. The American journal of roentgenology, radium therapy and nuclear medicine . Fig. 24. Use of Two Profoxdometers at RightAngles to Each Other. and, if accurateh placed, all will be in aregular line encircling the part. The sepa-rate marks should be permanently marked,as, for instance, with solid silver nitrate,and the encircling line may be less perma-nent, as with writing ink. We may nowemploy the method of Vergely ^* (Fig. 20).In a plain card of suitable size an openingis cut to fit the wounded region at the levelof the skin markings. These markings arethen transferred to the margin of this
. The American journal of roentgenology, radium therapy and nuclear medicine . Fig. 24. Use of Two Profoxdometers at RightAngles to Each Other. and, if accurateh placed, all will be in aregular line encircling the part. The sepa-rate marks should be permanently marked,as, for instance, with solid silver nitrate,and the encircling line may be less perma-nent, as with writing ink. We may nowemploy the method of Vergely ^* (Fig. 20).In a plain card of suitable size an openingis cut to fit the wounded region at the levelof the skin markings. These markings arethen transferred to the margin of thisopening (Fig. 21) using in this instance dis-tinctive signs, the -f- and the —. A bettermethod is the use of distinctive colors. Thecard is now removed and laid upon a sheetof paper on which the margin of the open-ing is traced as are also the distinctivemarks. These marks are now connected. Fig. 25. HoRizoxTAL and Vertical Sections Indi-cated BY Fig. 24. by pencil lines + to -f- and — to — or redto red and blue to blue, etc. (Fig. 22). The Profondometer.—^Another method isby the use of flexible metal strips. Duringthe present war this has rapidly gained ingeneral favor but was first recorded byFlint ^^ and by him credited to Irr^-in andby them named the profondometer. It maybe made of any flexible material which hasyet enough stability to retain its shapewhen carefiiUy handled. The writer prefersblock tin from 1/16 to 3/32 in. thick andfrom 3^ to I in. in width. Two pieces arehinged end to end and are made of suitablelength for the parts to be examined, some-what more than one half the circumferenceof the arm, thigh, or torso as the case maybe. These are now moulded about the partat the desired level, taking care to place the
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