ECG Logger - Lub Wearable Cardiac Monitor rau Lub Sijhawm Ntev Cov Ntaub Ntawv Tau Txais thiab Txheeb Xyuas: 3 Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:26

Thawj zaug tso tawm: Oct 2017 Qhov hloov tshiab kawg: 1.6.0 Cov xwm txheej: Nyuaj Nyuaj Nyuaj Siab: Yam yuavtsum tau kawm uantej: Arduino, Programming, Hardware building Unique repository: SF (saib qhov txuas hauv qab no) Txhawb nqa: Rooj sab laj nkaus xwb, tsis muaj PM

ECG Logger yog Wearable Cardiac Monitor rau Kev Tshawb Fawb Cov Ntaub Ntawv Ntev thiab Kev Tshawb Fawb. Txoj Haujlwm ECG Logger yog tsom rau muab tus nqi qis heev (~ 35 $) qhib-qhov (daim ntawv tso cai GPL3) cov cuab yeej khoos phis tawj thiab pub dawb (CC-BY-NC-NA daim ntawv tso cai) daim ntawv thov software rau Rhythmic Holter. Kev kho vajtse tau ua kom yooj yim heev thiab ua raws li "Arduino Nano" nrog ob lub rooj sib tham ua haujlwm rau SD daim npav thiab cov cuab yeej sib txawv ua kom nrov nrov. Nws pab saib xyuas kev mob plawv tsis xws luag xws li bradycardia, tachycardia, systoles ntxiv lossis ncua. Tsis muaj qhov xwm txheej twg nws tuaj yeem siv los hloov kev tshuaj xyuas kws kho mob.

ECG Logger Viewer yog cov software siv los nyeem ECG cov ntaub ntawv los ntawm ECG Logger ntaus ntawv

=> Txoj cai kev nyab xeeb cuam tshuam nrog cov khoom siv hluav taws xob yuav tsum ua raws thiab tsis muaj kev sib txuas ncaj qha lossis tsis ncaj* yuav tsum ua los ntawm Holter lub cuab yeej thiab cov khoom siv txuas nrog lub hauv paus (* piv txwv li thaum lub cuab yeej txuas nrog lub USB chaw nres nkoj ntawm lub PC siv los ntawm lub hauv paus).

DISCLAIMER: *** RISK ELECTRICAL SHOCKS AND DEATH ***

Cov neeg tsis muaj txuj ci, tsis paub lossis tsis paub txog kev pheej hmoo hluav taws xob tau poob siab kom koom nrog.

Txoj haujlwm no yog muab rau kev qhia/kev kawm thiab tsis muaj teeb meem rau kev lag luam lossis kev kuaj mob. Kev siv cov ntaub ntawv xov xwm no yog nyob rau hauv ENTIRE thiab SOLE RESPONSIBILITY of the USERS. Nws tsis tau txais kev pom zoo rau txhua yam kev thov.

Kauj Ruam 1: ECG Logger - Holter Device

Nqe lus piav qhia luv

ECG Logger ua kom muaj kev daws teeb meem tag nrho suav nrog lub hnab tshos-loj ECG cov cuab yeej kaw suab khoos phis tawj nrog lub khoos phis tawj ruaj khov. Lub teeb liab ECG tau sau cia rau hauv SD daim npav nco ntawm qhov ntau zaus (250Hz tus qauv piv txwv). Cov cuab yeej tau txhawb nqa los ntawm cov thev naus laus zis tsis ntev los no muab kev ywj pheej ntau dua thiab raug rau mus txog 24 teev kaw cia tas li.

