Endoscopic method using sheath

Details Endoscopic method using sheath Endoscopic method using sheath

1993-06-07

1994-10-11

Apley, Richard J.

Surgery

Truss

Perineal

604 96, A61B 100

Patent

active

053537831

ABSTRACT:
An endoscopic method utilizes a substantially thin-walled elongate tubular sheath including an annular inflatable balloon, the sheath having a use configuration with an inner diameter larger than an outer diameter of an insertion member of an endoscope, whereby the sheath may be removably disposed about such insertion member and retained on the insertion member by inflating the annular balloon 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.

REFERENCES:
patent: 4141364 (1979-02-01), Schultze
patent: 4406656 (1983-09-01), Hattler et al.
patent: 4498473 (1985-02-01), Gereg
patent: 4846153 (1989-07-01), Berci
patent: 4976261 (1990-12-01), Gluck et al.
patent: 5025778 (1991-06-01), Silverstein et al.
patent: 5067497 (1991-11-01), Greear et al.

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