Stryker Orthopaedics Enters into Agreement with OrthoSensor for Intelligent Surgical Platform

MAHWAH, N.J. and SUNRISE, Fla., Aug. 17, 2011 /PRNewswire/ -- Stryker Corporation's Orthopaedics Division and OrthoSensor, Inc., the leader in intelligent orthopaedics, today announced an agreement in which OrthoSensor will provide the OrthoSensor™ Knee Trial, designed for use with Stryker's Triathlon Knee System. The OrthoSensor Knee Trial is an intelligent trial that provides quantitative, intra-operative feedback to surgeons to optimize joint balance during total knee arthroplasty.  

The OrthoSensor Knee Trial has embedded micro-electronics and sensors in single-use trial inserts, delivering data to optimize the final ligament balance and patients' specific joint kinematics.  The sensor wirelessly transmits this key information to a graphic display of real-time feedback, enabling the surgeon to visualize and quantify joint loading and balance.  With this evidence, the surgeon can make an informed choice to modify implant positioning, adjust leg alignment and optimize soft tissue balance through a full range of motion.

"The single radius design philosophy of Stryker knees is a perfect complement to OrthoSensor's innovative technology," said Doug Leach, vice president of global research and development, knee reconstruction at Stryker Orthopaedics. "The Triathlon Knee System is uniquely suited to the finer elements of ligament balancing and being able to take advantage of this new offering provides us with the opportunity to combine our advanced orthopaedic implant technology with cutting-edge sensor technology."

Stryker's Triathlon Knee System offers patients the potential for improved motion(1) and better fit(2), and remains classified as the knee system that outperforms the most frequently used brands in terms of revision rates as identified in the National Joint Registry of England and Wales.(3,4).

"By integrating sensors into the surgical suite, OrthoSensor is leading the evolution in intelligent orthopaedic surgery and we are pleased to collaborate with Stryker Orthopaedics to turn this new field into a reality," said Jay Pierce, CEO of OrthoSensor. "Until now, surgeons have lacked quantifiable data about joint kinematics and their decisions varied based on individual judgment, experience and skill set. OrthoSensor's intelligent surgical systems will provide surgeons, hospitals and health plans access to real-time data to improve patient care, measure clinical outcomes and lower costs related to treating musculoskeletal disease."

About Stryker Orthopaedics

Stryker Orthopaedics is a division of the Stryker Corporation, one of the world's leading medical technology companies. Stryker Orthopaedics offers an extensive orthopaedic product portfolio including hip, knee and upper extremity reconstructive devices, bone cement, trauma implants, bone substitutes and spine systems. For more information about Stryker Orthopaedics, visit: http://www.stryker.com/en-us/products/Orthopaedics/index.htm

About Stryker

Stryker is one of the world's leading medical technology companies and is dedicated to helping healthcare professionals perform their jobs more efficiently while enhancing patient care. The Company offers a diverse array of innovative medical technologies, including reconstructive, medical and surgical, and neurotechnology and spine products to help people lead more active and more satisfying lives. For more information about Stryker, please visit www.stryker.com.

About OrthoSensor, Inc.

OrthoSensor, Inc. (www.orthosensor.com) is an innovative medical device company developing and commercializing intelligent orthopaedic devices that provide real-time data to surgeons and hospitals during and after surgery.  OrthoSensor's intelligent orthopaedic devices utilize advanced sensor and wireless communication technology with the goal of improving healthcare outcomes and reducing the cost of treating musculoskeletal disease. The company's intelligent orthopaedic instrumentation and implants are designed to enhance surgical implantation, as well as enable remote monitoring of implant function and overall musculoskeletal health.

1. Greene, K.A. Range of Motion: Early Results from the Triathlon® Knee System, Stryker Literature Ref # LSA56. 2005.

2. Hitt, K., et al. Anthropometric Measurement of the Human Knee: correlation to the Sizing of Current Knee Arthroplasty Systems, JBJS, Vol. 85-A, supplement 4, 2003.

3. The National Joint Registry of England and Wales. Annual Report 2010. Table 3.11 Based on mean Revision Rates at three years according to brands for knee replacement procedures undertaken between 1st April 2003 and 31st December 2009, which were linked to a HES/PED Wepisode.

4. The National Joint Registry of England and Wales. Annual Report 2009. Table 3.7 Based on mean Revision Rates at three years according to brands for knee replacement procedures undertaken between 1st April 2003 and 30th November 2008, which were linked to a HES/PED Wepisode.

SOURCE Stryker Orthopaedics

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