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Remotely controlled and/or laterally supported devices for direct spinal cord stimulation

A technology of spinal cord and electrical stimulation, applied in the direction of spinal nerve electrodes, treatment, internal electrodes, etc., can solve the problems that the body position sensor does not solve, and achieve the effect of well-designed and safe design

Inactive Publication Date: 2014-01-29
UNIV OF IOWA RES FOUND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As with all other SCS design changes introduced to date, the addition of positional sensors does not address the underlying problem of electrical stimulation of CSF shunting

Method used

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  • Remotely controlled and/or laterally supported devices for direct spinal cord stimulation
  • Remotely controlled and/or laterally supported devices for direct spinal cord stimulation
  • Remotely controlled and/or laterally supported devices for direct spinal cord stimulation

Examples

Experimental program
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Embodiment Construction

[0060] figure 1 A cross-sectional view showing selected anatomical elements of the spinal cord. These elements include the dura mater layer 10 that surrounds the spinal cord SC and encloses the spinal canal, the dorsal root nerves 12, the cerebrospinal fluid area 14 that separates the outer surface of the spinal cord from the inner surface of the dura mater, and the axons that are targeted by spinal cord stimulation instruments 16.

[0061] Figure 1A The complex anatomical layout of the postulated human spinal cord pathway is shown. In the large dorsal column pathways (f. gracilis, f. cuneatus), the activation of a large number of axons located at a depth greater than 0.5 mm below the pial surface is likely to lead to a greater increase in pain areas in humans. Wide body coverage and increased magnitude of pain attenuation effect. Activation of axons within deeply located dorsal midline structures (eg, septomarginal f., posterior proper f.) can lead to complete relief of ...

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PUM

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Abstract

A method for treating intractable pain via electrical stimulation of the spinal cord. Remote, non-contact stimulation of a selected region of spinal cord is achieved by placement of a transceiver patch directly on the surface of that region of spinal cord, with said patch optionally being inductively coupled to a transmitter patch of similar size on either the outer or inner wall of the dura surrounding that region of the spinal cord. By inductively exchanging electrical power and signals between said transmitter and transceiver patches, and by carrying out the necessary electronic and stimulus signal distribution functions on the transceiver patch, the targeted dorsal column axons can be stimulated without the unintended stray stimulation of nearby dorsal rootlets. Novel configurations of a pliable surface-sheath and clamp or dentate ligament attachment features which realize undamaging attachment of the patch to the spinal cord are described.

Description

[0001] Related Application Cross Reference Data [0002] This application claims the benefit of US Provisional Application No. 61 / 412,651, filed November 11, 2010; the entire disclosure of which is hereby incorporated by reference in its entirety for all purposes. technical field [0003] The present invention generally relates to medical devices and methods. More particularly, the present invention relates to electrode structures and systems for delivering electrical impulses directly to a patient's spinal cord to prevent pain, among other purposes. Background technique [0004] The use of spinal cord stimulation (SCS) to relieve intractable pain symptoms originated in the 1960s, with emerging theories of the neural basis of pain perception and the pathophysiology of chronic pain disorders. Results from experimental animal studies demonstrate the existence of neural pathways that originate in the brain and project axons through the spinal cord and finally terminate at the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/00
CPCA61N1/372A61N1/3787A61N1/37205A61N1/375A61N1/36071A61N1/0558A61N1/37514A61N1/37518Y10T29/49117A61N1/0553
Inventor 马修·霍华德蒂莫西·布伦南布莱恩·达尔姆马塞尔·乌茨乔治·吉利斯史蒂文·斯科特兰德尔·S·内尔松罗伯特·休瑞格
Owner UNIV OF IOWA RES FOUND
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