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Brachytherapy cartridge including absorbable and autoclaveable spacer

  • US 6,648,811 B2
  • Filed: 02/09/2001
  • Issued: 11/18/2003
  • Est. Priority Date: 07/26/1999
  • Status: Expired due to Term
First Claim
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1. A brachytherapy seed delivery system comprising:

  • a seed cartridge including a central channel;

    a plurality of brachytherapy seeds disposed within said central channel; and

    a plurality of absorbable, dimensionally stable spacers disposed within said central channel, wherein said absorbable, dimensionally stable spacers are interspersed between said brachytherapy seeds;

    wherein said seed cartridge is connected to a needle at a distal end of said cartridge which mates with a proximal end of said needle to insure the proper transfer of cartridge contents between said cartridge and said needle;

    whereby said spacers shrink no more than 14% in diameter and no more than 7% in length when autoclaved with steam at 135°

    C. for fifteen minutes.

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