CN106264782B - Overlay film frame - Google Patents
Overlay film frame Download PDFInfo
- Publication number
- CN106264782B CN106264782B CN201610729857.6A CN201610729857A CN106264782B CN 106264782 B CN106264782 B CN 106264782B CN 201610729857 A CN201610729857 A CN 201610729857A CN 106264782 B CN106264782 B CN 106264782B
- Authority
- CN
- China
- Prior art keywords
- overlay film
- support ring
- film frame
- distal end
- wave crest
- 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.)
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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
-
- 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
- A61F2002/075—Stent-grafts the stent being loosely attached to the graft material, e.g. by stitching
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/005—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using adhesives
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0058—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements soldered or brazed or welded
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
Landscapes
- Health & Medical Sciences (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
This disclosure relates to a kind of overlay film frame, including overlay film (201) and the bracket (202) being set in outside the overlay film, the bracket includes the support ring (203) with multiple axially spaced settings, the proximal part of at least one support ring (203) is bonded the outer surface of the overlay film (201), outwardly tilting of the distal end from the overlay film (201).Therefore the frictional force of bracket (202) and blood vessel wall pieces can be made to increase by the distal end that support ring (203) tilt, to be easier to be anchored on predetermined position, substantially reduces the displacement risk under blood flow impact.
Description
Technical field
The present invention relates to overlay film frame fields, and in particular, to a kind of overlay film frame that support ring distal end tilts.
Background technique
With the continuous development of science and technology, the intravascular all kinds of main artery overlay film frames for repairing arotic disease increasingly increase
It is more.Overlay film frame refers to coating special film property material (polytetrafluoroethylene (PTFE), terylene, polyester, polyurethane second on metallic support
Ester etc.) bracket.Overlay film therein plays the role of artificial blood vessel so that blood flow to be oriented in each vessel branch, and bracket then plays
Radial support and the effect for being anchored overlay film.Overlay film frame had not only remained the function of metallic support, but also the characteristic with film property material.
In the prior art, bracket and overlay film are complete sutures or Nian Jie, and bracket integrally be bonded and overlay film surface, active
Arteries and veins overlay film frame in vivo with it is arterial vascular wriggling and blood flow impact under, can lead to the problem of following:
1, displacement is also easy to produce between overlay film frame and blood vessel, so that ineffective result even in other blood vessel blockages.For
It avoids bracket from generating displacement, often selects longer head end anchor region, increase bracket radial support power, increase on bracket
Add the methods of hangnail, however these methods can cause to damage to blood vessel again；
2, when being bent, the stickiness between overlay film frame and blood vessel is reduced, and is led to the pressure increase of vascular wall, is caused to blood
The damage of pipe；
3, it when being bent excessive, easily leads to overlay film frame and collapses, so as to cause occurring interior leakage in overlay film, influence therapeutic effect.
Therefore it provides a kind of at least solve the problems, such as that a kind of above-mentioned overlay film frame has positive effect.
Summary of the invention
Purpose of this disclosure is to provide a kind of overlay film frame, the stability of the overlay film frame in the blood vessels is good.
To achieve the goals above, the disclosure provides a kind of overlay film frame, including overlay film and the branch being set in outside the overlay film
Frame, the bracket include the support ring with multiple axially spaced settings, the proximal part fitting of at least one support ring
The outer surface of the overlay film, outwardly tilting of the distal end from the overlay film.
Optionally, the distal end of the support ring is 3-5 ° relative to the angle of the overlay film tilted axially outward.
Optionally, the support ring includes the free segment positioned at the linkage section of proximal part and positioned at distal end, the connection
Section is connected with the overlay film, and the free segment is not attached to simultaneously tilt outward with the overlay film.
Optionally, the linkage section and the free segment connect along axial direction, the axial direction of the linkage section and the free segment
Length ratio is 1:1-2:1.
Optionally, the support ring is corrugated gasket, and the proximal part of the support ring is formed by the wave crest of the corrugated gasket, institute
Support ring distal end is stated to be formed by the trough adjacent with the wave crest.
Optionally, the wave crest sutures or Nian Jie with the overlay film.
