IP Library › Granted Patent US 12,622,990
Granted Patent B2
US 12,622,990 · App. 17/359,302 · Granted May 12, 2026

Sterilization of testing equipment

Inventors: Clas Sivertsen (Lilburn, GA); Tom Sivertsen (Kristiansund, NO); Roy Larsen (Kristiansund, NO); Sturla Sivertsen (Kristiansund, NO)
Assignee: Assaya LLC
A61L2/24A61L2/10A61L2/26A61L2202/11A61L2202/14G06K7/1417
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Quick Facts
Patent No.
US 12,622,990
App. No.
17/359,302
Granted
May 12, 2026
Kind
B2
Abstract

A system including a processor and memory coupled to the processor. The system also includes a lateral flow assay (“LFA”) strip reader coupled to the processor for transmitting an LFA strip image to the processor. The processor initiates a sterilization process when the LFA strip image includes a visual feature indicating a sterilization trigger.

Claims (40)

1 . A testing system, comprising:

a processor;

memory coupled to the processor;

a lateral flow assay (“LFA”) strip reader coupled to the processor for reading an LFA strip in a cassette;

an LFA strip image created by the LFA strip reader, where the LFA strip image further comprises an image of at least part of the cassette;

the processor further configured to initiate a sterilization process of an interior of the testing system when the LFA strip image includes a visual feature located on the cassette, an existence of the visual feature located on the cassette indicating that the sterilization process should be triggered, and the visual feature not comprising an identification of the LFA strip, and the visual feature comprising a code indicating a sterilization trigger, wherein the code indicating the sterilization trigger comprises one of a QR code, a data matrix, or a bar code.

2 . The system of claim 1 , wherein the LFA strip reader is an imaging device.

3 . The system of claim 2 , wherein the sterilization process is halted when the imaging device detects movement.

4 . The system of claim 1 , wherein a message is transmitted by a communications interface in communication with the processor to a central database when the sterilization process is halted.

5 . The system of claim 1 , wherein the LFA strip reader comprises a plurality of LED lights activated based on a test configuration profile and a camera for reading the LFA strip and generating the LFA strip image.

6 . The system of claim 5 wherein the plurality of LED lights includes visible lights and ultraviolet UVC lights, and wherein the sterilization trigger causes the processor to turn on the UVC lights.

7 . The system of claim 6 , further comprising an ultraviolet filter placed in front of an image sensor in the LFA strip reader to protect the image sensor from UVC lights during the sterilization.

8 . The system of claim 7 , wherein a length of time that the UVC lights are turned on is based on information in the visual feature.

9 . The system of claim 1 , wherein the visual feature comprises text on the cassette and a color on the cassette.

10 . A method, comprising:

reading a lateral flow assay (“LFA”) strip in a cassette, using an imaging device, to generate an LFA strip image, where the LFA strip image further comprises an image of at least part of the cassette and wherein the LFA strip image comprises a visual feature;

providing the LFA strip image to a processor;

activating, using the processor, a sterilization process when the LFA strip image contains a visual feature comprising a code to trigger the sterilization process and the visual feature not comprising an identification of the LFA strip, the sterilization process to sterilize an interior of a testing machine.

11 . The method of claim 10 , wherein the activating the sterilization process using the processor comprises activating a UVC light.

12 . The method of claim 11 , the UVC light is activated for a predetermined period of time.

13 . The method of claim 12 , wherein the predetermined period of time is based on data within the visual feature.

14 . The method of claim 10 , wherein the sterilization process is halted when movement is detected in the LFA strip image.

15 . The method of claim 10 , further comprising transmitting an alert to a central database when the sterilization process is halted.

16 . The method of claim 10 , further comprising logging a successful completion of the sterilization process in a central database.

17 . The method of claim 10 , further comprising interrupting the sterilization process upon the processor receiving a request to interrupt the sterilization process.

18 . A system, comprising:

a carrier to receive a lateral flow assay (“LFA”) for processing;

an LFA strip reader for obtaining an LFA strip image in the carrier;

a processor to analyze the LFA strip image, and identify a visual feature comprising one of: a shape of a cassette containing an LFA strip, text on the cassette, a barcode on the cassette, a color on the cassette, a bar code on a surface of a receptacle into which the cassette is inserted that is covered up by the cassette, the visual feature indicating a sterilization trigger, and wherein the visual feature does not indicate an identification of the LFA strip; and

the processor to initiate a sterilization process of the carrier in response to identifying the visual feature.

