Laryngoscope

Details Laryngoscope Laryngoscope

1988-11-04

1990-08-14

Grieb, William H.

Surgery

Truss

Perineal

128 10, A61B 126

Patent

active

049478966

ABSTRACT:
A laryngoscope has a blade and a removably attached handle, which can be fixed to the blade at a desired angle. The blade has a predetermined cross-section of compound curvature defining a plurality of channels, including a viewing channel and a plurality of service channels. The blade also supports twin halogen lights which project light down opposing axial sides of the blade structure. Electric wires run in the service channels between the lights and batteries received in the handle. An adjustable position suction tube is entrained in the blade in another service channel, with an adjustment actuator supported on the handle. A roughened surface is formed in a tongue contact area of the blade to enhance frictional engagement of the patient's tongue.

REFERENCES:
patent: 1613373 (1927-01-01), Beck
patent: 2433705 (1947-12-01), Palmeter
patent: 2648329 (1953-08-01), Morch
patent: 2708437 (1955-05-01), Hutchins
patent: 3638644 (1972-02-01), Reick
patent: 3771514 (1973-11-01), Huffman et al.
patent: 3826248 (1974-07-01), Gobels
patent: 4126127 (1978-11-01), May
patent: 4408598 (1983-10-01), Ueda
patent: 4425909 (1984-01-01), Rieser
patent: 4432350 (1984-02-01), Breslau et al.
patent: 4527553 (1985-07-01), Upsher
patent: 4832020 (1989-05-01), Augustine
patent: 4834077 (1989-05-01), Sun

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