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Fluorescence diagnostic apparatus

  • US 6,161,035 A
  • Filed: 04/29/1998
  • Issued: 12/12/2000
  • Est. Priority Date: 04/30/1997
  • Status: Expired due to Fees
First Claim
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1. A fluorescence diagnostic apparatus comprising:

  • an excitation light irradiating mechanism which irradiates a living tissue with excitation light;

    an optical system which transmits light from the living tissue due to the excitation light from said excitation light irradiating mechanism, and which forms an image of the living tissue;

    an optical path splitting mechanism which splits an optical path for the light from the living tissue into first and second optical paths, the light passing through said optical system;

    an imaging mechanism which takes an image of the living tissue that is formed in said first optical path split by said optical path splitting mechanism;

    a light introducing member disposed in an image plane of the living tissue which is formed along said second optical path split by said optical path splitting means, the light introducing member including a movable tip end that receives only a portion of light corresponding to the image of the living tissue;

    a wavelength selecting optical element which eliminates components of the excited light from the living tissue, in said first optical path between the living tissue and said imaging mechanism, and in said second optical path between the living tissue and said light introducing member;

    a spectroscope which conducts spectrometry on the light received by said movable tip end of said light introducing member;

    a display device which displays the image of the living tissue which is taken by said imaging mechanism from said first optical path;

    a pointing device which designates a diagnostic site in the image of the living tissue which is displayed on said display device; and

    a moving mechanism which moves said movable tip end of said light introducing member to a site along said second optical path which is equivalent to the diagnostic site in the image of the living tissue, the diagnostic site being designated by said pointing device.

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