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3. 发明专利

ES2353891T3 FILTRO RETIRABLE PARA LA VENA CAVA. 未知
公开(公告)号：ES2353891T3
公开(公告)日：2011-03-08
申请号：ES05737027
申请日：2005-04-18
申请人： COOK INC , WILSON COOK EUROP APS
发明人： HENDRIKSEN PER , MOLGAARD-NIELSEN ARNE , OSBORNE THOMAS , GUNTHER ROLF
IPC分类号： A61F2/01
摘要： Un filtro retirable (10) para capturar trombos en un vaso sanguíneo, comprendiendo el filtro: una pluralidad de tirantes primarios (23) que tienen primeros extremos fijados juntos a lo largo de un eje longitudinal, incluyendo cada tirante primario un segmento arqueado (16) que tiene una primera resistencia a la tracción y un primer grosor, extendiéndose el segmento arqueado desde el primer extremo hasta un gancho de anclaje (26), formando el gancho de anclaje (26) una parte integral con el segmento arqueado, y teniendo la primera resistencia a la tracción; y una pluralidad de tirantes secundarios (30), espaciados libremente entre los tirantes primarios y que tienen extremos conectados unidos juntos a lo largo del eje longitudinal, extendiéndose libremente cada tirante secundario desde el extremo conectado hasta un extremo libre evitando el contacto con otros tirantes secundarios y tirantes primarios, caracterizado porque cada tirante secundario tiene una segunda resistencia a la tracción que es menor que dicha primera resistencia a la tracción, y un segundo grosor que es menos grueso que el primer grosor.

6. 发明专利

CA2562689A1 REMOVABLE VENA CAVA FILTER 未知
公开(公告)号：CA2562689A1
公开(公告)日：2005-11-03
申请号：CA2562689
申请日：2005-04-18
申请人： COOK INC , WILSON COOK EUROP APS
发明人： MOLGAARD-NIELSEN ARNE , HENDRIKSEN PER , GUNTHER ROLF , OSBORNE THOMAS A
IPC分类号： A61F2/01
摘要： The present invention provides a removable vena cava filter (10) for capturi ng thrombi in a blood vessel. The filter comprises a plurality of primary strut s (12) having first ends attached together along a longitudinal axis. Each primary strut includes an arcuate segment having a first tensile strength. T he arcuate segment extends from the first end to an anchoring hook (26). The anchoring hook is integral with the arcuate segment and having the first thickness and first tensile strength. The filter further comprises a plurali ty of secondary struts (30) freely spaced between the primary struts and having connected ends attached together along the longitudinal axis. Each secondary strut freely extends from the connected end to a free end avoiding contact with other secondary struts and primary struts. Each secondary strut has a second tensile strength.

7. 发明公开

EP1412014A4 ENDOVASCULAR FILTER 审中-公开
标题翻译：腔内FILTER
公开(公告)号：EP1412014A4
公开(公告)日：2005-06-15
申请号：EP02744350
申请日：2002-06-14
申请人： COOK INC
发明人： GRIFFIN DENNIS , MOLGAARD-NIELSEN ARNE , RAGHEB ANTHONY O , LEONARD II RAYMOND B
IPC分类号： A61B17/00 , A61F2/01 , A61M29/00
CPC分类号： A61F2/01 , A61F2002/016 , A61F2230/005 , A61F2230/0067 , A61F2230/0086
摘要： Endovascular filter (10) including a plurality of struts (14) with distal ends (18) adapted to anchor the filter to the vessel wall after deployment, such as by having barbs (20), the filter being adapted to be retrieved if 5 desired. Strut distal ends (18) are coated with an antiproliferative agent (40) that inhibits the ingrowth of tissue around the filter, thereby permitting the filter to be retrieved and removed atraumatically after a prolonged period of time, thus extending the useful life of the retrievable filter. Optionally, the proximal end (22) of the filter may also be so coated, or the entire filter.

8. 发明专利

CA2580786C REMOVABLE VENA CAVA FILTER COMPRISING STRUTS HAVING AXIAL BENDS 未知
公开(公告)号：CA2580786C
公开(公告)日：2012-10-23
申请号：CA2580786
申请日：2005-09-27
申请人： COOK INC , COOK WILLIAM EUROP
发明人： HENDRIKSEN PER , MOLGAARD-NIELSEN ARNE , OSBORNE THOMAS A
IPC分类号： A61F2/01
摘要： A removable vena cava filter configured for simplified delivery to and retrieval from the vena cava of a patient is disclosed. In one embodiment, the filter comprises a plurality of primary struts having first ends attached together along a longitudinal axis. The primary struts are movable between a closed state during delivery to the blood vessel and an open state when engaged with the blood vessel. Each primary strut comprises a first portion, a second portion, and an axial bend. The first portion extends from the first end and generally is disposed within a first portion plane intersecting the longitudinal axis. The axial bend is oriented along a circumferential direction relative to the longitudinal axis. The second portion generally is disposed within a second portion plane intersecting the first portion plane and terminates at an anchoring hook.

9. 发明专利

CA2563372C REMOVABLE VENA CAVA FILTER WITH ANCHORING FEATURE FOR REDUCED TRAUMA 未知
公开(公告)号：CA2563372C
公开(公告)日：2012-08-07
申请号：CA2563372
申请日：2005-04-18
申请人： COOK INC , COOK WILLIAM EUROP
发明人： OSBORNE THOMAS A , MOLGAARD-NIELSEN ARNE , HENDRIKSEN PER
IPC分类号： A61F2/01 , A61F2/06 , A61M29/00
摘要： The present invention involves a removable filter for capturing thrombi in a blood vessel. The filter comprises a plurality of struts having first ends attached together along a longitudinal axis (X) of the filter. Each strut has a body member extending from the first end along the longitudinal axis to an anchoring hook defining a strut axis (S). Each strut is configured to move along a strut path (P) relative to the longitudinal axis between an expanded state for engaging with the blood vessel and a collapsed state for filter delivery or retrieval. Each anchoring hook has an angle of up to about 90 degrees relative to the strut axis.

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