Tissue penetration device
First Claim
Patent Images
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.
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Abstract
A moving coil tissue penetration device includes a magnetic source that produces a magnetic field in a magnetically active region. A cylindrical coil is secured to a translation substrate and disposed at least partially within the magnetically active region. A sharpened member is configured to penetrate tissue and mechanically coupled to the translation substrate.
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Citations
13 Claims
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1. A moving coil tissue penetration device, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification