CA1081403A - Prothese vasculaire en polytetrafluoroethylene - Google Patents
Prothese vasculaire en polytetrafluoroethyleneInfo
- Publication number
- CA1081403A CA1081403A CA269,339A CA269339A CA1081403A CA 1081403 A CA1081403 A CA 1081403A CA 269339 A CA269339 A CA 269339A CA 1081403 A CA1081403 A CA 1081403A
- Authority
- CA
- Canada
- Prior art keywords
- tubing
- fibers
- inside surface
- outside surface
- prosthesis
- 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
Links
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 35
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 32
- 230000002792 vascular Effects 0.000 title claims abstract description 31
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 109
- 229940058401 polytetrafluoroethylene Drugs 0.000 claims description 31
- 239000011148 porous material Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 3
- 210000002950 fibroblast Anatomy 0.000 description 15
- 102000009123 Fibrin Human genes 0.000 description 12
- 108010073385 Fibrin Proteins 0.000 description 12
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 12
- 208000034827 Neointima Diseases 0.000 description 12
- 229950003499 fibrin Drugs 0.000 description 12
- 239000010410 layer Substances 0.000 description 12
- 238000005245 sintering Methods 0.000 description 12
- 210000001367 artery Anatomy 0.000 description 11
- 239000008280 blood Substances 0.000 description 9
- 210000004369 blood Anatomy 0.000 description 9
- 238000002513 implantation Methods 0.000 description 8
- 208000007536 Thrombosis Diseases 0.000 description 6
- 210000002808 connective tissue Anatomy 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 210000003462 vein Anatomy 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000000635 electron micrograph Methods 0.000 description 5
- 208000004434 Calcinosis Diseases 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000002308 calcification Effects 0.000 description 4
- 230000035876 healing Effects 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 239000002759 woven fabric Substances 0.000 description 4
- 229920004934 Dacron® Polymers 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 208000002720 Malnutrition Diseases 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000005786 degenerative changes Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000018343 nutrient deficiency Nutrition 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- XTWYTFMLZFPYCI-KQYNXXCUSA-N 5'-adenylphosphoric acid Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OP(O)(O)=O)[C@@H](O)[C@H]1O XTWYTFMLZFPYCI-KQYNXXCUSA-N 0.000 description 1
- XTWYTFMLZFPYCI-UHFFFAOYSA-N Adenosine diphosphate Natural products C1=NC=2C(N)=NC=NC=2N1C1OC(COP(O)(=O)OP(O)(O)=O)C(O)C1O XTWYTFMLZFPYCI-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241001505295 Eros Species 0.000 description 1
- 229920000544 Gore-Tex Polymers 0.000 description 1
- 101100114416 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) con-10 gene Proteins 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Gastroenterology & Hepatology (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP620076A JPS5289298A (en) | 1976-01-21 | 1976-01-21 | Blood vessel prosthetics of tetrafluoroethylene resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1081403A true CA1081403A (fr) | 1980-07-15 |
Family
ID=11631887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA269,339A Expired CA1081403A (fr) | 1976-01-21 | 1977-01-07 | Prothese vasculaire en polytetrafluoroethylene |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5289298A (fr) |
