Linear, low noise inflation system for blood pressure monitor

Details Linear, low noise inflation system for blood pressure monitor Linear, low noise inflation system for blood pressure monitor

1987-03-23

1989-05-23

Howell, Kyle L.

Surgery

Truss

Pad

128682, A61B 502

Patent

active

048320390

ABSTRACT:
A compact, low noise inflation system for pressurizing occlusion cuffs used in conjunction with automatic blood pressure monitoring equipment. In the preferred embodiment, an electric pump is controlled by a closed-loop, pressure feedback control circuit which compares the cuff pressure with a desired pressurization profile set by the user or stored in a memory device. Acoustic filters are connected to the intake and exhaust ports of the pump to attenuate the intensity of acoustic noise and pressure waves to allow accurate detection of oscillometric pulse data by the blood pressure monitoring system.

REFERENCES:
patent: 4378807 (1983-04-01), Peterson et al.
patent: 4493326 (1985-04-01), Hill et al.
patent: 4567899 (1986-02-01), Kamens et al.
patent: 4625277 (1986-11-01), Pearce et al.
patent: 4703760 (1987-11-01), Miyawaki et al.

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