US20210318289A1 - Method and apparatus for improving usability and accuracy for physiological measurement on mobile device - Google Patents
Method and apparatus for improving usability and accuracy for physiological measurement on mobile device Download PDFInfo
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- US20210318289A1 US20210318289A1 US17/356,549 US202117356549A US2021318289A1 US 20210318289 A1 US20210318289 A1 US 20210318289A1 US 202117356549 A US202117356549 A US 202117356549A US 2021318289 A1 US2021318289 A1 US 2021318289A1
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- mobile device
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Images
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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
- G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
- G01N27/3273—Devices therefor, e.g. test element readers, circuitry
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- 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
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0295—Strip shaped analyte sensors for apparatus classified in A61B5/145 or A61B5/157
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
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- G01N2201/022—Casings
- G01N2201/0221—Portable; cableless; compact; hand-held
Definitions
- the present disclosure generally relates to methods and systems for optochemistry-based in-vitro diagnosis devices.
- IVD in-vitro diagnosis
- test strips consisting enzyme and reagent are used.
- the test strip's characteristics such as electrical impedance or color, change according to the concentration of the targeted analyte, such as blood glucose or blood cholesterol.
- Optochemistry-based IVD systems usually comprises test strips that change color according to the concentration of analyte received, specific light sources that illuminate on strips, optical sensors that detect scattering light, and light-isolating cases.
- an accessory for a mobile device to measure characteristics of a test strip.
- the accessory includes a test strip adapter, a phone adapter, and a coupler.
- the test strip adapter includes a test strip attachment for a test strip type and a first interlock shared with other test strip adapters for other test strip types.
- the phone adapter includes a phone attachment for a mobile device model and a second interlock shared with other phone adapters for other mobile device models.
- the coupler includes a third interlock that forms a first mating pair with the first interlock of the test strip adapter, and a fourth interlock that forms a second mating pair with the second interlock of the phone adapter.
- FIG. 1 shows a mobile device accessory in examples of the present disclosure.
- FIGS. 2, 3, and 4 show the details of a phone adapter of FIG. 1 in examples of the present disclosure.
- FIG. 5-1 shows the details of a test strip device of FIG. 1 in examples of the present disclosure.
- FIGS. 5-2 and 5-3 show the details of a test strip adapter compatible with the phone adapter of FIG. 1 from different angles in examples of the present disclosure.
- FIG. 6 shows a phone adapter compatible with the test strip device of FIG. 1 in examples of the present disclosure.
- FIG. 7 shows a phone adapter compatible with the test strip device of FIG. 1 in examples of the present disclosure.
- FIG. 8 shows a mobile device accessory in examples of the present disclosure.
- FIG. 9 shows the details of a coupler of FIG. 8 in examples of the present disclosure.
- FIG. 10 shows the details of a test strip adapter of FIG. 8 in examples of the present disclosure.
- FIG. 11 shows a code card of FIG. 8 in examples of the present disclosure.
- FIG. 12 shows the details of a lid for the coupler of FIG. 8 in examples of the present disclosure.
- FIG. 13-1 shows a mobile device accessory in examples of the present disclosure.
- FIG. 13-2 shows a cover of FIG. 13-1 in examples of the present disclosure.
- FIGS. 14-1 and 14-2 show a test strip adapter compatible with a coupler of FIG. 13 from different angles in examples of the present disclosure.
- FIG. 15 shows a mobile device accessory in examples of the present disclosure.
- FIGS. 16-1 and 16-2 show the details of a test strip adapter of FIG. 15 from different angles in examples of the present disclosure.
- FIG. 16-3 shows the details of a test strip adapter compatible with the coupler of FIG. 15 in examples of the present disclosure.
- FIGS. 17-1 and 17-2 show the details of a coupler of FIG. 15 from different angles in examples of the present disclosure.
- FIG. 18 shows a mobile device case including a phone adapter for a test strip in examples of the present disclosure.
- FIG. 19 shows an adhesive-backed phone adapter in examples of the present disclosure.
- FIGS. 20, 21, and 22 show perspective, side, and top view of a light guide in examples of the present disclosure.
- FIGS. 23, 24, and 25 show perspective, side, and top view of another light guide in examples of the present disclosure.
- FIG. 26 shows a mobile device accessory in examples of the present disclosure.
- FIG. 27 shows the details of a test strip of FIG. 26 in examples of the present disclosure.
- FIG. 28 shows the details of a phone adapter of FIG. 26 in examples of the present disclosure.
- the term “includes” means includes but not limited to, the term “including” means including but not limited to.
- the terms “a” and “an” are intended to denote at least one of a particular element.
- the term “based on” means based at least in part on.
- the term “or” is used to refer to a nonexclusive such that “A or B” includes “A but not B,” “B but not A,” and “A and B” unless otherwise indicated.
- Today, most mobile devices include at least a display panel, which can serve as a light source for illumination. Besides, it also has at least one image or light sensor that locate at the same side of the display panel.
- test strip or a test strip device containing the test strip along with the display panel and the image/light sensor of mobile devices (e.g., smartphone or tablet), are used to measure physiological biochemical parameter(s).
- mobile devices e.g., smartphone or tablet
- Software in mobile device will instruct a user to complete the measurement procedure.
- Positioning of the test strip or test strip device is important for getting an accurate value.
- Examples of the present disclosure provide methods to improve the compatibility and position accuracy of test device to mobile device (mobile phone or tablet).
- mobile device mobile phone or tablet
- a mobile phone 102 is used as an example but the present disclosure is equally applicable to a tablet or other mobile devices.
- FIG. 1 shows an accessory 100 for a mobile device 102 (e.g., mobile phone) in some examples of the present disclosure.
- mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information.
- Accessory 100 includes a phone adapter 104 .
- Phone adapter 104 may be a removable clip that slides on and secures to the top of mobile phone 102 . After clip 104 is secured to mobile phone 102 , a test strip device 112 is placed on the clip.
- Test strip device 112 may be a single-use test strip carrier containing a test strip (as shown), a test strip adapter (described later) for a test strip, or a coupler (describe later) for joining clip 104 and the test strip adapter.
- FIG. 2 shows an enlarged view of clip 104 in some examples of the present disclosure.
- Clip 104 includes a faceplate 202 that defines a receiver slot 204 .
- Faceplate defines a receiver slot 204 that receives protrusions or anchors that position test strip device 112 on the faceplate.
- the anchors may be similar to anchors 513 of test strip device carrier 500 - 1 in FIG. 5-1 .
- Faceplate 202 includes V-shaped cutouts 206 that allows receiver slot 204 to flex when test strip device 112 is mounted or dismounted.
- Faceplate 202 defines a camera window 208 .
- camera window 208 exposes a camera 108 ( FIG. 1 ) of mobile phone 102 so the camera can take pictures.
- Camera window 208 may include a lens. If faceplate 202 extends over a screen 110 ( FIG. 1 ) of mobile phone 102 , the faceplate defines a screen opening 210 that exposes a portion of the screen used as a light source.
- faceplate 202 To position test strip device 112 ( FIG. 1 ) relative to clip 104 and mobile phone 102 , faceplate 202 includes a guide 212 .
- Guide 212 may be a frame that matches the footprint of test strip device 112 .
- guide 212 is a U-shaped frame with an open top end that receives test strip device 112 .
- frame 212 may have other shapes, such as an L-shape.
- FIG. 3 shows the interior of clip 104 in some examples of the present disclosure.
- the inner side surfaces of clip 104 have retention features 302 (only one is visible) that press against the two sides of mobile phone 102 ( FIG. 1 ).
