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Access device

  • US 10,136,916 B2
  • Filed: 01/05/2015
  • Issued: 11/27/2018
  • Est. Priority Date: 02/08/2010
  • Status: Active Grant
First Claim
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1. An access device for placing a medical article within a body space, comprising:

  • a needle having an elongated needle body with a distal end and a needle hub from which the needle body extends;

    a dilator slideably disposed on the needle body and comprising a dilator hub and an elongated dilator shaft that extends from the dilator hub to a distal end, the dilator hub comprising a receiving portion; and

    an insert disposed within the dilator hub and supported by the receiving portion, the insert comprising a through-hole configured to receive the needle body therethrough such that the needle body is capable of extending through the insert, at least a portion of the through-hole being sized and shaped relative to the needle body so as to form a space between the insert and the needle body that allows gases to pass through the space and to the atmosphere but hinders the passage of a body fluid through the space.

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