WO2001065214A3 - Fluid dispense and liquid surface verification system and method - Google Patents

Fluid dispense and liquid surface verification system and method Download PDF

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Publication number
WO2001065214A3
WO2001065214A3 PCT/US2001/006339 US0106339W WO0165214A3 WO 2001065214 A3 WO2001065214 A3 WO 2001065214A3 US 0106339 W US0106339 W US 0106339W WO 0165214 A3 WO0165214 A3 WO 0165214A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
probe
electrode
fluid flow
conduit
Prior art date
Application number
PCT/US2001/006339
Other languages
French (fr)
Other versions
WO2001065214A2 (en
Inventor
James Lipscomb
Larry Jurik
Bernard Katz
Michael Keating
Stone Klengler
John Kotlarik
Mike Wroblewski
Original Assignee
Gen Probe 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 Gen Probe Inc filed Critical Gen Probe Inc
Priority to EP01918269.0A priority Critical patent/EP1261876B1/en
Priority to AU4536501A priority patent/AU4536501A/en
Priority to AU2001245365A priority patent/AU2001245365B8/en
Priority to JP2001563866A priority patent/JP4717312B2/en
Priority to CA 2399181 priority patent/CA2399181C/en
Publication of WO2001065214A2 publication Critical patent/WO2001065214A2/en
Publication of WO2001065214A3 publication Critical patent/WO2001065214A3/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G01N35/1016—Control of the volume dispensed or introduced
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G01N2035/1025—Fluid level sensing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8326—Fluid pressure responsive indicator, recorder or alarm

Abstract

A sensor for detecting contact of a fluid delivery probe with a fluid surface and for detecting fluid flow through the probe includes a first electrode disposed along a fluid flow path of the probe upstream from a distal tip of the probe and a second electrode longitudinally spaced and electrically isolated from the first electrode and disposed at the distal tip of the probe. An oscillating signal is transmitted through the first electrode, and at least a portion of the signal is received through the second electrode. Through changes in the received signal due to the distal tip of the probe coming into contact with a fluid surface or due to fluid flow through the conduit between the first and second electrodes, fluid surface contact and fluid flow can be detected. A pressure sensor can be employed to monitor internal fluid pressure within the fluid conduit of the fluid delivery probe as a secondary, redundant means for detecting fluid flow through the conduit.
PCT/US2001/006339 2000-02-29 2001-02-28 Fluid dispense and liquid surface verification system and method WO2001065214A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP01918269.0A EP1261876B1 (en) 2000-02-29 2001-02-28 Fluid dispense and liquid surface verification system
AU4536501A AU4536501A (en) 2000-02-29 2001-02-28 Fluid dispense and fluid surface verification system and method
AU2001245365A AU2001245365B8 (en) 2000-02-29 2001-02-28 Fluid dispense and liquid surface verification system and method
JP2001563866A JP4717312B2 (en) 2000-02-29 2001-02-28 Fluid transfer probe
CA 2399181 CA2399181C (en) 2000-02-29 2001-02-28 Fluid dispense and liquid surface verification system and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18574100P 2000-02-29 2000-02-29
US60/185,741 2000-02-29

Publications (2)

Publication Number Publication Date
WO2001065214A2 WO2001065214A2 (en) 2001-09-07
WO2001065214A3 true WO2001065214A3 (en) 2002-06-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/006339 WO2001065214A2 (en) 2000-02-29 2001-02-28 Fluid dispense and liquid surface verification system and method

Country Status (6)

Country Link
US (5) US6604054B2 (en)
EP (2) EP2230521A3 (en)
JP (2) JP4717312B2 (en)
AU (2) AU2001245365B8 (en)
CA (3) CA2399181C (en)
WO (1) WO2001065214A2 (en)

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