CN106726004A - Vascular anastomosis support - Google Patents
Vascular anastomosis support Download PDFInfo
- Publication number
- CN106726004A CN106726004A CN201710080572.9A CN201710080572A CN106726004A CN 106726004 A CN106726004 A CN 106726004A CN 201710080572 A CN201710080572 A CN 201710080572A CN 106726004 A CN106726004 A CN 106726004A
- Authority
- CN
- China
- Prior art keywords
- support
- vascular anastomosis
- elastomeric fins
- elastic
- fins
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
Abstract
The invention discloses a kind of vascular anastomosis support, including tubular elastic support and the elastic membrane that is wrapped in outside elastic support, two elastomeric fins of outwardly convex are provided between the elastic support and elastic membrane, the elastomeric fins are annular in shape.Beneficial effects of the present invention：1st, vascular anastomosis support of the invention, can know the position that vascular anastomosis support is reached, therefore vascular anastomosis support of the invention can be accurately positioned at into vascular anastomosis position without imaging auxiliary by setting elastomeric fins with feel；2nd, vascular anastomosis support of the invention, the position and spacing on elastomeric fins elastic support are adjustable, so as to meet different blood vessel coincide the need for.
Description
Technical field
The present invention relates to a kind of vascular anastomosis support.
Background technology
It is (polytetrafluoroethylene (PTFE), terylene, poly- that overlay film frame (covered stnet) refers to being coated on metallic support special film material
Ester, polyurethane etc.) support, both remained the function of metallic support, and with the characteristic of film material.Carry out film branch
Frame is used for hemostasis during vascular anastomosis, carries out membrane support and can be used to stop blooding vascular anastomosis position in anastomosis of blood vessel, carries out
A kind of self-expanding stent in membrane support, self-expanding stent is manufactured under expansion state, is then reduced and is limited in induction system,
Be delivered to self-expanding stent at vascular anastomosis by induction system, and then self-expanding stent is discharged and rebounded from induction system
Expansion state, the self-expanding stent after expansion closes so as to reach the purpose of hemostasis the vascular wall of anastomosis, then enters promoting circulation of blood
Pipe coincide.Existing, (digital subtraction angiography is the bone on angiogram by computer in DSA to carry out membrane support needs
Eliminated with the image of soft tissue, a kind of camera work of prominent blood vessel only on the image film) blood can be just accurately positioned under auxiliary
Pipe anastomotic position, and on the premise of some do not possess DSA or other imaging means are aided in, shoe membrane support will be unable to be accurate to and reach
Vascular anastomosis position.
The content of the invention
In view of the shortcomings of the prior art, the technical problem to be solved in the present invention is to provide a kind of vascular anastomosis support,
Accurately vascular anastomosis position can be positioned under conditions of without imaging auxiliary.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of vascular anastomosis support, bag
The elastic support for including tubular and the elastic membrane being wrapped in outside elastic support, be provided between the elastic support and elastic membrane two to
The elastomeric fins of outer lug, the elastomeric fins are annular in shape.
Further, the coefficient of elasticity of the elastomeric fins is less than elastic support, and the elastomeric fins are in contraction state
Its bus is in linear with its diameter parallel, and its bus is in the semicircle of evagination after the elastomeric fins expansion.
Further, there are two seal wires through elastomeric fins, the elastomeric fins can be along leading on the elastic support
Silk is slided.
Further, the inwall of elastomeric fins is provided with elastic bridge, and pull bar is connected with the elastic bridge, and the elasticity is convex
In contraction state, the drag hook is separated rib with seal wire, and after the elastomeric fins expansion, the drag hook is tensed on seal wire.
Further, the elastic support is the network structure of stainless steel interlacing.
Beneficial effects of the present invention：
1st, vascular anastomosis support of the invention, can know that vascular anastomosis support is reached by setting elastomeric fins with feel
Position, therefore without imaging auxiliary can by vascular anastomosis support of the invention accurately be positioned at vascular anastomosis position
Put；
2nd, vascular anastomosis support of the invention, the position and spacing on elastomeric fins elastic support are adjustable, so as to meet not
The need for vascular anastomosis.