- Retention features 302 may be protrusions arranged longitudinally along the insertion direction of mobile phone 102 .
- Clip 104 may define a groove that accommodates a button of mobile phone 102 .
- FIG. 4 shows clip 104 viewed from below in some examples of the present disclosure.
- Clip 104 includes faceplate 202 , a backplate 402 , and two sidewalls 404 joined to the sides of the faceplate and the backplate.
- Each sidewall 404 includes a U-shaped spring 406 that allows clip 104 to accommodate a range of mobile phone thicknesses.
- Backplate 402 includes a protrusion 408 to accommodate a back-facing camera (not labeled) of mobile phone 102 ( FIG. 1 ).
- clip 104 includes a roof joined to the tops of faceplate 202 and backplate 402 . Faceplate 202 , backplate 402 , sidewalls 404 , and the roof form a mechanical attachment to mobile phone 102 .
- Clip 104 is a phone adapter for a particular phone model (e.g., iPhone 6). Accordingly, clip 104 has certain dimensions and incorporates certain elements to accommodate that particular phone model. At the same time, guide 212 ( FIG. 2 ) has common dimensions shared between phone adapters for different mobile phone models so the phone adapters are compatible with test strip device 112 . Guide 212 may be standardized for use by multiple vendors/manufacturers.
- Test strip device 112 has certain dimensions and incorporates certain elements to accommodate a particular test strip type. At the same time, test strip device 112 has uniform dimensions shared between test strip devices for different test strip types so the test strip devices are compatible with clip 104 .
- FIG. 5-1 shows the assembly a single-use test strip carrier 500 - 1 in some examples of the present disclosure.
- Test strip carrier 500 - 1 is a test strip device 112 compatible with clip 104 .
- a test strip 502 is placed in and affixed to a carrier body 504 by adhesive or mechanical attachment.
- Carrier body 504 defines a sample collector that transports a physiological sample to test strip 502 .
- a light guide 508 is placed over test strip 502 and fixed to carrier body 504 by adhesive or mechanical attachment.
- the bottom of light guide 508 includes an input port 510 - 1 and a camera hole 512 .
- the top of light guide 508 includes an output port 510 - 2 ( FIG. 5-2 ) that is in communication with input port 510 - 1 and camera hole 512 .
- a carrier base 514 locks onto the open bottom of carrier body 504 .
- Carrier base 514 defines a light hole 516 and a camera hole 518 over input port 510 - 1 and camera hole 512 of light guide 508 , respectively.
- Carrier base 514 includes anchors 513 that fits into receiver slot 204 ( FIG. 2 ) on faceplate 202 ( FIG. 2 ).
- a lancet 520 is inserted into a lancet opening in carrier body 504 .
- a user provides a sample on the sample collector, which transports the sample to test strip 502 .
- Light guide 508 receives light from screen 110 ( FIG. 1 ) through light hole 516 and input port 510 - 1 , and projects the light out through output port 510 - 2 ( FIG. 5-2 ) on a reaction area of test strip 510 .
- Camera 108 ( FIG. 1 ) captures an image of the reaction area through camera hole 518 , camera hole 512 , and output port 510 - 2 .
- FIGS. 5-2 and 5-3 show an exploded view of a test strip adapter 500 - 2 in examples of the present disclosure.
- Test strip carrier 500 - 2 is a test strip device 112 compatible with clip 104 .
- Test strip adapter 500 - 2 includes a carrier cover 522 , a carrier body 524 , carrier base 518 , and light guide 508 .
- Light guide 508 is placed in and affixed to carrier body 524 by adhesive or mechanical attachment, and carrier base 518 locks onto the open bottom of carrier body 524 .
- carrier base 518 includes anchors 513 and defines light hole 516 and camera hole 518 over input port 510 - 1 ( FIG. 5-1 ) and camera hole 512 ( FIG. 5-1 ) of light guide 508 , respectively.
- Carrier body 524 has a top with guides 526 and defines a test strip opening 528 .
- Guides 526 define a slot dimensioned to receive test strip 510 .
- Carrier body 524 includes additional an additional guide 527 for compatibility with another test strip type.
- Test strip opening 528 is located within the space defined by guides 526 and over output port 510 - 2 of light guide 508 .
- a user provides a sample on test strip 510 , insert the test strip into the slot defined by guide posts 526 and over test strip opening 528 , and places carrier cover 522 onto carrier body 524 to block out ambient light.
- Light guide 508 receives light from screen 110 ( FIG. 1 ) through light hole 516 and input port 510 - 1 ( FIG. 5-1 ), and projects the light out through output port 510 - 2 and test strip opening 528 on a reaction area of test strip 510 .
- Camera 108 FIG. 1 ) captures an image of the reaction area through camera hole 518 , camera hole 512 ( FIG. 5-1 ), output port 510 - 2 , and test strip opening 528 .
- FIG. 6 shows a phone adapter 600 in some examples of the present disclosure.
- Phone adapter 600 is a removable clip similar to clip 104 ( FIG. 1 ) but for a different phone model 602 (e.g., Galaxy S6).
- Clip 600 includes a camera window 604 , a screen window 606 , and a guide 608 located toward the side of the clip to match the location of the camera on this particular phone model.
- Clip 600 also includes an anchor slot 610 for receiving anchors on a test strip device, and cutouts 612 that allows anchor slots 610 to flex.
- Clip 600 may otherwise be similar to clip 104 .
- FIG. 7 shows a phone adapter 700 in some examples of the present disclosure.
- Phone adapter 700 is a removable clip similar to clip 104 ( FIG. 1 ).
- Clip 700 includes a faceplate 702 and spring clips 704 that extend down from the top and the two sides of the faceplate to clamp onto the top end of mobile phone 102 ( FIG. 1 ).
- Spring clips 704 form a mechanical attachment to mobile phone 102 .
- clip 700 may include sidewalls, a backplate, and a roof like clip 104 .
- Faceplate 702 includes a guide 706 .
- Guide 706 may be an interlock that forms a mating pair with a corresponding an interlock on test strip device 112 ( FIG. 1 ).
- interlock 706 consists of slots or rails
- the counterpart interlock on test strip device 112 consists of tabs or way that slide in slots or rails 712 .
- Each slot 712 includes a retention feature 714 that engages a counterpart retention feature on a corresponding tab on test strip device 112 .
- retention feature 714 is a detent catch or detent notch.
- Clip 700 may be similar to clip 104 in other manners.
- FIG. 8 shows the assembly of an accessory 800 for mobile phone 102 in some examples of the present disclosure.
- mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information.
- Accessory 800 includes a phone adapter 802 , a coupler 804 , and a test strip adapter 806 in some examples of the present disclosure.
- Phone adapter 802 is configured for a particular phone model
- test strip adapter 806 is configured for a particular test strip type
- coupler 804 provides a common interface between the phone adapter and the test strip adapter so phone adapters for different phone models may be used with test strip adapters for different test strip types.
- the coupler interface may be standardized for use by multiple vendors/manufacturers.
- Phone adapter 802 may be clip 700 . As shown, clip 802 slides on and secures to the top of mobile phone 102 , coupler 804 slides on and secures to the clip, and test strip adapter 806 mounts on the coupler.
- a test strip 808 and a code card 810 insert into slots in test strip adapter 806 .
- FIG. 9 shows the assembly of coupler 804 in some examples of the present disclosure.
- Coupler 804 includes a coupler body 902 , a light guide 910 , and a lid 914 .
