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Pivoting joint infusion system with seal

  • US 20040044306A1
  • Filed: 06/17/2003
  • Published: 03/04/2004
  • Est. Priority Date: 01/05/2001
  • Status: Active Grant
First Claim
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1. An infusion system for delivery of a therapeutic fluid from a remote source into a patient'"'"'s body comprising. a main infusion unit having a housing, a cannula with an injection channel, said cannula attached at an underside of said main infusion unit, a first fluid channel in communication with said cannula, and a rotating member receiving chamber;

  • a rotating joint member having a central fluid channel, a needle emplacement channel, and a fluid infusion channel, all of said channels intersecting within a central portion of said rotating member, said rotating member adapted to be received within and rotatable within said chamber;

    a fluid connector assembly having a fluid delivery channel, said fluid connector assembly attachable at a near end to said rotating joint member such that said fluid delivery channel aligns with and is in communication with said central fluid channel of said rotating joint member, said fluid connector assembly attachable at a remote end to a delivery tube attached to said remote source of said therapeutic fluid;

    a sealing assembly retained within said rotating member receiving chamber between said rotating joint member and said main infusion unit housing;

    said rotating member rotatable from a first vertical emplacement position whereby an emplacement needle may be extended through said emplacement channel of said rotating member and through said injection channel of said cannula to subcutaneously pierce said patient to a second delivery position after said emplacement needle has been withdrawn from said patient and said fluid connector assembly has been attached at said near end to said rotating member, said second delivery position aligning said fluid infusion channel with said injection channel of said cannula to deliver said therapeutic fluid to said patient.

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