Suction-irrigation equipment with control valve

Details Suction-irrigation equipment with control valve Suction-irrigation equipment with control valve

1983-03-21

1985-07-02

Rosenbaum, C. Fred

Surgery

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

Material introduced into and removed from body through...

433 95, 604119, 604902, A61M 100

Patent

active

045265739

ABSTRACT:
A suction irrigator, particularly for surgical use, is made as two units of plastics material. One unit is formed by a handle having first and second parallel bores which are coupled respectively to a suction source and a source of irrigating fluid. The other unit comprises a valve assembly the housing of which is formed by injection moulding. The valve assembly has two inlet conduits which are inserted within respective bores in the handle, and an outlet conduit which can be connected to one or the other of the inlet conduits by displacing a valve member. The bores extend along tubular formations in the handle which are linked along most of their length by a land but which are separated by a slit close to the valve. On the handle there is a lip positioned to engage a resilient catch on the valve member and thereby limit its displacement.

REFERENCES:
patent: 1843169 (1932-02-01), McKesson
patent: 2812765 (1957-11-01), Tofflemire
patent: 3279748 (1966-10-01), Coulter
patent: 3944261 (1976-03-01), Reed et al.
patent: 4193406 (1980-03-01), Jinotti
patent: 4211588 (1980-07-01), Raines
patent: 4451257 (1984-05-01), Atchley

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