Global Patent Index - EP 1098709 A1

EP 1098709 A1 2001-05-16 - APPARATUS FOR, AND METHOD OF, VARYING THE RATE OF FLOW OF FLUID ALONG A PATHWAY

Title (en)

APPARATUS FOR, AND METHOD OF, VARYING THE RATE OF FLOW OF FLUID ALONG A PATHWAY

Title (de)

APPARAT UND VERFAHREN ZUR VARIATION DES DURCHFLUSSES IN EINEM KANAL

Title (fr)

APPAREIL ET PROCEDE PERMETTANT DE FAIRE VARIER LE DEBIT D'UN FLUIDE LE LONG D'UN TRAJET

Publication

EP 1098709 A1 (EN)

Application

EP 99937891 A

Priority

  • GB 9900623 W
  • GB 9804483 A

Abstract (en)

[origin: WO9944740A1] An apparatus for varying the rate of flow of a fluid in a pathway by the use of deformable valves and clamps which change their size, position, state or function on application of heat and/or pressure is described. A disposable chemical assay device (10), and a method of using the device incorporating the apparatus are also described. The assay device (10) includes an inlet port (12), a reaction chamber (14), a waste depot (16), a filter chamber (18), a processing chamber (20), wash solution/reagent reservoirs (22 and 24), an array of metered readout cells (26, 28, 30, and 32), and breather tubes (11 and 13). The invention, in a preferred embodiment, offers an advantage over existing assay devices because the condition or state of the deformable valves and clamps may be changed. Therefore more complex operations and procedures may be performed by the assay device (10) than has been previously achievable.

IPC 1-7 (main, further and additional classification)

B01L 3/00

IPC 8 full level (invention and additional information)

G01N 31/20 (2006.01); B01L 3/00 (2006.01); G01N 33/53 (2006.01); G01N 37/00 (2006.01); G05D 7/01 (2006.01)

CPC (invention and additional information)

B01L 3/502738 (2013.01); B01L 3/50273 (2013.01); B01L 3/502746 (2013.01); B01L 2200/10 (2013.01); B01L 2300/0816 (2013.01); B01L 2300/087 (2013.01); B01L 2400/0406 (2013.01); B01L 2400/0487 (2013.01); B01L 2400/0655 (2013.01); B01L 2400/0677 (2013.01); B01L 2400/082 (2013.01)

Citation (search report)

See references of WO 9944740A1

Designated contracting state (EPC)

CH DE FR GB LI NL SE

EPO simple patent family

WO 9944740 A1 19990910; AU 3263199 A 19990920; AU 756710 B2 20030123; EP 1098709 A1 20010516; GB 9804483 D0 19980429; IL 137890 D0 20011031; JP 2002505439 A 20020219

INPADOC legal status


2005-04-13 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20041001

2003-02-26 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030114

2001-05-16 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000929

2001-05-16 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): CH DE FR GB LI NL SE