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A circa 1850 double
lithotome cache used to remove bladder stones. Made
from polished and blued steel with a horn handle in a
crosshatched harlequin design. Two blades with blunt
ends lie within and are concealed by the body of the
lithotome, protecting any unplanned trauma to the
urethral canal. The instrument was not introduced per
urethra but via a lateral perineal incision and would
be aligned with a grooved catheter (inserted
beforehand) at the distal urethra. When in place the
handle was depressed, opening the two blades which
when pulled back would divide the neck of the bladder
and both lateral lobes of the prostate. This would
also cause a small part of the membranous urethra to
be cut "after the fashion of a pen". The stone was
them removed with forceps. |
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