Disposable pressure transducer and disposable pressure transduce

Details Disposable pressure transducer and disposable pressure transduce Disposable pressure transducer and disposable pressure transduce

1989-09-18

1992-03-24

Cohen, Lee S.

Surgery

Truss

Pad

128748, 73708, A61B 502

Patent

active

050978411

ABSTRACT:
A disposable pressure transducer for measuring fluid pressure, which includes a sensor assembly in a housing. The housing includes a fluid chamber and a sensor-accommodating chamber which are formed integrally with each other. The sensor assembly comprises: a sensor chip for converting pressure into an electrical signal; an insulating board on which the sensor chip is mounted and which is provided with an integrated-circuit for processing an output signal of the sensor chip so that an external measuring device can read the signal; a cylindrical coupling lid which is bonded to the board in such a manner as to surround the sensor chip and which is fitted into a communication through-hole which provides communication between the fluid chamber and the sensor-accommodating chamber of the housing; a pressure-transmitting medium charged into the interior of the coupling lid so as to provide electrical insulation between the fluid chamber and the sensor chip; and an electrical cable connected to the board and electrically connected to the external measuring device.

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patent: 4779625 (1988-10-01), Cole
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