WEARABLE THERAPEUTIC DEVICE

• US 20110288604A1
• Filed: 05/17/2011
• Published: 11/24/2011
• Est. Priority Date: 05/18/2010
• Status: Active Grant

• Current Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Original Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Inventors: Kaib, Thomas E., Oskin, Emil, Volpe, Shane
• Granted Patent: US 9,008,801 B2
• Time in Patent Office: Days
• US Class Current: 607/5
• CPC Class Codes: A61N 1/046 Specially adapted for shock therapy, e.g. defibrillation
• CPC Class Codes: A61N 1/0484 Garment electrodes worn by the patient
• CPC Class Codes: A61N 1/3906 characterised by the form of the shockwave
• CPC Class Codes: A61N 1/3918 characterised by shock pathway, e.g. by electrode configuration
• CPC Class Codes: A61N 1/3925 Monitoring; Protecting
• CPC Class Codes: A61N 1/3968 Constructional arrangements, e.g. casings A61N1/375 takes precedence
• CPC Class Codes: A61N 1/3987 characterised by the timing or triggering of the shock
• CPC Class Codes: A61N 1/3993 User interfaces for automatic external defibrillators

Abstract

A wearable therapeutic device that includes a garment configured to contain an external defibrillator. The garment is configured to house at least one of an alarm module and a monitor and to house a first therapy electrode and a second therapy electrode. The garment is also configured to releasably receive a receptacle that contains a conductive fluid proximate to at least one of the first therapy electrode and the second therapy electrode, and to electrically couple the receptacle with the garment.

Claims

1. A wearable therapeutic device, comprising:

a first therapy electrode and a second therapy electrode, each configured to be electrically coupled to an external defibrillator;

a garment configured to house the first therapy electrode and the second therapy electrode and to releasably receive a receptacle configured to store a conductive fluid in a location proximate to at least one of the first therapy electrode and the second therapy electrode.

2. The device of claim 1, wherein the garment is configured to be worn on a thorax of a subject and is configured to include the external defibrillator.

3. The device of claim 1, wherein the garment includes a belt configured to include at least one of an alarm module and a monitor, the belt further being configured to house the first therapy electrode and the second therapy electrode, to releasably receive the receptacle proximate to at least one of the first therapy electrode and the second therapy electrode, and to electrically couple the receptacle with the garment.

4. The device of claim 3, wherein the belt includes conductive thread configured to electrically couple the receptacle with at least one of the first therapy electrode and the second therapy electrode.

5. The device of claim 3, further comprising:

an induction coil configured to electrically couple the receptacle with the garment.

6. The device of claim 5, wherein a first winding of the induction coil is disposed in the belt, and wherein a second winding of the induction coil is disposed in the receptacle.

7. The device of claim 1, further comprising:

a connector configured to electrically couple the receptacle with the garment.

8. The device of claim 1, wherein the first therapy electrode is a front therapy electrode and the second therapy electrode is a first rear therapy electrode, the device further comprising a second rear therapy electrode;

wherein the receptacle includes a first receptacle having a first dose of conductive fluid disposed proximate to the first rear therapy electrode, a second receptacle having a second dose of conductive fluid disposed proximate to the second rear therapy electrode, and a third receptacle having a third dose of conductive fluid disposed proximate to the front therapy electrode; and

wherein the garment is configured to include the receptacle, the second receptacle, and the third receptacle.

9. The device of claim 8, further comprising:

a receptacle control unit configured to release the first dose from the first receptacle onto the first rear therapy electrode, to release the second dose from the second receptacle onto the second rear therapy electrode, and to release the third dose from the third receptacle onto the front therapy electrode;

wherein each of the first receptacle, the second receptacle, and the third receptacle is disposed in the garment and electrically coupled with the receptacle control unit; and

wherein the receptacle control unit is contained on exactly one of the first receptacle, the second receptacle, and the third receptacle.

10. The device of claim 8, further comprising:

a receptacle control unit configured to release the first dose from the first receptacle onto the first rear therapy electrode, to release the second dose from the to second receptacle onto the second rear therapy electrode, and to release the third dose from the third receptacle onto the front therapy electrode;

wherein the receptacle control unit is housed in the garment proximate to the front therapy electrode.

