ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,338, issued on July 1.

"Prosthetic internal organ module" was invented by Stuart C. Segall (La Jolla, Calif.), Kit Lavell (San Diego) and Aislinn Brody (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable device for simulating wounds and injuries received during a trauma event includes a raiment and vest for covering the torso of a person. The raiment has an outer surface with a color and a texture comparable to human skin. Mounted on the outer surface is at least one wound simulator formed with an orifice that is in fluid communication with a fluid reservoir. Thus, the person can selectively expel a blood-like fluid from the reservoi...