Endoscopic bipolar multiple sample bioptome

A - Human Necessities – 61 – B

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Details

A61B 10/00 (2006.01) A61B 18/14 (2006.01)

Patent

CA 2242897

An endoscopic bipolar bioptome includes a conductive flexible member (16) having a lumen with an axially displaceable conductive wire (18) extending therethrough and covered with an insulating sheath (19). The proximal ends of the flexible member (16) and the wire (18) are coupled to a manual actuation device (12) for displacing one of the wires (18) and the member (16) with respect to the other. The manual actuation device (12) is provided with bipolar electrical couplings for coupling one pole to the wire (18) and the other pole to the flexible member (16). The distal end of the flexible member (16) is connected to a partially conductive cylinder (40) and the distal end of the wire (18) is coupled to a jaw assembly (14).

L'invention concerne une pince à biopsie endoscopique bipolaire comportant un élément souple conducteur (16) pourvu d'une lumière à travers laquelle passe un fil métallique conducteur (18) axialement déplaçable et recouvert d'une gaine isolante (19). Les extrémités proximales de l'élément souple (16) et du fil (18) sont accouplés à un dispositif d'actionnement manuel (12) permettant le déplacement du fil (18) ou de l'élément (16) l'un par rapport à l'autre. Ce dispositif d'actionnement manuel (12) possède des coupleurs électriques bipolaires destinés au coupleur d'un pôle avec le fil (18) et de l'autre pôle avec l'élément souple (16). L'extrémité distale de l'élément souple (16) est reliée à un cylindre partiellement conducteur (40) et l'extrémité distale du fil (18) est accouplée à un ensemble mâchoire (14).

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