LANCING DEVICE WITH DEPTH ADJUSTMENT AND LANCET REMOVAL SYSTEM AND METHOD

• US 20150374272A1
• Filed: 06/24/2015
• Published: 12/31/2015
• Est. Priority Date: 06/26/2014
• Status: Active Grant

• Current Assignee: Stat Medical Devices Incorporated
• Original Assignee: Stat Medical Devices Incorporated
• Inventors: SCHWARTZ, Brian, SCHRAGA, Steven, MOSES, Erik J., POCHYHAYLO, Mykola
• Granted Patent: US 10,070,811 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/15019 Depth adjustment mechanism using movable stops located inside the piercing device housing and limiting the travel of the drive mechanism mechanisms using distal end caps A61B5/150183, mechanisms at the piercing element carrier proximal end A61B5/150198
• 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 5/150824 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 5/15128 comprising 2D- or 3D-shaped elements, e.g. cams, curved guide rails or threads 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 lancet device includes a housing, a removable front cap mounted to the housing, a lancet holding member, a trigger and an arming system comprising a grippable cocking member structured and arranged to place the lancet device in a trigger-set or armed position. A depth adjustment system includes a member that is at least slidable and partially rotatably mounted and that has an axis of rotation arranged substantially parallel to a center axis of the lancet holding member. An ejection system includes an ejector having a portion extending outside a sidewall opening of the housing and being located closer to a front end of the housing than to a rear end of the housing. The sidewall opening of the housing is arranged on an area of the housing located between the trigger and a wall of the housing located opposite the trigger. The ejection system is structured and arranged to at least one of prevent axial movement of the lancet holding member or remove or eject a lancet from the lancet holding member.

Claims

1. A lancet device comprising:

a housing;

a front cap;

a depth adjustment slide button mounted to move at least one of;

within an outwardly curved slot arranged on the housing;

along an arcuate path; and

about a rotation axis disposed outside the body.

2. The lancet device of claim 1, wherein the depth adjustment slide button is arc-shaped and non-circular.

3. The lancet device of claim 1, wherein the depth adjustment slide button is coupled to a stop member disposed inside the housing and having plural stop surfaces.

4. The lancet device of claim 1, wherein the depth adjustment slide button includes an indicator indicating a depth of penetration adjustment position.

5. A lancet device comprising:

a housing;

a removable front cap mounted to the housing;

a lancet holding member;

a trigger;

an arming system comprising a grippable cocking member structured and arranged to place the lancet device in a trigger-set or armed position;

a depth adjustment system comprising a slide that is at least slidable and partially rotatably mounted and that has an axis of rotation arranged substantially parallel to a center axis of the lancet holding member;

an ejection system comprising an ejector having a portion extending outside a sidewall opening of the housing and being located closer to a front end of the housing than to a rear end of the housing;

the sidewall opening of the housing being arranged on an area of the housing located between the trigger and a wall of the housing located opposite the trigger; and

said ejection system being structured and arranged to at least one of;

prevent axial movement of the lancet holding member;

or

remove or eject a lancet from the lancet holding member.

6. The lancet device of claim 5, wherein the portion extending outside a sidewall opening of the housing comprises a manually activated slide button portion.

7. The lancet device of claim 5, wherein the ejection system each of prevents axial movement of the lancet holding member and removes or ejects the lancet from the lancet holding member.

8. The lancet device of claim 5, wherein the slide comprises plural cam or stop surfaces.

9. The lancet device of claim 5, wherein the slide is a one-piece member comprising indicia.

10. The lancet device of claim 5, wherein the slide is arranged inside the housing and further comprising a selector button coupled to the slide and being movable from outside the housing.

11. The lancet device of claim 5, wherein the slide is arranged inside the housing and further comprising a selector button coupled to the member and having a grip surface.

12. The lancet device of claim 5, further comprising a slide button or selector coupled to the slide and that is movable relative the hosing along a direction perpendicular to a longitudinal axis of the lancet device.

13. The lancet device of claim 5, further comprising a first spring configured to cause movement of the lancet holding member towards a puncturing position and a second spring configured to cause a back cap to move towards an initial position from a retracted position.