Optionally, suture is arranged between the overlay film respectively in the top of the wave crest and sloped sides, is located at slope
On the suture close to the top and about the top be symmetrical arranged.
Optionally, the adjacent wave crest by same root suture be connected, the suture be sequentially connected slope described in side,
Slope described in the top and the other side.
Optionally, the overlay film frame is aorta tectorial membrane stent.
By the way that the distal end of support ring is tilted design, enable to overlay film frame under the impact of blood flow, it is easier to anchor
It is scheduled on predetermined position, displacement risk is reduced, increases the therapeutic effect using overlay film frame.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the overlay film frame structural schematic diagram that the preferred embodiment for the present invention provides；
Fig. 2 is the structural schematic diagram that the overlay film frame that the preferred embodiment for the present invention provides is in bending state.
Description of symbols
201 overlay film, 202 bracket
203 support rings
2021 free segment, 2022 linkage section
2031 wave crest, 2032 trough
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
As shown in Figure 1 to Figure 2, the present invention provides a kind of overlay film frames, including overlay film 201 and are set in outside the overlay film
Bracket 202, the bracket include the support ring 203 with multiple axially spaced settings.It is wherein in the prior art in order to solve
Problem, the support ring 203 of overlay film frame provided by the invention further include positioned at the linkage section 2022 of proximal part and positioned at distal end
Free segment 2021, wherein the linkage section 2022 of support ring proximal part is connected with the outer surface of overlay film 201, the freedom of distal end
Section 2021 and the outer surface of overlay film 201 are not attached to.
In this way, on the one hand can simplify Joining Technology since support ring and overlay film frame use half-connection mode, it is another
Aspect can be slightly far from overlay film surface, thus convenient and intravascular since the free segment positioned at distal end is not by the constraint of overlay film
Portion increases frictional force.Enable to overlay film frame under the impact of blood flow, it is easier to be anchored on predetermined position, reduce displacement wind
Danger, increases the therapeutic effect using overlay film frame.In addition, distal end is not constrained by overlay film, can prevent curved in overlay film frame
Qu Shi, overlay film recess, specifically can be seen that the overlay film positioned at bending section not by the higher of bracket from the bending section in Fig. 2
Rigidity effects, so that the blood flow in overlay film frame is more unobstructed, therapeutic effect is more preferable.
Further, it in intravascular stent provided by the invention, is covered described in the proximal part fitting of at least one support ring 203
The outer surface of film 201, outwardly tilting of the distal end from the overlay film 201.In this way, the distal end by realizing support ring
It is tilted from overlay film surface, the structure of similar train of dress is formed, to further increase the frictional force with blood vessel.It should be noted that
The feature tilted outward is not only above-mentioned using in half-connection mode, the further improvement of free segment, and other can
In the embodiment of energy, using other modes the rear end of support ring can also be tilted independent of above-mentioned half-connection mode.
This is same within the scope of the present invention.
In further embodiment of the invention, at least one linkage section 2022 of overlay film frame is fitted in overlay film 201
Outer surface, and free segment 2021 utilizes the free segment for not needing to connect with overlay film from the outwardly tilting of overlay film 201
The distal end of support ring is tilted, to form skirt structure.In this way, blood flow is by the nearly heart when overlay film frame is implanted blood vessel
The linkage section 2022 at end flows to distal end free segment 2021.Under the action of blood flow impact force, between bracket 202 and vascular wall
Frictional force increases, to be easier to be anchored on predetermined position.
In the present embodiment, axially outward tilting of the distal end of support ring 203 relative to overlay film 201, but due to blood
Pipe can bear that pressure is limited, which should not be too large, and blood vessel otherwise can also be injured, it is preferred that the tilting angle
It is 3-5 °.
Wherein, the linkage section 2022 in support ring 203 and free segment 2021 connect along axial direction, to guarantee the suitable of overlay film frame
Ying Xing and reduces damage to blood vessel with the laminating degree of blood vessel in the bent state, it is preferable that in support ring 203
The ratio between axial length of linkage section 2022 and free segment 2021 is 1:1-2:1, i.e., linkage section accounts for about affiliated support ring axial length
1/2-2/3.
