Endoscope shaft comprising a movable end portion

Details Endoscope shaft comprising a movable end portion Endoscope shaft comprising a movable end portion

2005-05-31

2005-05-31

Flanagan, Beverly M. (Department: 3739)

Surgery

Endoscope

Having flexible tube structure

C600S115000, C600S116000, C600S139000, C600S143000, C600S146000

Reexamination Certificate

active

06899674

ABSTRACT:
The present invention relates to an endoscope shaft comprising a movable distal end portion which is bendable by means of an operating device, the distal end portion having at least one decentralized hose member extending along the distal end portion, said hose member being integrally formed of a plurality of directly superimposed expansion bellows and forming a continuous pressure chamber so as to expand in the longitudinal direction when pressure is applied.

REFERENCES:
patent: 4890602 (1990-01-01), Hake
patent: 5577992 (1996-11-01), Chiba et al.
patent: 5860914 (1999-01-01), Chiba et al.
patent: 6503194 (2003-01-01), Pauker
patent: 44 35 644 (1995-04-01), None
patent: 100 10 932 (2001-09-01), None
patent: WO 01/80935 (2001-11-01), None

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