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Delivery devices and methods with collimated gas stream and particle source

  • US 8,388,569 B2
  • Filed: 04/19/2011
  • Issued: 03/05/2013
  • Est. Priority Date: 04/19/2011
  • Status: Active Grant
First Claim
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1. A delivery device for the delivery of particles into a biological tissue comprising:

  • a housing;

    a gas source comprising a gas or capable of selectively producing a gas;

    a first particle source comprising a first plurality of particles;

    a first collimator fluidly connected with the gas source and comprising a plurality of conduits adapted to form a first plurality of collimated streams of the first plurality of particles entrained in the gas; and

    a tissue-interfacing surface located at one end of the housing and adapted to interface with a surface of the tissue and orient the first collimator with the tissue such that the first plurality of collimated streams of the first plurality of particles will penetrate the tissue in a direction substantially perpendicular to the surface of the tissue.

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