CN206403898U - Stent mould and support process equipment - Google Patents
Stent mould and support process equipment Download PDFInfo
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- CN206403898U CN206403898U CN201620948264.4U CN201620948264U CN206403898U CN 206403898 U CN206403898 U CN 206403898U CN 201620948264 U CN201620948264 U CN 201620948264U CN 206403898 U CN206403898 U CN 206403898U
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- support
- mould
- installation position
- main body
- stent
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Abstract
This disclosure relates to a kind of Stent mould and support process equipment, the Stent mould includes main pipe (201), it is formed with the main pipe for multiple installation positions (202) corresponding with the inflexion point of support to be woven, the mould also includes the mounting pin (203) for being used to be removably mounted on the installation position.So, in braided support, mounting pin (203) need to be only arranged on installation position (202) and cause wire to weave the supporting structure that can obtain final demand around mounting pin successively, the support after braiding can now be shaped, then mounting pin is disassembled, the support for weaving completion can be removed stand-by from main pipe (201), overall process is simple to operate.
Description
Technical field
This disclosure relates to which intravascular stent manufactures field, in particular it relates to a kind of mould manufactured for intravascular stent and branch
Frame process equipment.
Background technology
With the continuous development of scientific technology, the intravascular all kinds of main artery overlay film frames for repairing arotic disease increasingly increase
It is many.Overlay film frame refers to coating special film material (polytetrafluoroethylene (PTFE), terylene, polyester, polyurethane second on metallic support
Ester etc.) support.Overlay film therein plays a part of artificial blood vessel so that blood flow is oriented in each vessel branch, and support is then played
The effect of radial support and grappling overlay film.Overlay film frame had both remained the function of metallic support, the characteristic with film material.
In the prior art, it is typically that one layer of photoresist is applied on an electrically conductive tiny cylindrical metal rod, then
It is placed into photo etched mask of the cylinder with scaffold pattern (such as net-like pattern) and exposes, net form scaffold pattern is transferred to gold
Belong on rod, then gold is electroplated onto on the pattern, with caustic solution by metal bar erosion removal, it is with net-shaped to be left
Proof gold support.This existing intravascular stent is big to the consumption of metal bar, and processing mode complex procedures, not only causes
The waste of raw material, even more wastes time and energy.In addition, still being had using the intravascular stent made by the method for this plating transfer
Internal stress, causes the poor compliance of support, and support is easily caused during bending and is caved in, blood vessel is damaged.
Utility model content
The purpose of the disclosure is to provide a kind of Stent mould, and the mould facilitates Stent, it is easy to control support shape
State and size.
To achieve these goals, the disclosure provides a kind of Stent mould, and the mould includes main body tube, the main body
Be formed with the side wall of pipe for multiple installation positions corresponding with the inflexion point of support to be woven, the mould also include be used for can
Releasably it is arranged on multiple mounting pins on the installation position.
Alternatively, the installation position is formed by forming the mounting hole on the wall of the main body tube side.
Alternatively, the mounting hole is screwed hole, and the mounting pin coordinates with the screwed hole screw thread.
Alternatively, the multiple installation position is axially disposed multi-turn, and the installation position in often enclosing is circumferentially spaced to be set
Put.
Alternatively, the multiple installation position along the hand of spiral arranged for interval on the main body tube.
Alternatively, the multiple installation position in often enclosing is set at equal intervals, and the installation position in adjacent turn is along axle
Set to alignment and at equal intervals.
Alternatively, the main body tube is isometrical pipe, and the external diameter of the isometrical pipe is 24mm-46mm.
Alternatively, the main body tube is metal tube.
Alternatively, the metal tube is stainless steel tube.
The disclosure also provides a kind of support process equipment, including mould as described above, and for mould will to be woven in
On the Equipment for Heating Processing shaped of support.
The technical scheme provided by the disclosure, mounting pin in braided support, need to be only arranged on installation position and made
Obtain wire to weave around mounting pin successively, you can obtain the supporting structure of final demand, can now enter the support after braiding
Row sizing, then disassembles mounting pin, you can the support for weaving completion is removed into stand-by from main pipe (201), overall process
It is simple to operate..