- Coupler body 902 has a base 904 that defines a camera window 906 and a screen window 908 .
- camera window 906 is located over camera window 208 ( FIG. 2 ) and camera 108 ( FIG. 1 )
- screen window 908 is located over screen opening 210 ( FIG. 2 ) and a portion of screen 110 ( FIG. 1 ).
- Light guide 910 is seated in and affixed to coupler body 902 by adhesive or mechanical attachment.
- Light guide 910 defines a hole, a space, or a combination of a hole and a space over camera window 906 of coupler body 902 .
- Lid 914 locks onto the open top of coupler body 902 to form a casing. Lid 914 defines a test strip opening 916 over hole or space 912 of light guide 910 .
- FIG. 10 shows the assembly of test strip adapter 806 in some examples of the present disclosure.
- Test strip adapter 806 is a cover that has a cover body 1000 defining a test strip opening 1002 .
- Cover body 1000 includes tracks 1004 along the two sides of test strip opening 1002 .
- Cover 806 includes a sliding door 1006 having tabs 1008 that fit in tracks 1004 to allow it to slide between open and closed positions. When sliding door 1006 is open, a user can place a sample on test strip 808 located just below test strip opening 1002 .
- FIG. 11 shows code card 810 in some examples of the present disclosure.
- Code card 810 includes a code label 1102 and a label adapter 1104 defining a depression 1105 for seating the label.
- Label adapter 1104 includes retention features 1106 that lock onto counterpart retention features on the sides of the code card slot in cover 806 ( FIG. 8 ).
- FIG. 12 shows the backside of lid 914 in examples of the present disclosure.
- the backside of lid 914 defines a frame 1202 adjacent to test strip opening 916 for affixing a temperature detection card 1206 .
- FIGS. 13-1 and 13-2 show the assembly of an accessory 1300 for mobile phone 102 in some examples of the present disclosure.
- mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information.
- Accessory 1300 includes a phone adapter 1302 , a coupler 1304 , and a test strip adapter 1306 in some examples of the present disclosure.
- Phone adapter 1302 is configured for a particular phone model
- test strip adapter 1304 is configured for a particular test strip type
- coupler 1304 provides a common interface between the phone adapter and the test strip adapter.
- Phone adapter 1302 is a removable clip similar to clip 700 . As shown, clip 1302 slides on and secures to the top of mobile phone 102 , coupler 1304 slides on and secures to the clip, and test strip adapter 1306 mounts on the coupler.
- Test strip adapter 1306 includes an adapter cover 1308 and a test strip carrier 1310 .
- Adapter cover 1308 has guides 1311 that define a slot to receive test strip carrier 1310 .
- Test strip carrier 1310 includes a top half 1312 and a bottom half 1314 .
- a test strip 1316 is seated in and affixed to bottom half 1314 by adhesive or mechanical attachment, and top half 1312 locks onto the bottom half.
- Top half 1312 defines a sample collector 1318 to transport a sample to test strip 1316 .
- a user deposits a sample in a tube 1317 with a solution (e.g., a buffer), mixes them, and inserts the tube into sample collector 1318 to provide a mixed solution to test strip 1316 .
- a solution e.g., a buffer
- Bottom half 1314 includes a test strip opening 1320 to view a reaction area on test strip 1316 .
- FIGS. 14-1 and 14-2 show a test strip carrier 1400 that is compatible with cover 1308 in some examples of the present disclosure.
- Test strip carrier 1400 is similar to test strip carrier 1310 .
- Test strip carrier 1400 includes a top half 1402 and a bottom half 1404 .
- Two different test strips 1406 and 1408 are seated in and affixed to bottom half 1404 by adhesive or mechanical attachment, and top half 1402 locks onto the bottom half.
- Top half 1402 defines a sample collector 1410 to transport a sample to test strips 1406 and 1408 .
- Bottom half 1404 includes a test strip opening 1412 to view reaction areas on test strips 1406 and 1408 .
- FIG. 15 shows the assembly of an accessory 1500 for mobile phone 102 in some examples of the present disclosure.
- mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information.
- Accessory 1500 includes a phone adapter 1502 , a coupler 1504 , and a test strip adapter 1506 in some examples of the present disclosure.
- Phone adapter 1502 is configured for a particular phone model (e.g., iPhone 6 from Apple)
- test strip adapter 1506 is configured for a particular test strip type
- coupler 1304 provides a common interface between the phone adapter and the test strip adapter.
- Phone adapter 1502 may be clip 700 . As shown, clip 1502 slides on and secures to the top of mobile phone 102 , coupler 1504 slides on and secures to the clip, test strip adapter 1506 mounts on a test strip 1508 , and the test strip adapter slides on and secures to the coupler. Prior to mounting test strip adapter 1506 on test strip 1508 , a user deposits a sample on the test strip.
- FIGS. 16-1 and 16-2 show an exploded view of test strip adapter 1506 in some examples of the present disclosure.
- Test strip adapter 1506 includes a test strip cover 1602 and an adapter cap 1604 .
- Test strip cover 1602 is a mechanical attachment to test strip 1508 of a particular type.
- Test strip cover 1602 defines an opening dimensioned to receive and locks to test strip 1508 by interference fit.
- Test strip cover 1602 has a top that defines a sample hole 1608 .
- Test strip cover 1602 has tabs 1606 along at least two sides. Tabs 1606 are interlocks shared with test strip adapters for other test strip types so they are all compatible with coupler 1504 .
- Each tab 1606 has a retention feature 1607 , such as a detent notch or a detent catch.
- Adapter cap 1604 fits on and locks to the test strip cover 1602 via retention features (e.g., snap-fit joints).
- Adapter cap 1604 has a top that defines a sample collector 1610 in communication with sample hole 1608 and a sample port 1612 on test strip 1508 .
- FIGS. 17-1 and 17-2 show an exploded view of coupler 1504 in some examples of the present disclosure.
- Coupler 1504 is similar to coupler 804 ( FIG. 8 ).
- Coupler 1504 includes a coupler body 1702 , a light guide 1704 , and a lid 1706 .
- Coupler body 1702 has a base 1708 that defines a camera window 1710 and a screen window 1712 .
- camera window 1710 is located over camera window 208 ( FIG. 2 ) and camera 108 ( FIG. 1 )
- screen window 908 is located over screen opening 210 ( FIG. 2 ) and a portion of screen 110 ( FIG. 1 ).
- Coupler body 1702 has an interlock 1711 on two lower lateral edges that forms a mating pair with a corresponding interlock on clip 1502 .
- interlock 1711 consists of tabs or way
- the counterpart interlock on clip 1502 consists of slots or rails (e.g., slots 706 on clip 700 ) that receive the tabs or way.
- Each tab 1711 may include a retention feature (e.g., a detent catch or detent notch) that engages a counterpart retention feature in a corresponding slot on phone adapter 1502 .
- Light guide 1704 is seated in and affixed to coupler body 1702 by adhesive or mechanical attachment.
- Light guide 1704 has a space 1714 and a base that defines a hole 1713 over camera window 906 of coupler body 1702 .
- Lid 1706 locks onto the open top of coupler body 1702 to form a casing.
- Lid 1706 defines a test strip opening 1716 located over hole or space 1714 of light guide 1704 .
- Lid 1706 has an interlock 1718 on two upper lateral edges that forms a mating pair with a corresponding interlock of test strip adapter 1506 .
- interlock 1718 consists of slots or rails
- the counterpart interlock on test strip adapter 1506 consists of tabs 1606 or way.
