Minimum invasive optical format with integrated lance
AssigneeBayer HealthCare LLC
InventorAndrew J. Dosmann
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Abstract
A disposable optical format for lancing the skin of a patient and harvesting blood to determine blood chemistries such as glucose level includes a housing with openings defining an optical path. A translucent hollow capillary tube with multiple planar sides and an end cleaved to a sharp edge is mounted in the housing. The sides of the tube are formed of an optical material such as fused silica. Significantly less pain, high probability of blood harvesting and improved overall test time are achieved with integrating the lance, harvest and analysis operation.
Claims24
A lance for an optical format, comprising:
- a lance body, said lance body defined by a multisided tube wherein each side is planar and of a material that allows transmission of light.
The lance claimed in claim I wherein said material is fused silica.
An optical format with an integrated lance, comprising:
- a housing, said housing having a first side and a second side, openings in said first side and said second side for passage of light through said housing, and
- a lance mounted in said housing, said lance formed of translucent material.
A method of making an optical format with an integrated lance, comprising:
- forming a square capillary tube of fused silica;
- cleaving a first end of said tube to form a sharp point;
- and
- securing a housing on a second end of said tube.
Dependencies are inferred from the claim text.