<page> EXHIBIT 21 Subsidiaries of the Company 1. Arrow International Export Corporation, a U.S. Virgin Islands corporation. 2. Arrow International Investment Corp., a Delaware corporation. 3. Arrow Medical Products, Ltd., a Pennsylvania corporation, qualified to do business in Canada. 4. Kontron Instruments, Inc., a California corporation. 5. Arrow-Japan K.K. (Arrow-Japan, Ltd., English translation), a company organized under the laws of Japan. 6. Arrow Deutschland Gmbh, a limited liability corporation organized under the laws of Germany. 7. Arrow France S.A., a corporation organized under the laws of France. 8. Arrow Africa (Pty) Ltd., a corporation organized under the laws of South Africa. 9. AMH (Arrow Medical Holdings) B.V., a corporation organized under the laws of the Netherlands. 10. Arrow Holland Medical Products B.V., a corporation organized under the laws of the Netherlands. 11. Arrow Iberia, S.A., a corporation organized under the laws of Spain. 12. Arrow Hellas Commercial A.E., a corporation organized under the laws of Greece. 13. Arrow Internacional de Mexico S.A. de C.V., a corporation organized under the laws of Mexico. 14. Arrow Internacional de Chihuahua, S.A. de C.V., a corporation organized under the laws of Mexico. 15. Arrow International CR, A.S., a corporation organized under the laws of the Czech Republic. 16. Therex Limited Partnership, a Delaware limited partnership. 17. Arrow Infusion, Inc., a Massachusetts corporation. 18. Arrow-Therex Corporation, a Delaware corporation. 19. Arrow Interventional, Inc., a Delaware corporation. 20. Arrow Slovensko s.r.o., a corporation organized under the laws of Slovakia 21. Medical Parameters, Inc., a Massachusetts corporation 22. Sometec, S.A.S. 23. Sometec, Inc. 24. Sometec Holdings, S.A.S. 25. Arrow Med Tech LLC 26. Arrow Italy S.r.l 27. The Stepic Medical Distribution Corporation (80)