Endoscopic multiple sample bioptome

Details Endoscopic multiple sample bioptome Endoscopic multiple sample bioptome

A - Human Necessities

61

B

A61B 10/00 (2006.01) A61B 17/32 (2006.01) A61B 17/00 (2006.01) A61B 17/28 (2006.01) A61B 17/30 (2006.01) A61B 18/14 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2181545

An endoscopic multiple sample bioptome (10) includes a hollow outer member (16) and an axially displaceable inner member (18) extending therethrough. The proximal ends of the outer and inner members are coupled to an actuator (24) for axially displacing one relative to the other. The distal end of the outer member (16) is coupled to one of a cylinder (40) having a sharp distal edge (42) and a jaw assembly (44), while the distal end of the inner member (18) is coupled to the other. The jaw assembly includes a pair of opposed preferably toothed jaw cups (46a and 46b) each of which is coupled by a resilient arm (50a and 50b) to a base member (52).

Instrument (10) de biopsie endoscopique pour prélèvements multiples comportant un élément extérieur creux (16) et un élément intérieur mobile axialement (18) le traversant. Les extrémités proximales des susdits éléments sont reliées à un actuateur (24) assurant leur déplacement axial relatif. L' extrémité distale de l'élément extérieur (16) est reliée à un cylindre (40) présentant une extrémité distale pointue (42) ou à un ensemble mâchoires (44), tandis que l'extrémité distale de l'élément intérieur (18) est reliée à l'autre. L'ensemble mâchoires comporte une paire de mâchoires creuses opposées de préférence dentées (46a et 46b), dont chacune est reliée par un bras flexible (50a et 50b) à un élément de base (52).

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