Apparatus and display methods relating to intravascular placement of a catheter
First Claim
1. A method for displaying ECG signal data of a node of a patient, comprising:
- detecting the ECG signal data with an ECG sensor component at least partially disposed in the patient, the ECG sensor component having a processor and being included in a catheter placement system;
sampling the ECG signal data;
identifying a first ECG waveform and a second ECG waveform from the sampled ECG signal data by the processor of the ECG sensor component;
defining at least one parameter of a display window of the catheter placement system; and
displaying the first ECG waveform and the second ECG waveform in the display window according to the at least one parameter of the display window, wherein displaying the first ECG waveform and the second ECG waveform includes;
displaying (i) a first horizontal line that traces a peak of a P-wave portion of the first ECG waveform having a first amplitude; and
(ii) a second horizontal line that traces a peak of a P-wave portion of the second ECG waveform having a second amplitude, the second amplitude being different than the first amplitude.
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Abstract
An integrated catheter placement system for accurately placing a catheter within a patient'"'"'s vasculature is disclosed. In one embodiment, the integrated system comprises a system console, a tip location sensor for temporary placement on the patient'"'"'s chest, and an ultrasound probe. The tip location sensor senses a magnetic field of a stylet disposed in a lumen of the catheter when the catheter is disposed in the vasculature. The ultrasound probe ultrasonically images a portion of the vasculature prior to introduction of the catheter. ECG signal-based catheter tip guidance is included in the integrated system to enable guidance of the catheter tip to a desired position with respect to a node of the patient'"'"'s heart. Various aspects for visualizing and manipulating display of the ECG signal data acquired via the present system, together with aspects of various ECG sensor configurations, are also disclosed.
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Citations
13 Claims
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1. A method for displaying ECG signal data of a node of a patient, comprising:
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detecting the ECG signal data with an ECG sensor component at least partially disposed in the patient, the ECG sensor component having a processor and being included in a catheter placement system; sampling the ECG signal data; identifying a first ECG waveform and a second ECG waveform from the sampled ECG signal data by the processor of the ECG sensor component; defining at least one parameter of a display window of the catheter placement system; and displaying the first ECG waveform and the second ECG waveform in the display window according to the at least one parameter of the display window, wherein displaying the first ECG waveform and the second ECG waveform includes;
displaying (i) a first horizontal line that traces a peak of a P-wave portion of the first ECG waveform having a first amplitude; and
(ii) a second horizontal line that traces a peak of a P-wave portion of the second ECG waveform having a second amplitude, the second amplitude being different than the first amplitude. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for displaying an ECG waveform of a node of a patient, comprising:
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detecting ECG signal data with an ECG sensor component at least partially disposed in the patient, the ECG sensor component having a processor and being included in a catheter placement system; sampling the ECG signal data; identifying a first ECG waveform and a second ECG waveform from the sampled ECG signal data by the processor of the ECG sensor component; identifying a characteristic of the first ECG waveform and a characteristic of the second ECG waveform by the processor of the ECG sensor component; and displaying the first ECG waveform and the second ECG waveform in a display window of the catheter placement system, wherein displaying the first ECG waveform and the second ECG waveform includes;
displaying (i) a first horizontal line that traces a peak of the characteristic of the first ECG waveform having a first amplitude and;
(ii) a second horizontal line that traces a peak of the characteristic of the second ECG waveform having a second amplitude, the second amplitude being different than the first amplitude. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification