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Mri-guided medical interventional systems and methods

A guide, guide hole technology, applied in the field of medical systems, which can solve problems such as reduced efficacy, suboptimal clinical efficacy of devices/therapies, etc.

Inactive Publication Date: 2010-08-11
MRI INTERVENTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These therapies may be extended over a long period of time and may have reduced efficacy as suboptimal clinical efficacy of the device / therapy has been reported in approximately 30% of patients implanted with these devices

Method used

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  • Mri-guided medical interventional systems and methods
  • Mri-guided medical interventional systems and methods
  • Mri-guided medical interventional systems and methods

Examples

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Embodiment Construction

[0071] The invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some embodiments of the invention are shown. However, the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to the present invention technicians in the field.

[0072] Like reference numerals refer to like elements throughout. In the drawings, the thickness of certain lines, layers, components, elements or features may be exaggerated for clarity.

[0073] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms unless the context clearly dictates otherwise. It sho...

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Abstract

An MRI-guided interventional system includes a frame (100) with a cooperating targeting cannula (200). The frame is configured to be secured to the body of a patient, and is configured to translate and rotate such that the targeting cannula can be positioned to a desired intrabody trajectory. The frame may include one or more MRI-visible fiducial markers that allow frame location / orientation to be determined within an MRI image. A plurality of user-activatable actuators (140a, 14Od) are configured to translate and rotate the frame relative to the body of a patient so as to position the targeting cannula to a desired intrabody trajectory. The targeting cannula includes an axially-extending guide bore therethrough that is configured to guide placement of an interventional device in vivo. Various instrumentation and equipment, such as stimulation leads, ablation catheters, injection catheters, etc., can be inserted through the targeting cannula to execute diagnostic and / or surgical procedures.

Description

[0001] related application [0002] This application claims priority to U.S. Provisional Patent Application No. 60 / 933,641, filed June 7, 2007, and U.S. Provisional Patent Application No. 60 / 974,821, filed September 24, 2007, the disclosures of which are incorporated by reference Incorporated herein in its entirety. technical field [0003] The present invention relates generally to medical systems and methods, and more particularly to in vivo medical systems and methods. Background technique [0004] Deep brain stimulation (DBS) is becoming an accepted modality for neurosurgical treatment of patients suffering from chronic pain, Parkinson's disease or convulsions, and other medical conditions. Other electrical stimulation treatment protocols utilizing internal stimulation of the sympathetic chain and / or spinal cord and the like have been performed or proposed. An example of a prior art DBS system is the system. The system includes an implantable pulse generator stimu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B19/00A61B17/34A61N1/372A61N1/36
CPCA61B2019/507A61B2017/00212A61B2019/208A61B2019/2269A61B2017/3409A61B19/201A61B2017/3407A61B2019/5236A61B90/11A61B34/74A61B2034/107A61B2090/103A61B2090/374
Inventor D·J·塞勒R·马蔡K·L·詹金斯P·皮菲里
Owner MRI INTERVENTIONS INC
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