Clamp device and apparatus for displaying for the Ni-based marmem tissue closure folder of titaniumTechnical field
A kind of clamp device and apparatus for displaying for tissue closure folder is the utility model is related to, more particularly to one kind uses titaniumThe clamp device and apparatus for displaying that tissue closure folder made of Ni-based shape memory alloy material uses.Tissue of the present utility model closesCo-clip, the excision for tissue perforation, anal fistula internal orifice, the closure of hemorrhage of digestive tract and polyp tissue.
Background technology
The tissue closer clinically used at present, it is as assistor using disposable alimentary canal closerTool, such as otch is coincide using stainless steel lag screws when doing anal fistula internal orifice closure, or anal fistula internal orifice entered using purse string suture methodRow closure.The device is invasive surgery apparatus, and patient will suffer exquisite pain, and stainless steel lag screws by prolonged stay in human bodyIt is interior, or even cause operative failure.
Therefore, applicant's utility model is a kind of to be used for the Ni-based marmem tissue closure folder of titanium, referring to Fig. 1-figure46, it makes use of the shape memory characteristic of titanium Ni based memory alloy and super-elasticity, less than design temperature or under external forceOpen, closed automatically after higher than design temperature or external force unloading, focus is carried out continuing Self-pressurizing agri to reach the mesh for the treatment of's.But the sterility requirements in the shape memory characteristic of titanium Ni based memory alloy closure folder, super-elasticity and surgical procedure, leadIt is caused to be difficult on the closure holder for be opened and be temporarily fixed at delivery device, and unloading external force makes it accurately be closed to focusPlace is also extremely not easy.Therefore, it is also desirable to a kind of press from both sides matching used clamp device and apparatus for displaying with closure.
Utility model content
The utility model first purpose is to provide one kind for the new Ni-based marmem tissue closure folder of titanium to perform the operationThe clamp device used in journey, closure folder easily can be opened and be temporarily fixed on the closure holder of delivery device by it.
The utility model second purpose is to provide one kind for the new Ni-based marmem tissue closure folder of titanium to perform the operationThe apparatus for displaying used in journey, it can be fixed the shape that the closure of opening is pressed from both sides temporarily, then according to the action of doctor,Quick and precisely by closure folder release.
Technical solution of the present utility model is：
For the clamp device of the Ni-based marmem tissue closure folder of titanium, it is characterized in that：Including clamping cone groupPart 40；Above-mentioned clamping cone component 40 includes clamping cylinder 41, clamping cone 43, the prism 42 being sequentially connected；Above-mentioned clamping postBody 41 is evenly equipped with multiple second guide channels 411 on circumference side；Multiple clamping cone grooves are evenly equipped with the above-mentioned conical surface of clamping cone 43431；Above-mentioned prism 42 includes the prism 421 of multiple circumference uniform distributions；The quantity of above-mentioned prism 421 and segmental arc 92 in closure folder 90Quantity is consistent and the cross sectional shape of the prism 42 and closure folder in space between segmental arc 92 match；Above-mentioned prism421 is corresponding with the position of the second guide channel 411；One end of each clamping cone groove 431 is located in two neighboring prism 421Between position, the other end is located at the centre position of two neighboring second guide channel；The external diameter of above-mentioned clamping cylinder 41 and delivery device 80The external diameter of closure holder 22 match；The position of above-mentioned second guide channel 411 and the first guide channel 221 on closure holder 22Correspond.
Above-mentioned clamping cone component 40 also includes the locating dowel 44 for being arranged on the outer face of clamping cylinder 41；Above-mentioned locating dowel 44 withThe through hole 21 of the closure holder 22 of delivery device 80 matches.
Positioning edge 441 is provided with above-mentioned locating dowel；The positioning edge 441 is logical with the closure holder 22 of delivery device 80Locating slot on hole 21 matches.
Also include clamping holder assembly 30；Above-mentioned clamping holder assembly 30 includes housing, multiple clamps 31 and from shell one endClamping post holes 32 that portion is inwardly set gradually, clamping taper hole 34, prism hole 33；Above-mentioned clamping taper hole 34 and the shape of clamping cone 43Match；Above-mentioned prism hole 33 matches with the shape of prism 42；Multiple circumference uniform distributions of clamp 31 are in the inner side of clamping post holes 32Face；The inner side edge outer end of each clamp is provided with latch 311；Above-mentioned clamp 31 is consistent with the quantity of the second guide channel 411, positionPut one-to-one corresponding；Above-mentioned latch 311 can block outer arc segments 91 corresponding on closure folder 90, so as to drive plane layout, dishShape is laid out or the closure of bowl-shape layout folder is moved on clamping cylinder 41 after prism 42, clamping cone, expands into tubularLayout.
