DE09075025T1 - Verfahren zum Bilden von medizinischen Vorrichtungen, intravaskuläre Okklusionsvorrichtungen - Google Patents

Verfahren zum Bilden von medizinischen Vorrichtungen, intravaskuläre Okklusionsvorrichtungen Download PDF

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DE09075025T1
DE09075025T1 DE09075025T DE09075025T DE09075025T1 DE 09075025 T1 DE09075025 T1 DE 09075025T1 DE 09075025 T DE09075025 T DE 09075025T DE 09075025 T DE09075025 T DE 09075025T DE 09075025 T1 DE09075025 T1 DE 09075025T1
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medical device
metal
filaments
shape
heat treatable
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DE09075025T8 (de
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Curtis Amplatz
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AGA Medical Corp
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Abstract

Medizinische Vorrichtung (80) zum Okkludieren einer Öffnung in einem vaskulären System, wobei die Vorrichtung eine Mehrzahl von verwobenen Metallfäden (14, 14') umfasst, deren Enden an einem Ende der Vorrichtung gesichert sind, um ein Auftrennen der Fäden zu verhindern, wobei ein Auseinanderziehen der Vorrichtung die Querschnittssaudehnung der Vorrichtung zum Einsetzen der Vorrichtung durch einen Katheter reduziert, wobei die Vorrichtung in eine vorgegebene Form zurückkehrt, wenn eine Zwangskraft nicht mehr anliegt, ferner umfassend eine Verbindungseinrichtung zum lösbaren Verbinden der Vorrichtung mit einer Abgabevorrichtung.

Claims (12)

  1. Medizinische Vorrichtung (80) zum Okkludieren einer Öffnung in einem vaskulären System, wobei die Vorrichtung eine Mehrzahl von verwobenen Metallfäden (14, 14') umfasst, deren Enden an einem Ende der Vorrichtung gesichert sind, um ein Auftrennen der Fäden zu verhindern, wobei ein Auseinanderziehen der Vorrichtung die Querschnittssaudehnung der Vorrichtung zum Einsetzen der Vorrichtung durch einen Katheter reduziert, wobei die Vorrichtung in eine vorgegebene Form zurückkehrt, wenn eine Zwangskraft nicht mehr anliegt, ferner umfassend eine Verbindungseinrichtung zum lösbaren Verbinden der Vorrichtung mit einer Abgabevorrichtung.
  2. Medizinische Vorrichtung nach Anspruch 1, wobei die verwobenen Metallfäden ein rohrförmiges Geflecht umfassen.
  3. Medizinische Vorrichtung nach Anspruch 1 oder Anspruch 2, wobei die Metallfäden (14, 14') ein elastisches, wärmebehandelbares Metall umfassen.
  4. Medizinische Vorrichtung nach Anspruch 3, wobei das elastische und wärmebehandelbare Metall Elgiloy, Hastelloy, Incoloy oder Edelstahl umfasst.
  5. Medizinische Vorrichtung nach Anspruch 3, wobei das elastische, wärmebehandelbare Metall ein Formgedächtnismetall umfasst.
  6. Medizinische Vorrichtung nach Anspruch 5, wobei die Formgedächtnislegierung Nitinol ist.
  7. Medizinische Vorrichtung nach einem der vorangehenden Ansprüche, wobei die Enden der Metallfäden an einem Ende der Vorrichtung durch eine Klammer, ein Lötmittel, ein Hartlötmittel, eine Verschweißung oder ein zementäres Material gesichert sind, um ein Auftrennen der Fäden zu verhindern.
  8. Medizinische Vorrichtung nach einem der vorangehenden Ansprüche, wobei die Verbindungseinrichtung eine Gewindebefestigung zum reversiblen Verbinden der medizinischen Vorrichtung mit einer Abgabevorrichtung umfasst.
  9. Medizinische Vorrichtung nach einem der vorangehenden Ansprüche, wobei die vorgegebene Form im Wesentlichen die Form einer Hantel aufweist.
  10. Medizinische Vorrichtung nach einem der vorangehenden Ansprüche, wobei die vorgegebene Form im Wesentlichen die Form einer Glocke aufweist.
  11. Medizinische Vorrichtung nach einem der vorangehenden Ansprüche, wobei die vorgegebene Form im Wesentlichen die Form eines Kegels aufweist.
  12. Verfahren zum Bilden einer medizinischen Vorrichtung (80) gemäß einem der vorangehende Ansprüche, wobei das Verfahren folgende Schritte umfasst: (a) Bereitstellen eines Metallgewebes (10), das aus einer Mehrzahl von verwobenen Metallfäden (14, 14') gebildet ist, wobei die Fäden aus einem Metall gebildet sind, das wärmebehandelbar ist, um im Wesentlichen eine gewünschte Form festzulegen; (b) allgemeines Anpassen des Gewebes an ein Formelement (100), um eine Form einer expandierten Konfiguration der Vorrichtung im Wesentlichen zu definieren; (c) Behandeln des Gewebes, während dieses an das Formelement angepasst ist, um die Fäden in der Form der expandierten Konfiguration der Vorrichtung im Wesentlichen festzulegen; (d) Entfernen des Gewebes von dem Formelement, so dass das Gewebe mit dem Formelement nicht mehr in Kontakt steht; (e) Sichern der Enden der Metallfäden an einem Ende der Vorrichtung; und (f) Anbringen einer Verbindungseinrichtung an einem Ende der Vorrichtung zum lösbaren Verbinden mit einer Abgabevorrichtung.
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ATE442102T1 (de) 2009-09-15
US6368339B1 (en) 2002-04-09
DE69536001D1 (de) 2009-10-22
US20020123759A1 (en) 2002-09-05
US20020123760A1 (en) 2002-09-05
US6682546B2 (en) 2004-01-27
DK0808138T3 (da) 2006-02-20
EP0808138B1 (de) 2005-10-05
WO1996001599A1 (en) 1996-01-25
EP2055263A3 (de) 2012-06-20
US6579303B2 (en) 2003-06-17
PT1210919E (pt) 2009-11-17
US6447531B1 (en) 2002-09-10
EP1210919A3 (de) 2006-05-10
EP2055263A2 (de) 2009-05-06
EP0808138A1 (de) 1997-11-26
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US6123715A (en) 2000-09-26
ES2250973T3 (es) 2006-04-16
ATE305759T1 (de) 2005-10-15
EP1210919A2 (de) 2002-06-05
CA2194669C (en) 2005-07-05
US20020198561A1 (en) 2002-12-26
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ES2487515T3 (es) 2014-08-21
JPH10502549A (ja) 1998-03-10
CA2194669A1 (en) 1996-01-25
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US6599308B2 (en) 2003-07-29
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ES2357498T3 (es) 2011-04-27
DE09075025T8 (de) 2013-04-25

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