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ANSWatch-Mini

Executive summary

  • Development history

  • Main function

  • Targeted user

  • Advanced feature

  • Main function - wearing procedure

  • Main function - <BP+HRV Test>

  • Main function - <Realtime Test>

  • Main function - How to take a <Realtime Test>

  • ​​ANSWatch-Mini Test Demo video

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Development history

  • ANSWatch-Full-Size wrist monitors were co-developed  from 2003 by Sun Scientific (Utah, USA), Taiwan Scientific (Taipei, Taiwan), Medical Physics (Utah, USA), Lynn Health Science Institute (Oklahoma, USA), Industrial Technology Research Institute ITRI (Taiwan), and Academia Sinica (Taiwan).

  • ANSWatch** wrist monitors have been approved or certified by US FDA, European CE, Taiwan FDA, ISO 13485, and EN 60601 as they meet the efficacy and safety requirements of Type-2 medical device as evidenced by several human clinical trials (** also registered as HRVWatch wrist monitor  with US FDA)

  • Since 2009, ANSWatch-Full-Size wrist monitors have been used in more than 200 hospitals/clinics/universities worldwide.  More than 30 journal papers/MS or PH.D. thesis have been published.

  • As mobile technology progresses, ANSWatch-Mini wrist monitor is emerged as the  next-G ANSWatch smart watch series

  • ANSWatch-Mini is formally released in March, 2019.

Main function 

ANSWatch-Mini measures the following physiological parameters while sitting or lying in 6 minutes:

  • Blood pressures (systolic and diastolic)

  • Heart rate

  • Heart rate variability (HRV; related to activities of the autonomic nervous system ANS)

  • Irregular heartbeats IRRHB

  • 5-minute continuous pulse wave

Targeted  user

This mobile medical device is a must-have home monitor for personal health management.  In particular, ANSWatch-Mini is most useful for people who are concerned with:

  • Irregular heartbeat 

  • Autonomic nervous system ANS imbalance (dysautonomia)

  • Hypertension or  Hypotension

  • Tachycardia (fast heartbeat) or Bradycardia (slow heartbeat)

  • Stress or sleep disorder

  • prescription drug side effect

  • performer's anxiety

Advanced feature

  • ANSWatch-Mini employs a biosensor array embedded in the wearing cuff,  a similar technology used in ultrasound imaging (world first, global patent protection)

  • Bluetooth wireless communication enabled

  • Continuous non-invasive 5-minute pulse wave recording, thanks to the bio-sensor array (world first in smart watches, global patent protection)

  • Artificial intelligence (AI) for auto detection of  irregular heartbeats IRRHB (including all types of arrhythmias)

  • Artificial intelligence (AI) for auto ranking of measured physiological parameters based upon our vast clinical database (world first for smart watches)

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Main function - Wearing procedure (View the demo video now)

Wearing procedure and testing posture (You must follow this instruction, or the test will fail)

  • Referring to Fig 1 -1 below, wear ANSWatch-Mini on your left wrist. Follow these key points when wearing: (i) Both the palm and the device should face up-straight (ii) The centerlines of the palm and the device body should be aligned; the power button is close to the body (iii) The front edge of the wearing cuff should be at the dividing line between wrist and palm (slight coverage of the palm by the cuff is most ideal) (iv)Pull and close the cuff firmly when the conditions of (i) through (iii) are met (do not leave a space between the wrist and the cuff), and (v) Move the left hand around and confirm that ANSWatch is securely fastened on the wrist (if ANSWatch is judged too loose, open the cuff and repeat the above procedures). Common wearing mistakes to avoid are shown in Fig 1-2, 1-3, and 1-4.

  • For rare situations where wearing on the left wrist is unavailable, turn ANSWatch-Mini 180 Degree and wear the device on the right wrist (see Fig 1-5; the power button is now away from the body; This position will allow the alignment of biosensors in the cuff with the radial artery location). Please consult with your physicians or our staff for such unusual circumstances.

