GB2595171A - Ring-shaped biometric signal sensing device - Google Patents
Ring-shaped biometric signal sensing device Download PDFInfo
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- GB2595171A GB2595171A GB2111766.8A GB202111766A GB2595171A GB 2595171 A GB2595171 A GB 2595171A GB 202111766 A GB202111766 A GB 202111766A GB 2595171 A GB2595171 A GB 2595171A
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/282—Holders for multiple electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6825—Hand
- A61B5/6826—Finger
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0209—Operational features of power management adapted for power saving
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0006—ECG or EEG signals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
Abstract
A ring-shaped biometric signal sensing device according to an embodiment of the present invention comprises: a first electrode (10), which is provided in a ring shape, is formed of conductors, and is fitted on a user's finger so as to make contact with the finger; a second electrode (20), which is assembled on the outside of the first electrode (10), is formed of conductors, and makes contact with the user's body; an insulation unit (30), which includes the first electrode (10) and is insert-injected so as to maintain insulation between the first electrode (10) and the second electrode (20); and a control unit (40), which is arranged in the insulation unit (30), includes a biometric sensor, and collects biometric signals when the second electrode (20) makes contact with the user's body. [Representative drawing] figure 3
Description
[DESCRIPTION] [Invention Title]
RING-SHAPED BIOMETRIC SIGNAL SENSING DEVICE
[Technical Field]
[1] The present disclosure relates to a biometric signal sensing device for sensing and collecting a biometric signal such as an electrocardiogram and blood pressure.
[Background Art]
[2] In general, an electrocardiogram sensing device is an important tool widely used for clinical diagnosis of heart disease and can be used to diagnose symptoms such as myocardial infarction and pulmonary embolism [3] In particular, people with or suspected of having heart disease need to detect or give early warning of sudden cardiac abnormalities [4] The electrocardiogram sensing device attaches an electrode to the body and detects minute electrical signals generated when the heart beats.
[5] Such a conventionally known electrocardiogram sensing device is inconvenient to wear because a device such as an electrode has a conspicuous size and is too large.
[6] Conventionally, a wearable device for detecting biometric signals such as blood pressure has been proposed, and in this regard, most wearable deices are worn on the wrist, and since the wearable device does not have a configuration for allowing the device to come into contact with other body parts other than a body part on which the device is worn, the reliability of the electrocardiogram data is low. 11.
[7] In another aspect, when an electrocardiogram is measured, gel is applied to the body of a patient, which may cause discomfort to the patient.
[8] [Prior Art Document]
[9] [Patent Document] [10] [11] (Patent Document 1) KR 10-1842915 B1 [12] (Patent Document 2) KR 10-1798495 B1 [13] (Patent Document 3) KR 10-1726613 B1 [14] (Patent Document 4) US 2W8/0020977 M [15] [16] [Non-patent Document] [17] (Non-patent Document 1) Design and implementation of real-time blood pressure measurement system using smartphone, Young-Jun Gil, Jeong-Tae Lee, ISSN 2383-6318(Print)/ISSN 2383 -6326(Online), KIISE Transactions on Computing Practices, Vol. 21, No. 3, pp. 192-214, 2015. 3, http://dx doi. org/10.5626/KTCP.2015.21.3.192
[Disclosure]
scl osure [ [Technical Problem] [18] Therefore, the present disclosure has been made in view of the above problems, and it is one object of the present disclosure to provide a ring-shaped biometric signal sensing device for detecting an electrocardiogram and blood pressure.
[19] It is another object of the present disclosure to provide a ring-shaped biometric signal sensing device worn on a finger and having an ultra-compact external size to minimize wearing discomfort.
[Technical Solution] [20] In accordance with one aspect of the present disclosure, provided is a ring-shaped biometric signal sensing device including a first electrode 10 provided in a ring shape, formed of a conductor, and put on a finger of a user to be in contact with the finger, a second electrode 20 assembled on an outside of the first electrode 10, formed of a conductor, and in contact with a body of the user, an insulating unit 30 molded with the first electrode 10 through insert injection and maintaining insulation between the first electrode 10 and the second electrode 20, and a controller 40 disposed in the insulating unit 30, including a biometric sensor, and configured to collect a biometric signal when the second electrode 20 comes into contact with the body of the user.