- Each slot 1718 includes a retention feature 1720 that engages a counterpart retention feature in a corresponding tab 1606 of test strip adapter 1506 .
- retention feature 1720 is a detent catch or detent notch.
- FIG. 16-3 shows an exploded view of a test strip adapter 1620 in some examples of the present disclosure.
- Test strip adapter 1620 is compatible with coupler 1504 ( FIG. 15 ).
- Test strip adapter 1620 includes a sheath 1622 and a cap 1624 .
- Cap 1624 is a mechanical attachment to a test strip 1626 of a particular type.
- Cap 1624 defines a cavity 1627 that is dimensioned to retain test strip 1626 by interference fit when the test strip inserts into the cap.
- Test strip 1626 is inserted into sheath 1622 and secured when cap 1624 locks onto the open end of the sheath. Prior to inserting test strip 1626 into sheath 1622 , a user deposits a sample on the test strip.
- sheath 1622 defines a test strip opening 1628 to view test strip 1626 .
- Sheath 1622 has tabs 1630 along at least two sides. Tabs 1630 are interlocks shared with test strip adapters for other test strip types so they are all compatible with coupler 1504 . Each tab 1630 has a retention feature 1632 , such as a detent notch or a detent catch.
- FIG. 18 shows a mobile phone case 1800 in some examples of the present disclosure.
- Case 1800 includes an upper section 1802 , a midsection 1804 , and a lower section 1806 .
- Upper section 1802 is implemented similar to the removable clips described in the present disclosure.
- FIG. 19 shows attaching an adhesive backed phone adapter 1902 to mobile phone 102 in some examples of the present disclosure.
- Phone adapter 1902 is implemented similar to the faceplates described in the present disclosure.
- the backside of phone adapter 1902 includes an adhesive tape 1903 .
- Alignment clip 1904 slides on and secures to the top of mobile phone 102 .
- Alignment clip 1904 defines a mounting space 1906 for phone adapter 1902 .
- the liner to adhesive tape 1903 on the back of phone adapter 1902 is removed, thereby exposing an adhesive.
- Phone adapter 1902 is then placed in mounting space 1906 . After phone adapter 1902 adheres to mobile phone 102 , alignment clip 1904 is removed from the mobile phone.
- FIGS. 20, 21, and 22 show various views of a light guide 2000 in some examples of the present disclosure.
- Light guide 2000 may be used as the light guides in the test strip carriers and the couplers described in the present disclosure.
- Light guide 2000 has a wedge portion 2002 and leg portions 2004 separated by a space between them.
- Wedge portion 2002 has a horizontal input surface 2006 , an angled reflective surface 2008 above the input surface, and a vertical output surface 2010 opposite the reflective surface. Using total internal reflection, reflective surface 2008 directs light from input surface 2006 to output surface 2010 .
- Leg portions 2004 extend laterally from output surface 2010 about the top of the output surface opposite. Light enters leg portions 2004 , reflects internally, and exit through the top of the leg portions to illuminate an area above the leg portions. Each leg portion 2004 has distal end with a 45° reflective surface 2014 . Using total internal reflection, 45° reflective surfaces 2014 directs light out through the top of leg portions 2004 .
- Angled reflective surface 2008 has a diffusive area 2012 about the top of the angled reflective surface. Diffusive area 2012 helps to scatter the light as it enters leg portions 2004 so the light exits uniformly from the top of leg portions 2004 .
- Each leg portion 2004 includes a diffusive area 2016 on the top of the leg portion near output surface 2010 . Diffusive areas 2016 help to scatter the light as it exits that part of leg portions 2004 so the light uniformly illuminate a test strip above the leg portions.
- a space 2018 is defined between leg portions 2004 to view the test strip.
- FIGS. 23, 24, and 25 show various views of a light guide 2300 in some examples of the present disclosure.
- Light guide 2300 may be used as the light guides described in the present disclosure.
- Light guide 2300 includes a 45° reflective surface 2302 , three reflective sidewall surfaces 2304 defining a space between them, and a reflective base surface 2306 .
- Reflective base surface 2306 defines an input port 2307 that allows light to enter into light guide 2300 from below.
- Reflective base surface defines a camera window 2308 .
- FIG. 26 shows an accessory 2600 for a mobile device 102 (e.g., mobile phone) in some examples of the present disclosure.
- mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information.
- Accessory 2600 includes a test strip adapter 2602 and a universal phone adapter 2604 .
- test strip adapter 2602 includes a sheath having an upper part 2704 and a lower part 2706 .
- a test strip 2708 is seated and affixed to lower part 2706 , and upper part 2704 locks onto the lower part.
- the bottom of lower part 2706 defines a test strip opening 2707 to view test strip 2708 .
- Lower part 2706 has an insert 2712 that inserts into and frictionally locks to a port 2808 ( FIG. 28 ) of universal phone adapter 2604 ( FIG. 28 ).
- universal phone adapter 2604 includes an adapter base 2802 , a light guide 2804 , and an adapter lid 2806 .
- Adapter base 2802 defines a light port 2810 that is located over a portion of screen 110 ( FIG. 1 ) of mobile phone 102 .
- Adapter base 2802 also defines a camera hole 2812 over camera 108 ( FIG. 1 ) of mobile phone 102 .
- Adapter base 2802 includes a universal clip 2814 to secure universal phone adapter 2604 to the top end of mobile phone 102 .
- Universal clip 2814 is dimensioned to fit over and secure to multiple mobile phone models.
- Light guide 2804 may be one of the light guides described in the present disclosure. Light guide 2804 is seated in and affixed to adapter base 2802 . Adapter lid 2806 defines port 2808 that receives insert 2712 ( FIG. 27 ) of test strip adapter 2602 ( FIG. 27 ). Adapter lid 2806 locks onto adapter base 2802 .
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Abstract
An accessory is provided for a mobile device to measure characteristics of a test strip. The accessory includes a test strip adapter and a phone adapter. The test strip adapter includes a sheath and a first interlock. The phone adapter inclues a second interlock, wherein the first interlock is configured to frictionally lock to the second interlock.
Description
- The present application is a continuation application under 35 U.S.C. § 120 of U.S. application Ser. No. 15/739,157 filed Dec. 21, 2017, which is a U.S. national stage filing under 35 U.S.C. § 371 of International Application No. PCT/CN2016/098971, filed Sep. 14, 2016, which claims the benefit of U.S. Provisional Application No. 62/219,383 filed Sep. 16, 2015, and U.S. Provisional Application No. 62/245,623, filed Oct. 23, 2015. The aforementioned International Application and U.S. Applications are incorporated by reference in their entirety.
- The present disclosure generally relates to methods and systems for optochemistry-based in-vitro diagnosis devices.
- In recent years, in-vitro diagnosis (IVD) devices, especially blood glucose meters, have gained wide adoption among patients with chronic diseases. In order to take measurements, patients usually have to carry standalone IVD devices with them all day long. From time to time, patients forget to carry their IVD devices and are not able to monitor their health status in a timely manner.
- For typical IVD measurements, test strips consisting enzyme and reagent are used. Upon receiving the sample fluid, the test strip's characteristics, such as electrical impedance or color, change according to the concentration of the targeted analyte, such as blood glucose or blood cholesterol.
- Optochemistry-based IVD systems usually comprises test strips that change color according to the concentration of analyte received, specific light sources that illuminate on strips, optical sensors that detect scattering light, and light-isolating cases.
