Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawingThe illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated hereThe mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairsThe range opened is fully disclosed to those skilled in the art.
In order to clearly describe the structure of transportation system, the term " distal end " limited in text, " proximal end ", these termsFor interventional medical device field common terminology.Specifically, " distal end " indicates one end in surgical procedure far from operator, it is " closeEnd " indicates one end that proximal operator is depended in surgical procedure.
The present invention will describe design of the invention by embodiment, but the invention is not limited to these embodiments and itsDesign.
First embodiment:
The fixation device of Fig. 1 to Fig. 7 and Figure 25, first embodiment of the invention insertion type medical instrument provided is be provided,Including fixation kit 12 and equipped with the gasket 11 of through-hole 111, gasket 11 fits in the outer surface of internal organs 3, and fixation kit 12 is with canThe mode of disassembly is connect with gasket 11, and fixation kit 12 is internally provided with bracing wire channel, the bracing wire 2 of insertion type medical instrument 5Inside through internal organs 3 is pierced by and sequentially passes through through-hole 111 and bracing wire channel, and the length of bracing wire 2 can when bracing wire channel is openedIt adjusts, and the length of bracing wire 2 is fixed when the closing of bracing wire channel.Specifically, gasket 11 is laminated structure, and there are two width for toolFace, through-hole 111 fit through the setting of two breadths, the outer surface of one of breadth and internal organs 3, through-hole 111 and bracing wire 2 fromThe heart is arranged in the position that is pierced by internal organs 3, and fixation kit 12 is located on another breadth, one end of bracing wire 2 by connector 4 andInsertion type medical instrument 5 connects, and the other end sequentially passes through internal organs 3, through-hole 111 and fixation kit 12, when bracing wire 2 passes through fixed groupWhen part 12, it is internally provided with internal structure face in fixation kit 12, bracing wire channel, internal structure are formed by internal structure faceFace has removable end face, and the mobile realization bracing wire channel by moving end face opens or closes, when bracing wire channel is inWhen opening state, bracing wire 2 can move in bracing wire channel, to realize the adjustment to 5 position of insertion type medical instrument, work as interventionAfter formula medical instrument 5 reaches designated position, bracing wire channel is closed in removable end face, and bracing wire at this time 2 is compressed in movable terminalBetween face and bracing wire channel, removable end face and bracing wire channel provide powerful frictional force to bracing wire 2, to realize to bracing wire2 position restriction, the i.e. length of bracing wire 2 limit.Made by the way that removable end face is arranged in bracing wire channel when bracing wire 2 is fixedIncrease with the contact area of bracing wire 2, to effectively increase the fixing intensity of bracing wire 2, long-time is avoided to loosen using bracing wire 2,The phenomenon that falling off, and then ensure that the position of insertion type medical instrument 5, guarantee the therapeutic effect of patient and using safe.
It is further understood that, through-hole 111 opens up that direction is identical as the axial direction of gasket 11, and through-hole 111 is provided with gasket11 center, the diameter of through-hole 111 is greater than the diameter of bracing wire 2, when bracing wire 2 is fixed, the appearance of gasket 11 and internal organs 3Face paste is closed, and bracing wire 2 is in through-hole 111, and gasket 11 is moved synchronously with the wriggling of internal organs 3 or beating, can be had with this configurationEffect avoids gasket 11 in use process from separating with 3 surface of internal organs, avoids the occurrence of alice phenomenon.
Further, the surface that gasket 11 is contacted with internal organs 3 is inner concave, the shape of inner concave and the outer surface of internal organs 3Shape be adapted, since the outer surface of internal organs 3 is generally arcwall face, set the end face that gasket 11 is contacted with internal organs 3 inConcave surface, when insertion type medical instrument 5 is fixed in fixed device 1, the inner concave is fixed to complete towards the surface of internal organs 3Afterwards, inner concave can be effectively bonded with the outer surface of internal organs 3, thus the stickiness both improved, effectively prevent becauseThe alice phenomenon of gasket 11 caused by wriggling or beat for internal organs 3, and then effectively carry out the position that bracing wire 2 is pierced by internal organs 3 closeEnvelope avoids the occurrence of the phenomenon that surfaces of leakage blood and gasket 11 and internal organs 3 rubs, reduces complication and organ surface bleedingThe case where.
It is to be appreciated that the shape of above-mentioned inner concave can be fitted according to the external surface shape of the internal organs 3 of concrete applicationWith manufacture, the fitting area of the outer surface of gasket 11 and internal organs 3 can be effectively improved by this kind of structure, thus guarantee to useEffect.
Further, surface (away from the end face of internal organs 3) of the gasket 11 far from internal organs 3 is convex globoidal, is deposited around internal organs 3In other internal organs, perhaps tissue due to these internal organs or organizes the state for being likely to be at wriggling or beating, between each otherThere is contact, by the way that convex globoidal is arranged, can effectively avoid gasket 11 to scratching caused by other internal organs or tissue orIt influences, to guarantee the safety that patient uses.
It should be pointed out that the edge of above-mentioned convex globoidal is passivated processing, i.e. convex globoidal and gasket 11 is contacted with internal organs 3End face between transition position carry out round corner treatment, so as to which the wind that gasket 11 scratches other internal organs or tissue is effectively reducedDanger, and then guarantee the safety that patient uses.
Further, the material of gasket 11 is any one in felt-cloth, silica gel and flexible high molecular material, due to internal organs3 be flexible tissue, and the material of gasket 11, can by using any one in felt-cloth, silica gel and flexible high molecular materialThe intensity that contact with internal organs 3 of gasket 11 is improved, 11 positional shift of gasket or caused blood or the internal organs 3 of leaking of alice are avoided the occurrence ofThe case where surface is frayed, meanwhile, it is capable to the biocompatibility of gasket 11 Yu internal organs 3 be effectively improved, to reduce appearanceThe probability of rejection, and then improve the safety that patient uses.
It is to be appreciated that above-mentioned flexible high molecular material refers to natural or synthetic material, meanwhile, have goodGood flexibility and biocompatibility, can be used for human body interventional therapy in addition, nontoxic, harmless, here, the application no longer carries out oneOne enumerates.
