Hi , when you say ' EMR too broad in spectrum ' - please elaborate. And a) How did you drive the ERM ? b) At what voltage c) a constant voltage drive e.g. @ 5V ? d) How did you mount the ERMs on the finger ? e) Mounting of all 4 x ERMS on the hand e.g. glove or ?? f) At what frequency was the drive ? Thanks.
B, C) tested between 3.3VDC and 5VDC(out of spec), as said via PWM
D, E) With the mentioned silicone fingers. During testing I have it mounted in foam for damping
F) PWM was at 250Hz, 2/3 Duty. But keep in mind: f_PWM != f_Vibration. So I kept adjusting V to get the spectrum right. This also showed, that compared to a novafon it was all over the place.
Note: I experimented with a Novafon @100Hz, 45min sessions which improved motor symptoms notably.
Very good . Tested the two devices today for 1h and the patient was able to type 10 fingers after 45min. The devices were still attached while he did BTW..
Great stuff !!! Kindly clarify - what was the patient's condition e.g. typing, motor control, finger movement, which fingers, dexterity etc prior to the 45min session? i.e. before and after datum comparison. Any side effects ? When PWP was typing - was the vibrations switched off ? Thanks.
Right now I'm focusing more on getting the devices to work properly so I don't have hard numbers on this yet.
However, Patient was not able to type due to stiffness and shaking in the left arm at all since 1 Jan. The patient is an early onset 40yo 4y diagnosed. No other symptoms (dementia etc)
First time he reported lightheadedness., not this time though.
Excuse my ignorance, can you please explain how and what u used to measure the plots as shown ? - this is a great way to gauge the potential effect in advance and hopefully - fine tuning ( how ? ) can be a viable alternative. Thanks again.
Hi, thanks for reply. a) So even with low voltage /PWM signal - the vibrations were ' very broad ' ? b) Which part of the body did you test the novafon with the vibration therapy ? c) tested on person with Parkinson's ? d) Pls expand on " improved motor symptoms " ? - many thanks.
C) Tested with a patient with early onset 3y diagnosed
D) left hand could move fingers slowly and strong shaking. With ERM setup numbness. Compared to the novafon experiment which enabled to type 10 fingers afterwards with no shaking
The criteria are mostly targeted at long term impact. I was thinking of objective type short term ( before/after use) such as amplitude shaking of body parts.
Any chance you did research on what impact the acceleration/force/amplitude of the motor has? Tass was referring to "moderate" if I remember correctly. It would be great to have this backed with data.
You are right, they are immediate, my bad.What I actually meant is hard numbers. The glass and writing are interpreted by your brain which tells you good or bad.
Having AI interpret it would in your case remove bias, but in the end it comes down to measuring the shakiness of the hand, right?
You're right with everything you say. Still, I'm wondering whether shakiness over time wouldn't be a good indicator as most experience that symptom. I applied this type of analysis to rotary equipment (motor, turbine, compressor..) in the past with great success to predict failures weeks ahead
Result: LRA show as expected a sharp spike at claimed resonance. Vibration don't cause numbness. Self-designed driver works as expected. HW rev2 planned to fix a pnp issue.
First poc for wearable vibration monitoring done (battery poered) incl real-time aggregation + viz on a computer to record "shakiness over time" as kpi for project success
Fourth iteration:
Planned: Integration of all 4 drivers with the control board + integrated batteries with charger. First glove design. Inter glove sync via wifi. First enclosure design
I see. Two thoughts on the gloves. 1) it's not vibrating. So a cheaper alternative would be a home depot gardening glove
2) I see the same issue I'm facing right now, which is: keeping the actuator in place. Slight changes in positioning would change the mechanical connection between the skin and the device
Planned: Integration of all 4 drivers with the control board + integrated batteries with charger. First glove design. Inter glove sync via wifi. First enclosure design
Change in plan, no integration of the drivers. Glove design finished. Turned out to be very similar to the original. I'm working on sync between the gloves. Autodiscovery of additional sensors is working. Config interface via browser is working. It's battery powered with a planned runtime of 4h. (Untested)
I'm not really satisfied with the velcro fingertips as they prevent that the vibration is applied as punctual as possible. I understood from the paper, that this is crucial, right?
Looks like you have had some success, congratulations! I appreciate all of the updates. Do you have a repository where we could view the code you are using for the controller?
I didn't make up my mind yet whether or not to release it as OSS. I used parts of code of one of my commercial products which is soon to be launched. So I would need to either refactor or make it OSS too 🤔
If there is enough interest and willingness to contribute, I will consider this.
That is fair, just seems that the goal of this forum is to exchange ideas and try to help those that can't afford/do not have the opportunity to participate in the trial, so i thought i would ask.
I may have missed a posting, but have you thought of starting to sell your version of the vibrating gloves? I'm sure that you would have huge demand for them and perhaps, if some PWP cannot afford them, there would be others that could afford to pay for more than just one pair so as to make them available to those that cannot. I would be happy to do so.
Keep up the good work and glad your wife is benefitting from your hard work. I would love to do the same for my wife.
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Repurposed bhaptic Gloves into vibrating gloves
Vibrating Gloves for Parkinson's Disease
Anyone out there trying the Dr. Tass Vibratory therapy with a board or gloves?
vibrating gloves, bought from amazon
