Lancet depth adjustment assembly

• US 7,678,126 B2
• Filed: 05/03/2005
• Issued: 03/16/2010
• Est. Priority Date: 01/05/2000
• Status: Active Grant

• Current Assignee: Steven Schraga
• Original Assignee: Steven Schraga
• Inventors: Schraga, Steven
• Primary Examiner(s): Rodriguez; Cris L
• Assistant Examiner(s): EIDE, HEIDI MARIE
• Application Number:
  US11/121,312
• Publication Number:
  US 20050245955A1
• Time in Patent Office: 1,778 Days
• Field of Search: 606181-189, 606/167, D24/147
• US Class Current: 606/181
• CPC Class Codes: A61B 2090/033 Abutting means, stops, e.g. abutting on tissue or skin
• 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 5/15113 Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
• CPC Class Codes: A61B 5/15186 Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use

Abstract

A lancet depth adjustment assembly structured to be used use with a lancet device of the type including a lancet disposed movably within a housing so as to pass into a piercing orientation wherein a piercing tip of the lancet protrudes from a piercing aperture defined in the housing. The lancet depth adjustment assembly includes a depth adjustment element movably secured in overlying relation to the piercing aperture of the housing and having a piercing access including one or more openings structured to permit passage of the piercing tip of the lancet therethrough. The depth adjustment element is structured to be interposed between a finger of a patient and the piercing aperture so as to define a spacing therebetween, and accordingly define a depth to which the piercing tip, which protrudes a defined amount from the housing, penetrates the body part. Furthermore, the depth adjustment element is constructed of a varying thickness so as to vary the spacing between the body part and the piercing aperture in accordance with a thickness of a portion of the depth adjustment element disposed in overlying relation to the piercing aperture at a time of operation of the lancet device.

Claims

1. For use in combination with a lancet device including a lancet disposed within a housing and structured to move into a piercing orientation wherein a piercing tip of the lancet protrudes from a piercing aperture defined in the housing, a lancet depth adjustment assembly comprising:

a depth adjustment element, said depth adjustment element secured in at least partially overlying relation to a piercing aperture of a housing;

said depth adjustment element including a piercing access, said piercing access including at least one opening structured to permit passage of a piercing tip of a lancet therethrough;

said depth adjustment element structured and disposed to be at least temporarily and at least partially interposed between a finger and the piercing aperture so as to define a spacing between the finger and the piercing aperture, and accordingly a depth to which the piercing tip penetrates the finger;

said depth adjustment element having an interior surface and an exterior surface disposed in at least partially overlying relation to the piercing aperture of the housing,

said exterior surface comprising a stepped configuration including a plurality of steps disposed in an exteriorly exposed location on said adjustment element,

each of said plurality of steps disposed at a different spacing from the piercing aperture and structured to independently engage and maintain the finger at a corresponding one of said different spacings from the piercing aperture, and

said piercing access extending at least partially along a length of said depth adjustment element so as to permit the passage of the piercing tip therethrough when said depth adjustment element is disposed in overlying relation to the piercing aperture in at least two distinct piercing locations.

2. A lancet depth adjustment assembly as recited in claim 1 wherein said depth adjustment element is movably secured to the housing and is structured to vary a portion of said depth adjustment element which generally overlies the piercing aperture.

3. A lancet depth adjustment assembly as recited in claim 1 further comprising a guide assembly coupled to the housing and structured to movably retain and position said depth adjustment element relative to the housing.

4. A lancet depth adjustment assembly as recited in claim 1 wherein said depth adjustment element includes indicia disposed thereon to indicate the depth to which the piercing tip penetrates the finger in accordance with said portion of said depth adjustment element which generally overlies the piercing aperture.

5. A lancet depth adjustment assembly as recited in claim 1 wherein said depth adjustment element includes an at least partially tapered configuration and is movably secured over the piercing aperture so as to vary said spacing between the finger and the piercing aperture in response to which of said plurality of steps is disposed in overlying relation to the piercing aperture.

