US 12,268,876 B2
Neural blocking therapy
Mark B. Knudson, Shoreview, MN (US); Adrianus P. Donders, Andover, MN (US); and Timothy R. Conrad, Eden Prairie, MN (US)
Assigned to Flathead Partners, LLC, Minneapolis, MN (US)
Filed by Flathead Partners, LLC, Minneapolis, MN (US)
Filed on Feb. 26, 2019, as Appl. No. 16/286,389.
Application 16/286,389 is a continuation of application No. 14/922,009, filed on Oct. 23, 2015, abandoned.
Application 14/922,009 is a continuation of application No. 14/059,246, filed on Oct. 21, 2013, abandoned.
Application 14/059,246 is a continuation of application No. 11/235,947, filed on Sep. 26, 2005, abandoned.
Prior Publication US 2019/0184170 A1, Jun. 20, 2019
Int. Cl. A61N 1/36 (2006.01); A61N 1/05 (2006.01)
CPC A61N 1/36071 (2013.01) [A61N 1/0551 (2013.01); A61N 1/36064 (2013.01); A61N 1/36067 (2013.01); A61N 1/0531 (2013.01); A61N 1/0534 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An apparatus for treating pain, comprising:
a) an electrode adapted to overlie a patient's spinal cord at a target area by way of a sling support configured to enter the subarachnoid space and mount on the left and right dorsal roots; and
b) an implantable rechargeable controller that is electrically connected to the electrode and configured to provide electrical signals having a frequency of at least 3,000 Hz to the electrode that block propagation of action potentials, including transmission of pain signals, along ascending pathways in the spinal cord.