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Optical thermodetector

  • US 4,502,487 A
  • Filed: 04/29/1983
  • Issued: 03/05/1985
  • Est. Priority Date: 04/29/1983
  • Status: Expired due to Fees
First Claim
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1. An optical-thermodetector for testing tissue, comprising:

  • (a) a housing including a case and a needle-like extension projecting therefrom, said extension having a sharp end for piercing the skin of a patient;

    (b) a temperature element disposed within said housing and having indicating means responsive to a predetermined change in temperature, said temperature element including sensor means disposed near the end of said needle-like extension; and

    (c) an optical element disposed within said housing for recording the coloration of the tissue from an area near said temperature sensor, said optical element comprising;

    (i) a light source;

    (ii) an incident light path for conducting light from said source to the tissue to be tested;

    (iii) a light collector disposed within said case;

    (iv) a reflected light path for conducting reflected light from said tissue to said collector and(v) a film plane, where film for recording tissue coloration is to be located, said film plane being moveable with respect to said light collector, said collector projecting light from said reflected light path onto said film plane.

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