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Ultrasonic enhancement of drug injection

  • US 6,464,680 B1
  • Filed: 07/29/1998
  • Issued: 10/15/2002
  • Est. Priority Date: 07/29/1998
  • Status: Expired due to Fees
First Claim
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1. A method of enhancing cellular absorption of a substance delivered into a target region of a patient'"'"'s body, comprising:

  • (a) injecting the substance into solid tissue in the target region; and

    (b) directing vibrational energy to the target region, said vibrational energy having a Mechanical Index in the range of 0.3 to 15 and having a Thermal Index of less than 4.0, said vibrational energy being of a type and in an amount sufficient to enhance absorption into cells of the target region.

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