CN208371964U - Gradation type bracket - Google Patents

Gradation type bracket Download PDF

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Publication number
CN208371964U
CN208371964U CN201720835822.0U CN201720835822U CN208371964U CN 208371964 U CN208371964 U CN 208371964U CN 201720835822 U CN201720835822 U CN 201720835822U CN 208371964 U CN208371964 U CN 208371964U
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CN
China
Prior art keywords
sacculus
tube
pipe
tail portion
type bracket
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.)
Expired - Fee Related
Application number
CN201720835822.0U
Other languages
Chinese (zh)
Inventor
许嘉鸿
喻溥蛟
解元
汤宇
刘洋
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.)
Shanghai Tongji Hospital
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Shanghai Tongji Hospital
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 Shanghai Tongji Hospital filed Critical Shanghai Tongji Hospital
Priority to CN201720835822.0U priority Critical patent/CN208371964U/en
Application granted granted Critical
Publication of CN208371964U publication Critical patent/CN208371964U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of gradation type bracket and sacculus dilating catheters, it is made of gradation type bracket and sacculus dilating catheter, gradation type bracket is that circular platform type is latticed, and sacculus dilating catheter is made of sacculus, far ultraviolet pipe, inner tube, connecting tube, the nearly outer tube of stainless steel, diffusion-induced stress pipe and connector.It is circular platform type that sacculus both ends, which are among pyramid type, and head connect tail portion with inner tube and connect with far ultraviolet pipe.Inner tube runs through the hollow cavity of sacculus and far ultraviolet pipe, and tail portion connect with cinclides edge seal, and surface sets that there are two development points.Far ultraviolet pipe tail portion is connected with connecting tube, and connecting tube tail portion outer tube close with stainless steel connects.The nearly outer tube tail portion of stainless steel is connected with diffusion-induced stress pipe, is set on intermediate tube face there are two mark point.Diffusion-induced stress tube head is connected with connector.Its advantage is shown: it is simple structure and reasonable design, easy to use, the probability and overdistension or bad equal operation risks of expansion of coronary restenosis are reduced, the elastic force of bracket is moderate to damage coronary artery.

