Quick union component, transportation system and its application methodTechnical field
The present invention relates to manufacture technology field of medical appliance, in particular to a kind of quick union component, transportation system and itsApplication method.
Background technique
Arotic disease such as aortic aneurysm, dissection of aorta etc. is most fatal and the treatment highest vascular surgery disease of difficultyOne of.It in recent years, is that chamber is implemented to aortic disease position blood vessel using precoated metal bracket for high-risk abdominal aorta diseaseWhat endoprosthesis was treated, overlay film frame is sent to actively by the mini-incision for mainly passing through aorta using transportation systemThen bracket release is accurately blocked lesion by the lesion locations of arteries and veins here, last safety is withdrawn.
It is directed to an aortic aneurysm disease at present, generally requires to place more than two overlay film frames in lesion locations, this is justIt needs that transportation system is repeatedly utilized to convey overlay film frame to lesion locations.During actual fed overlay film frame, for coveringThe positions such as the branch stent junction of main body and overlay film frame of membrane support proximal end or overlay film frame also need to carry out using sacculusExpansion, so that overlay film frame and the adherent better effect of vascular wall, reduce interior leakage.This means that the blood vessel under a mini-incisionApproach, be repeatedly by the friction and collision of transportation system outer sheath, foley's tube etc..However the blood vessel of the patient of aortic aneurysmIt is more fragile compared to the blood vessel of normal person, if the blood vessel approach of patient is more tortuous or transportation system outer tube itself is larger, just moreThe damage to vascular wall is aggravated.
Summary of the invention
The purpose of the present invention is to provide a kind of quick union component, transportation system and its application methods, to solve to useWhen transportation system conveys multiple overlay film frames to lesion locations in the prior art, needs transportation system to enter blood vessel approach repeatedly and makeAt vascular wall damage the problem of.
In order to solve the above technical problems, the present invention provides a kind of quick union component of deformation, the quick union componentAlong axial equal in the female connector for including: pin end and being detachably connected with the pin end, the pin end and the female connectorIt is provided with cavity, the pin end has the first binding end and the second binding end, and the first binding end of the pin end is provided withThe engaging member to match with the second binding end of the pin end of another quick union component.
Optionally, in the quick union component, it is arranged on the outer wall of the first binding end of the pin end limitedPosition boss.
Optionally, in the quick union component, the female connector has the first binding end with the pin endThe mating end of connection is provided with dynamic boss on the inner wall of the mating end, and the dynamic boss is mutually stung with the positive stop lug bossIt closes.
Optionally, in the quick union component, further include the control that is set on the outer wall of the female connector byButton, the control button are connect by elastomeric element with the dynamic boss.
Optionally, it in the quick union component, presses the control button and drives dynamic boss retraction instituteIt states in the inner wall of mating end, separates the dynamic boss with the positive stop lug boss.
Optionally, in the quick union component, the inner wall of the first binding end of the pin end be provided with separatelyThe engaging member that the outer wall of second binding end of the pin end of the one quick union component matches.
Optionally, it in the quick union component, is provided on the outer wall of the second binding end of the pin end outerScrew thread, the engaging member are the internal screw thread to match with the external screw thread.
Optionally, in the quick union component, card is provided on the outer wall of the second binding end of the pin endSlot, the engaging member are the convex grain to match with the card slot.
Optionally, in the quick union component, the pin end includes that the son is fixed in sub- connector and one endAdapter in connector, first binding end of the free end of the adapter as the pin end, the freedom of the sub- connectorHold the second binding end as the pin end.
Optionally, in the quick union component, the pin end further include be set to the sub- connector with it is describedSealing ring between adapter.
Optionally, in the quick union component, the centre of the sealing ring is provided with the protrusion with notch, instituteThe shape for stating notch is a word, cross or rice word, forms unidirectional dynamic seal.
Optionally, in the quick union component, the female connector includes the first outer pipe clamping head and is socketed on partConnector base on the outside of the first outer pipe clamping head.
Optionally, in the quick union component, the sub- connector includes the second outer pipe clamping head and is socketed on partInfusion pipe connections on the outside of the second outer pipe clamping head.
