Surgical fluid suction accumulator and volume measurement device

Details Surgical fluid suction accumulator and volume measurement device Surgical fluid suction accumulator and volume measurement device

1995-06-06

1997-08-12

Jones, Mary Beth

Surgery

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

Material introduced into and removed from body through...

604 65, 604 67, 604118, 604119, 604318, 604320, 604902, 137205, A61M 3100, A61M 100

Patent

active

056560273

ABSTRACT:
An apparatus for minimizing trauma to a medical fluid while transporting the medical fluid from a surgical wound by reducing the air to fluid interface during transport. The apparatus includes a suction wand for collecting medical fluid and tubing for transporting the medical fluid to a reservoir. The reservoir repeatedly accumulates the medical fluid and discharges it in a bolus when a predetermined volume is achieved. The reservoir comprises a fluid inlet, a fluid outlet, and a gas outlet. A siphon is disposed inside the reservoir for removing the bolus of medical fluid once the predetermined fluid volume is accumulated. The siphon includes a first end for suctioning the medical fluid and a second end exiting the reservoir through the fluid outlet, thereby defining an external siphon length. A pump is attached to the second siphon end to provide suction to the system. A bypass line connects the reservoir, from its gas outlet, to the external siphon length thereby removing air from the reservoir and, thus, increasing the reduction of the air to fluid interface during transport of the medical fluid.

REFERENCES:
patent: 3866608 (1975-02-01), Reynolds et al.
patent: 3918453 (1975-11-01), Leonard
patent: 4781707 (1988-11-01), Boehringer et al.
patent: 5055198 (1991-10-01), Shettigar
patent: 5378227 (1995-01-01), O'Riordan
patent: 5407425 (1995-04-01), Werner et al.

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