CN102525698A - Interposed medical appliance delivery and release device - Google Patents

Interposed medical appliance delivery and release device Download PDF

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Publication number
CN102525698A
CN102525698A CN2010106204521A CN201010620452A CN102525698A CN 102525698 A CN102525698 A CN 102525698A CN 2010106204521 A CN2010106204521 A CN 2010106204521A CN 201010620452 A CN201010620452 A CN 201010620452A CN 102525698 A CN102525698 A CN 102525698A
Authority
CN
China
Prior art keywords
pipe
epitheca
tube
far
interior
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010106204521A
Other languages
Chinese (zh)
Inventor
谢志永
刘亚杰
赵振心
朱佳英
王森
金巧蓉
罗七一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minimally invasive medical technology (Shanghai) Co., Ltd.
Original Assignee
Microport Medical Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microport Medical Shanghai Co Ltd filed Critical Microport Medical Shanghai Co Ltd
Priority to CN2010106204521A priority Critical patent/CN102525698A/en
Priority to PCT/CN2011/078271 priority patent/WO2012088888A1/en
Publication of CN102525698A publication Critical patent/CN102525698A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/962Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
    • A61F2/966Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06Body-piercing guide needles or the like
    • A61M25/0662Guide tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M2025/0004Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09Guide wires

Abstract

The invention discloses an interposed medical appliance delivery and release device, which comprises an outer sheathing tube, a middle tube and an inner tube, wherein the inner tube, the middle tube and the outer sheathing tube are sequentially distributed from inside to outside; a through hole is arranged in a wall of the outer sheathing tube; a groove is arranged in the middle tube; a side tube is arranged on the inner tube; the side tube penetrates through the groove in the middle tube and is fixedly connected with the through hole in the outer sheathing tube; and the side tube is communicated with the through hole. When the interposed medical appliance delivery and release device is used, after a guide wire enters from the distal end of the inner tube, the guide wire not only can come out from the proximal end of the inner tube, but also can come out from the side tube. Thus, the interposed medical appliance delivery and release device has the advantages of a coaxial type delivery and release device, also has the advantages of a rapid exchange type delivery and release device, and can also be rapidly switched over between the two types according to practical needs, so that the time for an operation is saved, and meanwhile, the success rate of the operation is increased.

Description

A kind of interventional medical device is carried and releasing device
Technical field
The application relates to technical field of medical instruments, particularly relates to a kind of interventional medical device and carries and releasing device.
Background technology
Interventional medical device is emerging in recent years medical device technology, in the wound that reduces patient, improves the disease therapeuticing effect aspect and plays important effect.For example: be applied in the various intraluminal intervention apparatus of human body, like intravascular stent, biliary tract rack, esophageal stents appear, intestinal support, ductus pancreaticus support, urethra rack or trachea bracket or the like.Wherein, support is especially outstanding in the performance in interventional medical device field.When operation, support is transported to the obstruction diseased region of blood vessel through conveying and releasing device, and then discharges support, utilize support to expand the blood vessel that blocks is strutted, so that the blood vessel that blocks maintenance is unimpeded.
At present; Slits and releasing device mainly contain two kinds of structures: coaxial-type conveying and releasing device and quick exchange formula are carried and releasing device, and wherein: the guidewire lumen in coaxial-type conveying and the releasing device runs through whole device, in use; Seal wire is penetrated by far-end and is passed by near-end; Coaxial-type is carried and releasing device has the stronger ability of passing through the vascular lesion position, but is to use inconvenience, usually needs 3 meters long prolongation seal wire and often needs 2-3 operator's ability complete operation; And the quick exchange formula carry with releasing device in guidewire lumen shorter, guidewire lumen is usually by being about 20-40cm from head end, and from the sidewall opening of conveying and releasing device; In use, seal wire is penetrated by head end, is passed by the opening on the sidewall; Only need 2 meters seal wires; The single complete operation that gets final product, but its ability through the vascular lesion position is slightly poor, causes operative failure easily.
Through to prior art research, the applicant finds: if there are several to block diseased region in patient's the blood vessel, if adopt this moment coaxial-type to carry and releasing device merely, operation technique is loaded down with trivial details, and is consuming time longer; If adopt the quick exchange formula to carry and releasing device merely, though simple to operate, increased the probability of operative failure.Therefore need badly a kind of can be with two kinds of slits and the releasing device device of uniting.
Summary of the invention
In view of this; The application embodiment provides a kind of interventional medical device to carry and releasing device; Between inner tubal wall and epitheca tube wall, be provided with side pipe, coaxial-type conveying and releasing device and the conveying of quick exchange formula and releasing device combined realizing, can also between two kinds of forms, switch in use; Save operating time, improved success rate of operation simultaneously.
To achieve these goals, the technical scheme that provides of the application embodiment is following:
A kind of interventional medical device is carried and releasing device, comprising: epitheca pipe, middle pipe and interior pipe, wherein:
Pipe, middle pipe and epitheca pipe distribute from inside to outside successively in said;
Said epitheca tube wall is provided with through hole, said in pipe be provided with groove, said in pipe be provided with side pipe, said side pipe pass said in groove and the through hole on the said epitheca pipe on the pipe be connected to a fixed, and said side pipe is connected with through hole.
Preferably, it is inner that the far-end of said middle pipe is positioned at said epitheca pipe, and the far-end of said interior pipe stretches out said epitheca pipe.
Preferably, the distance of the said epitheca pipe far-end of said through hole distance is at 100mm-500mm.
Preferably, this device further comprises: the lining core be arranged in said pipe, and the far-end of said lining core is positioned at the inner opening place of said pipe.
Preferably, the head end of said lining core is a wedge structure, and the gradient on said wedge structure inclined-plane equates with angle between said side pipe axis and the interior tube's axis.
Preferably, this device further comprises: apical ring is arranged in the far-end of said pipe.
Preferably, this device further comprises: head end, be fixed on said in the pipe stretch out said epitheca pipe the position, and and said epitheca pipe between be provided with the slit.
Preferably, this device further comprises: the boosting bar fixes with said middle near-end of managing.
Preferably, the end of said boosting bar is provided with handle, and said handle end is provided with locking device, is used for said lining core is locked with the boosting bar mutually.
Preferably, this device further comprises: Y-valve, said Y-valve is connected with said epitheca pipe through connector, and its near-end can lock and seal with said boosting bar mutually.
