Internal pressure measuring device using catheter with multiple

Details Internal pressure measuring device using catheter with multiple Internal pressure measuring device using catheter with multiple

1990-03-23

1991-11-12

Pellegrino, Stephen C.

Surgery

Truss

Pad

128692, 128650, 128748, 73 4R, A61B 502

Patent

active

050639366

ABSTRACT:
Pressure measuring lumen allows a coarse pressure value of a subject to be read. A liquid filled lumen is allowed to pressure communicate with an atmosphere adjacent to a patient, through the use of a membrane and an atomosphere-opening lumen. A liquid pressure value read from the liquid filled lumen is used to adjust the pressure value to compensate for pressure changes induced by a positional change of the subject.

REFERENCES:
patent: 4603699 (1986-08-01), Himpens
patent: 4779626 (1988-10-01), Peel et al.
patent: 4807477 (1989-02-01), Myers et al.
patent: 4854326 (1989-08-01), Merrick

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