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Transparent Endoscope Head Defining A Focal Length

  • US 20090318759A1
  • Filed: 06/18/2009
  • Published: 12/24/2009
  • Est. Priority Date: 06/18/2008
  • Status: Active Grant
First Claim
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1. A catheter configured for imaging objects substantially in focus, comprising:

  • a) an imaging device disposed on a distal end of the catheter, the imaging device having an effective focal plane located in front of the imaging device; and

    b) a transparent focal instrument coupled to the catheter, the transparent focal instrument having an outer periphery that is positioned at the effective focal plane of the imaging device to enable objects in contact with the outer periphery of the transparent focal instrument to be imaged substantially in focus.

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