Blood sampling device

• US 8,870,903 B2
• Filed: 12/18/2006
• Issued: 10/28/2014
• Est. Priority Date: 02/21/2002
• Status: Active Grant

• Current Assignee: Facet Technologies LLC
• Original Assignee: Facet Technologies LLC
• Inventors: LeVaughn, Richard W., Kennedy, Gwenn E., Ruf, Christopher J., Solis, Mitchell A., Robbins, Avi M., Heath, Jason R., Ostertag, Wolfgang, Lohrengel, Armin, Stohr, Herbert
• Primary Examiner(s): Hindenburg, Max
• Assistant Examiner(s): Pani, John
• Application Number:
  US11/611,998
• Publication Number:
  US 20070088377A1
• Time in Patent Office: 2,871 Days
• Field of Search: 600/583, 606181-183
• US Class Current: 606/183
• CPC Class Codes: A61B 2562/0295 Strip shaped analyte sensors for apparatus classified in A61B5/145 or A61B5/157 disposable multilayered or laminated electrodes G01N27/307; details of handling chemical test elements G01N33/4875
• CPC Class Codes: A61B 5/1411 by percutaneous method, e.g. by lancet
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/14546 for measuring analytes not otherwise provided for, e.g. ions, cytochromes
• CPC Class Codes: A61B 5/1486 using enzyme electrodes, e.g. with immobilised oxidase
• CPC Class Codes: A61B 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/150183 Depth adjustment mechanism using end caps mounted at the distal end of the sampling device, i.e. the end-caps are adjustably positioned relative to the piercing device housing for example by rotating or screwing
• CPC Class Codes: A61B 5/150259 Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
• 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 5/150412 Pointed piercing elements, e.g. needles, lancets for piercing the skin blade-like piercing elements A61B5/150442
• CPC Class Codes: A61B 5/150503 Single-ended needles hollow piercing element tip design A61B5/150396, needle sets for catheters A61M25/06, needles for bringing media into the body A61M5/32
• CPC Class Codes: A61B 5/150519 Details of construction of hub, i.e. element used to attach the single-ended needle to a piercing device or sampling device
• CPC Class Codes: A61B 5/150564 Protectors removed by pulling or pushing
• CPC Class Codes: A61B 5/150572 Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
• CPC Class Codes: A61B 5/150618 Integrally moulded protectors, e.g. protectors simultaneously moulded together with a further component, e.g. a hub, of the piercing element
• CPC Class Codes: A61B 5/150702 fully automatically removed, i.e. the removing does not require any action by the user
• CPC Class Codes: A61B 5/150725 removal procedure linked to further actions, e.g. cocking of the piercing device, which indicate that the piercing device is used or tempered
• CPC Class Codes: A61B 5/150969 Low-profile devices which resemble patches or plasters, e.g. also allowing collection of blood samples for testing
• CPC Class Codes: A61B 5/15113 Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
• CPC Class Codes: A61B 5/15117 comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
• CPC Class Codes: A61B 5/1513 : comprising linear sliding guides comprising tooth-shaped elements A61B5/15132
• 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 5/15151 : Each piercing element being stocked in a separate isolated compartment
• CPC Class Codes: A61B 5/15153 : Multiple piercing elements stocked in a single compartment
• CPC Class Codes: A61B 5/15161 : Characterized by propelling the piercing element in a radial direction relative to the disc
• CPC Class Codes: A61B 5/15163 : Characterized by propelling the piercing element in an axial direction relative to the disc
• CPC Class Codes: A61B 5/15176 : Stocking means comprising cap, cover, sheath or protection for aseptic stocking
• CPC Class Codes: A61B 5/157 : Devices characterised by integrated means for measuring characteristics of blood
• CPC Class Codes: A61B 5/681 : Wristwatch-type devices

Abstract

A device for sampling and/or analyzing blood or other body fluid of a subject. A housing contains a plurality of lancets and optionally includes test elements to take up a sample of blood, an evaluation system and a display. A complete system that can be handled as a single device, for example in the form of a wristwatch, includes a multiplicity of test elements and lancets, which can be brought successively to a working position to perform multiple measurements. A cassette or carrier includes multiple lancets and/or test elements, for insertion into the device.

Claims

1. A lancing device comprising:

a housing for receiving a cartridge containing a plurality of lancets, wherein each of the plurality of lancets comprises a removable cap;

a drive mechanism for sequentially engaging each of the plurality of lancets; and

an actuator operable through an actuation stroke, wherein an advancing portion of the actuation stroke advances the plurality of lancets for sequential engagement with the drive mechanism, wherein a charging portion of the actuation stroke energizes the drive mechanism; and

wherein the charging portion of the actuation stroke decaps one of the plurality of lancets.

2. The lancing device of claim 1, wherein the actuator comprises at least one cam path.

3. The lancing device of claim 1, wherein the plurality of lancets are arranged in a circular array in the cartridge, and wherein the drive mechanism propels an active one of the plurality of lancets along a radial lancing stroke.

4. The lancing device of claim 1, wherein the actuation stroke of the actuator traverses a path along a side of the housing.

5. The lancing device of claim 1, wherein the housing is generally disc-shaped.

6. The lancing device of claim 1, wherein the housing has a hinged cover portion.

7. The lancing device of claim 1, wherein each of the plurality of lancets has an endcap over a sharp lancet tip, and wherein the charging portion of the actuation stroke decaps an active one of the lancets.

8. The lancing device of claim 7, wherein the endcap of the active lancet is moved out of a path of travel of the active lancet upon operation of the actuator.

9. The lancing device of claim 1, further comprising an evaluation system and a display for test results.

10. A lancing device comprising:

a housing having a hinged cover portion and an interior chamber for receiving a cartridge containing a plurality of lancets arranged in a generally circular array;

a drive mechanism for sequentially engaging each of the plurality of lancets and driving an active one of the plurality of lancets along a lancing stroke; and

an actuator coupled to the housing and operable through an actuation stroke to charge the drive mechanism, advance the lancets sequentially into engagement with the drive mechanism, and decap the lancets.

11. The lancing device of claim 10, further comprising an evaluation system and a display for test results.