Preferably, said epitheca pipe is macromolecular material pipe or braided wires reinforced pipe.
Preferably, the material of said middle pipe, interior pipe and side pipe is a macromolecular material.
Preferably, the material of said lining core is metal or macromolecular material.
Preferably, said macromolecular material comprises polyethers-amino block copolymer resin, nylon resin, polyimide resin, polyurethane, gathers in politef and the polyether-ether-ketone one or more.
Preferably, said metal material comprises rustless steel, Nitinol or titanium alloy.
Visible by above present technique scheme; In this interventional medical device conveying and releasing device that application embodiment provides; Middle pipe is provided with elongated slot, between epitheca pipe and interior pipe, is provided with side pipe, and side pipe passes the elongated slot on the middle pipe; Be that epitheca pipe and interior pipe are fixed together, epitheca pipe and interior pipe can seesaw with respect to middle pipe.This interventional medical device carry with releasing device in use, after the far-end entering of seal wire by interior pipe, seal wire not only can be passed by the near-end of interior pipe, but also can be by passing in the side pipe.And when seal wire was passed by the near-end of interior pipe, seal wire was coaxial distribution with interior pipe, so just can be so that this interventional medical device is carried and releasing device has stronger ride-through capability; When seal wire passed in by side pipe, this interventional medical device is carried with releasing device had only a bit of being through on the seal wire, and resistance is less, can be so that this interventional medical device conveying and releasing device advance along seal wire apace.
So this interventional medical device conveying and releasing device that the application embodiment provides not only have the advantage of coaxial-type conveying and releasing device; The advantage that also has conveying of quick exchange formula and releasing device; And can be according to the practical situation needs; Between these two kinds of forms, switch fast, saved operating time, improved success rate of operation simultaneously.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of interventional medical device conveying that Fig. 1 provides for the application embodiment one and the broken section structural representation of releasing device;
The interventional medical device conveying that Fig. 2 provides for the application embodiment one and the use sketch map of releasing device;
A kind of interventional medical device conveying that Fig. 3 provides for the application embodiment two and the broken section structural representation of releasing device;
A kind of interventional medical device conveying that Fig. 4 provides for the application embodiment three and the broken section structural representation of releasing device.
The specific embodiment
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one:
A kind of interventional medical device conveying that Fig. 1 provides for the application embodiment one and the broken section structural representation of releasing device.
As shown in Figure 1; This intervention apparatus is carried with releasing device and is comprised: epitheca pipe 1, middle pipe 2 and interior pipe 3, wherein: interior pipe 3, middle pipe 2 and epitheca pipe 1 distribution successively from inside to outside, and can move each other between interior pipe 3, middle pipe 2 and the epitheca pipe 1; Middle pipe is provided with elongated slot 6; And between epitheca pipe 1 wall and interior pipe 3 walls, be provided with side pipe 5, side pipe 5 passes elongated slot 6, the far-end of pipe 2 during apical ring 4 is fixed on.
Epitheca pipe 1 wall is provided with through hole 101, and in the application embodiment, the optimum seeking site of through hole 101 is arranged near epitheca pipe 1 far-end 100mm-500mm place.Middle pipe 2 is positioned at epitheca pipe 1 inside; Its external diameter is less than the internal diameter of epitheca pipe 1; And the far-end of middle pipe 2 is positioned at epitheca pipe 1 inside; Be to be provided with reserved location between epitheca pipe 1 far-end and middle pipe 2 far-ends, middle in addition pipe 2 is provided with and the corresponding to elongated slot 6 of axis direction, and the length of elongated slot 6 is greater than the length between epitheca pipe 1 far-end and middle pipe 2 far-ends.
Interior pipe 3 is arranged in pipe 2 inside, and its external diameter is less than the internal diameter of middle pipe 2, and the far-end of interior pipe 3 is positioned at the outside of epitheca pipe 1.Interior pipe 3 is provided with side pipe 5, and the elongated slot 6 of pipe on 2 was connected with through hole on the epitheca pipe 1 and fixes during side pipe 5 passed, and interior pipe 3 inside are connected with epitheca pipe 1 outside.In addition, the distance of the far-end of the inner opening of side pipe 5 and epitheca pipe 1 is less than the distance of outer opening (being through hole 101) Yu epitheca pipe 1 far-end of interior pipe 5, and promptly the bearing of trend from inner opening to outer opening of side pipe 5 is towards the near-end of this intervention apparatus conveying and releasing device.