19 . The system of claim 18 , wherein the LFA strip reader comprises a plurality of light emitting diode (LED) lights and a camera.

20 . The system of claim 19 , wherein the sterilization process uses an ultraviolet C (UVC) light to sterilize the carrier.

21 . The system of claim 19 , further comprising:

an ultraviolet filter in front of the camera, to protect the camera from ultraviolet light.

22 . The system of claim 18 , further comprising:

a communication interface to transmit a result of the sterilization process to a server.

23 . The system of claim 1 , wherein the visual feature further specifies a predetermined period of time to sterilize the interior of the testing system.

24 . The method of claim 10 , wherein the visual feature further specifies a predetermined period of time to sterilize the interior of the testing machine.

25 . The system of claim 18 , wherein the visual feature further specifies a predetermined period of time to sterilize the carrier.

26 . The system of claim 1 , wherein the cassette comprises a clear assay.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2021
From: SIVERTSEN, CLAS; SIVERTSEN, TOM; LARSEN, ROY; SIVERTSEN, STURLA
To: ASSAYA LLC
Reel/Frame 056841/0037 →
Continuity (1)
Related Publication 20240424160A1 · Dec 26, 2024
References Cited (181)
US 5075078A · Osikowicz et al. · 1991 [cited by applicant]
US 5308775A · Donovan et al. · 1994 [cited by applicant]
US 5717778A · Chu et al. · 1998 [cited by applicant]
US 5875258A · Ortyn et al. · 1999 [cited by applicant]
US 5968839A · Blatt et al. · 1999 [cited by applicant]
US 6061128A · Zweig et al. · 2000 [cited by applicant]
US 6267722B1 · Anderson et al. · 2001 [cited by applicant]
US 6394952B1 · Anderson et al. · 2002 [cited by applicant]
US 6664071B1 · Windhab et al. · 2003 [cited by applicant]
US 7177235B2 · Rund · 2007 [cited by applicant]
US 7236428B1 · Morse · 2007 [cited by applicant]
US 7267799B1 · Borich et al. · 2007 [cited by applicant]
US 9702872B1 · Wang et al. · 2017 [cited by applicant]
US 9857372B1 · Pulitzer et al. · 2018 [cited by applicant]
US 9857373B1 · Pulitzer et al. · 2018 [cited by applicant]
US 10197558B1 · Saaski et al. · 2019 [cited by applicant]
US 10823746B1 · Busa et al. · 2020 [cited by applicant]
US 11740203B2 · Galen · 2023 [cited by examiner]
US 11802868B2 · Pulitzer et al. · 2023 [cited by applicant]
US 12094603B2 · Sivertsen · 2024 [cited by applicant]
US 12311065B1 · Miller · 2025 [cited by examiner]
US 20010053336A1 · Hammer et al. · 2001 [cited by applicant]
US 20030021726A1 · Wu et al. · 2003 [cited by applicant]
US 20030040128A1 · Meador et al. · 2003 [cited by applicant]
US 20030120633A1 · Torre-Bueno · 2003 [cited by applicant]
US 20030139903A1 · Zweig et al. · 2003 [cited by applicant]
US 20030143530A1 · Klepp et al. · 2003 [cited by applicant]
US 20040122790A1 · Walker et al. · 2004 [cited by applicant]
US 20050008538A1 · Anderson et al. · 2005 [cited by applicant]
US 20050203353A1 · Ma et al. · 2005 [cited by applicant]
US 20050255001A1 · Padmanabhan et al. · 2005 [cited by applicant]
US 20050255600A1 · Padmanabhan et al. · 2005 [cited by applicant]
US 20060216832A1 · Nishikawa et al. · 2006 [cited by applicant]
US 20060223192A1 · Smith et al. · 2006 [cited by applicant]
US 20060246599A1 · Rosenstein et al. · 2006 [cited by applicant]
US 20060274145A1 · Reiner · 2006 [cited by applicant]
US 20060292040A1 · Wickstead et al. · 2006 [cited by applicant]
US 20070122914A1 · Curry · 2007 [cited by applicant]
US 20070143035A1 · Petruno · 2007 [cited by applicant]
