Medical apparatus, treatment instrument for endoscope and...

Surgery – Endoscope – With tool carried on endoscope or auxillary channel therefore

Reexamination Certificate

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C600S106000, C600S128000, C600S137000

Reexamination Certificate

active

07918785

ABSTRACT:
A biopsy forceps as one of treatment instruments for endoscope includes: a tubular coil sheath introduced into a body cavity through a treatment instrument channel included in an endoscope insertion portion; a treatment portion disposed closer to a distal end side than a distal end surface of the coil sheath; an operation wire for transmitting a turning force to turn the treatment portion in a circumferential direction, the operation wire being inserted in the coil sheath in a forwardly/backwardly movable manner and turned in the circumferential direction; and a turn restricting mechanism portion for restricting a turn position of the treatment portion turned by the turning force transmitted by the operation wire with respect to the coil sheath at a first turn-restricting position or at a second turn-restricting position.

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