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Light scanning probe apparatus using light of low coherence

  • US 6,888,119 B2
  • Filed: 01/06/2004
  • Issued: 05/03/2005
  • Est. Priority Date: 03/12/2001
  • Status: Active Grant
First Claim
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1. A positioning unit provided at the tip of an endoscope used together with an optical scanning probe which is inserted through a forceps channel of the endoscope and which includes an exit portion for making scanning light exit in order to produce a tomogram of a test part,comprising a scanning light passage hole for passing the scanning light exiting from the exit portion to the position corresponding to the exit portion of the optical scanning probe when the optical scanning probe is protruded by a predetermined amount from the tip of the endoscope in the longitudinal direction of the endoscope.

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