Prototype analysis of a low-power, small-scale wearable medical device
Wearable and portable devices are gaining significant popularity across consumer electronics as well as in medical and industrial fields. To ensure that these devices are both comfortable and appealing to users, they need to have low battery consumption and be compact in both size and weight. The EG...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Sciendo
2025-01-01
|
| Series: | Journal of Electrical Bioimpedance |
| Subjects: | |
| Online Access: | https://doi.org/10.2478/joeb-2024-0020 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832593589557788672 |
|---|---|
| author | Silva Pablo Dutra da Filho Pedro Bertemes |
| author_facet | Silva Pablo Dutra da Filho Pedro Bertemes |
| author_sort | Silva Pablo Dutra da |
| collection | DOAJ |
| description | Wearable and portable devices are gaining significant popularity across consumer electronics as well as in medical and industrial fields. To ensure that these devices are both comfortable and appealing to users, they need to have low battery consumption and be compact in both size and weight. The EGluco project is focused on developing a wearable device for non-invasive blood glucose monitoring. This multi-sensor device incorporates electrical bioimpedance spectroscopy as one of its measurement techniques. One of the earlier versions of the device was deemed unsuitable as a wearable due to its large size and high power consumption. To make the device more suitable for wearability, the previous hardware was assessed, and a new design was proposed that simplified the system’s power supply and reduced the operating voltage. This article presents two of these designs: an improved Howland current source with a supply voltage of 3.3 V, an output current of 250 μA, and the ability to conduct bioimpedance analysis up to 1 MHz using pulsed DIBS (Discrete Interval Binary Sequence) signals, and an instrumentation amplifier with the same supply voltage as the current source, a voltage gain of four, and a slew rate of 150 V/μs. By simplifying the power supply and implementing other changes, the device’s size was reduced to a single 5 × 5 cm circuit board, compared to the previous configuration of four separate boards connected by cables. |
| format | Article |
| id | doaj-art-06d00831fca84cd98980aea933e3d8d5 |
| institution | Kabale University |
| issn | 1891-5469 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Journal of Electrical Bioimpedance |
| spelling | doaj-art-06d00831fca84cd98980aea933e3d8d52025-01-20T11:09:57ZengSciendoJournal of Electrical Bioimpedance1891-54692025-01-0115116917610.2478/joeb-2024-0020Prototype analysis of a low-power, small-scale wearable medical deviceSilva Pablo Dutra da0Filho Pedro Bertemes11Electrical Engineering Department, State University of Santa Catarina, Santa Catarina, Brazil1Electrical Engineering Department, State University of Santa Catarina, Santa Catarina, BrazilWearable and portable devices are gaining significant popularity across consumer electronics as well as in medical and industrial fields. To ensure that these devices are both comfortable and appealing to users, they need to have low battery consumption and be compact in both size and weight. The EGluco project is focused on developing a wearable device for non-invasive blood glucose monitoring. This multi-sensor device incorporates electrical bioimpedance spectroscopy as one of its measurement techniques. One of the earlier versions of the device was deemed unsuitable as a wearable due to its large size and high power consumption. To make the device more suitable for wearability, the previous hardware was assessed, and a new design was proposed that simplified the system’s power supply and reduced the operating voltage. This article presents two of these designs: an improved Howland current source with a supply voltage of 3.3 V, an output current of 250 μA, and the ability to conduct bioimpedance analysis up to 1 MHz using pulsed DIBS (Discrete Interval Binary Sequence) signals, and an instrumentation amplifier with the same supply voltage as the current source, a voltage gain of four, and a slew rate of 150 V/μs. By simplifying the power supply and implementing other changes, the device’s size was reduced to a single 5 × 5 cm circuit board, compared to the previous configuration of four separate boards connected by cables.https://doi.org/10.2478/joeb-2024-0020wearableglucose noninvasive measuringenhanced howland current sourcelow voltage power supplyinstrumentation amplifier |
| spellingShingle | Silva Pablo Dutra da Filho Pedro Bertemes Prototype analysis of a low-power, small-scale wearable medical device Journal of Electrical Bioimpedance wearable glucose noninvasive measuring enhanced howland current source low voltage power supply instrumentation amplifier |
| title | Prototype analysis of a low-power, small-scale wearable medical device |
| title_full | Prototype analysis of a low-power, small-scale wearable medical device |
| title_fullStr | Prototype analysis of a low-power, small-scale wearable medical device |
| title_full_unstemmed | Prototype analysis of a low-power, small-scale wearable medical device |
| title_short | Prototype analysis of a low-power, small-scale wearable medical device |
| title_sort | prototype analysis of a low power small scale wearable medical device |
| topic | wearable glucose noninvasive measuring enhanced howland current source low voltage power supply instrumentation amplifier |
| url | https://doi.org/10.2478/joeb-2024-0020 |
| work_keys_str_mv | AT silvapablodutrada prototypeanalysisofalowpowersmallscalewearablemedicaldevice AT filhopedrobertemes prototypeanalysisofalowpowersmallscalewearablemedicaldevice |