05217001 is referenced by 136 patents and cites 10 patents.

A device utilizable with an endoscope to promote sterility comprises a substantially thin-walled elongate tubular sheath made of a flexible material such as rubber, the sheath having a use configuration with an inner diameter larger than an outer diameter of an insertion member of the endoscope, whereby the sheath may be removably disposed about such insertion member to substantially surround same prior to insertion of the insertion member into a patient. The device further comprises a transparent cap member and an element or elements for attaching the cap member in a fluid tight seal to a distal end of the sheath so that the cap member covers a distal end of the insertion member of the endoscope. Biopsy channels, some of which are expandable from collapsed configurations to receive endoscopic surgical instruments during an operation, are provided on or in the sheath.

Title
Endoscope sheath and related method
Application Number
7/803569
Publication Number
5217001
Application Date
December 9, 1991
Publication Date
June 8, 1993
Inventor
Peter J Wilk
185 W. End Ave., New York, 10023
NY, US
Naomi L Nakao
303 E. 57th St., New York, 10022
NY, US
Agent
Henry D Coleman
R Neil Sudol
IPC
A61B 1/00
View Original Source