Specifically, through-hole 111 is formed with holding tank 1111 far from the side of internal organs 3, opens up on the side wall of holding tank 1111There is card slot 11111, fixation kit 12 is installed in holding tank 1111, also, is located at the snap ring card of the outer surface of fixation kit 12It is connected in card slot 11111.Through-hole 111 is shoulder hole structure, and the diameter close to the outer surface side of internal organs 3 is less than far from internal organs 3Outer surface side diameter, wherein the big end of through-hole 111 is holding tank 1111, the circumferential side for being provided with big end of card slot 11111On wall, the diameter of card slot 11111 is greater than the diameter of holding tank 1111.The outer surface of fixation kit 12 is provided with snap ring, works as fixationWhen component 12 is installed, fixation kit 12 is mounted in holding tank 1111, and the snap ring of 12 outer surface of fixation kit is arrangedIn card slot 11111, limit by card slot 11111 to snap ring, to realize the installation and fixation of fixation kit 12.Above-mentioned knotStructure is simple, can be effectively reduced the cost of manufacture, meanwhile, the bonding strength between fixation kit 12 and gasket 11 is high, Neng GouyouEffect guarantees the stability in use process.
It is to be appreciated that above-mentioned gasket 11 is that flexible structure makes gasket 11 by external force when installing fixation kit 12On holding tank 1111 occur elastic deformation, so that the diameter of holding tank 1111 be made to increase, then fixation kit 12 is mounted on appearanceIt receives in slot 1111, releases external force, gasket 11 restores elastic deformation, and the diameter of holding tank 1111 resets, to realize fixation kitQuick assembling between 12 and gasket 11.
It should be pointed out that the quantity of above-mentioned card slot 11111 can be to be multiple, each card slot 11111 is along holding tankThe quantity needs of 1111 short transverse interval setting, certain card slot 11111 are set according to the height of fixation kit 12.GuDetermining the fixed form between component 12 and gasket 11 is realized by the elastic deformation of gasket 11, since fixation kit 12 passes throughBracing wire 2 is connect with insertion type medical instrument 5, is used for a long time, and elastic deformation occurs for gasket 11, to cause fixation kit 12 looseIt is dynamic, fixed effect is influenced, the present embodiment preferred embodiment is two card slots 11111 of setting, by the way that two card slots 11111 are arranged,The bonding strength between fixation kit 12 and gasket 11 can be further increased, effectively avoids going out using fixation kit 12 for a long timeExisting loose phenomenon to effectively improve the fixing intensity of fixation kit 12, and then guarantees the safety that patient uses.
Specifically, fixation kit 12 includes the first fixing seat 1202 and sunk screw 1201, is opened in the first fixing seat 1202Equipped with the counter sink 12021 being connected to through-hole 111, the first via hole to communicate with each other is offered on sunk screw 1201 respectively12012 and connecting hole 12013, the first via hole 12012 is coaxially disposed with sunk screw 1201, one end of connecting hole 12013 and theThe connection of one via hole 12012, the other end of connecting hole 12013 are connected to the corner of 1201 lateral surface of sunk screw, counter sink12021, the first via hole 12012 and connecting hole 12013 form bracing wire channel；The one end of bracing wire 2 far from insertion type medical instrument 5(i.e. proximal end) via through holes 111, counter sink 12021, the first via hole 12012 and connecting hole 12013 are pierced by, and sunk screw 1201 is oppositeWhen counter sink 12021 screws, bracing wire 2 is limited between the countersunk head face of sunk screw 1201 and the countersunk head face of counter sink 12021.
More particularly, the counter sink 12021 being provided in the first fixing seat 1202 has two sections, wherein one section is cylinderSection, the other end are frustum section, and the small end and cylindrical section of frustum section are coaxially connected, and cylindrical section is connected to through-hole 111, in cylindrical sectionScrew thread is opened up on side wall, the outer profile of sunk screw 1201 is adapted with the Internal periphery of counter sink 12021, sunk screw 1201The outer surface of cylindrical section offers external screw thread, and the first via hole 12012 is located at the center of sunk screw 1201, connecting hole12013 one end is connected to the first via hole 12012, and the other end is connected to the outer surface of sunk screw 1201, and connecting hole12013 are located at the corner of the outer surface of sunk screw 1201, the corner with the communicating position of the outer surface of sunk screw 1201Place is the cylindrical section of sunk screw 1201 and the junction of 1201 frustum section of sunk screw.In use, bracing wire 2 is successively wornEnter through-hole 111, the lower part of counter sink 12021, the first via hole 12012, connecting hole 12013, then the top through counter sink 12021 to wearOut, that is to say, that needed in counter sink 12021 across sunk screw 1201, in fixation kit by the bracing wire 2 of through-hole 111In 12, lower part (close to the side of through-hole 111), the first via hole 12012, connecting hole 12013 and the counter sink of counter sink 12021Bracing wire channel, when needing to adjust bracing wire position, sunk screw 1201 are formed at 12021 top (side far from through-hole 111)It is threadedly engaged with counter sink 12021, the countersunk head face (inclined-plane) of sunk screw 1201 and the countersunk head face of counter sink 12021 are (oblique at this timeFace) there are gap, connecting hole 12013 is located at the aperture of 1201 outer surface of sunk screw and the gap penetrates through, at this point, bracing wire 2 is notIt is limited, the adjustment of length can be carried out, so as to adjust the position of insertion type medical instrument 5, after the adjustment of position, countersunk headScrew 1201 screws, at this point, the countersunk head face of sunk screw 1201 and the countersunk head face of counter sink 12021 fit, connecting hole 12013The cylindrical section (part for opening up screw thread) of counter sink 12021 is in positioned at the aperture of 1201 outer surface of sunk screw, due to countersunk headScrew 1201 screws extruding so that a part of ontology of bracing wire 2 be connected to respectively connecting hole 12013 be located at sunk screwAt the aperture of 1201 outer surfaces between the screw thread of counter sink 12021 and the countersunk head face of sunk screw 1201 and counter sink 12021Countersunk head face between.When needing to adjust bracing wire length again, sunk screw 1201 is unscrewed, so that connecting hole12013 are located at the countersunk head face of the countersunk head face in the aperture of 1201 outer surface of sunk screw and sunk screw 1201 and counter sink 12021Between the gap connection that is formed, the limit of bracing wire at this time 2 releases, and the adjustment of length can be carried out, when adjustment is finished sunk screw1201 lockings can be realized bracing wire 2 and fix again.
