Automatic sphygmomanometer

Details Automatic sphygmomanometer Automatic sphygmomanometer

1990-02-22

1992-03-03

Howell, Kyle L.

Surgery

Truss

Pad

128677, A61B 502

Patent

active

050923382

ABSTRACT:
An automatic sphygmomanometer is provided with an inflatable cuff adapted to be wrapped around an arm of a patient, instrument body for feeding compressed air into said cuff and for sensing blood pressure, a pump compartment having two end plates and pump disposed therein, a connecting tube which extends through an opening of the end plate of a pump compartment and which is formed of a soft silicone rubber, a seal for providing a noise seal between said connecting tube and the opening of the pump compartment. An elastomeric body is [shaped to receive said pump therein] rounded around the outer circumferential surface of said pump. The pump is accommodated within said compartment in a state where each end flat surface of said pump is exposed to a space which is defined between the end flat surface of the pump and an inner surface of the end plate of the pump compartment and a plurality of ribs which are formed on an inner circumferential surface of said elastomeric body, forming a gap between the inner circumferential surface of the pump compartment and the outer circumferential surface of said elastomeric body.

REFERENCES:
patent: 3405288 (1968-10-01), Dittrich
patent: 3527204 (1970-09-01), Lem
patent: 3905353 (1975-09-01), Lichowsky
patent: 4088126 (1976-05-01), Gemind
patent: 4328810 (1982-05-01), Hill
patent: 4371143 (1983-02-01), Ishida
patent: 4378807 (1980-12-01), Peterson
patent: 4471935 (1984-09-01), Chiba
patent: 4607641 (1986-08-01), Fukushima
patent: 4646754 (1987-03-01), Seale
patent: 4679759 (1987-07-01), Ford
patent: 4768925 (1988-09-01), Geupel

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