The invention concerns a medical hand-held device, in particular blood glucose meter comprising a housing (12) with a cassette compartment (14) for receiving an exchangeable test tape cassette (16), a drive assembly comprising an electric motor (32) and a gear arrangement (40) adapted for rotating a tape spool (20) of the test tape cassette (16), wherein the gear arrangement (40) has a worm drive (52) in which a worm (56) meshes with a worm wheel (58) and a multistage speed-reducing unit (54) comprising several spur gears (60-66) arranged between the worm wheel (58) and an output gear (72) that can be directly coupled to the tape spool (20).本發明係關於一種醫療手持式裝置，特別是血糖計，其包含一具有用於容納可更換式檢測帶匣盒(16)之匣型隔艙(14)的殼體(12)、一驅動組件其包含一電動馬達(32)及一用來轉動該檢測帶匣盒(16)的捲帶軸(20)的齒輪配置(40)，其中該齒輪配置(40)具有一蝸桿驅動件(52)，一蝸桿(56)在該蝸桿驅動件內與一蝸輪(58)嚙合，及一多段式減速單元(54)其包含數個被配置在該蝸輪(58)與一可直接耦合至該捲帶軸(20)的輸出齒輪(72)之間的正齒輪(60-66)。
