The ornamental design for a physiotherapymedicaldevice, as shown and described.
1. Physiotherapy medical device
1.1 is a perspective view of the physiotherapy medical device, showing my new design; 1.2 is a front elevation view thereof; 1.3 is a right side elevation view thereof; 1.4 is a rear elevation view thereof; 1.5 is a left side elevation view thereof; 1.6 is a top plan view thereof; and 1.7 is a bottom view thereof.