Method for manufacturing an optical probe

Details Method for manufacturing an optical probe Method for manufacturing an optical probe

1991-08-26

1995-01-24

Green, Randall L.

Surgery

Truss

Pad

29428, 29517, A61B 500

Patent

active

053834534

ABSTRACT:
An improved optical probe for the invasive measurement of blood parameters is disclosed that minimizes reading inaccuracy due to mechanical stresses. An optical probe for the invasive measurement of blood parameters is typically made up of various sensors that end in a sheath. Each sensor is connected to a monitor via an optical fiber. The optical fibers are surrounded by a tube. In the region where the sheath adjoins the tube, the sheath is deformed by crimping such that a better mechanical contact (form-locking) between the sheath, the sensors, and the tube can be obtained, in order to avoid systemic errors caused by displacement of the optical fibers inside the sheath.

REFERENCES:
patent: 4005522 (1977-02-01), Dalgleish
patent: 4220398 (1980-09-01), Dalgoutte
S. R. Goldstein et al.., "A Miniature Fiber Optic pH Sensor for Physiological Use", Journal of Biomechanical Engineering, May 1980, vol. 102, pp. 141-146.
J. L. Gehrich et al., "Optical Fluorescence and Its Application to an Intravascular Blood Gas Monitoring System", IEEE Transactions on Biomedical Engineering, Feb. 1986, No. 2, pp. 117-132.

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