Brief description of the drawings
Fig. 1 is a kind of front view of vascular anastomosis support of the invention；
Fig. 2 is a kind of side view of vascular anastomosis support of the invention；
Fig. 3 is the connection diagram of the elastomeric fins in a kind of vascular anastomosis support of the invention and seal wire；
Fig. 4 is A portions zoomed-in view in Fig. 3；
Fig. 5 is B-B cutaway view Amplified images in Fig. 4.
Specific embodiment
For technological means, creation characteristic, reached purpose and effect for making present invention realization are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
Figure is referred to, the present invention provides a kind of technical scheme：A kind of vascular anastomosis support, including tubular elastic support 1
With the elastic membrane 2 being wrapped in outside elastic support 1, two elasticity of outwardly convex are provided between the elastic support 1 and elastic membrane 2
Fin 3, the elastomeric fins 3 are annular in shape.Elastic support 1 is a kind of self-expansion type support, is passed through by NiTi superelastic alloy light-wall pipe
Laser accurate engraving is crossed to be made and be woven into network structure.
Vascular anastomosis support is delivered to Ink vessel transfusing by conveyer, and the vascular anastomosis support with the part of elastomeric fins 3 is located at defeated
Send outside device, the elastic support 1 of the part is expanded outwardly, and elastic membrane 2 is contacted with blood vessel, and elastomeric fins 3 are outwardly formed blood vessel
The projection on surface, hand touches film vessel outer wall and can feel elastomeric fins 3, thus may determine that the position where vascular anastomosis support
Put, the position of elastic force fin is then adjusted so that vascular anastomosis support reaches required position by conveyer, then conveyer is thorough
Bottom discharges vascular anastomosis support, and vascular anastomosis support is accurately positioned at vascular anastomosis position.
In order that vascular anastomosis support can be smoothly contracted in conveyer conveyed in order to conveyer, elastomeric fins 3
Coefficient of elasticity be less than elastic support 1, the elastomeric fins 3 in contraction state in conveyer when, the bus of elastomeric fins 3
In the linear or near linear with its diameter parallel, when after the expansion of elastomeric fins 3 will blood vessel close when its bus
In the semicircle of evagination.Because the relative resilient support 1 of elastomeric fins 3 is outwardly, the resilience in comparison support 1 of elastomeric fins 3 shrinks
Required deflection is larger in conveyer, therefore, when the coefficient of elasticity of elastomeric fins 3 is less than elastic support 1, identical outer
Under power effect, elastomeric fins 3 can produce larger deformation, so as to ensure that elastomeric fins 3 can smoothly be contracted to conveyer
It is interior, and the coefficient of elasticity of elastomeric fins 3 when can make it in conveyer elastomeric fins 3 with conveyer inwall in linear contact lay, this
The outer tension force of sample elastomeric fins 3 can be uniformly distributed, it is to avoid produce stress concentration between elastomeric fins 3 and conveyer inwall, from
And elastomeric fins 3 more can smoothly be discharged from conveyer.
There is the diameter parallel of two seal wires 4 through elastomeric fins 3, seal wire 4 and elastic support 1, institute on elastic support 1
Stating elastomeric fins 3 can slide along seal wire 4.Elastomeric fins 3 be arranged on seal wire 4 after by seal wire 4 and the integrated woven of elastic support 1,
The position of elastomeric fins 3 and spacing can change, such that it is able to adapt to different blood vessel coincide the need for.
The hole passed through for seal wire 4 is provided with elastomeric fins 3, in order to ensure that elastomeric fins 3 can be moved along seal wire 4, elasticity
Thus there is the seal wire 4 when being contacted with blood vessel of elastomeric fins 3 and move for gap coordinates between hole and seal wire 4 on fin 3
And change in location is produced, so as to cause its positioning unstable, closing of the influence vascular anastomosis support to blood vessel is asked to solve this
Topic, the inwall of elastomeric fins 3 is provided with elastic bridge 5, and drag hook 6 is connected with the elastic bridge 5, and the elastomeric fins 3 are shrinking
During state, the drag hook 6 is within elastic support 1 and is separated with seal wire 4, and now elastomeric fins 3 can freely be moved along seal wire 4
It is dynamic, it is that after elastomeric fins 3 are contacted with blood vessel, elastic bridge 5 is outwards expanded with elastomeric fins 3, bullet after elastomeric fins 3 are expanded
Property bridge 5 be moved radially outward with respect to seal wire 4, drag hook 6 is tensed on seal wire 4, and such drag hook 6 is just determined elastomeric fins 3 are firm
On seal wire 4, elastomeric fins 3 cannot be moved arbitrarily.
