Method of spotting sample liquid on dry chemical analysis film

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5639665
SERIAL NO

08568475

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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When spotting a sample liquid onto a plurality of frameless chemical analysis films, a predetermined amount of the sample liquid is sucked into a spotting tip, the lower end of the spotting tip is brought into contact with the surface of each chemical analysis film and the pressure in the spotting tip is increased to discharge the sample liquid therein onto the surface of the chemical analysis film while lifting the spotting tip away from the surface of the film. When a first chemical analysis film includes a component which can deteriorate the accuracy of measurement of the analyte for the second frameless chemical analysis film, the sample liquid is spotted, before the second chemical analysis film after the first chemical analysis film, on a third frameless chemical analysis film which does not include a component which can deteriorate the accuracy of measurement of the analyte of the second chemical analysis film and the analyte of which is not such that the accuracy of its measurement is substantially affected by a component of the first chemical analysis film which can be transferred to the third chemical analysis film.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FUJI PHOTO FILM CO., LTD.KANAGAWA4892

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arai, Takaki Saitama-ken, JP 17 177
Seshimoto, Osamu Saitama-ken, JP 91 646

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 5334353 Micropipette device 49 1993
 
FUJI PHOTO FILM CO., LTD. (2)
* 5081038 Analytical method and apparatus using chemical analytical slides 51 1990
* 5204268 Method and apparatus for applying liquid samples 53 1992
 
CLINICAL DIAGNOSTIC SYSTEMS INC. (4)
* 4340390 Method and apparatus for metering biological fluids 64 1981
* 4452899 Method for metering biological fluids 47 1982
* 5143849 Tip to surface spacing for optimum dispensing controlled by a detected pressure change in the tip 34 1991
* 5133392 Liquid injection using container bottom sensing 16 1991
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 2006/0093,520 Automated molecular pathology apparatus having fixed slide platforms 1 2005
 
Drummond Scientific Company (1)
7396512 Automatic precision non-contact open-loop fluid dispensing 11 2003
 
FUJI PHOTO FILM CO., LTD. (1)
* 7182911 Chemical analysis system 1 1999
 
APPLIED BIOSYSTEMS, LLC (4)
* 6245297 Apparatus and method for transferring small volumes of substances 35 1999
6355487 Apparatus and method for transferring small volumes of substances 22 2001
6916447 Apparatus and method for transferring small volumes of substances 4 2001
* 2002/0041,829 Apparatus and method for transferring small volumes of substances 10 2001
 
KNOBBE MARTENS OLSON & BEAR LLP (2)
6551557 Tip design and random access array for microfluidic transfer 46 1999
6589791 State-variable control system 45 2000
 
INFINEON TECHNOLOGIES AG (1)
* 7470546 Method and arrangement for taking up a first medium, which is present in a first phase, into a capillary device 4 2001
 
BioDot, Inc. (1)
7736591 Method and apparatus for liquid dispensing 1 2003
 
VENTANA MEDICAL SYSTEMS, INC. (10)
* 6537818 System and method of aspirating and dispensing reagent 34 2001
7270785 Automated molecular pathology apparatus having fixed slide platforms 33 2002
7303725 Automated high volume slide staining system 55 2003
7378055 Automated molecular pathology apparatus having fixed slide platforms 50 2003
* 2003/0203,493 Automated molecular pathology apparatus having fixed slide platforms 30 2003
7468161 Automated high volume slide processing system 35 2005
8663991 Automated high volume slide processing system 1 2005
7404927 Automated molecular pathology apparatus having fixed slide platforms 31 2005
8048373 Automated high volume slide staining system 4 2007
9528918 Automated high volume slide processing system 0 2013
* Cited By Examiner