Above-mentioned clamp device also includes swinging to holder assembly 50；It is above-mentioned swing to holder assembly 50 include it is stepped swing to post 52 andIt is enclosed on to swing to and swings to set 51 on post 52；The above-mentioned circumference side of post 52 of swinging to is provided with multiple and the second guide channel 411 quantityUnanimously, one-to-one 3rd guide channel 521 in position；It is above-mentioned that to swing to the external diameter of post 52 consistent with the external diameter of locating dowel 44；It is above-mentioned to swing toSet can be moved and internally resetted under spring effect along swinging to post under external force.
It is above-mentioned swing to holder assembly 50 also include being arranged on swing to the outer face of post 52 swing to locating dowel 53；Above-mentioned clamping cylinder41 outer face, which is provided with, swings to post holes 45, above-mentioned to swing to post holes 45 and match with swinging to locating dowel 53.
The quantity of above-mentioned prism 421 is 3,4,5,6,8.
Also include delivery device and any of the above-described clamp device；Wherein：Above-mentioned delivery device includes shell, is arranged in shellPush bar unit, the push ring element for being arranged on case nose；Above-mentioned shell is provided with handle, and the handle and shell are fasteningCavity structure；Above-mentioned push bar unit includes trigger, push rod, back-moving spring, stopping means；Above-mentioned push rod can be in triggerTravelled forward with the presence of stopping means, and original position is returned in the presence of back-moving spring and stopping means；Above-mentioned push ringUnit includes upper pressure seat, down pressing seat, fixation with steel wire seat, two steel wires, push ring；Above-mentioned upper pressure seat and down pressing seat fasten up and down isL-type tubular cavity structure, its rear end are connected with case nose, and its front end turns to downwards 80-100 degree and forms closure holder, onState the through hole that closure holder is provided with up/down perforation；Above-mentioned fixation with steel wire seat be arranged on the rear end of L-type tubular cavity structure and withThe front end of push rod is connected；The rear end of above-mentioned two steel wires is separately fixed on fixation with steel wire seat, and its middle part is set in parallel inBetween upper pressure seat and down pressing seat, push ring of its front end respectively with being enclosed on outside closure holder is hinged.
Above-mentioned stopping means includes front limit seat and the rear limit base being arranged in shell, the anterior setting of above-mentioned push rodIn front of front limit seat, it is arranged in the middle part of above-mentioned push rod between front limit seat and rear limit base, is provided with spring base,Above-mentioned back-moving spring is enclosed on the middle part of push rod and between front limit seat and spring base, and the rear portion of above-mentioned push rod is arranged onLimit base rear afterwards, trigger slot is provided with below；Above-mentioned trigger is arranged on the inside of handle, and its one end is extended outside handle, and its is anotherOne end is caught in trigger slot；Connected between above-mentioned fixation with steel wire seat and push rod by rotating mechanism, above-mentioned fixation with steel wire seat withThe other end of one end connection of rotating mechanism, above-mentioned push rod and rotating mechanism connects, and above-mentioned fixation with steel wire seat can be around pushThe central shaft rotation of bar；Above-mentioned rotating mechanism includes dead axle and moving axis, and the end set of moving axis has boss, and above-mentioned boss passes through neckPortion is connected with fixation with steel wire seat, and the diameter of above-mentioned boss is more than recess diameter；It is provided with what is be adapted with boss on above-mentioned dead axleNeck and the rotary spacing groove being adapted with neck, above-mentioned boss can be caught in neck from the side of dead axle and turn whereinDynamic, above-mentioned neck can be caught in rotary spacing groove from the side of dead axle and rotate wherein.
Above-mentioned push bar unit also includes insurance institution；Above-mentioned insurance institution is insurance support, and its one end is hinged on triggerMiddle inside, its other end can be connected on the inside of handle so as to which fixed trigger is relative to the angle of handle；Above-mentioned handle and shellThe pistol moulding cavity structure fastened for left and right.