14. The lancet device of claim 5, further comprising a first spring configured to cause movement of the lancet holding member towards a puncturing position, a second spring configured to cause a back cap to move towards an initial position from a retracted position, and a third spring configured to cause a slide member of the ejection system to move towards an initial position from an extended position.

15. A method of puncturing a surface of skin using the lancet device of claim 5, the method comprising:

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

triggering the lancet device so that a lancet is caused to penetrate the user'"'"'s skin.

16. A lancet device comprising:

a housing;

a removable front cap mounted to the housing;

a lancet holding member having a front end adapted to receive therein a removable lancet;

a trigger;

an arming system comprising a movable cocking member structured and arranged to place the lancet device in a trigger-set or armed position;

a depth adjustment system comprising an arcuate-shaped member having two or more cam or stop surface; and

a lancet ejection system located closer to a front end of the housing than to a rear end of the housing and comprising at least one of;

a movement preventer configured to prevent axial movement of the lancet holding member;

a lancet remover portion configured to remove or eject a lancet from the lancet holding member;

or

a front cap remover portion configured to remove or eject the front cap.

17. The lancet device of claim 16, wherein the ejection system comprises a manually activated slide button.

18. The lancet device of claim 16, wherein the ejection system each of prevents axial movement of the lancet holding member, removes or ejects the lancet from the lancet holding member, and removes or ejects the front cap.

19. The lancet device of claim 16, further comprising indicia arranged on the housing.

20. The lancet device of claim 16, further comprising a first spring configured to cause movement of the lancet holding member towards a puncturing position and a second spring configured to cause a back cap to move towards an initial position from a retracted position.

21. The lancet device of claim 16, further comprising a first spring configured to cause movement of the lancet holding member towards a puncturing position, a second spring configured to cause a back cap to move towards an initial position from a retracted position, and a third spring configured to cause a slide member of the ejection system to move towards an initial position from an extended position.

22. 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 a lancet is caused to penetrate the user'"'"'s skin.

23. A lancet device comprising:

a housing having an ergonomic shape;

a removable front cap mounted to the housing;

a movably mounted lancet holding member having a front end adapted to receive therein a removable lancet;

a trigger arranged on a side wall of the housing;

an arming system comprising a movable cocking member configured to place the lancet device in a trigger-set or armed position;

a depth adjustment system comprising a slidable member having plural cam or stop surfaces and being movable along a direction that is not parallel to a longitudinal axis of the lancet device;

a locking member configured to prevent axial movement of the lancet holding member; and

a lancet ejector arranged closer to a front end of the housing than to a rear end of the housing and being configured to remove or eject a lancet from the lancet holding member,

wherein the cocking member is located behind the member with plural cam surfaces and the lancet ejector is located in front of the member with plural cam surfaces.

24. A lancet device comprising:

a housing;

a removable front cap;

a movably mounted lancet holding member having a front end adapted to receive therein a removable lancet;

a trigger arranged on at least one of;

a lateral side of the lancet device;

or

a side wall of the housing;

an arming system configured to place the lancet device in a trigger-set or armed position;

the arming system comprising a cocking member arranged at a rear end of the housing that can move away from the housing when the lancet device is placed in the trigger-set or armed position;

a first spring configured to move the lancet holding member to a puncturing position;

a second spring that is compressed when the member is moved away from the housing;

an ejection system configured to remove or eject a lancet from the lancet holding member;

the ejection system comprising a slidable ejector including each of;

a first portion that extends outside the housing and that can be moved by a user;

a second portion adapted to extend into a portion of the lancet holding member and to contact the removable lancet when installed therein; and

a third portion that can slide over a front cap mounting portion of the lancet device when the front cap is removed from the front cap mounting portion and when the slidable ejector is slid to an ejection position; and

a curved depth adjustment member arranged within the housing and being movable along a curved path between plural depth of penetration setting positions.

25. The lancet device of claim 24, further comprising a locking member configured to prevent axial movement of the lancet holding member.

26. The lancet device of claim 24, wherein the front cap is removable when rotated relative to the housing and the lancet holding member comprises a deflecting portion that can be contacted by a portion of the trigger.

27. The lancet device of claim 24, wherein the slidable ejector and the trigger are each arranged at least one of:

closer to the front end than to the rear end of the housing;

or

closer to a front end than to a rear end of the lancet device.