ELECTRODE DEVICES FOR NEUROSTIMULATION AND RELATED METHODS

1 - 43 . (canceled)

44 . A neural interface comprising:

at least one C-ring portion for applying a radial pressure in a range of 1 mmHg to 30 mmHg to a target tissue arranged within the C-ring portion and comprising at least one electrode arranged on the at least one C-ring portion.

45 . The neural interface of claim 44 , further comprising a lead body comprising a conductor connectable to an implantable pulse generator, wherein the at least one electrode is electrically coupled to the conductor.

46 . The neural interface of claim 44 , wherein the C-ring portion applies a radial pressure based upon one or more of the group comprising:

rigidity of an insulating material that makes up a body of the C-ring portion;

thickness of an insulating material that makes up the body of the C-ring portion;

rigidity of the at least one electrode;

a size and shape of the at least one electrode;

a quantity of the electrode;

a proportion of electrode compared to the insulating material of the C-ring portion;

a gap size between two electrodes of the at least one electrode;

properties of the interconnect between different electrodes of the at least one electrode;

thickness of the c-ring material; and

a diameter of the neural interface.

47 . The neural interface of claim 44 , the at least one C-ring portion having an inner diameter and a cross-sectional thickness, with a ratio of the inner diameter to the cross-sectional thickness being in a range of 5:1 to 6:1.

48 . The neural interface of claim 44 , wherein the at least one electrode comprises an electrode contact on an electrode flange, the electrode flange mechanically coupling the electrode to the C-ring portion and comprising a plurality of perforations.

49 . The neural interface of claim 44 , wherein the electrode flange comprises a curved under edge.

50 . The neural interface of claim 44 , wherein the plurality of perforations comprise at least one perforation on a first side of the electrode flange and at least one perforation on a second opposing side of the electrode flange.

51 . The neural interface of claim 44 , wherein the first side of the electrode flange and the second opposing side of the electrode flange are longer than a third side and a fourth side of the electrode flange.

52 . The neural interface of claim 44 , wherein each of the plurality of perforations is rectangular with rounded corners.

53 . The neural interface of claim 45 , further comprising:

a spinal portion having a first end and a second end, a circumference of the first end of the spinal portion tapering from a maximum circumference to a minimum circumference;

the lead body being coupled to the first end of the spinal portion and extending at least partially into the spinal portion.

54 . The neural interface of claim 44 , wherein the spinal portion has a substantially circular cross-section, and the second end of the spinal portion has an angled surface such that a plane parallel to the substantially circular cross-section is at an angle of greater than 0 degrees and less than 90 degrees with respect to a plane defined by the angled surface.

55 . The neural interface of claim 53 , wherein the maximum circumference of the first end of the spinal portion is proximate the at least three C-ring portions, and the minimum circumference of the first end of the spinal portion occurs where the spinal portion terminates on the lead body.

56 . The neural interface of claim 53 , wherein a distance between the maximum circumference and the minimum circumference is in a range of 2 mm to 5 mm.

57 . The neural interface of claim 44 , further comprising at least one anchoring tab coupled to the lead body, wherein the at least one anchoring tab comprises a coated mesh, optionally wherein the mesh is coated with a material that fills the mesh.

58 . The neural interface of claim 57 , wherein the C-ring portion is provided at a first end of the lead body and a connector to an implantable pulse generator (IPG) is provided at a second of the lead body, further wherein the anchoring tab is provided between the first end and the second end of the lead body.

59 . The neural interface of claim 58 , wherein the anchoring tab is provided between the first end of the lead body and a middle section of the lead body situated half-way between the first end and the second end of the lead body, further wherein a ratio of a distance between the first end of the lead body and the anchoring tab and a distance between the second end of the lead body and the anchoring tab is between 1:1 and 1:50, optionally 1:2, 1:3, 1:4 or 1:5.

60 . The neural interface of claim 45 , wherein the lead body comprises increased flexibility in a portion closer to the C-ring portion compared to a portion of the lead body further away from the C-ring portion.

61 . The neural interface of claim 44 , wherein a plurality of electrodes are electrically connected in parallel.

62 . The neural interface of claim 44 , wherein the conductor comprises a single continuous coil electrically coupled to a plurality of electrodes on one of the C-ring portions.

63 . A system comprising:

the neural interface of claim 44 ; and

a deployment tool being removably coupleable to the neural interface for deployment of the neural interface.

64 . The system of claim 63 , further comprising a lead cap device having a first end and a second end and comprising a body defining an internal cavity that extends from the first end toward the second end, and a suture loop coupled to the second end, the lead cap device configured to removably receive a portion of the lead body in the internal cavity.

65 . The system of claim 64 , wherein an IPG connector portion of the lead body is removably received in the internal cavity of the lead cap device, further wherein the lead cap device comprises a set screw block arranged in the body such that a setscrew intersects with the internal cavity, and is configured to secure the portion of the lead body in the internal cavity by the setscrew.

66 . A system comprising a set comprising a plurality of neural interface devices according to claim 44 , wherein inner diameters of the neural interface devices differ whilst a total electrode area of each neural interface device is substantially equal.

67 . The system of claim 66 , wherein an electrode of a larger inner diameter neural interface device comprises a smaller width and a larger length than an electrode of a smaller inner diameter neural interface device.