The patient holds the intraoral needle point registration by Digma in their mouth.
利用Digma，患者可在口内进行针点记录。
The puncture route, organs avoidance, alcohol dosage, location of needle point and complications were observed.
观察进针路线，脏器避让，药物剂量，针尖定位以及有关并发症。
Thereby, the invention has the advantages of simple structure, convenient use, capability of ensuring the consistent direction of the needle point, blood secondary pollution avoidance and the like.
因此，本发明具有结构简单、使用方便、能确保针尖方向一致以及避免血液二次污染等优点。
File off both bores to the hexagon of the insertion bushing using a needle-point file.
用细锉将两个孔锉成镶入衬套的六边形。
File off both bores to the hexagon of the insertion bushing using a needle-point file.
用细锉将两个孔锉成镶入衬套的六边形。
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