In the application embodiment, as shown in Figure 1, long-pending for pipe 2 distal cross section in improving, can also be provided with apical ring 4 at the far-end of middle pipe 2, and the internal diameter of apical ring 4 is greater than the external diameter of interior pipe 3, its external diameter is less than the internal diameter of epitheca pipe 1.Use apical ring 4, can be so that interventional medical device more stably be fixed on the reserved location place, and convenient when discharging interventional medical device is released the epitheca pipe.
In addition; In the application embodiment; Epitheca pipe 1, middle pipe 2, interior pipe 3 and side pipe 5 can adopt the macromolecular material pipe, and macromolecular material comprises polyethers-amino block copolymer resin, nylon resin, polyimide resin, polyurethane, gather in the materials such as politef, polyether-ether-ketone one or more.After adopting macromolecular material, this interventional medical device is carried and releasing device has certain elasticity, and can be crooked, also has certain intensity simultaneously, can in human vas, move, and can not cause damage to blood vessel.Epitheca pipe 1 can also adopt the braided wires reinforced pipe as required in addition; The braided wires reinforced pipe is generally formed by three layers; Comprise: internal layer, skin and mesh grid enhancement Layer; Wherein: and internal layer and outer field material pass the mesh of mesh grid enhancement Layer and the mesh grid enhancement Layer closely wrapped up, and internal layer and skin all are macromolecular material, in addition.The braided wires of described mesh grid enhancement Layer can be tinsel or HMLS fiber type long filament, and described fiber filament can comprise PFY, polypropylene filament yarn, Tynex, chinlon, carbon fiber etc.
In the application embodiment; Interventional medical device is meant the various intraluminal supports of human body that are applied to well known to those of ordinary skill in the art, including, but not limited to biliary tract rack, esophageal stents appear, intestinal support, ductus pancreaticus support, urethra rack or trachea bracket.Before this interventional medical device conveying that use the application embodiment provides and releasing device are carried; Need be with being placed on the reserved location place between epitheca pipe 1 far-end and middle pipe 2 far-ends after support 7 compressions; Support 7 since self elasticity be close on the inwall of epitheca pipe 1; As shown in Figure 2, the support after the compression is 7.
When carrying, at first seal wire 8 is penetrated in the blood vessel of pathological changes, then the far-end of interior pipe 3 tail end by seal wire 8 is penetrated, the complexity that diseased region is passed in the blood vessel is as required then selected the position that passes with seal wire 8.The difficulty that diseased region in blood vessel is passed is bigger; Selection passes the end of seal wire by interior pipe 3; This moment, seal wire 8 distributed for coaxial-type with interior pipe 3, was difficult to the diseased region that passed in the blood vessel so this this interventional medical device conveying and releasing device can pass like a cork.The difficulty that diseased region in blood vessel is passed is less, then with seal wire 8 by passing in the side pipe 5, at this moment this interventional medical device carries that to pass seal wire 8 length shorter with releasing device, resistance is less, so can pass blood vessel fast.
In addition when clinical practice is operated, the operation technique person can also be earlier with seal wire 8 by passing in the side pipe 5, when running into the lesions that can't pass, extract this device out human body again, again with seal wire 8 by interior pipe 3 near-end pass.The person can be according to actual needs to be the operation technique, rapid adjustment seal wire 8 pass the position, between coaxial-type and quick exchange formula dual mode, switch, practice thrift operating time.
At last when support 7 is carried put in place after, earlier that middle pipe 2 is fixing, then with epitheca pipe 1 together with interior pipe 2 and side pipe 5 to recession.Because support 7 is close to the inwall of epitheca pipe 1 under self elastic effect, so when recalling epitheca pipe 1 backward, support 7 can return together and remove, the apical ring 4 of pipe 2 far-ends then can eject epitheca pipe 1 by reserved location with support 7 in being fixed on.When discharging, rationally control the withdrawal speed of epitheca pipe 1, just can realize support 7 accurately and equably is discharged in body cavities or the blood vessel.
Embodiment two:
In the application embodiment, when needs passed seal wire 8 from side pipe 5, in order to make that seal wire 8 is easier to from side pipe 5, pass, this interventional medical device was carried and releasing device can also comprise lining core 9.
