SE7700601L - VASCULAR PROTESTS OF THE POLYTETRAFLUORETENE - Google Patents

VASCULAR PROTESTS OF THE POLYTETRAFLUORETENE

Info

Publication number
SE7700601L
SE7700601L SE7700601A SE7700601A SE7700601L SE 7700601 L SE7700601 L SE 7700601L SE 7700601 A SE7700601 A SE 7700601A SE 7700601 A SE7700601 A SE 7700601A SE 7700601 L SE7700601 L SE 7700601L
Authority
SE
Sweden
Prior art keywords
tubing
vascular
polytetrafluoretene
protests
fibrous structure
Prior art date
Application number
SE7700601A
Other languages
Swedish (sv)
Other versions
SE428524B (en
Inventor
K Okita
Original Assignee
Sumitomo Electric Industries
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 filed Critical Sumitomo Electric Industries
Publication of SE7700601L publication Critical patent/SE7700601L/en
Publication of SE428524B publication Critical patent/SE428524B/en

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)

Abstract

A vascular prosthesis comprising a tubing of porous polytetrafluoroethylene, the polytetrafluoroethylene tubing having a fibrous structure of notes and fibers connecting the nodes together and having a composite structure in which the fibrous structure at the inside surface of the tubing is finer than the fibrous structure at the outside surface of the tubing.
SE7700601A 1976-01-21 1977-01-30 VASCULES PROTESTS INCLUDING A RUBBER OF POLYTETRAFLUORETTE SE428524B (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 (2)

Publication Number Publication Date
SE7700601L true SE7700601L (en) 1977-09-21
SE428524B SE428524B (en) 1983-07-11

Family

ID=11631887

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7700601A SE428524B (en) 1976-01-21 1977-01-30 VASCULES PROTESTS INCLUDING A RUBBER OF POLYTETRAFLUORETTE

Country Status (11)

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

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
DE2806030C2 (en) * 1978-02-14 1984-02-02 B. Braun Melsungen Ag, 3508 Melsungen Process for the production of a tubular blood vessel prosthesis
DE2857925C2 (en) * 1978-02-14 1988-08-11 B. Braun Melsungen Ag, 3508 Melsungen, De
CA1147109A (en) * 1978-11-30 1983-05-31 Hiroshi Mano Porous structure of polytetrafluoroethylene and process for production thereof
US4321914A (en) * 1980-04-22 1982-03-30 W. L. Gore & Associates, Inc. Percutaneous conduit having PTFE skirt
JPS6341544A (en) * 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 Porous highly expansible fluoropolymers and production thereof
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
EP0269449A3 (en) * 1986-11-26 1988-12-21 BAXTER INTERNATIONAL INC. (a Delaware corporation) Porous flexible radially expanded fluoropolymers and process for producing the same
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
US4877661A (en) * 1987-10-19 1989-10-31 W. L. Gore & Associates, Inc. Rapidly recoverable PTFE and process therefore
GB2211190A (en) * 1987-10-19 1989-06-28 Gore & Ass Rapid recoverable ptfe and a process for its manufacture
IT1305301B1 (en) * 1999-02-24 2001-05-04 Mariano Gargiulo FITTING FOR VASCULAR ANASTOMOSIS.

Also Published As

Publication number Publication date
JPS5289298A (en) 1977-07-26
DE2702513B2 (en) 1979-08-16
AU498725B2 (en) 1979-03-22
CA1081403A (en) 1980-07-15
IT1192217B (en) 1988-03-31
GB1577327A (en) 1980-10-22
FR2338691A1 (en) 1977-08-19
BR7700349A (en) 1977-09-20
SE428524B (en) 1983-07-11
BE850542A (en) 1977-05-16
NL164470B (en) 1980-08-15
DE2702513A1 (en) 1977-07-28
AU2111677A (en) 1978-07-13
NL164470C (en) 1981-01-15
FR2338691B1 (en) 1980-10-10
JPS5737338B2 (en) 1982-08-09
NL7700561A (en) 1977-07-25

Similar Documents

Publication Publication Date Title
SE7700601L (en) VASCULAR PROTESTS OF THE POLYTETRAFLUORETENE
WO1998026731A3 (en) Multi-stage prosthesis
SE7908448L (en) ROD-ORGANIC ORGANIC PROTEST AND PROCEDURE FOR ITS PREPARATION
FR2766698B1 (en) ADJUSTED THREE-DIMENSIONAL PROSTHETIC FABRIC
IT7919147A0 (en) PERMEABLE FIBER FILTER AND ITS PRODUCTION.
ES407448A1 (en) Polyolefin pulp and process for producing same
ES2057271T3 (en) ABSORBENT SHEET AND APPLICATIONS OF THE SAME.
IT7924694A0 (en) ADVANTAGEOUSLY TOBACCO. PROCEDURE AND MEANS FOR THE CREATION OF A LOAD CONSISTING OF SMOKABLE FIBERS,
ES456314A1 (en) Fibrous materials useful as leather substitutes and consisting essentially of leather fibers, fibrils or fibrides of synthetic polymers and cellulose fibers
FI842863A (en) ANORDINATION FOR AVAILABILITY OF FIBERS AND PENSION.
ES535046A0 (en) IMPROVEMENTS IN THE MANUFACTURE OF FILTER LAYERS, FREE OF ASBESTOS
DE59105838D1 (en) Dihydroxypropylsulfoethyl celluloses, their production and use.
SE8403595L (en) PAPPERSMASKINBEKLEDNAD
IT7924693A0 (en) PROCEDURE AND MEANS FOR THE FORMATION OF A LOAD, MADE UP OF SMOKABLE FIBERS, ADVANTAGEOUSLY TOBACCO.
AR225775A1 (en) A POROUS POLYMERIC TUBULAR PIECE, A COMPOSITE POROUS POLYMER SEPARATOR AND A MANUFACTURING METHOD OF SUCH SEPARATOR
ES515631A0 (en) "A METHOD OF MANUFACTURING A FIBROUS CELLULOSE CONTAINER IMPREGNATED WITH LIQUID SMOKE, DERIVED FROM WOOD".
FI855031A0 (en) KOMBINATION AV ETT INTRAUTEROEST PREVENTIVMEDEL OCH INFOERINGSANORDNING.
JPS52137082A (en) Fiber reorientation within web
GB2005377A (en) Glass fibre reinforced plastic pipe
IT1071458B (en) RETICULATION PROCEDURE OF CELLULOSIC FIBERS SUSPENSION IN THE AIR
IT7924692A0 (en) PROCEDURE AND MEANS FOR THE CREATION OF A LOAD CONSISTING OF SMOKABLE FIBERS, ADVANTAGEOUSLY TOBACCO.
ES507733A0 (en) PROCEDURE FOR THE OBTAINING OF THREADS AND FIBERS OF GOOD PROPERTIES BASED ON VINYL POLYCHLORIDE.
IT1112358B (en) SHEETER WITH AUTOMATIC RECYCLING OF FIBERS, AND PROCEDURE OF THE SAME
NL174556C (en) PROCESS FOR THE PREPARATION OF A MELT-SPRAYABLE POLYESTER, AND PROCESS FOR THE MANUFACTURE OF ORIENTED FIBERS
UA5390A1 (en) Tubular aerator

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7700601-3

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7700601-3

Format of ref document f/p: F