Pissed Off

David Sheridan, inventor of the modern disposable catheter, has died at the age of 95. Prior to World War II, catheters were made of braided cotton strings that looked like shoelaces, but Sheridan found a way to make the catheter bladder. Sheridan generally dictated his thoughts on design ideas, and his declaration, “Urethra, I’ve got it,” is renowned in medical lore. His development of a plastic catheter made a vas deferens in medical care, but Sheridan got the shaft for years, before being honored in 1993 by the American Society of Anesthesiology for developing the first cardiac catheters and the "Saratoga Sump Drain" and "Salem Stomach Sump Drain."