Wound care and infusion method and system utilizing a therapeutic agent

• US 10,300,180 B1
• Filed: 10/11/2017
• Issued: 05/28/2019
• Est. Priority Date: 03/11/2013
• Status: Active Grant

• Current Assignee: The Thermotek Incorporated
• Original Assignee: The Thermotek Incorporated
• Inventors: Quisenberry, Tony, McSpadden, Sam K., Balachandran, Niran, Lasalle, Robert K., Anderson, Thomas C., Davis, Kathryn
• Primary Examiner(s): Weng, Kai
• Application Number:
  US15/730,421
• Time in Patent Office: 594 Days
• CPC Class Codes: A61F 13/05 specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
• CPC Class Codes: A61F 2013/0017 possibility of applying fluid
• CPC Class Codes: A61L 2/0047 Ultraviolet radiation
• CPC Class Codes: A61L 2202/11 Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
• CPC Class Codes: A61L 2202/14 Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
• CPC Class Codes: A61M 1/75 Intermittent or pulsating suction A61M1/63, A61M1/772 take precedence
• CPC Class Codes: A61M 1/92 with liquid supply means
• CPC Class Codes: A61M 1/94 with gas supply means
• CPC Class Codes: A61M 1/96 Suction control thereof
• CPC Class Codes: A61M 1/964 having venting means on or near the dressing
• CPC Class Codes: A61M 2202/0208 Oxygen
• CPC Class Codes: A61M 2205/053 ultraviolet
• CPC Class Codes: A61M 2205/3337 Controlling, regulating pressure or flow by means of a valve by-passing a pump
• CPC Class Codes: A61M 2205/3344 Measuring or controlling pressure at the body treatment site
• CPC Class Codes: A61M 2205/3592 using telemetric means, e.g. radio or optical transmission
• CPC Class Codes: A61M 2205/36 related to heating or cooling
• CPC Class Codes: A61M 2205/366 by liquid heat exchangers
• CPC Class Codes: A61M 2205/3673 thermo-electric, e.g. Peltier effect, thermocouples, semi-conductors
• CPC Class Codes: A61M 2205/50 with microprocessors or computers
• CPC Class Codes: A61M 2205/502 User interfaces, e.g. screens or keyboards
• CPC Class Codes: A61M 2205/75 : with filters
• CPC Class Codes: A61M 2209/082 : Mounting brackets, arm supports for equipment
• CPC Class Codes: A61M 2209/084 : Supporting bases, stands for equipment
• CPC Class Codes: A61M 35/00 : Devices for applying media, e.g. remedies, on the human body devices for handling toiletry or cosmetic substances A45D; absorbent pads, e.g. swabs, A61F13/15
• CPC Class Codes: A61M 35/30 : Gas therapy for therapeutic treatment of the skin
• CPC Class Codes: A61M 39/24 : Check- or non-return valves
• CPC Class Codes: A61N 2005/0645 : Applicators worn by the patient
• CPC Class Codes: A61N 2005/0651 : Diodes
• CPC Class Codes: A61N 2005/0661 : ultraviolet
• CPC Class Codes: A61N 5/0624 : for eliminating microbes, germs, bacteria on or in the body

Abstract

A wound-care system includes a first pump fluidly coupled to an oxygen source. An oxygen concentrator is fluidly coupled to the first pump. A humidification system is fluidly coupled to the oxygen concentrator. A wound dressing is fluidly coupled to the humidification system and to an exudate chamber. A negative-pressure tube fluidly is coupled to the exudate chamber. A first valve is disposed between the first pump and the oxygen concentrator. A second valve is disposed between the oxygen concentrator and the wound dressing. A third valve is disposed in the negative-pressure tube. Selective activation of the first pump, the first valve, the second valve, and the third valve facilitates delivery of at least one of individual, sequential, or simultaneous negative-pressure treatment and oxygen-rich fluid treatment to the wound via the wound dressing.

