Convertible blood clot filter

Details Convertible blood clot filter Convertible blood clot filter

2005-08-23

2005-08-23

Ho, (Jackie) Tan-Uyen T. (Department: 3731)

Surgery

Instruments

Internal pressure applicator

C623S001110

Reexamination Certificate

active

06932832

ABSTRACT:
A vena cava blood clot filter is described that is attached to the walls of the vena cava by barbed anchors. In its filtering state, the filter is cone shaped which causes the blood to be filtered. The cone shape is formed by an appropriate restraining mechanism. When it is desired to stop filtering, the restraining mechanism is released and the filter takes a cylindrical shape. The cylindrical shaped filter will then line the vena cava wall and cease filtration of the blood.

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patent: 6342063 (2002-01-01), DeVries et al.
patent: 6517559 (2003-02-01), O'Connell

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