They Invented What? (No. 222)
U.S. Patent No. 2,095,511: Anesthesia demonstration device.
JW Note: Wishing our readers a Safe and Happy Halloween 2012! Hat Tip to the USPTO Facebook page for bringing this “scary” patent to our attention!
Having thus described the invention, what is claimed and desired secured by Letters Patent is: —
1. A device for demonstrating local anesthesia comprising: a model of a portion of the human body; electrical contacts concealed below the surface of said model at points corresponding to nerve location in the human body; a signal system in circuit with said contacts; and a probing member in the circuit of said system so that when the probing member is inserted through the surface of the model, an indication will be given provided one of the contacts is contacted by said probing member.