LANCING DEVICE WITH IMPROVED GUIDANCE MECHANISM
First Claim
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1. A lancing device comprising an outer housing, a subassembly inner housing mounted within the outer housing, a lancet carrier translationally mounted within the subassembly inner housing, and a drive spring engaged between the lancet carrier and the subassembly inner housing.
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Abstract
A lancing device having improved guidance features and a drive mechanism subassembly that is generically compatible with a variety of outer housing configurations, and an improved assembly method for fabricating a lancing device.
29 Citations
22 Claims
- 1. A lancing device comprising an outer housing, a subassembly inner housing mounted within the outer housing, a lancet carrier translationally mounted within the subassembly inner housing, and a drive spring engaged between the lancet carrier and the subassembly inner housing.
- 6. A method of assembly of a lancing device, the method comprising installing a drive spring onto a lancet carrier, inserting the lancet carrier into a subassembly inner housing with a distal arm portion of the lancet carrier extending through an opening in the back of the subassembly inner housing, installing a return spring over the distal arm portion of the lancet carrier, and engaging a spring retainer between opposed forks of the distal arm portion to form a drive mechanism subassembly.
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8. A lancing device comprising:
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a subassembly housing defining an internal chamber, an open proximal end, a rear panel opposite the proximal end and defining an opening therethrough, and a sidewall between the proximal end and the rear panel; a lancet carrier having a receiver at a proximal end thereof for engaging a lancet, an elongate distal arm opposite the proximal end, and a medial portion between the proximal end and the distal arm, wherein the elongate distal arm extends through the opening in the proximal end of the subassembly housing; a drive spring coupled between the medial portion of the lancet carrier and the rear panel of the subassembly housing; and a return spring mounted onto the elongate distal arm portion of the lancet carrier opposite the rear panel from the drive spring. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification