New Studies Support Company’s Knee, Shoulder and ExactechGPS® Technologies

Exactech, Inc. (Nasdaq:EXAC), a developer and producer of bone and joint restoration products for hip, knee, shoulder and spine, today recounted 18 studies presented at key scientific conferences this Fall, including an Equinoxe® shoulder study which won the “1st Place E-Poster Award” at the 28th Congress of The International Society of Technology in Arthroplasty (ISTA).

The award-winning poster, Rate of Improvement in Clinical Outcomes with Anatomic and Reverse Total Shoulder Arthroplasty, featured the clinical outcomes of 1,641 patients and compared the rate of clinical improvement of patients with anatomic total shoulder arthroplasty with those of patients with reverse total shoulder arthroplasty.

“This study is significant because it quantifies how patient outcomes improve with time following treatment with both anatomic and reverse total shoulder arthroplasty,” said Ryan Simovitch, M.D., Palm Beach, Fla., one of the authors. “These results can be used to establish realistic patient expectations regarding the typical follow-up time required for pain to be reduced and function restored following surgical treatment with a total shoulder prosthesis.”

Presentations featuring Exactech Knee and ExactechGPS® Guided Personalized Surgery

A cadaveric study led by Michael Cross, MD, assistant attending orthopaedic surgeon at Hospital for Special Surgery, New York, evaluated Exactech’s patented CR Slope® knee implant system and posterior cruciate retaining technique using ExactechGPS® guided personalized surgery. The results demonstrated that a change in the posterior tibial slope can significantly impact knee kinematics in patients.

“Exactech’s CR Slope® design provides surgeons with intra-operative flexibility to adjust the posterior slope of the tibia without having to perform additional re-cuts,” said Dr. Cross. “The study proved that with this approach, the surgeon can optimize knee kinematics and flexion gap tension easily and quickly without altering the bony cuts.”

Another study reported on the ExactechGPS and its tracker visibility. In this study, the rotational line-of-sight limit for the ExactechGPS trackers and camera was quantified. The results demonstrated that ExactechGPS provides tracker visibility for more than 135 degrees of rotation across the surgical field, providing excellent tracking intra-operatively with minimum line-of-sight restrictions.

“This study showcased ExactechGPS and its important advantages over other navigation systems,” said Barton Harris, MD, Mechanicsville, VA. “The data showed that ExactechGPS has a wider field of view and trackers that accommodate significant rotation relative to the unit. It also has a compact combined camera and digital screen interface, placed within the sterile field, which allows orthopaedic surgeons to be able to work with the technology rather than around it.”

The Exactech Knee studies included:

  • Effect of Cement Layer on Tibial Component Alignment and Joint Height During Total Knee Arthroplasty
  • The Effect of Posterior Tibial Slope on the Kinematics of PCL-Retaining TKA
  • Evaluation of Tracker Visibility during Computer-Assisted Total Knee Arthroplasty
  • Evaluation of Native Knee Kinematics and the Effect of Arthrotomy
  • How Should We Select the Worse Case for TKA Implant Testing?
  • Novel Test Method to Evaluate the Effect of Posterior Tibial Slope on the Kinematics of PCL-Retaining Total Knee Arthroplasty
  • Size Relationship Between Femoral and Patellar Implants in TKA Patients
  • Effect of Leg Position on the Intraoperative Measurement of Planned Resection during Computer-Assisted Total Knee Arthroplasty
  • ExactechGPS Guidance System Does Not Increase Operative Time When Compared to Conventionally Instrumented Total Knee Arthroplasty
  • Accuracy Comparison Between Two Contemporary Caos Systems
  • Intraoperative Evaluation of Achieved Bony Resections During TKA: Is It Caos System-Dependent?

Presentations Featuring Exactech’s Equinoxe® Shoulder System

In addition to the award-winning presentation, a large scale clinical study objectively addressed a controversial topic in the literature regarding the negative impact of scapular notching on clinical outcomes in patients with reverse shoulder arthroplasty. The outcomes of 415 patients at 38.3 months average follow-up demonstrated a scapular notching rate of 12.5 percent, which was very favorable relative to the reported rates in the literature (six times lower than competitive systems).

The Exactech Shoulder studies included:

  • The Effect of Axillary Crutch Use Following rTSA on Reverse Shoulder Baseplate Fixation
  • Impact of Anterior Glenoid Defects on Reverse Shoulder Glenoid Fixation
  • Comparison of Clinical Outcomes with Reverse Total Shoulder Arthroplasty in Patients with and without Scapular Notching
  • Clinical Outcome Comparison of Augmented Glenoid Components vs Glenoid Bone Grafting with Reverse Total Shoulder Arthroplasty
  • Rate of Improvement in Clinical Outcomes with Anatomic and Reverse Total Shoulder Arthroplasty
  • Comparison of Clinical Outcomes with Posteriorly Augmented Glenoid Components with Anatomic and Reverse Total Shoulder Arthroplasty
  • The Effect of Shooting Firearms on Reverse Shoulder Baseplate Fixation

About ISTA

The International Society of Technology in Arthroplasty (ISTA) is a non-profit organization dedicated to advancing the art and science of joint replacement around the world. Every year it hosts a congress where the best clinicians, engineers, researchers, and industry members from across the globe come together to present and discuss leading edge work in the field of arthroplasty.

About Exactech

Based in Gainesville, Fla., Exactech develops and markets orthopaedic implant devices, related surgical instruments and biologic materials and services to hospitals and physicians. The company manufactures many of its orthopaedic devices at its Gainesville facility. Exactech’s orthopaedic products are used in the restoration of bones and joints that have deteriorated as a result of injury or diseases such as arthritis. Exactech markets its products in the United States, in addition to more than 30 markets in Europe, Latin America, Asia and the Pacific. Additional information about Exactech, Inc. can be found at http://www.exac.com. Copies of Exactech’s press releases, SEC filings, current price quotes and other valuable information for investors may be found at http://www.exac.com and http://www.hawkassociates.com.

An investment profile on Exactech may be found at http://www.hawkassociates.com/profile/exac.cfm. To receive future releases in e-mail alerts, sign up at http://www.hawkassociates.com/about/alert.

This release contains various forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which represent the company’s expectations or beliefs concerning future events of the company’s financial performance. These forward-looking statements are further qualified by important factors that could cause actual results to differ materially from those in the forward-looking statements. These factors include the effect of competitive pricing, the company’s dependence on the ability of third party manufacturers to produce components on a basis which is cost-effective to the company, market acceptance of the company’s products and the effects of government regulation. Results actually achieved may differ materially from expected results included in these statements.

Exactech, Inc.Investor Contacts:Jody Phillips, 352-377-1140Executive Vice President of Finance &Chief Financial OfficerorHawk AssociatesJulie Marshall or Frank Hawkins, 305-451-1888EXAC@hawkassociates.comorMedia Contact:Priscilla Bennett, 352-377-1140Vice President, Corporate & Marketing Communication

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