Cutting loop for suction resectoscopes

Details Cutting loop for suction resectoscopes Cutting loop for suction resectoscopes

1977-10-07

1979-01-16

Michell, Robert W.

Surgery

Truss

Pad

A61B 1732

Patent

active

041344065

ABSTRACT:
In a resectoscope of the type having inflow and outflow conduits and in which suction is applied to the outflow conduit, a damaged cutting loop must be replaced by blind insertion of the new loop through the annular passage between the tube which surrounds and holds the telescope and the tube which forms the inner boundary of the outflow conduit, and into the opening of a passage through the fixed block of working element. Such insertion is facilitated by the present invention by the addition to the stem of the loop of a member of arcuate cross section having its axis parallel to the stem of the loop, which is positioned adjacent the proximal end of the stem and which engages and at least partially surrounds the tube which surrounds the telescope and which positions and guides the stem of the loop as it is inserted.

REFERENCES:
patent: 2008525 (1935-07-01), Wappler
patent: 3752159 (1973-08-01), Wappler
patent: 3835842 (1974-09-01), Iglesias
patent: 3901242 (1975-08-01), Storz

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