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Apparatus for producing a stimulation by vibration of a tappet which is put on a human's skin

  • US 5,195,532 A
  • Filed: 05/28/1991
  • Issued: 03/23/1993
  • Est. Priority Date: 05/29/1990
  • Status: Expired due to Fees
First Claim
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1. An apparatus for testing a threshold of perception of mechanical vibration by producing a mechanical stimulation by vibration of a tappet applied to a patient'"'"'s skin, wherein an amplitude of the mechanical vibration can be varied around a threshold of perception, the apparatus comprising:

  • a measuring head, including a housing and a tappet elastically held in the housing and guided for back and forward movement;

    a tippet actuating unit attached to the tappet;

    an acceleration sensor attached to the tappet and connected to control electronics, the control electronics being attached to the measuring head and including a power amplifier attached to the tappet actuating unit; and

    ,a patient reaction panel attached to the control electronics, the patient reaction panel including means for receiving a response from the patient to indicate a reaction upon perceiving a mechanical stimulation.

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