The small volume of above-mentioned fixed device 1, structure are simpler, meanwhile, operation is simpler, can be rapidly completed to bracing wire2 fixation and adjustment, furthermore, fixation kit 12 is larger with the contact area of bracing wire 2 when limiting to bracing wire 2, avoids bracing wire2 by the solid failure for undermining bracing wire 2, guarantee patient using safe, in addition, the compact structure of fixed device 1, with internal organsStickiness is good, the generation that bracing wire 2 is pierced by position leakage blood and pedestal frictional tissue generates the situations such as bleeding is avoided, so that reduction is concurrentThe probability that disease and rejection occur.
It should be pointed out that above-mentioned connecting hole 12013 is that opposite first via hole 12012 is obliquely installed, connecting hole 12013It is higher than the aperture that connecting hole 12013 is connected to the first via hole 12012 in the aperture of 1201 outer surface of sunk screw, passes through the knotStructure can effectively ensure that smoothness of the bracing wire 2 during length adjustment, clamping stagnation be avoided the occurrence of, to mentionThe convenience that height uses.
Specifically, counter sink 12021 and through-hole 111 are coaxially disposed, since the first via hole 12012 and sunk screw 1201 are sameAxis setting, therefore, when sunk screw 1201 and the cooperation of counter sink 12021, through-hole 111, counter sink 12021 and the first via hole12012 are coaxially disposed, and when bracing wire 2 is fixed, gasket 11 is bonded with the surface of internal organs 3, and bracing wire 2 is in through-hole 111, countersunk headIn hole 12021 and the first via hole 12012, gasket 11 is moved synchronously with the wriggling of internal organs 3 or beating, and the structure stress is uniform, energyIt is enough that gasket 11 in use process is effectively avoided to separate with organ surface, avoid the occurrence of alice phenomenon.
Specifically, the first groove 12011 is offered on end face of the sunk screw 1201 far from through-hole 111, operates 6 energy of instrumentIt is enough to enable the relatively described counter sink 12021 of sunk screw 1201 to screw or unscrew with the cooperation of the first groove 12011.Work as needsWhen adjusting the length or fixed bracing wire length of bracing wire 2, the working end for operating instrument 6 is inserted into the first groove 12011, is passed throughRotation is so that sunk screw 1201 is unscrewed or screwed, this kind of structure is simple, manufacturing cost is low, meanwhile, operate convenient, Neng GouyouEffect shortens operating time, reduces the pain of patient.
It is to be appreciated that the end face that above-mentioned sunk screw 1201 opens up the first groove 12011 is sunk screw 1201Top surface (end face far from through-hole 111), when sunk screw 1201 screws, the top surface of sunk screw 1201 is lower than counter sink12021 aperture, that is to say, that when sunk screw 1201 is limited bracing wire 2, sunk screw 1201 has the first groove12011 end face indent is to the surface of 11 convex globoidal of gasket hereinafter, can effectively avoid sunk screw 1201 right with this configurationThe influence of other internal organs and tissue improves the safety that patient uses.
It should be pointed out that the notch shape regular polygon or other polymorphic structures of above-mentioned first groove 12011, operationThe working end of instrument 6 has shape compatible with the notch shape of the first groove 12011, grasps to sunk screw 1201When making, the working end for operating instrument 6 is inserted into inside the first groove 12011, to realize to the effective of sunk screw 1201Operation, and then guarantee effective implementation that bracing wire length adjustment and length are fixed.
Meanwhile 6 the present embodiment preferred embodiment of aforesaid operations instrument is handle, which includes lever 61, linking arm 62With work head 63, wherein linking arm 62 is plasticity material, and one end of linking arm 62 is connect with lever 61, linking arm 62The other end is connect with work head 63, is provided in the front end (working end) of work head 63 compatible convex with the first groove 12011Block 632 drives lever 61 when needing to screw or unscrew sunk screw 1201, so that convex block 632 is inserted into the first grooveIn 12011, to realize the operation to sunk screw 1201, bracing wire hole 631 is in addition offered in work head 63, the bracing wire hole631 aperture is provided with convex block 632 towards the end face of the first groove 12011, another aperture in bracing wire hole 631 is provided withOn the outer wall of work head 63, that is to say, that bracing wire hole 631 is that the hole of bending structure needs to draw when operating bracing wire 2Line 2 passes through bracing wire hole 631, i.e., penetrates from the aperture for being located at 632 end face of convex block, is pierced by from the aperture being located on outer wall, by thisKind structure, can be realized during adjusting bracing wire 2, avoids insertion type medical instrument 5 due to 3 internal blood pressure of internal organs etc.The case where reason drives bracing wire 2 to fall off from fixed device 1, avoids the generation of malpractice, improves the peace that patient usesQuan Xing.
Second embodiment:
The fixation of Fig. 1, Fig. 8 to Figure 12 and Figure 25, second embodiment of the invention insertion type medical instrument provided are be providedDevice, gasket 11 and fixation kit 12 including being equipped with through-hole 111, gasket 11 fit in the outer surface of internal organs 3, fixation kit 12It is removably connect with gasket 11, fixation kit 12 is internally provided with bracing wire channel, for drawing insertion type medical treatmentThe bracing wire 2 of instrument 5 is pierced by through the inside of internal organs 3 and sequentially passes through through-hole 111 and bracing wire channel, and bracing wire channel opens or closesWhen, the length of bracing wire 2 is adjustable or length is fixed.
The difference of second embodiment and first embodiment explained below, for second embodiment and first embodimentDetails are not described herein for same or similar place.
Specifically, fixation kit 12 includes the second fixing seat 1212 and fixing screws 1211, is opened in the second fixing seat 1212Equipped with the bellmouth 12121 being connected to through-hole 111, offer threading hole 12113 in fixing screws 1211, threading hole 12113 withFixing screws 1211 are coaxially disposed, and fixing screws 1211 are tapered end towards one end of through-hole 111, and tapered end is circumferentially spacedEquipped with multiple expansion joints 12112, each expansion joint 12112 is connected to threading hole 12113 respectively, bellmouth 12121 and threading hole12113 form bracing wire channel；One end via through holes 111, bellmouth 12121 and threading hole of the bracing wire 2 far from insertion type medical instrument 512113 are pierced by, and when fixing screws 1211 are screwed with respect to bellmouth 12121, the gap at each expansion joint 12112 is reduced such that drawingLine 2 is limited in threading hole 12113 towards at the port of through-hole 111.
More specifically, above-mentioned bellmouth 12121 is coaxially provided in the second fixing seat 1212, the bellmouth 12121 packetStraightway and conical section are included, the big end of conical section is connect with straightway, and the small end of conical section is connected to through-hole 111 and the two diameterIt is equal, screw thread is offered on the inner wall of the straightway of bellmouth 12121, fixing screws 1211 include straight end and tapered end,The outer surface of straight end is provided with screw thread, and fixing screws 1211 and bellmouth 12121 are threadedly engaged the connection for realizing the two, threading hole12113 are located at the center of fixing screws 1211, and one end is provided with tapered end towards outside towards through-hole 111, the other endMultiple expansion joints 12112 be connected to threading hole 12113, that is to say, that tapered end is divided into multiple by multiple expansion joints 12112Part, the diameter of telescopic end towards the end face of through-hole 111 are greater than the minimum diameter of the conical section of bellmouth 12121.When needs pairWhen the progress length of bracing wire 2 is fixed, when fixing screws 1211 are constantly screwed with respect to bellmouth 12121, tapered end is divided eachUnder the extruding of conical section inner wall elastic deformation occurs for part, draws close to the direction close to center (radial direction of threading hole 12113),Gap between each expansion joint 12112 becomes smaller, and the orifice diameter that threading hole 12113 is located at tapered end becomes smaller, since bracing wire 2 passes throughThe inside for crossing threading hole 12113, with constantly screwing for fixing screws 1211, the bracing wire 2 in threading hole 12113 is extrudedIt is limited in the orifice position that threading hole 12113 is located at tapered end, to realize effective limit of bracing wire 2；When need to bracing wire 2 intoWhen row length adjustment, fixing screws 1211 are unscrewed with respect to bellmouth 12121, and the divided various pieces in tapered end are by conical sectionThe pressure of inner wall reduces, and restores elastic deformation, the divided various pieces in tapered end are moved to deep direction, so that wearingThe orifice diameter that string holes 12113 is located at tapered end is restored to original size, releases the limit to bracing wire 2, at this time so as to realityNow to the adjustment of bracing wire length, after adjustment, above-mentioned bracing wire length fixing step is repeated.
It is to be appreciated that the material of above-mentioned fixing screws 1211 is that elastically-deformable material and nontoxic, harmless can occur,Can for metal may be it is nonmetallic, for the type of material, the application is no longer repeated.
It should be pointed out that above-mentioned each expansion joint 12112 length direction with the length direction one of fixing screws 1211It causes, each expansion joint 12112 is equally circumferentially spaced along 1211 tapered end of fixing screws, in guarantee 2 fixing intensity of bracing wire and surelyOn the basis of qualitatively, the quantity at above-mentioned expansion joint 12112 is had according to the material of fixing screws 1211 and the diameter of tapered endBody setting, then this, the application no longer repeats.
Specifically, bellmouth 12121 and through-hole 111 are coaxially disposed, since threading hole 12113 and fixing screws 1211 are coaxialSetting, therefore, when fixing screws 1211 and the cooperation of threading hole 12113, through-hole 111, bellmouth 12121 and threading hole 12113It is coaxially disposed, when bracing wire 2 is fixed, gasket 11 is bonded with the surface of internal organs 3, and bracing wire 2 is in through-hole 111, bellmouth12121 and threading hole 12113 in, gasket 11 is moved synchronously with the wriggling of internal organs 3 or beating, and the structure stress is uniform, Neng GouyouEffect avoids gasket 11 in use process from separating with organ surface, avoids the occurrence of alice phenomenon.
Specifically, offer the second groove 12111 on end face of the fixing screws 1211 far from through-hole 111, operation instrument 6 withSecond groove 12111 cooperates so that fixing screws 1211 are screwed or unscrewed with respect to bellmouth 12121.When needing to adjust bracing wire 2When length or fixed bracing wire length, the working end for operating instrument 6 is inserted into the second groove 12111, it is by rotation so that heavyHead screw 1201 is unscrewed or is screwed, this kind of structure is simple, manufacturing cost is low, meanwhile, it is convenient to operate, and can effectively shorten operationTime reduces the pain of patient.
It is to be appreciated that the end face that above-mentioned fixing screws 1211 open up the second groove 12111 is fixing screws 1211Top surface (end face far from through-hole 111), when fixing screws 1211 screw, the top surface of fixing screws 1211 is lower than bellmouth12121 aperture, that is to say, that when fixing screws 1211 are limited bracing wire 2, fixing screws 1211 have the second groove12111 end face indent is to the surface of 11 convex globoidal of gasket hereinafter, can effectively avoid fixing screws 1211 right with this configurationThe influence of other internal organs or tissue improves the safety that patient uses.
It should be pointed out that the notch shape regular polygon or other polymorphic structures of above-mentioned second groove 12111, operationThe working end of instrument 6 has shape compatible with the notch shape of the second groove 12111, grasps to fixing screws 1211When making, the working end for operating instrument 6 is inserted into inside the second groove 12111, to realize to the effective of fixing screws 1211Operation, and then guarantee effective implementation that bracing wire length adjustment and length are fixed.
Operation instrument 6 in the present embodiment is similar with the operation instrument in first embodiment, and details are not described herein.
3rd embodiment:
The fixation of Fig. 1, Figure 13 to Figure 18 and Figure 25, third embodiment of the invention insertion type medical instrument provided are be providedDevice, gasket 11 and fixation kit 12 including being equipped with through-hole 111, gasket 11 fit in the outer surface of internal organs 3, fixation kit 12It is removably connect with gasket 11, fixation kit 12 is internally provided with bracing wire channel, the drawing of insertion type medical instrument 5Line 2 is pierced by through the inside of internal organs 3 and sequentially passes through through-hole 111 and bracing wire channel, when bracing wire channel opens or closes, bracing wire 2Length it is adjustable or length is fixed.
The difference of 3rd embodiment and first embodiment explained below, for 3rd embodiment and first embodimentDetails are not described herein for same or similar place.
Specifically, the first mounting groove is offered on the inner wall of through-hole 111, fixation kit 12 is installed in the first mounting groove,First mounting groove is vertically connected with the first operating walk way 1122, and two ports of the first operating walk way 1122 are provided with convex arc respectivelyOn face, the through-hole 111 above the first mounting groove is the first waist hole 1121, the length direction of the first waist hole 1121 and the first behaviourThe length direction for making channel 1122 is consistent.
More specifically, the first mounting groove and through-hole 111 are coaxially disposed, and the first mounting groove is located at the height side of through-hole 111On upward a certain position, through-hole 111 is divided into two parts by the first mounting groove, wherein proximal end (is located on the first mounting grooveThe through-hole 111 of side) it can be waist-hole type shape, distal end (through-hole 111 below the first mounting groove) is circular hole, and the first operation is logicalThe length direction in road 1122 is vertical with the length direction of through-hole 111, and the first operating walk way 1122 enters through the side of convex globoidal, diameterTo after passing through gasket 11, the other side through convex globoidal is pierced by, meanwhile, the first operating walk way 1122 is connected to the first mounting groove, theOne operating walk way 1122 is rectangle along the section of its width direction, and the width of the first operating walk way 1122 is less than the first mounting grooveDiameter, the length direction of the first operating walk way 1122 are consistent with the length direction of the first waist hole 1121.It is installed in fixation kit 12When, make gasket 11 that elastic deformation occur by external force, at this point, the width of the first operating walk way 1122 and the first mounting groove is straightDiameter increases, and fixation kit 12 is inserted into the first mounting groove through one end of the first operating walk way 1122, releases external force, gasket 11 is extensiveComplex elasticity deformation, the first mounting groove are wrapped in the outer surface of fixation kit 12, thus realize the fixation of fixation kit 12, meanwhile,The operating side of fixation kit 12 is arranged in the position of the first operating walk way 1122, that the locking end of fixation kit 12 is arrangedIn one waist hole 1121.Above structure is simple, can be effectively reduced the cost of manufacture, meanwhile, it is capable to realize fixation kit 12 and padQuick assembling between piece 11, improves the efficiency of installation, in addition, the bonding strength between fixation kit 12 and gasket 11 is high, energyThe stability in use process is enough effectively ensured.
It should be pointed out that the outer surface of above-mentioned fixation kit 12 is cylindrical structure, the shape of the first mounting groove and solidThe external surface shape for determining component 12 is adapted, meanwhile, the diameter of the first mounting groove is slightly less than the straight of the outer surface of fixation kit 12Diameter, when fixation kit 12 being enabled to be mounted in the first mounting groove with this configuration, the first mounting groove can be to fixation kit12 realize fixation, to improve the fixing intensity of fixation kit 12, and then guarantee the stability that bracing wire 2 limits, and improving patient makesSafety.
Specifically, fixation kit 12 includes offering the first base 1223 of the first slot 12231 and with lock-screw1222 the first bolt 1224, first base 1223 are connected in the first mounting groove, and the first slot 12231 is connected to through-hole 111,The insert port of first slot 12231 is connected to the first operating walk way 1122, and the length direction and first of the first slot 12231The length direction of operating walk way 1122 is consistent, and the first bolt 1224 is movably disposed in the first slot 12231, theBracing wire channel is formed between one slot 12231 and the first bolt 1224；The one end of bracing wire 2 far from insertion type medical instrument 5 is successivelyThrough the through-hole 111, the first slot 12231 and the through-hole above the first slot 12231 that are located at 12231 lower section of the first slot111 are pierced by, and the free end of the first bolt 1224 and the bottom surface of the first slot 12231 lean, and lock-screw 1222 screws, andLock-screw 1222 protrudes from the surface of the first bolt 1224, and bracing wire 2 is limited in the free end and first of the first bolt 1224Between the bottom surface of slot 12231.
More particularly, first base 1223 is mounted in the first mounting groove, the entrance of the first slot 12231 and the first behaviourThe side for making channel 1122 is connected, the length direction one of the length direction of the first slot 12231 and the first operating walk way 1122It causes, by operating the operating side of the first bolt 1224 in the first operating walk way 1122, may make the first bolt 1224 opposite theOne slot 12231 is mobile, meanwhile, threaded hole is offered on the first bolt 1224, which runs through 1224 ontology of the first bolt,Threaded hole is vertical with the opposite moving direction of first slot 12231 of the first bolt 1224, when the first bolt 1224 is plugged on firstWhen in slot 12231, lock-screw 1222 is located in the first waist hole 1121, and the length of the first waist hole 1121 is less than the first bolt1224 stroke in the first slot 12231, when the free end of the first bolt 1224 is resisted against on the bottom surface of the first slot 12231When, lock-screw 1222 and the side wall of one end of the first waist hole 1121 lean, when the free end and first of the first bolt 1224When the distance between bottom surface of slot 12231 is maximum (the first bolt 1224 is not separated with the first slot 12231), lock-screw1222 lean with the side wall of the other end of the first waist hole 1121, can effectively control the first bolt by lock-screw 12221224 impulse stroke, to improve the accuracy used.
When in use, bracing wire 2 sequentially passes through the top of the lower part of through-hole 111, the first slot 12231 and through-hole 111, when needWhen being adjusted to the length of bracing wire 2, the free end of the first bolt 1224 is to separate shape with the bottom surface of the first slot 12231State；When bracing wire 2 needs to be fixed, drive the first bolt 1224 to the bottom surface direction of the first slot 12231 along operating walk wayMovement, so that the free end of the first bolt 1224 is resisted against on the bottom surface of the first slot 12231, at this point, bracing wire 2 is crushed on firstBetween the end face of the free end of bolt 1224 and the bottom end face of the first slot 12231, at this point, threaded hole is towards through-hole 111Port enters inside through-hole 111, drives lock-screw 1222 by operation instrument 6, lock-screw 1222 rotates, due to locking screwThe length of nail 1222 is greater than the length of threaded hole, and with constantly screwing, the free end of lock-screw 1222 protrudes from the first bolt1224 surface, and enter in through-hole 111, since a part of ontology of lock-screw 1222 enters through-hole 111, a part is originallyThe outer surface of body and the inner wall of through-hole 111 lean, and the position of opposite first slot 12231 of the first bolt 1224 is limited at this timeSystem, to realize the limit to bracing wire 2.When needing the length to bracing wire 2 to be adjusted, pass through the operation driving locking of instrument 6Screw 1222 unscrews, and when the free end of lock-screw 1222 enters the first 1224 inside of bolt out of through-hole 111, first is insertedThe free end of pin 1224 is separated with the bottom surface of the first slot 12231, so that the adjustment of bracing wire 2 is realized, when the adjustment of bracing wire 2 finishesAfterwards, above-mentioned locking process is repeated, realizes the fixation of bracing wire 2 again.
It should be pointed out that the bottom surface of the first slot 12231 is bulge-structure, and it is provided in the highest point of bulge-structureFirst limiting slot, first limiting slot is vertical with the length direction of the first slot 12231, and the free end of the first bolt 1224 is interiorRecessed structure, the concave inward structure are adapted with bulge-structure, and the minimum point of concave inward structure is provided with the second limiting slot, the second limitSlot is vertical with the length direction of the first bolt 1224, when bracing wire 2 needs to be fixed, the free end and first of the first bolt 1224The bottom surface of slot 12231 leans, at this point, concave inward structure fits with bulge-structure, the first limiting slot and the second limit flute profileAt a complete limit hole, the diameter of the limit hole is less than the diameter of bracing wire 2, at this point, bracing wire 2 is connected to the limit holeIt is interior, extruding limit is carried out to bracing wire 2 simultaneously by the inner wall of the first limiting slot and the inner wall of the second limiting slot, to realize bracing wire2 effective fixation, and with good stability and intensity.
Meanwhile third groove is offered on the top surface of lock-screw 1222 (end face far from the first bolt 1224), it graspsMake instrument 6 and third groove to cooperate so that 1222 opposite thread hole of lock-screw screws or unscrews, this kind of structure be simple, manufacture atThis is low, and it is convenient to operate, and can effectively shorten time of operation, reduces the pain of patient, lock-screw 1222 opens up third grooveEnd face be always below the aperture of the first waist hole 1121, that is to say, that lock-screw 1222 is constantly in the first waist hole 1121Inside can effectively avoid influence of the lock-screw 1222 to other tissues with this configuration, improve the safety that patient uses.
The notch shape of above-mentioned third groove is regular polygon or other polymorphic structures, the working end tool of operation instrument 6There is shape compatible with the notch shape of third groove, when operating to lock-screw 1222, the work of instrument 6 will be operatedThird inside grooves are inserted into as end, to realize effective operation to lock-screw 1222, and then guarantee bracing wire length adjustmentAnd effective implementation that length is fixed.
Operation instrument 6 in the present embodiment is similar with the operation instrument in first embodiment, and details are not described herein.
Specifically, the inlet of the first slot 12231 is inner shrinking structure 12241, and the two sidewalls of the first bolt 1224 are distinguishedFor concave inward structure, inner shrinking structure 12241 is correspondingly arranged in concave inward structure, and the length of concave inward structure is equal to the first bolt 1224Impulse stroke, above-mentioned inner shrinking structure 12241 is located at the entrance of the first slot 12231, by the identical block of two shape and sizeIt is formed, i.e. the entrance that the first slot 12231 is arranged in two blocks, two block interval settings, spacing distance between the twoLess than the width of the first slot 12231, (the first slot 12231 is respectively facing the first slot to the two side walls of the first bolt 122412231 two side walls) on be respectively formed concave inward structure, i.e., opened up on a side wall of the first bolt 1,224 first rectangle lackMouthful, the second rectangular notch, the shape of first rectangular notch and the second rectangular notch are opened up on another side wall of the first bolt 1224Shape is consistent with size, and first rectangular notch is corresponding with the position of the second rectangular notch, the length direction of first rectangular notchIt is consistent with the length direction of the first bolt 1224 with the length direction of the second rectangular notch, the bottom end face of first rectangular notchThe distance between bottom end face to the second rectangular notch is slightly less than the spacing distance between two blocks, when the first bolt 1224When being assembled with the first slot 12231, one of block is arranged in first rectangular notch, another block is arrangedIn the second rectangular notch, when the first bolt 1224 is mobile relative to the first slot 12231, two blocks are respectively with respect to the first squareV notch v and the sliding of the second rectangular notch.
Pass through above structure, while guaranteeing that the first bolt 1224 can be mobile relative to the first slot 12231, Neng GouyouEffect limits the first bolt 1224, avoids the first bolt 1224 from falling off generation the case where influencing patient health, to guaranteePatient using safe.
In a preferred solution, fixation kit 12 further includes the first top plate 1221, is offered on the first top plate 1221Second waist hole 12211, the second waist hole 12211 is consistent with the shape and size of the first waist hole 1121, the first top plate 1221 and firstThe top surface of pedestal 1223 removably connects, and the second waist hole 12211 is correspondingly arranged with the first waist hole 1121, lock-screw1222 are movably disposed in the second waist hole 12211.When installation, the first top plate 1221 is removably setIt sets on the top surface (end face of the side far from through-hole 111) of first base 1223, so that the hole location of the second waist hole 12211 and theThe hole location of one waist hole 1121 is corresponding, can be realized (inserting with first in vertical direction to the first bolt 1224 with this configurationThe perpendicular direction of 1224 moving direction of pin) on limit, so that effectively avoiding first bolt 1224 from loosening influences bracing wire 2 and consolidatesDetermine effect, and then guarantees the safety that patient uses.
It should be pointed out that the first slot 12231 is connected to by First Transition hole 12232 with through-hole 111, First Transition hole12232 are provided on the side of the first slot 12231, and the side is parallel with the bottom surface of the first operating walk way 1122, First TransitionHole 12232 and through-hole 111 are coaxially disposed, and the diameter of the two is identical, can be further realized by this kind of structure and be inserted to first1224 limit in the vertical direction of pin enables the first bolt 1224 to be effectively limited in the first slot 12231, to protectDemonstrate,prove the stability of the first bolt 1224, and then improve the fixing intensity of bracing wire 2, guarantee patient using safe.
