Transducer housing with a calibration port

Details Transducer housing with a calibration port Transducer housing with a calibration port

1993-03-10

1993-12-28

Sykes, Angela D.

Surgery

Truss

Pad

128748, 73740, 73 4R, A61B 50215

Patent

active

052730476

ABSTRACT:
A novel pressure transducer apparatus for medical pressure monitoring apparatus having a housing with a calibration port. The patient side of the transducer senses fluid pressures to be monitored. The non-patient side of the transducer is hermetically sealed in the housing of the apparatus. The housing has a female calibration port communicating, via a pinhole, with the non-patient side of the transducer. The non-patient side of the transducer can thus alternatively be vented to atmospheric pressure or be exposed to a vacuum calibration pressure.

REFERENCES:
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patent: 4557269 (1985-12-01), Reynolds et al.
patent: 4576181 (1986-03-01), Wallace et al.
patent: 4610256 (1986-09-01), Wallace
patent: 4672974 (1987-06-01), Lee
patent: 4825876 (1989-05-01), Beard
patent: 4873986 (1989-10-01), Wallace
patent: 4920972 (1990-05-01), Frank et al.
patent: 5086777 (1992-02-01), Hishii
NAMIC.RTM.Perceptor.TM. DT Brochure, Jul. 1991.

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