A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/151 (2006.01) A61B 5/155 (2006.01)
Patent
CA 2708807
A blood removal system for removing blood for diagnostic purposes includes a lancet, a lancet guide and a lancet drive with a drive spring, a cocking device for tensioning the drive spring in a cocking phase, and a rotatable drive rotor driven by the drive spring. An output-side coupling mechanism converts the rotational movement of the drive rotor in a driving phase of the lancet drive into a puncture movement. An end of the drive spring is connected to a rotationally moveable cocking element which is rotatable for tensioning of the drive spring in a same direction of rotation that the drive rotor rotates during a driving phase. The cocking element is arrested during the driving phase against a reverse rotation, so that once released the drive rotor performs a rotational movement which is converted by the output-side coupling mechanism into the puncturing movement of the lancet.
Kintzig Hans
List Hans
Ruschke Peter
Schabbach Michael
Thoes Bruno Robert
F. Hoffmann-La Roche Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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