In another preferred embodiment, it further includes bottom plate that fixation kit 12, which includes not only the first top plate 1221,1225, pilot hole 12251 is offered on bottom plate 1225, and bottom plate 1225 and the bottom surface of first base 1223 removably connectIt connecing, pilot hole 12251 is connected to through-hole 111 with the first slot 12231, when bracing wire 2 is limited, the freedom of lock-screw 1222In end insertion pilot hole 12251.The bottom surface (towards the end face of through-hole 111) of bottom plate 1225 and first base 1223 is with dismountableMode connects, and pilot hole 12251 and through-hole 111 are coaxially disposed, and the diameter of the two is identical, respectively by the first top plate 1221 and bottomPlate 1225 is connect with first base 1223, the first top plate 1221 and bottom plate 1225 jointly to the vertical direction of the first bolt 1224 intoRow limit, enables the first bolt 1224 to be effectively limited in the first slot 12231, to guarantee the first bolt 1224Stability, so improve bracing wire 2 fixing intensity, guarantee patient using safe.
Fourth embodiment:
The fixation device of Fig. 1, Figure 19 to Figure 24, fourth embodiment of the invention insertion type medical instrument provided are be provided,Gasket 11 and fixation kit 12 including being equipped with through-hole 111, gasket 11 fit in the outer surface of internal organs 3, and fixation kit 12 is with canThe mode of disassembly is connect with gasket 11, and fixation kit 12 is internally provided with bracing wire channel, for drawing insertion type medical instrument 5Bracing wire 2 through-hole 111 and bracing wire channel are pierced by and sequentially passed through through the inside of internal organs 3, when bracing wire channel opens or closes, drawThe length of line 2 is adjustable or length is fixed.
The difference of fourth embodiment and first embodiment explained below, for fourth embodiment and first embodimentDetails are not described herein for same or similar place.
Specifically, the second mounting groove is offered on the inner wall of through-hole 111, fixation kit 12 is installed in the second mounting groove,Second mounting groove is vertically connected with the second operating walk way 1131, and two ports of the second operating walk way 1131 are provided with convex arc respectivelyThe first long hole 1132 is offered on face, on convex globoidal, the first long hole 1132 is connected to the second mounting groove.
More specifically, the second mounting groove and through-hole 111 are coaxially disposed, and the second mounting groove is located at the height side of through-hole 111On upward a certain position, through-hole 111 is divided into two parts by the second mounting groove, i.e., top (outer surface far from internal organs 3Side) and lower part (close to the side of the outer surface of internal organs 3), the first long hole 1132 is located at the top of the second mounting groove, and firstThe depth direction of long hole 1132 is consistent with the length direction of through-hole 111, the length direction and through-hole 111 of the second operating walk way 1131Length direction it is vertical, the second operating walk way 1131 through convex globoidal side enter, after gasket 11, through convex globoidalThe other side is pierced by, meanwhile, the second operating walk way 1131 is connected to the second mounting groove, and the longitudinal profile of the second operating walk way 1131 isRectangle, the diameter of the width of the second operating walk way 1131 less than the second mounting groove.When fixation kit 12 is installed, made by external forceIt obtains gasket 11 and elastic deformation occurs, at this point, the diameter of the width of the second operating walk way 1131 and the second mounting groove increases, will fixComponent 12 is inserted into the second mounting groove through one end of the second operating walk way 1131, releases external force, and gasket 11 restores elastic deformation, theTwo mounting grooves are wrapped in the outer surface of fixation kit 12, thus realize the fixation of fixation kit 12, meanwhile, by fixation kit 12The position of the second operating walk way 1131 is arranged in operating side, in the first long hole 1132 that the locking end of fixation kit 12 is arranged.Above structure is simple, can be effectively reduced the cost of manufacture, meanwhile, it is capable to realize quick between fixation kit 12 and gasket 11Assembling, improves the efficiency of installation, in addition, the bonding strength between fixation kit 12 and gasket 11 is high, can effectively ensure that useStability in the process.
It should be pointed out that the outer surface of above-mentioned fixation kit 12 is cylindrical structure, the shape of the second mounting groove and solidThe external surface shape for determining component 12 is adapted, meanwhile, the diameter of the second mounting groove is slightly less than the straight of the outer surface of fixation kit 12Diameter, when fixation kit 12 being enabled to be mounted in the second mounting groove with this configuration, the second mounting groove can be to fixation kit12 realize fixation, to improve the fixing intensity of fixation kit 12, and then guarantee the stability that bracing wire 2 limits, and improving patient makesSafety.
Specifically, fixation kit 12 includes second base 1233, the second bolt 1232, spanner with limited block 123211235 and spring 1234, the second slot 12331 and elongated slot 12332 to communicate with each other, limited block are offered in second base 123312321 width is greater than the width of the second slot 12331 and 12332 connectivity part of elongated slot, and the second bolt 1232 is with moveable sideFormula is arranged in the second slot 12331, and the free end of the second bolt 1232 extends to elongated slot 12332, so that limited block 12321 is setIt sets in elongated slot 12332, spanner 1235 and spring 1234 are arranged in elongated slot 12332, and spanner 1235 extends to the first long holeIn 1132, the second slot 12331 is connected to through-hole 111, and the insert port of the second slot 12331 and the second operating walk way 1131 connectIt is logical, and the length direction of the second slot 12331 is consistent with the length direction of the second operating walk way 1131, the second slot 12331Bracing wire channel is formed between the second bolt 1232；The one end (i.e. proximal end) of bracing wire 2 far from insertion type medical instrument 5 is successively through positionThrough-hole 111, the second slot 12331 and the through-hole 111 above the second slot 12331 in 12331 lower section of the second slot are wornOut, the free end of the second bolt 1232 and the bottom surface of the second slot 12331 lean and limited block 12321 and spanner 1235 blockWhen connecing, bracing wire 2 is limited between the free end of the second bolt 1232 and the bottom surface of the second slot 12331.
More specifically, second base 1233 is arranged in the second mounting groove, the entrance of the second slot 12331 and the second operationThe side in channel 1131 is connected to, and elongated slot 12332 and the second slot 12331 interval are arranged, and the side wall of one end of elongated slot 12332 is logicalIt crosses rectangular channel to be connected to the bottom surface portions of the second slot 12331, that is to say, that the width of rectangular channel is less than the second slot12331 bottom width, the second bolt 1232 are polymorphic structure, free end (1232 direction of the second bolt of the second bolt 1232The end face of second slot 12331) it is stairstepping, including extension and clamping portion, wherein and extension extends by rectangular channelTo elongated slot 12332, the end of extension is arranged in limited block 12321, and the width of limited block 12321 is greater than the width of rectangular channelDegree, clamping portion are in the second slot 12331, and spanner 1235 and spring 1234 are arranged in elongated slot 12332, and spanner 1235 is closeBe arranged at the port of rectangular channel, one end of spring 1234 and the inner wall of elongated slot 12332 lean, the other end of spring 1234 andSpanner 1235 leans, and spanner 1235 is inclined-plane towards the end face of limited block 12321, and limited block 12321 is towards spanner 1235End face is also inclined-plane, in addition, limited block 12321 towards the end face of rectangular channel be plane.
