Surgery – Truss – Perineal
Patent
1978-08-10
1981-06-16
Michell, Robert W.
Surgery
Truss
Perineal
128 16, 362 32, A61D 106
Patent
active
042731127
ABSTRACT:
The invention relates to an improved laryngoscope with a mounting for the incandescent lamp which permits its easy removal for replacement purposes. In one embodiment the lamp can be removed upwardly from the handle of the laryngoscope and in other embodiments it can be removed downwardly with a battery housing located in the handle.
REFERENCES:
patent: 1339711 (1920-05-01), Park
patent: 2595287 (1952-05-01), Perry
patent: 3384076 (1968-05-01), Speelman
patent: 3579269 (1971-05-01), Ostensen
patent: 3638644 (1972-02-01), Reick
patent: 3766909 (1973-10-01), Ozbey
patent: 3916881 (1975-11-01), Heine
patent: 3934578 (1976-01-01), Heine
patent: 4086919 (1978-05-01), Bullard
Heine Helmut A.
Kratzer Rudolf
Rosenbusch Helmut W.
Heine Optotechnik GmbH & Co. KG
Michell Robert W.
Propper Manufacturing Co. Inc.
Rose Arthur S.
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