WO2006040106A1 - A single use, self-contained assay device for quantitative and qualitative measurements - Google Patents
A single use, self-contained assay device for quantitative and qualitative measurements Download PDFInfo
- Publication number
- WO2006040106A1 WO2006040106A1 PCT/EP2005/010879 EP2005010879W WO2006040106A1 WO 2006040106 A1 WO2006040106 A1 WO 2006040106A1 EP 2005010879 W EP2005010879 W EP 2005010879W WO 2006040106 A1 WO2006040106 A1 WO 2006040106A1
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- printed
- packaging
- sensor
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/48785—Electrical and electronic details of measuring devices for physical analysis of liquid biological material not specific to a particular test method, e.g. user interface or power supply
Definitions
- the invention relates to the field of single use, self-contained assay devices for quantitative and qualitative measurements of samples and where the measurement results are stored in the device and can be collected for further analysis at a remote location.
- diabetes Early detection of diabetes can prevent the outbreak of disease, or at least delay it, if proper measures are taken. However, as this is a "silent disease", diabetes is most of the time diagnosed too late, in a stage where no simple measures can be taken to halt the development of diabetes. At this stage, oral- or subcutaneous administration of insulin is the only remedy and the treatment is typically for the rest of the life. Further, over the years as the disease progresses, additional diseases typically evolve.
- An adjacent problem domain addresses field lab tests in a wide variety of applications, such as chemical analysis in industrial plants, soil analysis, drinking water analysis etc. All having in common that a sample is to be analyzed for at least one given property and that the test is typically performed at a centralized laboratory.
- EP 0972196 is described an assay and recording means, where the recording means is detachable from the assay means.
- the device is manufactured from a durable material like reinforced plastics.
- the recording part may be detached via a perforated means or via a click, hasp, lock or the like.
- the assay part has a sample application well in fluid connection with a conduit, where the well or conduit or both contain materials for sampling a sample and a test ready indicator whereby the user can determine when a sample has been suitably assayed.
- the detachable part contains a recording device which is in data communication with the assay part and which is adapted to store information relating to the sample.
- a disposable electronic assay device has a card-like housing for a sample receptor and a sample treatment means in order to yield a signal correlating with the amount of analyte in the sample and means for converting the electrical signal to a digital test result output means for presenting the test result output.
- a problem with the prior art concerns the design of a device which can be easily manufactured and distributed to the users and the recorded data be collected for further analysis by a central unit. Allowing for cost-effective and secure screening of data give large advantages to the fields of application and diversity of geographical regions where tests can be performed.
- the present invention describes a single-use, self-contained assay and diagnostic device, comprising a data entry-and sampling part including a sensor for measuring of physical or chemical property of a foreign substance and a data acquisition part including electronic processing- and storage means, where the part are integral parts of a packaging, formed of a sheet-like, printable and foldable material, the packaging being designed to enclose and protect the parts contained therein.
- the packaging may also include various instruments needed to perform a test.
- the device can be mounted in flat shape and be folded into a self-contained package. This simplifies the manufacturing process considerably.
- the packaging can further be designed so that after a conducted measurement, where a substantial part of the packaging is not needed in order to hold the collected data can be disposed of. Further, as the sensor gets contaminated by chemical and/or biological substances, it is also desirable that this part is removed and disposed of.
- the packaging By designing the packaging to have one part that holds the data processing- and storage means, the rest of the packaging can be torn off and disposed after a measurement is completed. The part holding the data can then be stored for further analysis. If equipped with a contact-less communication interface, information can be automatically exchanged with a host computer system.
- a typical bio-sensor is an electro-chemical (redox-type) thermodynamic system, relying on either a potentiometric- or amperometric response relationship or a combination thereof.
- the sensor response is usually highly temperature dependent.
- An aspect of the invention is therefore to provide temperature sensing means to be able to compensate the recorded response for temperature deviations. Further, a temperature sensor can be used to alert the user that the temperature is too high or too low to perform an accurate measurement.