[21] In the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure, the biometric signal may be any one of an electrocardiogram signal, a blood pressure signal, and a pulse signal.
1221 In the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure, the controller 40 may include a communication terminal connected to a communication terminal and configured to transmit data of the biometric signal.
[23] The controller 40 of thering-shaped biometric signal sensing device according to an embodiment of the present disclosure may detect the biometric signal of the user or may transmit the collected data when the user repeats contact and release of the second electrode 20 once or twice in a row.
[24] In the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure, a rim 12 may be formed at an outer periphery of the first electrode 10, an insulating layer may be formed on the rim 12, and the first electrode 10 and the second electrode 20 may be insulated from each other through the insulating layer.
[25] In the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure, the insulating unit 30 may be formed of a flexible material, and a portion of the insulating unit 30 may be placed through the first electrode to be close contact with the finger of the user.
[26] Details of other embodiments are included in the detailed description and drawings.
[Advantageous Effects] [27] The ring-shaped biometric signal sensing device according to an embodiment of the present disclosure configured as above may detect a biometric signal such as an electrocardiogram and blood pressure [28] The ring-shaped biometric signal sensing device according to an embodiment of the present disclosure may minimize wearing discomfort by providing an external size that is ultra-compact enough to be worn on the finger.
[29] The ring-shaped biometric signal sensing device according to the embodiment of the present disclosure may improve the reliability of collected biometric signal by minimizing an error when a first electrode is securely attached to the finger of the user to secure the biometric signal.
[30] The ring-shaped biometric signal sensing device according to the embodiment of the present disclosure may be more convenient for a patient because it is not necessary to apply gel or the like to the body of the patient when an electrocardiogram is measured.
[Description of Drawings]
[31] FIG. 1 is a diagram for explaining a ring-shaped biometric signal sensing device according to an embodiment of the present disclosure.
[32] FIG. 2 is a diagram for explaining main components of a ring-shaped biometric signal sensing device according to an embodiment of the present disclosure.
[33] FIG. 3 is a cross-sectional view for explaining the internal configuration of a ring-shaped biometric signal sensing device according to an embodiment of the present disclosure.
[34] FIG 4 is a diagram for explaining aring-shaped biometric signal sensing device according to another embodiment of the present disclosure.
[35] FIG. 5 is an exploded diagram for explaining main components of a ring-shaped biometric signal sensing device according to another embodiment of the present disclosure.
FIG. 6 is a cross-sectional view for explaining the internal configuration of a ring-shaped biometric signal sensing device according to another embodiment of the
present disclosure
[Best Model [37] The attached drawings for illustrating exemplary embodiments of the present 2 0 disclosure are referred to in order to gain a sufficient understanding of the present disclosure, the merits thereof, and the objectives accomplished by the implementation of the present disclosure.
[38] Hereinafter, an embodiment of the present disclosure will be described in detail with reference to the accompanying drawings. It should be understood that the embodiments described below are illustratively shown to aid in understanding of the present disclosure, and that the present disclosure is implemented with various modifications different from the embodiments described herein. However, in the following description of the present disclosure, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present disclosure unclear. In addition, the accompanying drawings are not drawn to scale, but the size of some components may be exaggerated to aid in understanding of the invention 1391 Terms such as "first" and "second" are used herein merely to describe a variety of constituent elements, but the constituent elements are not limited by the terms.
The terms are used only for the purpose of distinguishing one constituent element from another constituent element. For example, a first element may be termed a second element and a second element may be termed a first element without departing from the teachings of the present disclosure 1401 The terms used in the specification are defined in consideration of functions used in the present disclosure, and can be changed according to the intent or conventionally used methods of producers. Accordingly, definitions of the terms should be understood on the basis of the entire description of the present specification.
1411 Like reference numerals in the specification denote like elements 1421 Hereinafter, a ring-shaped biometric signal sensing device according to an embodiment of the present disclosure will be described with reference to FIGS. 1 to 3.
