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Injection systems and methods

  • US 5,728,066 A
  • Filed: 12/10/1996
  • Issued: 03/17/1998
  • Est. Priority Date: 12/13/1995
  • Status: Expired due to Fees
First Claim
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1. A device for injection of fluid into a vascular system of a living being comprising:

  • a first member having a distal end portion for placement in a vessel of a vascular system and a proximal end portion that remains outside of a vessel when the distal end portion is placed in a vessel;

    a restrictor for restricting the flow of blood through a vessel when placed in a vessel;

    a second member comprising a fluid lumen having a distal end portion for placement in a vessel of a vascular system and a proximal end portion that remains outside of a vessel when the distal end portion is placed in a vessel, said lumen having an entrance at its proximal end portion through which fluid is injected into the lumen, and said lumen having an exit at its distal end portion for discharging injected fluid into a vessel at a location that is distal to the restrictor.

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