Cuff for blood pressure measuring apparatus

Details Cuff for blood pressure measuring apparatus Cuff for blood pressure measuring apparatus

1987-10-07

1989-07-25

Jaworski, Francis

Telegraphy

Systems

Printing

A61B 502

Patent

active

048503690

ABSTRACT:
A cuff for blood pressure measuring apparatus, which is made of flexible material, includes an inner surface and outer surface. The inner surface defines a cylindrical space for a finger to be inserted thereinto, while the outer surface together with the inner surface defines a fluid chamber for applying pressure to the finger. A light-emitting element for emitting light at an artery of the finger and a light-sensitive element for receiving the reflected light from said artery are mounted on the inner surface adjacent to each other. A plurality of elements are provided at least either for the light-emitting element or for the light-sensitive element, thereby expanding the detection range of the arterial pulse wave in the finger. The cuff is also provided with a device for triggering or halting air into or from the cuff when desired and for ensuring that air is exited from the cuff.

REFERENCES:
patent: 3482565 (1969-12-01), Gowen
patent: 3908636 (1974-02-01), Page
patent: 4030483 (1977-06-01), Stevens
patent: 4063551 (1977-12-01), Sweeney
patent: 4129124 (1978-12-01), Thalman
patent: 4163447 (1979-08-01), Orr
Hammer, W. E. et al, "Blood Pressure Finger Cuff", IBM Tech. Discl. Bulletin, vol. 8, #4, Sep. 1965.

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