Fixed-dose syringe with limited aspiration
A syringe configured with a limited maximum usable capacity. The syringe of the invention desirably has a retractable needle to prevent reuse. In the preferred embodiment, a dose-limiting structure includes a stop-ring member on the head of the plunger that abuts a constriction in the housing when t...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
30.01.2013
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Subjects | |
Online Access | Get full text |
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