Lancet device with combined trigger and cocking mechanism

• US 9,307,939 B2
• Filed: 05/24/2013
• Issued: 04/12/2016
• Est. Priority Date: 03/30/2007
• Status: Active Grant

• Current Assignee: Stat Medical Devices Incorporated
• Original Assignee: Stat Medical Devices Incorporated
• Inventors: Schraga, Steven
• Primary Examiner(s): MCEVOY, THOMAS M
• Application Number:
  US13/902,508
• Publication Number:
  US 20130267814A1
• Time in Patent Office: 1,054 Days
• Field of Search: 606181-185, 604/22, 604/110, 604/117, 604/131, 604134-137, 604207-211, 600/583
• 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 5/150183 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 5/150916 by blocking components, e.g. piston, driving device or fluid passageway
• CPC Class Codes: A61B 5/15111 Semi-automatically triggered, e.g. at the end of the cocking procedure, for instance by biasing the main drive spring or when reaching sufficient contact pressure, the piercing device is automatically triggered without any deliberate action by the user
• 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 5/15142 Devices intended for single use, i.e. disposable
• 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

Lancet device including a skin engaging end that includes a lancet opening through which a lancet needle may extend, a movably mounted holding member configured to receive a lancet, and a combined triggering and cocking system structured and arranged to move the holding member to a retracted position during a cocking phase and to cause the holding member to move to an extended position during a triggering phase. A method of puncturing a surface of skin using the lancet device includes disposing the skin engaging end against a user'"'"'s skin and manually activating the combined triggering and cocking system. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Claims

1. A multi-use lancet device comprising:

a skin engaging end that includes a lancet opening through which a lancet needle may extend;

at least one compression spring comprising one of;

a center axis oriented parallel to an axis of the lancet opening; and

/or

a center axis oriented perpendicular to an axis of the lancet opening;

a movably mounted holding member configured to receive a replaceable lancet;

a combined triggering and cocking system associated with the at least one spring and being structured and arranged to move the holding member to a retracted position during a cocking phase and to cause the holding member to move to an extended position during a triggering phase; and

a portion of the combined triggering and cocking system being located outside a housing of the lancet device and being located closer to the skin engaging end than the compression spring.

2. The lancet device of claim 1, wherein the combined triggering and cocking system is activated manually and automatically causes the holding member to move to the extended position during the triggering phase.

3. The lancet device of claim 1, wherein the combined triggering and cocking system performs the cocking phase before the triggering phase.

4. The lancet device of claim 1, wherein the combined triggering and cocking system activates the cocking phase and the triggering phase using linear movement.

5. The lancet device of claim 1, wherein the portion of the combined triggering and cocking system comprises at least one push-button.

6. The lancet device of claim 1, wherein the portion of the combined triggering and cocking system comprises at least one push-button mounted to one of two opposite sides of the lancet device.

7. The lancet device of claim 1, wherein the portion of the combined triggering and cocking system comprises two push-buttons mounted to opposite sides of the lancet device.

8. The lancet device of claim 1, wherein the portion of the combined triggering and cocking system comprises a push-button biased towards an extended position.

9. The lancet device of claim 1, wherein the portion of the combined triggering and cocking system comprises at least one push-button biased towards an extended position and movable towards a central axis of the holding member.

10. The lancet device of claim 1, wherein the lancet device comprises a meter lancet device.

11. The lancet device of claim 1, wherein the lancet device comprises a blood glucose monitoring system.

12. The lancet device of claim 1, wherein the lancet device comprises a blood glucose meter.

13. The lancet device of claim 1, wherein the combined triggering and cocking system is prevented from moving back to an original position after the triggering phase.

14. The lancet device of claim 1, wherein the combined triggering and cocking system is prevented from moving back to an original position after the cocking phase.

15. The lancet device of claim 1, wherein the combined triggering and cocking system is prevented from moving back to an original position after the cocking and triggering phases.

16. The lancet device of claim 1, wherein the lancet device has an adjustable depth of penetration arrangement.

17. The lancet device of claim 1, further comprising a front cover movably connected to one end of a body of the lancet device.

18. A lancet device comprising:

a skin engaging surface that includes a lancet opening through which a lancet needle may extend;

a lancet needle movable parallel to a central axis of the lancet opening;

a spring that is compressed when the lancet needle moves from an original and/or intermediate position to a retracted position;

a combined triggering and cocking system comprising one portion disposed outside the lancet device and another portion disposed inside the lancet device;

the portion arranged outside being;

movable relative to a sidewall of the lancet device; and

closer to the skin engaging surface than the spring in the original position;

the other portion being structured and arranged to cause movement of the lancet needle to the retracted position during a cocking phase and to allow the lancet needle to move to an extended position during a triggering phase,

wherein, when a user moves the portion disposed outside, the other portion moves from one side of the central axis to another side of the central axis during at least the cocking phase, and

wherein the lancet needle is movable back to the original position and/or intermediate position after triggering of the lancet device.

19. The lancet device of claim 18, further comprising a removable cap that when removed allows a user to install a lancet having the lancet needle.

20. A multi-use lancet device comprising:

a skin engaging surface that includes a lancet opening through which a lancet needle may extend;

a lancet needle movable parallel to a central axis of the lancet opening;

a combined triggering and cocking system comprising two portions disposed outside the lancet device;

each of the two portions arranged outside being movable relative to a sidewall of the lancet device;

wherein, when a user moves the two portions disposed outside, the lancet needle first moves to a retracted position and then a triggering of the lancet device occurs whereby the lancet needle is automatically caused to move to a puncturing position, and

wherein the lancet needle is movable back to an original position and/or intermediate position after triggering of the lancet device.

21. A multi-use lancet device comprising:

a housing having a skin engaging end that includes a lancet opening through which a lancet needle may extend;

a compression spring mounted within the housing;

a movably mounted holding member configured to receive a replaceable lancet;

a combined triggering and cocking system structured and arranged to move the holding member to a retracted position during a cocking phase and to cause the holding member to move to an extended position during a triggering phase; and

a button portion of the combined triggering and cocking system being located outside the housing and being located closer to the skin engaging end than both the compression spring and the holding member.