CN208371964U - Gradation type bracket - Google Patents
Gradation type bracket Download PDFInfo
- 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
- Authority
- 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
Links
- 230000000916 dilatatory effect Effects 0.000 claims abstract description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 25
- 239000010935 stainless steel Substances 0.000 claims abstract description 25
- 238000009792 diffusion process Methods 0.000 claims abstract description 22
- 210000004351 coronary vessel Anatomy 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims description 5
- 201000000054 Coronary Restenosis Diseases 0.000 abstract description 3
- 206010056489 Coronary artery restenosis Diseases 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 19
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 210000003484 anatomy Anatomy 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 238000007887 coronary angioplasty Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- KKJUPNGICOCCDW-UHFFFAOYSA-N 7-N,N-Dimethylamino-1,2,3,4,5-pentathiocyclooctane Chemical compound CN(C)C1CSSSSSC1 KKJUPNGICOCCDW-UHFFFAOYSA-N 0.000 description 1
- 201000000057 Coronary Stenosis Diseases 0.000 description 1
- 206010011089 Coronary artery stenosis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000005077 saccule Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
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
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.
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) |
-
2017
- 2017-07-11 CN CN201720835822.0U patent/CN208371964U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 |