| AU (1) | AU498725B2 (fr) |
| BE (1) | BE850542A (fr) |
| BR (1) | BR7700349A (fr) |
| CA (1) | CA1081403A (fr) |
| DE (1) | DE2702513B2 (fr) |
| FR (1) | FR2338691A1 (fr) |
| GB (1) | GB1577327A (fr) |
| IT (1) | IT1192217B (fr) |
| NL (1) | NL164470C (fr) |
| SE (1) | SE428524B (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1147087A (fr) * | 1977-12-21 | 1983-05-24 | David Goldfarb | Matieres impregnees de graphite utilisees pour les protheses vasculaires |
| DE2857925C2 (fr) * | 1978-02-14 | 1988-08-11 | B. Braun Melsungen Ag, 3508 Melsungen, De | |
| DE2806030C2 (de) * | 1978-02-14 | 1984-02-02 | B. Braun Melsungen Ag, 3508 Melsungen | Verfahren zur Herstellung einer schlauchförmigen Blutgefäßprothese |
| DE2947743C2 (de) * | 1978-11-30 | 1983-12-08 | Sumitomo Electric Industries, Ltd., Osaka | Einheitliches, poröses röhrenförmiges Gebilde aus Polytetrafluoräthylen |
| US4321914A (en) * | 1980-04-22 | 1982-03-30 | W. L. Gore & Associates, Inc. | Percutaneous conduit having PTFE skirt |
| JPS6341544A (ja) * | 1986-08-04 | 1988-02-22 | バクスター・インターナショナル・インコーポレイテッド | 多孔質高膨張性フルオロポリマ−類及びその製造方法 |
| US4743480A (en) * | 1986-11-13 | 1988-05-10 | W. L. Gore & Associates, Inc. | Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby |
| JPS63226361A (ja) * | 1986-11-26 | 1988-09-21 | バクスター・インターナショナル・インコーポレイテッド | 多孔質柔軟性で放射状に膨張させたフルオロポリマー類及びその製造方法 |
| GB8700249D0 (en) * | 1987-01-07 | 1987-02-11 | Ici Plc | Vascular prosthesis |
| US5026513A (en) * | 1987-10-19 | 1991-06-25 | W. L. Gore & Associates, Inc. | Process for making rapidly recoverable PTFE |
| GB2211190A (en) * | 1987-10-19 | 1989-06-28 | Gore & Ass | Rapid recoverable ptfe and a process for its manufacture |
| US4877661A (en) * | 1987-10-19 | 1989-10-31 | W. L. Gore & Associates, Inc. | Rapidly recoverable PTFE and process therefore |
| IT1305301B1 (it) * | 1999-02-24 | 2001-05-04 | Mariano Gargiulo | Raccordo per anastomosi vascolari. |
-
1976
- 1976-01-21 JP JP620076A patent/JPS5289298A/ja active Granted
-
1977
- 1977-01-06 AU AU21116/77A patent/AU498725B2/en not_active Expired
- 1977-01-07 CA CA269,339A patent/CA1081403A/fr not_active Expired
- 1977-01-17 GB GB1714/77A patent/GB1577327A/en not_active Expired
- 1977-01-19 BE BE174214A patent/BE850542A/fr not_active IP Right Cessation
- 1977-01-19 BR BR7700349A patent/BR7700349A/pt unknown
- 1977-01-19 IT IT47694/77A patent/IT1192217B/it active
- 1977-01-20 FR FR7701594A patent/FR2338691A1/fr active Granted
- 1977-01-20 NL NL7700561.A patent/NL164470C/xx not_active IP Right Cessation
- 1977-01-21 DE DE2702513A patent/DE2702513B2/de not_active Ceased
- 1977-01-30 SE SE7700601A patent/SE428524B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5289298A (en) | 1977-07-26 |
| NL164470C (nl) | 1981-01-15 |
| AU498725B2 (en) | 1979-03-22 |
| AU2111677A (en) | 1978-07-13 |
| GB1577327A (en) | 1980-10-22 |
| IT1192217B (it) | 1988-03-31 |
| SE428524B (sv) | 1983-07-11 |
| DE2702513A1 (de) | 1977-07-28 |
| FR2338691A1 (fr) | 1977-08-19 |
| DE2702513B2 (de) | 1979-08-16 |
| NL164470B (nl) | 1980-08-15 |
| NL7700561A (nl) | 1977-07-25 |
| BE850542A (fr) | 1977-05-16 |
| BR7700349A (pt) | 1977-09-20 |
| FR2338691B1 (fr) | 1980-10-10 |
| SE7700601L (sv) | 1977-09-21 |
| JPS5737338B2 (fr) | 1982-08-09 |
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|---|---|---|
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| JPS6037736B2 (ja) | 管状臓器補綴材 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |