Electrical stimulation cuff devices and systems

Patent metadata

Field	Value
Publication number	US-2017239462-A1
Application number	US-201715436544-A
Country	US
Kind code	A1
Filing date	Feb 17, 2017
Priority date	Feb 19, 2016
Publication date	Aug 24, 2017
Grant date	—

Abstract

An electrical stimulation lead includes a stimulation cuff having an exterior surface and an interior surface that defines a nerve channel having a nerve channel axis. A plurality of electrodes are disposed on the interior surface of the cuff. A longitudinal opening extends through the cuff and further extends along an entire length of the cuff, wherein the opening is operable to receive a target nerve from a region outside of the cuff to within the nerve channel. A mount is disposed on the exterior surface of the cuff and radially offset from the nerve channel axis. A lead body is radially offset from the nerve channel axis and a plurality of conductors extend through the lead body, mount and cuff, with the plurality of conductors electrically coupled to the electrodes. The electrical stimulation lead may include a plurality of slots to permit tissue ingrowth.

First claim

What is claimed as new and desired to be protected by Letters Patent of the United States is:

1 . An electrical stimulation lead comprising:
a stimulation cuff having an exterior surface and an interior surface that defines a nerve channel having a nerve channel axis; a plurality of electrodes disposed on the interior surface of the cuff; a longitudinal opening extending through the cuff and further extending along an entire length of the cuff, the opening operable to receive a target nerve from a region outside of the cuff to within the nerve channel; a mount disposed on the exterior surface of the cuff and radially offset from the nerve channel axis; a lead body having a lead body axis radially offset from the nerve channel axis; and a plurality of conductors extending through the lead body, mount and cuff, with the plurality of conductors electrically coupled to the electrodes.

2 . The electrical stimulation lead of claim 1 , wherein the cuff defines at least one slot that extends less than the entire length of the cuff.

3 . The electrical stimulation lead of claim 2 , wherein the slot is located between at least two of the electrodes.

4 . The electrical stimulation lead of claim 2 , wherein the slot is configured to permit tissue ingrowth.

5 . The electrical stimulation lead of claim 1 , wherein the cuff includes end portions configured to receive sutures.

6 . The electrical stimulation lead of claim 1 , further comprising cuff stiffeners embedded in the cuff proximate the longitudinal opening.

7 . The electrical stimulation lead of claim 6 , wherein at least one of the cuff stiffeners extends less than the entire length of the cuff.

8 . The electrical stimulation lead of claim 6 , wherein at least one of the cuff stiffeners extends the entire length of the cuff.

9 . The electrical stimulation lead of claim 6 , wherein the cuff stiffeners are cylindrical.

10 . An electrical stimulating system comprising:
the electrical stimulation lead of claim 1 ; a control module coupleable to the electrical stimulation lead, the control module comprising
a housing, and
an electronic subassembly disposed in the housing; and
a connector for receiving the electrical stimulation lead, the connector having a proximal end, a distal end, and a longitudinal length, the connector comprising
a connector housing defining a port at the distal end of the connector, the port configured and arranged for receiving the proximal end of the lead body of the electrical stimulation lead, and
a plurality of connector contacts disposed in the connector housing, the plurality of connector contacts configured and arranged to couple to at least one of a plurality of terminals disposed on a proximal end of the lead body of the electrical stimulation lead.

11 . The electrical stimulation system of claim 10 , further comprising a lead extension coupleable to both the electrical stimulation lead and the control module.

12 . An electrical stimulation lead comprising:
a stimulation cuff having a cuff body with an interior surface and an exterior surface, the interior surface defining a nerve channel having a nerve channel axis; a plurality of electrodes disposed on the interior surface of the cuff body; a longitudinal opening extending through the cuff body and further extending along an entire length of the cuff body, the opening operable to receive a target nerve from a region outside of the cuff to within the nerve channel; a plurality of slots each extending through the cuff body and each having a length that is less than the entire length of the cuff body, the slot is configured to permit tissue ingrowth; a lead body having a lead body axis; and a plurality of conductors extending through the lead body, mount and cuff, with the plurality of conductors electrically coupled to the electrodes.

13 . The electrical stimulation lead of claim 12 , further comprising a mount disposed on the exterior surface of the cuff body and coupled to the lead body, wherein the lead body axis is radially offset from the nerve channel axis of the cuff body.

14 . The electrical stimulation lead of claim 12 , wherein at least one of the plurality of slots is located between at least two of the electrodes.

15 . The electrical stimulation lead of claim 12 , wherein the cuff body includes end portions configured to receive sutures.

16 . The electrical stimulation lead of claim 12 , further comprising cuff stiffeners embedded in the cuff body proximate the longitudinal opening.

17 . The electrical stimulation lead of claim 16 , wherein the cuff stiffeners are cylindrical.

18 . An electrical stimulating system comprising:
the electrical stimulation lead of claim 12 ; a control module coupleable to the electrical stimulation lead, the control module comprising
a housing, and
an electronic subassembly disposed in the housing; and
a connector for receiving the electrical stimulation lead, the connector having a proximal end, a distal end, and a longitudinal length, the connector comprising
a connector housing defining a port at the distal end of the connector, the port configured and arranged for receiving the proximal end of the lead body of the electrical stimulation lead, and
a plurality of connector contacts disposed in the connector housing, the plurality of connector contacts configured and arranged to couple to at least one of a plurality of terminals disposed on a proximal end of the lead body of the electrical stimulation lead.

19 . The electrical stimulation system of claim 18 , further comprising a lead extension coupleable to both the electrical stimulation lead and the control module.

Assignees

• Boston Scient Neuromodulation Corp

Inventors

• Govea Michael X
• Orinski William George
• Stoffregen William Conrad

Classifications

• A61N1/3752

  Details of casing-lead connections · CPC title

• A61N1/0558

  Anchoring or fixation means therefor · CPC title

• A61N1/3605

  Implantable neurostimulators for stimulating central or peripheral nerve system · CPC title

• A61N1/0556 Primary

  Cuff electrodes · CPC title

• A61N1/36003

  of motor muscles, e.g. for walking assistance · CPC title