Claims

1. A wound-care system comprising:

a first pump fluidly coupled to an oxygen source;

an oxygen concentrator fluidly coupled to the first pump;

a humidification system fluidly coupled to the oxygen concentrator;

a wound dressing fluidly coupled to the humidification system and to an exudate chamber;

a negative-pressure tube fluidly coupled to the exudate chamber;

a first pressure sensor exposed to pressure in the negative-pressure tube;

a second pressure sensor exposed to pressure between the oxygen concentrator and the wound dressing;

a first valve disposed between the first pump and the oxygen concentrator, the first valve being operable to selectively direct flow of fluid from the first pump to at least one of the oxygen concentrator and the humidification system;

a second valve disposed between the oxygen concentrator and the wound dressing, the second valve being operable to selectively vent the wound dressing to an exterior environment;

a third valve disposed in the negative-pressure tube, the third valve being operable to selectively vent the wound dressing to the exterior environment; and

wherein selective activation of the first pump, the first valve, the second valve, and the third valve facilitates delivery of at least one of individual, sequential, or simultaneous negative-pressure treatment and oxygen-rich fluid treatment to the wound via the wound dressing.

2. The wound-care system of claim 1, wherein:

the negative-pressure tube is fluidly coupled to an inlet of the first pump; and

a fourth valve is disposed in the negative-pressure tube.

3. The wound-care system of claim 1, comprising:

a second pump fluidly coupled to the negative-pressure tube; and

wherein selective activation of the first pump and the second pump facilitates delivery of at least one of individual, sequential, or simultaneous oxygen-rich fluid treatment and negative-pressure treatment.

4. The wound-care system of claim 3, wherein the second pump configured to apply negative pressure to a wound via the wound dressing.

5. The wound-care system of claim 3, wherein the first pump and the second pump are operated independently of each other.

6. The wound-care system of claim 1, wherein:

the humidification system comprises a proton-exchange tube;

oxygen-rich fluid is circulated through the proton-exchange tube; and

an exterior of the proton-exchange tube is exposed to ambient fluid.

7. The wound-care system of claim 1, wherein the humidification system comprises a channel disposed in a disposable container, the channel containing sterile water through which oxygen-rich fluid discharged from the oxygen concentrator.

8. The wound-care system of claim 1, wherein the oxygen concentrator is a pressure-swing adsorption device.

9. The wound-care system of claim 1, further comprising a disposable canister arranged upstream of the wound dressing.

10. A wound-care system comprising:

a first pump fluidly coupled to an oxygen source;

a humidification system fluidly coupled to the first pump; and

a wound dressing fluidly coupled to the humidification system and to an exudate chamber;

a negative-pressure tube fluidly coupled to the exudate chamber;

a first pressure sensor exposed to pressure in the negative-pressure tube;

a second pressure sensor exposed to pressure between the first pump and the wound dressing;

a first valve disposed between the first pump and the humidification system, the first valve being operable to selectively direct flow of fluid from the first pump to the humidification system;

a second valve disposed between the first pump and the wound dressing, the second valve being operable to selectively vent the wound dressing to an exterior environment;

a third valve disposed in the negative-pressure tube, the third valve being operable to selectively vent the wound dressing to the exterior environment; and

wherein selective activation of the first pump, the first valve, and the second valve, facilitates delivery of at least one of individual, sequential, or simultaneous negative-pressure treatment and oxygen-rich fluid treatment to the wound via the wound dressing.

11. The wound-care system of claim 10, wherein:

the negative-pressure tube is fluidly coupled to an inlet of the first pump; and

a fourth valve is disposed in the negative-pressure tube.

12. The wound-care system of claim 10, comprising:

a second pump fluidly coupled to the negative-pressure tube; and

wherein selective activation of the first pump and the second pump facilitates delivery of at least one of individual, sequential, or simultaneous oxygen-rich fluid treatment and negative-pressure treatment to the wound via the wound dressing.

13. The wound-care system of claim 10, wherein the oxygen source is an oxygen concentrator.