- the presence of a temperature sensor can also be used to ensure that the assay device has not been exposed to temperature extremes during storage and transportation.
- a desiccant or a moisture-sensor may then be added in order to compensate for a change in humidity, or signaling a void condition if the influence of humidity has been too high.
- a described embodiment presents a diagnostic device for quantitative measurement of blood glucose in diabetes screening
- the same basic setup can be used for other diagnostic applications.
- samples are often taken from blood, saliva, urine, sweat, mucus, pus, wound fluid, semen or feces; all having in common that is unpleasant, potentially hazardous and difficult to handle from a logistical perspective.
- additional information may be needed to be colleted prior to storing the test results.
- an electronic questionnaire for example such as described in US 6,628,199
- subjective or other information from the device user can be collected and stored in electronic form together with converted objective data.
- there may be a legal and/or non-repudiation aspect of a sample where only an informed or trained person is allowed to perform the test or there is a concern that a test is performed by anyone else than the intended person.
- Such tests may include monitoring or detection of illegal substances found in blood and/or urine tests, where substances may be doping- or narcotic substances.
- the design of a self-contained packaging with an integrated microprocessor- and storage means further allows the integration of a keypad in the packaging, a user identification and authentication scheme can be implemented, where the intended person is informed with a secret- or identifying code prior to executing the test by another channel than the one used to distribute the device itself. By considering such an input as a PIN entry, it could be used in place of a signature by the person performing the test.
- the assay device can be designed with a minimum of user interaction functions in order to minimize costs and it can be assumed that some applications would not have any input means at all, except the sensor itself.
- additional means to interact with the user and to synchronize an expected set of actions a sound element and additional visual indicators can be added. If the test is for a non-clinical setting, there may be some on-chip diagnostics, which signals the outcome of the test, such as "positive” or "negative".
- a typical audible indicator would be a piezo-electric speaker, where typical visual indicators could be either a Light Emitting Diode (LED) or a printed electro chrome ink.
- LED Light Emitting Diode
- Biochemical analysis of drinking water, industrial samples, soil samples, food, beverages etc. can be conducted by untrained personnel, by simple deployment of a "sample kit", which can be sent to the desired site of sampling.
- sample kit which can be sent to the desired site of sampling.
- the data carrier is torn off and sent back in a pre-printed and pre-paid return envelope to the test center for subsequent analysis.
- Figure 1 shows an assembled assay device.
- Figure 2 shows an opened assay device.
- Figure 3 shows a detached data carrier part and a sensor part of an assay device.
- Figure 4 shows an exploded view of the packaging part.
- Figure 5 shows a cross-section of a printed and laminated sheet.
- Figure 6 shows a cross-section of a mounted electronics module.
- Figure 1 shows an assay device prior to shipment.
- the device and its packaging are designed to be self-contained and all parts being protected by the packaging.
- a cut-out (101) together with informational text (103) allows the device to be put on a typical store display.
- the packaging comprises recesses (102) which are broken prior to usage.
- Figure 2 shows an assay device prior to usage.
- the device and its packaging have been opened by breaking the recessed areas (102 in figure 1).
- the user is presented with a set of questionnaire panels (201) with embossed buttons (202) and a sample area (203). Additional items needed to perform or prepare the sample, such as a lancet and a wipe (204) are included, preferably attached by a pressure sensitive adhesive on the inside of the package.
- Figure 3 shows an assay device at a completed sample.
- the data acquisition part (301) is separated from the data entry- and sampling part (303), where the latter can be disposed of as ordinary household waste, together with the additional items (204).
- additional means of sealing the data entry- and sampling part prior to disposal such as a line of adhesive may be included.
- the recorded data is then sent back to a centralized location for data retrieval.
- the part (301) can be sent by ordinary mail and be provided with a pre-printed address field (302) to allow it to be put into a mailbox.
- FIG. 4 shows an assay device exposed in a simplified exploded planar, view.
- the device comprises a laminate of a bottom sheet (401) and a top sheet (409).
