INVASIVE CARDIOLOGY DIGITAL SIGNAL AMPLIFIER AND ACQUISITION DEVICE

• US 20070276272A1
• Filed: 08/25/2006
• Published: 11/29/2007
• Est. Priority Date: 05/15/2006
• Status: Active Grant

• Current Assignee: General Electric Company
• Original Assignee: General Electric Company
• Inventors: Schneidewend, Daniel R., Peschke, James M., Schmit, Rodger F., McOlash, Michael
• Granted Patent: US 7,873,409 B2
• Time in Patent Office: Days
• US Class Current: 600/509
• CPC Class Codes: A61B 2560/045 with a separable interface unit, e.g. for communication
• CPC Class Codes: A61B 5/287 Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
• CPC Class Codes: A61B 5/30 Input circuits therefor
• CPC Class Codes: A61B 5/308 for electrocardiography [ECG]
• CPC Class Codes: A61B 5/7217 of noise originating from a therapeutic or surgical apparatus, e.g. from a pacemaker
• CPC Class Codes: A61N 1/37 Monitoring; Protecting
• CPC Class Codes: A61N 1/3931 Protecting, e.g. back-up systems

Abstract

The digital signal amplifier and acquisition system includes at least one catheter input module (CIM) configured to receive, route and digitize incoming analog cardiac signals from a number of catheters, as well as outgoing stimulator pulses. A plurality of CIMs are mechanically stacked and electrically daisy-chained and coupled with a mounting. The mounting platter is clamped to the bedrail and provides a single digital output cable to the base. The system also includes an acquisition device and the aforementioned base, which is configured to collect, filter and distribute the acquired data. Lastly an analog output module receives filtered digital signals from the base and is configured to reconstruct analog representations of such filtered digital signals for outside devices.

Claims

1. A data acquisition system in communication to receive an analog cardiac data from a catheter of a patient situated on a support structure, the system comprising:

at least one catheter input module configured to receive and convert the set of analog cardiac data to a set of digital data;

a mount coupled in communication to receive the set of digital data from the at least one catheter input module; and

a base unit coupled in communication to receive the set of digital data from the mount and further configured to filter and distribute the set of digital data.

2. The system as claimed in claim 1, further comprising an analog output module coupled with the base unit and configured to receive a filtered set of digital data from the base unit, and further configured to convert the filtered set of digital data to a reconstructed analog signal.

3. The system as claimed in claim 1, further comprising an acquisition device coupled with the base unit, the acquisition device configured to control the collection of a plurality of physiological parameters from a patient.

4. The system as claimed in claim 1, wherein the mount includes an emergency stimulator connector configured to provide a pulse to the patient catheter wherein the pulse from the emergency stimulator connector is provided in the event of total system failure.

5. The system as claimed in claim 1, wherein the mount includes an auxiliary reference input configured to collect a non-catheter patient input.

6. The system as claimed in claim 1, wherein the at least one catheter input module includes a plurality of inputs.

7. The system as claimed in claim 6, wherein the mount includes a test signal generator configured to test the functionality of any of the plurality of inputs of the catheter input module.

8. The system as claimed in claim 6, further comprising a plurality of catheter input modules, wherein each of the plurality of catheter input modules is electrically and mechanically coupled to each other and with the mount.

9. The system as claimed in claim 1, wherein the mount is fastened to a patient bed.

10. A method of cardiology signal acquisition and amplification for distribution to at least a display, the method comprising the steps of:

collecting a set of analog cardiac data from a patient catheter;

converting the set of analog cardiac data directly to a set of digital data within a cardiac input module without amplification;

communicating the set of digital data from the cardiac input module to a mount;

communicating the set of digital data from the mount to a base unit, wherein the base unit is configured to filter and distribute the set if digital data for illustration on the display.

11. The method as claimed in claim 10, further comprising receiving a filtered set of digital data in an analog output module from the base unit, wherein the analog output module is configured to convert the filtered set of digital data to a reconstructed analog signal.

12. The method as claimed in claim 10, further comprising coupling an acquisition device with the base unit, the acquisition device configured to control the collection of a plurality of physiological parameters from a patient.

13. The method as claimed in claim 10, wherein the mount includes an emergency stimulator connector configured to provide a pulse to the patient catheter in the event of total system failure.

14. The method as claimed in claim 10, wherein the mount includes an auxiliary reference input configured to collect a non-catheter patient input.

15. The method as claimed in claim 10, wherein the at least one catheter input module includes a plurality of inputs.

16. The method as claimed in claim 15, wherein the mount includes a test signal generator configured to test the functionality of any of the plurality of inputs of the catheter input module.

17. The method as claimed in claim 15, wherein the at least one catheter input module is a plurality of catheter input modules, wherein each of the plurality of catheter input modules is electrically and mechanically coupled to each other and with the mount.

18. The method as claimed in claim 10, wherein the mount is fastened to a patient bed.