Development of an adjustable suture for trabeculectomy

Yongjun Lai, Husam Elkaseh, Robert Campbell


This study reports a new suture design that enables simple, controlled intraocular pressure (IOP) adjustments in the postoperative period after trabeculectomy surgery, a common operation used in the treatment of glaucoma. Detailed configuration of this novel suture design and the process of fabricating the new sutures are demonstrated. Ex-vivo testing with prototyped sutures has demonstrated IOP drops of over 50% following suture adjustment. The concept of using adjustable suture to realize controllable IOP drop in the post trabeculectomy treatment is proved to be feasible.

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Journal of Biomedical Engineering and Informatics

ISSN 2377-9381(Print)  ISSN 2377-939X(Online)

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