The beneficial effects of the utility model are：
1st, the utility model surgical procedure is simple.1 the utility model delivery device is the folder release of memorial alloy tissue closureSpecial equipment, it is mainly used in the vessel sealing of hemorrhage of digestive tract point, alimentary canal tissue perforation, the excision of local organization hyperplasia, hemorrhoidThe excision of sore, closure of anal fistula internal orifice etc..When the utility model is used for tissue closure, closure folder is clipped in outside tissue perforation internal orificeAll tissues, the detent projection closed in the interior segmental arc or interior segmental arc of folder treat anastomosed tissue internal orifice periphery group under body temperature effectCarry out Self-pressurizing agri is knitted, tissue internal orifice peripheral tissues do not form new wound, kept well while tissue tension is overcomeBlood circulation, the closure of tissue perforation internal orifice, good operation effect are promoted.
2nd, the utility model closure is clipped in the blood circulation that histozoic one end keeps good, has promoted tissue perforation mouthWhile healing, the other end the clamped necrosis caused by tissue ischemia makes tissue closure press from both sides Automatic-falling, can finally doTo not staying foreign matter in vivo.
3rd, the utility model closure is clipped in particular cases tissue closure folder and can also removed with instrument, can also be chronically implanted bodyIt is interior.
4th, the utility model is cut off and the dual-use function of engaging tissue in a organized way.
5th, the utility model is used to cardioid closed mode, comprehensive closure can be achieved, than existing parallel closed modeClosure effect it is good.
6th, the utility model is atraumatic operating theater instruments.
7th, the utility model delivery device is simple in construction, easy to operate, can reach cutting tissue or identical purpose, mitigatesThe operation burden of doctor.
8th, using shaft coupling and rotary joint etc. between the push bar unit of the utility model delivery device and push ring elementStructure so that in the case that handle is motionless, push ring element can rotate around itself axle, so as to adapt to the focus of different angle.
9th, the utility model clamp device can be by the Ni-based marmem tissue closure folder of titanium by plane layout, disk like clothOffice or bowl-shape layout easily expand into tubular layout, are closed so as to realize the opening of closure folder and be temporarily fixed at the column of delivery deviceOn co-clip seat.
10th, the utility model clamp device can realize the formal dress of closure folder or anti-dress, make suitable for a variety of focusesWith.
11st, the utility model clamp device is simple in construction, easy to use.
Brief description of the drawings
Fig. 1 to Fig. 4 is the schematic diagram for the tissue closure folder for including 3 outer arc segments；Wherein：
Fig. 1 is to remember the front view before deformation；
Fig. 2 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Fig. 3 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Fig. 4 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Fig. 5 to Fig. 8 is the schematic diagram for the tissue closure folder for including 3 outer arc segments and interior segmental arc top tape detent projection；ItsIn：
Fig. 5 is to remember the front view before deformation；
Fig. 6 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Fig. 7 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Fig. 8 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Fig. 9 to Figure 12 is the schematic diagram for the tissue closure folder for including 4 outer arc segments；Wherein：
Fig. 9 is to remember the front view before deformation；
Figure 10 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Figure 11 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Figure 12 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Figure 13 to Figure 16 is the schematic diagram for the tissue closure folder for including 4 outer arc segments and interior segmental arc top tape detent projection；Wherein：
Figure 13 is to remember the front view before deformation；
Figure 14 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Figure 15 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Figure 16 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Figure 17 to Figure 20 is the schematic diagram for the tissue closure folder for including 5 outer arc segments；Wherein：
Figure 17 is to remember the front view before deformation；
Figure 18 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Figure 19 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Figure 20 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Figure 21 to Figure 24 is the schematic diagram for the tissue closure folder for including 5 outer arc segments and interior segmental arc top tape detent projection；Wherein：
Figure 21 is to remember the front view before deformation；
Figure 22 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Figure 23 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Figure 24 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Figure 25 to Figure 28 is the schematic diagram for the tissue closure folder for including 6 outer arc segments；Wherein：
Figure 25 is to remember the front view before deformation；
Figure 26 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Figure 27 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Figure 28 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Figure 29 to Figure 32 is the schematic diagram for the tissue closure folder for including 6 outer arc segments and interior segmental arc top tape detent projection；Wherein：
Figure 29 is to remember the front view before deformation；
Figure 30 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Figure 31 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Figure 32 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Figure 33 to Figure 36 is the schematic diagram for the tissue closure folder for including 8 outer arc segments；Wherein：