Other feature and advantage of the disclosure will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute a part for specification, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute limitation of this disclosure.In the accompanying drawings：
Fig. 1 is the structural representation for the Stent mould that the utility model preferred embodiment is provided；
Fig. 2 is the A-A directions sectional view for the Stent die drawing 1 that the utility model preferred embodiment is provided；
Fig. 3 is the first preferred embodiment structure of the main body tube of the Stent mould provided according to the utility model
Schematic diagram；
Fig. 4 is the B- of the first preferred embodiment of the main body tube of the Stent mould provided according to the utility model
B directions sectional view；
Fig. 5 is second of preferred embodiment structure of the main body tube of the Stent mould provided according to the utility model
Schematic diagram；
Fig. 6 is the C- of second of preferred embodiment of the main body tube of the Stent mould provided according to the utility model
C directions sectional view；
Description of reference numerals
The installation position of 201 main body tube 202
203 mounting pins
Embodiment
It is described in detail below in conjunction with accompanying drawing embodiment of this disclosure.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
As shown in Figure 1 to Figure 2, the utility model provides a kind of Stent mould, the mould include main body tube 201 and
What is formed on the side wall of the main body tube is used for multiple installation positions 202 corresponding with the inflexion point of support to be woven, in addition, the mould
Tool also includes the multiple mounting pins 203 for being used to be removably mounted on these installation positions.By provided by the utility model
Stent mould, can determine the position of each installation position, so that compilation process according to the shape of support to be woven
More convenience and high-efficiency.Simultaneously as the freedom of installation position arrangement, can carry out a variety of support forms by the mould
Design and fabrication.In this way, the actual conditions that can be applied according to support to be woven, progress, which has, targetedly to be set
Meter is with making, so as to improve the stickiness between support and blood vessel, it is ensured that the use of intravascular stent and therapeutic effect.
In the utility model, the shape for the installation position 202 being not intended to limit on the side wall of main body tube 201.Preferably,
In the present embodiment, these installation positions 202 are formed by forming the mounting hole on the side wall of main body tube 201.Wherein more preferably
Ground, these mounting holes are screwed hole, and mounting pin 203 coordinates with these screwed hole screw threads.It is firm firm that the characteristics of screwed hole, is,
It is readily disassembled, ensure that efficient and braiding the precision and reliability of braiding flow.In other embodiments, installation position
It may be formed as the structure of the clamping mounting pin such as neck.
For support to be worked out, its shape is usually the waveform along overlay film frame circumference, and according to actual conditions,
The waveform also has corresponding change.In the utility model, the installation position on the side wall of main body tube 201 is not intended to limit
202 position, its position distribution is set according to the corresponding position of inflexion point of support to be woven.
As shown in Figure 3 and Figure 4, in the first preferred embodiment of main body tube 201 of the present utility model, positioned at main body
Installation position 202 on the side wall of pipe 201 is axially disposed, and is provided with multi-turn, often enclose in these installation positions 202 circumferentially between
Every setting.It is highly preferred that axially align and set at equal intervals between installation position 202, it is equally circumferentially spaced.Due to this arrangement side
It is axially equidistant between installation position 202 set by formula, it is circumferentially-spaced equidistant, therefore it is more beneficial for establishment sine wave or and sine wave
The support of the waveform in similar regular cycle, the supporting structure that knits out it is stable there is provided support force it is more uniform.
As shown in Figure 5 and Figure 6, in second of preferred embodiment of main body tube 201 of the present utility model, positioned at main body
Installation position 202 on the side wall of pipe 201 arranged for interval on the main body tube 201 along the hand of spiral.Preferably, the edge of installation position 202
The setting at equal intervals of the hand of spiral.Because interval of the installation position 202 along the hand of spiral set by this arrangement is equidistant, therefore
It is more beneficial for working out the support of the gentle sine wave of waveform or the waveform in the regular cycle similar to sine wave.
By the mode that support to be worked out is applied is usually to be connected to form overlay film frame or as blood vessel branch with overlay film
Frame is directly applied among clinical operation, support to be worked out usually pipe, it is therefore preferred that the utility model is provided
Mould main body tube 201 be isometrical pipe.It is highly preferred that the outside dimension of the isometrical pipe should be controlled in 24mm-46mm
In the range of.Thus can preferably fit be employed blood vessel or overlay film.
In the prior art, because made support is without Overheating Treatment, thus cause to be applied to endovascular support
Inside still there is internal stress, causes the poor compliance of support, support is easily caused during bending and is caved in, blood vessel is damaged.Therefore,
Support is heat-treated, the application effect of support can be improved by eliminating internal stress, improve curative effect.
As described above, being heat-treated for ease of the support to knitting forming, internal stress is eliminated, it is preferable that this practicality is new
The main body tube 201 for the mould that type is provided is metal tube.It is highly preferred that the metal tube is stainless steel tube.Due to knitting forming
Support is generally made up of multiple spaced corrugated gaskets, and due to being employed in the blood vessel, to cause support size itself very
It is small, the surface area with very little.In heat treatment process, it is made up of metal material, the branch being especially made up of stainless steel material
Frame weaves mould, and heat treatment process can be carried out together with the support of knitting forming, and single without being carried out to small-sized support
Solely processing.On the one hand, simplify technological process so that heat treatment process is simple to operation, on the other hand, also increase to support
The success rate being heat-treated, will not be difficult to operate and lead to the failure, it is thus possible to be cost-effective, carry because of stent size is too small
High efficiency.
In the utility model, a kind of support process equipment, including Stent mould described above are additionally provided, with
And the Equipment for Heating Processing for the support being woven on mould to be shaped, it is fixed so as to which woven support is carried out into heat
Type.
