Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 4, 2007
Patent Application Number
10691224
Date Filed
October 22, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
Since this syringe has projections provided on the rear surface of a flange of a syringe barrel, when it is inserted in an insertion groove of a cylinder holder, the tips of projections are compressed and the flange is fixed. Consequently, even when a solution having high viscosity is injected at higher pressure, breakage does not occur easily. Further, pressure-receiving area may also be increased by providing a guide defining mounting direction of a syringe, alternatively, a positioning mechanism may be provided so as to obtain mounting at a correct position, or the surface of a flange may be roughened.
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