Gas collecting unit

Details Gas collecting unit Gas collecting unit

1994-02-04

1996-06-18

Cohen, Lee S.

Surgery

Truss

Pad

128730, 12820123, A61B 5097

Patent

active

055268188

ABSTRACT:
A gas collecting unit (8) suitable for the examination of a patient's respiratory gas, which gas collecting unit is supplied from one or a plurality of gas sources (1) with a gas to be respired by a patient, and which gas collecting unit is used for delivering a gas, which at least partially contains a gas expired by a patient, to a measuring device (13) for examination. The gas collecting unit (8) comprises a dome (15) having a shell (17) which at least partially encloses a gas space (18) and which dome includes an opening (19) for pushing the head of a patient therethrough at least partially into the gas space (18) within the dome. A collar (16) has a wall (20) which extends around the dome opening (19) and which collar includes a neck opening (22) surrounded by the wall (20) for introducing the head of a patient therethrough towards the gas space (18). The wall (20) of said collar connects the shell of said dome (15) against the skin of a patient. The wall (20) surrounding the neck opening (22) of the collar is at least partially made of an elastic material.

REFERENCES:
patent: 2418473 (1947-04-01), Lambertsen et al.
patent: 3744491 (1973-07-01), Fischer
patent: 4407280 (1983-10-01), Trammell et al.
patent: 4589408 (1986-05-01), Singer
patent: 4637383 (1987-01-01), Lopez
patent: 4763664 (1988-08-01), Merilainen
patent: 4856531 (1989-08-01), Merilainen
patent: 4889113 (1989-12-01), Pelloux-Gervais et al.
patent: 5335653 (1994-08-01), Blomqvist et al.

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