Catheter
In medicine, a catheter is a tube that can be inserted into a body cavity duct or vessel. Catheters thereby allow drainage or injection of fluids or access by surgical instruments. The process of inserting a catheter is catheterization. In most uses a catheter is a thin, flexible tube: a "soft" catheter; in some uses, it is a larger, solid tube: a "hard" catheter.
The ancient Egyptians are reported to have fashioned catheters from papyrus, and the ancient Greeks from reeds. A flexible urinary catheter was invented by Benjamin Franklin for use by his brother.
Placement of a catheter into a particular part of the body may allow:
- draining urine from the urinary bladder as in urinary catheterization, i.e. Foley catheter or even when the urethra is damaged as in suprapubic catheterization. By comparison, a Texas catheter is not inserted into the urethra but connects to the penis via a condom-like envelope with a drainage tube at its tip (and thus, technically, this is not a catheter, as it is not inserted into a body space).
A Touhy borst adapter is a medical device used for attaching catheters to various other devices.
Foley Catheter
Foley catheters are flexible (usually latex) tubes that are passed through the urethra during urinary catheterization and into the bladder to drain urine. They are retained by means of a balloon at the tip which is inflated with sterile water. The balloons typically come in two different sizes 5 cc and 30 cc.
In sessions
Catheters and sounds are often used in medical play sessions. The knowledge that your Master or Mistress has the ability to control your normally private body functions can be quite humiliating.
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