As shown in Figure 1 to Figure 2, the support ring 203 in overlay film frame provided by the present invention is multiple axially spaced
The proximal part of the corrugated gasket of setting, the support ring 203 is made of the wave crest 2031 of each corrugated gasket, and distal end is adjacent by the wave crest
Trough 2032 formation.Corrugated gasket can provide the support force of larger area by less material for overlay film.
In the present embodiment, the wave crest 2031 in the support ring 203 in overlay film frame is connected with overlay film 201, thus
Guarantee the connection of proximal part and overlay film, and trough is then connected with overlay film, to realize in a manner of above-mentioned half-connection.In order to guarantee overlay film
The stability of bracket and facilitate manufacture, it is preferable that wave crest 2031 with the connection type of overlay film 201 is suture or Nian Jie, specifically
It can be sutured using suture.
When carrying out suture connection, suture is set between overlay film 201 respectively at the top of wave crest 2031 and sloped sides
Line, also, the suture being located in sloped sides is symmetrical arranged close at the top of wave crest and about the top, to guarantee support ring
Each proximal part uniform force, guarantees the stability of overlay film frame.Preferably, it is stitched between adjacent peaks 2031 by same root
Zygonema is connected, which is sequentially connected side slope, top and other side slope, to guarantee to connect between overlay film 201 and bracket
The stability connect, i.e., same stented or even integral support only need a suture that the suture with overlay film both may be implemented.?
It, can also be using modes such as bonding, welding in other embodiments.
Preferably, the overlay film frame in the present invention is aorta tectorial membrane stent.Wherein, overlay film provided by the invention can be used
The high molecular material hot pressing that PTFE etc. can be implanted into human body forms, for the various modifications of the size, specification and material of overlay film etc.
Mode is all fallen in protection scope of the present invention.
To sum up, the present invention introduces the overlay film frame for aorta and its connection type used, this can make
Overlay film frame is easier to be anchored on predetermined position, reduce displacement risk, while ensure that the compliance of overlay film frame, make its with
Blood vessel is preferably bonded, and is reduced interior leakage and the risk to injury of blood vessel, is increased the therapeutic effect using overlay film frame.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, 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 to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (6)
1. a kind of overlay film frame, including overlay film (201) and the bracket (202) being set in outside the overlay film, the bracket includes having
The support ring (203) of multiple axially spaced settings, which is characterized in that the proximal part of at least one support ring (203) pastes
Close the outer surface of the overlay film (201), outwardly tilting of the distal end from the overlay film (201), the support ring (203)
Distal end relative to the overlay film (201) the angle tilted axially outward be 3-5 °, the support ring (203) be waveform
The proximal part of ring, the support ring (203) is formed by the wave crest (2031) of the corrugated gasket, support ring (203) distal end
Formed by the trough (2032) adjacent with the wave crest, the support ring (203) include positioned at proximal part linkage section (2022) and
Positioned at the free segment (2021) of distal end, the linkage section (2022) is connected with the overlay film (201), the free segment (2021)
It is not attached to simultaneously tilt outward with the overlay film (201).
2. overlay film frame according to claim 1, which is characterized in that the linkage section (2022) and the free segment
(2021) connect along axial direction, the ratio between axial length of the linkage section (2022) and the free segment (2021) is 1:1-2:1.
3. overlay film frame according to claim 1, which is characterized in that the wave crest (2031) and the overlay film (201) are stitched
It closes or is bonded.
4. overlay film frame according to claim 3, which is characterized in that the top of the wave crest (2031) and sloped sides point
Suture is not set between the overlay film (201), the suture on slope is close to the top and about described
Top is symmetrical arranged.
5. overlay film frame according to claim 4, which is characterized in that the adjacent wave crest (2031) is sutured by same root
Line is connected, which is sequentially connected slope described in slope described in side, the top and the other side.
