Removable medical electrode system
First Claim
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1. An atraumatic removable medical electrode system for monitoring electrical activity of selected tissue, comprising:
- a flexible member of electrically insulating material having an inner surface shaped to conform to a surface of said tissue, said member having a circumferential length sufficient to cover an arc of more than 180 degrees, but less than 360 degrees, for engaging said tissue;
an electrical conductor affixed to said inner surface of said member;
means for electrically coupling said conductor to an electrical circuit; and
actuating means connected to said member for moving said member between a contracted position for holding said electrode on said tissue, and an expanded position for placing said electrode onto and removing said electrode from said tissue.
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Abstract
A removable medical electrode system for monitoring electrical activity of selected tissue comprises a flexible member of electrically insulating material shaped to conform to a surface of the tissue. It includes a mechanism for articulating the electrode between an expanded and contracted position to place and remove the electrode on the tissue, and to hold the electrode in place during an operation. An electrical conductor is fixed to the electrode to carry electrical impulse signals from the nerve tissue to a monitoring system.
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Citations
9 Claims
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1. An atraumatic removable medical electrode system for monitoring electrical activity of selected tissue, comprising:
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a flexible member of electrically insulating material having an inner surface shaped to conform to a surface of said tissue, said member having a circumferential length sufficient to cover an arc of more than 180 degrees, but less than 360 degrees, for engaging said tissue; an electrical conductor affixed to said inner surface of said member; means for electrically coupling said conductor to an electrical circuit; and actuating means connected to said member for moving said member between a contracted position for holding said electrode on said tissue, and an expanded position for placing said electrode onto and removing said electrode from said tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A removable medical electrode for monitoring electrical activity of a selected portion of tissue comprising:
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means for engaging said selected portion of said tissue, said engaging means including a pair of opposed resilient semi-rigid arcuate grasping members shaped for atraumatically holding said engaging means on said tissue portion; means connected to said engaging means for remotely reciprocating said resilient semi-rigid arcuate grasping members between a contracted position wherein said members are spaced apart a first distance to atraumatically grasp said tissue portion, and an expanded position wherein said grasping members are spaced apart a second distance to permit atraumatic application and removal of said electrode to and from said tissue portion; and means for electrically connecting said engaging means to an electrical circuit.
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Specification