A treatise on dislocations and on fractures of the joints . n splint.—Bony union may in this case be readilyproduced. The subjoined plate is intended to shew the band of ligamentousfibres, which, if it remains untorn, prevents the olecranon fromseparating- far from the ulna. In general, however, by bendingthe arm, the fracture of the olecranon is easily discovered. A band of ligamentous fibres crosses from the side of the coro-noid process to the olecranon; and upon the radial side of theulna, the upper portion of the coronary ligament of the radiuspasses from the side of the olecranon towards
A treatise on dislocations and on fractures of the joints . n splint.—Bony union may in this case be readilyproduced. The subjoined plate is intended to shew the band of ligamentousfibres, which, if it remains untorn, prevents the olecranon fromseparating- far from the ulna. In general, however, by bendingthe arm, the fracture of the olecranon is easily discovered. A band of ligamentous fibres crosses from the side of the coro-noid process to the olecranon; and upon the radial side of theulna, the upper portion of the coronary ligament of the radiuspasses from the side of the olecranon towards the neck of theradius. If the olecranon be broken off, and these ligamentousfibres be left entire, the olecranon Avill remain still united to theulna by means of these ligamentous productions, which I shouldnot have noticed, but for their influence on fractures of this bone. a. Os humeri. b. Radius. c. Ulna d. Olecranon. e. External condyle of the OS humeri. f. Internal condyle. g. Coronary ligament, the upper part of whichascends towards ^ 111 Ligamentous fibres fromthe coronoid processto the olecranon. Ifthe olecranon be bro-ken off at the dottedline, and the upperpart of the coronaryligament, and theseligamentous fibres re-main entire, the bonemoves laterally, but itseparates little fromthe ulna. FRACTURES OF THE ELBOW-JOINT. 459 COMPOUND FRACTURE OF THE OLECRANON. In compound fractures of this bone, the edges of the skin mustbe brought into exact apposition; lint embued in blood must beapplied on the wound, with adhesive plaster over it, and union byadhesion must be effected if possible; but in other respects thetreatment is the same as in simple fracture. I have seen two cases of this accident, both of which have beensuccessfully treated. FRACTURE OF THE NECK OF THE RADIUS. This fracture I have heard mentioned by surgeons as being offrequent occurrence, but there must be some mistake in the state-ment, for it is an accident which I have never seen; and if
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