. Treatise on the radical cure of hernia by instruments : embracing an analysis of the mechanical properties of the various trusses now in use, a description of the new instruments invented by the author, and general directions to patients for the safe employment of these instruments, with hints to surgeons in their application, on; and thesmall dimensions of the block free it from all danger ofinterference with the muscles of the thigh, so that itcannot be displaced by their motions. This contri-vance has been found to answer the purpose in view;by securing perfect retention and effecti
. Treatise on the radical cure of hernia by instruments : embracing an analysis of the mechanical properties of the various trusses now in use, a description of the new instruments invented by the author, and general directions to patients for the safe employment of these instruments, with hints to surgeons in their application, on; and thesmall dimensions of the block free it from all danger ofinterference with the muscles of the thigh, so that itcannot be displaced by their motions. This contri-vance has been found to answer the purpose in view;by securing perfect retention and effecting the radical WOODEN TRUSS-BLOCKS. 85 cure of femoral hernia, which is by far the most em-barrassing and dangerous form of the disease. Of the JJmhilical —Almost all possible formsof circular disks have been employed in the treatmentof umbilical hernia, and as the disease is so uncertainin extent, and the part of the abdomen where it appears,so various in shape in different individuals, it would beimpossible to contrive a model applicable in all those rare cases in which the deficiency of the ten-dinous walls of the abdomen from arrest of develop-ment is very great, the skill of the surgeon is calledupon for extempore invention. In figs. 26 and 27, I have Fig. 26.—CHASES UMBILICAL BLOCK AND a The anterior end of the spring, with the sanie kind of spring attach-ment as in the femoral truss. b The circular block. c The circular block-rider. d The circular iron disk supporting the block-rider. e e Two button-headed screws attaching the rider to the disk, and serv-ing at the same time to secure the strap. Fig. 27.—Section of the circular block. represented the form which, with slight modifications isapplicable in ninety-nine cases of a hundred. The cen-tral eminence requires to be pretty accurately adapted 8 86 WOODEN TRUSS-BLOCKS. to the form of the depression at the navel, and it istherefore proper that the surgeon should be providedwith a
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Keywords: ., bookcentury1800, bookdecade1830, booksubjecthernia, bookyear1836
