Catheters

Catheters

Catheters were used as early as 3,000 B.C. to relieve painful urinary retention. In those times, many materials were used to form a hollow catheter, some of which were straw, rolled up palm leaves, hollow tops of onions, as well as, gold, silver, copper, brass, and lead. Malleable catheters were developed in the 11th century. In time, silver was used as the basis of catheters as it could be bent to any desired shape and was felt to have an antiseptic function.

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Categories: HistoryMiscScience