Differential occlusion sensing method and apparatus

Details Differential occlusion sensing method and apparatus Differential occlusion sensing method and apparatus

1983-05-23

1985-07-02

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 65, 604118, 128DIG13, A61M 500

Patent

active

045265747

ABSTRACT:
The present invention provides an accurate method and apparatus for sensing and monitoring any buildup in the downline tubing pressure in a fluid infusion system. The initial fluid pressure as indicated by the tubing location is sensed after a delay period and is utilized as a base pressure if it is within allowable limits. The infusion tubing location or pressure is then monitored and compared with the base location or pressure. The system will alarm if a preset differential location or pressure change is exceeded.

REFERENCES:
patent: Re31315 (1983-07-01), Jenkins et al.
patent: 4210138 (1980-07-01), Jess et al.
patent: 4213454 (1980-07-01), Shim
patent: 4217993 (1980-08-01), Jess et al.
patent: 4299218 (1981-11-01), Knigge et al.
patent: 4373525 (1983-02-01), Kobayashi
patent: 4385630 (1983-05-01), Gilcher et al.
patent: 4394862 (1983-07-01), Shim
patent: 4431425 (1984-02-01), Thompson et al.

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