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Tunnelling instrument for subcutaneously placing an article, and method of use of said instrument

  • US 9,119,603 B2
  • Filed: 04/18/2007
  • Issued: 09/01/2015
  • Est. Priority Date: 04/18/2006
  • Status: Expired due to Fees
First Claim
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1. A tunnelling instrument for forming a subcutaneous tunnel comprising:

  • a tunneller shaft having a hollow interior through which passes a flexible connector forming a link between a pair of tips,each tip having a positive attachment mechanism, and at least one tip having a first portion which is configured to create a subcutaneous tunnel, said first portion proximal to said attachment mechanism and having the greatest diameter of said tip;

    a second portion distal to said attachment mechanism and having a portion and said second portion and having a diameter of less than or equal to said second portion; and

    the tunneller shaft is slidable along the length of the connector between the tips, the tunneller shaft having a complementary attachment mechanism at each end thereof for selective attachment to the attachment mechanism of the adjacent tips, thereby permitting bi-directional tunneling without the need to detach the tips from the connector.

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