CA2412401A1 - Cap for a lancing device - Google Patents

Cap for a lancing device Download PDF

Info

Publication number
CA2412401A1
CA2412401A1 CA002412401A CA2412401A CA2412401A1 CA 2412401 A1 CA2412401 A1 CA 2412401A1 CA 002412401 A CA002412401 A CA 002412401A CA 2412401 A CA2412401 A CA 2412401A CA 2412401 A1 CA2412401 A1 CA 2412401A1
Authority
CA
Canada
Prior art keywords
cap
contact ring
housing
distal end
cap body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002412401A
Other languages
French (fr)
Other versions
CA2412401C (en
Inventor
Piet Moerman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Diabetes Diagnostics Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA2733803A priority Critical patent/CA2733803A1/en
Publication of CA2412401A1 publication Critical patent/CA2412401A1/en
Application granted granted Critical
Publication of CA2412401C publication Critical patent/CA2412401C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
    • A61B5/150061—Means for enhancing collection
    • A61B5/150068—Means for enhancing collection by tissue compression, e.g. with specially designed surface of device contacting the skin area to be pierced
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
    • A61B5/1405—Devices for taking blood samples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/150022—Source of blood for capillary blood or interstitial fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150748—Having means for aiding positioning of the piercing device at a location where the body is to be pierced
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades

Abstract

A cap for a lancing device for lancing dermal tissue is provided. The cap includes a cap body having a proximal end for connecting to the distal end of the housing of the lancing device and a contact ring attached to the distal end of the cap body. The contact ring includes an opening for a portion of the lancet of the lancing device to pass therethrough. The contact ring has a multi-contoured surface oriented generally about an axis distinct from the axis of motion of the lancet. The multi-contoured surface is designed to pressure the dermal tissue to facilitate expression of a fluid sample after lancing the dermal tissue. The fluid sample can include blood, interstitial fluid, or both.

Claims (29)

1. A cap for a lancing device for lancing dermal tissue, the lancing device including a housing having a proximal end and a distal end and a lancet mounted within the housing, the lancet being movable along a first axis relative to the housing, the cap comprising:
a cap body having a proximal end and a distal end, the proximal end of the cap body connecting to the distal end of the housing of the lancing device; and a contact ring attached to the distal end of the cap body, the contact ring including an opening for a portion of the lancet to pass therethrough, the contact ring having a mufti-contoured surface oriented generally about a second axis distinct from the first axis for pressuring the dermal tissue to facilitate expression of a blood sample after lancing the dermal tissue.
2. The cap of claim 1, wherein the cap body is transparent, translucent, or opaque.
3. The cap body of claim 1, wherein a portion of the cap body is transparent to allow a user to view the blood sample.
4. The cap of claim 1, wherein the multi-contoured surface comprises an outer radial portion oriented at a first angle relative to the second axis, and an inner radial portion proximate the opening and oriented at a second angle, distinct from the first angle, relative to the second axis.
5. The cap of claim 1, wherein the cap is removably and replaceably connected to the distal end of the housing.
6. The cap of claim 1, wherein the contact ring has a contacting surface having a flat portion extending radially inwardly from a perimeter portion, wherein the multi-contoured surface extends from the flat portion to the opening.
7. The cap of claim 1, wherein the multi-contoured surface comprises a pair of pressure wings.
8. The cap of claim 1, wherein the contact ring is formed of a flexible, deformable material.
9. The cap of claim 8, wherein the contact ring includes edge portions which extend outwardly from the cap body.
10. The cap of claim 1, wherein the contact ring has a non-transparent color distinct from and in contrast to the color of the dermal tissue.
11. The cap of claim 1, wherein the contact ring comprises a separate and discrete component mounted on the cap body.
12. The cap of claim 1, wherein the contact ring is integrally formed with the cap body.
13. The cap of claim 1, wherein the contact ring urges blood in the dermal tissue towards the opening in the contact ring.
14. The cap of claim 1, wherein the multi-contoured surface includes an anti-slip feature.
15. The cap of claim 14, wherein the anti-slip feature comprises a roughened surface on the multi-contoured surface to increase friction between the contact ring and the skin.
16. The cap of claim 14, wherein the anti-slip feature comprises an anti-slip material affixed to the multi-contoured surface.
17. The cap of claim 1, wherein the contact ring is formed of an anti-slip material.
18. The cap of claim 1, wherein the multi-contoured surface comprises:
an outer radial portion oriented at a first angle relative to the second axis;
a middle radial portion oriented at a second angle relative to the second axis; and an inner radial portion oriented at a third angle relative to the second axis.
19. A cap for a lancing device for lancing dermal tissue, the lancing device including a housing having a proximal end and a distal end and a lancet mounted within the housing, the lancet being movable along a first axis relative to the housing, the cap comprising:
a cap body having a proximal end and a distal end, the proximal end of the cap body connecting to the distal end of the housing of the lancing device, a contact ring attached to the distal end of the cap body, the contact ring including an opening for a portion of the lancet to pass therethrough, and a sleeve mounted about the cap body, the sleeve being movable generally along the first axis and relative to the cap body, the sleeve including at least two legs for maintaining contact with the dermal tissue during expression of a blood sample after lancing the dermal tissue.
20. The cap of claim 19, wherein the sleeve is biased toward the distal end of the cap body.
21. The cap of claim 19, wherein the legs are spaced apart to permit a user's fingers in the space therebetween.
22. The cap of claim 19, wherein the legs are constructed from a resilient material such that the legs act to compress the user's finger when positioned therebetween.
23. The cap of claim 19, wherein the legs include an anti-slip feature to prevent movement of the legs relative to the skin.
24. The cap of claim 23, wherein the anti-slip feature comprises a roughened surface to increase friction between the legs and the skin.
25. The cap of claim 23, wherein the anti-slip feature comprises an anti-slip material affixed to a portion of the legs in contact with the skin.
26. A cap for a lancing device for lancing a fingertip, the lancing device including a housing having a proximal end and a distal end and a lancet mounted within the housing, the lancet being movable along the housing, the cap comprising:
a cap body having a proximal end and a distal end, the proximal end of the cap body connecting to the distal end of the housing of the lancing device;

a contact ring attached to the distal end of the cap body, the contact ring including an opening for a portion of the lancet to pass therethrough, the contact ring having a multi-contoured surface oriented to create a pressure gradient decreasing towards a puncture on an irregularly curved surface of the fingertips.
27. The cap of claim 26, wherein the cap body is transparent, translucent, or opaque.
28. A cap for a lancing device for lancing a curved dermal tissue, the lancing device including a housing having a proximal end and a distal end and a lancet mounted within the housing, the lancet being movable along the housing, the cap comprising:
a cap body having a proximal end and a distal end, the proximal end of the cap body connecting to the distal end of the housing of the lancing device, a contact ring attached to the distal end of the cap body, the contact ring including an opening for a portion of the lancet to pass therethrough, the contact ring having a multi-contoured surface oriented for pressuring the curved dermal tissue, wherein the contact ring is comprised of a deformable, flexible material for conforming to the skin at the lancing site to facilitate the expression of a fluid therefrom.
29. A lancing device for lancing dermal tissue, comprising:
a housing having a proximal end and a distal end;
a lancet mounted within the housing, the lancet being movable along a first axis relative to the housing; and a cap attached to the distal end of the housing, the cap comprising a cap body having a proximal end connecting to the distal end of the housing and a distal end having a contact ring, wherein the contact ring includes an opening for a portion of the lancet to pass therethrough, and a multi-contoured surface oriented generally about a second axis distinct from the first axis for pressuring the dermal tissue to facilitate expression of a blood sample after lancing the dermal tissue.
CA2412401A 2000-06-09 2001-06-08 Cap for a lancing device Expired - Fee Related CA2412401C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2733803A CA2733803A1 (en) 2000-06-09 2001-06-08 Cap for a lancing device

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US21080800P 2000-06-09 2000-06-09
US60/210,808 2000-06-09
US26151301P 2001-01-12 2001-01-12
US60/261,513 2001-01-12
PCT/US2001/018482 WO2001095806A2 (en) 2000-06-09 2001-06-08 Cap for a lancing device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2733803A Division CA2733803A1 (en) 2000-06-09 2001-06-08 Cap for a lancing device

Publications (2)

Publication Number Publication Date
CA2412401A1 true CA2412401A1 (en) 2001-12-20
CA2412401C CA2412401C (en) 2011-05-10

Family

ID=26905524

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2412401A Expired - Fee Related CA2412401C (en) 2000-06-09 2001-06-08 Cap for a lancing device

Country Status (17)

Country Link
US (3) US6706049B2 (en)
EP (2) EP1318752A2 (en)
JP (1) JP4772263B2 (en)
KR (1) KR20030045678A (en)
CN (1) CN100515336C (en)
AT (1) ATE543437T1 (en)
AU (2) AU6676601A (en)
CA (1) CA2412401C (en)
CZ (1) CZ20024006A3 (en)
ES (1) ES2378699T3 (en)
IL (2) IL153295A0 (en)
MX (1) MXPA02012175A (en)
NO (1) NO20025880L (en)
PL (2) PL197142B1 (en)
RU (1) RU2269954C2 (en)
TW (1) TWI305492B (en)
WO (1) WO2001095806A2 (en)

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