FIG. 1 is a diagram for explaining a ring-shaped biometric signal sensing device according to an embodiment of the present disclosure. FIG. 2 is a diagram for explaining main components of a ring-shaped biometric signal sensing device according to an embodiment of the present disclosure. FIG. 3 is a cross-sectional view for explaining the internal configuration of a ring-shaped biometric signal sensing device according to an embodiment of the present disclosure.
[43] [Description of reference numerals]
[44] 10, 20: first and second electrodes 30 insulating unit [45] 40: top cover 50 controller [46] 60: printed circuit board 70: battery [Mode for Invention] [47] A mg-shaped biometric signal sensing device according to an embodiment of the present disclosure may include first and second electrodes 10 and 20, an insulating unit 30, and a controller 40.
[48] The first electrode 10 may be provided in a ring shape, may be formed of a conductor, and may be worn on the finger of a user to be in contact with the finger.
1491 the second electrode 20 may be assembled on the outside of the first electrode 10, may be formed of a conductor, and may come into contact with the body of the user.
[50] The insulating unit 30 may be disposed between the first electrode 10 and the second electrode 20 to maintain insulation between the first electrode 10 and the second electrode 20 A biometric sensor may be provided at one side of the insulating unit 30.
[51] The biometric sensor may measure a biometric signal such as an electrocardiogram (ECG) and photoplethysmography (PPG) [52] Blood pressure may be monitored and managed in real time using such a biometric signal, thereby contributing to prevention of hypertension.
[53] The controller 40 may be disposed between the first electrode 10 and the second electrode 20, and may collect a biometric signal when the second electrode 20 comes into contact with the body of the user except for the finger.
1541 The second electrode 20 may be configured in an arc shape and a top cover may be provided at one side of the second electrode 20.
1551 The second electrode 20 may be assembled near a side of the first electrode or the insulating unit 30, and the top cover 50 may be assembled on an opposite side.
1561 A printed circuit board 60 and a battery 70 may be mounted inside the second electrode 20.
[571 The printed circuit board 60 may be formed of a flexible material, and the controller 40 may be mounted thereon 1581 A communication module for communication with an external electronic 1 0 device may be mounted on the printed circuit board 60 [591 The battery 70 may supply power to the first and second electrodes 10 and to cause current to flow therein and may supply power to the printed circuit board 60 as well as the controller 40 1601 The ring-shaped biometric signal sensing device according to an embodiment of the present disclosure as configured above may be worn on the finger of the user.
1611 A biometric signal may be detected by placing the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure on any one part of the body while the user puts the ring-shaped biometric signal sensing device on his or her finger.
1621 In more detail, minute current may be generated while the heart is beating, and the intensity of the minute current changes over time, and in this regard, information on the intensity of the current, etc. may be transferred to the controller 40 through the first electrode 10 or the second electrode 20, and the controller 40 may collect and store the received information on the current change.
1631 The collected current change may be represented in an electrocardiogram graph over time, and a health status, etc. of the heart may be analyzed by analyzing the characteristics of the electrocardiogram graph 1641 The electrocardiogram graph may include P wave, QRS wave (QRS group, QRS complex), T wave, and U wave The blood pressure sensor may secure a biometric signal such as blood pressure and pulse transferred through the blood vessels of the finger.
1651 That is, the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure may detect a biometric signal such as an electrocardiogram, blood pressure, and a pulse.
1661 The ring-shaped biometric signal sensing device according to an embodiment of the present disclosure may minimize wearing discomfort by providing an external size that is ultra-compact enough to be worn on the finger.
1671 lhe controller 40 of the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure may include a communication module that is connected to a communication terminal to transmit data of the biometric signal 1681 The communication terminal may be a smartphone, a tablet PC, a laptop computer, a desktop, an electronic device connected to a network, etc. 1691 The communication terminal may be a communication component for implementing wired communication or wireless communication.
1701 Thus, the user may usually collect and store biometric signals and may then transmit the collected data to the communication terminal or may contact a designated medical service and transmit the data thereto A medical institution may diagnose physical health of the user by examining the data of the user's biometric signal received through the communication terminal or the medical service.