- In examples of the present disclosure, an accessory is provided for a mobile device to measure characteristics of a test strip. The accessory includes a test strip adapter, a phone adapter, and a coupler. The test strip adapter includes a test strip attachment for a test strip type and a first interlock shared with other test strip adapters for other test strip types. The phone adapter includes a phone attachment for a mobile device model and a second interlock shared with other phone adapters for other mobile device models. The coupler includes a third interlock that forms a first mating pair with the first interlock of the test strip adapter, and a fourth interlock that forms a second mating pair with the second interlock of the phone adapter.
- The foregoing and other features of the present disclosure will become more fully apparent from the following description and appended claims, taken in conjunction with the accompanying drawings. These drawings depict only several embodiments in accordance with the disclosure and are therefore not to be considered limiting of its scope. The disclosure will be described with additional specificity and detail through use of the accompanying drawings.
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FIG. 1 shows a mobile device accessory in examples of the present disclosure. -
FIGS. 2, 3, and 4 show the details of a phone adapter ofFIG. 1 in examples of the present disclosure. -
FIG. 5-1 shows the details of a test strip device ofFIG. 1 in examples of the present disclosure. -
FIGS. 5-2 and 5-3 show the details of a test strip adapter compatible with the phone adapter ofFIG. 1 from different angles in examples of the present disclosure. -
FIG. 6 shows a phone adapter compatible with the test strip device ofFIG. 1 in examples of the present disclosure. -
FIG. 7 shows a phone adapter compatible with the test strip device ofFIG. 1 in examples of the present disclosure. -
FIG. 8 shows a mobile device accessory in examples of the present disclosure. -
FIG. 9 shows the details of a coupler ofFIG. 8 in examples of the present disclosure. -
FIG. 10 shows the details of a test strip adapter ofFIG. 8 in examples of the present disclosure. -
FIG. 11 shows a code card ofFIG. 8 in examples of the present disclosure. -
FIG. 12 shows the details of a lid for the coupler ofFIG. 8 in examples of the present disclosure. -
FIG. 13-1 shows a mobile device accessory in examples of the present disclosure. -
FIG. 13-2 shows a cover ofFIG. 13-1 in examples of the present disclosure. -
FIGS. 14-1 and 14-2 show a test strip adapter compatible with a coupler ofFIG. 13 from different angles in examples of the present disclosure. -
FIG. 15 shows a mobile device accessory in examples of the present disclosure. -
FIGS. 16-1 and 16-2 show the details of a test strip adapter ofFIG. 15 from different angles in examples of the present disclosure. -
FIG. 16-3 shows the details of a test strip adapter compatible with the coupler ofFIG. 15 in examples of the present disclosure. -
FIGS. 17-1 and 17-2 show the details of a coupler ofFIG. 15 from different angles in examples of the present disclosure. -
FIG. 18 shows a mobile device case including a phone adapter for a test strip in examples of the present disclosure. -
FIG. 19 shows an adhesive-backed phone adapter in examples of the present disclosure. -
FIGS. 20, 21, and 22 show perspective, side, and top view of a light guide in examples of the present disclosure. -
FIGS. 23, 24, and 25 show perspective, side, and top view of another light guide in examples of the present disclosure. -
FIG. 26 shows a mobile device accessory in examples of the present disclosure. -
FIG. 27 shows the details of a test strip ofFIG. 26 in examples of the present disclosure. -
FIG. 28 shows the details of a phone adapter ofFIG. 26 in examples of the present disclosure. - As used herein, the term “includes” means includes but not limited to, the term “including” means including but not limited to. The terms “a” and “an” are intended to denote at least one of a particular element. The term “based on” means based at least in part on. The term “or” is used to refer to a nonexclusive such that “A or B” includes “A but not B,” “B but not A,” and “A and B” unless otherwise indicated.
- Today, most mobile devices include at least a display panel, which can serve as a light source for illumination. Besides, it also has at least one image or light sensor that locate at the same side of the display panel.
- In the present disclosure, a test strip or a test strip device containing the test strip, along with the display panel and the image/light sensor of mobile devices (e.g., smartphone or tablet), are used to measure physiological biochemical parameter(s). Software in mobile device will instruct a user to complete the measurement procedure.
- Positioning of the test strip or test strip device is important for getting an accurate value. Examples of the present disclosure provide methods to improve the compatibility and position accuracy of test device to mobile device (mobile phone or tablet). For simply, a
mobile phone 102 is used as an example but the present disclosure is equally applicable to a tablet or other mobile devices. -
FIG. 1 shows anaccessory 100 for a mobile device 102 (e.g., mobile phone) in some examples of the present disclosure. Usingaccessory 100 and software,mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information. - Accessory 100 includes a
phone adapter 104.Phone adapter 104 may be a removable clip that slides on and secures to the top ofmobile phone 102. Afterclip 104 is secured tomobile phone 102, atest strip device 112 is placed on the clip.Test strip device 112 may be a single-use test strip carrier containing a test strip (as shown), a test strip adapter (described later) for a test strip, or a coupler (describe later) for joiningclip 104 and the test strip adapter. -
FIG. 2 shows an enlarged view ofclip 104 in some examples of the present disclosure.Clip 104 includes afaceplate 202 that defines areceiver slot 204. Faceplate defines areceiver slot 204 that receives protrusions or anchors that positiontest strip device 112 on the faceplate. The anchors may be similar toanchors 513 of test strip device carrier 500-1 inFIG. 5-1 .Faceplate 202 includes V-shapedcutouts 206 that allowsreceiver slot 204 to flex whentest strip device 112 is mounted or dismounted. -
Faceplate 202 defines acamera window 208. Whenclip 104 is attached tomobile phone 102,camera window 208 exposes a camera 108 (FIG. 1 ) ofmobile phone 102 so the camera can take pictures.Camera window 208 may include a lens. Iffaceplate 202 extends over a screen 110 (FIG. 1 ) ofmobile phone 102, the faceplate defines ascreen opening 210 that exposes a portion of the screen used as a light source. - To position test strip device 112 (
FIG. 1 ) relative to clip 104 andmobile phone 102,faceplate 202 includes aguide 212.Guide 212 may be a frame that matches the footprint oftest strip device 112. For example, guide 212 is a U-shaped frame with an open top end that receivestest strip device 112. Alternatively,frame 212 may have other shapes, such as an L-shape. -
FIG. 3 shows the interior ofclip 104 in some examples of the present disclosure. The inner side surfaces ofclip 104 have retention features 302 (only one is visible) that press against the two sides of mobile phone 102 (FIG. 1 ). Retention features 302 may be protrusions arranged longitudinally along the insertion direction ofmobile phone 102.Clip 104 may define a groove that accommodates a button ofmobile phone 102. -
FIG. 4 showsclip 104 viewed from below in some examples of the present disclosure.Clip 104 includesfaceplate 202, abackplate 402, and twosidewalls 404 joined to the sides of the faceplate and the backplate. Eachsidewall 404 includes aU-shaped spring 406 that allowsclip 104 to accommodate a range of mobile phone thicknesses.Backplate 402 includes aprotrusion 408 to accommodate a back-facing camera (not labeled) of mobile phone 102 (FIG. 1 ). Although not visible,clip 104 includes a roof joined to the tops offaceplate 202 andbackplate 402.Faceplate 202,backplate 402,sidewalls 404, and the roof form a mechanical attachment tomobile phone 102. -
