Allowing measurements to be made of a blood sample

• US 9,375,174 B2
• Filed: 07/07/2011
• Issued: 06/28/2016
• Est. Priority Date: 07/08/2010
• Status: Active Grant

• Current Assignee: Sanofi-Aventis Deutschland GmbH (Sanofi )
• Original Assignee: Sanofi-Aventis Deutschland GmbH (Sanofi )
• Inventors: Richter, Frank, MacArthur, Ross
• Primary Examiner(s): HINDENBURG, MAX F
• Application Number:
  US13/808,306
• Publication Number:
  US 20130274579A1
• Time in Patent Office: 1,818 Days
• Field of Search: 600/583, 606181-183
• US Class Current: 1/1
• 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 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/150068 by tissue compression, e.g. with specially designed surface of device contacting the skin area to be pierced
• CPC Class Codes: A61B 5/150167 Adjustable piercing speed of skin piercing element, e.g. blade, needle, lancet or canula, for example with varying spring force or pneumatic drive
• CPC Class Codes: A61B 5/150175 Adjustment of penetration depth
• 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 5/150526 Curved or bent needles
• CPC Class Codes: A61B 5/15103 Piercing procedure
• CPC Class Codes: A61B 5/15109 Fully automatically triggered, i.e. the triggering does not require a deliberate action by the user, e.g. by contact with the patient's skin
• 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 5/15132 comprising tooth-shaped elements, e.g. toothed wheel or rack and pinion
• 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 5/15153 Multiple piercing elements stocked in a single compartment
• CPC Class Codes: A61B 5/15174 Piercing elements stocked in the form of a stack or pile
• CPC Class Codes: A61B 5/15186 Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
• CPC Class Codes: A61B 5/157 Devices characterised by integrated means for measuring characteristics of blood

Abstract

An apparatus and a method for measuring a property of a blood sample is shown. The apparatus comprises of a housing having an aperture; a shaft mounted inside the housing; a testing member rotatably mounted on the shaft; an actuating member coupled to the housing and configured to exert a force against the testing member; and a lancet for eliciting a blood sample fixedly coupled to and protruding substantially radially from the testing member and configured to co-rotate with the testing member. The apparatus is further configured such that the lancet is aligned with the aperture in the housing when the testing member is in a first position. The testing member is configured, in the presence of a force exerted against the testing member by the actuator member, to translate to a second position in which the lancet is in a skin penetrating position.

Claims

1. Apparatus for eliciting a blood sample, the apparatus comprising:

a housing having an aperture;

a shaft mounted inside the housing;

a testing member rotatably mounted on the shaft;

an actuating member coupled to the housing and configured to exert a force against the testing member; and

a lancet fixedly coupled to and protruding substantially radially from the testing member and configured to co-rotate with the testing member;

wherein the apparatus is configured such that the lancet is aligned with the aperture in the housing when the testing member is in a first position, and

wherein the testing member is configured, in the presence of a force exerted against the testing member by the actuator member, to translate to a second position in which the lancet is in a skin penetrating position.

2. Apparatus according to claim 1, comprising an elastic member associated with the member and/or the shaft and configured to allow the testing member to translate into the second position in the presence of the force exerted against the testing member by the actuating member.

3. Apparatus according to claim 2, wherein the elastic member comprises at least part of a first annulus that surrounds a core of the shaft.

4. Apparatus according to claim 3, wherein the first annulus is configured to be compressed on the side between an inner core and the testing member, thereby facilitating the translation of the testing member, in the presence of the radial force between the testing member and the housing.

5. Apparatus according to claim 1 wherein apparatus is configured such that the testing member returns to the first position when the force is released.

6. Apparatus according to claim 1 wherein the testing member further comprises a blood sample collection part and a blood analyte measuring part.

7. Apparatus according to claim 6 wherein when the testing member is in a third position the blood collection part is aligned with the aperture.

8. Apparatus according to claim 7 wherein the apparatus is further configured such that the testing member is configured to translate from the third position to a fourth position in the presence of a radial force against the testing member.

9. Apparatus according to claim 8, wherein in the fourth position the blood collection part is in a user contacting position.

10. Apparatus according to claim 1, wherein the actuating member is a plunger supported by the housing and configured to exert the radial force against the testing member.

11. Apparatus according to claim 1, wherein the testing member further comprises at least two electrical contact points connected to the blood collection part for communication with a meter.

12. Apparatus according to claim 11 wherein the meter is a blood glucose meter.