Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Greg Liu0
Kate Hames0
John H. Morriss0
Date of Patent
June 4, 2024
0Patent Application Number
167992500
Date Filed
February 24, 2020
0Patent Primary Examiner
Patent abstract
A method of anesthetizing a tympanic membrane of an ear of a patient using iontophoresis is disclosed. The method involves delivering an anesthetizing drug solution to an ear canal of the patient's ear, wherein the drug solution includes an anesthetic and a buffer, and wherein the drug solution has a pH in a range of about 6.5 to about 7.5; and applying an amount of current to the drug solution, wherein the applied amount of current is increased at a rate of less than about 0.5 milliamp per second until a maximum current is achieved.
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