US 20080186499A1 · Krauth · 2008 [cited by applicant]
US 20090061450A1 · Hunter · 2009 [cited by applicant]
US 20090074282A1 · Pinard et al. · 2009 [cited by applicant]
US 20090087926A1 · Hasegawa et al. · 2009 [cited by applicant]
US 20090155811A1 · Natan et al. · 2009 [cited by applicant]
US 20090312663A1 · John et al. · 2009 [cited by applicant]
US 20100045789A1 · Fleming et al. · 2010 [cited by applicant]
US 20100099115A1 · Mach et al. · 2010 [cited by applicant]
US 20100105024A1 · Xu et al. · 2010 [cited by applicant]
US 20100135857A1 · Hunter et al. · 2010 [cited by applicant]
US 20100267049A1 · Rutter et al. · 2010 [cited by applicant]
US 20100331651A1 · Groll · 2010 [cited by applicant]
US 20110213564A1 · Henke · 2011 [cited by applicant]
US 20110213579A1 · Henke · 2011 [cited by applicant]
US 20120071342A1 · Lochhead et al. · 2012 [cited by applicant]
US 20120115214A1 · Battrell et al. · 2012 [cited by applicant]
US 20120122236A1 · Tarpey · 2012 [cited by applicant]
US 20120123686A1 · Xiang et al. · 2012 [cited by applicant]
US 20120281970A1 · Garibaldi et al. · 2012 [cited by applicant]
US 20120282154A1 · Slowey et al. · 2012 [cited by applicant]
US 20130203043A1 · Ozcan et al. · 2013 [cited by applicant]
US 20130273645A1 · Waga · 2013 [cited by applicant]
US 20130288254A1 · Pollack et al. · 2013 [cited by applicant]
US 20130338243A1 · Kentsis et al. · 2013 [cited by applicant]
US 20140017812A1 · Smith et al. · 2014 [cited by applicant]
US 20140018779A1 · Worrell et al. · 2014 [cited by applicant]
US 20140154792A1 · Moynihan et al. · 2014 [cited by applicant]
US 20140227681A1 · Fleming et al. · 2014 [cited by applicant]
US 20140278832A1 · Glavina et al. · 2014 [cited by applicant]
US 20140324373A1 · Xiang et al. · 2014 [cited by applicant]
US 20140339100A1 · Malecha · 2014 [cited by applicant]
US 20150010992A1 · Fleming et al. · 2015 [cited by applicant]
US 20150099306A1 · Ku · 2015 [cited by applicant]
US 20150244852A1 · Erickson et al. · 2015 [cited by applicant]
US 20150338387A1 · Ehrenkranz · 2015 [cited by applicant]
US 20150350605A1 · Price et al. · 2015 [cited by applicant]
US 20160030613A1 · Paul et al. · 2016 [cited by applicant]
US 20160085913A1 · Evans et al. · 2016 [cited by applicant]
US 20160131645A1 · Wang · 2016 [cited by applicant]
US 20160157598A1 · Anelevitz · 2016 [cited by applicant]
US 20160178607A1 · Husheer et al. · 2016 [cited by applicant]
US 20160188937A1 · Tyrrell et al. · 2016 [cited by applicant]
US 20160265032A1 · Sethi et al. · 2016 [cited by applicant]
US 20160356800A1 · Glavina et al. · 2016 [cited by applicant]
US 20160356801A1 · Glavina et al. · 2016 [cited by applicant]
US 20160370366A1 · Fleming et al. · 2016 [cited by applicant]
US 20170049915A1 · Brais · 2017 [cited by examiner]
US 20170160258A1 · Hengstler et al. · 2017 [cited by applicant]
US 20170184586A1 · Hopper · 2017 [cited by applicant]
US 20180031551A1 · Karlovac et al. · 2018 [cited by applicant]
US 20180071741A1 · Kelly et al. · 2018 [cited by applicant]
US 20180106789A1 · Pulitzer et al. · 2018 [cited by applicant]
US 20180107790A1 · Pulitzer et al. · 2018 [cited by applicant]
US 20180149600A1 · Farrell · 2018 [cited by applicant]
US 20180164222A1 · Pulitzer et al. · 2018 [cited by applicant]
US 20180246038A1 · Hunter · 2018 [cited by applicant]
US 20180259449A1 · Poulsen et al. · 2018 [cited by applicant]
US 20180293350A1 · Dimov et al. · 2018 [cited by applicant]
US 20180348198A1 · Broadwell · 2018 [cited by applicant]
US 20180372734A1 · Pfenninger et al. · 2018 [cited by applicant]
