The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 1999
Filed:
Sep. 18, 1998
Applicant:
Inventors:
Brian John Bellhouse, Oxfordshire, GB;
Charles David Potter, Oxon, GB;
John Christopher Greenford, Oxfordshire, GB;
Assignee:
PowderJect Research Limited, , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 68 ; 604 58 ; 604 59 ; 604 69 ; 604140 ;
Abstract
A needleless syringe, in which particles of a therapeutic agent are entrained in a high pressure gas flow, has a nozzle surrounded by a shroud silencer through which gas reflected from the target surface may be vented to atmosphere while retaining any particles reflected in the gas.