Biological pressure transducer zeroing and levelling reference a

Details Biological pressure transducer zeroing and levelling reference a Biological pressure transducer zeroing and levelling reference a

1990-10-11

1992-04-14

Hindenburg, Max

Surgery

Truss

Pad

128748, A61B 502

Patent

active

051038323

ABSTRACT:
A medical pressure measurement device which employs a reference transducer linked to an atmospheric pressure sensitive device while also connected in immediate proximity to a single or several pressure measurement transducers which allows for automatic correction for hydrostatic transducer height difference from patient point to reference (usually some point on the patient's external anatomy equivalent in vertical height to the right atrium of the heart) to transducer position; while providing a constant zero pressure reference, i.e., ambient atmospheric pressure to the monitoring device via said reference transducer system.

REFERENCES:
patent: 3095872 (1959-11-01), Tolks
patent: 4576035 (1986-03-01), Hooven et al.
patent: 4779626 (1988-10-01), Peel et al.
Corbett et al., "A Self-Levelling Central Venous Eletromanometer", Med. and Biol. Engr., vol. 12, No. 3, 5/74, p. 366.
Blackburn, J. P., "Self-levelling Venous Pressure Transducer", Br. Med. J.; V. 4f825 12/68.
Palley et al., "A computerized System for Routine Cardiac Output Measurements", Proceedings of the 23rd Conference on Eng. in Bio. and Med. 11/70, p. 4.

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