April 29, 2003

BATTELLE HEALTHCARE PRODUCTS AND ZEVEX INTERNATIONAL COLLABORATE ON NEW PRODUCT DEVELOPMENT

Columbus, OH-Battelle Healthcare Products and ZEVEX International, Inc. (NASDAQ NM: ZVXI), announced today a collaboration in the research and development of a new physical evaluation product that will be sold by ZEVEX's Physical Evaluation sales force. The effort is expected to produce a technologically advanced medical device for use by chiropractors, physical therapists and occupational therapists.

Battelle will contribute its world-class product development capabilities to the project while ZEVEX International will handle the manufacturing, marketing and sales efforts. Market research conducted by ZEVEX's Physical Evaluation marketing team led to the product concept.

"Our relationship with ZEVEX International is unique. Both organizations offer unparalleled expertise and our strengths are complementary," said Rich Rosen, Sr. Vice President and General Manager of Battelle Healthcare Products. ZEVEX and Battelle have put significant effort into creating a seamless product development-to-manufacturing offering. This project will demonstrate the effectiveness of this approach. Our customers will realize the benefits."

David McNally, Chief Executive Officer of ZEVEX added, "We are excited to collaborate with Battelle's top-notch medical device development team to develop our next major physical evaluation product. In the process, we expect to demonstrate to our Applied Technology customers that the Battelle ZEVEX team can effectively develop and manufacture state-of-the art medical devices in record time."

About Battelle

Battelle is a global leader in science and technology. It develops and commercializes technology and manages laboratories for government and commercial customers. Headquartered in Columbus, Ohio, Battelle and the national labs it manages or co-manages have 16,000 staff members and conduct more than $2.9 billion in annual research and development. Battelle innovations include the development of the office copier machine (Xerox), pioneering work on the compact disc, and medical technology advancements.

For more information, contact Media Relations Manager Katy Delaney at (614) 424-5544 or at delaneyk@battelle.org, or visit www.battelle.org.

About ZEVEX

ZEVEX International, Inc. (www.zevex.com), founded in 1986, transforms lives with its patented and proprietary medical device technologies. The Therapeutics division markets award-winning enteral nutrition delivery devices. The Physical Evaluation division markets industry-leading physical evaluation testing systems. The Applied Technology division designs and manufactures advanced medical components and systems for other medical-technology companies, as well as for the Company's Therapeutics and Physical Evaluation divisions.

Forward-Looking Information

Statements made in this press release, including those relating to expectations regarding the anticipated successful development of a new product and other statements regarding future performance are forward looking and are made pursuant to the safe harbor provisions of the Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that may cause actual results to differ materially from those set forth in these statements. There is no assurance that the product development program will be successful. Additionally, because of changing market demand, the product, if successfully developed, may not be accepted in the intended market. Economic, competitive, governmental, technological and other factors identified in the Company's filings with the Securities and Exchange Commission, including the Form 10-K for the year ended December 31, 2002, may cause actual results or events to differ materially from those described in the forward-looking statements in this press release. ZEVEX disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.