[71] That is, it may be convenient for the user to continuously collect and store biometric signals during daily life, and a doctor may diagnose disease based on more data to significantly improve the accuracy of diagnosis [72] The controller 40 of the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure may detect the biometric signal of the user or may transmit the collected data when the user repeats contact and release of the second electrode 20 once or twice in a row.
1731 That is, when the user does not stimulate the second electrode 20, the controller 40 may stop operating, and when the user stimulates the second electrode 20, the controller 40 may operate according to a signal of the stimulation.
[74] In response to the stimulus, for example, if an action such as tapping the second electrode 20 is performed twice in a row, it may be understood that an electrocardiogram signal and a pulse wave signal are collected.
[75] If there is no external stimulus for a set period of time, the ring-shaped biometric signal sensing device according to an embodiment of the present disclosure may switch to a power saving state to prevent battery power from being consumed [76] The electrocardiogram sensor ring according to an embodiment of the present disclosure may be provided in various ways with different inner diameters, and for example, may be provided in 7 types for each size.
[77] According to another aspect, the insulating unit 30 may be formed of a flexible material, and a portion of the insulating unit 30 may be placed through the first electrode 10 to be close contact with the finger of the user.
[78] The flexible material may be silicon or a rubber material, and thus when the finger is inserted into the first electrode 10, a portion of the insulating unit 30 may protrude inwards to be in close contact with the finger, and thus the first electrode 10 may be in stronger and more reliable contact with the skin of the finger.
1791 That is, the ring-shaped biometric signal sensing device according to the embodiment of the present disclosure may improve the reliability of the collected biometric signal by minimizing an error when the first electrode 10 is securely attached to the finger of the user to secure the biometric signal.
1801 Hereinafter, a ring-shaped biometric signal sensing device according to another embodiment of the present disclosure will be described with reference to FIGS. 4 to 6. FIG. 4 is a diagram for explaining a ring-shaped biometric signal sensing device according to another embodiment of the present disclosure. FIG. 5 is an exploded 1 0 diagram for explaining main components of a ring-shaped biometric signal sensing device according to another embodiment of the present disclosure. FIG. 6 is a cross-sectional view for explaining the internal configuration of a ring-shaped biometric signal sensing device according to another embodiment of the present disclosure.
1811 The ring-shaped biometric signal sensing device according to another embodiment of the present disclosure may be configured by further installing the second electrode 20 at the first electrode 10 in the ring-shaped biometric signal sensing device according to the aforementioned embodiment of the present disclosure.
1821 As shown in FIG. 5, the rim 12 may be formed at an outer periphery of the first electrode 10 and an insulating layer may be formed on the rim 12 1831 That is, when the first electrode 10 is assembled on the outside of the second electrode 20, the first electrode 10 and the second electrode 20 may be insulated from each other through the insulating layer.
1841 The insulating layer may be formed by depositing tin to form a UV coating layer, and the coating layer may be 0.1 mm thick.
1851 As described above, the thickness and external size of the ring-shaped structure may be minimized by assembling the first electrode 10 and the second electrode 20 to be in direct contact with each other.
1861 The first and second electrodes 10 and 20 may be formed of stainless steel or conductive nanoparticles and may be coated with gold, silver, etc Accordingly, the user may feel as though they were wearing a gold ring or a silver ring to minimize a sense of unfamiliarity experienced by the user and may conduct electricity well with the body.
1871 The first electrode 10 may be molded together with the insulating unit 30 through insert injection, and the controller 40 may be disposed within the insulating unit 30 1881 As shown in FIG. 6, the printed circuit board 60 and the battery 70 may be mounted within the second electrode 20.
1891 Although embodiments of the present disclosure have been described above with reference to the accompanying drawings, it should be understood that those skilled in the art to which the present disclosure pertains can implement the present disclosure in other specific forms without changing the technical spirit or essential features thereof 11 Therefore, it should be understood that the embodiments described above are illustrative and not restrictive in all respects, and the scope of the present disclosure is defined by the following claims, all changes or modifications derived from derived from meaning and scope of the claims and their equivalents should be construed as being
included in the scope of the present disclosure.