- the device comprises two parts (301, 303), separated by a hinged recessed area (414) and a cut-out area (413) to allow the parts to be easily separated by tearing.
- the data acquisition part (301) comprises an electronic module (403) with an electronic chip (404), a power source in form of a battery (411) and connector means (412), said connector means having corresponding printed connection points on the printed sheet (401).
- the electronic means is connected to the bottom sheet (401) with its printed antenna patches (402) using electrically conductive adhesive.
- the recording part (409) comprises embossed buttons (406) and a sensor (418), all being connected to the electronic module (403) using printed electrically conductive traces (405, 417).
- the buttons (406) are formed by printed switch-points in the bottom sheet and a printed area on the top part (407), where a mechanical force applied to the button (406) creates electrical connection between the pads (407).
- the sensor (418) is printed with an enzyme material, where the connecting traces (417) acts as electrodes. The sensor (418) is exposed to the user via a cut-out (not shown) in the top layer (409).
- the electronic chip can be an ASIC comprising the following functions: • A microprocessor running an application program
- a non-volatile data memory for storage of information
- a radio-telemetry communication interface to allow the device to be read through the packaging material, preferably compatible with an existing Radio Frequency (RFID) Identification standard such as ISO 15693, or low a cost alternative such as a capacitive system as described in application US 6,615,023.
- RFID Radio Frequency
- a cryptographic subsystem to allow information being sent from and to the device to be encrypted and/or cryptographically signed.
- the device In order to facilitate production the device is produced in two parts. The two parts are then assembled to the finalized product.
- Part 1 with the electronics module (403) with ASIC (404), battery (411) and supporting components are assembled on a thin polymer film, for example a polyester film with etched copper.
- the film has fine-pitch conductors which are spread to large pads (412), which can be attached to a substrate having conductors with a coarser pitch.
- the ASIC is mounted with stud-bumps or by conventional bonding to the metal on the film.
- Part 2 is the actual packaging.
- the packaging is produced using methods and equipment, well known to the industry.
- a sheet of polymer coated paperboard is printed with traces of conductive ink (417, 405), said traces forming a "disposable circuit-board", where the polymer coating is used to minimize influence of moisture in high-sensitivity measurements.
- conductive inks either carbon-graphite or silver give good performance.
- the traces connect the sensor (418) and printed pressure-sensitive keys (406) to a matrix of conductive pads (412) for connection to the electronics module (403). State-of-the-art methods are then used for application of additional printed graphics (103), cutting, embossing and creasing.
- Membrane pressure- sensitive keys (406), as described in application US 6,628,199, are formed by applying conductive ink areas on facing sides of the polymer coated paperboard, which is then made into a membrane by lamination.
- an antenna used for contact-less communication (402, 410) is also printed on the polymer coating.
- the sensor (418) is applied using thick-film printing of the sensor compound, where the conductive ink (417) described also forms the sensor electrodes.
- the sensor can be applied as a finished third- party component.
- Such sensors are typically delivered as strips with connection electrodes.
- an electrically conductive adhesive is printed onto conductive lines in the packaging.
- Assembly of the device is made by having Part 1 with the electronics module applied onto the Part 2 paper substrate at the place of the printed conductor pad matrix (412), using an electrically conductive adhesive. The product is then folded together and heat-sealed, using a printed or sprayed heat-activated adhesive.
- Figure 5 shows a cross-section through a conductive trace (405,417).
- the device comprises a laminate of a top sheet (401) and a bottom sheet (409), each sheet being covered with a moisture barrier polymer layer (502, 505).
- the bottom sheet is printed with planar shapes of electrically conductive ink (402, 405, 417).
- the finished laminate is formed by overprinting the top- and bottom sheets and the conductive trace (401/502 and 409, 505, 405) with a heat activated adhesive, which after a heat lamination step forms a homogenous bond (506).
- Figure 6 shows a cross section as shown by line A-A in figure 4 where the electronic module (403) is bonded to the printed sheet (409).
