Dural Medical Adhesive for Watertight Sealing in Dural Repair

Brief Summary

This is a prospective, multicenter, single-blind, randomized controlled superiority clinical trial of dural medical adhesive for watertight sealing after primary spinal dural repair to prevent cerebrospinal fluid (CSF) leakage. A total of 141 patients with intraoperative CSF leakage after primary dural repair from 7 medical centers will be enrolled at a 2:1 randomization ratio (94 in adhesive group, 47 in standard treatment control group). Intraoperative watertight sealing success rate is the primary outcome. Postoperative CSF leakage rate at day 10±5 and day 90±7, drainage volume/duration, and adverse events/serious adverse events within 90 days are secondary outcomes to evaluate the safety and effectiveness of the investigational device.

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