Apparatus and methods for stimulating tissue

a technology of apparatus and tissue, applied in the field of neurostimulation systems, can solve the problems of non-target fiber generation, discomfort, undesirable outcomes, etc., and achieve the effect of facilitating the stimulation regimen

Inactive Publication Date: 2007-06-21
BOSTON SCI NEUROMODULATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] Apparatus and methods in accordance with some of the present inventions involve the creation of APs in neural fibers and the selective blocking of the APs in some of the neural fibers in which APs are created. Such apparatus and methods are advantageous for a variety of reasons. For example, such apparatus and methods facilitate stimulation regimens that create APs in tissue that is not directly adjacent to the depolarizing electrode(s) while preventing APs from propagating in the tissue therebetween that produce undesirable outcomes for the patient.

Problems solved by technology

The electric field may, however, result in the generation of APs in the non-target fiber bundles between the electrode and the target fibers.
The generation of APs in the non-target tissue may, in turn, lead to undesirable outcomes (e.g., discomfort) for the patient.

Method used

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Embodiment Construction

[0028] The following is a detailed description of the best presently known modes of carrying out the inventions. This description is not to be taken in a limiting sense, but is made merely for the purpose of illustrating the general principles of the inventions. The detailed description is organized as follows:

[0029] I. Exemplary Neurostimulation Systems

[0030] II. Exemplary Neurostimulation Regimens

The section titles and overall organization of the present detailed description are for the purpose of convenience only and are not intended to limit the present inventions.

I. Exemplary Neurostimulation Systems

[0031] The present inventions have application in a wide variety of neurostimulation systems. Although the present inventions are not so limited, examples of such systems are illustrated in FIGS. 1-9. Referring first to FIGS. 1 and 2, an exemplary implantable neurostimulation system 100 includes first and second implantable leads 102 and 104. The exemplary leads 102 and 104 a...

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Abstract

Apparatus and methods for stimulating tissue employing local current imbalance to facilitate more effective stimulation regimens.

Description

BACKGROUND OF THE INVENTIONS [0001] 1. Field of Inventions [0002] The present inventions relate generally to neurostimulation systems. [0003] 2. Description of the Related Art [0004] Neurostimulation systems, such as spinal cord stimulation (SCS) systems, deep brain stimulation systems and peripheral nerve stimulation systems, include at least one electrode positioned to enable stimulation of neural elements that are the target tissue (i.e. the tissue that, when sufficiently stimulated, will create the desired therapeutic effect). The electrodes are commonly mounted on a carrier and, in many instances, a plurality of electrodes are mounted on a single carrier. These carrier / electrode devices are sometimes referred to as “leads”. The electrodes may be used to cause nerves to fire action potentials (APs) that propagate along the neural fibers. More specifically, supplying stimulation energy to an electrode functioning as a cathode creates an electric potential field that causes depola...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61N1/18
CPCA61N1/36185A61N1/0529A61N1/36071A61N1/0551A61N1/0553A61N1/36125
Inventor BRADLEY, KERRY
Owner BOSTON SCI NEUROMODULATION CORP
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