Robbins Scientific Corporation

Kenny J St Romain

Paul B Robbins

David J Wright

A syringe with replaceable needle assembly ( ), having a syringe barrel ( ) with a proximal end ( ), a distal end ( ), and an outer surface ( ). The syringe barrel ( ) surrounds an internal bore ( ). A plunger assembly ( ) is inserted into the syringe barrel internal bore ( ). A needle assembly ( ) has a sealing portion ( ), which is configured to be removably insertable into the internal bore ( ). The sealing portion ( ) forms a fluid-tight seal with the internal bore ( ). The needle assembly ( ) further includes a releasable locking mechanism ( ), which includes a collar ( ) having a locking flange ( ). Also disclosed is a replaceable needle assembly ( ), which releasably locks onto the outer surface ( ) of the proximal end ( ) of a syringe barrel ( ). The replaceable needle assembly ( ) includes a collar ( ), having a locking flange ( ), which engages the outer surface ( ) of the syringe barrel ( ), and releasably locks the replaceable needle assembly ( ) onto the syringe barrel ( ).

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Plaquemine, LA, United States of America

Kenny J St Romain