Figure 33 is to remember the front view before deformation；
Figure 34 is to remember the three-dimensional effect diagram before deformation, it can be seen that band is generally aligned in the same plane；
Figure 35 be remember deformation after look up design sketch, it can be seen that interior segmental arc offsets to one side；
Figure 36 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Figure 37 to Figure 38 is the schematic diagram for the tissue closure folder for including 8 outer arc segments and interior segmental arc top tape detent projection；Wherein：
Figure 37 is to remember the front view before deformation；
Figure 38 is to remember the three-dimensional effect diagram after deformation, it can be seen that interior segmental arc offsets to one side；
Figure 39 is to include being provided with the parallel folder of 4 outer arc segments, interior segmental arc top tape detent projection, 4, band and parallel folderThe schematic diagram of the tissue closure folder of detent projection；
Figure 40 is to include being provided with the parallel folder of 4 outer arc segments, interior segmental arc top tape detent projection, 4, band and parallel folderThe schematic diagram of the tissue closure of detent projection and groove folder；
Figure 41 is to include being provided with the parallel folder of 4 outer arc segments, interior segmental arc top tape detent projection, 4, band and parallel folderThe schematic diagram of the tissue perforation internal orifice of round and smooth projection and round and smooth groove closure folder；
Figure 42 is to include being provided with the parallel folder of 3 outer arc segments, interior segmental arc top tape detent projection, 3, band and parallel folderThe open mode schematic diagram of the tissue perforation internal orifice of round and smooth projection and round and smooth groove closure folder；
Figure 43 is to include being provided with the parallel folder of 3 outer arc segments, interior 3 segmental arc top tape detent projection, 3, band and parallel folderThe schematic diagram of the tissue perforation internal orifice of round and smooth projection and round and smooth groove closure folder；
Figure 44 is the stereoeffect schematic diagram of tissue perforation internal orifice closure folder in Figure 43；
Figure 45 is to include being provided with the parallel folder of 4 outer arc segments, interior segmental arc top tape detent projection, 4, band and parallel folderThe schematic diagram of another tissue closure folder of detent projection；
Figure 46 is to include being provided with the parallel folder of 4 outer arc segments, interior segmental arc top tape detent projection, 4, band and parallel folderThe schematic diagram of another tissue closure of round and smooth projection and round and smooth groove folder；
Figure 47 is the sectional view of delivery device；
Figure 48 is to remove the structural representation for pushing ring element after upper pressure seat；
Figure 49 is the structural representation for pushing ring element；
Figure 50 is the overview of delivery device；
Figure 51 is the decomposing schematic representation of delivery device；
Figure 52 and Figure 53 is the structural representation of the utility model clamping cone component；
Figure 54 is the structural representation of the utility model clamping holder assembly；
Figure 55 is Figure 54 sectional view；
Figure 56 is that closure folder formal dress bores the initial shape that on component and clamping holder assembly not yet covers in the utility model clampingState figure；
Figure 57 is clamping holder assembly, clamping cone component, closure folder, the initial position schematic diagram of delivery device；
Figure 58 is that clamping holder assembly clamps closure into clamping cone components position view；
Figure 59 is the position view that clamping holder assembly and delivery device are bonded completely；
Figure 60 is closure folder position view when clamping holder assembly will be disengaged from delivery device；
Figure 61 is delivery device position view when clamping holder assembly will be disengaged from delivery device；
Figure 62 is that closure folder formal dress bores the initial shape that on component and clamping holder assembly not yet covers in the utility model clampingState figure；
Figure 63 is that closure folder formal dress swings to position view on holder assembly in the utility model；
Figure 64 is position view of the closure folder instead on the closure holder of the utility model delivery device；
Reference：1- handles, 2- triggers, 3- trigger torsion springs, 4- locks, limit base after 5-, 6- trigger slots, 7- pushBar, 8- insurance crozes, 9- front limit seats, 10- back-moving springs, 11- clasps, 12- shells, 13- rotary joints, 14- shaft couplings,15- fixation with steel wire seats, 16- fixing bolts, 17- steel wires, 18- upper pressure seats, 19- down pressing seats, 20- push rings, 21- through holes, 22-Close holder, the guide channels of 221- first, 23- spring bases, 24- leads, 25- guide cones, 26- clamping necks, 27- insurance branchFrame, 30- clamping holder assemblies, 31- clamps, 311- latches, 32- clamping post holes, 33- clamping prisms hole, 34- clamping taper holes, 40-Clamping bores component, 41- clampings cylinder, the guide channels of 411- second, 42- prisms, 421- prisms, 43- clamping cones, 431- clampingsCone groove, 44- locating dowels, 441- locating slots, 45- swing to positioning hole, and 451- swings to positioning hole groove, and 50- swings to holder assembly, and 51- fallsTo set, 52- swings to post, the guide channels of 521- the 3rd, and 53- swings to locating dowel, 80- delivery devices, 90- closure folders, 91- outer arc segments, 92-Interior segmental arc, 93- detent projections, 94- clamps, 941- pointed tooths, 942-V shape grooves, the round and smooth projections of 943-, the round and smooth grooves of 944-.
