Multi-lancet unit, method and lancet device using the multi-lancet unit, and method of assembling and/or making the multi-lancet unit

• US 9,289,161 B2
• Filed: 01/28/2005
• Issued: 03/22/2016
• Est. Priority Date: 01/28/2005
• Status: Expired due to Fees

• Current Assignee: Stat Medical Devices Incorporated
• Original Assignee: Stat Medical Devices Incorporated
• Inventors: Schraga, Steven
• Primary Examiner(s): Holwerda, Kathleen
• Assistant Examiner(s): SIMPSON, SARAH A
• Application Number:
  US11/044,008
• Publication Number:
  US 20060173478A1
• Time in Patent Office: 4,071 Days
• Field of Search: 606/181, 606/182, 604/191
• US Class Current: 1/1
• CPC Class Codes: A61B 5/1411 by percutaneous method, e.g. by lancet
• 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 5/150305 Packages specially adapted for piercing devices or blood sampling devices kits for diabetes A61M5/003; packaging in general B65D
• 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 5/15146 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 5/15155 Piercing elements which are specially shaped or are provided with fittings or attachments to facilitate nesting, stacking or joining together end-to-end or side-by-side
• CPC Class Codes: A61B 5/15174 Piercing elements stocked in the form of a stack or pile
• CPC Class Codes: A61B 5/15182 Means for keeping track or checking of the total number of piercing elements already used or the number of piercing elements still remaining in the stocking, e.g. by check window, counter, display
• CPC Class Codes: A61M 5/008 Racks for supporting syringes or needles A61M5/001 takes precedence

Abstract

Multi-lancet unit for a lancet device. The unit includes a plurality of lancets arranged in a row. Each lancet has a front end, a needle which extends from the front end, and a rear end. The front end of at least one of the plurality lancets is removably connected to the rear end of another of the plurality of lancets. The lancet device utilizes the multi-lancet unit and includes a body and a holding member which houses the multi-lancet unit. 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 utilizing a multi-lancet unit comprising a plurality of lancets arranged in a row, each lancet comprising a front end, a needle which extends from the front end, and a rear end, wherein the front end of at least one of the plurality lancets is removably connected to the rear end of another of the plurality of lancets, the lancet device comprising:

a body;

a holding member receiving therein the multi-lancet unit;

a releasable retaining mechanism arranged on the holding member and being structured and arranged to releasably engage with a plurality of different axial locations on the multi-lancet unit wherein each time the multi-lancet unit is advanced forwardly within the holding member by a predetermined amount, the retaining mechanism releasably retains the multi-lancet unit; and

a spring that causes movement of the holding member towards a puncturing position and that is compressed when the holding member is moved to a retracted position,

wherein the multi-lancet unit is axially movable within the holding member while the holding member remains axially stationary relative to the body and the holding member is axially movable within the body between at least the retracted position and the puncturing position.

2. The lancet device of claim 1, wherein the plurality of lancets comprises at least two lancets.

3. The lancet device of claim 1, wherein the plurality of lancets comprises one of at least three lancets, between five lancets and twenty lancets, and between eight lancets and twelve lancets.

4. The lancet device of claim 1, wherein each of the plurality of lancets comprises a generally cylindrical portion.

5. The lancet device of claim 1, wherein each of the plurality of lancets comprises a non-circular cross-section when viewed perpendicular to a center axis of the plurality of lancets.

6. The lancet device of claim 1, wherein each of the plurality of lancets comprises a locking mechanism.

7. The lancet device of claim 6, wherein the locking mechanisms are generally equally spaced.

8. The lancet device of claim 1, wherein each of the plurality of lancets comprises a locking recess.

9. The lancet device of claim 1, further comprising a trigger for causing movement of the holding member from the retracted position to the puncturing position.

10. The lancet device of claim 1, further comprising a mechanism for moving the holding member to a retracted trigger-set position.

11. The lancet device of claim 1, further comprising:

a trigger engageable with a portion of the holding member; and

the spring being arranged between front and rear ends of the holding member and having one end coupled to the body and another end coupled to the holding member.

12. The lancet device of claim 1, further comprising:

a trigger arranged on a side of the body and being engageable with a deflectable portion of the holding member; and

the spring being arranged between front and rear ends of the holding member and having one end coupled to the body and another end coupled to the holding member.

13. The lancet device of claim 1, further comprising:

a trigger being engageable with a portion of the holding member;

a mechanism structured and arranged to move the multi-lancet unit relative to the holding member; and

the spring being arranged between front and rear ends of the holding member and having one end coupled to the body and another end coupled to the holding member.

