CN107510519A - Band film network - Google Patents
Band film network Download PDFInfo
- Publication number
- CN107510519A CN107510519A CN201710791230.8A CN201710791230A CN107510519A CN 107510519 A CN107510519 A CN 107510519A CN 201710791230 A CN201710791230 A CN 201710791230A CN 107510519 A CN107510519 A CN 107510519A
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- CN
- China
- Prior art keywords
- film
- wire body
- network
- wire
- 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
- A61F2/0077—Special surfaces of prostheses, e.g. for improving ingrowth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/16—Biologically active materials, e.g. therapeutic substances
-
- 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
- A61F2/0077—Special surfaces of prostheses, e.g. for improving ingrowth
- A61F2002/0081—Special surfaces of prostheses, e.g. for improving ingrowth directly machined on the prosthetic surface, e.g. holes, grooves
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/606—Coatings
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Transplantation (AREA)
- Epidemiology (AREA)
- Surgery (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention proposes a kind of band film network, including network and cover film on the outside of the network, the network is cylindrical, multiple micropores are distributed with the overlay film, the thickness of the overlay film is 10 μm 300 μm, the aperture of the micropore is 0.01 μm 50 μm, and porosity is 10% 95%.Film is covered in network outer surface by the band film network, and it is provided with micropore in overlay film, the overlay film of different pore size and different-thickness is set according to different situations, so as to strengthen the permeability of film, stimulation of the film to blood vessel is reduced, avoids that endothelialization delay occurs or advanced thrombus occurs, suppresses in-stent restenosis.
Description
Technical field
The present invention relates to a kind of medicine equipment, more particularly to a kind of band film network.
Background technology
Vascular puncture is one of complication rare but serious in couple interventional therapy operation, usually jeopardizes patient's life
Life.Hemangioma is also one of ill symptomses of serious threat patient vitals.Band membrane device tool can be carried out to perforation or hemangioma position
Convenient closure or covering, it is treatment vascular puncture and angiomatous preferred manner.
Preferable immediate effect can be obtained using band membrane device tool, keeps patient vitals.But apparatus overlay film can obstruct blood vessel
Wall contacts with blood flow, hinders endothelial cell proliferation, and causing endothelialization to postpone, serious, advanced thrombus incidence is high.Particularly with hat
Shape arteries, because blood vessel diameter is smaller, the overlay film of permeability difference persistently stimulates blood vessel, hinders endothelialization, serious late period
Thrombus in stents or late period in-stent restenosis cause great health problem.The band membrane device tool of domestic and international application is not expired
The Long-Term Clinical effect of meaning.
The content of the invention
The present invention proposes a kind of band film network, solves late period support caused by membrane permeability difference in the prior art
The problems such as interior thrombus and late period in-stent restenosis.
The technical proposal of the invention is realized in this way：
A kind of band film network, including network and film on the outside of the network is covered, the network is in
Cylindrical shape, multiple micropores are distributed with the film, the thickness of the film is 10 μm -300 μm, and the aperture of the micropore is 0.01 μm of -50 μ
M, porosity 10%-95%.
Preferred scheme is that the thickness of the film is 200 μm.
Preferred scheme is that the aperture of the micropore is 5 μm, porosity 45%.
Preferred scheme is that the material of the film is terylene, acrylic fibers, nylon, polyvinylidene chloride, polytetrafluoroethylene (PTFE), varicosity
One kind in polytetrafluoroethylene (PTFE), polyethylene, polypropylene, resin, polyvinyl chloride, polystyrene.
Preferred scheme is, the network include multiple parallel the first wire bodies set at equal intervals, it is multiple it is parallel etc. between
Every set and the second wire body for being arranged alternately with each first wire body and be connected at per the first adjacent wire body with the second wire body it
Between the 3rd wire body, each first wire body undulate bending extension along the vertical direction, and each crest and each trough difference flush,
The undulate bending extension, and each crest is concordant with each trough difference, the ripple of each second wire body along the vertical direction of each second wire body
The trough of peak two first wire bodies adjacent thereto is corresponding, the crest of the trough of each second wire body two first wire bodies adjacent thereto
Corresponding, each 3rd wire body is respectively the waveform with a crest and a trough in the horizontal direction, and from the first wire body to the
Two wire body directions are obliquely installed from top to bottom, the both ends of each 3rd wire body between same first wire body and the second wire body respectively with
The crest of first wire body and the connection of the trough of the second wire body, and two adjacent the up and down between same first wire body and the second wire body
The crest of one first wire body and the trough of the second wire body are spaced between three wire bodies.
