×

MEDICAMENT MIXING AND INJECTION APPARATUS

  • US 20100204679A1
  • Filed: 07/15/2008
  • Published: 08/12/2010
  • Est. Priority Date: 09/18/2007
  • Status: Active Grant
First Claim
Patent Images

1. Medicament mixing and injection apparatus comprising:

  • an injection needle assembly including a needle extending along an injection axis and a needle base to which said needle is fixed;

    a syringe attachment element configured at a first axial end thereof to receive a needleless syringe and a second axial end thereof to engage said needle base in at least first and second relative engagement orientations which are mutually axially separated along said injection axis; and

    a medicament mixing chamber engagement assembly including;

    an intermediate portion having a hand-engageable portion, said intermediate element including a needle chamber surrounding said needle and a first liquid conduit portion, sealed from said needle chamber; and

    a medicament mixing chamber engagement portion including a second liquid conduit portion communicating with said first liquid conduit portion and configured for communication with a medicament mixing chamber,said syringe attachment element and said needle base being configured to permit liquid communication between an interior of said needleless syringe and said first liquid conduit portion when said syringe attachment element and said needle base are in said first relative engagement orientation and to permit liquid communication between an interior of said needleless syringe and said needle when said syringe attachment element and said needle base are in said second relative engagement orientation, axially separated from said first relative orientation along said injection axis.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×