- the sheet is printed with electrically conductive ink (402, 405, 417).
- an electrically conductive adhesive (506) is overprinted on top on the sheets.
- the electronic module (403), comprising a lithium battery (411) and an electronic chip (404), are applied on a flexible film (403), which in turn is applied on the bottom layer (401).
- the upper layer (409) and the bottom layer (401) joins in a mechanical bond formed by the adhesive (506), said adhesive further being used to form electrical contacts between electrical conductors on the film (601, 602) and the printed electrically conductive traces (405) and the antenna patches (402) respectively.
- the electronic module Prior to deployment, the electronic module needs to be initialized with time from an accurate time source and optional calibration data for the sensor. Further, depending on the sensor type and chemistry, a reference voltage calibration step may be needed. In order to conserve battery power, the power consumption for the ASIC is very low when not initiated. When the clock and calibration data has been initialized, the product is ready to use. The necessary battery capacity should be calculated for the anticipated time period from deployment to usage. On the other hand, this time is generally limited by the shelf-life of the sensor compound. Some sensors may be sensitive for low and/or high ambient temperatures even at storage. By utilizing the temperature sensor in the ASIC, the ambient temperature can be continuously monitored. If the temperature limits for the sensor has been exceeded, the user will be alerted that the device will not deliver expected results. Alternatively, if the sensor has a known temperature and/or aging profile, proper adjustment and re-calibration can be performed at time of conversion.
- a usage scenario may be described as:
- the assay/diagnostic device kit is assembled at a centralized manufacturing site, containing all necessary items and information which is needed to perform the desired test.
- the device is delivered to a patient by ordinary mail services.
- the packaging is designed to withstand normal abuse and humidity fluctuations expected during transport and storage. In order to minimize waste and material usage, the packaging is made an integral part of the diagnostic device.
- the user physically opens the enclosing package by rupturing recessed areas (102) in the sealing design of the packaging.
- the integrated electronics detects the opening and switches the operating mode to "active".
- a timestamp is stored in the memory of the electronics module to keep a record when the package seal was broken.
- the device performs a self-test and verifies that the kit is undamaged and that there have been no temperature extremes during transport and storage.
- start button which is embossed into the packaging material.
- a timestamp is stored in the memory of the electronics module.
- the inside of the kit is printed with instructions how to perform the test.
- the "start” button would then be labeled "Press this key when you have read and understood the instructions how to perform the test”.
- a reminder signal and/or visual indicator prompts the user to respond to a limited number of questions (201) related to the measurement to be performed.
- the entry is performed on embossed buttons (202), and the responses are recorded and stored in the memory of the electronics module, together with a timestamp.
- a different reminder signal and/or visual indicator prompt the user to expose a blood sample to the sensor (203, 418).
- the electronics module continuously monitors the sensor and a significant change in a physical property signals the presence of the sample on the sensor. Depending on the sample and the sensor chemistry, the actual sampling by the electronic module is performed for a predetermined time.
- the packaging holds a sterile lancet and a disinfectant cleaning swab.
- the write pad is made pressure sensitive. When the write pad is affected by the pressure of the pen, this is recorded and time-stamped by the data processing- and storage means.
- the used and now useless part (303), including the contaminated sensor, is disposed of in normal waste by the device user.
- the disposable part is designed in such a way that it can be folded together and be sealed prior to disposal and further to hold the used lancet and swab.
- the "data carrier” has a pre-paid stamp and a return address printed on one side (302) and the user puts it in normal mail for return to a centralized data scanning facility.
- the "data carrier" part (301) is read by a RFID scanner and the result is transferred to a centralized database.
- a large number of data carriers can be scanned, even when stored in a mail bag, at high speed.
- a server-based application decrypts the data and verifies the digital signature.
- the data may then require additional processing in order to be converted to a useful result.
