Lancets for bodily fluid sampling supplied on a tape

• US 8,529,470 B2
• Filed: 02/15/2011
• Issued: 09/10/2013
• Est. Priority Date: 04/30/2004
• Status: Active Grant

• Current Assignee: Roche Diabetes Care Inc. (Roche Holding AG)
• Original Assignee: Roche Diagnostics Operations Incorporated (Roche Holding AG)
• Inventors: Roe, Steven N., Raney, Charles C., List, Hans
• Primary Examiner(s): Hindenburg, Max
• Assistant Examiner(s): Pani, John
• Application Number:
  US13/027,337
• Publication Number:
  US 20110137206A1
• Time in Patent Office: 938 Days
• Field of Search: 600/573, 600/575, 600/583, 600/584, 606181-183, 436/44, 422/66
• US Class Current: 600/583
• 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 5/150213 Venting means
• 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 5/150282 for piercing elements, e.g. blade, lancet, canula, needle
• 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 5/150419 comprising means for capillary action
• 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 5/15113 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 5/15146 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 5/15169 Characterized by a rolled strip
• CPC Class Codes: A61B 5/15173 Characterized by propelling the piercing element parallel to the direction of movement of the strip
• CPC Class Codes: A61B 5/15184 Piercing device comprising a separate compartment or unit for used piercing elements separate compartments for used piercing elements in stocking means A61B5/15178
• CPC Class Codes: A61B 5/157 Devices characterised by integrated means for measuring characteristics of blood
• CPC Class Codes: Y10T 436/110833 Utilizing a moving indicator strip or tape

Abstract

A supply of lancets for a multi-use lancing device are carried by a tape and sequentially brought from a storage position to an activating position by advancing the tape around a bend. The lancets are non-circular in cross-section along their longitudinal lengths, and in their activating position they extend from the tape such that their sharp tips are available for lancing tissue. The carrying tape can be arranged in reel-to-reel format in a housing having a lancing opening. The lancets can be integral with the tape and activated to move the lancet through the lancing opening by moving the tape along its tape path or by translating a dedicated service loop of the tape. The lancets can also be independent from the tape and activated through the lancing opening by a separate lancing actuator. A test media can be included on the carrying tape and the housing can contain a sensor to yield an integrated lancing and testing device.

Claims

1. A multi-use lancing device comprising:

a housing having a lancet opening and containing a supply reel, a storage reel, and a take-up reel, wherein the supply reel, the storage reel, and the take-up reel are each configured to rotate independently of the housing;

an elongated flexible carrying tape configured for reel-to-reel transfer from the supply reel to the storage reel;

a plurality of lancets sequentially positioned along the carrying tape and each having a lancet length and a distal portion defining a sharp tip; and

a sterile removable cover over the lancets in the supply reel,

wherein rotation of the take-up reel removes the cover from the lancets as the lancets are advanced from the supply reel to the storage reel.

2. The device of claim 1 wherein a substantial portion of the lancet length is high-aspect ratio in cross section.

3. The device of claim 1 wherein the lancets are composed of a hardened stainless steel or a shape memory alloy.

4. The device of claim 1 further comprising a cover application reel configured to place the cover on the lancets being advanced onto the storage reel.

5. The device of claim 1 further comprising a plurality of test media carried on the tape, at least one test media associated with each of the plurality of lancets.

6. The device of claim 1 wherein the lancets include a capillary groove for conveying a bodily fluid sample to an associated test media.

7. A multi-use lancing device comprising:

a housing having a lancet opening and containing a supply reel and a storage reel;

an elongated flexible carrying tape configured for reel-to-reel transfer from the supply reel to the storage reel;

a plurality of lancets sequentially positioned along the carrying tape and each having a lancet length and a distal portion defining a sharp tip;

a sterile removable cover over the lancets in the supply reel;

a take-up reel for removing the cover from the lancets as the lancets are advanced from the supply reel to the storage reel; and

a cover application reel for placing the cover on the lancets being advanced onto the storage reel.

8. A multi-use lancing device comprising:

a housing having a lancet opening and containing a supply reel and a storage reel;

an elongated flexible carrying tape configured for reel-to-reel transfer from the supply reel to the storage reel;

a plurality of lancets sequentially positioned along the carrying tape and each having a lancet length and a distal portion defining a sharp tip;

a sterile removable cover over the lancets in the supply reel; and

a take-up reel for removing the cover from the lancets as the lancets are advanced from the supply reel to the storage reel, the take-up reel is rotatable independent of the housing; and

a cover application reel for placing the cover over the lancets, the cover application reel is rotatable independent of the housing.

9. The device of claim 8 wherein the plurality of lancets and the carrying tape are formed from a single piece of tape stock.

10. The device of claim 8 wherein the plurality of lancets are integral with the carrying tape.