CA2093081A1 - Lancet Actuator - Google Patents

Lancet Actuator

Info

Publication number
CA2093081A1
CA2093081A1 CA2093081A CA2093081A CA2093081A1 CA 2093081 A1 CA2093081 A1 CA 2093081A1 CA 2093081 A CA2093081 A CA 2093081A CA 2093081 A CA2093081 A CA 2093081A CA 2093081 A1 CA2093081 A1 CA 2093081A1
Authority
CA
Canada
Prior art keywords
advancement
cam
carriage
propulsion
during
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
CA2093081A
Other languages
French (fr)
Other versions
CA2093081C (en
Inventor
Richard Rabenau
Rowland William Kanner
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.)
Roche Diagnostics Corp
Ryder International Corp
Original Assignee
Ryder International Corp
Boehringer Mannheim Corp
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 Ryder International Corp, Boehringer Mannheim Corp filed Critical Ryder International Corp
Publication of CA2093081A1 publication Critical patent/CA2093081A1/en
Application granted granted Critical
Publication of CA2093081C publication Critical patent/CA2093081C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15186—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
    • 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
    • A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
    • 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
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15103—Piercing procedure
    • A61B5/15107—Piercing being assisted by a triggering mechanism
    • A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
    • 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
    • A61B5/15101—Details
    • A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
    • A61B5/15117—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
    • 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
    • A61B5/15101—Details
    • A61B5/15126—Means for controlling the lancing movement, e.g. 2D- or 3D-shaped elements, tooth-shaped elements or sliding guides
    • A61B5/1513—Means for controlling the lancing movement, e.g. 2D- or 3D-shaped elements, tooth-shaped elements or sliding guides comprising linear sliding guides
    • 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
    • A61B5/15186—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
    • A61B5/15188—Constructional features of reusable driving devices
    • A61B5/15192—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing
    • A61B5/15194—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing 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

An actuating mechanism (10,110) for sequentially advancing and retracting a lancet needle (11,111) includes a carriage (12,112) for carrying the advancement and retraction of the needle, and a cam-following structure (14,114) for transmitting propulsion to the carriage during the advancement.
The actuating mechanism is also provided with a drive cam structure (16,116) which engages the cam-following structure (14,114) to direct the advancement propulsion.
The cam-following structure (14,114) can have a separate surface (20,120: 18,118) engagable with the drive cam structure during the retraction of the carriage (12,112) and during arming of the actuator for the advancement propulsion.
CA002093081A 1992-05-05 1993-03-31 Lancet actuator Expired - Lifetime CA2093081C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/878,736 US5318583A (en) 1992-05-05 1992-05-05 Lancet actuator mechanism
US07/878,736 1992-05-05

Publications (2)

Publication Number Publication Date
CA2093081A1 true CA2093081A1 (en) 1993-11-06
CA2093081C CA2093081C (en) 1997-12-23

Family

ID=25372724

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002093081A Expired - Lifetime CA2093081C (en) 1992-05-05 1993-03-31 Lancet actuator

Country Status (7)

Country Link
US (1) US5318583A (en)
EP (1) EP0569124B1 (en)
JP (1) JP2688800B2 (en)
AU (1) AU655391B2 (en)
CA (1) CA2093081C (en)
DE (1) DE69328752T2 (en)
ES (1) ES2145761T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014083783A1 (en) * 2012-11-30 2014-06-05 パナソニックヘルスケア株式会社 Puncture instrument, puncture needle cartridge mounted in puncture instrument, and method for using puncture instrument and puncture needle cartridge

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ES2145761T3 (en) 2000-07-16
JPH067329A (en) 1994-01-18
AU3541293A (en) 1993-11-11
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DE69328752T2 (en) 2001-03-22
AU655391B2 (en) 1994-12-15
DE69328752D1 (en) 2000-07-06
EP0569124A1 (en) 1993-11-10
JP2688800B2 (en) 1997-12-10
US5318583A (en) 1994-06-07

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