The present invention also provides a kind of transportation system of interventional medical device, the transportation system includes:
Delivery conduit；
Handleset；And
Above-mentioned quick union component；
Wherein, the delivery conduit includes outer sheath and the inner tube assembly that is set in the outer sheath, said inner tubeComponent is for loading interventional medical device, and the outer sheath includes preceding outer sheath and rear outer sheath, the quick union componentBoth ends are connected with the preceding outer sheath and the rear outer sheath respectively, the other end of the rear outer sheath and the Handleset phaseEven.
Optionally, in the transportation system of the interventional medical device, the cavity of the pin end and the preceding outer sheathLumen connection, collectively form reserved sheath tube passage.
The present invention also provides the transportation system of another interventional medical device, the transportation system includes:
Delivery conduit；
Handleset；
At least two pin ends of quick union component as described above, including the first pin end and the second public accessHead；And
The female connector of quick union component as described above, second pin end detachably connect with the female connectorIt connects；
Wherein, the second binding end of the first binding end of first pin end and second pin end passes through described theThe engaging member of one pin end is connected；
The delivery conduit includes outer sheath and the inner tube assembly that is set in the outer sheath, and said inner tube component is usedIn loading interventional medical device, the outer sheath includes preceding outer sheath and rear outer sheath, and the preceding outer sheath is public with described firstConnector is connected, and the both ends of the rear outer sheath are connected with the female connector and the Handleset respectively.
The present invention also provides a kind of application method of transportation system, the application method of the transportation system includes:
S1: the transportation system for being mounted with the first interventional medical device is sent into predetermined position；
S2: the outer sheath and the quick union component are withdrawn together until described by controlling the HandlesetFirst interventional medical device is released from the outer sheath；
S3: when needing to convey the second interventional medical device to predetermined position, by the female connector of the quick union componentIt is separated with pin end, the preceding outer sheath being connected by the pin end and with the pin end resides in current location, by instituteIt states and withdraws together with female connector, the rear outer sheath connected with the female connector and said inner tube component until said inner tube groupPart is withdrawn from completely from the preceding outer sheath, is formed in the pin end and the preceding outer sheath being connected with the pin end pre-Stay sheath tube passage；
S4: importing the transportation system for being mounted with the second interventional medical device along the reserved sheath tube passage, and by the dressThe pin end for being loaded with the transportation system of the second interventional medical device passes through the phase with the pin end for residing in the current locationMatched engaging member is connected；
S5: the Handleset by being mounted with the transportation system of the second interventional medical device described in control will be corresponding describedOuter sheath and the quick union component are withdrawn together until second interventional medical device is released from the outer sheath；
S6: executing step S3~S5 repeatedly until controlling last import when no longer needing to convey overlay film frame to predetermined positionTransportation system Handleset by all quick union components and all delivery conduits being connected with the quick union componentIt withdraws together.
In quick union component provided by the present invention, transportation system and its application method, added in transportation systemQuick union component, the both ends of quick union component are connected with preceding outer sheath and rear outer sheath respectively, when needs are repeatedly to predeterminedPosition convey interventional medical device when, will be used to load and discharge the transportation system of the first interventional medical device pin end and withThe connected preceding outer sheath of pin end resides in predetermined position, the rear outer sheath and inner tube group being connected by female connector, with female connectorPart is withdrawn together, until inner tube assembly is withdrawn from completely from preceding outer sheath, in pin end and the preceding outer sheath being connected with pin endReserved sheath tube passage is formed, to import the transportation system for being mounted with the second interventional medical device along reserved sheath tube passage, is realizedThe conveying of multiple interventional medical device needs to convey when transportation system being avoided to convey multiple interventional medical devices to predetermined positionSystem repeatedly enters the problem of blood vessel approach causes the damage of vascular wall, reduces the blood loss of patient, has saved operating timeAnd surgery cost.
Detailed description of the invention
Fig. 1 is the main view of the transportation system of interventional medical device in the embodiment of the present invention one；
Fig. 2 is main view when quick union component is split in the embodiment of the present invention one；
Fig. 3 is the sectional view of quick union component in the embodiment of the present invention one；
Fig. 4 is the main view of the adapter of quick union component in the embodiment of the present invention one；
Fig. 5 is that new transportation system imports the sectional view after the reserved sheath tube passage of previous transportation system；
Fig. 6 is the main view of the female connector of quick union component in the embodiment of the present invention one or two；
Fig. 7 is the main view of the adapter of quick union component in the embodiment of the present invention two；
Fig. 8 is in the embodiment of the present invention three using the application method flow chart of transportation system in embodiment one or two.
