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Instrument for implanting sensors and solid materials in a subcutaneous location and method thereof

  • US 7,780,625 B2
  • Filed: 02/01/2006
  • Issued: 08/24/2010
  • Est. Priority Date: 08/24/2000
  • Status: Expired due to Term
First Claim
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1. A subcutaneous implantation instrument, comprising:

  • a syringe body comprising a non-cylindrical shaft that axially defines a non-circular bore continuously throughout the length of the shaft, wherein the bore comprises a cross section of at least five millimeters in at least one orientation;

    a non-cylindrical incising shaft comprising;

    an incising shaft body that axially defines a non-circular bore sized to match the bore of the syringe body;

    a beveled cutting blade comprising a beveled surface on a distal face of the incising shaft body and a straight and sharpened cutting edge cutting edge with rounded ends on each side of the cutting edge that curve inwardly, wherein the cutting edge is defined only along a bottom distal edge of the beveled tip; and

    an attachment surface formed on a proximal end of the incising shaft body, wherein the incising shaft is fixedly attached to a distal end of the syringe body at the attachment surface; and

    a delivery mechanism comprising a plunger longitudinally formed to slidably fit within the bores of the syringe body and the incising shaft.

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