Description

Gradation type bracket
Technical field
The utility model relates to the field of medical instrument technology, specifically, being a kind of gradation type bracket.
Background technique
Percutaneous transluminal coronary stent grafting procedure is one of the prefered method of interventional therapy coronary heart disease coronary artery stenosis, mould It imitates anatomical features coronarius and its physilogical characteristics is the final goal of researching and designing bracket, anatomy nearly or completely And it is peak demand to coronary artery bracket that function assessment is bionical.Currently, it is either domestic or external, on the market still without a kind of The morphosis of frame can be accomplished nearly or completely bionical in anatomical structure.
In Stent, the blood vessel of different tube diameters need to select the bracket of corresponding caliber.It is clinically common at present to prop up Frame is the self-consistent cylinder of caliber form, and coronary artery caliber is proximally to distal end tapers down, especially in the presence of The narrow patient of coronary artery diffusivity, closer to cone in anatomical structure.In face of mostly using implantation multiple when such patient The method of short bracket can increase operation duration and difficulty to a certain extent, and expense is high;Such as long stent is applied alone to be treated, It then needs to face coronary artery proximal end and has big difference to distal end caliber, the case where bracket caliber can not be consistent with coronary artery caliber, hold Situations such as easily causing coronary artery overdistension or bad expansion, increases operation risk and difficulty, also there is higher Stent The probability of coronary restenosis afterwards.
Chinese patent literature: CN2592193 discloses a kind of improved coronary artery saccule dilating scaffold, belongs to a kind of use It is a branch in cylindrical shape structure in the balloon expandable stent of the percutaneous transluminal coronary angioplasty of interventional therapeutic technique Frame, the cradle wall are latticed hollow out wall, it is characterised in that bracket is end-around mesh;One end grid of bracket entirety is Single circuit grid lines, another end grid are double loop grid lines;Connected between each grid by the grid lines of Z-shaped It connects.Chinese patent literature: CN2376312 discloses a kind of one scaffold tube of sacculus of percutaneous coronary balloon dilatation, Structure is to add one layer of conduit again in the outside of PTCA foley's tube, and be slightly shorter than internal layer sacculus position in the end of outer conductor and set Set bracket sacculus.Chinese patent literature: CN2423898 discloses a kind of percutaneous transluminal coronary angioplasty balloon expandable and leads Pipe, including a sacculus, an inner tube run through sacculus, and the intermediate position build-in of inner tube has a development point, the distal end of inner tube in sacculus Portion is placed through the top that conduit is formed except balloon distal, and the close end of inner tube passes through a far ultraviolet pipe, a nearly outer tube and a diffusion Stress tube is connect with a connection piece, its main feature is that, a ultra-soft end is equipped on the top of sacculus dilating catheter.But it is practical about this Novel gradation type bracket yet there are no report.
Summary of the invention
The purpose of this utility model is to provide a kind of gradation type bracket and sacculus dilating catheter.
To achieve the above object, the technical scheme adopted by the utility model is that: a kind of gradual change for coronary artery expansion Type bracket and sacculus dilating catheter, the gradation type bracket and sacculus dilating catheter are by gradation type bracket and sacculus dilating catheter Composition, the gradation type bracket are circular platform type of the proximal end to distal end tapers down, and the gradation type bracket is latticed engraves Empty wall;The sacculus dilating catheter is by sacculus, far ultraviolet pipe, inner tube, connecting tube, the nearly outer tube of stainless steel, diffusion-induced stress pipe and company Fitting composition;The balloon distal and proximal end is pyramid type, centre for by the circular platform type of proximal end to distal end tapers down, institute The sacculus head stated is tightly connected with inner tube, tail portion and the far ultraviolet seal of tube are connect;The inner tube is through sacculus and far ultraviolet pipe Hollow cavity forms double cavity structure with sacculus and far ultraviolet pipe;The interior tube head is connected with the head seal of sacculus, and tail portion is from even Cinclides on adapter tube is pierced by and connects with cinclides edge seal;Develop point there are two setting on the pipe face of the inner tube;Described Far ultraviolet pipe tail portion is connected with connecting tube, head is connected with sacculus tail portion;The connecting tube head connects with far ultraviolet pipe, tail portion and The nearly outer tube connection of stainless steel, the connecting tube pipe face are equipped with a cinclides, and the cinclides edge and inner tube are tightly connected; The nearly outer tube tail portion of the stainless steel is connected with diffusion-induced stress pipe, there are two the nearly outer tube of the stainless steel is set on intermediate tube face Mark point;The diffusion-induced stress tube head is connected with connector, tail portion outer tube close with stainless steel connects;The connector head Portion is connected with diffusion-induced stress pipe, tail portion opening.
The inside of the inner tube can pass through seal wire.
The utility model advantage is:
1, the gradation type supporting structure of the utility model is simple, design is reasonable, practical, easy to use.
2, the gradation type bracket of the utility model is in circular platform type, and proximal end to distal end tapers down more meets coronarius Physiological structure has reached with the consistent requirement of the remote proximal inner diameter of coronary artery when handling diffusivity Long lesion, has reduced coronary artery Overdistension expands bad equal operation risks, reduces the probability of operating difficulty and the postoperative coronary restenosis of stenter to implant.
3, the elastic force of the gradation type bracket of the utility model is moderate to damage coronary artery.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of a kind of gradation type bracket and sacculus dilating catheter.
Attached drawing 2 is the combination schematic diagram of a kind of gradation type bracket and sacculus.
Attached drawing 3 is the combination schematic diagram of a kind of gradation type bracket and sacculus.
Specific embodiment
The utility model is further described below with reference to embodiment and referring to attached drawing.
Appended drawing reference involved in attached drawing and component part are as follows:
1, sacculus
2, gradation type bracket
3, inner tube
31, develop point
4, far ultraviolet pipe
5, connecting tube
51, cinclides
6, the nearly outer tube of stainless steel
61, mark point
