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METHODS OF PERFORMING RETROBULBAR INJECTIONS
METHODS OF PERFORMING RETROBULBAR INJECTIONS
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机译:进行trotrobal注射的方法
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摘要
A syringe and needle assembly includes a needle that extends through the barrel of the syringe and is attached to a proximal portion of the syringe. The distal end of the needle extends through a sleeve attached to the distal end of the syringe. The proximal end of the needle includes a spring which biases the needle proximally, so that the distal tip of the needle is normally retracted within the sleeve. The assembly can be used for injections in portions of a patient's body including delicate tissues that could be damaged if contacted by the needle tip
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