In figure, delivery conduit -1；Quick union component -2；Handleset -3；Preceding outer sheath -10；Outer sheath -11 afterwards；It is interiorTube assembly -12；Sub- connector -20,20 '；Adapter -21,21 '；Female connector -22,22 '；Pin end -23,23 '；Sealing ring -24；External screw thread -200；Infusion pipe connections -201；Internal screw thread -210；Convex grain -210 '；Positive stop lug boss -211；Control button -220,220'；First outer pipe clamping head -221；Connector base -222,222 '；Dynamic boss -223；Second outer pipe clamping head -224.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to quick union component, transportation system and its application side proposed by the present inventionMethod is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It needs to illustrate, attached drawing is all made of very simplified form and using non-accurate ratio, only conveniently, lucidly to aid in illustrating originallyThe purpose of inventive embodiments.For purposes of illustration only, proximal end described in the embodiment of the present invention is the front end that stent delivery system advances,I.e. far from one end of operator, the distal end is close to one end of operator.
Embodiment one
Referring to FIG. 1, its main view for transportation system in the embodiment of the present invention one.As shown in Figure 1, the transportation systemIt include: delivery conduit 1；Handleset 3；And quick union component 2；Wherein, the delivery conduit 1 includes outer sheath and setsThe inner tube assembly 12 being placed in the outer sheath, said inner tube component 12 is for loading interventional medical device, the outer sheath packetInclude preceding outer sheath 10 and rear outer sheath 11, the both ends of the quick union component 2 respectively with the preceding outer sheath 10 and it is described afterOuter sheath 11 is connected, and the other end of the rear outer sheath 11 is connected with the Handleset 3.
In order to be better understood from the structure of quick union component 2, referring to FIG. 2, it is to connect fastly in the embodiment of the present invention oneMain view when joint assembly 2 is split.As shown in Fig. 2, the quick union component 2 include: pin end 23 and with the public accessFirst 23 female connectors 22 being detachably connected are provided with cavity, the public access along axial direction in the pin end and the female connectorFirst 23 have the first binding end and the second binding end, and the first binding end of the pin end 23 is provided with described to be connect fastly with anotherThe engaging member that second binding end of the pin end 23 of head assembly matches.Preferably, the first binding end of the pin endInner wall is provided with the engaging member to match with the outer wall of the second binding end of the pin end of another quick union component；WhenWhen being provided with external screw thread 200 on the outer wall of the second binding end of the pin end 23, the engaging member is and the external screw thread200 internal screw threads 210 to match.In the present embodiment, Fig. 2~Fig. 4 is please referred to, the female connector 22 includes the first outer pipe clamping head221 and it is socketed on the connector base 222 in outer 221 outside of pipe clamping head in part described first.The pin end 23 includes sub- connector 20And the adapter 21 in the sub- connector 20 is fixed in one end, the free end of the adapter 21 as the pin end 23One binding end, second binding end of the free end of the sub- connector 20 as the pin end 23.The sub- connector 20 includes theTwo outer pipe clamping heads 224 and the infusion pipe connections 201 for being socketed on outer 224 outside of pipe clamping head in part described second.In the present embodiment,The outer pipe clamping head 221 of the first of female connector 22 is identical as the second outer 224 shape and structure of pipe clamping head of pin end 23.