7, diffusion-induced stress pipe
8, connector
Embodiment 1
Please refer to attached drawing 1, attached drawing 2, attached drawing 1 is the signal of a kind of gradation type bracket and sacculus dilating catheter of the present embodiment Figure, attached drawing 2 is the combination schematic diagram of a kind of the gradation type bracket and sacculus of the present embodiment.
The gradation type bracket and sacculus dilating catheter is made of gradation type bracket 2 and sacculus dilating catheter, described Gradation type bracket 2 is circular platform type of the proximal end to distal end tapers down, and the gradation type bracket 2 is latticed hollow out wall.It is described Sacculus dilating catheter by sacculus 1, far ultraviolet pipe 4, inner tube 3, connecting tube 5, the nearly outer tube 6 of stainless steel, diffusion-induced stress pipe 7 and connector 8 compositions.
The sacculus 1 is proximally and distally pyramid type, centre for by the circular platform type of proximal end to distal end tapers down, institute The head for the sacculus 1 stated and inner tube are tightly connected, and tail portion and far ultraviolet pipe 4 are tightly connected.
The inner tube 3 runs through the hollow cavity of sacculus 1 and far ultraviolet pipe 4, forms double cavity structure with sacculus 1 and far ultraviolet pipe 4;Institute 3 head of inner tube stated is connected with the head seal of sacculus 1, and tail portion is pierced by from the cinclides 51 in connecting tube 5 and 51 edge of cinclides and It is tightly connected;Development point 31 there are two being set on the pipe face of the inner tube 3.
4 tail portion of far ultraviolet pipe and the connection of connecting tube 5, head are connected with 1 tail portion of sacculus;5 head of connecting tube Outer tube 6 close with the connection of far ultraviolet pipe 4, tail portion and stainless steel connects, and the connecting tube 5 is equipped with a cinclides 51, the wall 51 edge of hole and inner tube 3 are tightly connected;Nearly 6 tail portion of outer tube of the stainless steel and diffusion-induced stress pipe 7 connect, the stainless steel Nearly outer tube 6 sets that there are two mark points 61 on intermediate tube face;7 tail portion of diffusion-induced stress pipe and connector 8 connection, head and The nearly outer tube 6 of stainless steel connects;8 head of connector and diffusion-induced stress pipe 7 connect, tail portion opening.
The gradation type bracket 2 is close to inside sacculus 1.
The inside of the inner tube 3 can pass through seal wire.
Embodiment 2
Please refer to attached drawing 1, attached drawing 3, attached drawing 1 is the signal of a kind of gradation type bracket and sacculus dilating catheter of the present embodiment Figure, attached drawing 3 is the combination schematic diagram of a kind of the gradation type bracket and sacculus of the present embodiment.
The gradation type bracket and sacculus dilating catheter is made of gradation type bracket 2 and sacculus dilating catheter, described Gradation type bracket 2 is pyramid type of the proximal end to distal end tapers down, and the gradation type bracket 2 is latticed hollow out wall;It is described Sacculus dilating catheter by sacculus 1, far ultraviolet pipe 4, inner tube 3, connecting tube 5, the nearly outer tube 6 of stainless steel, diffusion-induced stress pipe 7 and connector 8 compositions.
The sacculus 1 is the pyramid type by proximal end to distal end tapers down, the head of the sacculus 1 and the interior seal of tube Connection, tail portion and far ultraviolet pipe 4 are tightly connected.
The inner tube 3 runs through the hollow cavity of sacculus 1 and far ultraviolet pipe 4, forms double cavity structure with sacculus 1 and far ultraviolet pipe 4;Institute 3 head of inner tube stated is connected with the head seal of sacculus 1, and tail portion is pierced by from the cinclides 51 above connecting tube 5 and 51 side of cinclides and Edge is tightly connected;Development point 31 there are two being set on the pipe face of the inner tube 3.
4 tail portion of far ultraviolet pipe and the connection of connecting tube 5, head are connected with 1 tail portion of sacculus;5 head of connecting tube Outer tube 6 close with the connection of far ultraviolet pipe 4, tail portion and stainless steel connects, and the 5 pipe face of connecting tube is equipped with a cinclides 51, described 51 edge of cinclides and inner tube 3 be tightly connected;Nearly 6 tail portion of outer tube of the stainless steel and diffusion-induced stress pipe 7 connect, it is described not The nearly outer tube 6 of rust steel sets that there are two mark points 61 on intermediate tube face;7 tail portion of diffusion-induced stress pipe and the connection of connector 8, head Portion and nearly outer 6 connection of stainless steel;8 head of connector and diffusion-induced stress pipe 7 connect, tail portion opening.
The gradation type bracket 2 is close to inside sacculus 1.
The inside of the inner tube 3 can pass through seal wire.
Embodiment 3
Please refer to attached drawing 1, attached drawing 2, attached drawing 1 is the signal of a kind of gradation type bracket and sacculus dilating catheter of the present embodiment Figure, attached drawing 2 is the combination schematic diagram of a kind of the gradation type bracket and sacculus of the present embodiment.
The gradation type bracket and sacculus dilating catheter is made of gradation type bracket 2 and sacculus dilating catheter, described Gradation type bracket 2 is circular platform type of the proximal end to distal end tapers down, and the sacculus dilating catheter is by sacculus 1, far ultraviolet pipe 4, interior The nearly outer tube 6 of pipe 3, connecting tube 5, stainless steel, diffusion-induced stress pipe 7 and connector 8 form.
The gradation type bracket 2 is the circular platform type by proximal end to distal end tapers down, according to coronary artery physiological structure It designs, two development points 31 in inner tube can be used as reference by location when Stent.When handling diffusivity Long lesion, The gradation type bracket 2 is under the cooperation of corresponding gradation type foley's tube, to be implanted into the identical mode of operation implantation of single long stent Lesion vessels share overdistension easy to operate, and not will cause distal vessels relative to multiple brackets.
The gradation type bracket and sacculus dilating catheter, including sacculus 1, the far ultraviolet pipe 4 and ball that are connected with sacculus 1 Inner tube 3 in capsule 1, far ultraviolet pipe 4 are connected by the outer tube 6 close with stainless steel of connecting tube 5 outward, and control ball by connector 8 Capsule 1 forms an entirety.It is in circular platform type of the proximal end to distal end tapers down in the middle part of sacculus 1, seal wire can be passed through inside inner tube 3. The elastic force of the gradation type bracket 2 is moderate to damage coronary artery.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art Art personnel can also make several improvement and supplement without departing from the principle of this utility model, these are improved and supplement Also it should be regarded as the protection scope of the utility model.

