Granted Patent B2

US 12,214,188 · App. 17/846,941 · Granted Feb 4, 2025

Inventor: Mark Steven Wong (Redwood City, CA)

Assignee: Nevro Corp.

A61N1/0558A61N1/37518A61N2001/058

Abstract

Claims (12)

1. A lead anchor, comprising:

a longitudinally extending anchor body having a lumen positioned to receive a spinal cord lead therethrough, and having a retainer pocket intersecting the lumen; and

a retainer positioned in the retainer pocket, the retainer comprising:

an inner grip block having an inner aperture;

at least one outer grip block having an outer aperture; and

a resilient member connecting the inner and outer grip blocks.

2. The lead anchor of claim 1 , wherein the outer aperture is generally aligned with the lumen.

3. The lead anchor of claim 2 , wherein the inner aperture is offset from the outer aperture when the resilient member is in a relaxed state.

4. The lead anchor of claim 1 , wherein the at least one outer grip block comprises a pair of outer grip blocks and a pair of generally coaxial outer apertures, each formed through a corresponding one of the pair of outer grip blocks.

5. The lead anchor of claim 4 , further comprising a connector plate positioned opposite the resilient member and joining the outer grip blocks.

6. The lead anchor of claim 4 , wherein the resilient member connects to both of the outer grip blocks and carries the inner grip block therebetween such that the inner aperture is offset from the outer apertures when the resilient member is in a relaxed state.

7. The lead anchor of claim 6 , wherein the resilient member includes a pair of opposed U-shaped resilient portions, each connected to a corresponding one of the outer grip blocks.

Assignments (3)

Continuity (2)

References Cited (91)