US 20190070324A1 · Hardin · 2019 [cited by examiner]
US 20190096516A1 · Pulitzer et al. · 2019 [cited by applicant]
US 20190122768A1 · Pulitzer et al. · 2019 [cited by applicant]
US 20190224685A1 · Benenati · 2019 [cited by applicant]
US 20190229907A1 · Nicolson et al. · 2019 [cited by applicant]
US 20190267822A1 · Voit et al. · 2019 [cited by applicant]
US 20190317115A1 · Maclean et al. · 2019 [cited by applicant]
US 20190339264A1 · Gary et al. · 2019 [cited by applicant]
US 20190369094A1 · Ishikawa et al. · 2019 [cited by applicant]
US 20200330979A1 · Cyr et al. · 2020 [cited by applicant]
US 20200386753A1 · Somes et al. · 2020 [cited by applicant]
US 20200408715A1 · Galen et al. · 2020 [cited by applicant]
US 20210086177A1 · Lin · 2021 [cited by applicant]
US 20210132035A1 · Adelman · 2021 [cited by applicant]
US 20210172945A1 · Armbruster et al. · 2021 [cited by applicant]
US 20210263018A1 · Taran · 2021 [cited by applicant]
US 20210293688A1 · Chang et al. · 2021 [cited by applicant]
US 20210319911A1 · Hall et al. · 2021 [cited by applicant]
US 20210327056A1 · Needham et al. · 2021 [cited by applicant]
US 20210389233A1 · Hatamian · 2021 [cited by applicant]
US 20220055036A1 · Tycon · 2022 [cited by applicant]
US 20220091114A1 · Levin et al. · 2022 [cited by applicant]
US 20220178920A1 · Howard · 2022 [cited by applicant]
US 20220254027A1 · Lin et al. · 2022 [cited by applicant]
US 20220254133A1 · Adsul et al. · 2022 [cited by applicant]
US 20220258155A1 · Ren et al. · 2022 [cited by applicant]
US 20220296755A1 · Wurmfeld · 2022 [cited by examiner]
US 20220304560A1 · Jackson et al. · 2022 [cited by applicant]
US 20220399109A1 · Sivertsen · 2022 [cited by applicant]
US 20220404354A1 · Robinson · 2022 [cited by examiner]
US 20220405551A1 · Jain et al. · 2022 [cited by applicant]
US 20220412961A1 · Jolly et al. · 2022 [cited by applicant]
US 20230213452A1 · Minobe et al. · 2023 [cited by applicant]
US 20230274538A1 · Sia et al. · 2023 [cited by applicant]
US 20230351754A1 · Satish et al. · 2023 [cited by applicant]
US 20240363206A1 · Mayer · 2024 [cited by applicant]
US 20240387010A1 · Sivertsen et al. · 2024 [cited by applicant]
US 20240402198A1 · Sivertsen · 2024 [cited by applicant]
US 20240404658A1 · Sivertsen et al. · 2024 [cited by applicant]
US 20240412829A1 · Sivertsen et al. · 2024 [cited by applicant]
US 20240424160A1 · Sivertsen et al. · 2024 [cited by applicant]
US 20240428905A1 · Sivertsen · 2024 [cited by applicant]
CN 102482702A · 2012 [cited by applicant]
CN 102539735A · 2012 [cited by applicant]
CN 106680496A · 2017 [cited by applicant]
CN 211086092U · 2020 [cited by examiner]
EP 0480208A2 · 1992 [cited by applicant]
EP 2839264A1 · 2015 [cited by applicant]
TW 201833554A · 2018 [cited by applicant]
TW M588797U · 2020 [cited by applicant]
WO 2013119266A1 · 2013 [cited by applicant]
WO 2013158504A1 · 2013 [cited by applicant]
WO 2020174895A1 · 2020 [cited by applicant]
WO 2020251460A1 · 2020 [cited by applicant]
Anfossi et al., Multiplex Lateral Flow Immunoassay: An Overview of Strategies towards High-throughput Point-of-Need Testing, Biosensors (Basel). Mar. 2019; 9(1): 2. (Year: 2018). [cited by applicant]
AssayGenie, Rapid covid19 antibody detection test principles and methods, published: 2020, https://www.assaygenie.com/rapid-covid 19-antibody-detection-tests-principles-and-methods (Year: 2020). [cited by applicant]
Azzi et al, Rapid Salivary Test suitable for a mass screening program to detect SARS-CoV-2: A diagnostic accuracy study, Journal of Infection, vol. 81, Issue 3, Sep. 2020, pp. e75-e78 (Year: 2020). [cited by applicant]
