丝管是通过将蜡模浸入水化的丝蛋白溶液中制成的，有许多组织工程应用，如血管移植和神经导引。
Silk tubes, made by dipping a wax mold in aqueous silk solution, have a number of tissue engineering applications like blood vessel grafts and nerve guides.
目的探索经胸横切口暴露头静脉及使用导引钢丝、静脉鞘管引导放置起搏电极导线的成功率及临床意义。
Objective To investigate the feasibility of exposing cephalic vein with horizontal incision on the chest and the successful rate of implanting pacing leads using guide wire and split sheath.
目的探讨CT导引下硬膜外穿刺置管注射胶原酶治疗颈椎间盘突出症的临床疗效。
Objective To investigate the clinical effects of injecting collagenase by epidural puncture tube under ct guidance for the treatment of cervical intervertebral disc prolapse.
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