Lub kaw lus yog ua raws "Arduino Nano" microcontroller, AD8232 Lub Plawv Tus Kheej Saib Xyuas lub suab nrov thiab lub SPI SD daim npav module nrog yam tsawg kawg nkaus ntxiv

Nta

• Ruaj khov thiab txhim khu kev qha kaw suab, raws li lub xeev-of-the-art thiab cov cuab yeej siv tshiab tshaj plaws
• Anti-jamming thiab anti-shock
• Me me
• Waveform cov ntaub ntawv thiab kev tshwm sim cim
• Cov ntaub ntawv pib lub sijhawm raug thiab ua piv txwv cov ntaub ntawv
• Built-in SD card rau kev cia (tuaj yeem ntsaws thiab rub tawm)
• Tsis tas yuav xav tau cov ntaub ntawv qub, ua tsaug rau lub peev xwm loj
• Ceev USB 2.0 interface
• Sau cov lus qhia ntxaws raws li qhov tseeb thiab qhov piv txwv ntau zaus
• Sau lub xeev tus neeg siv lub tshuab pacemaker siv cov qauv ntsuas ntau dua.
• Tsis siv neeg RR peaks nrhiav pom siv Pan-Tompkins.
• Tus txheej txheem thoob ntiaj teb ntawm 3 tus coj. Sau txog 24-teev ntawm ECG teeb liab.
• Yooj yim heev thiab ergonomic neeg siv interface

TSEEM CEEB: Qhov haujlwm no yog Open-Source tau ntawv tso cai rau kev kawm nkaus xwb thiab tsis muaj ib qho ntawm nws cov khoom siv tuaj yeem siv lossis rov qab siv rau lub hom phiaj kev lag luam lossis daim ntawv thov.

USB tsav tsheb yuav tsum tau teeb tsa hauv lub khoos phis tawj ua ntej Holter (Arduino Nano) txuas. Qee tus Arduino siv FTDI chipset hos qee cov khoom lag luam hauv Suav xav tau CH340 chipset. Tus tsav tsheb sib xws yuav tsum rub tawm thiab teeb tsa hauv computer. Nyem Pib >> Tswj Vaj Huam Sib Luag >> Tus Thawj Tswj Ntaus Ntawv, thiab hauv cov npe khoom siv saib rau Com Ports (piv txwv li USB-SERIAL CH340).

Kev qhia tshwj xeeb

• Cov Naj Npawb: 1
• Lead: standard 3-lead
• Sampling Rate: 250 Hz
• Sampling Qhov tseeb: 10-ntsis / 8-ntsis xaiv tau
• Teev Sijhawm: txog 24 Teev
• Lub sijhawm raug: +/- 1 feeb hauv ib hnub
• Kev sib txuas: USB 2.0 (230 kbauds)
• Nplai Voltage: 1 mV ± 5%
• Rhiab heev valve: ≤20μV
• Qhov qis tshaj qhov teeb liab: 50 μ Vpp
• Kev tawm tswv yim Impedance: ≥ 1GΩ
• Cov tswv yim hluav taws xob tsis ncaj ncees tam sim no: ≤ 0.1 μA
• Lub suab nrov: ≤ 10 μ Vpp (0.1 Hz txog 40 Hz)
• Hom-Hom Kev Tsis Txaus Siab:> = 60 dB (DC rau 60Hz)
• Electrode offset rejection: m 300 mV
• Voltage kam rau ua: ± 500 mV
• Lub sijhawm tas li: ＞ 3.2 s (0.3Hz)
• Teb zaus: 0.05 ~ 125 Hz
• Lim: AC, EMG, Lim Lim, RFI
• Nyuaj nrhiav QRS: Pan & Tompkins algorithm
• Kev Nyab Xeeb Tib Neeg Lub Cev Qauv: 8 kV ESD (HBM)

Lub Cev Tsis Zoo:

• Hom B: siv sab hauv
• Loj (L x W x H): 100 x 60 x 25 hli
• Net nyhav (w/o roj teeb): 65 g
• Qhov hnyav nrog roj teeb: 111g
• Qhov hnyav tag nrho: 195 g (suav nrog tus nqa khoom/hluav taws xob)
• Lub zog: 4 x AAA roj teeb
• Kev ywj pheej:> 30 teev nrog cov roj teeb Alkaline

Qhov nruab nrab noj:

• Hom qub: 17 mA (Standby)
• Pw tsaug zog hom: 6.2 mA
• Cov ntaubntawv povthawj siv hom: 31 mA (~ 36 teev - nyob ntawm SD Card)

Kauj Ruam 2: ECG Logger Viewer - Tus Txheeb Xyuas Cov Ntaub Ntawv

Nqe lus piav qhia luv

ECG Logger Viewer yog Holter ntaus ntawv ua ke thov rau rub tawm, txheeb xyuas cov ntaub ntawv thiab tswj hwm cov neeg mob.