Clip 104 is a phone adapter for a particular phone model (e.g., iPhone 6). Accordingly,clip 104 has certain dimensions and incorporates certain elements to accommodate that particular phone model. At the same time, guide 212 (FIG. 2 ) has common dimensions shared between phone adapters for different mobile phone models so the phone adapters are compatible withtest strip device 112.Guide 212 may be standardized for use by multiple vendors/manufacturers. -
Test strip device 112 has certain dimensions and incorporates certain elements to accommodate a particular test strip type. At the same time,test strip device 112 has uniform dimensions shared between test strip devices for different test strip types so the test strip devices are compatible withclip 104. -
FIG. 5-1 shows the assembly a single-use test strip carrier 500-1 in some examples of the present disclosure. Test strip carrier 500-1 is atest strip device 112 compatible withclip 104. Atest strip 502 is placed in and affixed to acarrier body 504 by adhesive or mechanical attachment.Carrier body 504 defines a sample collector that transports a physiological sample totest strip 502. Alight guide 508 is placed overtest strip 502 and fixed tocarrier body 504 by adhesive or mechanical attachment. The bottom oflight guide 508 includes an input port 510-1 and acamera hole 512. The top oflight guide 508 includes an output port 510-2 (FIG. 5-2 ) that is in communication with input port 510-1 andcamera hole 512. Acarrier base 514 locks onto the open bottom ofcarrier body 504.Carrier base 514 defines alight hole 516 and acamera hole 518 over input port 510-1 andcamera hole 512 oflight guide 508, respectively.Carrier base 514 includesanchors 513 that fits into receiver slot 204 (FIG. 2 ) on faceplate 202 (FIG. 2 ). Alancet 520 is inserted into a lancet opening incarrier body 504. - In operation, a user provides a sample on the sample collector, which transports the sample to
test strip 502.Light guide 508 receives light from screen 110 (FIG. 1 ) throughlight hole 516 and input port 510-1, and projects the light out through output port 510-2 (FIG. 5-2 ) on a reaction area oftest strip 510. Camera 108 (FIG. 1 ) captures an image of the reaction area throughcamera hole 518,camera hole 512, and output port 510-2. -
FIGS. 5-2 and 5-3 show an exploded view of a test strip adapter 500-2 in examples of the present disclosure. Test strip carrier 500-2 is atest strip device 112 compatible withclip 104. Test strip adapter 500-2 includes acarrier cover 522, acarrier body 524,carrier base 518, andlight guide 508. -
Light guide 508 is placed in and affixed tocarrier body 524 by adhesive or mechanical attachment, andcarrier base 518 locks onto the open bottom ofcarrier body 524. As described before,carrier base 518 includesanchors 513 and defineslight hole 516 andcamera hole 518 over input port 510-1 (FIG. 5-1 ) and camera hole 512 (FIG. 5-1 ) oflight guide 508, respectively. -
Carrier body 524 has a top withguides 526 and defines atest strip opening 528.Guides 526 define a slot dimensioned to receivetest strip 510.Carrier body 524 includes additional anadditional guide 527 for compatibility with another test strip type. Test strip opening 528 is located within the space defined byguides 526 and over output port 510-2 oflight guide 508. - In operation, a user provides a sample on
test strip 510, insert the test strip into the slot defined byguide posts 526 and overtest strip opening 528, and placescarrier cover 522 ontocarrier body 524 to block out ambient light.Light guide 508 receives light from screen 110 (FIG. 1 ) throughlight hole 516 and input port 510-1 (FIG. 5-1 ), and projects the light out through output port 510-2 and test strip opening 528 on a reaction area oftest strip 510. Camera 108 (FIG. 1 ) captures an image of the reaction area throughcamera hole 518, camera hole 512 (FIG. 5-1 ), output port 510-2, andtest strip opening 528. -
FIG. 6 shows aphone adapter 600 in some examples of the present disclosure.Phone adapter 600 is a removable clip similar to clip 104 (FIG. 1 ) but for a different phone model 602 (e.g., Galaxy S6).Clip 600 includes acamera window 604, ascreen window 606, and aguide 608 located toward the side of the clip to match the location of the camera on this particular phone model.Clip 600 also includes ananchor slot 610 for receiving anchors on a test strip device, andcutouts 612 that allowsanchor slots 610 to flex.Clip 600 may otherwise be similar toclip 104. -
FIG. 7 shows aphone adapter 700 in some examples of the present disclosure.Phone adapter 700 is a removable clip similar to clip 104 (FIG. 1 ).Clip 700 includes afaceplate 702 andspring clips 704 that extend down from the top and the two sides of the faceplate to clamp onto the top end of mobile phone 102 (FIG. 1 ). Spring clips 704 form a mechanical attachment tomobile phone 102. Instead of spring clips 704,clip 700 may include sidewalls, a backplate, and a roof likeclip 104. -
Faceplate 702 includes aguide 706.Guide 706 may be an interlock that forms a mating pair with a corresponding an interlock on test strip device 112 (FIG. 1 ). For example,interlock 706 consists of slots or rails, and the counterpart interlock ontest strip device 112 consists of tabs or way that slide in slots or rails 712. Each slot 712 includes aretention feature 714 that engages a counterpart retention feature on a corresponding tab ontest strip device 112. For example,retention feature 714 is a detent catch or detent notch.Clip 700 may be similar toclip 104 in other manners. -
FIG. 8 shows the assembly of anaccessory 800 formobile phone 102 in some examples of the present disclosure. Usingaccessory 800 and software,mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information. -
Accessory 800 includes aphone adapter 802, acoupler 804, and atest strip adapter 806 in some examples of the present disclosure.Phone adapter 802 is configured for a particular phone model,test strip adapter 806 is configured for a particular test strip type, andcoupler 804 provides a common interface between the phone adapter and the test strip adapter so phone adapters for different phone models may be used with test strip adapters for different test strip types. The coupler interface may be standardized for use by multiple vendors/manufacturers.Phone adapter 802 may beclip 700. As shown,clip 802 slides on and secures to the top ofmobile phone 102,coupler 804 slides on and secures to the clip, andtest strip adapter 806 mounts on the coupler. Atest strip 808 and acode card 810 insert into slots intest strip adapter 806. -
FIG. 9 shows the assembly ofcoupler 804 in some examples of the present disclosure.Coupler 804 includes acoupler body 902, alight guide 910, and alid 914. -
Coupler body 902 has a base 904 that defines acamera window 906 and ascreen window 908. Whencoupler 804 is mounted onclip 802,camera window 906 is located over camera window 208 (FIG. 2 ) and camera 108 (FIG. 1 ), andscreen window 908 is located over screen opening 210 (FIG. 2 ) and a portion of screen 110 (FIG. 1 ). -
Light guide 910 is seated in and affixed tocoupler body 902 by adhesive or mechanical attachment.Light guide 910 defines a hole, a space, or a combination of a hole and a space overcamera window 906 ofcoupler body 902. -
Lid 914 locks onto the open top ofcoupler body 902 to form a casing.Lid 914 defines a test strip opening 916 over hole orspace 912 oflight guide 910. -
FIG. 10 shows the assembly oftest strip adapter 806 in some examples of the present disclosure.Test strip adapter 806 is a cover that has acover body 1000 defining atest strip opening 1002.Cover body 1000 includestracks 1004 along the two sides oftest strip opening 1002. Cover 806 includes a slidingdoor 1006 havingtabs 1008 that fit intracks 1004 to allow it to slide between open and closed positions. When slidingdoor 1006 is open, a user can place a sample ontest strip 808 located just belowtest strip opening 1002. -
