DE3650342T2 - Verfahren zur Herstellung eines Formteils mit Formgedächtniseigenschaften sowie einige dieser erhaltenen Formteile. - Google Patents

Verfahren zur Herstellung eines Formteils mit Formgedächtniseigenschaften sowie einige dieser erhaltenen Formteile.

Info

Publication number
DE3650342T2
DE3650342T2 DE3650342T DE3650342T DE3650342T2 DE 3650342 T2 DE3650342 T2 DE 3650342T2 DE 3650342 T DE3650342 T DE 3650342T DE 3650342 T DE3650342 T DE 3650342T DE 3650342 T2 DE3650342 T2 DE 3650342T2
Authority
DE
Germany
Prior art keywords
composition
transition temperature
predetermined lower
configuration
producing
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 - Lifetime
Application number
DE3650342T
Other languages
English (en)
Other versions
DE3650342D1 (de
Inventor
Robert S Ward
Judy S Riffle
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.)
Thoratec LLC
Original Assignee
Thoratec LLC
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 Thoratec LLC filed Critical Thoratec LLC
Application granted granted Critical
Publication of DE3650342D1 publication Critical patent/DE3650342D1/de
Publication of DE3650342T2 publication Critical patent/DE3650342T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00Compositions of unspecified macromolecular compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2004Excipients; Inactive ingredients
    • A61K9/2022Organic macromolecular compounds
    • A61K9/2031Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2004Excipients; Inactive ingredients
    • A61K9/2022Organic macromolecular compounds
    • A61K9/2031Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
    • A61K9/204Polyesters, e.g. poly(lactide-co-glycolide)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/04Macromolecular materials
    • A61L29/049Mixtures of macromolecular compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/14Materials characterised by their function or physical properties, e.g. lubricating compositions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/14Materials characterised by their function or physical properties, e.g. lubricating compositions
    • A61L29/141Plasticizers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/003Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • C08L75/06Polyurethanes from polyesters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2400/00Materials characterised by their function or physical properties
    • A61L2400/16Materials with shape-memory or superelastic properties
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2280/00Compositions for creating shape memory
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/02Applications for biomedical use
DE3650342T 1985-01-04 1986-01-06 Verfahren zur Herstellung eines Formteils mit Formgedächtniseigenschaften sowie einige dieser erhaltenen Formteile. Expired - Lifetime DE3650342T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68879385A 1985-01-04 1985-01-04

Publications (2)

Publication Number Publication Date
DE3650342D1 DE3650342D1 (de) 1995-07-27
DE3650342T2 true DE3650342T2 (de) 1995-11-02

Family

ID=24765798

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3650342T Expired - Lifetime DE3650342T2 (de) 1985-01-04 1986-01-06 Verfahren zur Herstellung eines Formteils mit Formgedächtniseigenschaften sowie einige dieser erhaltenen Formteile.

Country Status (7)

Country Link
EP (2) EP0422693B1 (de)
JP (1) JPS62501778A (de)
KR (1) KR870700372A (de)
AT (1) ATE124072T1 (de)
AU (1) AU5302086A (de)
DE (1) DE3650342T2 (de)
WO (1) WO1986003980A1 (de)

