Aspirator

Details Aspirator Aspirator

1989-10-25

1991-06-18

Rosenbaum, C. Fred

Surgery

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

Material introduced into and removed from body through...

604236, 604 73, 604216, 604319, A61M 100

Patent

active

050246534

ABSTRACT:
An aspirator for removing a body liquid from a body cavity comprising a cylindrical receptacle having a top wall comprising a flap valve, and an aspirating tube, one end of said aspirating tube being connected with the upper part of the receptacle and the other end having such a shape that it can be inserted into the body cavity, said receptacle being partly surrounded by a cylindrical cap-shaped member having a top wall including a flap valve, the cap-shaped member having such a shape that an axial displacement of the cap-shaped member relative to the receptacle produces a vacuum in the space between the cap-shaped member and the receptacle.
The aspirator is more compact and of a simpler construction than the corresponding prior art aspirators.

REFERENCES:
patent: 350895 (1886-10-01), Ruault
patent: 386603 (1888-07-01), Parsons
patent: 657440 (1900-09-01), McCaw
patent: 2073069 (1937-03-01), Lee
patent: 4058123 (1977-11-01), May
patent: 4112947 (1978-09-01), Nehring
patent: 4319570 (1982-03-01), Grane
patent: 4457747 (1984-07-01), Tu
patent: 4460354 (1984-07-01), Weilbacher et al.
patent: 4462088 (1987-02-01), Gunter
patent: 4643719 (1987-02-01), Garth et al.

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