L. H. Landon, M.D.
JAMA. 1913;61(7):490. doi:10.1001/jama.1913.04350070044015.
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The tubes here described were devised some four years ago, primarily for arterial or venous anastomosis and as such were used successfully by me while working in the Laboratory of Experimental Surgery of the University of Pennsylvania, under the direction of Prof. J. Edwin Sweet, to whom I am indebted for ninny suggestions and helpful advice in the development of the technic.

In the hands of the average surgeon, especially where the operation has to be done outside a hospital or with untrained assistants, the cannulas of Crile or Sweet present certain difficulties in their use, chiefly in applying the retaining ligature and at the same time keeping the end of the vessel properly cuffed back over the tube. Several attempts may be necessary to accomplish this, which is not only trying to the oparator but usually ruinous to the success of the operation. The tendency is for the end


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