To sum up, the utility model introduce a kind of mould for braided blood vessel stent and it is a kind of include the mould and
The support process equipment of Equipment for Heating Processing.The mounting hole site provided by the utility model on mould can be according to branch to be woven
The shape of frame is arbitrarily set, thus can guarantee that support strut after form, and improve braid efficiency and precision.Meanwhile, this reality
The effect to support thermal finalization and heat treatment is ensure that with metal tube used in new preferred embodiment, the suitable of support is improved
Answering property and roundness, make it preferably be fitted with blood vessel, reduce risk, and convenient elimination internal stress, add support
Therapeutic effect.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of Stent mould, it is characterised in that the mould is included on main body tube (201), the side wall of the main body tube
It is formed with for multiple installation positions (202) corresponding with the inflexion point of support to be woven, the mould also includes being used for detachably
Ground is arranged on multiple mounting pins (203) on the installation position.
2. Stent mould according to claim 1, it is characterised in that the installation position (202) is by forming described
Mounting hole on the wall of main body tube (201) side is formed.
3. Stent mould according to claim 2, it is characterised in that the mounting hole is screwed hole, the installation
(203) are sold with the screwed hole screw thread to coordinate.
4. the Stent mould according to any one in claim 1-3, it is characterised in that the multiple installation position
(202) it is axially disposed to have multi-turn, the circumferentially spaced setting in the installation position in often enclosing.
5. the Stent mould according to any one in claim 1-3, it is characterised in that the multiple installation position
(202) along the hand of spiral on the main body tube arranged for interval.
6. Stent mould according to claim 4, it is characterised in that the multiple installation position (202) in often enclosing
Set at equal intervals, and the installation position (202) in adjacent turn is axially aligned and sets at equal intervals.
7. mould according to claim 1, it is characterised in that the main body tube (201) is isometrical pipe, the isometrical pipe
External diameter be 24mm-46mm.
8. the mould according to claim 1 or 7, it is characterised in that the main body tube (201) is metal tube.
9. mould according to claim 8, it is characterised in that the metal tube is stainless steel tube.
10. a kind of support process equipment, it is characterised in that including the mould according to any one in claim 1-9, with
And the Equipment for Heating Processing for the support being woven on mould to be shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948264.4U CN206403898U (en) | 2016-08-25 | 2016-08-25 | Stent mould and support process equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948264.4U CN206403898U (en) | 2016-08-25 | 2016-08-25 | Stent mould and support process equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206403898U true CN206403898U (en) | 2017-08-15 |
Family
ID=59547978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620948264.4U Active CN206403898U (en) | 2016-08-25 | 2016-08-25 | Stent mould and support process equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206403898U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624748A (en) * | 2018-06-28 | 2018-10-09 | 上海理工大学 | A kind of support ring shaping mould and its setting process |
| CN113397776A (en) * | 2021-06-22 | 2021-09-17 | 浦易(上海)生物技术股份有限公司 | Positioning tool, node fixing method, manufacturing method and woven support |
| CN116687625A (en) * | 2023-08-08 | 2023-09-05 | 上海心纪元医疗科技有限公司 | Bracket for polymer valve and manufacturing method thereof |
-
2016
- 2016-08-25 CN CN201620948264.4U patent/CN206403898U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624748A (en) * | 2018-06-28 | 2018-10-09 | 上海理工大学 | A kind of support ring shaping mould and its setting process |
| CN108624748B (en) * | 2018-06-28 | 2023-08-04 | 上海理工大学 | Support ring shaping die and shaping method thereof |
| CN113397776A (en) * | 2021-06-22 | 2021-09-17 | 浦易(上海)生物技术股份有限公司 | Positioning tool, node fixing method, manufacturing method and woven support |
| CN116687625A (en) * | 2023-08-08 | 2023-09-05 | 上海心纪元医疗科技有限公司 | Bracket for polymer valve and manufacturing method thereof |
| CN116687625B (en) * | 2023-08-08 | 2023-11-03 | 上海心纪元医疗科技有限公司 | Bracket for polymer valve and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171117 Address after: 100086 Beijing city Haidian District Qingyun aromatic garden Ting Building No. 9 room 2006 20 Tsing Wun contemporary building No. 115 Patentee after: Beijing Tianyou source investment partnership (limited partnership) Address before: 100027 Beijing City, Dongcheng District No. 40 East Street, building 2, No. 301 Patentee before: BEIJING CHIRON VENTURES CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180111 Address after: In Beijing economic and Technological Development Zone, two street 100176 Daxing District 8 Beijing City Hospital No. 4 Building B block 6 layer 602 unit Patentee after: Beijing Tianzhu Ruichang Medical Technology Co., Ltd. Address before: 100086 Beijing city Haidian District Qingyun aromatic garden Ting Building No. 9 room 2006 20 Tsing Wun contemporary building No. 115 Patentee before: Beijing Tianyou source investment partnership (limited partnership) |
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| TR01 | Transfer of patent right |