Endoscope system and medical instrument

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

Reexamination Certificate

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C600S104000, C600S139000

Reexamination Certificate

active

08075474

ABSTRACT:
An endoscope system according to the present invention includes: an endoscope equipped with a long insertion portion; a medical instrument which includes a treating portion installed in a distal part and used to perform various treatments in a body cavity and a long sheath including a rigid portion with predetermined flexibility and a flexible portion more flexible than the rigid portion, the rigid portion and flexible portion being installed consecutively starting from a distal side, where the sheath is inserted in a channel of the insertion portion of the endoscope; an operation instruction apparatus used to give commands regarding operation of the medical instrument; a first medical instrument drive apparatus which operates the treating portion of the medical instrument; and a second medical instrument drive apparatus which moves the sheath forward and backward.

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patent: 6450948 (2002-09-01), Matsuura et al.
patent: 7090683 (2006-08-01), Brock et al.
patent: 57-153629 (1982-09-01), None
patent: 57-190541 (1982-11-01), None
patent: 2000-000207 (2000-01-01), None
patent: 2000-342595 (2000-12-01), None
patent: 2002-186625 (2002-07-01), None

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