Bracing wire 2 is successively located at the through-hole 111 of 12331 lower section of the second slot, the second slot 12331 and is located at the second slotThe through-hole 111 of 12331 tops is pierced by, and when needing that bracing wire 2 is fixed, the second bolt 1232 is to the bottom surface of the second slot 12331Direction movement, the opposite inclined-plane on spanner 1235 in inclined-plane on limited block 12321 moves, in the process of movement, spanner1235 move along the length direction of elongated slot 12332, at this point, spring 1234 is compressed, when the clamping portion and the of the first bolt 1224When the bottom surface of two slots 12331 leans, the inclined-plane on limited block 12321 is separated with the inclined-plane on spanner 1235, spring 1234Restore elastic deformation, return under the action of spring 1234 of spanner 1235, the plane on limited block 12321 is (towards rectangular channelEnd face) fit with the plane (plane is parallel with the plane on limited block 12321) being arranged on spanner 1235, at this point,Spanner 1235 fixes the position of limited block 12321, meanwhile, the position of the second bolt 1232 is fixed, and bracing wire 2 is crushed on clampingBetween portion and the bottom surface of the second slot 12331, to realize the fixation of bracing wire 2；When needing the length to bracing wire 2 to be adjustedWhen, driving spanner 1235 is moved along the length direction of elongated slot 12332, so that spring 1234 is compressed, it is flat on limited block 12321The direction of planar separation on face and spanner 1235, the second bolt 1232 to the bottom surface far from the second slot 12331 is mobile, bracing wire2 limit is released from, and after the completion of the length adjustment of bracing wire 2, above-mentioned 2 fixation procedure of bracing wire is repeated, to realize bracing wire 2 againSecondary limit.
It is to be appreciated that the width due to limited block 12321 is greater than the width of rectangular channel, when the releasing pair of spanner 1235When the limitation of limited block 12321, the cooperation of limited block 12321 and elongated slot 12332 can effectively avoid the second bolt 1232 and theThe separation of two slots 12331 improves the safety that patient uses to effectively avoid falling off for the second bolt 1232.
It should be pointed out that a part of ontology of spanner 1235 extends in the first long hole 1132, spanner 1235 is extended toOntology in first long hole 1132 is located at the aperture of the first long hole 1132 hereinafter, spanner 1235 extends in the first long hole 1132Ontology can be mobile relative to the length or width direction of the first long hole 1132, when needing to release the limitation of limited block 12321, warpThe first long hole 1132 manipulation spanner 1235 is crossed, so that limited block 12321 is separated with spanner 1235, and then realizes the second boltThe separation of 1232 opposite second slots 12331, this kind of structure be simple, manufacturing cost, can be realized miniaturization production, meanwhile, behaviourIt is convenient to make, and shortens the time of operation, reduces the pain of patient, in addition, the fixing intensity for bracing wire 2 is high, can effectively ensure thatThe position of bracing wire 2, so improve patient using safe.
Specifically, fixation kit 12 further includes the second top plate 1231, is spaced apart on the second top plate 1231 and is equipped with open-work 12312With the second long hole 12311, the second slot 12331 is connected to by open-work 12312 with through-hole 111, the second long hole 12311, the second long hole12311 is consistent with the shape and size of the first long hole 1132, and the top surface of the second top plate 1231 and second base is with dismountable sideFormula connection, the second long hole 12311 are correspondingly arranged with the first long hole 1132, and spanner 1235 extends to first through the second long hole 12311In long hole 1132.
Second top plate 1231 is removeably positioned to the top surface (side far from through-hole 111 of second baseEnd face) on, when installation, so that the hole location of the second long hole 12311 is corresponding with the hole location of the first long hole 1132, with this configuration canEnough limits on vertical direction (the perpendicular direction with 1232 moving direction of the second bolt) realized to the second bolt 1232,To effectively avoid the second bolt 1232 from loosening the fixed effect of influence bracing wire 2, and then guarantee the safety that patient uses.
It should be pointed out that the second slot 12331 is connected to by the second transitional pore 12333 with through-hole 111, the second transitional pore12333 are provided on the side of the second slot 12331, and the side is parallel with the second operating walk way 1122, the second transitional pore 12333It is coaxially disposed with through-hole 111, and the diameter of the two is identical, can be further realized by this kind of structure and be existed to the second bolt 1232The limit of vertical direction enables the second bolt 1232 to be effectively limited in the second slot 12331, to guarantee that second insertsThe stability of pin 1232, so improve bracing wire 2 fixing intensity, guarantee patient using safe.
Based on the various embodiments described above, fixation device and the prior art phase of insertion type medical instrument provided by the present inventionThan having the advantages that
1. operation is simpler, fixation and adjustment to bracing wire can be rapidly completed.
2. the contact area with bracing wire is larger, can be avoided bracing wire solid failure, guarantee patient using safe.
3. avoid bracing wire impaired, guarantee patient using safe.
4. compact structure, good with the stickiness of internal organs, avoiding bracing wire from being pierced by, blood is leaked in position and pedestal frictional tissue producesThe generation of the situations such as blood, to reduce the probability of complication and rejection appearance.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention intoRow limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and thereforeIt indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precludedA other feature, step, operation, component, assembly unit, and/or their combination.Method and step, process, the Yi Jicao of described in the textIt is not interpreted as that them is necessarily required to execute with described or explanation particular order, executes sequence unless explicitly stated otherwise.Also answerThe step of working as understanding, can be used additionally or alternatively.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be onlyFor a component, assembly unit, region, layer or section are distinguished with another component, assembly unit, region, layer or section.Unless up and downText is it is manifestly intended that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text notImply sequence or order.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claimSubject to enclosing.