As shown in Figure 3, a kind of interventional medical device that provides for the application embodiment two is carried the broken section structural representation with releasing device, among the figure, serves as a contrast core 9 between the near-end of side pipe 5 inner openings and interior pipe 3, and its diameter is less than the internal diameter of interior pipe 3.When needs pass seal wire 8 in by side pipe 5; The near-end of lining core 9 by interior pipe 3 penetrated in the inner chamber; And make its front end arrive the inner opening place of side pipe 5; When seal wire 8 penetrated the position that arrives side pipe 5 inner openings by the far-end of interior pipe 3 like this, lining core 9 just can be so that in the seal wire 8 entering side pipes, and was as shown in Figure 3.In the application embodiment, for convenient seal wire 8 by passing in the side pipe 5, the front end of lining core 9 is preferably wedge structure, and the domatic gradient of wedge structure be preferably with side pipe 5 axis and interior pipe 3 axis between angle identical.In addition, the material of lining core 9 adopts the macromolecular material identical with epitheca pipe 1, middle pipe 2 or interior pipe 3, makes lining core 9 to carry and releasing device bending together along with this interventional medical device, and the material that serves as a contrast core 9 in addition can also be tinsel.
Embodiment three:
A kind of interventional medical device conveying that Fig. 4 provides for the application embodiment three and the broken section structural representation of releasing device.
As shown in Figure 4; This interventional medical device is carried and releasing device also comprises: head end 10; Head end 10 is fixed on the outer wall near the interior pipe 3 of epitheca pipe 1 far-end; The diameter of head end 10 is greater than the external diameter of epitheca pipe 1, and the material of head end 10 adopts macromolecular material, comprises polyethers-amino block copolymer resin, nylon resin, polyurethane, gathers in the material such as politef one or more.The purpose that head end 10 is set is for fear of in course of conveying, injured blood vessel wall when epitheca pipe 1 moves along seal wire 8.
As shown in Figure 4, this interventional medical device is carried and releasing device also comprises: boosting bar 11, boosting bar 11 are fixed on the near-end of middle pipe 2, and are provided with handle 12 at boosting bar 11 ends.The effect of boosting bar 11 is, when in discharging the support process, recalling epitheca pipe 1 backward, and the transmission of the person's power that makes things convenient for the operation technique.Also be provided with locking device 13 in back in addition, be used for locking lining core 9, make the head end of lining core 9 can be fixed on the inner opening place of side pipe 5 at handle 12.
As shown in Figure 4, this interventional medical device is carried and releasing device also comprises: Y-valve 14, Y-valve 14 are fixed on the near-end of epitheca pipe 1 through connector 15.The end of Y-valve 14 can lock and seal with boosting bar 11 mutually, and its effect is that boosting bar 11 is fixing, and boosting bar 11 is moved to avoid this to install before use.In the application embodiment, the distance between the near-end of handle 12 and Y-valve 14 is avoided handle 12 to hinder and is discharged support less than the length of elongated slot 6 on the middle pipe 2.
Visible by above present technique scheme; In this interventional medical device conveying and releasing device that application embodiment provides; Middle pipe is provided with elongated slot, between epitheca pipe and interior pipe, is provided with side pipe, and side pipe passes the elongated slot on the middle pipe; Be that epitheca pipe and interior pipe are fixed together, middle pipe then can seesaw with respect to epitheca pipe and interior pipe in the epitheca pipe.This interventional medical device carry with releasing device in use, after the far-end entering of seal wire by interior pipe, seal wire not only can be passed by the near-end of interior pipe, but also can be by passing in the side pipe.And when seal wire was passed by the near-end of interior pipe, seal wire was coaxial distribution with interior pipe, so just can be so that this interventional medical device is carried and releasing device has stronger ride-through capability; When seal wire passed in by side pipe, this interventional medical device is carried with releasing device had only a bit of being through on the seal wire, and resistance is less, can be so that this interventional medical device conveying and releasing device advance along seal wire apace.
So this interventional medical device conveying and releasing device that the application embodiment provides not only have the advantage of coaxial-type conveying and releasing device; The advantage that also has conveying of quick exchange formula and releasing device; And can be according to the practical situation needs; Between these two kinds of forms, switch fast, saved operating time, improved success rate of operation simultaneously.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the application or scope in other embodiments among this paper.Therefore, the application will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (15)

