LANCET DEVICE, REMOVAL SYSTEM FOR LANCET DEVICE, AND METHOD

• US 20070083222A1
• Filed: 10/11/2006
• Published: 04/12/2007
• Est. Priority Date: 06/16/2005
• Status: Abandoned Application

• Current Assignee: Stat Medical Devices Incorporated
• Original Assignee: Stat Medical Devices Incorporated
• Inventors: SCHRAGA, Steven
• Application Number:
  US11/548,613
• Publication Number:
  US 20070083222A1
• 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 5/150183 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 5/150198 Depth adjustment mechanism at the proximal end of the carrier of the piercing element
• 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 5/150503 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 5/150587 by friction fit
• CPC Class Codes: A61B 5/150717 manually removed
• CPC Class Codes: A61B 5/150824 by visual feedback
• 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 5/1519 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

Lancet device including a body and a holding member movably mounted within the body and comprising a front end and a rear end. The front end is configured to receive a lancet having the lancet needle. A lancet ejector and/or a biasing member are utilized. The biasing member is one of arranged within the holding member and biasing a mechanism for setting a trigger. 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 lancet device comprising:

a body;

a holding member movably mounted within the body and comprising a front end and a rear end;

the front end being configured to receive a lancet having the lancet needle; and

a biasing member one of;

arranged within the holding member; and

biasing a mechanism for setting a trigger.

2. The lancet device of claim 1, further comprising a first stop surface that moves with the holding member.

3. The lancet device of claim 1, further comprising an intermediate member at least one of axially adjustably connected to the body and threadably connected to the body.

4. The lancet device of claim 1, further comprising a front cover comprising a skin engaging end that includes a lancet opening through which a lancet needle may extend.

5. The lancet device of claim 3, further comprising an intermediate member non-removably connected to the body and wherein the front cover is movably and removably connected to the intermediate member.

6. The lancet device of claim 5, wherein movement of the intermediate member adjusts a depth of penetration of the lancet needle.

7. The lancet device of claim 1, further comprising a front cover removably mounted to an intermediate member.

8. The lancet device of claim 7, wherein the front cover is devoid of moving parts.

9. The lancet device of claim 1, further comprising a removable front cover comprising a one-piece plastic or synthetic resin member.

10. The lancet device of claim 1, further comprising an intermediate member, wherein movement of the intermediate member changes an overall length of the lancet device and wherein the intermediate member is spaced from a front cover.

11. The lancet device of claim 1, further comprising an intermediate member, wherein movement of the intermediate member changes an overall length of the lancet device and further comprising a front cover that is at least one of:

devoid of moving parts; and

a one-piece plastic or synthetic resin member.

12. The lancet device of claim 1, wherein the lancet device is structured and arranged to allow for replacement of the lancet and for multiple use.

13. The lancet device of claim 1, wherein the lancet is removably connected to the front end of the holding member.

14. The lancet device of claim 1, further comprising an arrangement for moving the holding member to a retracted or trigger-set position.

15. The lancet device of claim 1, further comprising a spring biasing the holding member towards the extended position.

16. The lancet device of claim 15, wherein the spring is arranged to surround a portion of the holding member.

17. The lancet device of claim 15 wherein the spring has one end that is coupled the holding member and another end coupled to a portion of the body.

18. The lancet device of claim 1, wherein the holding member comprises a generally cylindrical cross-section and is one of substantially hollow and open from the front end to the rear end.

19. The lancet device of claim 1, wherein the holding member comprises a generally polygonal cross-section and is one of substantially hollow and open from the front end to the rear end.

20. The lancet device of claim 1, further comprising a locking member mounted to the holding member, wherein the locking member is engagable with a trigger.

21. The lancet device of claim 1, further comprising a deflecting member coupled to the holding member, wherein the deflecting member is engagable with a trigger.

22. The lancet device of claim 1, further comprising a trigger movably mounted to the body and further comprising a stop surface that is contacted by a movable stop surface when the lancet holding member moves to an extended position.

23. The lancet device of claim 1, further comprising a front cover removably and non-threadably mounted to a front portion of the body and an intermediate member non-removably mounted to a rear portion of the body.

24. The lancet device of claim 1 further comprising a mechanism for at least temporarily maintaining a depth setting position of an intermediate member.

25. The lancet device of claim 1, wherein the holding member comprises an integrally formed deflecting member that engages a surface of the body.

26. The lancet device of claim 1, wherein the front end of the holding member comprises an opening that is configured to removably receive the lancet.

27. The lancet device of claim 1, further comprising a deflecting member configured to be deflected by a trigger.

28. The lancet device of claim 27, wherein the deflecting member is coupled to the holding member.

29. The lancet device of claim 27, wherein the deflecting member comprises an engaging surface that contacts a surface of the body.

30. The lancet device of claim 27, wherein the deflecting member is integrally formed with the holding member.

31. The lancet device of claim 1, further comprising indicia arranged on at least one of an intermediate member and the body.

32. The lancet device of claim 31, wherein the indicia is arranged on an outer circumferential surface of the body.

33. The lancet device of claim 31, wherein the indicia is arranged on an outer circumferential surface of the intermediate member.

34. The lancet device of claim 1, further comprising a front cover that rotates about an axis that runs through a lancet opening and the holding member without changing an overall length of the lancet device.

35. The lancet device of claim 1, wherein the biasing member is a spring disposed between a trigger and a back cap.

36. The lancet device of claim 35, further comprising another spring axially retained between walls of the two-piece body.

37. The lancet device of claim 1, wherein the body comprises a two-piece body.

38. The lancet device of claim 1, further comprising a back cap movably mounted to the body.

39. The lancet device of claim 1, wherein the body comprises an ergonomic shape.

40. The lancet device of claim 1, wherein the body comprises a plastic material.

41. The lancet device of claim 1, further comprising a lancet ejector, wherein the lancet ejector is biased by the biasing member.

42. The lancet device of claim 1, further comprising a lancet ejector moving substantially parallel to an axis passing through a lancet opening.

43. The lancet device of claim 1, further comprising a finger engaging member that activates a lancet ejector.

44. A method of puncturing a surface of skin using the lancet device of claim 1, the method comprising:

disposing a skin engaging end against a user'"'"'s skin; and

triggering the lancet device to cause the lancet needle to penetrate the users skin; and

removing the lancet needle from the lancet holding member using a lancet ejector substantially arranged within the body.

45. A lancet device comprising:

a body;

a holding member movably mounted within the body and comprising a front end and a rear end;

the front end being configured to receive a lancet having the lancet needle;

a removable front cover;

a lancet ejector; and

a biasing member biasing the lancet ejector,

wherein the biasing member is one of;

arranged within the holding member; and

biases a mechanism for setting a trigger.

46. A lancet device comprising:

a body;

a trigger;

a trigger setting device;

a holding member movably mounted within the body and comprising a front end and a rear end;

the front end being configured to receive a lancet having the lancet needle;

a removable front cover;

a lancet ejector; and

a biasing member biasing the lancet ejector and the trigger setting device.