Embodiment
Referring to Fig. 1 to Figure 46, the Ni-based marmem tissue closure folder of titanium, including closure clip main body, close clip main bodyIt is the band of closure made of the Ni-based shape memory alloy material of titanium, band is by staggered at least three outer arc segments and identicalQuantity interior segmental arc head and the tail be connected in sequence it is plane layout, disk like layout or bowl-shape layout；The disk like is laid out or bowl-shape clothThe circular cone angular region of the band of the closure of office is 120-180 °, most preferably 160 °.Have when closing band by higher than memory temperatureThe hyperelastic Ni-based shape memory alloy material of titanium is processed as the memory character clinically needed.When external force acts on or less than memoryIts shape, refresh memory shape when being higher than after external force unloading or again memory temperature can be changed during temperature.Outer arc segments it is optimalQuantity is 3 or 4, during specific demand, can also use 5,6 or 8.
Band is the Ni-based shape memory alloy material of titanium, is with super-elasticity under its memory temperature, can change under external force effectBecome its shape, external force recovers its shape memory after disappearing.
To reach optimal surgical effect, shape memory, the top place of all interior segmental arcs are set under the conditions of memory temperatureDiameter of a circle is 1-4mm, and diameter of a circle where the top of all outer arc segments is 10-20mm；Under the conditions of less than memory temperature andIt can be changed by diameter of a circle where the top of segmental arc in external force, it is identical with outer arc size.Meet or exceed memory temperatureWhen and external force unloading after, the tops of all interior segmental arcs drawn close to band center after where diameter of a circle revert to 1-4mm.
To prevent closure folder is unexpected from coming off, while more preferable closure effect can be reached, can also be set at the top of each interior segmental arcDetent projection is put, detent projection is towards closure folder center.
To further enhance closure effect, closure folder may also include the parallel folder consistent with outer arc segment number；It is each parallelFolder includes two clamps be arrangeding in parallel；The fixing end of two clamps is connected with the both ends of outer arc segments respectively, its on-fixed end positionIn in the outer arc segments area defined.
To prevent closing course from being come off outside favorite, also geared assembly can be respectively arranged with two relative sides of clamp.Geared assembly can have multiple structural forms, and three kinds of main structures are：
1st, geared assembly includes at least one pointed tooth of evagination, and the tine locations of pointed tooth and relative clamp stagger；Figure 41In, each clamp includes two pointed tooths, and 4 pointed tooths of each closure folder are staggered.
2nd, geared assembly includes at least one pointed tooth of evagination and the groove of indent, and the pointed tooth of groove and relative clampQuantity shape match, such as groove can be round and smooth groove or V-shaped groove；In Figure 42, each clamp includes 2 pointsTooth and 2 round and smooth grooves, pointed tooth are correspondingly arranged with the round and smooth groove on relative clamp.
3rd, geared assembly includes the round and smooth groove and the round and smooth groove and phase of at least one round and smooth projection and indent of evaginationThe round and smooth number of projection shape of clamp is matched；In Figure 43, each clamp includes a round and smooth projection and a round and smooth groove.