Preferred scheme is a diameter of 1mm-30mm of the cylinder of the network.
Preferred scheme is that the length of the film is identical with the length of network or is shorter than the length of support.
Preferred scheme is that the film is located at the outside of network by way of suturing, pressing or bond.
Preferred scheme is, between the film and network or in film outside coated medicament coating.
Preferred scheme is that the medicine of the medication coat is taxol and its derivative, taxane, taxol, more west purples
China fir alcohol, three water Docetaxels, everolimus, cis-platinum, adriamycin and its derivative, camptothecin analogues, antibody class resist
Tumour medicine, colchicin, arsenic trioxide, endoxan, aspirin, heparin, argatroban, warfarin are received, vitamin K
Antagonist, resveratrol, rapamycin and its derivative, everolimus, Zuo Tamosi, tacrolimus, hundred Ao Mosi, Tan Ximo
Any one or a few in department, AP 23573, acemetacin, statins.
Beneficial effects of the present invention are：
Film is covered in network outer surface by the band film network in the present invention, and is provided with micropore, root in overlay film
The overlay film of different pore size and different-thickness is set according to different situations, so as to strengthen the permeability of film, reduces thorn of the overlay film to blood vessel
Swash, avoid that endothelialization delay occurs or advanced thrombus occurs, suppresses in-stent restenosis.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the invention with film network.
In figure：
10th, network；20th, film；11st, the first wire body；12nd, the second wire body；13rd, the 3rd wire body；21st, micropore.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, this includes network 10 with film network and covered in the film 20 in the outside of the network 10.
The network 10 is cylindrical, a diameter of 1mm-30mm of its cylinder, is only illustrated in this figure with plan.This reality
Apply in example, the network 10 include multiple parallel the first wire bodies 11 set at equal intervals, it is multiple it is parallel at equal intervals set and with
The second wire body 12 and be connected at per between adjacent the first wire body 11 and the second wire body 12 that each first wire body 11 is arranged alternately
The 3rd wire body 13.The undulate bending extension, and each crest is equal with each trough difference along the vertical direction of each first wire body 11
Together.The undulate bending extension, and each crest is concordant with each trough difference along the vertical direction of each second wire body 12.Each second wire body
The trough of 12 crest, two first wire bodies 11 adjacent thereto is corresponding, the trough of each second wire body 12 it is adjacent thereto two first
The crest of wire body is corresponding.Each 3rd wire body 13 is respectively the waveform with a crest and a trough in the horizontal direction, and by
First wire body 11 is obliquely installed from top to bottom to the direction of the second wire body 12.It is each between the same wire body 12 of first wire body 11 and second
The both ends of 3rd wire body 13 are connected with the crest of the first wire body 11 and the trough of the second wire body 12 respectively, and same first wire body 11
The crest and the second wire body 12 of one first wire body 11 are spaced above and below between the second wire body 12 between two the 3rd adjacent wire bodies 13
Trough.
The film 20 is located at the outside of network 10 by way of suturing, pressing or bond.The material of the overlay film 20 is
Terylene, acrylic fibers, nylon, polyvinylidene chloride, polytetrafluoroethylene (PTFE), expanded PTFE, polyethylene, polypropylene, resin, polychlorostyrene
One kind in ethene, polystyrene.The thickness of the film 20 is 10 μm -300 μm, is preferentially 200 μm.It is distributed with the film 20 multiple
Micropore 21, the aperture of its micropore 21 is 0.01 μm -50 μm, is preferentially 5 μm；Porosity is 10%-95%, is preferentially 45%.Should
The length of film 20 is identical with the length of network or is shorter than the length of support.
When it is implemented, between the film 20 and network 10 can also coated medicament coating, can also coat outside the overlay film
Medication coat.The medicine of the medication coat can be that taxol and its derivative, taxane, taxol, Docetaxel, three water are more
Western taxol, everolimus, cis-platinum, adriamycin and its derivative, camptothecin analogues, antibody series antineoplastic medicament, autumn
Tazettine, arsenic trioxide, endoxan, aspirin, heparin, argatroban, warfarin are received, vitamin K antagon, white lamb's-quarters
Reed alcohol, rapamycin and its derivative, everolimus, Zuo Tamosi, tacrolimus, hundred Ao Mosi, CCI-779, phosphorus not
Any one or a few in department, acemetacin, statins.