General principle of the invention and principal character and advantages of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from it is of the invention spirit or
In the case of essential characteristic, the present invention can be in other specific forms realized.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and is nonrestrictive, and the scope of the present invention is by appended claims rather than above stating
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (5)
1. a kind of elastic support of vascular anastomosis support, including tubular and the elastic membrane being wrapped in outside elastic support, its feature exist
In：Two elastomeric fins of outwardly convex are provided between the elastic support and elastic membrane, the elastomeric fins are annular in shape.
2. vascular anastomosis support according to claim 1, it is characterised in that：The coefficient of elasticity of the elastomeric fins is less than bullet
Property support, the elastomeric fins in contraction state its bus in linear with its diameter parallel, the elastomeric fins expansion
Its bus is in the semicircle of evagination afterwards.
3. vascular anastomosis support according to claim 2, it is characterised in that：There are two on the elastic support and pass through bullet
The seal wire of property fin, the elastomeric fins can be slided along seal wire.
4. vascular anastomosis support according to claim 3, it is characterised in that：The inwall of elastomeric fins is provided with elastic bridge,
Pull bar is connected with the elastic bridge, in contraction state, the drag hook is separated the elastomeric fins with seal wire, and the elasticity is convex
After rib expansion, the drag hook is tensed on seal wire.
5. vascular anastomosis support according to claim 4, it is characterised in that：The elastic support is network structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710080572.9A CN106726004B (en) | 2017-02-15 | 2017-02-15 | Vascular anastomosis stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710080572.9A CN106726004B (en) | 2017-02-15 | 2017-02-15 | Vascular anastomosis stent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106726004A true CN106726004A (en) | 2017-05-31 |
| CN106726004B CN106726004B (en) | 2018-04-13 |
Family
ID=58957827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710080572.9A Expired - Fee Related CN106726004B (en) | 2017-02-15 | 2017-02-15 | Vascular anastomosis stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106726004B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0985424A1 (en) * | 1998-03-27 | 2000-03-15 | Kanji Inoue | Transplantation device |
| US20030201058A1 (en) * | 1995-03-10 | 2003-10-30 | Banas Christopher E. | Methods for making a supported graft |
| CN1564700A (en) * | 2001-09-12 | 2005-01-12 | 组织和器官股份公司 | Endoprosthesis |
| CN2925418Y (en) * | 2006-05-20 | 2007-07-25 | 张丽云 | Improved gullet stand |
| CN204318981U (en) * | 2014-12-12 | 2015-05-13 | 刘新锋 | A kind of intravascular stent |
| WO2015199289A1 (en) * | 2014-06-26 | 2015-12-30 | 주식회사 에스앤지바이오텍 | Stent having exterior path |
-
2017
- 2017-02-15 CN CN201710080572.9A patent/CN106726004B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030201058A1 (en) * | 1995-03-10 | 2003-10-30 | Banas Christopher E. | Methods for making a supported graft |
| EP0985424A1 (en) * | 1998-03-27 | 2000-03-15 | Kanji Inoue | Transplantation device |
| CN1564700A (en) * | 2001-09-12 | 2005-01-12 | 组织和器官股份公司 | Endoprosthesis |
| CN2925418Y (en) * | 2006-05-20 | 2007-07-25 | 张丽云 | Improved gullet stand |
| WO2015199289A1 (en) * | 2014-06-26 | 2015-12-30 | 주식회사 에스앤지바이오텍 | Stent having exterior path |
| CN204318981U (en) * | 2014-12-12 | 2015-05-13 | 刘新锋 | A kind of intravascular stent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106726004B (en) | 2018-04-13 |
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