Referring to FIG. 5, it imports the sectional view after the reserved sheath tube passage in previous transportation system for new transportation system.First binding end inner wall of pin end described in the present embodiment is provided with the pin end of another quick union componentThe engaging member that the outer wall of two binding ends matches.The starting point of actual design is to consider to need repeatedly implantation interventional medical deviceWhen, delivery system that the pin end of two identical quick union components imports after being combined to when being sequentially connected withThe interventional medical device that system passes through the reserved sheath tube passage release new of previous transportation system.Engaging member is set to pin end 23The free end (one end i.e. far from sub- connector) of adapter 21, structure specific for engaging member is incorporated by reference to content shown in Fig. 5Understood.Be provided with external screw thread 200 on the outer wall of second binding end of pin end 23 described here, the engaging member be withThe internal screw thread 210 that the external screw thread 200 matches.Purpose for engaging member setting is to need to be implanted into predetermined position moreWhen a interventional medical device, the quick union component of the same transportation system imported during subsequent implantation interventional medical device2 pin end 23 ' can pass through the structure and the engaging member phase of the one before pin end 23 of the second binding end of the pin end 23Matching is to realize that the preceding outer sheath 10 for residing in current location and pin end 23 and the transportation system of subsequent importing are mutually fixedIt subsequent release interventional medical device and recalls all transportation systems and lays the foundation.In view of can be in 23 application process of pin endWhen abrasion and application the problem of leakproofness, pin end 23 is designed as 21 two parts of sub- connector 20 and adapter by the application, andSealing ring 24 is provided between the sub- connector 20 and the adapter 21.In order to avoid recalling 22 front and back pin end 23 of female connectorIt is in contact the case where will appear blood outflow with female connector 22, sealing ring 24 is designed as centre and is provided with the convex of notch by the applicationThe structure risen, the direction of the protrusion need that contrary with withdraw from the female connector 22 (i.e. the highest point of protrusion is separate to removeThe direction of female connector 22 out, to play the role of unidirectional dynamic sealing).Preferably, the shape of the notch be a word, cross orRice word.The material of sealing ring 24 is silica gel, certainly, other material manufacture sealing rings 24 can also be used, the application does not do thisIt limits.Here the selection of the shape of notch is needed to be selected according to the anti-pressure ability of sealing ring 24 in sealed states.
Please refer to Fig. 2, Fig. 4 and Fig. 6, wherein Fig. 6 is the female connector of quick union component in the embodiment of the present invention one or twoMain view can know and be provided on the female connector 22 for controlling the pin end 23 as shown in Fig. 2, Fig. 4 and Fig. 6With the control button 220 of the female connector 22 being detachably connected.
Be provided with positive stop lug boss 211 on the outer wall of first binding end of the pin end 23, the female connector 22 have withThe mating end of the first binding end connection of the pin end 23 is provided with dynamic boss on the inner wall of the mating end, described dynamicState boss 223 is engaged with 211 phase of positive stop lug boss；The quick union component further includes the outer wall for being set to the female connectorOn control button 220, the control button 220 connected by elastomeric element (not indicating in figure) and the dynamic boss 223It connects.
Specifically, the control button 220 controls the pin end 23 and the occlusion of the female connector 22 or isolated mistakeJourney is as follows: when pressing the control button 220, the control button 220 drives mating end described in the dynamic boss retractionInner wall in, separate the dynamic boss with the positive stop lug boss 211, the pin end 23 can divide with the female connector 22From.When releasing the pressing control button 220, the dynamic boss stretches out the inner wall of the mating end, makes the dynamic bossIt is engaged with the positive stop lug boss 211, pin end 23 and female connector 22 are combined into one structure at this time.Preferably, the elastic portionPart is elastic slice, which can shape with 220 integrated through injection molding of control button, can also be mechanically connected by small metal spring, the side of connectionMethod has: lock screw, riveting, welding.
Referring to FIG. 3, being provided with cavity along axial direction in the pin end 23 and the female connector 22.Here cavity is usedIn the inner tube assembly 12 for accommodating transportation system, and the cavity in the pin end 23 is also a housing for the new conveying of subsequent importingThe delivery conduit 1 of system.Specifically, in conjunction with Fig. 1 and Fig. 2 analysis and understanding, since quick union is the epitheca for being set to delivery conduit 1Guan Shang, and inner tube assembly 12 is also socketed in outer sheath, said inner tube component is for loading interventional medical device, when previous interventionAfter medical instrument successfully discharges, the preceding outer sheath 10 is separated with rear 11 phase of outer sheath, and said inner tube component 12 is with handle groupWithdrawing for part 3 and before being recycled in outer sheath 10, it is further remote with rear outer sheath 11 then as the preceding outer sheath 10From said inner tube component 12 is finally all withdrawn from from the cavity of preceding outer sheath 10 and the pin end 23.And the core of the applicationAfter the heart is that the inner tube assembly 12 using current transportation system withdraws from predetermined position (such as vascular lesion position), the pin endNo longer occupied in 23 cavity and the lumen of the preceding outer sheath, the application is by the cavity of pin end 23 and the preceding outer sheathThe be connected channel of composition of lumen be referred to as reserved sheath tube passage, be " unimpeded ", edge due to reserving sheath tube passage at this timeThe reserved sheath tube passage can import the new transportation system for being mounted with interventional medical device, and so on, it may be implemented repeatedlyThe conveying of interventional medical device.
