Patent ID: 8382683
Filing Date: 2013-02-26
Classification: A61B,A61M,B01L,G01N

Abstract:
1. A moving coil tissue penetration device, comprising: a) a magnetic source that produces a magnetic field in a magnetically active region; b) a lancet configured to penetrate tissue and mechanically coupled to a translation substrate; c) a magnetic core mounted to the lancet; d) a sharpened member guide that serves as a stop for an iron core; and e) an electromagnetic driver includes a driver coil pack that is divided into a plurality of coils along a path of the lancet with direct current configured to be alternated to the coils to advance and retract the lancet; wherein the magnetic source comprises a driver coil pack having a plurality of axially adjacent magnetic coils with axial lumens in a coaxial configuration; and wherein at least one of the magnetic coils comprises a permanent magnet.