. Manual of operative surgery. Fig. 1625.—Suttons localizing device. c indicates latest form of canula with sharp trocar, cf is blunt trocar for use with same canula. t is a curved hemostat for grasping the trocar, c. a represents the hooked piano wire which is introduced through the canula and left as an indicator, d indicates wire cutters employed to snip off the excess piano wire after introduction, b, b indicate the original form of the instrument; the large head interfered with • Fig. 1626.—Showing niethod of introducing Suttons localizing canula. tesy of the Annals of Surgery.)
. Manual of operative surgery. Fig. 1625.—Suttons localizing device. c indicates latest form of canula with sharp trocar, cf is blunt trocar for use with same canula. t is a curved hemostat for grasping the trocar, c. a represents the hooked piano wire which is introduced through the canula and left as an indicator, d indicates wire cutters employed to snip off the excess piano wire after introduction, b, b indicate the original form of the instrument; the large head interfered with • Fig. 1626.—Showing niethod of introducing Suttons localizing canula. tesy of the Annals of Surgery.) (Plate used by cour- Suttons method 1275 shadow on screen and divide product by sum of amount of displacement of tubeand amount of excursion of shadow. Thus, if A = distance of screen from anti-cathodeS = excursion of shadow, andT = displacement of tube A + sthe formula q^,^ = the distance of foreign body from screen. Suttons Method. Canula and Trochar With Harpoon (U. S. Army).—^Thismethod was suggested by that of WuUyamoz for removing foreign bodies fromthe brain. In addition to the tube and screen, a small special instrument isrequired which, however, is of small cost and may even be improvised. Theconstruction is sufficiently clearly shown in Fig. 1626. The procedure is as follows: Having located the shadow of the foreign body by means of the axial rayupon a large screen firmly supported about 6 inches above the surface of thepart examined, the surface is painted with iodine, c
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherphila, bookyear1921
