Occlusive device for inferior vena cava
First Claim
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1. A SURGICAL DEVICE FOR PARTIALLY OCCLUDING A BLOOD VESSEL COMPRISING A RELATIVELY LONG FLEXIBLE TUBULAR MEMBEAR HAVING AN OPEN-ENDED HOLLOW ELONGATED MEMBER AT ONE END THEREOF, A FLEXIBLE PUSH ROD MEMBER MOVABLE WITHIN SAID TUBULAR MEMBER, AND AN EXPANSIBLE OCCULSIVE MEMBER WITHIN SAID ELONGATED MEMBER ADAPTER TO EXPAND WHEN EXPELLED FROM SAID HOLLOW MEMBER BY LONGITUDINAL MOVEMENT OF SAID PUSH ROD RELATIVE TO ITS ENCLOSING TUBULAR MEMBER, SAID EXPANSIBLE OCCLUSIVE MEMBER COMPRISING SEVERAL RESILIENTLY EXPANSIBLE VANES, THE OUTER ENDS OF WHICH HAVE OUTWARDLY EXTENDING TEETH TO ENGAGE THE INTERIOR WALL OF THE BLOOD VESSEL, THEREBY PERMANENTLY LOCATING THE OCCLUSIVE MEMBER IN A BLOOD VESSEL.
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1 Claim
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1. A SURGICAL DEVICE FOR PARTIALLY OCCLUDING A BLOOD VESSEL COMPRISING A RELATIVELY LONG FLEXIBLE TUBULAR MEMBEAR HAVING AN OPEN-ENDED HOLLOW ELONGATED MEMBER AT ONE END THEREOF, A FLEXIBLE PUSH ROD MEMBER MOVABLE WITHIN SAID TUBULAR MEMBER, AND AN EXPANSIBLE OCCULSIVE MEMBER WITHIN SAID ELONGATED MEMBER ADAPTER TO EXPAND WHEN EXPELLED FROM SAID HOLLOW MEMBER BY LONGITUDINAL MOVEMENT OF SAID PUSH ROD RELATIVE TO ITS ENCLOSING TUBULAR MEMBER, SAID EXPANSIBLE OCCLUSIVE MEMBER COMPRISING SEVERAL RESILIENTLY EXPANSIBLE VANES, THE OUTER ENDS OF WHICH HAVE OUTWARDLY EXTENDING TEETH TO ENGAGE THE INTERIOR WALL OF THE BLOOD VESSEL, THEREBY PERMANENTLY LOCATING THE OCCLUSIVE MEMBER IN A BLOOD VESSEL.
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Current AssigneeBertram D. Cohn
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Original AssigneeBertram D. Cohn
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InventorsCohn, Bertram D.
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Application NumberUS04/409,737Time in Patent Office1,002 DaysField of SearchUS Class Current606/194CPC Class CodesA61F 2002/016 made from wire-like elementsA61F 2230/0058 X-shapedA61F 2230/0067 conicalA61F 2230/0093 Umbrella-shaped, e.g. mushr...A61M 25/01 Introducing, guiding, advan...
