DE69528772T2 - Verfahren zur verbesserung mechanischer herzklappenprothese und anderer medizinischer implantate und nach diesem verfahren hergestellte produkte - Google Patents

Verfahren zur verbesserung mechanischer herzklappenprothese und anderer medizinischer implantate und nach diesem verfahren hergestellte produkte

Info

Publication number
DE69528772T2
DE69528772T2 DE69528772T DE69528772T DE69528772T2 DE 69528772 T2 DE69528772 T2 DE 69528772T2 DE 69528772 T DE69528772 T DE 69528772T DE 69528772 T DE69528772 T DE 69528772T DE 69528772 T2 DE69528772 T2 DE 69528772T2
Authority
DE
Germany
Prior art keywords
heart valve
products produced
valve prosthesis
medical implants
improving mechanical
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 - Fee Related
Application number
DE69528772T
Other languages
English (en)
Other versions
DE69528772D1 (de
Inventor
Christian Olin
Erik Johansson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69528772D1 publication Critical patent/DE69528772D1/de
Application granted granted Critical
Publication of DE69528772T2 publication Critical patent/DE69528772T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • 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
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • 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
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2403—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with pivoting rigid closure members
    • A61F2/2406—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with pivoting rigid closure members without fixed axis
    • 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
    • A61L27/02—Inorganic materials
    • A61L27/04—Metals or alloys
    • A61L27/06—Titanium or titanium alloys
    • 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
    • A61L27/28—Materials for coating prostheses
    • A61L27/30—Inorganic materials
    • 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
    • A61L33/00—Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of blood; Materials for such treatment
    • A61L33/02—Use of inorganic materials

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Epidemiology (AREA)
  • Dermatology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Surgery (AREA)
  • Hematology (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
DE69528772T 1994-06-08 1995-05-12 Verfahren zur verbesserung mechanischer herzklappenprothese und anderer medizinischer implantate und nach diesem verfahren hergestellte produkte Expired - Fee Related DE69528772T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9401967A SE504165C2 (sv) 1994-06-08 1994-06-08 Metod att förbättra biokompatibiliteten hos proteser och andra mekaniska delar för insättning i blodbanan i människokroppen samt produkter framställda därav
PCT/SE1995/000530 WO1995033501A1 (en) 1994-06-08 1995-05-12 Method of improving mechanical heart valve prostheses and other medical inserts, and products manufactured in accordance with the method

Publications (2)

Publication Number Publication Date
DE69528772D1 DE69528772D1 (de) 2002-12-12
DE69528772T2 true DE69528772T2 (de) 2003-09-18

Family

ID=20394275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528772T Expired - Fee Related DE69528772T2 (de) 1994-06-08 1995-05-12 Verfahren zur verbesserung mechanischer herzklappenprothese und anderer medizinischer implantate und nach diesem verfahren hergestellte produkte

Country Status (6)

Country Link
EP (1) EP0783328B1 (de)
AU (1) AU2685795A (de)
CA (1) CA2192335A1 (de)
DE (1) DE69528772T2 (de)
SE (1) SE504165C2 (de)
WO (1) WO1995033501A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104758093B (zh) * 2015-04-23 2016-11-23 山东大学 一种基于ANSYS/Workbench人工心脏瓣膜力学性能优化的分析方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9001009L (sv) * 1990-03-21 1991-09-22 Ytbolaget I Uppsala Ab Foerfarande foer att bilda ett haart och slitagebestaendigt skikt med god vidhaeftning paa titan eller titanregleringar och produkter, framstaellda enligt foerfarandet
SE500406C2 (sv) * 1990-08-09 1994-06-20 Christian Olin Hjärtklaffprotes

Also Published As

Publication number Publication date
WO1995033501A1 (en) 1995-12-14
EP0783328A1 (de) 1997-07-16
AU2685795A (en) 1996-01-04
SE504165C2 (sv) 1996-11-25
DE69528772D1 (de) 2002-12-12
SE9401967D0 (sv) 1994-06-08
SE9401967L (sv) 1995-12-09
EP0783328B1 (de) 2002-11-06
CA2192335A1 (en) 1995-12-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee