Gas sampling apparatus for capnography

Details Gas sampling apparatus for capnography Gas sampling apparatus for capnography

1986-04-16

1987-07-07

Cohen, Lee S.

Surgery

Truss

Pad

7386358, 7386381, 422 84, A61B 508

Patent

active

046779876

ABSTRACT:
A connector and sampling line for obtaining sample gases from a patient's exhaled gas stream present in an air tube coupled to the patient is disclosed. The sampling line comprises a sampling end portion having an open end and at least one hole in a wall of the end portion. A tubular shaped connector through which the gas stream passes along a first path includes a hollow cylinder coupled to the wall of the connector and protruding therefrom. The hollow interior of the connector communicates with ambient atmosphere through a distal open end and to the interior of the tubular portion of the connector through a hole in the connector wall. The sampling line includes a reinforced portion adjacent the sampling end portion for reinforcement. The hollow cylinder has an interior diameter large enough to receive the reinforced portion and substantially larger than the hole in the connector wall which hole is large enough to receive the sampling end portion. The cylinder interior is tapered to receive and frictionally engage the reinforced portion of the sampling tube.

REFERENCES:
patent: 3035569 (1962-05-01), Dubsky et al.
patent: 4456014 (1984-06-01), Buck et al.
patent: 4558709 (1985-12-01), Aida et al.

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