Single ScanVision FAQ:
HOW CAN LEFT / RIGHT DIFFERENCES BE ACCURATE IF THEY'RE NOT MEASURED AT THE SAME TIME?
Look at test-retest reliability. When you compare the readings on left side or right side at zero and 30 seconds, the test-retest reliability is over 0.95. That means that testing left or right side independently will provide the same results. In addition, using the AutoScan feature, (a proprietary algorithm that stores data once readings have stabilized), means the reading is only taken when the sway of the body stops, thus ensuring accuracy.
ISN'T THERE A BIG DIFFERENCE IN SPEED?
The test time varies by user, but we observed several tests performed by several different users. We found those using 2 scanners took more time for the user to achieve proper placement and even electrode contact. Single scanner users were more steadfast and were able to make good contact and placement quickly and complete the exam in the same time as dual users. Those more experienced with 2 scanners vs. 1 scanner, the time difference was only seconds.
HOW DO YOU COLLECT THE READINGS WITH ONE SCANNER?
Simply scan from left side down, then right side down.
Isn't two better than one?
It might seem odd that a single scanner would be a better fit for most people, but consider this: holding one device, you are able to focus on one reading at a time and free your second hand for things such as pushing long hair to the side, or moving a shirt collar down. The few moments of difference in time is trivial when compared to the improved accuracy and the cost savings. Best to focus on one thing at a time to achieve better results than sacrifice the accuracy for speed.
The idea for the single scanner started as a way to help reduce equipment costs for recent grads and those opening new offices. What we didn't expect was for our current users with over 20 years experience using dual scanners, ask to upgrade to the new Wireless Rechargeable [+] PLUS Single Scanner. The system is completely modular, so you can add on individual pieces (at lower prices than a full system) and separate your devices between rooms, or for screenings.
We have received a lot of feedback of the surprising advantages of a single scanner:
- One free hand: Using one hand for scanning frees the other hand for things like holding up the hair, lift the shirt for testing the lumbar spine, or to hold a jar of QuickScan pads.
- Better focus by taking one reading at a time.
- Savings in supplies and maintenance: only one set of electrodes and front end needs maintenance.
- Reduced up-front costs: with the ADA tax credit and tax write off, you can start your practice off with less than $1,800.
- Speed: the settling time of the new Single Scanner is equal to the speed of the previous generation of Dual Scanners.
- Expand your system as you expand your business - the modular design allows you to add on additional devices.