Method of analyte measurement using integrated lance and strip

• US 20040193072A1
• Filed: 06/11/2003
• Published: 09/30/2004
• Est. Priority Date: 03/28/2003
• Status: Abandoned Application

• Current Assignee: Lifescan Incorporated (Duv Holding Corporation)
• Original Assignee: Lifescan Incorporated (Duv Holding Corporation)
• Inventors: Allen, John J.
• Application Number:
  US10/460,106
• Publication Number:
  US 20040193072A1
• Time in Patent Office: Days
• US Class Current: 600/583
• CPC Class Codes: A61B 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/150358 Strips for collecting blood, e.g. absorbent optical reagent test strips G01N21/8483; chemical reagent test strips G01N33/4875, G01N33/52
• CPC Class Codes: A61B 5/15045 comprising means for capillary action
• CPC Class Codes: A61B 5/150465 Specific design of proximal end
• CPC Class Codes: A61B 5/150511 Details of construction of shaft
• CPC Class Codes: A61B 5/15146 Devices loaded with multiple lancets simultaneously, e.g. for serial firing without reloading, for example by use of stocking means. multiple simultaneous cutting or piercing A61B5/150977
• CPC Class Codes: A61B 5/15155 Piercing elements which are specially shaped or are provided with fittings or attachments to facilitate nesting, stacking or joining together end-to-end or side-by-side
• CPC Class Codes: A61B 5/15167 Characterized by a folded strip

Abstract

The present invention relates, in general, to lancing elements for use in drawing bodily fluids out of a patient and, more particularly, to an improved lancing element including first and second elements positioned relative to each other such that an incision formed by the first element is held open by the second element and bodily fluids are pulled up the lancing element by surface tension on the first and second lancing elements.

Claims

1. A method of lancing skin comprising the steps of:

providing a lance comprising;

a lancing element having a first sharpened end point;

a separation element having a second end point positioned adjacent said lancing element;

a connector, connecting a proximal portion of said first lancing element to a proximal portion of said separation element, said connector forming a channel;

inserting said lancing element to form an incision;

inserting said separation element to further open said incision and maintaining said lancing elements and said separation element in said incision while bodily fluids drawn into a space between said lancing elements.

2. A method of lancing skin in accordance with claim 1, further comprising the step of drawing said bodily fluids from said space into said channel.

3. A method of lancing skin comprising the steps of:

providing a lance comprising;

a lancing element having a first sharpened end point;

a separation element having a second end point positioned adjacent said lancing element;

a connector, connecting a proximal portion of said first lancing element to a proximal portion of said separation element, said connector forming a channel;

a sensor strip attached to a proximal portion of said connector;

inserting said lancing element to form an incision;

inserting said separation element to further open said incision and maintaining said lancing elements and said separation element in said incision;

drawing bodily fluids into a space between said lancing elements.

4. A method of lancing skin in accordance with claim 3, further comprising the step of drawing said bodily fluids from said space into said channel.

5. A method of lancing skin in accordance with claim 4, further comprising the step of drawing said bodily fluids from said channel into said sensor strip.

6. A method of lancing skin comprising the steps of:

providing a lance comprising;

a lancing element having a first sharpened end point;

a separation element having a second end point positioned adjacent said lancing element such that a space between said lancing element and said separation element forms a gap, said gap increasing in size proximal to said second tip;

a connector, connecting a proximal portion of said first lancing element to a proximal portion of said separation element, said connector forming a channel;

a sensor strip attached to a proximal portion of said connector;

inserting said lancing element to form an incision;

inserting said separation element to further open said incision and maintaining said lancing elements and said separation element in said incision;

drawing bodily fluids into a space between said lancing elements.

7. A method of lancing skin in accordance with claim 6, further comprising the step of drawing said bodily fluids from said gap into said channel.

8. A method of lancing skin in accordance with claim 7, further comprising the step of drawing said bodily fluids from said channel into said sensor strip.

9. A method of lancing skin in accordance with claim 6, further comprising the step of removing said lancing element from said incision and drawing said bodily fluids into said gap.

10. A method of lancing skin in accordance with claim 9, further comprising the step of drawing said bodily fluids from said gap into said channel.

11. A method of lancing skin in accordance with claim 10, further comprising the step of drawing said bodily fluids from said channel into said sensor strip.