Embodiment two
Difference of the embodiment two compared to embodiment one is only that the first binding end of the pin end about quick union component 2Inner wall be provided with the engaging member to match with the outer wall of the second binding end of the pin end of another quick union componentSpecific structure.Referring to FIG. 7, its main view for the adapter 21 of quick union component 2 in the embodiment of the present invention two, by schemingKnown to content shown in 7 when being provided with card slot on the outer wall of the second binding end of the pin end 23, the engaging member be withThe convex grain 210 ' that the card slot matches.Rest part is the same as example 1 in embodiment two, is not related to rest partImprovement, the content that details are not described herein is the same as example 1.
It is not limited to the embodiment in one and embodiment two internal screw thread 210 and 210 ' two kinds of convex grain certainly for engaging member,As long as engaging member can match with the structure being arranged on the outer wall of the second binding end of the pin end 23, to realize twoIdentical pin end 23 can be fixed together when being sequentially connected with.
Embodiment three
Correspondingly, the present invention also provides a kind of application methods of transportation system.It is detailed below with reference to Fig. 1, Fig. 5 and Fig. 8Illustrate the application method of transportation system described in the present embodiment, as shown in figure 8, the application method of the transportation system includes following stepIt is rapid:
Firstly, executing step S1, the transportation system for being mounted with the first interventional medical device is sent into predetermined position.
Then, step S2 is executed, by controlling the Handleset 3 for the outer sheath and the quick union component 2It is withdrawn together until first interventional medical device is released from the outer sheath.
Fig. 2 and 3 are please referred to, the pin end 23 is including the second outer pipe clamping head 224 and is socketed on part second outer tubeThe infusion pipe connections 201 in 224 outside of clamp, the female connector 22 include the first outer pipe clamping head 221 and are socketed on described in partThe connector base 222 in the first outer 221 outside of pipe clamping head.Wherein, the rear outer sheath 11 and the described first outer pipe clamping head 221 are fixedIt is connected as one, the preceding outer sheath 10 is fixedly connected with the described second outer pipe clamping head 224 and is integrally formed, and Joining Technology can beViscose glue, injection molding or hot melt etc..
After transportation system successfully discharges the first interventional medical device, intervened when needing to convey second to predetermined positionWhen medical instrument, step S3 is executed, i.e., is separated the female connector 22 of the quick union component 2 with pin end 23, by the public affairsConnector 23 and the preceding outer sheath 10 being connected with the pin end 23 reside in current location, by the female connector 22 and instituteState that female connector 22 is connected it is described after outer sheath 11 and said inner tube component 12 withdraw together until said inner tube component 12 fromIt withdraws from the preceding outer sheath, is formed in the pin end and the preceding outer sheath 10 being connected with the pin end 23 completelyReserved sheath tube passage.
Wherein, conveying second interventional medical device can be for balloon expandable, or other using angiography catheter etc.Subsequent step.
In the step S3, to avoid damage of the inner tube assembly 12 to vascular wall when recalling transportation system, first by inner tubeComponent 12 is recycled in preceding outer sheath 10 again, then the part for needing to recall in transportation system is recalled together.In the present embodiment,Specifically, referring to FIG. 3, user to pin infusion pipe connections 201 on the other hand motionless, press control button 220 on the other hand, while to remoteEnd is axially moveable connector base 222 and Handleset 3, separates the female connector 22 with pin end 23, front and back outer sheath is justSeparation, at this time can unclamp control button 220.