Claims (2)

1. a kind of gradation type bracket and sacculus dilating catheter for coronary artery expansion, which is characterized in that the gradation type Bracket and sacculus dilating catheter are made of gradation type bracket and sacculus dilating catheter, and the gradation type bracket is proximal end to distal end The circular platform type being tapered, the gradation type bracket are latticed hollow out wall;The sacculus dilating catheter is by sacculus, far ultraviolet The nearly outer tube of pipe, inner tube, connecting tube, stainless steel, diffusion-induced stress pipe and connector composition;The balloon distal and proximal end is circle It is tapered, intermediate for by the circular platform type of proximal end to distal end tapers down, the sacculus head and inner tube be tightly connected, tail portion and remote Outer tube is tightly connected;The inner tube runs through the hollow cavity of sacculus and far ultraviolet pipe, forms double cavity structure with sacculus and far ultraviolet pipe;Institute The interior tube head stated is connected with the head seal of sacculus, and tail portion is pierced by from the cinclides in connecting tube and connects with cinclides edge seal It connects;Develop point there are two setting on the pipe face of the inner tube;The far ultraviolet pipe tail portion connects with connecting tube, head and sacculus tail Portion's connection;The connecting tube head is connected with far ultraviolet pipe, tail portion outer tube close with stainless steel connects, on the connecting tube pipe face Equipped with a cinclides, the cinclides edge and inner tube are tightly connected;The nearly outer tube tail portion of the stainless steel and diffusion-induced stress pipe Connection, the nearly outer tube of the stainless steel are set on intermediate tube face there are two mark point;The diffusion-induced stress tube head and connection Part connection, tail portion outer tube close with stainless steel connect;The connector head is connected with diffusion-induced stress pipe, tail portion opening.
2. gradation type bracket according to claim 1 and sacculus dilating catheter, which is characterized in that the inside of the inner tube Seal wire can be passed through.
CN201720835822.0U 2017-07-11 2017-07-11 Gradation type bracket Expired - Fee Related CN208371964U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720835822.0U CN208371964U (en) 2017-07-11 2017-07-11 Gradation type bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720835822.0U CN208371964U (en) 2017-07-11 2017-07-11 Gradation type bracket

Publications (1)

Publication Number Publication Date
CN208371964U true CN208371964U (en) 2019-01-15

Family

ID=64977651

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720835822.0U Expired - Fee Related CN208371964U (en) 2017-07-11 2017-07-11 Gradation type bracket

Country Status (1)

Country Link
CN (1) CN208371964U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190115