[Industrial Availability] 1911 A ring-shaped biometric signal sensing device according to an embodiment of the present disclosure may be worn on the finger of a user and may contact the body of the user to measure an electrocardiogram, a pulse, blood pressure, etc.
Claims (1)
- [CLAIMS] [Claim 1] A ring-shaped biometric signal sensing device comprising: a first electrode (10) provided in a ring shape, formed of a conductor, and worn on a finger of a user to be in contact with the finger; a second electrode (20) assembled on an outside of the first electrode (10), formed of a conductor, and in contact with a body of the use an insulating unit (30) molded with the first electrode (10) through insert injection and maintaining insulation between the first electrode (10) and the second electrode (20); and a controller (40) disposed in the insulating unit (30), including a biometric sensor, and configured to collect a biometric signal when the second electrode (20) comes into contact with the body of the user.[Claim 2] The ring-shaped biometric signal sensing device of claim 1, wherein the biometric signal is any one of an electrocardiogram signal, a blood pressure signal, and a pulse signal.[Claim 3] The ring-shaped biometric signal sensing device of claim 1, wherein the controller (40) comprises a communication module connected to a communication terminal and configured to transmit data of the biometric signal.[Claim 4] The ring-shaped biometric signal sensing device, wherein a rim (12) is formed at an outer periphery of the first electrode (10), an insulating layer is formed on the rim (12), and the first electrode (10) and the second electrode (20) are insulated from each other through the insulating layer.[Claim 5] The ring-shaped biometric signal sensing device of claim 1, wherein the insulating unit (30) is formed of a flexible material, and a portion of the insulating unit (30) placed through the first electrode (10) to be close contact with the finger of the user.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20190004856 | 2019-04-25 | ||
| PCT/KR2020/003666 WO2020218741A1 (en) | 2019-04-25 | 2020-03-18 | Ring-shaped biometric signal sensing device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB202111766D0 GB202111766D0 (en) | 2021-09-29 |
| GB2595171A true GB2595171A (en) | 2021-11-17 |
| GB2595171B GB2595171B (en) | 2023-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2111766.8A Active GB2595171B (en) | 2019-04-25 | 2020-03-18 | Ring-shaped biometric signal sensing device |
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| GB (1) | GB2595171B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021006294A1 (en) | 2021-12-21 | 2023-06-22 | Johann Wolfgang Reiner Grünter | Portable vital meter |
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| KR20160029412A (en) * | 2014-09-05 | 2016-03-15 | 삼성전자주식회사 | Apparatus and method for detecting biological signal |
| US20160350581A1 (en) * | 2015-06-01 | 2016-12-01 | Sandisk Technologies Inc. | Smart Ring with Biometric Sensor |
| KR20170089684A (en) * | 2016-01-27 | 2017-08-04 | 크루셜텍 (주) | Ring type healthcare device |
| US20170235332A1 (en) * | 2013-11-29 | 2017-08-17 | Motiv Inc. | Wearable computing device |
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2020
- 2020-03-18 GB GB2111766.8A patent/GB2595171B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170235332A1 (en) * | 2013-11-29 | 2017-08-17 | Motiv Inc. | Wearable computing device |
| KR20160015050A (en) * | 2014-07-30 | 2016-02-12 | 엘지전자 주식회사 | Mobile terminal |
| KR20160029412A (en) * | 2014-09-05 | 2016-03-15 | 삼성전자주식회사 | Apparatus and method for detecting biological signal |
| US20160350581A1 (en) * | 2015-06-01 | 2016-12-01 | Sandisk Technologies Inc. | Smart Ring with Biometric Sensor |
| KR20170089684A (en) * | 2016-01-27 | 2017-08-04 | 크루셜텍 (주) | Ring type healthcare device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102021006294A1 (en) | 2021-12-21 | 2023-06-22 | Johann Wolfgang Reiner Grünter | Portable vital meter |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202111766D0 (en) | 2021-09-29 |
| GB2595171B (en) | 2023-06-14 |
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