DOD A-A-54584-1992 RAZOR SURGICAL PREPARATION《外科准备剃刀》.pdf
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1、A-A-5454 6.5 9999974 0063b78 7 A-A-54584 10 February 1992 COMMERCIAL ITEM DESCRIPTION RAZOR, SURGICAL PREPARATION The General Services Administration has authorized the use of this Commercial Item Description as a replacement for Federal Specification GG-R-001308A which is cancelled. This commercial
2、 item description covers a straight safety razor and blades suitable for use in preparing patients for surgical procedures. Salient characteristics: The razor and blades covered by this specification shall be of the types and compositions as specified. Type I - Razor, Surgical Preparation Type II -
3、Blade, Surgical Preparation Razor Style 1. Corrosion-resisting steel, coated Style 2. Corrosion-resisting steel, uncoated Material. Razor. The safety razor shall be fabricated from nickel silver containing 10.0 1.0 percent nickel. The sheath of the blade holder and the razor guard shall be 0.20 inch
4、 thick. The core of the blade holder shall be 0.114 inch thick. The handle shall be 0.036 inch thick or 3/4 hard Class 3, Type 301 austenitic stainless steel sheet 0.030 inch thick and shall be in accordance with American Society for Testing and Materials (ASTM) Designation F899 for cornposition onl
5、y. The pin rivet and washers shall be fabricated of nickel silver or silicon bronze. Blade. The rib of the blade shall be fabricated from plated carbon steel conforming to 1008 of ASTM A29 for composition only or cold rolled aluminum strip conforming to chemical composition for aluminum alloy 3003 o
6、f QQ-A-250/2E. The cutting blade shall be fabricated from corrosion-resisting steel having the following chemical composition. FSC 6515 0 “STR!BtTN STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
7、e from IHS-,-,-A-A-54584 65 m 9999974 O063679 9 m A-A- 5 4 5 8 4 Reqular (%) Alternate ( % ) Carbon 0.58 to 0.70 . 0.90 to 1.05 Silicon 0.15 to 0.25 0.15 to 0.50 Maganese 0.90 to 1.10 0.20 to 0.80 Chromium 12.0 to 14.0 12.0 to 14.7 Phosphorus 0.040 (maximum) 0.025 (maximum) Sulfur 0.040 (maximum) 0.
8、020 (maximum) The beveled edge shall be treated with a fluorocarbon-telomer coating such as sintered polytetrafluroethylene. . Desiqn and dimensions. The surgical razor and the blade shall be in accordance with Defense Personnel Support Center (DPSC) Drawing No. 20204 for design and dimensions. The
9、straight razor and blade shall be suitable for use in preparing patients for surgical procedures. Construction. Razor. The razor shall be a straight safety razor, and shall consist of a blade holder, a handle and a razor guard. The razor shall propeilly accommodate the removable and reversible blade
10、 (type II). Blade holder. The blade holder shall consist of a core, a grooved insert, and a sheath. Core. One end of the core shall be rounded off and the upper surface provided with a crescent-shaped, smooth grip for the fourth finger, and with a slightly depressed serrated thumb grip on the lower
11、side. The upper surface of the serrated thumb grip shall be, grooved to receive the inner end of the grooved insert. Grooved insert. The lower exposed surface of the grooved insert shall have a full length groove of adequate size in the center width, when assembled in the blade holder to hold the ri
12、b of the blade securely and to prevent any appreciable side or end movement of the blade. The inner end shall fit securely in the grooved end of the core and the outer end shall be securely held in place by the lip on the end of the sheath. Sheath. The width of the sheath shall be sufficient to fit
13、tightly over the upper surface of the grooved insert and core, and extend down on each side flush with lower surface of the core, except that the sides between the serrated thumb grip and the free end shall be of uniform width, and one side 2 Provided by IHSNot for ResaleNo reproduction or networkin
14、g permitted without license from IHS-,-,-c. A-A-5454 65 = 9999974 00b3b0 5 W A-A-54 5 8 4 0 section between the serrated thumb grip and the inner end shall be extended over the lower surface of the core to the opposite side edge. The center portion of the free end shall be provided with a lip to hol
15、d the grooved insert securely in place. The upper corners of the free end shall be slightly rounded. The inner ends shall be assembled in the sheath and shall be securely held by crimping. Handle. The handle and the assembled blade holder shall be attached by a pin rivet and two 5/16 inch washers. T
16、he washers shall be placed on the pin rivet between the handle and the holder. The rivet shall hold the parts with sufficient tension for the blade holder to remain folded in the handle to protect the blade when closed, and to stay in an open position during use, but without excessive tension which
17、would prevent the holder from being freely opened and closed. Razor suard. The razor guard shall be a removable and reversible tooth guard, as shown in the drawing. Blade. The blade shall be two-piece, consisting of a rib and a cutting blade. The rib shall securely hold the cutting blade. The cuttin
18、g blade shall have a single cutting edge. The central portion of the cutting blade shall have an optional rectangular hole, provided the hole is required during the manufacturing process, and shall not exceed the maximum limits specified on the drawing. Finish. Razor. The razor components fabricated
19、 from nickel silver sheet metal shall be chromium plated. All exterior surfaces of the razor shall have a bright polished finish. The outer ends of pin rivet attaching the blade holder in the handle shall be smoothly peened. Blade. The cutting edge of the blade shall be bilaterally ground and honed
20、to razor sharpness. The final honed bevels shall be flat, smooth and continuous throughout the entire length. Except for the extreme 1/8 inch at either end, the cutting edge shall be free from micro-cracks, and not more than 5 percent of the edge length shall show nicks, notches, or unhoned portions
21、 when viewed microscopically at a magnification of 100 diameters. The remainder of the blade shall have a smooth, bright polished finish. The entire blade shall be free from rust and scale. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-54584
22、65 m 9999974 O063681 7 m Rockwell Super- Material ficial hardness number. 30-N Scale L/ A-A-54584 Vickers hard- ness. - 2/ Hardness. The cutting blade shall be uniformly hardened to the hardness range shown below for the applicable composition when tested in accordance with ASTM Designation E18 or E
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