Device for irrigation of body cavities

Details Device for irrigation of body cavities Device for irrigation of body cavities

1994-09-19

1996-09-17

Yasko, John D.

Surgery

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

Material introduced into and removed from body through...

604153, A61M 100

Patent

active

055563783

ABSTRACT:
A device for the irrigation and suction drainage of body cavities, especially in surgical laparoscopy, hysteroscopy, uroscopy, or arthroscopy. The device comprises two conventional pumps, each being equipped with a pressure sensor and being preferably designed as rotary tube pumps. The irrigation pump and the suction drainage pump are connected with each other by way of a control line, and they operate in a master-slave mode. Operation is very simple, in that only the irrigation pump needs to be adjusted and operated by the operator. Control of the suction drainage pump takes place automatically based on the measured values of both pressure sensors in the irrigation and suction drainage conduits and the set r.p.m.'s of the irrigation pump. The primary advantage of the device resides in that the suction drainage pump takes care automatically of uniform pressure and flow relationships at the site of the surgery independently of the adjustment of the irrigation pump.

REFERENCES:
patent: 3410268 (1968-11-01), Leucci
patent: 3900022 (1975-08-01), Widran
patent: 4024866 (1977-05-01), Wallach
patent: 4041947 (1977-08-01), Weiss et al.
patent: 4168707 (1979-09-01), Douvas et al.
patent: 4261360 (1981-04-01), Perez
patent: 5098387 (1992-03-01), Wiest et al.
patent: 5213571 (1993-05-01), Fujio et al.

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