Photo Release -- 3D Systems Celebrates 10th Anniversary Of Groundbreaking Conjoined Twin Separation Surgery

- August 4 th marks 10th anniversary of successful surgery to separate conjoined twins Carl and Clarence Aguirre, joined at the head
twins
Dr. James Goodrich explains the surgical procedure at a press conference after the separation surgery using a 3DS ClearView(R) Anatomical Model of the twins skulls.

- Successful surgery leveraged complex SLA ® 3D-printed models of the twins' heads to enable surgical planning, practice and guidance created by 3D Systems' Medical Modeling

ROCK HILL, S.C., Aug. 4, 2014 (GLOBE NEWSWIRE) -- 3D Systems (NYSE:DDD) announced today the 10 th anniversary of the successful completion of groundbreaking conjoined twin separation surgery that leveraged SLA ® 3D-printed models from 3D Systems' Medical Modeling.

A photo accompanying this release is available at http://www.globenewswire.com/newsroom/prs/?pkgid=26862

On Wednesday, August 4, 2004, surgeons at Children's Hospital of Montefiore, Bronx, NY, did what many believed to be impossible – they completed a successful separation surgery of conjoined twins Carl and Clarence Aguirre, joined since birth at the head. The complex surgery was carried out through a series of four separate operations, after a year of planning and practice. Surgeons credit advanced planning with Medical Modeling's anatomical modeling services in helping to make this surgery a success.

The surgical team, led by pediatric neurosurgeon Dr. James T. Goodrich, decided on a unique "staged" surgical approach. From October 2003 until August 2004, a series of four surgeries were used to gradually separate the vital blood vessels of the brain joining Carl and Clarence. Medical Modeling provided 3D-printed anatomical models prior to each stage of surgery up to and including the final separation procedure. The advanced models were created from the twins' CT and MRI data using 3DS' ClearView ® material to print life-size selectively-colored Stereolithography representations of the bone structure, with all critical brain blood vessels highlighted.

"The surgeons reported that the 3D-printed anatomical models were a key part of the surgical planning for this incredibly complex case and contributed to its positive outcome," said Andy Christensen, Vice President of Personalized Surgery and Medical Devices, 3DS. "For more than a decade, 3D printed surgical models and virtual surgical planning services have changed the way surgeries are performed and in cases like this are dramatically impacting patient lives."

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