Electromagnetic interference immune tissue invasive system
First Claim
Patent Images
1. A cardiac assist system, comprising:
- a primary device housing;
said primary device housing having a control circuit therein;
a shielding formed around said primary device housing to shield said primary device housing and any circuits therein from electromagnetic interference; and
a biocompatible material formed around said shielding.
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Accused Products
Abstract
An electromagnetic immune tissue invasive system includes a primary device housing. The primary device housing having a control circuit therein. A shielding is formed around the primary device housing to shield the primary device housing and any circuits therein from electromagnetic interference. A lead system transmits and receives signals between the primary device housing. The lead system is either a fiber optic system or an electrically shielded electrical lead system.
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Citations
41 Claims
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1. A cardiac assist system, comprising:
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a primary device housing;
said primary device housing having a control circuit therein;
a shielding formed around said primary device housing to shield said primary device housing and any circuits therein from electromagnetic interference; and
a biocompatible material formed around said shielding. - View Dependent Claims (2, 3, 4, 5)
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6. A tissue invasive device, comprising:
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a primary device housing;
said primary device housing having a control circuit therein;
a shielding formed around said primary device housing to shield said primary device housing and any circuits therein from electromagnetic interference; and
a biocompatible material formed around said shielding. - View Dependent Claims (7, 8, 9, 10)
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11. A cardiac assist system, comprising:
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a primary device housing;
said primary device housing having a control circuit therein;
a shielding formed around said primary device housing to shield said primary device housing and any circuits therein from electromagnetic interference;
a biocompatible material formed around said shielding; and
a detection circuit, located in said primary device housing, to detect an electromagnetic interference insult upon the cardiac assist system;
said control circuit placing the cardiac assist system in an asynchronous mode upon detection of the electromagnetic interference insult by said detection system. - View Dependent Claims (12, 13, 14, 15, 17, 18, 19, 20)
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16. A tissue invasive device, comprising:
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a primary device housing;
said primary device housing having a control circuit therein operating in a first mode;
a shielding formed around said primary device housing to shield said primary device housing and any circuits therein from electromagnetic interference;
a biocompatible material formed around said shielding; and
a detection circuit, located in said primary device housing, to detect an electromagnetic interference insult upon the tissue invasive device;
said control circuit placing the tissue invasive device in a second mode upon detection of the electromagnetic interference insult by said detection system.
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21. A cardiac assist system, comprising:
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a primary device housing having a first control circuit, therein, to perform synchronous cardiac assist operations;
a first shielding formed around said primary device housing to shield said primary device housing and any circuits therein from electromagnetic interference;
a first biocompatible material formed around said first shielding;
a secondary device housing having a second control circuit, therein, to perform asynchronous cardiac assist operations;
a second shielding formed around said secondary device housing to shield said secondary device housing and any circuits therein from electromagnetic interference;
a second biocompatible material formed around said second shielding; and
a detection circuit, communicatively coupled to said first and second control circuits, to detect an electromagnetic interference insult upon the cardiac assist system;
said first control circuit terminating synchronous cardiac assist operations and said second control circuit initiating asynchronous cardiac assist operations upon detection of the electromagnetic interference insult by said detection system. - View Dependent Claims (22, 23, 24, 25, 27, 28, 29, 30, 36, 37, 38, 39, 40, 41)
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26. A cardiac assist system for implanting in a body of a patient, the cardiac assist system comprising:
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a main module;
a first shielding formed around said main module to shield said main module and any circuits therein from magnetic-resonance imaging interference;
a first biocompatible material formed around said first shielding;
a magnetic-resonance imaging-immune auxiliary module;
a second shielding formed around said magnetic-resonance imaging-immune auxiliary module to shield said magnetic-resonance imaging-immune auxiliary module and any circuits therein from magnetic-resonance imaging interference;
a second biocompatible material formed around said second shielding;
a communication channel between said main module and said magnetic-resonance imaging-immune auxiliary module for said magnetic-resonance imaging-immune auxiliary module to detect failure of said main module; and
a controller for activating said magnetic-resonance imaging-immune auxiliary module upon detection of failure of said main module.
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31. A cardiac assist system for implanting in the body of a patient, the cardiac assist system comprising:
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a main module;
a first biocompatible material formed around said main module;
an magnetic-resonance imaging-hardened auxiliary module;
a shielding formed around said magnetic-resonance imaging-hardened auxiliary module to shield said magnetic-resonance imaging-hardened auxiliary module and any circuits therein from magnetic-resonance imaging interference;
a second biocompatible material formed around said second shielding; and
a communication channel between said main module and said magnetic-resonance imaging-hardened auxiliary module;
said magnetic-resonance imaging-hardened auxiliary module detecting, through said communication channel, failure of said main module;
said magnetic-resonance imaging-hardened auxiliary module including a controller for activating said magnetic-resonance imaging-hardened auxiliary module upon detection of failure of said main module. - View Dependent Claims (32, 33, 34, 35)
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Specification