Bipolar clamp

Details Bipolar clamp Bipolar clamp

2007-01-23

2007-01-23

Peffley, Michael (Department: 3739)

Surgery

Instruments

Electrical application

C606S045000, C606S049000, C606S050000, C606S052000

Reexamination Certificate

active

10480010

ABSTRACT:
The invention relates to a bipolar clamp (10) comprising two scissor members (12, 14), which are joined together mechanically by means of an insulating screw or similar pivot joint (16) about which they can rotate with respect to one another, but are electrically insulated from one another,electrode components (18, 20) at distal ends (22, 24) of the scissor members (12, 14) for grasping tissue and conducting an electrical current through the tissue to cause. coagulation,handle devices (26, 28) at proximal ends (30, 32) of the scissor members (12, 14),current-supply means (34, 40, 42) at the proximal end (32) of one scissor member (14)ratchets (36, 38) between the pivot joint (16) and the proximal ends (32, 34) to lock, the scissor members (12, 14) to one another in a closed position.In accordance with the invention the current-supply means (34, 40, 42) are so disposed, and the ratchets (36, 38) are so constructed, that current flow from the current-supply means (34, 40, 42) to the electrode components (18, 20) is possible only in the closed position. These measures make manipulation of the bipolar clamp (10) safer, because a coagulation current cannot flow until the clamp is in the closed position.

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English translation of International Preliminary Examination Report issued in PCT/EP02/06141.
English translation of Japanese office action, Japanese Patent Application No. 2003-501359, dispatched Jun. 23, 2006.

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