Using springs in traction devices?

While planning the build of my first AFB hanger I had a question pop into my thought process. At first I thought that a hanger is a way to keep a constant tension even as tissues stretch and for continual traction of constant level of force. I wondered if there was a way to have that traction force reduce gradually as the the tissues stretch beyond what their initial max stretched length.

Example: 6.2” flaccid would initially stretch under traction to 6.4”, after 15 minutes maybe increases to 6.5” then 6.6” over even more time. With a hanger the force is constant but would there be a benefit to the force being gradually decreased so as to be able to stretch to increased extended lengths for a longer period of time?

Might one be able to employ traction more comfortably over longer periods of time with this gradient tension approach? My first thought to achieve this involved a large spring or several springs in an extender type device.

Has anything like this been tried yet by anyone?

Most extenders use springs and so the force decreases (unless you manually modify it) after a short time in the extender. So yeah, the way to accomplish this would be to create an extender with springs. Whether it’s beneficial for the force to decrease is another question but this is the basis of the standard extender design. Have a look at cantlook’s designs.

Thanks mem, I’ll check out cantlook’s stuff.