CA2596652A1 - Lancet protective cap - Google Patents

Lancet protective cap Download PDF

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Publication number
CA2596652A1
CA2596652A1 CA002596652A CA2596652A CA2596652A1 CA 2596652 A1 CA2596652 A1 CA 2596652A1 CA 002596652 A CA002596652 A CA 002596652A CA 2596652 A CA2596652 A CA 2596652A CA 2596652 A1 CA2596652 A1 CA 2596652A1
Authority
CA
Canada
Prior art keywords
web
lancing
tip
lancet
layer
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
CA002596652A
Other languages
French (fr)
Other versions
CA2596652C (en
Inventor
Frank A. Chan
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.)
F Hoffmann La Roche AG
Original Assignee
F. Hoffmann-La Roche Ag
Frank A. Chan
Roche Diagnostics Operations, Inc.
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 F. Hoffmann-La Roche Ag, Frank A. Chan, Roche Diagnostics Operations, Inc. filed Critical F. Hoffmann-La Roche Ag
Publication of CA2596652A1 publication Critical patent/CA2596652A1/en
Application granted granted Critical
Publication of CA2596652C publication Critical patent/CA2596652C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
    • A61B5/15058—Joining techniques used for protective means
    • A61B5/15061—Joining techniques used for protective means by material engagement, e.g. welding, bonding
    • 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
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150274—Manufacture or production processes or steps for blood sampling devices
    • 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
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
    • A61B5/150541—Breakable protectors, e.g. caps, shields or sleeves, i.e. protectors separated destructively, e.g. by breaking a connecting area
    • A61B5/150564—Protectors removed by pulling or pushing
    • 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
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
    • A61B5/150694—Procedure for removing protection means at the time of piercing
    • A61B5/150717—Procedure for removing protection means at the time of piercing manually removed
    • 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
    • A61B5/150801—Means for facilitating use, e.g. by people with impaired vision; means for indicating when used correctly or incorrectly; means for alarming
    • A61B5/150824—Means for facilitating use, e.g. by people with impaired vision; means for indicating when used correctly or incorrectly; means for alarming by visual feedback
    • 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
    • A61B5/150358—Strips for collecting blood, e.g. absorbent
    • 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
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
    • 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
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150503—Single-ended needles

Abstract

A unique technique for maintaining the sterility and integrity of a lancet tip. One or more lancet tips (34) are sandwiched between a first web (22) and a second web (24) of material to protect the sterility of the lancet tips. The first and second webs are heat fused together to form a structure that covers and encapsulates the lancet tips to protect the integrity of the lancet tips.
The structure is cut to form individual protective caps to detachably cover each of the lancet tips.

Claims (21)

1 What is claimed is:

1. A method for covering a lancing tip, comprising:
sandwiching at least a lancing tip between a first web of material resistant to melting at a specific temperature and a second web of material meltable at the specific temperature; and melting the second web by heating both the first web and the second web to at least the specific temperature in order to encapsulate at least the lancing tip in a sterile enclosure;
wherein during the melting the first web remains in an unmelted state to form a ribbon to protect integrity of at least the lancing tip.
2. The method of claim 1, further comprising:
cooling the second web to form a removable cap covering at least the lancing tip.
3. The method of claim 1, further comprising:
cutting the first web and the second web to a desired shape to form a pull-off tab.
4. The method of claim 1, wherein:
the first web includes a multi-layered material having a first material resistant to melting at the specific temperature and a second material meltable at the specific temperature; and said melting the second web includes melting the second material of the first web while the first material remains in an unmelted state.
5. The method of claim 1, wherein:
the second web includes a multi-layered material having a first material resistant to melting at the specific temperature and a second material meltable at the specific temperature; and said melting the second web includes melting the second material of the second web while the first material remains in an unmelted state.
6. The method of claim 1, wherein said sandwiching at least the lancing tip includes sandwiching a plurality of the lancing tips between the first web and the second web.
7. The method of claim 1, further comprising:

