Operative surgery . ssues shouldalways be practiced. It is important and often very difficult to determinethe line between the healthy and diseased bone. If the portions removedwhen washed present a whitish, grayish, or blackish appearance, and areporous and fragile instead of being vascular, red, and tough, the operationshould be continued. If the gouged surfaces bleed freely from numerouspoints and have a normal firmness and color, the operation should cease. It is important in gouging the extremities of bones to use extreme cau-tion or the joint cavities may be opened directly or become sec
Operative surgery . ssues shouldalways be practiced. It is important and often very difficult to determinethe line between the healthy and diseased bone. If the portions removedwhen washed present a whitish, grayish, or blackish appearance, and areporous and fragile instead of being vascular, red, and tough, the operationshould be continued. If the gouged surfaces bleed freely from numerouspoints and have a normal firmness and color, the operation should cease. It is important in gouging the extremities of bones to use extreme cau-tion or the joint cavities may be opened directly or become secondarily in-volved. 356 OPERATIONS ON BONES. 357 After the removal of the elastic constriction all haemorrhage should bearrested, the wound washed thoroughly with a suitable antiseptic solution,good drainage secured, the soft jiarts united, and dressed antiseptically. It frequently happens in these cases that a cavity in the bone of consid-erable size results from the operation. If the diseased tissue of both the MM. Fig. 370.—Instruments employed in , b. Strong scalpels, c, e. Retractors, d. Barkers douching scoop. /, g. , i, k. Mallet and gouges. I. Sponge holder, m. Bone burr. Forcipressure,sutures, needles, drainage agents, etc., are likewise 358 OPERATIVE SURGERY. hard and soft parts can be removed^ and there be no sinus communicationswith other diseased areas, an attempt should be made to repair the defectpromptly by a method of healing devised hy Schede (Fig. 371). In this pro-
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