# US 2020/0375543 A1 · Apparatus for improving usability and accuracy for physiological measurement

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- Number: US 2020/0375543 A1
- Document ID: US20200375543A1
- Status: Published application
- Kind: A1
- Application number: 16/494,315
- Filed: 2018-03-16
- Published: 2020-12-03
- Earliest claimed: 2017-03-17
- Assignees: Ixensor Co., Ltd.
- Applicants: iXensor CO., LTD.
- Inventors: Yenyu CHEN; Yao Ching TSAI; Jheng Long JIANG; Chieh Yu LIN; Chun Hun SHEN
- Web page: https://patentgrep.com/patent/US20200375543A1

## CPC

- A61B 5/6898: {Portable consumer electronic devices, e.g. music players, telephones, tablet computers}
- A61B 5/0059: {using light, e.g. diagnosis by transillumination, diascopy, fluorescence (photoacoustic A61B5/0093; optical measurement of heart rate A61B5/02416; optical measurement of blood flow A61B5/0261; optical measurement of analytes A61B5/1455)}
- A61B 5/14532: {for measuring glucose, e.g. by tissue impedance measurement}
- A61B 5/1455: using optical sensors, e.g. spectral photometrical oximeters
- A61B 5/150358: {Strips for collecting blood, e.g. absorbent}
- B01L 9/00: Supporting devices; Holding devices
- G01N 21/8483: {Investigating reagent band (test-element handling not specific to a test method G01N33/4875; analytical elements specific to chemical analysis of biological material G01N33/52; autometer with reagent band G01N35/04)}
- G01N 33/48778: {Containers specially adapted therefor, e.g. for dry storage}
- G03B 17/565: {Optical accessories, e.g. converters for close-up photography, tele-convertors, wide-angle convertors}
- A61B 2560/0233: Optical standards
- A61B 2562/0295: Strip shaped analyte sensors for apparatus classified in A61B5/145 or A61B5/157
- B01L 2300/041: Connecting closures to device or container
- B01L 2300/0825: Test strips
- G01N 21/78: producing a change of colour
- G01N 2201/0221: Portable; cableless; compact; hand-held
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- B01L: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)

## Abstract

Example apparatus are provided to measure characteristics of a test strip. The apparatus may include an accessory for a mobile device to measure characteristics of a test strip. The accessory may include a mobile device adaptor and a test strip adaptor. The mobile device adaptor may include a first sheath and a second sheath coupled to the first sheath to secure the mobile device. The test strip adaptor may be detachably coupled to the mobile device adapter. The test strip adaptor is configured to receive different types of test strips.

## Claims

### Claim 1

An accessory for a mobile device to measure characteristics of a test strip, the accessory comprising:
a mobile device adapter comprising:
a first sheath, wherein the first sheath further defines:
a camera hole corresponding to a camera of the mobile device to capture an image of a test strip placed in the test strip adaptor;
an illuminating screen opening corresponding to a first portion of a screen of the mobile device and configured to allow light from the first portion of the screen to illuminate the test strip placed in the test strip adaptor; and
a display screen opening corresponding to a second portion of the screen of the mobile device; and
a second sheath coupled to the first sheath to secure the mobile device; and
a test strip adapter detachably coupled to the mobile device adapter, wherein the test strip adaptor is configured to receive different types of test strips.

### Claim 2 (depends on 1)

The accessory of claim 1, wherein:
the mobile device adapter further comprises a set of guiding elements formed on the first sheath; and
the test strip adaptor further defines a set of main bracket guiding grooves, wherein the main bracket guiding grooves are configured to receive the guiding elements.

### Claim 3

(canceled)

### Claim 4 (depends on 1)

The accessory of claim 1, wherein the mobile device adapter further comprises:
a latch disposed between the first sheath and the second sheath; and
a knob coupled to the latch and disposed in a first sheath opening defined in the second sheath.

### Claim 5 (depends on 4)

The accessory of claim 4, wherein the second sheath further defines a latch guiding groove to receive the latch.