Wherein, to distally withdrawing connector base 222 and Handleset 3, until the conical head of 12 proximal end of inner tube assembly is from public affairsThe distal end of connector 23 is extracted, and guiding wire is only retained, and the lumen of preceding outer sheath 10 and the cavity of pin end 23 are common at this timeA reserved sheath tube passage is formd, is provided for subsequent operation and ready-made enters paths.
Specifically, step S3 mainly considers to need the case where repeatedly conveying interventional medical device to lesion locations, it is contemplated thatWhen repeatedly conveying interventional medical device using existing transportation system, need to will cause vascular wall into blood vessel approach repeatedlyDamage, the application in response to this problem, be provided in outer sheath it is removable be divided into two-part quick union component 2, in subsequent needWhen conveying interventional medical device again, it is only necessary to by the female connector 22 of current transportation system, be connected with the female connector 22 afterAfter outer sheath 11 and inner tube assembly 12 withdraw from the lesion locations of patient, the current delivery system of patient's lesion locations is resided at this timeCavity in the pin end 23 of system and the preceding outer sheath 10 being connected with the pin end 23 can import new delivery system to be subsequentSystem prepares ready-made channel (i.e. reserved sheath tube passage), and the ready-made channel without opening up again, it is only necessary to logical along reserved sheathRoad imports, and avoids the damage that transportation system enters vascular wall caused by blood vessel repeatedly.
Then, step S4 is executed, the delivery system for being mounted with the second interventional medical device is imported along the reserved sheath tube passageSystem, and by the pin end 23 ' of the transportation system for being mounted with the second interventional medical device and reside in the current locationPin end 23 is connected by the engaging member to match.As shown in figure 5, the transportation system of the second interventional medical deviceQuick union component includes pin end 23 ', female connector 22 ', and the pin end 23 ' includes sub- connector 20 ' and adapter 21 ', instituteTo state female connector 22 ' include control button 220 ' and connector base 222 ' etc., due to the transportation system of the second interventional medical deviceQuick union component is identical as the structure of quick union component of the transportation system of the first interventional medical device, the second intervention medical treatmentThe quick union component specific structure of the transportation system of instrument does not do excessive repeat in combination with content shown in Fig. 3 here.
Specifically, passing through the defeated of rear importing to preferably fix the position of the two of the transportation system successively importedSend the outer wall of the second binding end of pin end 23 ' of system structure (such as external screw thread 200 or card slot) and the public access that first importsThe engaging member of first 23 the first binding end inner wall setting to match with the outer wall of the second binding end of the pin end 23 '(such as internal screw thread 210 or convex grain 210 '), which cooperates, locks.
Then, step S5 is executed, the handle group of the transportation system by being mounted with the second interventional medical device described in controlPart withdraws the corresponding outer sheath and the quick union component together until second interventional medical device is from describedIt is released in outer sheath.
Then, step S6 is executed according to actual needs, executes step S3~S5 repeatedly until no longer needing to defeated to predetermined positionWhen sending interventional medical device, control the Handleset 3 of transportation system that finally imports by all quick union components and it is all withThe connected delivery conduit of the quick union component is withdrawn together.
To sum up, in quick union component provided by the present invention, transportation system and its application method, in transportation systemAdd quick union component, the both ends of quick union component are connected with preceding outer sheath and rear outer sheath respectively, when need repeatedly toWhen predetermined position conveys interventional medical device, it will be used to load and discharge the pin end of the transportation system of the first interventional medical deviceAnd the preceding outer sheath being connected with pin end resides in predetermined position, the rear outer sheath that is connected by female connector, with female connector and interiorTube assembly is withdrawn together, until inner tube assembly is withdrawn from completely from preceding outer sheath, pin end and the preceding epitheca being connected with pin endReserved sheath tube passage is formed in pipe, to import the transportation system for being mounted with the second interventional medical device along reserved sheath tube passage,The conveying for realizing multiple interventional medical device avoids needing delivery system when conveying multiple interventional medical devices to predetermined positionSystem enters blood vessel approach the problem of causing the damage of vascular wall repeatedly, reduces the blood loss of patient, saved operating time andSurgery cost.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hairAny change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claimsRange.