6. A lancet depth adjustment assembly as recited in claim 1 wherein said depth adjustment element includes an at least partially wedge shaped configuration structured to selectively maintain said spacing between the finger and the piercing aperture.

7. A lancet depth adjustment assembly as recited in claim 1 wherein, said interior surface is disposed in generally confronting relation to the housing.

8. For use in combination with a lancet device including a lancet disposed within a housing and structured to move into a piercing orientation wherein a piercing tip of the lancet protrudes from a piercing aperture defined in the housing, a lancet depth adjustment assembly comprising:

a depth adjustment element, said depth adjustment element adjustably secured in at least partially overlying relation to a piercing aperture of a housing;

said depth adjustment element including a piercing access structured to permit passage of a piercing tip of a lancet therethrough;

said depth adjustment element structured and disposed to be at least temporarily and at least partially interposed between a finger and the piercing aperture so as to define a spacing between the finger and the piercing aperture, and accordingly a depth to which the piercing tip penetrates the finger;

said depth adjustment element having an interior surface and an exterior surface, said exterior surface comprising a stepped configuration including a plurality of steps,

each of said plurality of steps disposed in an exteriorly exposed location on said adjustment element at a different spacing from the piercing aperture, and

each of said plurality of steps structured to independently engage and maintain the finger at a corresponding one of said different spacings from the piercing aperture.

9. A lancet device comprising:

a lancet disposed within a housing and being structured to move into a piercing orientation, wherein a piercing tip of the lancet protrudes from a piercing aperture each time the lancet device is used;

a depth adjustment element having an interior surface and an exterior surface, wherein the interior and exterior surfaces are positioned in at least partially overlying relation to the piercing aperture of the housing,

said exterior surface comprising a stepped configuration including a plurality of steps disposed in an exteriorly exposed location on said adjustment element,

each of said plurality of steps disposed at a different spacing from the piercing aperture and structured to independently engage and maintain the finger at a corresponding one of said different spacings from the piercing aperture, and

wherein a position of each of said plurality of steps is adjustable relative to the piercing aperture.

10. The lancet device of claim 9, wherein the piercing tip of the lancet protrudes from the piercing aperture by a predetermined uniform amount each time the lancet device is used, each of said different spacings between the piercing aperture and corresponding ones of said plurality of steps is dimensioned to establish a different depth to which the piercing tip penetrates the finger.

11. The lancet device of claim 9, wherein, when the depth adjustment element is located in one position relative to the piercing aperture, the depth to which the piercing tip penetrates a user'"'"'s finger is different than when the depth adjustment element is located in another position.

12. The lancet device of claim 9, wherein said depth adjustment element is a single adjustable depth adjustment element.

13. The lancet device of claim 9, further comprising a guide assembly structured to movably retain and position said depth adjustment element in overlying relation to the piercing aperture.

14. The lancet device of claim 9, wherein each of said plurality of steps is disposed and structured to effectively and independently receive and retain a user'"'"'s finger seated therein thereby operably aligning the finger and prevent the finger from shifting.

15. A lancet device comprising:

a lancet disposed within a housing and being structured to move into a piercing orientation wherein a piercing tip of the lancet protrudes from a piercing aperture by a predetermined uniform amount each time the lancet device is used;

a depth adjustment element having an interior surface and an exterior surface, wherein the interior and exterior surfaces are positioned in at least partially overlying relation to the piercing aperture of the housing,

said exterior surface comprising a stepped configuration including a plurality of steps disposed in an exteriorly exposed location on said adjustment element,

each of said plurality of steps defining a different spacing between a finger and a piercing aperture, and accordingly a varying depth to which the piercing tip penetrates the finger, wherein a position of said plurality of steps is collectively adjustable relative to the piercing aperture; and

a guide assembly structured to movably retain and position said depth adjustment element in overlying relation to the piercing aperture.