Hand-held medical device

摘要

Disclosed herein are hand-held medical devices, such as blood glucose meters, that include a housing with a cassette compartment for receiving an exchangeable test tape cassette, a drive assembly comprising an electric motor and a gear arrangement adapted for rotating a tape spool of the test tape cassette, where the gear arrangement has a worm drive in which a worm meshes with a worm wheel and a multistage speed-reducing unit comprising a plurality of spur gears arranged between the worm wheel and an output gear that can be directly coupled to the tape spool.

主权项

1. A hand-held medical device comprising:
a housing with a cassette compartment; an exchangeable test tape cassette received in the cassette compartment; and a drive assembly comprising an electric motor and a gear arrangement adapted for rotating a tape spool of the test tape cassette, wherein a test tape of the test tape cassette can be wound forwards and test elements thereon can be provided for successive use, wherein the gear arrangement has a worm drive in which a worm meshes with a worm wheel and a multistage speed-reducing unit comprising a plurality of spur gears arranged between the worm wheel and an output gear directly coupled to the tape spool, wherein each of the plurality of spur gears has at least about 10 teeth, and wherein the worm is directly mounted on a motor shaft of the electric motor.