• TSHIAB: Version 2 nrog kev ua tau zoo dua qub (yuav tsum tau ECG Logger FW v1.6.0+)
• Kev hloov pauv lub plawv dhia (HRV)
• R-ncov kev tshawb pom thiab kev faib tawm arrythmia
• Arrythmia: Bracardia, Tachycardio, Extrasystoles thiab Pauses
• Tshawb nrhiav ECG cov khoom cuav
• Saib ua ntej thiab luam tawm ntawm ECG teeb liab thiab txheeb cais
• Cov ntaub ntawv xa tawm hauv EDF/BDF hom ntawv
• Kev sib tham hauv Askiv, Fab Kis thiab Suav
• Tsis siv neeg firmware hloov tshiab
• ECG kev taw qhia los ntawm hom arryhtmia lossis txoj haujlwm sijhawm
• TSEEM CEEB: tsuas yog ua haujlwm nrog "ECG Logger" Holter ntaus ntawv. Yuav tsum tau "ECG Logger" Holter ntaus ntawv version 1.6 lossis siab dua
• Portable version txhawb los ntawm v2.0

SOFTWARE

Software khiav hauv Windows thiab txhawb nqa 3 yam lus sib txawv. Khiav lub installer thiab nyeem cov ntaub ntawv Pab.

TSHIAB VERSION v2.1.0.7 SF yog qhov chaw tshwj xeeb rau "ECG Logger Viewer" daim ntawv thov rub tawm.

Kauj Ruam 3: Txhim Kho Lub Ntaus Ntawv

Nqe lus piav qhia luv

HARDWARE

Cov khoom siv hluav taws xob tau ua kom yooj yim li sai tau thiab tsis xav tau PCB. Ib qho yooj yim ntawm Veroboard tuaj yeem ua txoj haujlwm.

FIRMWARE

Koj yuav tsum tso Arduino Nano nrog HEX. Txoj cai siv 99% ntawm lub cim xeeb thiab cov bootloaders tshiab tuaj yeem tiv thaiv kev rub tawm lub firmware yog tias muaj qhov loj dua.

SF yog qhov chaw tshwj xeeb rau "ECG Logger" ntaus ntawv Firmware rub tawm.

Nco tseg txog HEX cov ntaub ntawv thiab Arduino bootloader

Arduino Nano muaj 32K Flash nco thiab lub bootloader siv 2K. Los ntawm qhov seem 30K (30 720 B) ntawm Flash, cov firmware siv 30 692 Bytes tawm tsawg heev bytes dawb!

Muaj ob qhov sib txawv bootloaders (xaiv los ntawm Arduino IDE >> Cuab Yeej >> Txheej Txheem):

ATmega328P (Old Bootloader) yog "ATmegaBOOT" bootloader thiab cia siab tias kev sib txuas lus upload ntawm 57600 baud

ATmega328P yog "Optiboot" bootloader cia siab tias kev sib txuas lus upload ntawm 115200 baud

Qhov tseeb Arduino Nano tau muab nrog Optiboot bootloader, cov ntawv suav (siv USB chipset CH341) tau ntim nrog ATmegaBOOT bootloader. Txoj kev sib txuas lus kev sib txuas lus sib txawv!

NCO TSEG: Tam sim no cov ntaub ntawv HEX tau tsim rau Arduino nrog "ATmegaBOOT" bootloader tab sis kuj tseem ua haujlwm nrog Optiboot ib yam nkaus.