A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 1/04 (2006.01) A61B 1/05 (2006.01) A61B 1/313 (2006.01)
Patent
CA 2105759
11 Invention: REPLACEABLE LENS ASSEMBLY FOX VIDEO LAPAROSCOPE Abstract of the Disclosure: A video laparoscope has a miniature video camera disposed at the distal end of its insertion tube. A removably installed tubular lens cell contains one or more focussing lenses. The lens cell has a male-threaded first end and a second end on which is formed a radial flange of a predetermined diameter. A tubular lens retainer canister is fixedly mounted in the distal end of the insertion tube, and has an outer distal portion with a diameter to match the diameter of the flange. A sealing portion adjacent to this has a smaller diameter, and biases against an O-ring or similar sealing member. A female-threaded proximal portion is screwed into the male- threaded first portion of the lens cell.
Pileski Michael J.
Wood Robert J.
Borden Ladner Gervais Llp
Welch Allyn Inc.
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