Defibrillator and method of controlling defibrillator

Patent metadata

Field	Value
Publication number	US-9630016-B2
Application number	US-201514798814-A
Country	US
Kind code	B2
Filing date	Jul 14, 2015
Priority date	Aug 8, 2014
Publication date	Apr 25, 2017
Grant date	Apr 25, 2017

Abstract

A defibrillator includes: an impedance measuring section which is configured to obtain an impedance measurement value between a living body of a rescue target and electrodes; a controller which is configured to detect a kind of the electrodes, and which, based on the detected kind of the electrodes, is configured to perform determination of whether the impedance measurement value is to be output or not; and an outputting section which, based on the determination, is configured to output the impedance measurement value.

First claim

What is claimed is:

1. A defibrillator comprising:
a display;
a connector configured to implement a connection interface between the defibrillator and electrodes;
an impedance measuring section configured to obtain an impedance measurement value between a living body of a rescue target and the electrodes;
a controller configured to detect a kind of the electrodes connected to the defibrillator via the connector, determine whether the impedance measurement value is to be output, based on the detected kind of electrodes, and control the display to display the impedance measurement value in response to determining that the impedance measurement value is to be output and control the display not to display the impedance measurement value in response to determining that the impedance measurement value is not to be output.

2. The defibrillator according to claim 1 , wherein the controller, based on an operation mode of the defibrillator in addition to the detected kind of the electrodes, is configured to determine whether the impedance measurement value is to be output.

3. The defibrillator according to claim 2 , wherein, in a case the controller detects the kind of the electrodes to be disposable pads, and the operation mode is a pacing mode or a defibrillation mode, the controller is further configured to determine that the impedance measurement value is to be output.

4. The defibrillator according to claim 1 , wherein the controller controls the display to display the impedance measurement value and an impedance reference value at which the impedance between the living body and the rescue target is insufficient for the defibrillator to perform reliable defibrillation, on a display screen.

5. The defibrillator according to claim 4 , further comprising a speaker,
wherein controller is further configured to control the speaker to audibly output sound corresponding to the impedance measurement value in response to determining that the impedance measurement value is to be output and to control the speaker not to audibly output sound corresponding to the impedance measurement value in response to determining that the impedance measurement value is not to be output.

6. The defibrillator according to claim 4 , wherein, the controller is further configured to determine a difference between the impedance measurement value and the impedance reference value satisfies a predetermined condition, and control the defibrillator to output an alarm in response to determining the difference between the impedance measurement value and the impedance reference value satisfies the predetermined condition.

7. The defibrillator according to claim 4 , wherein the impedance measurement value is displayed in an impedance display bar.

8. The defibrillator according to claim 4 , wherein the impedance reference value comprises two values of an upper limit and a lower limit.

9. The defibrillator according to claim 4 , wherein the controller is further configured to control the defibrillator not to perform defibrillation when the impedance measurement value is higher than the impedance reference value.

10. The defibrillator according to claim 4 , wherein the controller is further configured to control the defibrillator to output an alarm when a difference between the impedance measurement value and the impedance reference value satisfies a predetermined condition.

11. The defibrillator according to claim 1 , wherein the electrodes which are connectable to the connector include external paddles, internal paddles, and disposable pads.

12. The defibrillator according to claim 1 , wherein the defibrillator is configured to operate in an operation mode, and
the operation mode includes a monitor mode, a defibrillation mode, and a pacing mode.

13. The defibrillator according to claim 1 , wherein the connector comprises connector pins corresponding to kinds of the electrodes.

14. The defibrillator according to claim 1 , wherein the controller is further configured to control the defibrillator not to perform defibrillation when the impedance measurement value satisfies a predetermined condition.

15. The defibrillator according to claim 1 , wherein the controller is further configured to control the defibrillator to output an alarm when the impedance measurement value satisfies a predetermined condition.

16. A defibrillator comprising:
a display;
a connector configured to implement a connection interface between the defibrillator and electrodes;
an impedance measuring section configured to obtain an impedance measurement value between a living body of a rescue target and the electrodes;
a controller configured to detect an operation mode of the defibrillator, determine whether the impedance measurement value is to be output based on the detected operation mode of the defibrillator, and control the display to display the impedance measurement value in response to determining that the impedance measurement value is to be output and control the display not to display the impedance measurement value in response to determining that the impedance measurement value is not to be output.

17. A method of controlling a defibrillator which is configured to apply an electrical shock to a rescue target, the method comprising:
obtaining an impedance measurement value between a living body of the rescue target and electrodes;
detecting a kind of the electrodes;
determining whether to output the impedance measurement value based on the detected kind of the electrodes; and
outputting the impedance measurement value in response to determining that the impedance measurement value is to be output and withholding the outputting of the impedance measurement value in response to determining that the impedance measurement value is not to be output.

18. A method of controlling a defibrillator which is configured to apply an electrical shock to a rescue target, the method comprising:
obtaining an impedance measurement value between a living body of the rescue target and electrodes;
detecting an operation mode of the defibrillator;
determining whether to output the impedance measurement value based on the detected operation mode of the defibrillator; and
outputting the impedance measurement value in response to determining that the impedance measurement value is to be output and withholding the outputting of the impedance measurement value in response to determining that the impedance measurement value is not to be output.

Assignees

• Nihon Kohden Corp

Inventors

• Wakabayashi Tsutomu
• Hayashi Satoshi

Classifications

• A61N1/3904

  External heart defibrillators [EHD] · CPC title

• A61N1/3925 Primary

  Monitoring; Protecting · CPC title

• A61N1/3993

  User interfaces for automatic external defibrillators · CPC title

• A61N1/3625

  External stimulators · CPC title

• A61N1/046

  Specially adapted for shock therapy, e.g. defibrillation · CPC title