Closure folder is clipped in tissue perforation internal orifice peripheral tissues, has the interior segmental arc of hyperelastic closure folder or interior segmental arcTreat anastomosed tissue internal orifice jointly with detent projection and carry out Self-pressurizing agri, while pressurization, the group of the good side of blood circulationScar proliferation is knitted, internal orifice is healed, has reached hurtless measure and has not stayed the purpose of foreign matter in vivo.
Closure folder operation principle：Titanium Ni-based marmem tissue closure folder, including closing of forming of the band by closingCo-clip main body；The band of closure is sequentially connected by the interior segmental arc of staggered at least three outer arc segments and identical quantity head and the tail；The band of closure forms plane layout, disk like layout or bowl-shape layout；Have when the band of closure is by higher than memory temperature superThe Ni-based shape memory alloy material of titanium of elasticity is made, when external force acts on or can change its shape, external force during less than memory temperatureRefresh memory shape when being higher than memory temperature after unloading or again.
The operation principle of the Ni-based marmem tissue closure folder of titanium is exactly that make use of the Ni-based marmem of titaniumTemperature effect and superlastic sexual function are pulled open under low temperature and external force effect, and closure reverts to shape memory under high temperature, with human bodyHyperblastosis, the physiological Mechanism of necrosis are combined, and the design of titanium Ni-based marmem tissue closure clamping structure is reasonableProperty, realize the identical purpose of tissue tissue.
The closure folder made of the shape memory function characteristic of the Ni-based shape memory alloy material of titanium is released to affected area,Make to press from both sides with temperature or the closure changed in outer masterpiece, it can be played and clinically implement the leading role of operation.
Engaging tissue：It is semi-closure conjunction state, closed-gap 1-2mm or so that memorial alloy anal fistula internal orifice is closed into folder memory.The closure folder of closure is pulled open into rear enclosure on the closure holder of the utility model delivery device, cocking, push rod travels forward,Drive steel wire is travelled forward, and steel wire drives push ring to move downward, and closure is pressed from both sides and pushed at the tissue that needs close.If necessary,With fine rule that tissue colligation is good, silk thread passes from through hole, tenses, and pulls tissue into closure folder, then cocking, releaseClosure folder, makes ring center clamp the tissue to be closed, and continues Self-pressurizing agri, and tissue is tightly pushed down and coincide.The group of pressurizationKnit because blood circulation is good, the hyperblastosis of pressurization forms cicatricial tissue and provides regeneration, reaches the purpose of engaging tissue.
Cutting tissue：It is fully closed condition that memorial alloy anal fistula internal orifice is closed into folder memory, and remaining step is kissed with tissueClose identical.Tissue ischemia is caused to make necrosis in the ring of pressurization, while ring inner tissue one side is downright bad, the outer another side of ringHyperblastosis makes engaging tissue.Due to ring inner tissue ischemic necrosis, otch is formed, slough comes off, and Ti-Ni shape memory closesGold closure folder also comes off therewith, and de- fall behind in the presence of enterocinesia excretes, and makes not stay foreign matter in vivo.
Close the reliability of folder：Pressed from both sides with the closure of the Ni-based marmem board making of the titanium of different-thickness, its is constantPressure characteristic determine and can compensate different tissues thickness, and place tissue is produced and stablizes lasting pressure, it is equal so as to ensureEven and controllable compressed anastomosis process.Make the regeneration of engaging tissue portion within the different time, slough comes off, and ensuresThe reliability of engaging tissue.
Closure folder comes off the time：The operation principle of the Ni-based marmem anal fistula internal orifice closure folder of titanium is exactly that make use ofThe temperature effect function of the Ni-based marmem of titanium is pulled open at low temperature, and closure reverts to shape memory under high temperature, with human bodyIt is external for the exclusion that comes off of closure folder after ten days, ten days that hyperblastosis, the physiological Mechanism of necrosis are combined the organization healing time.Titanium nickelThe design principle and design structure and clinical manipulation and use all than current clinical institute that base marmem tissue closure presss from both sidesSome peg stapling apparatus are more scientific, easier, are a preferable tissue closure binder tools.