wherein said sandwiching at least the lancing tip includes sandwiching a plurality of the lancing tips between the first web and the second web;
wherein the ribbon protects the integrity of at least the plurality of lancing tips; and storing the plurality of lancing tips and the ribbon in a cartridge.
8. The method of claim 1, further comprising:
attaching the lancing tip to a test strip configured to analyze body fluid to form an integrated lancing test strip.
9. The method of claim 8, further comprising:
sterilizing the lancing tip before attaching the lancing tip to the test strip to form the integrated lancing test strip.
10. The method of claim 8, further comprising:
sterilizing the lancing tip after attaching the lancing tip to the test strip to form the integrated lancing test strip; and calibrating the integrated lancing test strip wherein the test strip is configured to analyze a bodily fluid sample.
11. The method of claim 1, further comprising:
providing an indicator on the ribbon to show a direction for removing the ribbon to expose the lancing tip.
12. A device, comprising:
a lancet having a lancet tip configured to form an incision in skin;
a first web of a multi-layered material, wherein the multi-layered material has a heat-resistant first layer and a heat-sensitive second layer; and a second web of the multi-layered material, the second layer of the second web contacting the second layer of the first web and sandwiching the lancet tip between the first web and the second web to protect sterility of the lancet tip;
wherein the second layer of the first web and the second layer of the second web are melted together to form a structure to encapsulate the lancet tip.
13. The device of claim 12, wherein:
the first layer includes polystyrene; and the second layer includes polyethylene.
14. The device of claim 12, further comprising:
a plurality of the lancet tips sandwiched between the first web and the second web.
15. The device of claim 12, further comprising:
a plurality of the lancet tips sandwiched between the first web and the second web;
a plurality of the structures configured to encapsulate said plurality of the lancet tips; and a cartridge for storing the plurality of the structures and the plurality of the lancet tips.
16. The device of claim 12, wherein the structure is severable to form a protective cap to cover the lancet tip.
17. The device of claim 12, wherein the first layer is rigid to form a protective outer surface of the structure.
18. The device of claim 12, further comprising:
a test strip attached to the lancet and adapted to analyze bodily fluid from the incision.
19. An apparatus, comprising:
means for forming an incision;
means for encapsulating said means for forming an incision in a sterile environment comprising a first web including at least a single layer whereas a portion of the first web is meltable at a temperature; and means for strengthening said means for encapsulating comprising a second web including at least a single layer whereas a portion of the second web is resistant to melting at the temperature, wherein said means for strengthening protects integrity of said means for forming an incision, and the means for forming an incision is sandwiched between the first and the second web.
20. The apparatus of claim 19, further comprising:
means for analyzing a body fluid from the incision.
21. The apparatus of claim 19, wherein:
said means for forming the incision includes a lancet;
said means for encapsulating includes a first web of a multi-layered material and a second web of the multi-layered material, wherein the multi-layered material has a heat-resistant first layer and a heat-sensitive second layer; and said means for strengthening includes the first layer that is rigid.
CA2596652A 2005-02-07 2006-02-07 Lancet protective cap Expired - Fee Related CA2596652C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/052,610 2005-02-07
US11/052,610 US7479118B2 (en) 2005-02-07 2005-02-07 Lancet protective cap
PCT/EP2006/001036 WO2006082106A1 (en) 2005-02-07 2006-02-07 Lancet protective cap

Publications (2)

Publication Number Publication Date
CA2596652A1 true CA2596652A1 (en) 2006-08-10
CA2596652C CA2596652C (en) 2012-05-22

Family

ID=36498991

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2596652A Expired - Fee Related CA2596652C (en) 2005-02-07 2006-02-07 Lancet protective cap

Country Status (7)

Country Link
US (3) US7479118B2 (en)
EP (1) EP1848339B1 (en)
JP (1) JP4861337B2 (en)
CN (1) CN101115441B (en)
CA (1) CA2596652C (en)
HK (1) HK1117016A1 (en)
WO (1) WO2006082106A1 (en)

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Also Published As

Publication number Publication date
CA2596652C (en) 2012-05-22
EP1848339A1 (en) 2007-10-31
WO2006082106B1 (en) 2006-11-16
CN101115441A (en) 2008-01-30
CN101115441B (en) 2010-06-16
WO2006082106A1 (en) 2006-08-10
US20060174592A1 (en) 2006-08-10
EP1848339B1 (en) 2012-07-11
US7479118B2 (en) 2009-01-20
US20090124933A1 (en) 2009-05-14
JP2008529571A (en) 2008-08-07
JP4861337B2 (en) 2012-01-25
US8062233B2 (en) 2011-11-22
HK1117016A1 (en) 2009-01-09
US20110270130A1 (en) 2011-11-03
US8608668B2 (en) 2013-12-17

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Effective date: 20140207