Laparoscopic irrigation bottle pump

Details Laparoscopic irrigation bottle pump Laparoscopic irrigation bottle pump

1993-09-02

1996-07-16

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604135, A61M 514, A61M 3700

Patent

active

055362540

ABSTRACT:
A laparoscopic irrigation system and bottle pump for controlling a source of gas pressure driving a source of irrigation solution that includes a monitor for monitoring the source of gas pressure and indicating when the gas pressure falls below a predetermined value. Also, the liquid level of the source of irrigation solution is monitored via infrared radiation and when the level falls to a predetermined value it is detected, a visual and an audible signal is actuated and an alternative source of irrigation solution is selected. Further the level of gas pressure driving the source of irrigation solution is controllable with an electronic circuit containing a stepping motor mechanically connected to a pressure regulator.

REFERENCES:
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patent: 3641543 (1972-02-01), Rigby
patent: 3648694 (1972-03-01), Mogos et al.
patent: 4029094 (1977-06-01), Winicki
patent: 4117843 (1978-10-01), Banko
patent: 4332246 (1982-06-01), Thomson
patent: 4872872 (1989-10-01), Polak
patent: 4913698 (1990-04-01), Ito et al.
patent: 5019037 (1991-05-01), Wang et al.

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