Dialyzers; body rehabilitation apparatus for medical purposes; stents; sterilized medical instruments, namely, medical hearing instruments, dissecting instruments for medical use, medical instruments for use in performing biopsies; heart rate monitoring apparatus; electrocardiographs; medical guidewires; catheters; cannulae; surgical apparatus and instruments; pumps for medical purposes, namely, cardiopulmonary bypass pump for medical purposes; medical apparatus and instruments for cardiopulm...