amputa'tion

[L. amputatio; ambi, around, -H putare, to prune.] I. The cutting off of a limb or part of a limb, the breast, or other projecting part. (For amputations named after the operators, Chopart's, Lisfranc's, PirogofE's, etc., see the proper names and the illustrations.) 2. In dentistry, the removal of the apical portion of the root of a tooth by means of the dental bur. a. by transfix'ion, one performed by transfixing the soft parts with a long knife and A, Racket Incision for Amputation op the Hip. cutting the flap or flaps frofn within outward. a. in contigu'ity, disarticulation, a. through a of a limb, not at a joint, bloodle a., one movement to an artificial limb, cir'cular a., one performed by a circular incisioi? through the skin, the muscles being similarly divided higher upi and the bone higher still, coat sleeve a., one in which there is one long skin flap folded over the stump, congen'ital a., one produced in utero by the pre ure of adventitious constricting bands, diclas'tic a., one performed without the knife or saw, the bone being Tarsal Amputations: i, Chopart's: 2, Mackenzie's. broken and the soft ti ues bitten off with an ^craseur. doub'le flap a., one in which a flap is cut from the soft parts on either side of the limb. dry a., bloodle a. ellip'tical a., a circular a. in which the sweep of the knife is not exactly vertical to the axis of the limb, the outline of the cut surface being therefore elliptical, excen'tric a., one in which the line of union of the flaps does not run acro the end of the stump, flap a., one in which flaps of the muscular and cutaneous ti ues are made to cover the end of the bone, inune'- Tarsal Amputation: i-i Lines of incision for Lisfranc's; 2-2, Pirog off's; 3-3,, Syme's amputation. diate a., one nece itated by irreparable injury to the limb, which is performed within twelve hours after the injury, inter me'diate a., one performed during the period of reaction from shock, and, in the older days, before the period of inevitable suppuration. interpel"viabdom'inal a.., a. of the thigh with removal of the corresponding lateral half of the pelvis; Jaboulay's operation, inters cap"ulothorac'ic a., a. of the arm with removal of the scapula and a portion of the clavicle on the same 'side, kineplas'tic a., kine top las'tic a., one in which the formation of the stump is made with regard to the subsequent fitting of an artificial limb, ma'jor a., a. of the lower or upper extremity above the ankle or the wrist respectively. mediotar's al a., a. of the fore part of the foot through the tarsal region, Chopart's a. mi'nor a., a. of a hand or foot or any of its parts, mul'- tiple a., a. of two or more limbs or parts of limbs performed at the same operation, osteoplas'tic a., an a., such as several through the tarsus, in which the cut surface of another bone is brought in apposition with the one primarily divided so that the two unite, thus giving a better stump.