Compact, multi-use micro-sampling device
First Claim
Patent Images
1. A lancing device comprising:
- a compact housing;
a lancet carrier for a holding a lancet and mounted for movement along a lancing stroke path within the housing; and
a drive mechanism comprising at least two springs coupled in parallel to the lancet carrier, wherein a first spring of the at least two springs drives the lancet carrier in a forward direction and a second spring of the at least two springs retracts the lancet carrier.
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Abstract
A compact, multi-use lancing device includes a lancet holder for holding a lancet and mounted for back and forth movement along a lancing stroke path within a housing, and a drive mechanism having a pair of generally parallel springs coupled to the lancet holder. A drive spring propels the lancet holder in a forward direction to prick the skin of a subject, and a return spring retracts the lancet holder to return the lancet to a protected position within the housing.
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Citations
20 Claims
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1. A lancing device comprising:
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a compact housing;
a lancet carrier for a holding a lancet and mounted for movement along a lancing stroke path within the housing; and
a drive mechanism comprising at least two springs coupled in parallel to the lancet carrier, wherein a first spring of the at least two springs drives the lancet carrier in a forward direction and a second spring of the at least two springs retracts the lancet carrier. - View Dependent Claims (2, 3, 4, 5)
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- 6. A lancing device comprising a drive mechanism having at least two springs and a lancet carrier comprising at least two elongate shafts extending parallel to one another, wherein each of said springs is mounted over a corresponding shaft of the lancet carrier.
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14. A lancing device comprising:
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a housing;
a lancet carrier translationally mounted within said housing for engaging a lancet and carrying the lancet along a path of travel;
a drive spring operable on the lancet carrier; and
a return spring operable on the lancet carrier, and wherein the return spring has a return spring axis parallel to the path of travel of the lancet and parallel to a drive spring axis of the drive spring. - View Dependent Claims (15, 16, 17, 18)
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19. A method of assembling a lancing device, comprising:
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mounting a drive spring and a return spring onto parallel shafts of a lancet carrier;
engaging at least one connector to retain the drive spring and the return spring on the parallel shafts of the lancet carrier; and
installing the lancet carrier into a housing. - View Dependent Claims (20)
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Specification