Continuous flow hysteroscope

Details Continuous flow hysteroscope Continuous flow hysteroscope

1992-04-27

1994-06-14

Apley, Richard J.

Surgery

Truss

Perineal

128 7, 128 6, A61B 100

Patent

active

053200918

ABSTRACT:
A continuous flow hysteroscope is shown. The hysteroscope includes an outer sheath having an outer surface, an inner surface and a hollowed-out central area extending along a central axis which extends therethrough. The outer sheath has a proximal section and a distal section. The distal end includes a plurality of openings communicating between the outer surface and inner surface. The openings have a predetermined shape and pass fluid exterior to the distal section therethrough and into the hollowed-out central area. The proximal section of the outer sheath includes an outlet and an inlet. An inner member is positioned within the hollowed-out central area and includes a first channel which is adapted to receive a telescope. A second channel, which is substantially parallel to the first channel is utilized for passing a working tool. The first and second channel are operatively coupled to an inlet for passing fluid therethrough and out of the distal end outer sheath. The fluid passageway cooperates with the plurality of openings to pass fluid through the opening from the outer surfaces to the inner surfaces, through the fluid passageway and through the outlet of the outer sheath. The inner member includes an obturator closure means to isolate inflow and outflow distally, to prevent cross flow and to reduce patient trauma at time of insertion of the hysteroscope.

REFERENCES:
patent: 3835842 (1974-09-01), Iglesias
patent: 3850175 (1974-11-01), Iglesias
patent: 3939839 (1976-02-01), Curtiss
patent: 4132227 (1979-01-01), Ibe
patent: 4432727 (1984-01-01), Windran et al.
patent: 4630598 (1986-12-01), Bonnet

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