Film 20 is covered in the surface of network 10 by the band film network, and is provided with micropore 21 in film 20, according to not
The overlay film of different pore size and different-thickness is set with situation, so as to strengthen the permeability of overlay film, reduces stimulation of the film 20 to blood vessel,
Avoid that endothelialization delay occurs or advanced thrombus occurs, suppresses in-stent restenosis.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
- A kind of 1. band film network, it is characterised in that：Including network and film on the outside of the network is covered, it is described Network is cylindrical, multiple micropores is distributed with the film, the thickness of the film is 10 μm -300 μm, the aperture of the micropore For 0.01 μm -50 μm, its porosity is 10%-95%.
- 2. band film network as claimed in claim 1, it is characterised in that：The thickness of the film is 200 μm.
- 3. band film network as claimed in claim 1, it is characterised in that：The aperture of the micropore is 5 μm, and its porosity is 45%.
- 4. band film network according to any one of claims 1 to 3, it is characterised in that：The material of the film be terylene, Acrylic fibers, nylon, polyvinylidene chloride, polytetrafluoroethylene (PTFE), expanded PTFE, polyethylene, polypropylene, resin, polyvinyl chloride, One kind in polystyrene.
- 5. band film network according to any one of claims 1 to 3, it is characterised in that：The network includes more Individual parallel the first wire body set at equal intervals, multiple parallel the second wire bodies for setting and being arranged alternately with each first wire body at equal intervals And be connected at per the 3rd wire body between adjacent the first wire body and the second wire body, each first wire body is in wave along the vertical direction Shape bending extension, and each crest and each trough difference flush, the undulate bending extension along the vertical direction of each second wire body, and Each crest is concordant with each trough difference, and the trough of the crest of each second wire body two first wire bodies adjacent thereto is corresponding, and each The crest of the troughs of two wire bodies, two first wire bodies adjacent thereto is corresponding, and each 3rd wire body is respectively to have one in the horizontal direction The waveform of crest and a trough, and be obliquely installed from top to bottom from the first wire body to the second wire body direction, same first wire body The both ends of each 3rd wire body between the second wire body are connected with the crest of the first wire body and the trough of the second wire body respectively, and together The crest and the second line of one first wire body are spaced above and below between one first wire body and the second wire body between two the 3rd adjacent wire bodies The trough of body.
- 6. band film network according to any one of claims 1 to 3, it is characterised in that：The cylinder of the network A diameter of 1mm-30mm.
- 7. band film network according to any one of claims 1 to 3, it is characterised in that：The length of the film with it is netted The length of support is identical or is shorter than the length of support.
- 8. band film network according to any one of claims 1 to 3, it is characterised in that：The film is by suturing, pressing Or the mode of bonding is located at the outside of network.
- 9. band film network according to any one of claims 1 to 3, it is characterised in that：The film and network it Between or the coated medicament coating outside the film.
- 10. band film network as claimed in claim 9, it is characterised in that：The medicine of the medication coat be taxol and Its derivative, taxane, taxol, Docetaxel, three water Docetaxels, everolimus, cis-platinum, adriamycin and its derivative Thing, camptothecin analogues, antibody series antineoplastic medicament, colchicin, arsenic trioxide, endoxan, aspirin, liver Element, argatroban, warfarin are received, vitamin K antagon, resveratrol, rapamycin and its derivative, everolimus, help him Any one or a few in Mo Si, tacrolimus, hundred Ao Mosi, CCI-779, AP 23573, acemetacin, statins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710791230.8A CN107510519A (en) | 2017-09-05 | 2017-09-05 | Band film network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710791230.8A CN107510519A (en) | 2017-09-05 | 2017-09-05 | Band film network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107510519A true CN107510519A (en) | 2017-12-26 |
Family
ID=60724927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710791230.8A Pending CN107510519A (en) | 2017-09-05 | 2017-09-05 | Band film network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107510519A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836584A (en) * | 2018-05-28 | 2018-11-20 | 上海长海医院 | A kind of compound close web frame carotid stents of segmented |
| CN108836585A (en) * | 2018-05-28 | 2018-11-20 | 上海长海医院 | A kind of absorbable Y type carotid stents from Tu Mo branch of band |
| CN111588918A (en) * | 2019-12-31 | 2020-08-28 | 辽宁垠艺生物科技股份有限公司 | Method for coating film on surface of stent |
| CN115737887A (en) * | 2022-11-07 | 2023-03-07 | 河北大学 | Skin wound dressing and preparation method thereof |
| WO2023093437A1 (en) * | 2021-11-26 | 2023-06-01 | 上海微创心脉医疗科技(集团)股份有限公司 | Covered stent and covered stent system |
| CN116687634A (en) * | 2023-07-24 | 2023-09-05 | 上海宏普医疗器械有限公司 | Puncture tectorial membrane support that ultrasonic wave was carried down |
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| CN200948183Y (en) * | 2006-05-11 | 2007-09-19 | 辽宁生物医学材料研发中心有限公司 | Arch streamline net cylinder type lumen frame for human being |
| CN201969075U (en) * | 2011-01-11 | 2011-09-14 | 上海鼎华医械有限责任公司 | Novel porous polylactic acid film |
| JP2012055649A (en) * | 2010-09-03 | 2012-03-22 | National Cerebral & Cardiovascular Center | Aneurysm treatment stent |
| CN202288543U (en) * | 2011-10-25 | 2012-07-04 | 北京泰杰伟业科技有限公司 | Covered stent for treatment of brain vessel aneurism |
| CN202515718U (en) * | 2012-03-23 | 2012-11-07 | 微创医疗器械(上海)有限公司 | Film-covered stent |
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| CN104018294A (en) * | 2014-04-10 | 2014-09-03 | 中国科学院宁波材料技术与工程研究所 | Polylactic acid nanofiber membrane and preparation method thereof |
| CN105250048A (en) * | 2015-11-12 | 2016-01-20 | 辽宁垠艺生物科技股份有限公司 | Coronary artery covered stent |
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| CN1678366A (en) * | 2002-08-23 | 2005-10-05 | 国立循环器病中心总长所代表的日本国 | Stent and process for producing the same |
| CN200948183Y (en) * | 2006-05-11 | 2007-09-19 | 辽宁生物医学材料研发中心有限公司 | Arch streamline net cylinder type lumen frame for human being |
| JP2012055649A (en) * | 2010-09-03 | 2012-03-22 | National Cerebral & Cardiovascular Center | Aneurysm treatment stent |
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| CN202515718U (en) * | 2012-03-23 | 2012-11-07 | 微创医疗器械(上海)有限公司 | Film-covered stent |
| US20130261732A1 (en) * | 2012-03-27 | 2013-10-03 | Medtronic Vascular, Inc. | Integrated mesh high metal to vessel ratio stent and method |
| CN104018294A (en) * | 2014-04-10 | 2014-09-03 | 中国科学院宁波材料技术与工程研究所 | Polylactic acid nanofiber membrane and preparation method thereof |
| CN105250048A (en) * | 2015-11-12 | 2016-01-20 | 辽宁垠艺生物科技股份有限公司 | Coronary artery covered stent |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836584A (en) * | 2018-05-28 | 2018-11-20 | 上海长海医院 | A kind of compound close web frame carotid stents of segmented |
| CN108836585A (en) * | 2018-05-28 | 2018-11-20 | 上海长海医院 | A kind of absorbable Y type carotid stents from Tu Mo branch of band |
| CN111588918A (en) * | 2019-12-31 | 2020-08-28 | 辽宁垠艺生物科技股份有限公司 | Method for coating film on surface of stent |
| WO2023093437A1 (en) * | 2021-11-26 | 2023-06-01 | 上海微创心脉医疗科技(集团)股份有限公司 | Covered stent and covered stent system |
| CN115737887A (en) * | 2022-11-07 | 2023-03-07 | 河北大学 | Skin wound dressing and preparation method thereof |
| CN116687634A (en) * | 2023-07-24 | 2023-09-05 | 上海宏普医疗器械有限公司 | Puncture tectorial membrane support that ultrasonic wave was carried down |
| CN116687634B (en) * | 2023-07-24 | 2023-11-03 | 上海宏普医疗器械有限公司 | Puncture tectorial membrane support that ultrasonic wave was carried down |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171226 |
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| RJ01 | Rejection of invention patent application after publication |