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Shandas shares patent for drug delivery to the eye

Robin Shandas, chair and professor, bioengineering
Robin Shandas, chair and professor, bioengineering

The CU Technology Transfer Office is pleased to announce that researchers from CU’s Anschutz and Denver campuses have been awarded a patent for an implantable device to treat dry-eye and deliver medications to the eye. Based on shape-memory polymer materials developed at CU, the patented ‘punctal plug’ is easy to insert, stays properly and comfortably positioned, and can deliver a continuous supply of topical pharmacological treatments for eye conditions like glaucoma.

The CU inventors on the patent are Robin Shandas (CU Denver, Bioengineering; CU SOM, Pediatrics; Children’s Hospital), and Naresh Mandava and Malik Kahook (both of the CU School of Medicine, Ophthalmology, and University of Colorado Hospital). U.S. 8,911,495 (Reliably Retained Shape Memory Ophthalmological Implants) was issued on December 16, 2014.


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At the CU Denver College of Engineering, Design and Computing, we focus on providing our students with a comprehensive engineering education at the undergraduate, graduate and professional level. Faculty conduct research that spans our five disciplines of civil, electrical and mechanical engineering, bioengineering, and computer science and engineering. The college collaborates with industry from around the state; our laboratories and research opportunities give students the hands-on experience they need to excel in the professional world.

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