Abstract: A needleless syringe having a membrane which is ruptured by gas pressure to generate a supersonic gas flow in which particles containing a therapeutic agent are injected. This provides effective transdermal delivery of the therapeutic agent.
Type:
Grant
Filed:
June 7, 1995
Date of Patent:
May 20, 1997
Assignee:
Oxford Biosciences Limited
Inventors:
Brian J. Bellhouse, David F. Sarphie, John C. Greenford