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WO2001022059A3 - Device and method for separation and analysis of small particles - Google Patents

Device and method for separation and analysis of small particles Download PDF

Info

Publication number
WO2001022059A3
WO2001022059A3 PCT/GB2000/003559 GB0003559W WO0122059A3 WO 2001022059 A3 WO2001022059 A3 WO 2001022059A3 GB 0003559 W GB0003559 W GB 0003559W WO 0122059 A3 WO0122059 A3 WO 0122059A3
Authority
WO
WIPO (PCT)
Prior art keywords
separation
analysis
small particles
particles
separating
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.)
Ceased
Application number
PCT/GB2000/003559
Other languages
French (fr)
Other versions
WO2001022059A2 (en
Inventor
John Ernest Foster Holley
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.)
Individual
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
Priority claimed from GBGB9922075.8A external-priority patent/GB9922075D0/en
Priority claimed from GBGB9922076.6A external-priority patent/GB9922076D0/en
Application filed by Individual filed Critical Individual
Priority to EP00962679A priority Critical patent/EP1238259A2/en
Priority to CA002384897A priority patent/CA2384897A1/en
Priority to AU74327/00A priority patent/AU7432700A/en
Publication of WO2001022059A2 publication Critical patent/WO2001022059A2/en
Publication of WO2001022059A3 publication Critical patent/WO2001022059A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/13—Details pertaining to apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Abstract

A device for separating particles in liquid suspension comprises a circular orifice (3) with an insert (2) so as form an annular gap (a), it is particularly useful in separating agglutinated particles and the device can also be used to count particles.
PCT/GB2000/003559 1999-09-18 2000-09-18 Device and method for separation and analysis of small particles Ceased WO2001022059A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP00962679A EP1238259A2 (en) 1999-09-18 2000-09-18 Device and method for separation and analysis of small particles
CA002384897A CA2384897A1 (en) 1999-09-18 2000-09-18 Separation method
AU74327/00A AU7432700A (en) 1999-09-18 2000-09-18 Separation method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9922075.8 1999-09-18
GB9922076.6 1999-09-18
GBGB9922075.8A GB9922075D0 (en) 1999-09-18 1999-09-18 Separation method
GBGB9922076.6A GB9922076D0 (en) 1999-09-18 1999-09-18 Particle selection means

Publications (2)

Publication Number Publication Date
WO2001022059A2 WO2001022059A2 (en) 2001-03-29
WO2001022059A3 true WO2001022059A3 (en) 2001-10-18

Family

ID=26315937

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/003559 Ceased WO2001022059A2 (en) 1999-09-18 2000-09-18 Device and method for separation and analysis of small particles

Country Status (4)

Country Link
EP (1) EP1238259A2 (en)
AU (1) AU7432700A (en)
CA (1) CA2384897A1 (en)
WO (1) WO2001022059A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9358318B2 (en) 2004-10-20 2016-06-07 Ethicon, Inc. Method of making a reinforced absorbable multilayered hemostatic wound dressing

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7279177B2 (en) 2002-06-28 2007-10-09 Ethicon, Inc. Hemostatic wound dressings and methods of making same
US7019191B2 (en) 2003-03-25 2006-03-28 Ethicon, Inc. Hemostatic wound dressings and methods of making same
US20040265371A1 (en) 2003-06-25 2004-12-30 Looney Dwayne Lee Hemostatic devices and methods of making same
BRPI0516761B8 (en) 2004-10-20 2021-05-25 Ethicon Inc reinforced absorbable multi-layer hemostatic dressing and method for producing the same
ES2562727T3 (en) 2004-10-20 2016-03-07 Ethicon, Inc. Absorbable reinforced multilayer fabric for use in medical devices and manufacturing method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242971A2 (en) * 1986-03-14 1987-10-28 Micro-Med Ltd Element for use in a particle counter
EP0262568A2 (en) * 1986-09-30 1988-04-06 J.M. Voith GmbH Cyclone
US4895034A (en) * 1987-07-28 1990-01-23 Amherst Process Instruments, Inc. Powder disperser for aerodynamic particle sizing system
WO1996029135A1 (en) * 1995-03-22 1996-09-26 Ultrasep (Proprietary) Limited Liquid/solids separator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242971A2 (en) * 1986-03-14 1987-10-28 Micro-Med Ltd Element for use in a particle counter
EP0262568A2 (en) * 1986-09-30 1988-04-06 J.M. Voith GmbH Cyclone
US4895034A (en) * 1987-07-28 1990-01-23 Amherst Process Instruments, Inc. Powder disperser for aerodynamic particle sizing system
WO1996029135A1 (en) * 1995-03-22 1996-09-26 Ultrasep (Proprietary) Limited Liquid/solids separator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9358318B2 (en) 2004-10-20 2016-06-07 Ethicon, Inc. Method of making a reinforced absorbable multilayered hemostatic wound dressing

Also Published As

Publication number Publication date
EP1238259A2 (en) 2002-09-11
CA2384897A1 (en) 2001-03-29
AU7432700A (en) 2001-04-24
WO2001022059A2 (en) 2001-03-29

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