IP Library Granted Patent US 10,478,632
Granted Patent B2
US 10,478,632 · App. 15/989,800 · Granted Nov 19, 2019

Intelligent synch mode for defibrillation

Inventors: Robert G. Walker (Seattle, WA); Fred W. Chapman (Newcastle, WA); Isabelle Banville (Newcastle, WA); James W. Taylor (Laguna Niguel, CA)
Assignee: Physio-Control, Inc.
A61N1/3987A61N1/3931A61N1/3937A61N1/3993
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Quick Facts
Patent No.
US 10,478,632
App. No.
15/989,800
Granted
Nov 19, 2019
Kind
B2
Abstract

The defibrillator may include a heart rhythm detector to detect the heart rhythm of a patient, a manual mode controller structured to set the defibrillator in a synchronous shock operating mode or an asynchronous shock operating mode depending on an input from a human operator, a shock module to cause the defibrillator to deliver a shock to the patient according to the operating mode, and an automatic mode controller structured to, after the shock module has delivered the shock to the patient, set the external defibrillator to the synchronous shock operating mode or the asynchronous shock operating mode depending on the detected heart rhythm of the patient and without input from the human operator.

Claims (45)

1. A defibrillator comprising:

a plurality of operating modes including a synchronous shock operating mode and an asynchronous shock operating mode;

a heart rhythm detector that detects the heart rhythm of a shock recipient;

a manual mode controller that sets the defibrillator in the synchronous shock operating mode or the asynchronous shock operating mode;

a shock module that causes the defibrillator to deliver a shock to the shock recipient according to the operating mode of the defibrillator; and

an automatic mode controller that sets the defibrillator to the synchronous shock operating mode or the asynchronous shock operating mode depending on the detected heart rhythm of the shock recipient.

2. The defibrillator of claim 1 , in which

the manual mode controller sets the defibrillator in the synchronous shock operating mode depending on an input.

3. The defibrillator of claim 1 , in which

the manual mode controller sets the defibrillator in the asynchronous shock operating mode depending on an input.

4. The defibrillator of claim 2 , wherein

the input comprises an input from an operator of the defibrillator.

5. The defibrillator of claim 1 , wherein

the automatic mode controller sets the defibrillator after the defibrillator has delivered a shock.

6. The defibrillator of claim 1 , wherein

the automatic mode controller sets the defibrillator after the defibrillator has delivered a shock.

7. The defibrillator of claim 1 , wherein

the automatic mode controller sets the defibrillator to the synchronous shock operating mode without an input from an operator.

8. The defibrillator of claim 7 , wherein

the automatic mode controller sets the defibrillator to the synchronous shock operating mode without an input from the shock recipient.

9. The defibrillator of claim 8 , wherein

the input from shock recipient is representative of a condition of the shock recipient.

10. The defibrillator of claim 1 , wherein

the automatic mode controller sets the defibrillator to the asynchronous shock operating mode without an input from an operator.

11. The defibrillator of claim 10 , wherein

the automatic mode controller sets the defibrillator to the synchronous shock operating mode without an input from the shock recipient.

12. The defibrillator of claim 11 , wherein

the input from the shock recipient is representative of a condition of the shock recipient.

13. The defibrillator of claim 1 , wherein

the synchronous shock operating mode operates to deliver a shock that is timed to correlate with a certain QRS complex in a heart rhythm.

14. The defibrillator of claim 1 , wherein

the asynchronous shock operating mode is distinct from the synchronous operating mode in which delivery of a shock is timed independent of a certain QRS complex in a heart.

15. The defibrillator of claim 14 , wherein

the heart rhythm detector detects at least one of an electrocardiogram (ECG) or a pulsatile blood flow monitor to determine the heart rhythm.

16. The defibrillator of claim 15 , in which

the automatic mode controller sets the defibrillator in the synchronous shock operating mode after the shock has been delivered,

when the detected ECG includes a QRS complex after the shock has been delivered.

17. The defibrillator of claim 1 , further comprising:

a processor that includes the automatic mode controller.

18. The defibrillator of claim 1 , wherein

the defibrillator comprises an external defibrillator.

19. The defibrillator of claim 1 , wherein

the heart rhythm detector detects the heart rhythm of the shock recipient a plurality of times after the shock has been delivered to the shock recipient.

20. The defibrillator of claim 1 , wherein

the heart rhythm detector analyzes the heart rhythm of the shock recipient before a shock is delivered.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 11, 2019
From: WALKER, ROBERT G.; CHAPMAN, FRED W., DR.; TAYLOR, JAMES W.; BANVILLE, ISABELLE
To: PHYSIO-CONTROL, INC.
Reel/Frame 049724/0459 →
Continuity (3)
Continuation 13835261 · Mar 15, 2013
Provisional Application 61707435 · Sep 28, 2012
Related Publication 20180272148A1 · Sep 27, 2018