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SURGICAL TOOLS AND SYSTEM FOR SAFELY ACCESSING BODY CAVITIES AND METHODS OF USING THE SAME

  • US 20160089180A1
  • Filed: 03/18/2015
  • Published: 03/31/2016
  • Est. Priority Date: 09/30/2014
  • Status: Active Grant
First Claim
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1. A medical instrument kit, comprising:

  • a. a flexible hollow sheath with a proximal end, a distal end, and an interior diameter; and

    b. a safety needle assembly fitting closely within said hollow sheath and havingi. an outer hollow needle having a proximal end, a sharp distal end, and an exterior diameter that is substantially equal to said interior diameter of said flexible sheath, wherein said outer hollow needle can be snuggly inserted into said flexible sheath, andii. an inner stylet having a proximal end and a blunt distal end, said inner stylet extending through said outer hollow needle, wherein said needle assembly includes a biasing structure for biasing said stylet to a position where said blunt distal end of said stylet extends beyond said sharp distal end of said outer hollow needle.

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