US 11,938,377 B2
Physical therapy apparatus and method of use
Bradford C. Taras, Homer Glen, IL (US); and Udai M. Jayakumar, Redondo Beach, CA (US)
Assigned to SUREFOOTED LLC, Homer Glen, IL (US)
Filed by SUREFOOTED LLC, Homer Glen, IL (US)
Filed on Mar. 7, 2022, as Appl. No. 17/687,815.
Application 17/687,815 is a continuation in part of application No. 16/677,870, filed on Nov. 8, 2019, granted, now 11,266,893.
Application 16/677,870 is a continuation in part of application No. 15/971,409, filed on May 4, 2018, granted, now 10,835,777, issued on Nov. 17, 2020.
Claims priority of provisional application 62/501,886, filed on May 5, 2017.
Prior Publication US 2022/0184457 A1, Jun. 16, 2022
Int. Cl. A63B 24/00 (2006.01); A61H 3/00 (2006.01); A63B 22/02 (2006.01)
CPC A63B 24/0087 (2013.01) [A61H 3/008 (2013.01); A63B 22/02 (2013.01); A63B 24/0062 (2013.01); A63B 2220/50 (2013.01); A63B 2225/093 (2013.01); A63B 2225/096 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A physical therapy apparatus comprising:
a) a base structure;
b) a roller table positioned on the base structure, the roller table including an outer frame and a plurality of free motion rollers positioned within the outer frame;
c) at least one air compressor connected to the base structure;
d) a contact plate located within the base structure and operably connected to the at least one air compressor, the contact plate being positioned beneath the plurality of free motion rollers;
e) at least one pneumatic block containing at least one pneumatic piston located within the base structure and operably connected to the at least one air compressor, the at least one pneumatic piston being configured to raise and lower the contact plate to transition the physical therapy apparatus between a first mode and a second mode;
f) a load cell in communication with the physical therapy apparatus, the load cell being configured to sense and record a patient's response to the transition of the contact plate from the first mode to the second mode; and
g) a programmable logic controller (PLC) in communication with the load cell, the PLC being configured to control the transition of the physical therapy apparatus between the first mode and the second mode.