System for sharing electrocardiogram electrodes and transducers
First Claim
Patent Images
1. A catheter arrangement capable of providing data signals for ECG recording and ultrasonic tracking, comprising:
- a catheter having a catheter shaft;
a plurality of detection means arranged along the catheter shaft comprising;
inner conductor means formed on the catheter shaft;
outer conductor means surrounding the inner conductor means;
a piezoelectric material arranged between the inner conductor means and the outer conductor means;
ground conductor means extending from one of the inner conductor means and the outer conductor means; and
power conductor means extending from one of the inner conductor means and the outer conductor means,wherein the inner and outer conductor means and piezoelectric material serve as transducer means and the outer conductor means serves as an electrode.
1 Assignment
0 Petitions
Accused Products
Abstract
A device having a combined electrode (20) and position tracking transducer (30) mounted to a surgical instrument, such as a catheter (10). In a preferred embodiment of the invention, the electrode (20) serves dual functions, namely as a standard ECG electrode for communicating an ECG voltage, and as an electrode transducer, such as a conductor for a transducer. The combined ECG electrode and position tracking transducer minimizes the amount of space needed on the surgical instrument and the number of required components.
214 Citations
18 Claims
-
1. A catheter arrangement capable of providing data signals for ECG recording and ultrasonic tracking, comprising:
-
a catheter having a catheter shaft; a plurality of detection means arranged along the catheter shaft comprising; inner conductor means formed on the catheter shaft; outer conductor means surrounding the inner conductor means; a piezoelectric material arranged between the inner conductor means and the outer conductor means; ground conductor means extending from one of the inner conductor means and the outer conductor means; and power conductor means extending from one of the inner conductor means and the outer conductor means, wherein the inner and outer conductor means and piezoelectric material serve as transducer means and the outer conductor means serves as an electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A catheter for use with an ECG recording and ultrasonic tracking device, the catheter comprising:
-
an elongated catheter shaft means; a plurality of detection means arranged along the shaft means, each of the detection means comprising; inner conductor means arranged on the shaft means, outer conductor means surrounding the inner conductor means, piezoelectric material arranged between the inner conductor means and the outer conductor means, first conductor lead means extending from the outer conductor means, and second conductor lead means extending from the inner conductor means; wherein the inner conductor means, the outer conductor means and the piezoelectric material therebetween provide an ultrasonic transducer means, and the outer conductor means provides a mapping electrode; and switching means for switching between an ECG recording mode and an ultrasonic tracking mode, wherein the outer conductor means is active as the mapping electrode in the ECG recording mode, and the outer conductor means, the inner conductor means, and the piezoelectric material therebetween are active as a transducer means during the ultrasonic tracking mode. - View Dependent Claims (9, 10)
-
-
11. A system for ECG recording and position tracking, the system comprising:
-
instrument means adapted for insertion into an associated body to facilitate conducting a specified surgical procedure, the instrument means including support means; a plurality of detection means arranged on the support means, each of the detection means comprising; inner conductor means mounted to the support means, outer conductor means surrounding the inner conductor means, piezoelectric material arranged between the inner conductor means and the outer conductor means, first conductor lead means extending from the inner conductor means, and second conductor lead means extending from the outer conductor means, wherein the inner conductor means, the outer conductor means and the piezoelectric material therebetween provide an ultrasonic transducer means, and the outer conductor means provides a mapping electrode; and switching means for switching between an ECG recording mode and an ultrasonic tracking mode, wherein the outer conductor means is active as the mapping electrode in the ECG recording mode, and in the ultrasonic tracking mode, the outer conductor means, the inner conductor means, and the piezoelectric material therebetween are active as a transducer means. - View Dependent Claims (12, 13, 14, 15)
-
-
16. A recording and tracking system having a merged electrode and transducer comprising:
-
an instrument adapted for insertion into an associated body to conduct a surgical procedure, the instrument including support means; inner conductor means mounted to the support means; outer conductor means surrounding the inner conductor means; piezoelectric material arranged between the inner conductor means and the outer conductor means; first conductor lead means extending from the inner conductor means; second conductor lead means extending from the outer conductor means; wherein the inner conductor means, the outer conductor means and the piezoelectric material therebetween form a transducer means, and the outer conductor means forms an electrode; and switching means for switching between the activation of the transducer means and the activation of the electrode, wherein tracking occurs when the transducer means is active and recording occurs when the electrode is active. - View Dependent Claims (17, 18)
-
Specification