MEGNETIC ELECTRICAL CONNECTOR FOR PATIENT MONITORS

• US 20120088984A1
• Filed: 09/27/2011
• Published: 04/12/2012
• Est. Priority Date: 09/28/2010
• Status: Active Grant

• Current Assignee: Masimo Corporation
• Original Assignee: JP Morgan Chase Bank, N.A. (JP Morgan Chase & Co)
• Inventors: Al-Ali, Ammar, Kinast, Eric Karl
• Granted Patent: US 9,775,545 B2
• Time in Patent Office: Days
• US Class Current: 600/301
• CPC Class Codes: A61B 2562/227 Sensors with electrical connectors
• CPC Class Codes: A61B 2562/245 Means for cleaning the sensor in-situ or during use, e.g. hygienic wipes
• CPC Class Codes: A61B 5/14551 for measuring blood gases
• CPC Class Codes: A61B 5/14553 specially adapted for cerebral tissue
• CPC Class Codes: A61B 5/369 Electroencephalography [EEG] devices for psychotechnics A61B5/16
• CPC Class Codes: A61B 5/6814 Head

Abstract

The present disclosure relates to an electrical connector for providing signal isolation between various components of a physiological monitoring system. In an embodiment, the electrical connector is placed between a sensor and associated monitoring system and includes a physical barrier and inductive components.

Claims

1. A system for isolation of electrical components of a physiological monitoring system comprising:

a sensor for detecting an indication of a physiological parameter;

a patient monitoring system for displaying information transmitted from the sensor;

an instrument cable connecting the sensor and the patient monitoring system;

a sensor cable connecting the sensory components of the sensor to the instrument cable; and

a signal isolation coupling located along the sensor cable.

2. The system for isolation of electrical components between components of a physiological monitoring system of claim 1 wherein the sensor is an EEG sensor.

3. The system for isolation of electrical components of a physiological monitoring system of claim 1 wherein the sensor is a pulse oximeter.

4. The system for isolation of electrical components of a physiological monitoring system of claim 1 wherein the sensor is a combination cerebral oximeter and EEG forehead sensor.

5. The system for isolation of a electrical components of a physiological monitoring system of claim 4 wherein the EEG forehead sensor includes a disposable portion that contains an EEG electrode cable connecting a set of EEG electrodes to the sensor cable.

6. The system for isolation of electrical components of a physiological monitoring system of claim 5 wherein EEG electrode cable includes a signal isolation coupling.

7. The system for isolation of electrical components of a physiological monitoring system of claim 5 wherein the cerebral oximeter is reusable.

8. The system for isolation of electrical components of a physiological monitoring system of claim 1 wherein the signal isolation coupling contains an insulating barrier.

9. The system for isolation of electrical components of a physiological monitoring system of claim 1 wherein the signal isolation coupling contains inductive components.

10. The system for isolation of electrical components of a physiological monitoring system of claim 9 wherein the inductive components include transformers.

11. A forehead sensor for isolation of electrical components of the sensor comprising:

at least one sensory component for detecting an indication of a physiological parameter of a patient;

a sensor cable connected to the at least one sensory component for providing power and communication to the at least one sensory component; and

a signal isolation coupling along the sensor cable.

12. The forehead sensor for isolation of electrical components of the sensor of claim 11 wherein the at least one sensory component is a plurality of EEG electrodes.

13. The forehead sensor for isolation of electrical components of the sensor of claim 11 wherein the at least one sensory component is a cerebral oximeter or pulse oximeter.

14. The forehead sensor for isolation of electrical components of the sensor of claim 12 wherein the signal isolation coupling contains an insulating barrier.

15. The forehead sensor for isolation of electrical components of the sensor of claim 14 wherein the signal isolation coupling includes inductive components.

16. A combination cerebral oximeter and EEG forehead sensor for isolation of electrical components comprising:

a reusable portion containing cerebral oximeter sensor components capable of detecting the cerebral oxygenation of matter inside the cerebral cavity;

a disposable portion containing EEG electrodes capable of detecting electrical activity on a patient'"'"'s skin;

a disposable cable connecting the EEG electrodes to the reusable portion; and

a signal isolation coupling connecting the disposable cable to the reusable portion.

17. The combination cerebral oximeter and EEG forehead sensor of claim 16 wherein the signal isolation coupling includes an insulating barrier.

18. The combination cerebral oximeter and EEG forehead sensor of claim 17 wherein the insulating barrier completely surrounds the signal isolation coupling to allow easy cleaning of the signal isolation coupling.

19. The combination cerebral oximeter and EEG forehead sensor of claim 17 wherein the signal isolation coupling includes inductive components.

20. The combination cerebral oximeter and EEG forehead sensor of claim 17 wherein the signal isolation coupling includes transformers.