Automatic blood pressure measuring system

Details Automatic blood pressure measuring system Automatic blood pressure measuring system

1996-01-26

1998-08-11

Nasser, Robert L.

Surgery

Truss

Pad

128681, 128682, A61B 500

Patent

active

057913480

ABSTRACT:
An automatic blood pressure measuring system employs an oscillometric method, a cuff applying pressure to an arterial vessel and then gradually reducing the pressure. On a distal side of the cuff, as seen from the heart of the subject, a pulse wave sensor presses against a distal section of the vessel. If the pulse wave sensor detects a pulse wave from the distal section of the vessel after the force applied by the cuff reaches a first target value, indicating that the initial pressure was insufficiently low, the force is increased to a second target value. After determining a relationship between the blood pressure and the magnitude of the pulse wave detected by the pulse wave sensor, blood pressure can be monitored by the pulse wave sensor.

REFERENCES:
patent: 4696151 (1987-09-01), Utsunomiya et al.
patent: 4870973 (1989-10-01), Ueno
patent: 4872461 (1989-10-01), Miyawaki
patent: 4905704 (1990-03-01), Walloch
patent: 4924874 (1990-05-01), Murase
patent: 4928701 (1990-05-01), Harada et al.
patent: 5099853 (1992-03-01), Uemura et al.

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