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Devices and methods for interstitial injection of biologic agents into tissue

  • US 20040138621A1
  • Filed: 01/14/2003
  • Published: 07/15/2004
  • Est. Priority Date: 01/14/2003
  • Status: Abandoned Application
First Claim
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1. A device for injecting medical agents into tissue, the device comprising:

  • an elongate shaft having a longitudinal axis, a proximal region and a distal region, a plurality of hollow needles having a sharp distal end, at least one discharge port, a length, and a needle axis along the needle length, the needles operably coupled to the elongate shaft distal region such that the elongate shaft distal region is substantially perpendicular to the needle axes;

    means for driving the needles along the needle axes in the direction of the needle sharp distal ends; and

    means for discharging a fluid from the needle discharge ports.

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