FIG. 11 showscode card 810 in some examples of the present disclosure.Code card 810 includes acode label 1102 and alabel adapter 1104 defining adepression 1105 for seating the label.Label adapter 1104 includes retention features 1106 that lock onto counterpart retention features on the sides of the code card slot in cover 806 (FIG. 8 ). -
FIG. 12 shows the backside oflid 914 in examples of the present disclosure. The backside oflid 914 defines aframe 1202 adjacent to test strip opening 916 for affixing atemperature detection card 1206. -
FIGS. 13-1 and 13-2 show the assembly of anaccessory 1300 formobile phone 102 in some examples of the present disclosure. Usingaccessory 1300 and software,mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information. -
Accessory 1300 includes aphone adapter 1302, acoupler 1304, and atest strip adapter 1306 in some examples of the present disclosure.Phone adapter 1302 is configured for a particular phone model,test strip adapter 1304 is configured for a particular test strip type, andcoupler 1304 provides a common interface between the phone adapter and the test strip adapter. -
Phone adapter 1302 is a removable clip similar toclip 700. As shown,clip 1302 slides on and secures to the top ofmobile phone 102,coupler 1304 slides on and secures to the clip, andtest strip adapter 1306 mounts on the coupler.Test strip adapter 1306 includes anadapter cover 1308 and atest strip carrier 1310.Adapter cover 1308 hasguides 1311 that define a slot to receivetest strip carrier 1310.Test strip carrier 1310 includes atop half 1312 and abottom half 1314. Atest strip 1316 is seated in and affixed tobottom half 1314 by adhesive or mechanical attachment, andtop half 1312 locks onto the bottom half.Top half 1312 defines asample collector 1318 to transport a sample totest strip 1316. In some applications, a user deposits a sample in atube 1317 with a solution (e.g., a buffer), mixes them, and inserts the tube intosample collector 1318 to provide a mixed solution totest strip 1316.Bottom half 1314 includes atest strip opening 1320 to view a reaction area ontest strip 1316. -
FIGS. 14-1 and 14-2 show atest strip carrier 1400 that is compatible withcover 1308 in some examples of the present disclosure.Test strip carrier 1400 is similar totest strip carrier 1310.Test strip carrier 1400 includes atop half 1402 and abottom half 1404. Twodifferent test strips bottom half 1404 by adhesive or mechanical attachment, andtop half 1402 locks onto the bottom half.Top half 1402 defines asample collector 1410 to transport a sample to teststrips Bottom half 1404 includes atest strip opening 1412 to view reaction areas ontest strips -
FIG. 15 shows the assembly of anaccessory 1500 formobile phone 102 in some examples of the present disclosure. Usingaccessory 1500 and software,mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information. -
Accessory 1500 includes aphone adapter 1502, acoupler 1504, and atest strip adapter 1506 in some examples of the present disclosure.Phone adapter 1502 is configured for a particular phone model (e.g., iPhone 6 from Apple),test strip adapter 1506 is configured for a particular test strip type, andcoupler 1304 provides a common interface between the phone adapter and the test strip adapter.Phone adapter 1502 may beclip 700. As shown,clip 1502 slides on and secures to the top ofmobile phone 102,coupler 1504 slides on and secures to the clip,test strip adapter 1506 mounts on atest strip 1508, and the test strip adapter slides on and secures to the coupler. Prior to mountingtest strip adapter 1506 ontest strip 1508, a user deposits a sample on the test strip. -
FIGS. 16-1 and 16-2 show an exploded view oftest strip adapter 1506 in some examples of the present disclosure.Test strip adapter 1506 includes atest strip cover 1602 and anadapter cap 1604.Test strip cover 1602 is a mechanical attachment totest strip 1508 of a particular type.Test strip cover 1602 defines an opening dimensioned to receive and locks totest strip 1508 by interference fit.Test strip cover 1602 has a top that defines asample hole 1608.Test strip cover 1602 hastabs 1606 along at least two sides.Tabs 1606 are interlocks shared with test strip adapters for other test strip types so they are all compatible withcoupler 1504. Eachtab 1606 has aretention feature 1607, such as a detent notch or a detent catch.Adapter cap 1604 fits on and locks to thetest strip cover 1602 via retention features (e.g., snap-fit joints).Adapter cap 1604 has a top that defines asample collector 1610 in communication withsample hole 1608 and asample port 1612 ontest strip 1508. -
FIGS. 17-1 and 17-2 show an exploded view ofcoupler 1504 in some examples of the present disclosure.Coupler 1504 is similar to coupler 804 (FIG. 8 ).Coupler 1504 includes acoupler body 1702, alight guide 1704, and alid 1706.Coupler body 1702 has a base 1708 that defines acamera window 1710 and ascreen window 1712. Whencoupler 1504 is mounted onclip 1502,camera window 1710 is located over camera window 208 (FIG. 2 ) and camera 108 (FIG. 1 ), andscreen window 908 is located over screen opening 210 (FIG. 2 ) and a portion of screen 110 (FIG. 1 ).Coupler body 1702 has aninterlock 1711 on two lower lateral edges that forms a mating pair with a corresponding interlock onclip 1502. For example,interlock 1711 consists of tabs or way, and the counterpart interlock onclip 1502 consists of slots or rails (e.g.,slots 706 on clip 700) that receive the tabs or way. Eachtab 1711 may include a retention feature (e.g., a detent catch or detent notch) that engages a counterpart retention feature in a corresponding slot onphone adapter 1502. -
Light guide 1704 is seated in and affixed tocoupler body 1702 by adhesive or mechanical attachment.Light guide 1704 has aspace 1714 and a base that defines ahole 1713 overcamera window 906 ofcoupler body 1702.Lid 1706 locks onto the open top ofcoupler body 1702 to form a casing.Lid 1706 defines atest strip opening 1716 located over hole orspace 1714 oflight guide 1704. -
Lid 1706 has aninterlock 1718 on two upper lateral edges that forms a mating pair with a corresponding interlock oftest strip adapter 1506. For example,interlock 1718 consists of slots or rails, and the counterpart interlock ontest strip adapter 1506 consists oftabs 1606 or way. Eachslot 1718 includes aretention feature 1720 that engages a counterpart retention feature in acorresponding tab 1606 oftest strip adapter 1506. For example,retention feature 1720 is a detent catch or detent notch. -
FIG. 16-3 shows an exploded view of atest strip adapter 1620 in some examples of the present disclosure.Test strip adapter 1620 is compatible with coupler 1504 (FIG. 15 ).Test strip adapter 1620 includes asheath 1622 and acap 1624.Cap 1624 is a mechanical attachment to atest strip 1626 of a particular type.Cap 1624 defines acavity 1627 that is dimensioned to retaintest strip 1626 by interference fit when the test strip inserts into the cap.Test strip 1626 is inserted intosheath 1622 and secured whencap 1624 locks onto the open end of the sheath. Prior to insertingtest strip 1626 intosheath 1622, a user deposits a sample on the test strip. The bottom ofsheath 1622 defines atest strip opening 1628 to viewtest strip 1626.Sheath 1622 hastabs 1630 along at least two sides.Tabs 1630 are interlocks shared with test strip adapters for other test strip types so they are all compatible withcoupler 1504. Eachtab 1630 has aretention feature 1632, such as a detent notch or a detent catch. -
FIG. 18 shows amobile phone case 1800 in some examples of the present disclosure.Case 1800 includes anupper section 1802, amidsection 1804, and alower section 1806.Upper section 1802 is implemented similar to the removable clips described in the present disclosure. -
FIG. 19 shows attaching an adhesive backedphone adapter 1902 tomobile phone 102 in some examples of the present disclosure.Phone adapter 1902 is implemented similar to the faceplates described in the present disclosure. The backside ofphone adapter 1902 includes anadhesive tape 1903. - An
