Front end structure of endoscope

Details Front end structure of endoscope Front end structure of endoscope

2006-01-13

2009-11-03

Dvorak, Linda C (Department: 3739)

Surgery

Endoscope

With particular distal tip configuration

C600S127000, C600S175000

Reexamination Certificate

active

07611457

ABSTRACT:
An endoscope having an inserted portion, which is to be inserted into a tubular organ, including a bendable portion that is adapted to bend arbitrarily by a remote operation and a distal unit with a window for observation to capture an image of inside the tubular organ, is provided. A plurality of grooves are formed in parallel with an axis of the distal unit on a circumferential surface of the distal unit and the grooves are spaced from each other.

REFERENCES:
patent: 4881810 (1989-11-01), Hasegawa
patent: 5685823 (1997-11-01), Ito et al.
patent: 5897487 (1999-04-01), Ouchi
patent: 5976073 (1999-11-01), Ouchi
patent: 6149659 (2000-11-01), Ahmed
patent: 6676672 (2004-01-01), Chu et al.
patent: 7413543 (2008-08-01), Banik et al.
patent: 10-248792 (1998-09-01), None
patent: 2002-125915 (2002-05-01), None
English Language Abstract of JP 10-248792.
English Language Abstract of JP 2002-125915.
U.S. Appl. No. 11/331,168 to Ouchi, filed on Jan. 13, 2006.

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