Referring to Figure 52 to Figure 61, the Ni-based marmem tissue closure folder clamp device of titanium of formal dress mode, including dressFolder cone component 40 and clamping holder assembly 30；Clamping cone component 40 include be sequentially connected locating dowel 44, clamping cylinder 41, clampingCone 43, prism 42；4 the second guide channels of axial direction 411 are evenly equipped with the circumference side of clamping cylinder 41；Clamping cone 43 is bored4 clamping cone grooves 431 are evenly equipped with face；Prism 42 includes the prism 421 of 4 circumference uniform distributions；The cross sectional shape of prism withSpace in closure folder between segmental arc 92 matches；The quantity of prism 421 is consistent with the quantity of segmental arc 92 in closure folder 90；Prism421 is corresponding with the position of the second guide channel 411；Each clamping cone groove 431 is located at the centre position of two neighboring prism 421；The external diameter of the external diameter of clamping cylinder 41 and the closure holder 22 of delivery device 80 matches；Second guide channel 411 and closure holder 22On the first guide channel 221 position correspond；Clamping holder assembly 30 include housing, 4 axially arranged clamps 31 andThe clamping post holes 32 that is inwardly set gradually from shell one end portion, clamping taper hole 34, prism hole 33；Clamping taper hole 34 and clamping cone43 shapes match；Prism hole 33 matches with the shape of prism 42；4 circumference uniform distributions of clamp 31 are in the inner side of clamping post holes 32Face；The inner side edge outer end of each clamp is provided with overhanging latch 311；The quantity one of the guide channel 411 of clamp 31 and secondCause, position corresponds；Latch 311 can block outer arc segments 91 corresponding on closure folder 90, flat on prism so as to driveThe closure folder of planar layout, disk like layout or bowl-shape layout is moved on clamping cylinder 41 after prism, clamping cone, is expandedOpen the closure folder into tubular layout.Locating dowel 44 and the endoporus of the closure holder 22 of delivery device 80 match；Set in locating dowelThere is positioning edge 441；The locating slot of positioning edge 441 and the endoporus of the closure holder 22 of delivery device 80 matches.
Referring to Figure 62 and Figure 63, the anti-Ni-based marmem tissue closure folder clamp device of titanium for filling mode, including fallTo holder assembly 50, clamping cone component 40 and clamping holder assembly 30；Clamping cone component 40 includes clamping cylinder 41, the dress being sequentially connectedPress from both sides cone 43, prism 42；4 the second guide channels of axial direction 411 are evenly equipped with the circumference side of clamping cylinder 41；Clamping cone 43 is bored4 clamping cone grooves 431 are evenly equipped with face；Prism 42 includes the prism 421 of 4 circumference uniform distributions；The cross sectional shape of prism withSpace in closure folder between segmental arc 92 matches；The quantity of prism 421 is consistent with the quantity of segmental arc 92 in closure folder 90；RibPost 421 is corresponding with the position of the second guide channel 411；Each clamping cone groove 431 is located at the interposition of two neighboring prism 421Put；The external diameter of the external diameter of clamping cylinder 41 and the closure holder 22 of delivery device 80 matches；Second guide channel 411 and closure holderThe position of the first guide channel 221 on 22 corresponds；Clamping holder assembly 30 include housing, 4 axially arranged clamps 31 withAnd inwardly set gradually from shell one end portion clamping post holes 32, clamping taper hole 34, prism hole 33；Clamping taper hole 34 is bored with clampingThe shape of body 43 matches；Prism hole 33 matches with the shape of prism 42；4 circumference uniform distributions of clamp 31 are in clamping post holes 32Medial surface；The inner side edge outer end of each clamp is provided with overhanging latch 311；The quantity of the guide channel 411 of clamp 31 and secondUnanimously, position corresponds；Latch 311 can block outer arc segments 91 corresponding on closure folder 90, so as to drive on prismThe closure folder of plane layout, disk like layout or bowl-shape layout is moved on clamping cylinder 41 after prism, clamping cone,Expand into the closure folder of tubular layout.Locating dowel 44 and the endoporus of the closure holder 22 of delivery device 80 match；
Swing to holder assembly 50 include it is stepped swing to post 52 and be enclosed on to swing to swing to set 51 on post 52；Post 52 is swung to justifyAll sides are provided with 4, position one-to-one threeth guide channels 521 consistent with the quantity of the second guide channel 411；Swing to post 52External diameter is equal with the external diameter of locating dowel 44；Swing to set can under external force along swing to post move and internally under spring effect answerPosition.
