Percutaneous tissue excision devices and methods

Details Percutaneous tissue excision devices and methods Percutaneous tissue excision devices and methods

A - Human Necessities

61

B

A61B 17/32 (2006.01)

Patent

CA 2614721

A device for percutaneously excising tissue. In an embodiment, the device comprises an outer tubular. In addition, the device comprises an inner tubular slidingly received within the outer tubular, wherein the inner tubular has a distal end including an upper member and a lower member. Further, the device includes an open position with the distal end fully extended from the outer tubular, and a closed position with the distal end disposed within the outer tubular, wherein the upper member is biased away from the lower member and is disposed at an open angle .theta.o relative to the lower member when the device is in the opened position.

L'invention concerne un dispositif pour l'excision percutanée de tissus. Dans un mode de réalisation, le dispositif comprend une tubulure externe. En outre, le dispositif comprend une tubulure interne glissant à l'intérieur de la tubulure externe, la tubulure interne ayant une extrémité distale comportant un organe supérieur et un organe inférieur. En outre, le dispositif présente une position ouverte, dans laquelle l'extrémité distale est complètement déployée hors de la tubulure externe, et une position fermée, dans laquelle l'extrémité distale est disposée à l'intérieur de la tubulure externe, l'organe supérieur étant sollicité de façon à s'écarter de l'organe inférieur et étant disposé suivant un angle ouvert ?o par rapport à l'organe inférieur lorsque le dispositif est dans la position ouverte.

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