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Surgical treatment device

  • US 20040092953A1
  • Filed: 12/30/2002
  • Published: 05/13/2004
  • Est. Priority Date: 08/20/2002
  • Status: Active Grant
First Claim
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1. A biotissue excising instrument comprising:

  • a tubular sheath inserted into a body;

    a manipulator inserted into the sheath so as to advance and retreat freely through the sheath; and

    a treatment portion provided at a leading end of the manipulator and having a loop portion that can be unfolded and contracted to accommodate biotissue to be excised, wherein a slit is formed in a side of a leading end of the sheath to project and sink the loop portion of the treatment portion.

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