| 摘要 |
The present invention is an improved needle-less injector device for the injection of fluids into the patients body. The injector device consists of a chassis, a nozzle on one end, a section for carpules containing the fluids to be injected, a piston, a spring-element acting on the piston, a compressing-mechanism for the spring-element and a release-mechanism. The compressing-mechanism can be connected to a coupling device of a standard dental driving unit.
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