• Neurol. Med. Chir. (Tokyo) · Aug 2007

    Case Reports

    Duraplasty in the posterior fossa using a boat-shaped sheet of expanded polytetrafluoroethylene.

    • Satoru Shimizu, Hiroyuki Koizumi, Mari Kurita, Satoshi Utsuki, Hidehiro Oka, and Kiyotaka Fujii.
    • Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan. Satoru4756@aol.com
    • Neurol. Med. Chir. (Tokyo). 2007 Aug 1; 47 (8): 379-81; discussion 381.

    AbstractApplication of sutures between expanded polytetrafluoroethylene (ePTFE) dural substitutes and the dura mater is often frustrating in posterior fossa surgery because of the difficulty in holding the elastic graft in a deep and narrow field. To resolve this problem, we have developed a boat-shaped graft made from a triangular ePTFE sheet by pinching each angle using a suture. Formation of standing edges of the sheet facilitates holding of the flaps for secure and more rapid suturing than the conventional approach using a flat sheet.

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