Tissue penetration device

  • US 9,427,532 B2
  • Filed: 09/29/2014
  • Issued: 08/30/2016
  • Est. Priority Date: 06/12/2001
  • Status: Expired due to Fees
First Claim
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1. A method of injecting an agent into the tissue of a patient at a known predetermined depth, comprising:

  • driving an elongate injection shaft using an electronic driver, the elongated injection shaft having an outlet port configured to dispense an agent at a controllable time toward the patient'"'"'s target tissue;

    providing programmable control of the electronic driver for a desired velocity of the injection shaft;

    advancing the elongate injection shaft into the target tissue from the contact point over a displacement equal to the sum of an elastic recoil displacement value for the target tissue, the distance between a distal extremity of the elongate injection shaft and the outlet port, and the desired tissue depth of injection for agent deposition;

    injecting the agent; and

    accurately delivering the agent to a specific depth within a skin or tissue layer and provide for localized agent delivery; and

    further comprising;

    using a plurality of agent injection modules; and

    providing a series of metered doses of the agent.

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