| 摘要 |
1,081,849. Sigmoidoscopes. SMITH KLINE & FRENCH LABORATORIES. March 22, 1966 [March 22, 1965], No. 12686/66. Addition to 1,048,600. Heading A5R. [Also in Divisions G2] The sigmoidoscope and lighting unit of the Parent Specification is modified in that the lamp unit 12a is formed with a sleeve 32a which fits completely around the end of the sigmoidoscope tube 14a when the sigmoidoscope and lighting unit are secured together. The tube 14a is also formed with slots 41a, 42a to mate with projections 40a on the eyepiece 13a, and with an aperture 49 to align with the air inlet or outlet nipple 18a on the lamp unit. A sealing ring 47 is provided either on each face of the lamp unit as shown, or on the end 19 of the tube 14a and on the eyepiece. The rod 23 carrying the lamp at its distal end is detachably secured by a pin and slot conneotion 52, 51 to a tubular member extending from the projection 25. The sigmoidoscope may be made from a high density polyethylene and the inside of the tube 14a may be given an abraded surface.
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