ul> It is intended for listening of a fruit during pre - natal development and has fine acoustic sensitivity. It is recommended for use by obstetricians. Cone - shaped unilateral head from light metal with a plastic bell. The extended open bell - diameter of an acoustic contour of 25 mm. The...
ul> Provides excellent acoustic indicators when listening newborns and babies. It is recommended for use by doctors and nurses. Bilateral head from light metal with the reduced diaphragm and the reduced bell. Diaphragm of the children's size (18 mm. ) with a plastic membrane. Open bell with an...