Additional US Patents Issued to Catalyst OrthoScience, Inc. for Its Stemless Shoulder Arthroplasty Technology

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As per Catalyst OrthoScience, the Catalyst CSR™ Total Shoulder System is a new canal-sparing, anatomic shoulder arthroplasty system that provides consistently reproducible shoulder joint restoration with an humeral implant that is smaller, more anatomically-shaped, and less invasive than traditional shoulder replacement surgery.

U.S. Patent Number


Patent Issue Date


Glenoid Arthroplasty with Multi-directional Fixation

November 14, 2017


Humeral Arthroplasty

November 14, 2017


Glenoid Arthroplasty with Offset Reamers

November 14, 2017


Glenoid Arthroplasty

October 3, 2107


Catalyst OrthoScience reports these patents expand the portfolio of Catalyst intellectual property related to the Company’s proprietary glenoid and humeral implant designs and instrumentation. Bob Kaufman, CEO of Catalyst OrthoScience commented, “The granting of these patents endorses the extent of our technology and provides Catalyst with further protection for its product offerings in the shoulder replacement market.”  Kaufman adds, “We have built a solid intellectual property portfolio and will continue to work to extend the depth and breadth of that protection.”

With core technology driven by surgeon and patient need, Catalyst has been able to draw a loyal following of orthopedic surgeons since receiving FDA clearance for the CSR™ total shoulder replacement solution last year. “Catalyst’s core technology is truly innovative, as evidenced by not only the growing patent portfolio, but also by the growing number of high caliber shoulder specialists who have embraced Catalyst as an important part of their clinical offering,” said Rod Allen, Catalyst’s Senior Vice President of Sales and Marketing.

Catalyst OrthoScience was founded in 2014 by orthopedic surgeon Steven Goldberg, M.D. who realized, based on his own experience as a fellowship-trained shoulder specialist, that improvements were needed to make shoulder replacement surgery less invasive and to give patients a more normal feeling shoulder after surgery.  “It feels great to be granted these patents,” said Dr. Goldberg. “I’m still amazed at how much our team has accomplished in such a short time frame, and now patients are seeing the benefit.”