Surgical aspirator with poppet control valve

Details Surgical aspirator with poppet control valve Surgical aspirator with poppet control valve

1981-10-29

1984-05-29

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604902, 604 33, 433 95, 251325, A61M 100

Patent

active

044512570

ABSTRACT:
A surgical aspirator adaptable for body cavity or passageway use includes a handle having a vacuum passage extending longitudinally therethrough and a valve bore extending perpendicularly therethrough to receive a poppet in sealing fashion. The poppet includes sealing ribs protruding radially therefrom and extending longitudinally therealong to form a seal in the bore in any rotational position. The poppet also includes a radio-opaque pin which extends through the open port thereof. An aspirator tube is received in a bore in the handle, and is retained therein by the frictional engagement of an elongated hole in the aspirator tube which includes edges deformed radially outwardly therefrom to engage the bore. The distal end of the aspirator tube includes crossed slots extending therethrough and through adjacent side wall portions to prevent clogging thereof. An aspirator sheath is received concentrically about the aspirator tube, and includes a plurality of perforations therethrough to provide aspiration in body cavities. The sheath is joined to the aspirator tube by a detent slot formed therein with edges turned inwardly to frictionally engage the aspirator handle. The device is sufficiently simple to be readily sterilized for reuse, or to be fabricated in disposable form.

REFERENCES:
patent: 2712950 (1955-07-01), Siebert
patent: 3090396 (1963-05-01), Rudelick
patent: 3159378 (1964-12-01), Haag
patent: 3426759 (1969-02-01), Smith
patent: 3929126 (1975-12-01), Corsaut
patent: 3950014 (1976-04-01), Doubleday
patent: 4134573 (1979-01-01), Messinger
patent: 4193406 (1980-03-01), Jinotti
patent: 4212300 (1980-07-01), Meals

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