. A practical treatise on fractures and dislocations. sometimes smooth or irregularon the side of the head, while theneck on the other side is crushedor comminuted. Angular deviation at the fracture is the rule, the apex of the anglebeing usually directed forward and upward, and is habitually effected by crushing of the bone or byFig. 229. penetration of one fragment into the other. This penetration orimpaction is rarely more than asimple interlocking of the irreg-ularities of the surface, althoughBigelow ^ reported one in whichconsiderable force was requiredto separate the fragments ; pos-sib
. A practical treatise on fractures and dislocations. sometimes smooth or irregularon the side of the head, while theneck on the other side is crushedor comminuted. Angular deviation at the fracture is the rule, the apex of the anglebeing usually directed forward and upward, and is habitually effected by crushing of the bone or byFig. 229. penetration of one fragment into the other. This penetration orimpaction is rarely more than asimple interlocking of the irreg-ularities of the surface, althoughBigelow ^ reported one in whichconsiderable force was requiredto separate the fragments ; pos-sibly the fixation was due to in-completeness of the primary sep-aration at some point on theperiphery, as in the so-called incomplete ^ fractures (). The periosteum of the neckappears usually to remain untornovor a portion of the periphery,and may even be complete, as incases reported by flavor- andStanley.^ In one of my speci-mens the untorn portion is nearlyan inch Mide and is situated at the lower and posterior portion oi the is:u. p. tuv?.. Fracture through the neck. EigTity-two view. (Army Mod. Museum.) • Biicelow^ Stanley : c. Ilt., p. i;>i. ilico-Chirurtric * Mayor : Gazette Medicaloil Transactions. 1825, vol. xiii. n. .>] 358 FRACTURES.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfractur, bookyear1912
