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TROCAR

  • US 20080243162A1
  • Filed: 04/02/2007
  • Published: 10/02/2008
  • Est. Priority Date: 04/02/2007
  • Status: Abandoned Application
First Claim
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1. A trocar comprising:

  • an inner needle unit including optical observing means; and

    puncture-assisting means provided on an outer peripheral face of the inner needle unit, for assisting body wall puncture of the inner needle unit, whereinthe puncture-assisting means has at least one of ultrasonic energy applying means and electric energy applying unit.

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