Connector for esophageal probe

Details Connector for esophageal probe Connector for esophageal probe

1986-10-16

1989-01-10

Hindenburg, Max

Surgery

Respiratory method or device

Means for quickly connecting or disconnecting apparatus...

604283, A62B 904

Patent

active

047966157

ABSTRACT:
A quick disconnect connector for use with a system for measuring depth of anaesthesia of a patient. For this purpose, a probe is attached to a patient to detect esophageal contractions. The probe is connected to a patient station by means of flexible tri-lumen tubing. The patient station provides a pressure transducer, a source of pressurized air, and a thermistor connection, and in turn is operatively connected to a microprocessor which controls the entire operation. One conduit of the tubing enables communication between a liquid filled balloon within the probe and the transducer at the patient station. Another conduit enables an air balloon within the probe to be connected to the source of pressurized air. Still another conduit receives the electrical lead which extends to the thermistor. The connector is designed to be joined with the tri-lumen tubing at one end, and at its other end is provided with a positive locking construction enabling the probe to be rapidly connected to the source of pressurized air or rapidly disconnected therefrom. For this purpose, the patient station has a female receptacle which matingly receives a male bayonet style fitting on the connector and a resilient gasket on the receptacle is engaged by a terminal rim on the connector to thereby achieve a fluid tight junction.

REFERENCES:
patent: 1171380 (1916-02-01), Arthur
patent: 3805794 (1974-04-01), Schlesinger
patent: 3858910 (1975-01-01), Oetiker
patent: 4502490 (1985-03-01), Evans et al.
patent: 4551146 (1985-11-01), Rogers
patent: 4601701 (1986-07-01), Mueller

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