Operative gynecology : . nate of soda to the liter,is the best antiseptic for instruments,because it dissolves the capsule of thegerms and destroys them within fiveminutes, while simple boiling waterand steam demand a much longer soda solution also has the greatadvantage of preventing convenient vessel for boiling instruments is a long, narrow tin bath ora porcelain fish boiler, 5 to 7 cm. (2 to 3 inches) deep, containing a tray forholding them during immersion. A row of Bunsen burners beneath the boilerraises the water to the boiling point in two or three minutes, and in five


Operative gynecology : . nate of soda to the liter,is the best antiseptic for instruments,because it dissolves the capsule of thegerms and destroys them within fiveminutes, while simple boiling waterand steam demand a much longer soda solution also has the greatadvantage of preventing convenient vessel for boiling instruments is a long, narrow tin bath ora porcelain fish boiler, 5 to 7 cm. (2 to 3 inches) deep, containing a tray forholding them during immersion. A row of Bunsen burners beneath the boilerraises the water to the boiling point in two or three minutes, and in five minutesmore the sterilization is complete. As a fixture in an operating room it is convenient to employ a receptacle,rectangular in form, measuring 15 inches in length by 8 inches in width and 6inches in depth, made of sheet bronze, polished on the outside, and coatedinternally with pure tin, over which a coating of nickel is deposited. The ovalcover of the vessel opens on slip hinges, and two perforated metal trays hold. Fig. 2.—Sectional view of Sterilizer forDressings and Dishes, with Steam in Cen-tral Chamber under Pressure. B is valve for the discharge of air displaced bythe water; D is pressure indicator; E is the safetyvalve; M, M are valves connected with watergauges; N is the draw-off valve, water from jacket,for cleansing purposes; O is glass water gauge; U,steam space in jacket; V,V, coils for heating water,using steam from the general plant of an institu-tion; W, steam inlet valve; X, outlet valve, con-densation from coil; L, gas: T, water. CHEMICAL ANTISEPSIS. the instruments in the sterilizer. The instruments are immersed in a 1 to 2per cent solution of the carbonate of soda, which is brought to the boilingpoint and kept there for from five to ten minutes. The boiler is arranged for heating either by gas or by steam. Chemical Antiseptics.—As far as possible, it is safer to depend upon steamor heat sterilization than upon chemicals. Experiments have shown that


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectgynecology, bookyear1