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US5025799A (en) * 1987-05-13 1991-06-25 Wilson Bruce C Steerable memory alloy guide wires
US5189110A (en) * 1988-12-23 1993-02-23 Asahi Kasei Kogyo Kabushiki Kaisha Shape memory polymer resin, composition and the shape memorizing molded product thereof
EP0374961B1 (de) * 1988-12-23 1995-08-09 Asahi Kasei Kogyo Kabushiki Kaisha Polymerharz mit Formerinnerungsvermögen, Harzzusammensetzung und Formteile mit Fähigkeit zur Formerinnerung
DE69129984T2 (de) * 1990-12-31 1999-05-12 Baxter Int Verbessertes material für röhrchen medizinischer qualitätsstufe
CA2129651C (en) * 1992-02-24 2005-12-27 Jaime Ernesto Siman Polymer blends for torque transmitting catheters
DE4217165C1 (de) * 1992-05-23 1993-08-19 Rehau Ag + Co, 8673 Rehau, De
DE4243799A1 (de) * 1992-12-23 1994-06-30 Bayer Ag Siloxanblockcopolymer-modifizierte thermoplastische Polyurethane
DK1062278T3 (da) * 1998-02-23 2006-09-25 Mnemoscience Gmbh Polymerer med formhukommelse
JP4570707B2 (ja) * 1998-06-02 2010-10-27 テルモ株式会社 留置カテーテル
JP4570708B2 (ja) * 1998-06-02 2010-10-27 テルモ株式会社 分子量の異なる複数のポリグリコールを含有するポリウレタン樹脂からなる留置カテーテル
AUPQ170799A0 (en) * 1999-07-20 1999-08-12 Cardiac Crc Nominees Pty Limited Shape memory polyurethane or polyurethane-urea polymers
ATE275986T1 (de) * 2000-05-31 2004-10-15 Mnemoscience Gmbh Memory-thermoplaste und polymernetzwerke zum gewebeaufbau
US8158143B2 (en) 2000-07-14 2012-04-17 Helmholtz-Zentrum Geesthacht Zentrum Fuer Material- Und Kuestenforschung Gmbh Systems for releasing active ingredients, based on biodegradable or biocompatible polymers with a shape memory effect
WO2002083767A1 (en) * 2001-04-11 2002-10-24 Cheong Seok Hong Shape memory polymer structure having lattic frame
US7670302B2 (en) * 2001-12-18 2010-03-02 Boston Scientific Scimed, Inc. Super elastic guidewire with shape retention tip
DE10208211A1 (de) 2002-02-26 2003-09-11 Mnemoscience Gmbh Polymere Netzwerke
DE10215858A1 (de) * 2002-04-10 2004-03-18 Mnemoscience Gmbh Verfahren zur Haarbehandlung mit Formgedächtnispolymeren
BR0304411A (pt) * 2002-04-10 2004-07-27 Mnemoscience Gmbh Processo para a produção de efeitos de memória de moldagem sobre cabelos mediante combinação de polìmeros de memória de moldagem com substâncias ativas cationativas
DE10217351B3 (de) 2002-04-18 2004-02-12 Mnemoscience Gmbh Interpenetrierende Netzwerke
AU2003254333A1 (en) * 2002-07-10 2004-02-02 Mnemoscience Gmbh Systems for releasing active ingredients, based on biodegradable or biocompatible polymers with a shape memory effect
US7976936B2 (en) 2002-10-11 2011-07-12 University Of Connecticut Endoprostheses
WO2004033553A1 (en) 2002-10-11 2004-04-22 University Of Connecticut Crosslinked polycyclooctene
US7794494B2 (en) 2002-10-11 2010-09-14 Boston Scientific Scimed, Inc. Implantable medical devices
EP1558671B1 (de) 2002-10-11 2011-02-16 University of Connecticut Mischungen von amorphen und semikristallinen polymeren mit formgedächtniseigenscchaften
US7524914B2 (en) 2002-10-11 2009-04-28 The University Of Connecticut Shape memory polymers based on semicrystalline thermoplastic polyurethanes bearing nanostructured hard segments
EP2260882B1 (de) * 2002-10-11 2020-03-04 Boston Scientific Limited Implantierbare medizinische vorrichtungen
DE10300271A1 (de) 2003-01-08 2004-07-22 Mnemoscience Gmbh Photosensitive polymere Netzwerke
US9051411B2 (en) 2004-08-16 2015-06-09 Lawrence Livermore National Security, Llc Shape memory polymers
US11820852B2 (en) 2004-08-16 2023-11-21 Lawrence Livermore National Security, Llc Shape memory polymers
US7828790B2 (en) * 2004-12-03 2010-11-09 Boston Scientific Scimed, Inc. Selectively flexible catheter and method of use
US8043361B2 (en) 2004-12-10 2011-10-25 Boston Scientific Scimed, Inc. Implantable medical devices, and methods of delivering the same
FR2881353B1 (fr) 2005-02-03 2008-12-05 Vygon Sa Perfectionnement aux embouts de ponction et aux tubes catheters
US8034046B2 (en) 2006-04-13 2011-10-11 Boston Scientific Scimed, Inc. Medical devices including shape memory materials
CA2704675C (en) 2007-11-08 2015-03-24 Renew Medical Inc. Fecal incontinence device, system and method
JP5275139B2 (ja) * 2009-06-03 2013-08-28 株式会社イシダ 熱可塑性ポリウレタン成形物およびその製造方法
DE102009025293A1 (de) * 2009-06-15 2010-12-16 Adolf Pfaff & Dr. Karl-Friedrich Reichenbach GbR (vertretungsberechtigter Gesellschafter: Adolf Pfaff, 79183 Waldkirch) Radioopake Formgedächtnis-Polymere
JP7343515B2 (ja) * 2018-09-10 2023-09-12 三洋化成工業株式会社 ポリウレタン樹脂組成物

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US3619455A (en) * 1968-04-19 1971-11-09 Pennsylvania Fluorocarbon Co I Heat deformable elastomeric articles
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Also Published As

Publication number Publication date
EP0211851A4 (de) 1988-01-28
EP0211851A1 (de) 1987-03-04
DE3650342D1 (de) 1995-07-27
EP0422693B1 (de) 1995-06-21
EP0422693A2 (de) 1991-04-17
EP0422693A3 (en) 1991-07-17
WO1986003980A1 (en) 1986-07-17
AU5302086A (en) 1986-07-29
KR870700372A (ko) 1987-12-28
ATE124072T1 (de) 1995-07-15
JPS62501778A (ja) 1987-07-16

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