| 摘要 |
A needle assembly for dispensing fluids from a fluid source and for evacuating a cavity during an endodontic procedure and a method of using the needle assembly. The needle comprises a housing and a surgical needle in fluid communication with said fluid source. The housing comprises a first pathway containing said surgical needle, and a second evacuation pathway providing evacuation means for the needle assembly. The evacuation pathway is independent and external of the surgical needle.
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