6. overlay film frame according to claim 1, which is characterized in that the overlay film frame is aorta tectorial membrane stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610729857.6A CN106264782B (en) | 2016-08-25 | 2016-08-25 | Overlay film frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610729857.6A CN106264782B (en) | 2016-08-25 | 2016-08-25 | Overlay film frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106264782A CN106264782A (en) | 2017-01-04 |
| CN106264782B true CN106264782B (en) | 2019-04-26 |
Family
ID=57676500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610729857.6A Active CN106264782B (en) | 2016-08-25 | 2016-08-25 | Overlay film frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106264782B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550085B (en) * | 2018-11-20 | 2021-09-14 | 山东瑞安泰医疗技术有限公司 | Support sleeve for treating intravascular injury hemorrhage and preparation method thereof |
| CN113081386B (en) * | 2019-12-23 | 2023-09-19 | 先健科技(深圳)有限公司 | Tectorial membrane support |
| CN115363819B (en) * | 2022-10-27 | 2023-01-31 | 北京华脉泰科医疗器械股份有限公司 | Covered stent and preparation method thereof |
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| CN2635119Y (en) * | 2003-07-25 | 2004-08-25 | 微创医疗器械(上海)有限公司 | Artificial blood vessel having support |
| CN2724662Y (en) * | 2004-08-17 | 2005-09-14 | 微创医疗器械(上海)有限公司 | Combination and bent at all ldirection type stent with coating |
| CN102100587A (en) * | 2009-12-18 | 2011-06-22 | 微创医疗器械(上海)有限公司 | Blood vessel bracket prosthesis |
| CN105726164A (en) * | 2016-03-18 | 2016-07-06 | 唯强医疗科技（上海）有限公司 | Plastic covered aortic dissection stent and aortic dissection stent |
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| US20050070992A1 (en) * | 2001-11-28 | 2005-03-31 | Aptus Endosystems, Inc. | Prosthesis systems and methods sized and configured for the receipt and retention of fasteners |
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| CN2710576Y (en) * | 2004-03-10 | 2005-07-20 | 杨大智 | Laser curved 'quasi sine' tube type nickel titanium alloy support |
| CN100352406C (en) * | 2004-08-17 | 2007-12-05 | 微创医疗器械(上海)有限公司 | Combined membrane-covered stent capable of being bent in any direction |
| US20090163951A1 (en) * | 2007-12-19 | 2009-06-25 | Sara Simmons | Medical devices including sutures with filaments comprising naturally derived collagenous material |
| US9839542B2 (en) * | 2011-04-19 | 2017-12-12 | Medtronic Ardian Luxembourg S.A.R.L. | Mobile external coupling for branch vessel connection |
| CN202875531U (en) * | 2012-10-16 | 2013-04-17 | 高峰 | Artificial blood vessel for exclusion treatment inside aortic aneurysm cavity |
| CN103932821A (en) * | 2014-04-08 | 2014-07-23 | 许尚栋 | Covered stent |
| CN203915146U (en) * | 2014-04-08 | 2014-11-05 | 许尚栋 | Overlay film frame |
| CN204033540U (en) * | 2014-08-29 | 2014-12-24 | 张学民 | Segment combined type support type artifical vascular |
| CN206403890U (en) * | 2016-08-25 | 2017-08-15 | 北京奇伦天佑创业投资有限公司 | Overlay film frame |
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2016
- 2016-08-25 CN CN201610729857.6A patent/CN106264782B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2635119Y (en) * | 2003-07-25 | 2004-08-25 | 微创医疗器械(上海)有限公司 | Artificial blood vessel having support |
| CN2724662Y (en) * | 2004-08-17 | 2005-09-14 | 微创医疗器械(上海)有限公司 | Combination and bent at all ldirection type stent with coating |
| CN102100587A (en) * | 2009-12-18 | 2011-06-22 | 微创医疗器械(上海)有限公司 | Blood vessel bracket prosthesis |
| CN105726164A (en) * | 2016-03-18 | 2016-07-06 | 唯强医疗科技（上海）有限公司 | Plastic covered aortic dissection stent and aortic dissection stent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106264782A (en) | 2017-01-04 |
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Effective date of registration: 20171201 Address after: In Beijing economic and Technological Development Zone, two street 100176 Beijing City Hospital No. 8 Building No. 4, block B floor 6 unit 602 Applicant after: Beijing Tianzhu Ruichang Medical Technology Co., Ltd. Address before: 100027 Beijing City, Dongcheng District No. 40 East Street, building 2, No. 301 Applicant before: BEIJING CHIRON VENTURES CO., LTD. |
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