Endoscope, endoscope system, and method of manufacturing...

Details Endoscope, endoscope system, and method of manufacturing... Endoscope, endoscope system, and method of manufacturing...

2007-01-05

2010-12-14

Johnson, III, Henry M (Department: 3769)

Surgery

Instruments

C600S139000, C600S140000, C600S101000

Reexamination Certificate

active

07850678

ABSTRACT:
An endoscope of the invention is the endoscope for applying a propulsion force in a direction of insertion axis of an insertion portion main body in accordance with rotation of the insertion portion main body based on driving force of a driving member, and the endoscope includes a flexible elongated inner layer tube configured as a shaft of the insertion portion; and a spiral-shaped portion rotatable around the inner layer tube as an axial center based on the driving force of a motor, the spiral-shaped portion forming an outer surface of the insertion portion main body, in which the spiral-shaped portion is formed by a nondensely wound coil and a resin thin film provided so as to cover gaps of a wire forming the metal coil.

REFERENCES:
patent: 6425418 (2002-07-01), Maeda et al.
patent: 6503193 (2003-01-01), Iwasaki et al.
patent: 7048717 (2006-05-01), Frassica
patent: 2003/0220543 (2003-11-01), Abe
patent: 2004/0087885 (2004-05-01), Kawano et al.
patent: 2005/0272976 (2005-12-01), Tanaka et al.
patent: 10-113396 (1998-05-01), None
patent: 2004-081656 (2004-03-01), None

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