Defibrillating or cardioverting electric shock system including electrodes
First Claim
1. A device for delivering a defibrillating or cardioverting electric shock to a patient with recurrent cardiac tachyarrhythmias, comprising:
- a catheter of insulating material and having a distal end for insertion through the right atrium and into the right ventricle of said patient'"'"'s heart;
sensor means for sensing the rhythm of the patient'"'"'s heart beat and transmitting internal cardiac signals corresponding thereto, said sensor means being mounted on said distal end of said catheter;
at least one discharge electrode for discharging electric current including a first discharge electrode being mounted on said catheter at a first distance from said distal end of said catheter to lie in the right ventricle of said patient'"'"'s heart away from the interior surface of the heart wall;
exterior electrode means fitted for sensing the rhythm of the patient'"'"'s heart beat and creating external and external to internal cardiac sigansl corresponding thereto, and for discharging electric current between said external electrodes and at least one of the internal electrodes in order to perform electrical defibrillation or cardioversion;
control means including energy means for providing cardioverting or defibrillating energy, and conductor means for operably connecting said sensor means, said discharge electrodes and said exterior electrode means to said control means, said control means including means for receiving said internal and external cardiac signals through said conductor means and means for transmitting, through said conductor means to said exterior electrode means and said first discharge electrode, upon determining a state of ventricular tachycardia or fibrillation, either said cardioverting or defibrillation energy to deliver, respectively, a cardioverting or defibrillating electrical shock.
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Accused Products
Abstract
A device for a defibrillating or cardioverting electric shock to a patient for correcting securement tachyarrhythmias features of a catheter for insertion through the right atrium and into the right ventricle for locating a heartbeat sensor inside the heart and at least one discharge electrode in the right ventricle spaced from the interior surface of the heart, another discharge electrode external to the heart and circuitry connected by the catheter between the sensor and discharge electrodes for supplying electric shock to the discharge electrodes in response to a signal from the heartbeat sensor.
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Citations
23 Claims
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1. A device for delivering a defibrillating or cardioverting electric shock to a patient with recurrent cardiac tachyarrhythmias, comprising:
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a catheter of insulating material and having a distal end for insertion through the right atrium and into the right ventricle of said patient'"'"'s heart; sensor means for sensing the rhythm of the patient'"'"'s heart beat and transmitting internal cardiac signals corresponding thereto, said sensor means being mounted on said distal end of said catheter; at least one discharge electrode for discharging electric current including a first discharge electrode being mounted on said catheter at a first distance from said distal end of said catheter to lie in the right ventricle of said patient'"'"'s heart away from the interior surface of the heart wall; exterior electrode means fitted for sensing the rhythm of the patient'"'"'s heart beat and creating external and external to internal cardiac sigansl corresponding thereto, and for discharging electric current between said external electrodes and at least one of the internal electrodes in order to perform electrical defibrillation or cardioversion; control means including energy means for providing cardioverting or defibrillating energy, and conductor means for operably connecting said sensor means, said discharge electrodes and said exterior electrode means to said control means, said control means including means for receiving said internal and external cardiac signals through said conductor means and means for transmitting, through said conductor means to said exterior electrode means and said first discharge electrode, upon determining a state of ventricular tachycardia or fibrillation, either said cardioverting or defibrillation energy to deliver, respectively, a cardioverting or defibrillating electrical shock. - View Dependent Claims (3, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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2. A device for delivering a defibrillating or cardioverting electric shock to a patient with recurrent cardiac tachyarrhythmias, comprising:
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a catheter of insulating material and having a distal end for insertion through the right atrium and into the right ventricle of said patient'"'"'s heart; sensor means for sensing the rhythm of the patient'"'"'s heart beat and transmitting internal cardiac signals corresponding thereto, said sensor means being mounted on said distal end of said catheter; at least one discharge electrode for discharging electric current including a first discharge electrode being mounted on said catheter at a first distance from said distal end of said catheter to lie in the right ventricle of said patient'"'"'s heart; spacing means mounted on said catheter for spacing said first discharge electrode from the interior surface of the heart wall; exterior electrode means fitted for sensing the rhythm of the patient'"'"'s heart beat and creating external and external to internal cardiac signals corresponding thereto, and for discharging electric current between said external electrodes and at least one of the internal electrodes in order to perform electrical defibrillation or cardioversion; control means including energy means for providing cardioverting or defibrillating energy, and conductor means for operably connecting said sensor means, said discharge electrodes and said exterior electrode means to said control means, said control means including means for receiving said internal and external cardiac signals through said conductor means and means for transmitting, through said conductor means to said exterior electrode means and said first discharge electrode, upon determining a state of ventricular tachycardia or fibrillation, either said cardioverting or defibrillation energy to deliver, respectively, a cardioverting or defibrillating electrical shock. - View Dependent Claims (4, 14, 15, 16, 17)
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18. A cardiac defibrillator for delivering a defibrillating or cardioverting electric shock to a patient with recurrent cardiac tachyarrhythmias, comprising:
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a catheter of insulating material and having a distal end, said catheter for insertion through the right atrium and into the right ventricle of a patient'"'"'s heart; a pluraity of electrodes including at least one exterior electrode and including a first discharge electrode being mounted on said catheter at a first distance from said distal end of said catheter to lie in the right ventricle of said patient'"'"'s heart; spacer means for spacing said first discharge electrode from the interior surface of the heart wall; and control means including energy means for providing cardioverting or defibrillating energy; and
conductor means for operably connecting said electrodes to said control means, said control means further including means for transmitting said energy to deliver respectively, through said conductor means to said exterior and first discharge electrodes a cardioverting or defibrillating electrical shock. - View Dependent Claims (19, 20, 21, 22)
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23. A device for delivering a defibrillating or cardioverting electric shock to a patient with recurrent cardiac tachyarrhythmias, comprising:
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a catheter of insulating material and having a distal end for insertion through the right atrium and into the right ventricle of a patient'"'"'s heart; a plurality of discharge electrodes including a first discharge metallic ring shaped electrode being mounted on said catheter at a first distance from said distal end of said catheter to lie in the right ventricle of said patient'"'"'s heart; spacing means mounted on said catheter for spacing said first discharge electrode from the interior surface of the heart wall.
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Specification