Instrument for endoscope and instrument system for endoscope

Details Instrument for endoscope and instrument system for endoscope Instrument for endoscope and instrument system for endoscope

2006-05-26

2010-06-08

Cohen, Lee S (Department: 3739)

Surgery

Instruments

Electrical application

C606S045000, C606S049000

Reexamination Certificate

active

07731714

ABSTRACT:
An instrument for an endoscope including a flexible insulative insertion section inserted in an endoscope channel, a tubular first electrode section arranged at a distal end of the insertion section with an insertion hole formed along the axis of the insertion section, a conductive electric wire inserted in the insertion section and movable forward/backward, a control section arranged on the proximal end side of the insertion section and controlling forward/backward movement of the electric wire along the axis, a rod-shaped second electrode section connected to a distal end of the electric wire and inserted so as to be movable forward/backward in the insertion hole, and an external connecting section electrically connected to a proximal end side of the electric wire and applying external currents with predetermined frequencies to the electric wire and the second electrode section.

REFERENCES:
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patent: 5158561 (1992-10-01), Rydell et al.
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patent: 6056744 (2000-05-01), Edwards
patent: 7517347 (2009-04-01), Hug et al.
patent: 2004/0210215 (2004-10-01), Okada
patent: 2004/0210284 (2004-10-01), Okada
patent: S55-125858 (1980-09-01), None
patent: H5-337130 (1993-12-01), None
patent: WO2004/110294 (2004-12-01), None
Search Report issued by the European Patent Office dated Apr. 26, 2007.
Letter from Foreign Associates reporting the European Search Report dated May 22, 2007.

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