alignment clip 1904 slides on and secures to the top ofmobile phone 102.Alignment clip 1904 defines a mountingspace 1906 forphone adapter 1902. The liner toadhesive tape 1903 on the back ofphone adapter 1902 is removed, thereby exposing an adhesive.Phone adapter 1902 is then placed in mountingspace 1906. Afterphone adapter 1902 adheres tomobile phone 102,alignment clip 1904 is removed from the mobile phone. -
FIGS. 20, 21, and 22 show various views of alight guide 2000 in some examples of the present disclosure.Light guide 2000 may be used as the light guides in the test strip carriers and the couplers described in the present disclosure. -
Light guide 2000 has awedge portion 2002 andleg portions 2004 separated by a space between them.Wedge portion 2002 has ahorizontal input surface 2006, an angledreflective surface 2008 above the input surface, and avertical output surface 2010 opposite the reflective surface. Using total internal reflection,reflective surface 2008 directs light frominput surface 2006 tooutput surface 2010. -
Leg portions 2004 extend laterally fromoutput surface 2010 about the top of the output surface opposite. Light entersleg portions 2004, reflects internally, and exit through the top of the leg portions to illuminate an area above the leg portions. Eachleg portion 2004 has distal end with a 45°reflective surface 2014. Using total internal reflection, 45°reflective surfaces 2014 directs light out through the top ofleg portions 2004. - Angled
reflective surface 2008 has adiffusive area 2012 about the top of the angled reflective surface.Diffusive area 2012 helps to scatter the light as it entersleg portions 2004 so the light exits uniformly from the top ofleg portions 2004. Eachleg portion 2004 includes adiffusive area 2016 on the top of the leg portion nearoutput surface 2010.Diffusive areas 2016 help to scatter the light as it exits that part ofleg portions 2004 so the light uniformly illuminate a test strip above the leg portions. Aspace 2018 is defined betweenleg portions 2004 to view the test strip. -
FIGS. 23, 24, and 25 show various views of alight guide 2300 in some examples of the present disclosure.Light guide 2300 may be used as the light guides described in the present disclosure. -
Light guide 2300 includes a 45°reflective surface 2302, threereflective sidewall surfaces 2304 defining a space between them, and areflective base surface 2306.Reflective base surface 2306 defines aninput port 2307 that allows light to enter intolight guide 2300 from below. Reflective base surface defines acamera window 2308. -
FIG. 26 shows anaccessory 2600 for a mobile device 102 (e.g., mobile phone) in some examples of the present disclosure. Usingaccessory 2600 and software,mobile phone 102 is able to measure a characteristic of a test strip and correlate the characteristic to health information.Accessory 2600 includes atest strip adapter 2602 and auniversal phone adapter 2604. - Referring to
FIG. 27 ,test strip adapter 2602 includes a sheath having anupper part 2704 and alower part 2706. Atest strip 2708 is seated and affixed tolower part 2706, andupper part 2704 locks onto the lower part. The bottom oflower part 2706 defines atest strip opening 2707 to viewtest strip 2708.Lower part 2706 has aninsert 2712 that inserts into and frictionally locks to a port 2808 (FIG. 28 ) of universal phone adapter 2604 (FIG. 28 ). - Referring to
FIG. 28 ,universal phone adapter 2604 includes anadapter base 2802, alight guide 2804, and anadapter lid 2806.Adapter base 2802 defines alight port 2810 that is located over a portion of screen 110 (FIG. 1 ) ofmobile phone 102.Adapter base 2802 also defines acamera hole 2812 over camera 108 (FIG. 1 ) ofmobile phone 102.Adapter base 2802 includes auniversal clip 2814 to secureuniversal phone adapter 2604 to the top end ofmobile phone 102.Universal clip 2814 is dimensioned to fit over and secure to multiple mobile phone models. -
Light guide 2804 may be one of the light guides described in the present disclosure.Light guide 2804 is seated in and affixed toadapter base 2802.Adapter lid 2806 definesport 2808 that receives insert 2712 (FIG. 27 ) of test strip adapter 2602 (FIG. 27 ).Adapter lid 2806 locks ontoadapter base 2802. - From the foregoing, it will be appreciated that various embodiments of the present disclosure have been described herein for purposes of illustration, and that various modifications may be made without departing from the scope and spirit of the present disclosure. Accordingly, the various embodiments disclosed herein are not intended to be limiting, with the true scope and spirit being indicated by the following claims.
Claims (21)
1. A phone adapter in an accessory to a mobile device for measuring characteristics of a test strip, the phone adapter comprising:
a faceplate defining a camera opening to a camera of the mobile device;
a phone attachment for a mobile device model; and
a guide to a test strip carrier, a test strip adapter, or a coupler to the test strip adapter.
2. The phone adapter of claim 1 , wherein the phone adapter is a portion of a mobile device case, the portion defining the camera opening.
3. The phone adapter of claim 1 , wherein the phone adapter is a removable clip comprising spring clips extending from three sides of the faceplate.
4. The phone adapter of claim 1 , wherein the phone adapter is a cap or a portion of a case that fits a top end of the mobile device.
5. The phone adapter of claim 1 , wherein the faceplate has an adhesive on the backside of the faceplate.
6. The phone adapter of claim 1 , wherein the guide comprises a frame on the faceplate that matches a shape of the test strip carrier or adapter.
7. The phone adapter of claim 1 , wherein the guide comprises an interlock shared with other phone adapters for other mobile device models.
8. The phone adapter of claim 7 , wherein the test strip adapter or the coupler comprises another interlock that forms a mating pair with the interlock of the phone adapter.
9. The phone adapter of claim 1 , wherein the camera opening is configured to receive light transmitted from a portion of a screen of the mobile device.
10. A test strip adapter for a test strip, comprising:
a cap defining a cavity that is dimensioned to frictionally retain the test strip; and
a sheath comprising an interlock and defining (1) an open end to receive the cap and (2) a bottom opening to view the test strip.
11. A test strip adapter for a test strip, comprising:
a test strip cover to fit onto and retain the test strip; and
a cap to fit onto and retain the test strip cover, the cap comprising an interlock.
12. An accessory for a mobile device to measure characteristics of a test strip, the accessory comprising:
a test strip adapter comprising a sheath and a first interlock; and
a phone adapter comprising a second interlock, wherein the first interlock is configured to frictionally lock to the second interlock.
13. The accessory of claim 12 , wherein the sheath comprises an upper part and a lower part and is configured to receive a test strip in any of the upper part and the lower part.
14. The accessory of claim 13 , wherein one of the upper part and the lower part defines an opening to expose a portion of the test strip under a light transmitted from a portion of a screen of the mobile device.
15. The accessory of claim 12 , wherein the first interlock is an insert.
16. The accessory of claim 12 , wherein the phone adapter comprises:
a base;
a lid; and
a light guide disposed between the base and the lid.
17. The accessory of claim 16 , wherein the base defines a light port located over a portion of a screen of the mobile device and a camera hole over a camera of the mobile device.
18. The accessory of claim 17 , wherein the light port, the light guide, and the camera hole define a light path for a light transmitted from the mobile device through a light filter.
19. The accessory of claim 16 , wherein the base comprises a fastener that dimensionally fits over the mobile device to secure the phone adapter on the mobile device.
20. The accessory of claim 16 , wherein the lid defines a port, and the port is the second interlock.
21. The accessory of claim 12 , wherein the test strip adapter includes a cover, the cover defining a slot to receive the test strip.
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