Endoscopic retractor instrument and associated method

Details Endoscopic retractor instrument and associated method Endoscopic retractor instrument and associated method

2005-07-05

2005-07-05

Woo, Julian W. (Department: 3731)

Surgery

Instruments

Internal pressure applicator

C604S101010

Reexamination Certificate

active

06913610

ABSTRACT:
An endoscopic retractor instrument has (a) a plurality of parts movably connected to one another, (b) componentry for mounting the parts in a collapsed or reduced-size configuration to a flexible and steerable insertion member of an endoscope, and (c) one or more actuation elements operatively connected to the parts for enabling a movement of the parts relative to one another so that the parts assume an enlarged or expanded configuration for spreading internal tissues of a patient. The movable parts of the retractor instrument may be inflatable balloon parts enabling insertion of the retractor in a substantially collapsed configuration and a later expansion at the site of interest.

REFERENCES:
patent: 4241735 (1980-12-01), Chernov
patent: 5354270 (1994-10-01), Wilk et al.
patent: 5411479 (1995-05-01), Bodden
patent: 5630843 (1997-05-01), Rosenberg
patent: 5634883 (1997-06-01), Chin et al.
patent: 6048330 (2000-04-01), Atala
patent: 6409723 (2002-06-01), Edwards
patent: 6425877 (2002-07-01), Edwards

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