11. The device of claim 8, wherein:

the first receptacle includes a first receptacle control unit configured to release the first dose from the receptacle onto the first rear therapy electrode;

the second receptacle includes a second receptacle control unit configured to release the second dose from the second receptacle onto the second rear therapy electrode; and

the third receptacle includes a third receptacle control unit configured to release the third dose from the third receptacle onto the front therapy electrode.

12. The device of claim 1, further comprising:

at least one receptacle control unit configured to release the conductive fluid onto at least one of the first therapy electrode and the second therapy electrode.

13. The device of claim 1, wherein at least one of the first therapy electrode and the second therapy electrode is formed from conductive thread sewn into the garment.

14. The device of claim 1, wherein at least one of the first therapy electrode and the second therapy electrode includes conductive thread sewn into the garment.

15. The device of claim 14, wherein the conductive thread forms a stitched pattern in to the garment that includes at least one of a quadrilateral shape, a polygonal shape, a circular shape, an oval shape, a round shape, an oblong shape, a triangular shape, and at least two substantially parallel stitched lines.

16. The device of claim 14, wherein at least one of the first therapy electrode and the second therapy electrode includes a conductive element fixed to the garment by the conductive thread.

17. The device of claim 14, wherein the conductive thread is disposed in the garment between a subject wearing the device and at least one of the first therapy electrode and the second therapy electrode, with at least a portion of the garment disposed between the conductive thread and the subject.

18. The device of claim 1, wherein the garment includes an elastic tension member configured to hold the receptacle proximate to at least one of the first therapy electrode and the second therapy electrode.

19. The device of claim 1, wherein at least one of the first therapy electrode is disposed in a first pocket of the garment and the second therapy electrode is disposed in a second pocket of the garment, at least one of the first pocket and the second pocket including conductive thread sewn into the garment.

20. The device of claim 1, wherein the garment includes a sensing electrode, and wherein the sensing electrode includes conductive thread sewn into the garment.

21. The device of claim 1, wherein the receptacle comprises a battery, a plurality of doses of conductive fluid, a pressure sensor, and a receptacle control unit.

22. The device of claim 1, wherein the first therapy electrode and the second therapy electrode are encased within the garment.

23. The device of claim 1, further comprising:

a monitor, wherein the monitor is configured to indicate that the receptacle is at least one of absent from the garment, and improperly inserted into the garment.

24. The device of claim 23, wherein the monitor is configured to indicate at least one of a need to replace the receptacle, that the receptacle is expired, that the receptacle is approaching an expiration date, that the receptacle has a fault condition, and that the receptacle has expelled at least some of the conductive fluid.

25. The device of claim 1, further comprising:

a magnet disposed in the garment, wherein the garment includes a conductive pad proximate to the magnet, the conductive pad electrically coupled with a current source, and wherein the receptacle includes a contact element, wherein a magnetic force of the magnet is configured to mate the conductive pad with the contact element.

26. The device of claim 1, wherein the garment exerts between 0.050 and 1.70 lb of force on a subject, when the subject wears the garment.

27. The device of claim 1, wherein the first therapy electrode is a first front therapy electrode and the second therapy electrode is a rear therapy electrode, the device further comprising:

a second front therapy electrode.

28. A method of facilitating care of a subject, comprising:

providing a wearable therapeutic device configured to include an external defibrillator, the wearable therapeutic device having a garment configured to house a first therapy electrode and a second therapy electrode, the garment further configured to releasably receive a receptacle proximate to at least one of the first therapy electrode and the second therapy electrode, the receptacle configured to house a conductive fluid, wherein the garment is configured to electrically couple the receptacle with the wearable therapeutic device.

29. The method of claim 28, comprising:

providing instructions to operate the wearable therapeutic device, the instructions including at least one instruction directing the subject to dispose the receptacle proximate to at least one of the first therapy electrode and the second therapy electrode.

30. The method of claim 28, comprising:

providing instructions to operate the wearable therapeutic device, the instructions including at least one instruction directing the subject to interface with a user interface to prevent the delivery of an electric shock to the subject.

31. The method of claim 28, comprising:

providing the wearable therapeutic device, wherein the garment includes a belt configured to house the first therapy electrode and the second therapy electrode, the belt further configured to releasably receive the receptacle proximate to at least one of the first therapy electrode and the second therapy electrode, the receptacle configured to house the conductive fluid, wherein the belt is configured to electrically couple the receptacle with the wearable therapeutic device.