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Nanoparticles to Replace Surgical Threads for an Improved Hold

May 1st, 2014 Yona Gidalevitz News

nanothread

Stapling and suturing are routine parts of surgical procedures, but they’ve always had downsides. In many situations it may be difficult to get a stapler to a site or to have enough room to insert sutures. Moreover, suturing and stapling can damage fragile soft tissue.

A team of French scientists have now used silicon dioxide and iron oxide nanoparticles as a glue to bind soft, wet tissues together, in many cases better than using sutures or staples. The aqueous nanoparticle solution allowed the creation of “nanobridges” that bind tissues firmly against each other without leaving anything at the junction. They tested the technology in rats, achieving impressive hemostasis after holding a wound closed for a minute after the nanoparticle glue application. Moreover, they were able to attach a membrane to the beating heart of a rat, opening up the possibility of using nanoparticles as an adhesive for implantation of medical devices and for delivery of drugs in a controlled manner.

Study in Angewandte Chemie: Organ Repair, Hemostasis, and In Vivo Bonding of Medical Devices by Aqueous Solutions of Nanoparticles…

More: Nanoparticles Replace Needle and Thread Wound closure and organ repair with nanoparticle solutions…

Yona Gidalevitz

Yona is a Product Manager with a keen interest in medical technology. He is an avid musician, photographer, and writer with a deep passion for learning and teaching. Yona was born in Israel, and currently lives in Chicago, IL. He graduated from Illinois Institute of Technology with a degree in Technical Writing.

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