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US 12,433,519 B2Granted
Lancet needle with alignment and retention notch
AssigneeFacet Technologies, LLC
InventorKevin J. Seifert
Life of this patent
Estimating the term…
Abstract
A lancet needle with an alignment and engagement notch, with material of the lancet body extending into the notch to more securely retain the needle to the lancet body, whereby a shorter needle can be utilized than with typical lancets. The notch optionally also provides a registration point for rotational and/or axial alignment of the needle during overmolding to form the lancet body, for example to maintain consistent positioning of the needle's beveled point.
Claims14
A lancet comprising:
- a lancet body having a lancet body length LB and comprising a first end and a body portion narrower than the first end, wherein a head portion is positioned at the first end;
- a lancing needle having a length LN no more than 75% the lancet body length LB and comprising an elongate needle body, an embedded portion of the lancing needle that is embedded within in the lancet body having an embedded length LM no more than 50% the lancet body length LB, a sharp tip exposed from the head portion of the lancet body opposite the body portion, and a notch, wherein the embedded length is a length of the embedded portion;
- wherein the notch is formed on the embedded portion and is positioned midway of the embedded length LM of the lancing needle;
- wherein the sharp tip is formed on an end of the elongate needle body opposite the embedded portion and wherein the sharp tip forms a beveled surface;
- and
- wherein the notch is an identifier such that a registration is maintained between the notch, the beveled surface, and the lancet body.
3 more elements
Dependencies are inferred from the claim text.