Arterial access from lower extremity. The common femoral artery is the only access site used in the lower extremity. Catheters used for performing coronary angiography via the femoral artery were developed by Melvin Judkins, MD; thus, the method often is referred to as the Judkins technique. This widely used method requires separate preformed catheters for the right and left coronary arteries (see the images below).
Urethral sounds/play, sometimes called sounding, is basically inserting objects (often steel sounds and catheters) into the urethra for erotic purposes. Sounds painful and unpleasant to most, but some people get a kick out of this.
Urethral Sounding for Men (SEXUAL CONTENT) Forums > Community > Help with Life. (WARNING: SEXUAL CONTENT AHOY.) Sounding can be a very enjoyable way to play with ideas of penetration, fuck with gender, and experience new and hot sensations. It can also be easily incorporated into all manner of D/s play.