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Illuminating means for medical instruments

  • US 3,146,775 A
  • Filed: 10/29/1962
  • Issued: 09/01/1964
  • Est. Priority Date: 10/29/1962
  • Status: Expired due to Term
First Claim
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1. A SPECULUM FOR USE IN A MEDICAL INSTRUMENT HAVING A LIGHT SOURCE, COMPRISING:

  • A HOLLOW BODY PORTION HAVING AN AXIALLY EXTENDING SIGHT PASSAGE THERETHROUGH, A PLURALITY OF LIGHT-TRANSMITTING FILAMENTS EMBEDDED IN SAID BODY PORTION AND EXTENDING IN AN AXIAL DIRECTION FROM THE PROXIMAL TO THE DISTAL END THEREOF, AND A HOLLOW LIGHT-REFLECTING TIP PORTION RELEASABLY MOUNTED ON THE DISTAL END OF SAID BODY PORTION, SAID TIP PORTION PROJECTING BEYOND SAID BODY PORTION AND FORMING AN EXTENSION OF SAID SIGHT PASSAGE FOR PROTECTING THE DISTAL ENDS OF SAID FILAMENTS AND SPACING THEM FROM THE DISTAL END OF SAID TIP.

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