DOD A-A-54771-1992 LIGHT HEAD DIAGNOSTIC LEMPERT-STORZ《(耳科手术中的) 开窗术诊断灯》.pdf
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1、COMMERCIAL ITEM DESCRIPTION I INCH-POUND I A-A-54771 18 December 1992 LIGHT, HEAD, DIAGNOSTIC, LEMPERT-STORZ The General Services Administration has authorized the use of this commercial item description as a replacement for Military Specification MIL-L-37704 which is cancelled. This commercial item
2、 description covers an adjustable headlight, of the Lempert-Storz design, suitable for use in operating and other medical procedures. Salient characteristics: Shall be a headlight of the Lempert-Storz design, suitable for use in general medical and surgical procedures. The unit shall be supplied in
3、a case, complete with headband, . mirror, lamp, transformer, bayonet-type locking connectors line cord with 3-prong plug and an extra lamp. shall be made from durable lightweight, non-staining nylon and shall be lined with a washable cloth suspension lining. The mirror shall be made from high qualit
4、y optical glass, free from defects. The mirror shall be back surfaced. The headband The lamp shall be of the closely wound filament type matched to the fixed voltage of the transformer. The lamps shall have a current rating of 1 amp., with voltage rating of 8 volts and a minimum life of 25 hours. Th
5、e lamp shall provide a square of light in the central field of the lamps to reduce filament shadow to a minimum. msc N/A FSC 6515 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
6、m IHS-,-,-A-A-54 7 7 1 The transformer shall have a primary input of 115 volts, 50/60 Hz and a secondary output of 8 volts AC. The transformer shall be equipped with a flexible, insulated, 3-wire cord as shown on DPSC Drawing No. 20719. A plug, in accordance with ANSI Standard C73.11 shall be attach
7、ed to one end of the power cord. A cord carrying the secondary transformer voltage shall be permanently attached to the transformer and shall have a insulated shielded cable with high tensile strength. Bayonet lock connectors shall be provided for connecting and disconnecting the transformer assembl
8、y from the headlight proper. Adjustment of the headband shall be easy and self-locking. The unit shall be easily and effectively adjustable by means of a spiral gear assembly that shall provide positive locked beam focusing. The focus of the headlight shall remain unchanged during normal movements o
9、f the operator, or when the mirror assembly is adjusted. The mirror assembly shall be adjustable by means of three supporting tension arms that shall permit both vertical and lateral adjustment. The headband shall permit quick, easy adjustment without the use of locking or pressure nuts. The headban
10、d suspension lining shall effect weight distribution of the headlight, eliminating pressure points. The mirror shall be specially ground, with polished optical surface, full size, and be readily removed and assembled to mirror metal housing. Mirror shall allow the operator director indirect vision i
11、nto a surgical cavity in the same plane as reflected light. The illumination of the headlight assembly shall be brilliant and shadow free when connected to a nominal 115 volt, 50/60 Hz, electrical source. Identification markinq. transformer of the headlight assemblies shall be permanently and legibl
12、y marked with the manufacturers name or registered trademark. Each headband assembly and Case. The complete unit, including extra lamp shall be supplied in a suitable case. The interior of the case shall be designed to hold the components securely in place. Instructions for use. An instruction manua
13、l containing instructions for use and maintenance shall be provided with each unit. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-r - -_ A-A-5477L m 9999974 0320763 223 m A-A-54 7 7 1 Workmanship. The diagnostic headlight shall be free from defec
14、ts which detract from its appearance or impair its serviceability. Unit. Each (EA). One diagnostic headlight as specified, constitutes one unit. -Y ASSURANCE PROVISIONS. Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the
15、 performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The G
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