14. The lancet device of claim 1, wherein the releasable retaining mechanism comprises a mechanism structured and arranged to lock the multi-lancet unit relative to the holding member.

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

arranging the lancet device adjacent against a user'"'"'s skin; and

triggering the lancet device so that one of the plurality of lancets is caused to penetrate the user'"'"'s skin.

16. A lancet device utilizing a multi-lancet unit comprising a plurality of lancets arranged in a row, each lancet comprising a front end, a needle which extends from the front end, a rear end, an opening extending into the rear end, and a locking mechanism, wherein the front end of at least one of the plurality lancets is removably connected to the rear end of another of the plurality of lancets, the lancet device comprising:

a body;

a holding member receiving therein the multi-lancet unit;

a releasable retaining mechanism arranged on the holding member and being structured and arranged to releasably engage with a plurality of different axial locations on the multi-lancet unit wherein each time the multi-lancet unit is advanced forwardly within the holding member by a predetermined amount, the retaining mechanism releasably retains the multi-lancet unit; and

a spring arranged between front and rear ends of the holding member and being structured and arranged to move the holding member relative to the body,

wherein the multi-lancet unit is axially movable within the holding member while the holding member remains axially stationary relative to the body and the holding member is movable by the spring within the body between a retracted position and a puncturing position, and

wherein the spring is compressed when the holding member is moved to the retracted position.

17. The lancet device of claim 16, further comprising a trigger arranged on the body.

18. The lancet device of claim 16, further comprising a mechanism for moving the holding member to a retracted trigger-set position and at least one of:

a front cap arrangement connected to the body;

a front tip assembly coupled to a front end of the body;

a front assembly removably coupled to a front end of the body; and

a tip assembly adjusting a penetration depth of a lancet needle being coupled to a front end of the body.

19. The lancet device of claim 16, further comprising:

a trigger engageable with a portion of the holding member; and

the spring having one end coupled to the body and another end coupled to the holding member.

20. The lancet device of claim 16, further comprising:

a trigger arranged on a side of the body and being engageable with a deflectable portion of the holding member; and

the spring having one end coupled to the body and another end coupled to the holding member.

21. The lancet device of claim 16, further comprising:

a trigger arranged on the body and being engageable with a portion of the holding member;

a mechanism structured and arranged to move the multi-lancet unit relative to the holding member; and

the spring having one end coupled to the body and another end coupled to the holding member.

22. The lancet device of claim 16, wherein the releasable retaining mechanism comprises a mechanism structured and arranged to lock the multi-lancet unit relative to the holding member.

23. A method of puncturing a surface of skin using the lancet device of claim 16, the method comprising:

arranging the lancet device adjacent against a user'"'"'s skin; and

triggering the lancet device so that one of the plurality of lancets is caused to penetrate the user'"'"'s skin.

24. A lancet device utilizing a multi-lancet unit comprising a plurality of lancets arranged in a row, each lancet comprising a front end, a needle which extends from the front end, a rear end, an opening extending into the rear end, and a plurality of breakable and/or separable connections, wherein each breakable or separable connection is arranged to connect an adjacent pair of lancets,

a body having a trigger;

a holding member receiving therein the multi-lancet unit;

a trigger engageable with a portion of the holding member;

a releasable retaining mechanism arranged on the holding member and being structured and arranged to releasably engage with a plurality of different axial locations on the multi-lancet unit wherein each time the multi-lancet unit is advanced forwardly within the holding member by a predetermined amount, the retaining mechanism releasably retains the multi-lancet unit; and

a spring arranged between front and rear ends of the holding member and being structured and arranged to move the holding member relative to the body,

wherein the multi-lancet unit is axially movable within the holding member and the holding member is axially movable within the body between a retracted trigger-set position and a puncturing position.

25. The lancet device of claim 24, further comprising a mechanism for moving the holding member to the retracted trigger-set position.

26. The lancet device of claim 24, wherein the spring has one end coupled to the body and another end coupled to the holding member.

27. The lancet device of claim 24, wherein the spring surrounds a portion of the holding member.

28. The lancet device of claim 24, further comprising a mechanism structured and arranged to move the multi-lancet unit relative to the holding member.

29. The lancet device of claim 24, wherein the releasable retaining mechanism comprises a mechanism structured and arranged to lock the multi-lancet unit relative to the holding member.