The Ni-based marmem tissue closure folder apparatus for displaying of titanium, including delivery device and clamp device；Referring to Figure 47 extremelyFigure 51, delivery device include shell, the push bar unit being arranged in shell, the push ring element for being arranged on case nose；ShellBe provided with handle, the pistol moulding cavity structure that handle and shell fasten for left and right, push bar unit include trigger, push rod,Back-moving spring, stopping means；Push rod can be travelled forward in the presence of trigger, and original is returned in the presence of back-moving springPosition；Stopping means includes being arranged on front limit seat and rear limit base in shell, before the front portion of push rod is arranged on front limit seatIt is square, it is arranged in the middle part of push rod between front limit seat and rear limit base, is provided with spring base, back-moving spring is enclosed on pushThe middle part of bar and between front limit seat and spring base, the rear portion of push rod is arranged on rear limit base rear, sets belowThere is trigger slot；Trigger is arranged on the inside of handle, and its one end is extended outside handle, and its other end is caught in trigger slot；Push bar unitIt may also include safeties bolt；Safeties can be lock or insurance support.Lock is arranged on shell rear portion, its buttonPositioned at outer surface of outer cover, its grab is set inside the housing, and grab can be caught in or leave push rod rear portion under the driving of buttonThe insurance croze of top；One end of insurance support is hinged on trigger middle inside, its other end can be connected on the inside of handle so as toFix angle of the trigger relative to handle.Pushing ring element includes upper pressure seat, down pressing seat, fixation with steel wire seat, steel wire, push ring；It is L-type tubular cavity structure that upper pressure seat and down pressing seat fasten up and down, and its rear end is connected with case nose, and its front end turns to downwards80-100 degree forms closure holder, and closure holder is provided with the through hole of up/down perforation；Fixation with steel wire seat is arranged on L-type tubular cavityThe rear end of structure and it is connected with the front end of push rod；It is fixed in the middle part of steel wire on fixation with steel wire seat, its both ends is in upper pressure seatParallel between down pressing seat to extend forward and curve downward and at closure holder, the both ends of steel wire are respectively with being enclosed on outside closure holderPush ring on the outside of it is be hinged；Fixation with steel wire seat is connected with the front end of push rod by shaft coupling；After L-type tubular cavity structureEnd is connected with case nose by rotary joint.
The clamping process of formal dress：Referring to Figure 56 and 57, folder 90 will be closed and be inserted on the prism 42 of clamping cone component 40, thenThe locating dowel 44 of clamping cone component 40 is sticked into the through hole of closure holder of delivery device, then four cards with clamping holder assembly 30The latch of plate blocks 4 outer arc segments on closure folder, and then clamping holder assembly 30 is close (referring to Figure 58) to clamping cone component 40,After driving closure folder 90 to sequentially pass through prism, clamping cone 43, clamping cylinder 41, finally expand into cylindrical shape and be enclosed on and broadcast(referring to Figure 59) on the closure holder of device, clamping holder assembly 30 (referring to Figure 60 and Figure 61) and clamping cone group are then removed successivelyPart, finally by the closure holder alignment tissue to be closed, pull trigger, release closure folder, the closure folder coning angle court after release(i.e. formal dress state) outside.
The anti-clamping process filled：Referring to Figure 62, the locating dowel 53 of swinging to for swinging to holder assembly 50 is caught in clamping cone component 40Swing in post holes 45, then be inserted in folder 90 is closed on the prism 42 of clamping cone component 40, then four with clamping holder assembly 30The latch of individual clamp blocks 4 outer arc segments on closure folder, and then clamping holder assembly 30 is close to clamping cone component 40, and drive is closedAfter co-clip 90 sequentially passes through prism, clamping cone 43, clamping cylinder 41, finally expand into cylindrical shape and be enclosed on and swing to post 52On, it then will swing to holder assembly 50 and clamping cone component 40 separates.Referring to Figure 63, locating dowel is swung to by swing to holder assembly 5053 are caught in the through hole of closure holder of delivery device,
Clamping holder assembly 30 (referring to Figure 60 and Figure 61) and clamping cone component will be removed successively, finally will closure holder alignmentThe tissue to be closed, trigger is pulled, release closure folder, the closure folder coning angle after release is outwardly (i.e. formal dress state).
The utility model need to only change the quantity of prism 421, you can suitable for the titanium nickel that outer arc segment number is 3,5,6,8Base marmem tissue closure presss from both sides.