  • Sitting or lying positions are suitable. In either posture, ensure that the left wrist is at the similar height as the heart. Once selecting a posture, stick to it for subsequent tests

  • It is a requirement to place the soft yellow pillow (provided) under the wrist (not the palm) to add comfort and maintain stability.  In such a position, the palm is elevated in air and bent naturally downward for strong pulse signals. Fingers can make a soft grasp or extend loosely.

  • During test, keep the shoulder and arm relaxed.  Do not talk or move.

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Fig 1 : (1) Correct wearing (on left wrist; Power button close to body; mid-lines aligned; front edge of cuff at wrist-palm separation line) (2) Incorrect wearing (front edge of cuff away from wrist-palm separation line (3) Incorrect wearing (device centerline is not at wrist centerline; too much left) (4) Incorrect wearing (device centerline is not at wrist centerline; too much right) (5) Correct wearing (on right wrist; Power button away from body; mid-lines aligned; front edge of cuff at wrist-palm separation line)

Main function - <BP+HRV Test> (the complete test; View the demo video now)

  • Referring to Fig 1 -1 above for wearing procedure and testing posture

  • Open ANSWatch app on your phone or tablet, tap <BP+HRV Test > 

  • The test takes about 6 minutes to finish.  Do not move or talk during test.

  • When done, the data is automatically downloaded to the phone or tablet.  

  • Tap <Data> icon to view the detailed test data page 

  • Tap <More> to view the test report page

  • The app screen will show the test data and ranking, where SYS stands for systolic pressure (mmHg), DIA for diastolic pressure (mmHg), HR for heart rate (1/min), HRV for heart rate variability (ms; autonomic nervous system total activity index), LF for low frequency (sympathetic nerve activity index, %), HF for high frequency (para-sympathetic nerve activity index, %), LF/HF for low frequency/high frequency ratio (sympathetic-parasympathetic balance index); Irregular No. for number of irregular heartbeats

  • Tap <Pulse Wave>  to view the recorded pulse waveforms 

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Main function - <Realtime Test> (User-defined test; View the demo video now)

  • Referring to Fig 1 -1 above for wearing procedure and testing posture

  • Open ANSWatch app on your phone or tablet, tap <Realtime Test > 

  • Set up the test time (minutes) for each step (maximum 3 steps). Total test time is limited to 20 minutes. Tap <Start> to start the test

  • During test, the app screen will show the instant pulse waveforms and peak-to-peak intervals (RRI). The same screen will also show heart rate (HR) and HRV at 10-second interval.

  • After test, go back to the app’s <Home> page, tap <Data> and then tap <More> on the just-finished <Realtime Test> set to view detailed test data (including averages of HR and HRV for each step) and pulse plot 

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Main function - How to take a  <Realtime Test> 

  • Deep breathing (Qi practice): Inhale and exhale slowly and deeply (sitting or lying position; using the time clock on a smart phone or PC to monitor). During practice, the whole body is relaxed, any anxiety is gone, the sympathetic tone is attenuated while the parasympathetic tone is significantly raised. RRI (peak-to-peak interval) plot becomes “wavy” (instead of “flat” under normal shallow breathing), heart rate HR goes down, and ANS total activity index HRV rises gradually. You can set the step 1 for natural breathing and step 2 for deep breathing (total time limit 20 minutes)

  • Music therapy (sitting or lying): Let go any thought in mind, concentrate on listening to music; same effect on HR and HRV as above; You can set the step 1 for no-music and step 2 for music-listening

  • Stand-up test: testing for 3-min under sitting position (step 1) followed by standing up for 3-min (step 2).  Note the difference of HR and HRV between two positions. Standing should have a higher HR and lower HRV than sitting, indicating healthy ANS adjustment.

  • Recovery rate after exercise: After heavy exercise, wear ANSWatch-Mini and start <Realtime test>. As the body recovers, HR goes down gradually while HRV goes up. A fast HR recovery (slow-down) indicates healthy ANS, heart, and circulation.

  • Removal of performer's anxiety: Before any show performance, test, or competition, practice deep breathing (described above) for at least 10-minutes,  Confirm your reduced anxiety with increased HRV and decreased HR on the screen plot.

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