Positive pulse device

Details Positive pulse device Positive pulse device

1980-10-14

1982-02-16

Michell, Robert W.

Surgery

Respiratory method or device

Ozone or ion generation

251 63, A61M 100

Patent

active

043155065

ABSTRACT:
A device for use in vacuum suction systems for withdrawing fluids from a patient's body cavity, such as the stomach, wherein the device includes a chamber that is located in the flow stream of such fluids between the patient and the source of vacuum. At predetermined intervals, the device forces a quantity of the withdrawn fluid from the chamber, back into the suction tubing leading to the patient such that some of the fluid previously removed from the body cavity is forced backward toward such cavity under a positive pressure to dislodge any obstructions that may have occurred in the tubing or at the end of such tubing. In the preferred embodiment, the device is effectively self-contained and needs no source of positive pressure or electricity for its operation and is readily and fully operable from present commercial intermittent suction systems without revamping or otherwise modifying existing systems.

REFERENCES:
patent: 3429313 (1969-02-01), Romanelli
patent: 3955574 (1976-05-01), Rubinstein
patent: 4041944 (1977-08-01), Rhodes
Catalog Cut "Snyder Laboratories" New Philadelphia, Ohio, Sep. 1969.

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