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Apparatus and methods for the penetration of tissue

  • US 6,447,527 B1
  • Filed: 11/25/1998
  • Issued: 09/10/2002
  • Est. Priority Date: 04/23/1998
  • Status: Expired due to Term
First Claim
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1. A method of penetrating the tissue wall of an anatomical cavity, comprising:

  • (a) inserting a portion of a backstop apparatus into the anatomical cavity through a first tissue opening, said backstop apparatus having a backstop; and

    (b) manipulating said backstop apparatus in order to direct the urging of a penetration member through the tissue wall of said cavity at a penetration site spaced away from said first tissue opening, wherein said manipulating step is performed while a portion of said backstop apparatus extends through said first tissue opening; and

    (c) urging a penetration member through the tissue wall of said cavity at said penetration site towards said backstop.

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