. The American journal of roentgenology, radium therapy and nuclear medicine . t is extremely convenient in most casesto have a definite guide to facilitate thesearch for the projectile during the actualoperation. Undoubtedly, the most usefulinstrument of this type is that devised bySutton, which may also be utilized as alocalizer when the projectiles are situatedin the muscular portions of the body. Sut-tons localizer consists in a trochar and that when the field of operation was stainedwith blood, it was difficult to see the wire,which was also too fine to be felt readilyas the operation pro
. The American journal of roentgenology, radium therapy and nuclear medicine . t is extremely convenient in most casesto have a definite guide to facilitate thesearch for the projectile during the actualoperation. Undoubtedly, the most usefulinstrument of this type is that devised bySutton, which may also be utilized as alocalizer when the projectiles are situatedin the muscular portions of the body. Sut-tons localizer consists in a trochar and that when the field of operation was stainedwith blood, it was difficult to see the wire,which was also too fine to be felt readilyas the operation proceeded into the , we substituted a small har-poon, about the diameter of the obturator,which is passed through the cannula, whereit opens and becomes fixed in the tissuesimmediately about the foreign body. Afterthe cannula is withdrawn, the projectingportion of the harpoon is bent over parallelto the skin surface and is covered with asterile dressing. Thereupon the patient isdispatched to the operating room. Thislarger guide can be seen with great ease and. Fig. 10. Harets Method. Diagram to showMo\^MEXT OF Shadow with two Positions ofTube. cannula which is introduced under the skinpreviously anesthetized by novocain. Afterdisinfection, the operator puts on sterilerubber gloves or manipulates the cannulaby means of sterile artery forceps. It isplimged beneath the skin and the sharptrochar is removed from the cannula,which is then replaced by a blunt ob-turator. The field is covered with steriletowel and the fluoroscope employed. Underthe direct vision of the operator, the can-niila with its obturator is passed downthrough the tissues imtil it touches theprojectile. At this point, the light is ttimedon and the obturator removed. In Suttonsoriginal method, it is replaced by a piece ofvery fine piano wire with a crochet fine wire serves as the surgical guideto the foreign body. We found, however.
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