- step 6 the automated scanning detects that information is present on the write pad. The data carriers having this information would then require manual reading and data entry
- a device could be arranged to feature multiple sensor sites to allow several tests to be performed over a longer period of time. Further, depending on the test requirements, it may be useful to monitor more than one foreign substance at the same time, hi such a setup, several sensors may be arranged in close planar to each other proximity in such a way that a sample evenly distributes over all individual sensors.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05791059A EP1800121A1 (en) | 2004-10-11 | 2005-10-06 | A single use, self-contained assay device for quantitative and qualitative measurements |
JP2007536060A JP5074193B2 (en) | 2004-10-11 | 2005-10-06 | Disposable self-contained assay device for quantitative and qualitative measurements |
US11/733,396 US20080053222A1 (en) | 2005-10-06 | 2007-04-10 | Single use, self-contained assay device for quantitative and qualitative measurements |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52252904P | 2004-10-11 | 2004-10-11 | |
US60/522,529 | 2004-10-11 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/733,396 Continuation US20080053222A1 (en) | 2005-10-06 | 2007-04-10 | Single use, self-contained assay device for quantitative and qualitative measurements |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006040106A1 true WO2006040106A1 (en) | 2006-04-20 |
Family
ID=35744637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/010879 WO2006040106A1 (en) | 2004-10-11 | 2005-10-06 | A single use, self-contained assay device for quantitative and qualitative measurements |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1800121A1 (en) |
JP (1) | JP5074193B2 (en) |
CN (1) | CN101057142A (en) |
WO (1) | WO2006040106A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2008007280A2 (en) * | 2006-06-28 | 2008-01-17 | Koninklijke Philips Electronics N.V. | Assay system and method |
EP2018222A2 (en) * | 2006-05-09 | 2009-01-28 | Koninklijke Philips Electronics N.V. | Assay device |
WO2009073450A1 (en) * | 2007-11-28 | 2009-06-11 | Edwards Lifesciences Corporation | Conditioning of a packaged glucose sensor |
JP2009543041A (en) * | 2006-06-28 | 2009-12-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Disposable analyzer and analysis method |
DE102008052693A1 (en) | 2008-10-22 | 2010-04-29 | Sartorius Stedim Biotech Gmbh | Container with computer product |
EP2550520A1 (en) * | 2010-03-22 | 2013-01-30 | Impak Health LLC | Self contained in-vitro diagnostic device |
US8394246B2 (en) | 2009-02-23 | 2013-03-12 | Roche Diagnostics Operations, Inc. | System and method for the electrochemical measurement of an analyte employing a remote sensor |
JPWO2018135662A1 (en) * | 2017-01-23 | 2019-01-24 | 大日本印刷株式会社 | Information collection device |
US11612449B2 (en) | 2017-01-05 | 2023-03-28 | Maxell, Ltd. | Wearable patch, and sheet-type cell |
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JP4519757B2 (en) * | 2005-11-07 | 2010-08-04 | シャープ株式会社 | Analysis board and analyzer |
EP2032019B1 (en) * | 2006-06-12 | 2016-05-25 | Koninklijke Philips N.V. | Body monitoring device, body data acquiring method and method of determining the presence, location and/or stage of a wound |
US7998757B2 (en) * | 2007-01-22 | 2011-08-16 | Orasure Technologies, Inc. | Container and method for supporting home testing and diagnosis of infectious diseases |
JP5842327B2 (en) * | 2010-12-07 | 2016-01-13 | 大日本印刷株式会社 | Portable information transmitting apparatus and substance information management system including the same |
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DK2679156T3 (en) * | 2012-06-28 | 2019-12-02 | Hoffmann La Roche | Apparatus for monitoring at least one body function of a user and method of manufacturing them |
