Stryker Endoscopy Systems Built with INTEGRITY

State-of-the-Art Systems Depend on Green Hills Software

Santa Barbara, CA — December 14, 2009—Green Hills Software, Inc., the largest independent vendor of embedded software solutions, today announced that Stryker, a world leader in medical technology solutions, is using Green Hills Software's Platform for Medical Devices, including the safety-certified INTEGRITY® real-time operating system and MULTI® integrated development environment, in the Stryker Crossfire™ integrated arthroscopy system.

"We selected Green Hills Software’s comprehensive operating system, development tools, and middleware solutions over competing offerings because of our requirement for uncompromising product reliability and availability," commented Steffan Benamou, associate staff engineer, Stryker. "The Green Hills Platform for Medical Devices delivers this level of quality while providing our developers with a cost-effective and productive development environment that has significantly reduced development time-to-market."

Stryker’s decision in selecting Green Hills was driven by their need for a reliable and safe RTOS for use in the company’s important next-generation medical product design. The INTEGRITY RTOS provided the benefits of proven safety and reliability. The foundation of the Platform for Medical Devices, the INTEGRITY RTOS, has a proven pedigree in safety-critical systems, including deployment in a wide range of devices that meet FDA requirements.

Stryker Endoscopy offers the first and only integrated arthroscopic resection system, Crossfire. This hybrid platform has the ability to operate both RF and powered instrumentation from one console. Stryker’s Crossfire offers the following benefits:

• Optimal RF performance for enhanced ablation and suction
• Increased cutting efficiency on all current Formula disposables
• A two-in-one console and footswitch to save space in the OR
• iSWITCH compatibility
• Large, bright and easy-to-use LCD screen
• A completely customizable interface

The Stryker Crossfire is available now:
www.stryker.com/crossfire

"The Stryker Crossfire demonstrates how innovative companies can create reliable and richly functional electronic products while meeting the medical industry’s rapid development and stringent cost requirements," commented David Kleidermacher, chief technology officer, Green Hills Software. "We are pleased that Stryker put its trust in Green Hills Software to help bring these industry-leading integrated arthroscopic systems to market."

About the Green Hills Platform for Medical Devices

The Green Hills INTEGRITY RTOS, the core of the Platform, is a true real-time operating system that carries credentials for reliability, availability, and serviceability, including use in many FDA/CDRH Class II and III approved life-critical medical devices. The Platform provides a complete software development solution that helps device makers increase productivity and drastically reduce development cost, per unit cost program risk, and product time-to-market. The INTEGRITY RTOS is fully integrated with a complete range of feature-rich middleware components for interaction with other applications and systems in the medical device environment. With the Platform for Medical Devices, Green Hills offers complete medical device consulting, regulatory assistance, development, audit, and approval services.

About Green Hills Software

Founded in 1982, Green Hills Software, Inc. is the largest independent vendor of embedded development solutions. In 2008, the Green Hills INTEGRITY-178B RTOS was the first and only operating system to be certified by the NSA to EAL6+ High Robustness, the highest level of security ever achieved for any software product. Our open architecture integrated development solutions address deeply embedded, absolute security and high-reliability applications for the military/avionics, medical, industrial, automotive, networking, consumer and other markets that demand industry-certified solutions. Green Hills Software is headquartered in Santa Barbara, CA, with European headquarters in the United Kingdom. Visit Green Hills Software at www.ghs.com.

About Stryker

Stryker Corporation is one of the world’s leading medical technology companies with the most broadly based range of products in orthopedics and a significant presence in other medical specialties. Stryker works with respected medical professionals to help people lead more active and more satisfying lives and to reduce healthcare costs. The Company's products include implants used in joint replacement, trauma, craniomaxillofacial and spinal surgeries; biologics; surgical, neurologic, ear, nose & throat and interventional pain equipment; endoscopic, surgical navigation, communications and digital imaging systems; as well as patient handling and emergency medical equipment. The Company's website address is http://www.stryker.com

About Stryker Endoscopy

Stryker’s innovative endoscopy equipment has set a new standard in the operating room. Stryker is the first to combine voice activation, infrared technology and high-definition video to give surgeons greater control and patients better outcomes. Stryker’s intuitive, ergonomic endoscopy tools make surgery easier and more efficient than ever before.

Green Hills, the Green Hills logo, MULTI, and INTEGRITY are trademarks or registered trademarks of Green Hills Software, Inc. in the U.S. and/or internationally. All other trademarks are the property of their respective owners.