Endoscopes

Surgery – Truss – Pad

Patent

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Details

128 7, 128305, A61B 1732

Patent

active

041379209

ABSTRACT:
Endoscope instrument assembly in which a dual channel guide member, containing a telescope in one channel and a support for a slitting blade in the other channel, is displaceable from an inner barrel and replaceable by a separate elongated tube which is sized to receive the same telescope and which has at its distal end an annular cutting edge.

REFERENCES:
patent: 2031020 (1936-02-01), Wappler
patent: 2708437 (1955-05-01), Hutchins
patent: 2888017 (1959-05-01), Wallace
patent: 2990830 (1961-07-01), Hett
patent: 3606878 (1971-09-01), Kellogg, Jr.
patent: 3835854 (1974-09-01), Jewett
patent: 3850175 (1974-11-01), Iglesias
patent: 4011869 (1977-03-01), Seiler, Jr.

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