Safety monitoring apparatus for a patient care system

Details Safety monitoring apparatus for a patient care system Safety monitoring apparatus for a patient care system

1996-10-04

1998-09-01

Buiz, Michael Powell

Surgery

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

Treating material introduced into or removed from body...

604 66, 604 50, A61M 3100

Patent

active

058003878

ABSTRACT:
In accordance with the present invention, a safety monitoring apparatus provides protection in the event of an alarm condition or failure in a patient care system. More particularly, the safety monitoring apparatus is an independent functional unit within a device such as an infusion pump unit which provides single-fault protection in the event of an alarm condition or failure in the pump itself or in the primary control and monitoring means of the pump. The safety monitor utilizes control and signal inputs and can detect fault conditions independently of the primary control and monitoring means of the pump. Parameters which the safety monitoring apparatus may independently monitor in an infusion pump include motor control, air-in-line, flow-stop detection, mechanism motion, pressure sensing, door position sensing, and total volume infused. If a fault condition is sensed, the safety monitor can notify the primary control means, independently shut down fluid delivery, or sequentially do both.

REFERENCES:
patent: 5010473 (1991-04-01), Jacobs
patent: 5304127 (1994-04-01), Kawahara et al.
patent: 5356378 (1994-10-01), Doan
patent: 5368562 (1994-11-01), Blomquist et al.

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