CA1081403A - Vascular prostheses composed of polytetrafluoroethylene - Google Patents

Vascular prostheses composed of polytetrafluoroethylene

Info

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
Application number
CA269,339A
Other languages
English (en)
French (fr)
Inventor
Koichi Okita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Application granted granted Critical
Publication of CA1081403A publication Critical patent/CA1081403A/en
Expired legal-status Critical Current

Links

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)
CA269,339A 1976-01-21 1977-01-07 Vascular prostheses composed of polytetrafluoroethylene Expired CA1081403A (en)

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 (en) 1980-07-15

Family

ID=11631887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA269,339A Expired CA1081403A (en) 1976-01-21 1977-01-07 Vascular prostheses composed of polytetrafluoroethylene

Country Status (11)

Country Link
JP (1) JPS5289298A (it)
AU (1) AU498725B2 (it)
BE (1) BE850542A (it)
BR (1) BR7700349A (it)
CA (1) CA1081403A (it)
DE (1) DE2702513B2 (it)
FR (1) FR2338691A1 (it)
GB (1) GB1577327A (it)
IT (1) IT1192217B (it)
NL (1) NL164470C (it)
SE (1) SE428524B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1147087A (en) * 1977-12-21 1983-05-24 David Goldfarb Graphite impregnated prosthetic vascular graft materials
DE2857925C2 (it) * 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
EP0313263B1 (en) * 1987-10-19 1993-03-24 W.L. Gore & Associates, Inc. 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
US5026513A (en) * 1987-10-19 1991-06-25 W. L. Gore & Associates, Inc. Process for making rapidly recoverable PTFE
IT1305301B1 (it) * 1999-02-24 2001-05-04 Mariano Gargiulo Raccordo per anastomosi vascolari.

Also Published As

Publication number Publication date
JPS5737338B2 (it) 1982-08-09
DE2702513A1 (de) 1977-07-28
SE7700601L (sv) 1977-09-21
NL164470C (nl) 1981-01-15
GB1577327A (en) 1980-10-22
AU2111677A (en) 1978-07-13
FR2338691B1 (it) 1980-10-10
SE428524B (sv) 1983-07-11
BE850542A (fr) 1977-05-16
AU498725B2 (en) 1979-03-22
BR7700349A (pt) 1977-09-20
NL164470B (nl) 1980-08-15
DE2702513B2 (de) 1979-08-16
NL7700561A (nl) 1977-07-25
JPS5289298A (en) 1977-07-26
FR2338691A1 (fr) 1977-08-19
IT1192217B (it) 1988-03-31

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Legal Events

Date Code Title Description
MKEX Expiry