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High-torque resorbable screws

  • US 6,343,531 B2
  • Filed: 06/25/2001
  • Issued: 02/05/2002
  • Est. Priority Date: 11/20/1997
  • Status: Expired due to Fees
First Claim
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1. A non-magnetic fastening device, comprising:

  • a threaded shaft having a shaft proximal end, a shaft distal end, and a shaft rotational axis extending therebetween, the threaded shaft having a shaft diameter measured in a direction transverse to the rotational axis;

    a plurality of buttress threads disposed on the threaded shaft; and

    a head connected to the proximal end of the threaded shaft, the head having a head proximal end, a head distal end, and a head rotational axis extending therebetween, the head having a head diameter measured in a direction transverse to the head rotational axis and a head perimeter, the head distal end comprising a tapered portion having a first slope, the tapered portion of the head distal end tapers in a distal direction, the tapered portion of the head distal end beginning near the head perimeter and decreasing in diameter to the shaft proximal end, the head perimeter of the fastener forming a star shape.

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