Badi et al., The Effect of Gold Salt Concentration in the Production of Gold Nanospheres, Jan. 2020, Journal of Applied Mathematics and Physics (Year: 2020). [cited by applicant]
Baker et al., The SARS-COV-2 Spike Protein Binds Sialic Acids and Enables Rapid Detection in a Lateral Flow Point of Care Diagnostic Device, 2020, vol. 6, 2046-2052 (Year: 2020). [cited by applicant]
Contreras-Aguilar, Changes in Saliva Analytes in Dairy Cows during Peripartum: A Pilot Study, Mar. 9, 2021, Animals, vol. 11, issues 3 (Year: 2021). [cited by applicant]
Independent Forensics, Developmental Validation of RSID-Urine, Mar. 2021, Independent Forensics, https://www.ifi-test.com/rsid-urine/ (Year: 2021). [cited by applicant]
Larsen et al., Fluorometric determination of uric acid in bovine milk, 2010, Journal of Dairy Research, vol. 77, 438-444 (Year: 2010). [cited by applicant]
Old et al., Developmental Validation of RSIDTM-Saliva: A Lateral Flow Immunochromatographic Strip Test for the Forensic Detection of Saliva, J Forensic Sci, Jul. 2009, vol. 54, No. 4 (Year: 2009). [cited by applicant]
Richardson et al., Amylase in Cow's Milk, 1936, Journal of Dairy Science, vol. 19, Issue 12, 761-772 (Year: 1936). [cited by applicant]
StatTechnologies, Adulteration Test Strips, 2017, StatTechnologies, https://stat-technologies.com/product/adulteration-test-strips/ (Year: 2017). [cited by applicant]
Stuart Patton, Some Practical Implications of the Milk Mucins, 1999, Journal of Dairy Science, vol. 82, Issue 6, 1115-1117 (Year:1999). [cited by applicant]
Thao et al. (American Clinical Society, 2017, p. 6781-6786). [cited by applicant]
Urusov AE et al. (2019) Towards Lateral Flow Quantitative Assays: Detection Approaches. Biosensors, 9(3), 16 pgs; https://doi.org/10.3390/bios9030089 (Year: 2019). [cited by applicant]
Zhou et al. Paper electrode integrated lateral flow immunosensor for quantitative analysis of oxidative stress induced DNA damage, 2014, Analyst, 139(11), 2850-2857 (Year: 2014). [cited by applicant]
Correa, M. E. et al, Pregnancy Hypertension: An International Journal of Women's Cardiovascular Health 2017, 750-53. (Year: 2017). [cited by applicant]
De Silva, D. A. et al, Journal of Obstetrics and Gynaecology Canada 2014, 36, 605-612. (Year: 2014). [cited by applicant]
Filippini, D. et al, Analyst 2006, 131, 111-117. (Year: 2006). [cited by applicant]
Hou, Y. et al., Nanoscale Research Letters 2017, 12, paper 291, 13 pages. (Year: 2017). [cited by applicant]
Lin, C.-S. et al, Optik 2004, 115, 363-369. (Year: 2004). [cited by applicant]
Magiati, M. et al, Microchimica Acta 2018, 185, paper 314, 9 pages. (Year: 2018). [cited by applicant]
O'Farrell, B., in Lateral Flow Immunoassay 2009, Wong, R. C. et al. (eds.), Humana Press, New York, 1-33. (Year: 2009). [cited by applicant]
Panic, G. et al, Parasites & Vectors 2019, 12, paper 298, 7 pages. (Year: 2019). [cited by applicant]
Tucker, K. et al, Pregnancy Hypertension 2018, 12, 161-168. (Year: 2018). [cited by applicant]
Waters, L. C. et al, Journal of Hazardous Materials 1995, 43, 1-12. (Year: 1995). [cited by applicant]
Waugh, J. J. S. et al, BJOG: an International Journal of Obstetrics and Gynaecology 2005, 112, 412-417. (Year: 2005). [cited by applicant]
Xu, Y. et al., Analytical Chemistry 2018, 90, 708-715 with 13 pages of supporting information. (Year: 2018). [cited by applicant]
Grant et al. (May 7, 2020, Intellectual Ventures Lab, p. 1-11). [cited by applicant]