1. an interventional medical device is carried and releasing device, it is characterized in that, comprising: epitheca pipe, middle pipe and interior pipe, wherein:
Pipe, middle pipe and epitheca pipe distribute from inside to outside successively in said;
Said epitheca tube wall is provided with through hole, said in pipe be provided with groove, said in pipe be provided with side pipe, said side pipe pass said in groove and the through hole on the said epitheca pipe on the pipe be connected to a fixed, and said side pipe is connected with through hole.
2. device according to claim 1 is characterized in that, it is inner that the far-end of said middle pipe is positioned at said epitheca pipe, and the far-end of said interior pipe stretches out said epitheca pipe.
3. according to the said device of claim 2, it is characterized in that the distance of the said epitheca pipe far-end of said through hole distance is at 100mm-500mm.
4. device according to claim 1 is characterized in that, further comprises: apical ring is arranged in the far-end of said pipe.
5. according to the said device of claim 1, it is characterized in that, further comprise: the lining core be arranged in said pipe, and the far-end of said lining core is positioned at the inner opening place of said pipe.
6. according to the said device of claim 5, it is characterized in that the head end of said lining core is a wedge structure, the gradient on said wedge structure inclined-plane equates with angle between said side pipe axis and the interior tube's axis.
7. according to the said device of claim 1, it is characterized in that, further comprise: head end, be fixed on said in the pipe stretch out said epitheca pipe the position, and and said epitheca pipe between be provided with the slit.
8. according to the said device of claim 1, it is characterized in that, further comprise: the boosting bar fixes with said middle near-end of managing.
9. according to claim 5 and 8 said devices, it is characterized in that the end of said boosting bar is provided with handle, and said handle end is provided with locking device, is used for said lining core is locked with the boosting bar mutually.
10. said according to Claim 8 device is characterized in that, further comprises: Y-valve, said Y-valve is connected with said epitheca pipe through connector, and its near-end can lock and seal with said boosting bar mutually.
11., it is characterized in that said epitheca pipe is macromolecular material pipe or braided wires reinforced pipe according to the said device of claim 1.
12., it is characterized in that the material of said middle pipe, interior pipe and side pipe is a macromolecular material according to the said device of claim 1.
13., it is characterized in that the material of said lining core is metal or macromolecular material according to the said device of claim 5.
14., it is characterized in that said macromolecular material comprises polyethers-amino block copolymer resin, nylon resin, polyimide resin, polyurethane, gather in politef and the polyether-ether-ketone one or more according to claim 11,12 or 13 said devices.
15. device according to claim 13, said metal material comprises rustless steel, Nitinol or titanium alloy.
CN2010106204521A 2010-12-31 2010-12-31 Interposed medical appliance delivery and release device Pending CN102525698A (en)

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CN2010106204521A CN102525698A (en) 2010-12-31 2010-12-31 Interposed medical appliance delivery and release device
PCT/CN2011/078271 WO2012088888A1 (en) 2010-12-31 2011-08-11 Transporting and releasing device for medical intervention instruments

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Application Number Priority Date Filing Date Title
CN2010106204521A CN102525698A (en) 2010-12-31 2010-12-31 Interposed medical appliance delivery and release device

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CN105120807A (en) * 2013-03-13 2015-12-02 雅培心血管系统有限公司 Catheter having movable tubular structure
CN104224413A (en) * 2013-06-20 2014-12-24 上海翊科精密挤出技术有限公司 Esophageal stent conveying catheter
CN104665965A (en) * 2013-11-29 2015-06-03 赛诺医疗科学技术有限公司 Medical instrument release device and medical instrument release method
CN105193532A (en) * 2015-10-30 2015-12-30 加奇生物科技(上海)有限公司苏州分公司 Carotid artery stent system
WO2020043204A1 (en) * 2018-08-31 2020-03-05 上海微创心通医疗科技有限公司 Delivery device

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