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:
Apr. 09, 2002
Filed:
Jul. 27, 1999
Marc Koska, Saint Hill Green, West Sussex, RH19 4JX, GB;
Other;
Abstract
A syringe comprises a barrel ( ) having a plunger ( ) in slidable and sealing engagement therewith. In order to provide an autodestruct system, so that the syringe can be used once only, being rendered disabled after one normal use, the barrel ( ) has means interrupting the cylindrical surface of its inner wall in the form of grooves ( ) or a projection ( ), and the plunger ( ) has a locking means ( ) which operates on engagement with a groove ( ) or projection ( ) on withdrawal of the plunger ( ) to prevent further withdrawal movement. The locking means ( ) is provided on the head of the plunger ( ) adjacent an elastomeric sealing cap ( ). The locking means may comprise a pair of flukes ( ) or a cross-shaped disc ( ).