JP6079833B2 (en) * | 2015-07-28 | 2017-02-15 | 大日本印刷株式会社 | Portable information transmitting apparatus and substance information management system including the same |
JP6753058B2 (en) * | 2015-12-21 | 2020-09-09 | 大日本印刷株式会社 | Paper substrate for conductive circuit, paper substrate with conductive circuit, and sheet-shaped information recording device |
JP7108968B2 (en) * | 2018-03-13 | 2022-07-29 | 大日本印刷株式会社 | Information gathering device |
JP7091980B2 (en) * | 2018-09-28 | 2022-06-28 | 大日本印刷株式会社 | Information recording device |
CN113503900A (en) * | 2021-07-14 | 2021-10-15 | 苏州大学 | Method for manufacturing three-dimensional sensor and sensor |
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2005
- 2005-10-06 WO PCT/EP2005/010879 patent/WO2006040106A1/en active Application Filing
- 2005-10-06 JP JP2007536060A patent/JP5074193B2/en not_active Expired - Fee Related
- 2005-10-06 EP EP05791059A patent/EP1800121A1/en not_active Withdrawn
- 2005-10-06 CN CN 200580038966 patent/CN101057142A/en active Pending
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WO1998041870A1 (en) * | 1997-03-19 | 1998-09-24 | James Richard Jackson | Recording assay device |
EP0972196B1 (en) * | 1997-03-19 | 2003-07-30 | James Richard Jackson | Recording assay device |
US20020180605A1 (en) * | 1997-11-11 | 2002-12-05 | Ozguz Volkan H. | Wearable biomonitor with flexible thinned integrated circuit |
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Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2018222A2 (en) * | 2006-05-09 | 2009-01-28 | Koninklijke Philips Electronics N.V. | Assay device |
KR101407433B1 (en) * | 2006-05-09 | 2014-06-17 | 코닌클리케 필립스 엔.브이. | Assay device |
JP2009536065A (en) * | 2006-05-09 | 2009-10-08 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Inspection device |
WO2008007280A2 (en) * | 2006-06-28 | 2008-01-17 | Koninklijke Philips Electronics N.V. | Assay system and method |
WO2008007280A3 (en) * | 2006-06-28 | 2008-06-05 | Koninkl Philips Electronics Nv | Assay system and method |
JP2009543041A (en) * | 2006-06-28 | 2009-12-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Disposable analyzer and analysis method |
EP2434277A1 (en) * | 2007-11-28 | 2012-03-28 | Edwards Lifesciences Corporation | Conditioning of a packaged glucose sensor |
CN101925811A (en) * | 2007-11-28 | 2010-12-22 | 爱德华兹生命科学公司 | The adjusting of the glucose sensor of encapsulation |
WO2009073450A1 (en) * | 2007-11-28 | 2009-06-11 | Edwards Lifesciences Corporation | Conditioning of a packaged glucose sensor |
US8834703B2 (en) | 2007-11-28 | 2014-09-16 | Edwards Lifesciences Corporation | Preparation and maintenance of sensors |
DE102008052693A1 (en) | 2008-10-22 | 2010-04-29 | Sartorius Stedim Biotech Gmbh | Container with computer product |
US9095498B2 (en) | 2008-10-22 | 2015-08-04 | Sartorius Stedim Biotech Gmbh | Container having a computer product |
US8394246B2 (en) | 2009-02-23 | 2013-03-12 | Roche Diagnostics Operations, Inc. | System and method for the electrochemical measurement of an analyte employing a remote sensor |
EP2550520A1 (en) * | 2010-03-22 | 2013-01-30 | Impak Health LLC | Self contained in-vitro diagnostic device |
EP2550520A4 (en) * | 2010-03-22 | 2014-12-10 | Impak Health Llc | Self contained in-vitro diagnostic device |
US11612449B2 (en) | 2017-01-05 | 2023-03-28 | Maxell, Ltd. | Wearable patch, and sheet-type cell |
JPWO2018135662A1 (en) * | 2017-01-23 | 2019-01-24 | 大日本印刷株式会社 | Information collection device |
Also Published As
Publication number | Publication date |
---|---|
JP2008516248A (en) | 2008-05-15 |
EP1800121A1 (en) | 2007-06-27 |
CN101057142A (en) | 2007-10-17 |
JP5074193B2 (en) | 2012-11-14 |
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