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Piston for a needleless valve system

  • US 9,872,977 B2
  • Filed: 08/12/2014
  • Issued: 01/23/2018
  • Est. Priority Date: 01/20/2012
  • Status: Active Grant
First Claim
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1. A piston for a needleless valve system, the piston comprising:

  • a head portion having a continuous top surface and compression features;

    wherein, when the head portion is in a relaxed state, the top surface being non-planar and the compression features separated to form an opening adjacent the top surface, and when the compression features are pressed together to close the opening between the compression features, the top surface being substantially planar.

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