Laryngoscope

Details Laryngoscope Laryngoscope

1978-11-13

1981-10-13

Michell, Robert W.

Surgery

Truss

Perineal

A61B 106, A61B 126

Patent

active

042942357

ABSTRACT:
An injection breathing laryngoscope which includes an outer laryngoscope tube having a proximal and a distal open end, said tube having an inner wall which forms a passage between the ends, and an insert tube insertable into the proximal end of said passage, and itself having an inner and an outer wall, the inner wall defining a second passage open from end to end. The outer wall of the insert fits in the inner wall of the laryngoscope tube, and the inner wall of the insert supports a fiber optics bundle tube and a gas injection tube, the insert, when fully installed in the laryngoscope tube, terminates within the laryngoscope tube at a location substantially spaced from the distal end of the laryngoscope tube. The tubes are rotatable relative to one another. If desired, the inner wall of the laryngoscope tube and the outer wall of the insert tube can have matching, locking conical tapers to lock the tubes in an adjusted relative position.

REFERENCES:
patent: 2070820 (1937-02-01), Allyn
patent: 2648329 (1953-08-01), Morch
patent: 3384076 (1968-05-01), Speelman
patent: 3481325 (1969-12-01), Glassman
patent: 3677262 (1972-07-01), Zukowski
patent: 3934578 (1976-01-01), Heine
patent: 3976054 (1976-08-01), Evans
patent: 4106493 (1978-08-01), Proctor et al.
patent: 4126127 (1978-11-01), May

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