Lancing device with dampened spring

• US 20070173876A1
• Filed: 03/31/2006
• Published: 07/26/2007
• Est. Priority Date: 01/20/2006
• Status: Abandoned Application

• Current Assignee: Lifescan Incorporated (Duv Holding Corporation)
• Original Assignee: Lifescan Incorporated (Duv Holding Corporation)
• Inventors: Uschold, Robert, Aylett, Jeffrey
• Application Number:
  US11/395,908
• Publication Number:
  US 20070173876A1
• Time in Patent Office: Days
• US Class Current: 606/181
• CPC Class Codes: A61B 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/150152 by an adequate mechanical impact on the puncturing location
• 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 5/150412 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 5/15113 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

Abstract

A lancing device includes a housing, a moveable lancet holder configured to hold a lancet, and a launching mechanism. The launching mechanism includes a launch spring and retraction spring, at least one of which has been at least partially coated with a dampening material that aids in dampening sound and/or vibration during lancing. In addition, the moveable lancet holder and launching mechanism are operatively connected to lance a target site with the lancet.

Claims

1. A lancing device comprising:

a housing;

a moveable lancet holder disposed at least partially within the housing and configured to hold a lancet; and

a launching mechanism that includes a launch spring and a retraction spring, with at least one of the launch spring and retraction spring being at least partially coated with a dampening material;

wherein the moveable lancet holder and launching mechanism are operatively connected to lance a target site with the lancet.

2. The lancing device of claim 1, wherein the launch spring has been at least partially coated with the dampening material to a thickness in the range of about 0.005 mm to about 0.015 mm.

3. The lancing device of claim 2, wherein the dampening material is a polymeric material.

4. The lancing device of claim 1, wherein the retraction spring has been at least partially coated with the dampening material to a thickness in the range of about 0.005 mm to about 0.015 mm.

5. The lancing device of claim 4, wherein the dampening material is a polymeric material.

6. The lancing device of claim 1, wherein the retraction spring and the launch spring are coated with the dampening material to a thickness in the range of about 0.005 mm to about 0.015 mm.

7. The lancing device of claim 6, wherein the dampening material is a polymeric material.