Vacuum curettage device with vacuum indicator

Details Vacuum curettage device with vacuum indicator Vacuum curettage device with vacuum indicator

1977-09-06

1979-12-18

Michell, Robert W.

Surgery

Respiratory method or device

Ozone or ion generation

116272, A61M 100

Patent

active

041789326

ABSTRACT:
There is disclosed a device for performing medical procedures such as curettage, or the like, employing the use of an evacuated vessel, a cannula or similar form of medical implement and a valve arrangement for selectively applying the vacuum to the cannula. An improved vacuum indicator is included within the vessel for providing a positive visual indication as to the presence or absence of an acceptable vacuum level therein. In addition the disclosed embodiment includes a vial or the like for the collection of tissue samples within the vessel, a cover structure for the vessel including a shoulder for engaging the inner periphery of the vial and one or more resilient fingers in concentric arrangement with the shoulder for positively engaging a complementary flange or shoulder formed about the outer periphery of the vial. One or more slots or openings are formed in the shoulder of the manifold for applying the vacuum in the vessel to the vial, and from there to the cannula via an opening in said cover structure.

REFERENCES:
patent: 2445176 (1948-07-01), Hoffman
patent: 3334628 (1967-08-01), Saemann et al.
patent: 3738311 (1973-06-01), Appleton

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