### Claim 6 (depends on 4)

The accessory of claim 4, wherein the test strip adapter further defines a set of latch housing to receive a latch protruding element of the latch so that the knob is configured to actuate a movement of the latch protruding element to lock the test strip adapter to the mobile device adaptor or to unlock the test strip adaptor from the mobile device adaptor.

### Claim 7

An accessory for a mobile device to measure characteristics of a test strip, the accessory comprising:
a mobile device adapter defining a camera hole and an illuminating screen opening; and
a test strip adapter configured to lock to the mobile device adapter, the test strip adaptor comprising:
a case defining a first inserting entry and a second inserting entry to receive a test strip;
a main bracket configured to engage with the case and defining a main detecting opening that corresponds to and is aligned with the camera hole and the illuminating screen opening;
a test strip bracket disposed in the main bracket and configured to receive the test strip inserted via the first inserting entry or the second inserting entry; and
a light guide configured to couple to a side of the main bracket.

### Claim 8 (depends on 7)

The accessory of claim 7, wherein the main bracket further comprises:
a first connecting element engaged with the case; and
a second connecting element and a pivot both secured with the light guide.

### Claim 9 (depends on 8)

The accessory of claim 8, wherein the case further defines a connecting opening to engage with the first connecting element.

### Claim 10 (depends on 8)

The accessory of claim 8, wherein the light guide further comprises a notch engaged with the pivot and defines a light guide connecting opening engaged with the second connecting element.

### Claim 11

An accessory for a mobile device to measure characteristics of a test strip, the accessory comprising:
a mobile device adapter defining a camera hole and an illuminating screen opening; and
a test strip adapter configured to couple to the mobile device adapter, the test strip adaptor comprising:
a case that defines a first inserting entry and a second inserting entry to receive a test strip;
a main bracket configured to engage with the case, wherein the main bracket defines a main detecting opening that corresponds to and aligns with the camera hole and the illuminating screen opening;
a test strip bracket configured to receive the test strip inserted from either the first inserting entry or the second inserting entry, wherein the test strip bracket defines at least one detecting opening; and
a light guide coupled to the main bracket.

### Claim 12 (depends on 11)

The accessory of claim 11, wherein the main bracket further comprises a first door engaged with a first torsion spring engaged with the main bracket, and the first door is operatively to move in response to the test strip being inserted from the first inserting entry.

### Claim 13 (depends on 11)

The accessory of claim 11, wherein the main bracket further comprises a second door, which when the second door is in a first position on the main bracket, the second door covers the main detecting opening, and in response to the test strip being inserted from the second inserting entry, the second door is operatively to move to a second position on the main bracket to leave the main detecting opening at least partially unobstructed.

### Claim 14 (depends on 11)

The accessory of claim 11, wherein the case further comprises a sliding module configured to slide from one side of the case to another side of the case to cover or reveal the second inserting entry.

### Claim 15 (depends on 14)

The accessory of claim 14, wherein the main bracket further comprises a lock engaged with a tension spring on the main bracket to lock the sliding module.

### Claim 16 (depends on 11)

The accessory of claim 11, wherein the test strip bracket further comprises a handle operatively configured to maintain the test strip bracket in a first state or a second state with respect to the main bracket, wherein:
in the first state, the at least one detecting opening is configured to align with the main detecting opening; and
in the second state, the main detecting opening is at least partially unobstructed from a second door of the main bracket.

### Claim 17 (depends on 16)

The accessory of claim 16, in the second state, in response to a first test strip being inserted from the first inserting entry, a first reaction area of the first test strip is aligned with the main detecting opening.

### Claim 18 (depends on 16)

The accessory of claim 16, in the second state, in response to a calibration test strip being inserted from the first inserting entry, a plurality of colored calibration blocks of the calibration test strip are aligned with the main detecting opening.

### Claim 19 (depends on 16)

The accessory of claim 16, in the first state, in response to a second test strip being inserted from the second inserting entry, a second reaction area of the second test strip is aligned with the second detecting opening and the main detecting opening.

### Claim 20 (depends on 16)

The accessory of claim 16, in the first state, in response to a third test strip being inserted from the second inserting entry, a third reaction area of the third test strip is aligned with the third detecting opening and the main detecting opening.