1
Fred E Silverstein, Eric A Opie: Protective endoscope sheath and method of installing same. Opielab, Seed and Berry, March 3, 1987: US04646722 (710 worldwide citation)

An endoscope sheath having a flexible tube surrounding the elongated core of an endoscope. The flexible tube has a transparent window near its distal end positioned in front of the viewing window of the endoscope. Channels for taking biopsies, injecting air or injecting water to wash the window of t ...


2
Fred E Silverstein, Eric A Opie deceased: Endoscope with potential channels and method of using the same. Opielab, Seed and Berry, June 25, 1991: US05025778 (383 worldwide citation)

An apparatus and method for providing an endoscope with a plurality of potential channels is disclosed. A tubing having a radially flexible wall is positioned adjacent the endoscope insertion tube. The tubing is collapsed prior to inserting the insertion tube into the patient's body. After the inser ...


3
Eric A Opie, Fred E Silverstein: Endoscope for use with a disposable sheath. OpieLab, Seed and Berry, September 26, 1989: US04869238 (168 worldwide citation)

An endoscope specially adapted for use with a disposable sheath having an outer casing and one or more internal channels. The endoscope includes a tip portion connected to a control handle through a flexible insertion tube. The insertion tube is formed by a braided wire tube covered by a flexible wa ...


4
Eric Opie deceased, Fred E Silverstein, David R Kreft: Flexible endoscope. Opielab, Seed and Berry, August 14, 1990: US04947827 (125 worldwide citation)

Various methods and mechanical devices for providing manipulation and steering of the bending section of an endoscope having a sheath thereon is disclosed. In one embodiment, the longitudinal center axis of a biopsy type is aligned with the longitudinal center of the insertion tube, both being in co ...


5
Eric Opie, Fred E Silverstein: Contamination protection system for endoscope control handles. Opielab, Seed and Berry, May 2, 1989: US04825850 (97 worldwide citation)

A contamination system for endoscopes having a handle, an insertion tube projecting from the handle, and control knobs detachably mounted on control shafts projecting from the handle to control the angular orientation of distal end of the insertion tube. The handle is placed in a liquid-impermeable ...


6
Eric Opie, Fred E Silverstein: Packaging system for disposable endoscope sheaths. Opielab, Seed and Berry, March 5, 1991: US04997084 (83 worldwide citation)

A system for packaging disposable endoscope sheaths so that they do not become contaminated prior to use during shipment, storage and installation on an endoscope. The packaging system also prevents the spread of contamination after use while the sheath is being removed from the endoscope and then d ...


7
Eric Opie, Fred E Silverstein, Elizabeth J Terry: Packaging system for disposable endoscope sheaths. Opielab, Seed and Berry, March 13, 1990: US04907395 (71 worldwide citation)

A system for packaging disposable endoscope sheaths so that they do not become contaminated prior to use during shipment, storage and installation on an endoscope. The packaging system also prevents the spread of contamination after use while the sheath is being removed from the endoscope and then d ...


8
Eric A Opie, Fred E Silverstein: Contamination-free endoscope valves for use with a disposable endoscope sheath. Opielab, Seed & Berry, August 1, 1989: US04852551 (60 worldwide citation)

An endoscope and valve system specially adapted for use with a disposable sheath having a plurality of channels and respective resilient tubes extending therefrom. In one embodiment, the resilient tubes extend along grooves formed in the side of an endoscope control handle and are captured behind a ...


9
Opie Eric, Silverstein Fred E: Contamination protection system for endoscope control handles.. Opielab, November 15, 1989: EP0341719-A1 (35 worldwide citation)

A contamination protection system for an endoscope (10) having a handle (12), an insertion tube (16) projecting from the handle, and control knobs (40, 44) detachably mounted on control shafts (86, 88) projecting from the handle to control the angular orientation of the distal end of the insertion t ...


10
Opie Eric, Silverstein Fred E: Packaging system for disposable endoscope sheaths.. Opielab, November 15, 1989: EP0341718-A1 (21 worldwide citation)

A system for packaging disposable endoscope sheaths (22) so that they do not become contaminated prior to use during shipment, storage and installation on an endoscope (10). The packaging system also prevents the spread of contamination after use while the sheath is being removed from the endoscope ...