IP Library › Granted Patent US 12,214,111
Granted Patent B2
US 12,214,111 · App. 18/581,326 · Granted Feb 4, 2025

Positioning of sensors for sensor enabled wound monitoring or therapy

Inventors: Philip Gowans (Doncaster, GB); Allan Kenneth Frazer Grugeon Hunt (Beverley, GB); Marcus Damian Phillips (Wakefield, GB); Damian Smith (Swanland, GB); Charlotte Urwin (Hull, GB)
Assignee: Smith & Nephew PLC
A61M1/00A61B5/0531A61B5/14551A61B5/445A61F13/84A61M1/73A61M1/915A61M1/916A61M1/95A61B2560/0468A61B2562/063A61B2562/08A61F2013/8473A61F2013/8497A61M1/982A61M1/985
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Quick Facts
Patent No.
US 12,214,111
App. No.
18/581,326
Filed
Feb 19, 2024
Granted
Feb 4, 2025
Kind
B2
Art Unit
3792
USPC
600/301
Abstract

Embodiments of apparatuses and methods for determining a positioning of sensors in a wound dressing are disclosed. In some embodiments, a wound monitoring and/or therapy system can include a wound dressing and a plurality of sensors configured to measure one or more wound characteristics. The wound monitor system can also include at least one positioning device configured to indicate position and/or orientation in the wound of a sensor of the plurality of sensors. In some embodiments, a detector can be configured to determine, based on the positioning data, the position and/or orientation in the wound of the sensor of the plurality of sensors. In some embodiments, the plurality of sensors can be positioned on a strip or string of material in communication with the positioning device.

Claims (23)

1. A method of operating wound monitoring and/or therapy system, comprising a wound dressing configured to be positioned in contact with a wound, the wound dressing comprising a sensor support material comprising a plurality of sensors on a linear sensor strip or string of sensors configured to measure one or more wound characteristics, wherein sensor support material comprises an extendable material, wherein the plurality of sensors are configured to be positioned in at least one of the wound or an area surrounding the wound and the plurality of sensors are positioned on a wound-facing surface of the sensor support material so that the plurality of sensors comes into contact with the wound, the method comprising:

collecting, from a positioning device positioned in or on the wound dressing, positioning data with a detector positioned over the wound dressing when the wound dressing is positioned over the wound; and

determining, with a controller, position and/or orientation in the wound of a first sensor from the plurality of sensors based on the positioning data.

2. The method of claim 1 , wherein the sensor support material comprising a plurality of conductive tracks positioned on the sensor support material interconnecting the plurality of sensors.

3. The method of claim 2 , the plurality of conductive tracks configured to maintain connectivity when the wound dressing has been stretched.

4. The method of claim 1 , wherein the sensor support material comprises a plurality of slits positioned between at least two adjacent tracks, positioned between at least two adjacent sensors, or positioned between at least one track and at least one adjacent sensor.

5. The method of claim 1 , wherein the plurality of sensors comprises at least one nanosensor, thermistor, conductivity sensor, Sp02 sensor, pH sensor, color sensor, optical sensor, impedance sensor, and/or electrode.

6. The method of claim 5 , wherein the optical sensor comprises at least one of a red, green, blue, and clear (RGBC) sensor and/or red, green, blue, and white (RGBW) sensor.

7. The method of claim 1 , wherein the positioning device is configured to wirelessly communicate with the linear sensor strip or string of sensors.

8. The method of claim 1 , wherein the at least one positioning device is configured to electrically communicate with the linear sensor strip or string of sensors.

9. The method of claim 1 , wherein the detector comprises a controller configured to determine the position and/or orientation in the wound of the first sensor of the plurality of sensors based at least on the indicated position and/or orientation and a relationship between positions and/or orientations in the wound dressing and/or the wound of the positioning device and first sensor.

10. The method of claim 9 , wherein the relationship comprises at least known position and/or orientation offset between the positioning device and the first sensor.

11. The method of claim 1 , wherein a portion of the positioning device is positioned outside of the wound.

12. The method of claim 1 , wherein the positioning device comprises at least one marking configured to communicate positioning information.

13. The method of claim 12 , wherein the at least one marking comprises at least one of a barcode, a number, a letter, an alphanumeric code, a standard shape, an irregular shape, or a logo.

14. The method of claim 1 , wherein the wound dressing is configured to communicate negative pressure to the wound.

15. A wound monitoring and/or therapy system, comprising:

a wound dressing configured to be positioned in contact with a wound, the wound dressing comprising:

a plurality of sensors configured to measure one or more wound characteristics, wherein the plurality of sensors are arranged on a support material, wherein the plurality of sensors are positioned on a wound-facing surface of the support material so that the plurality of sensors comes into contact with the wound;

a plurality of conductive tracks interconnecting the plurality of sensors, the plurality of conductive tracks configured to maintain connectivity when the wound dressing has been stretched; and

a slit formed in a portion of the support material on which a sensor of the plurality of sensors is positioned, the slit positioned substantially around a perimeter of the sensor, and the slit being configured to allow the sensor to maintain contact with the wound when the support material undergoes stress.

16. The system of claim 15 , wherein the sensor comprises a conductive pad for measuring impedance.

17. The system of claim 15 , wherein the slit does not completely surround the perimeter of the sensor.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2024
From: GOWANS, PHILIP
To: T.J.SMITH AND NEPHEW,LIMITED
Reel/Frame 069657/0160 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2024
From: T.J.SMITH AND NEPHEW,LIMITED
To: SMITH & NEPHEW PLC
Reel/Frame 069657/0189 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2024
From: HUNT, ALLAN KENNETH FRAZER GRUGEON; PHILLIPS, MARCUS DAMIAN; SMITH, DAMIAN; URWIN, CHARLOTTE
To: T.J.SMITH AND NEPHEW,LIMITED
Reel/Frame 069657/0943 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2024
From: T.J.SMITH AND NEPHEW,LIMITED
To: SMITH & NEPHEW PLC
Reel/Frame 069657/0952 →
Continuity (3)
Continuation 16638074
Provisional Application 62543909 · Aug 10, 2017
Related Publication 20240189492A1 · Jun 13, 2024
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