Inhibition of implant migration
First Claim
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1. Apparatus, comprising:
- an electrostimulator implant; and
a percutaneously-advanceable delivery tool via which the implant is injectable, wherein;
the electrostimulator implant comprises;
an implant body, the implant being injectable into tissue of a subject along a longitudinal axis of the implant body,first and second electrodes, disposed on respective first and second portions of the implant body;
circuitry, disposed inside the implant body, and configured to drive the electrodes to apply current to the tissue; and
a mesh;
disposed over at least 50 percent of the implant body,configured to serve as an anchor of the implant,having a delivery state in which the mesh defines a first maximum transverse diameter, andhaving an implanted state in which the mesh defines a second maximum transverse diameter that is greater than the first transverse diameter,while the implant is disposed within the tool, the tool retains the mesh in the delivery state, and when the implant is deployed from the tool, the mesh automatically moves toward the implanted state, andthe mesh has (i) a first end that remains attached to a first site of the implant body while the mesh moves toward the implanted state, and (ii) a second end that remains attached to a second site of the implant body while the mesh moves toward the implanted state, the first site and the second site being disposed longitudinally between the first electrode and the second electrode.
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Abstract
An electrostimulator implant comprises (i) an implant body, the implant being injectable into tissue of a subject along a longitudinal axis of the implant body, (ii) first and second electrodes, disposed on respective first and second portions of the implant body; (iii) circuitry, disposed inside the implant body, and configured to drive the electrodes to apply current to the tissue; and (iv) a mesh, disposed over at least 50 percent of the implant body, and configured to serve as an anchor of the implant. Other embodiments are also described.
310 Citations
15 Claims
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1. Apparatus, comprising:
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an electrostimulator implant; and a percutaneously-advanceable delivery tool via which the implant is injectable, wherein; the electrostimulator implant comprises; an implant body, the implant being injectable into tissue of a subject along a longitudinal axis of the implant body, first and second electrodes, disposed on respective first and second portions of the implant body; circuitry, disposed inside the implant body, and configured to drive the electrodes to apply current to the tissue; and a mesh; disposed over at least 50 percent of the implant body, configured to serve as an anchor of the implant, having a delivery state in which the mesh defines a first maximum transverse diameter, and having an implanted state in which the mesh defines a second maximum transverse diameter that is greater than the first transverse diameter, while the implant is disposed within the tool, the tool retains the mesh in the delivery state, and when the implant is deployed from the tool, the mesh automatically moves toward the implanted state, and the mesh has (i) a first end that remains attached to a first site of the implant body while the mesh moves toward the implanted state, and (ii) a second end that remains attached to a second site of the implant body while the mesh moves toward the implanted state, the first site and the second site being disposed longitudinally between the first electrode and the second electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification