Lancet-integrated sensor, measuring device for lancet-integrated sensor, and cartridge

• US 7,758,517 B2
• Filed: 11/07/2008
• Issued: 07/20/2010
• Est. Priority Date: 01/19/2001
• Status: Expired due to Fees

• Current Assignee: PHC Holdings Corporation
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Tokuno, Yoshinobu, Kojima, Shinichi
• Primary Examiner(s): Hindenburg; Max
• Assistant Examiner(s): HOEKSTRA, JEFFREY GERBEN
• Application Number:
  US12/267,122
• Publication Number:
  US 20090105615A1
• Time in Patent Office: 620 Days
• Field of Search: 600/583, 600/576, 600/347, 600/365, 606/167, 606/181, 606/182, 606/185, 604/6.15, 604/6.16, 604/117, 604/136
• US Class Current: 600/583
• CPC Class Codes: A61B 2562/0295 Strip shaped analyte sensors for apparatus classified in A61B5/145 or A61B5/157
• CPC Class Codes: A61B 5/0006 ECG or EEG signals
• 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 5/150259 Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
• 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 5/150519 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 5/150717 manually removed
• 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 5/15113 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 5/1519 comprising driving means, e.g. a spring, for propelling the piercing unit
• CPC Class Codes: A61B 5/15194 fully automatically retracted, i.e. the retraction does not require a deliberate action by the user, e.g. by terminating the contact with the patient's skin
• CPC Class Codes: A61B 5/157 Devices characterised by integrated means for measuring characteristics of blood

Abstract

A sensor and a lancet are integrated with each other. A thin strip-shaped sensor and a lancet are integrated so that the lancet moves in parallel, along a longitudinal direction of the sensor. A measuring device to which an integrated lancet and sensor is attached is provided with a function of driving the attached lancet.

Claims

1. A biosensor cartridge for housing a plurality of lancet-integrated biosensors, wherein each of said plurality of lancet-integrated biosensors is constituted by integrating a biosensor having a reagent layer for detecting a specific component in a bodily fluid of a subject and an electrode for outputting an electric signal indicating that the reagent layer detects the specific component with a lancet for collecting the bodily fluid of the subject, said biosensor cartridge comprising:

a cartridge body having an upper surface and a lower surface; and

a plurality of grooves supporting the plurality of lancet-integrated biosensors so that they extend in a direction perpendicular to said lower surface of said cartridge body;

wherein said plurality of grooves are formed in said cartridge body so as to be parallel with each other;

wherein said plurality of grooves extend from said upper surface toward said lower surface of said cartridge body in a direction perpendicular to said lower surface;

wherein said plurality of grooves are spaced at regular intervals such that an insertion slot of a measuring device for performing measurement using a target biosensor of said plurality of lancet-integrated biosensors can have the target biosensor inserted therein without touching any biosensors of said plurality of lancet-integrated biosensors adjacent to the target biosensor and a desired lancet-integrated biosensor can be attached to the insertion slot so as to enable being drawn out from the cartridge body;

wherein each of said plurality of lancet-integrated biosensors includes;

a narrow rectangular protector for protecting the lancet, the lancet projecting from one of the plurality of lancet-integrated biosensors in an unused state thereof,

a rectangular sensor body in which the lancet is movably housed, the rectangular sensor body having a front end that is semi-circular in shape and that is wider than the protector, and

a connector provided on the lancet, the connector protruding rearwardly from the sensor body; and

wherein each of said plurality of grooves comprises;

a narrow first groove provided in said cartridge body, said first groove having a shape that conforms to the shape of the rectangular protector,

a second groove that is wider than the first groove, that is provided closer to said upper surface of said cartridge body than the first groove, and that conforms to the shape of a portion of the sensor body, and

a third groove that is wider than the second groove, that is provided closer to said upper surface of said cartridge body than the second groove, and that conforms to the shape of an insertion slot part of the measuring device into which the sensor body is to be inserted.

2. The biosensor cartridge of claim 1, wherein said third groove has a shape that conforms to a pillar-shaped projection that projects from a side surface of the measuring device as the insertion slot part of the measuring device so that the sensor body can be stored in a cavity penetrating the pillar-shaped projection so that the connector is stored in the cavity.