1. A portable medical device, primarily a device for measuring blood glucose, comprising a housing (12) with a cassette receiver (14) placed in a cassette receiver (14) a removable cartridge (16) with a test tape, a drive (18), including an electric motor (32) and a transmission mechanism (40) designed to rotate the coil (20) of the cartridge (16) with the test tape so that the test tape (22) of the cartridge (16) is wound around the coil with the possibility of sequential use located on the test tape of the test elements, the transmission mechanism (40) including a worm gear (52), in which the worm (56) is engaged with the worm wheel (58), and a multi-stage reduction gear (54) containing several cylindrical gears (60-66) located between the worm gear (58) and the output gear (72), directly connected to the coil (20) .2. The medical device according to claim 1, wherein the reduction gear (54) has at least two, preferably three, gear pairs (60, 62 '； 62 ", 64'； 64", 66) for lowering the rotation speed between the worm gear (52) and the output gear (72) .3. The medical device according to claim 1, wherein the gear ratio corresponding to the ratio of the rotation speed of the shaft of the electric motor (32) to the rotation speed of the output gear wheel (72) is more than 300, preferably more than 400.4. The medical device according to claim 1, wherein each of the spur gears (60-66) has at least ten, preferably at least fourteen, teeth. The medical device according to claim 1, in which the output gear wheel (72) is capable of applying a torque of � to the coil (20)1. Портативный медицинский прибор, прежде всего прибор для измерения уровня глюкозы в крови, содержащий корпус (12) с кассетоприемником (14), помещаемую в кассетоприемник (14) сменную кассету (16) с тест-лентой, привод (18), включающий в себя электрический двигатель (32) и передаточный механизм (40), предназначенный для поворачивания катушки (20) кассеты (16) с тест-лентой таким образом, чтобы тест-лента (22)
