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CN114712090A - Negative pressure coupling constant-temperature wound dressing - Google Patents

Negative pressure coupling constant-temperature wound dressing Download PDF

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Publication number
CN114712090A
CN114712090A CN202210443051.6A CN202210443051A CN114712090A CN 114712090 A CN114712090 A CN 114712090A CN 202210443051 A CN202210443051 A CN 202210443051A CN 114712090 A CN114712090 A CN 114712090A
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CN
China
Prior art keywords
temperature
negative pressure
wound
negative
control device
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210443051.6A
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Chinese (zh)
Inventor
廖兴佳
史丙华
莫林涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Hairun Biological Technology Co ltd
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Changsha Hairun Biological Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Hairun Biological Technology Co ltd filed Critical Changsha Hairun Biological Technology Co ltd
Priority to CN202210443051.6A priority Critical patent/CN114712090A/en
Publication of CN114712090A publication Critical patent/CN114712090A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/00051Accessories for dressings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/05Bandages or dressings; Absorbent pads 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]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/02Details
    • A61N1/04Electrodes
    • A61N1/0404Electrodes for external use
    • A61N1/0408Use-related aspects
    • A61N1/0468Specially adapted for promoting wound healing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/02Details
    • A61N1/04Electrodes
    • A61N1/0404Electrodes for external use
    • A61N1/0472Structure-related aspects
    • A61N1/0492Patch electrodes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36014External stimulators, e.g. with patch electrodes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00361Plasters
    • A61F2013/00902Plasters containing means
    • A61F2013/00919Plasters containing means for physical therapy, e.g. cold or magnetic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F2013/00361Plasters
    • A61F2013/00902Plasters containing means
    • A61F2013/0094Plasters containing means for sensing physical parameters

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biophysics (AREA)
  • External Artificial Organs (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention discloses negative-pressure coupling constant-temperature wound dressing, which comprises an attaching layer attached to a wound surface and a wound edge, and further comprises a constant-temperature device, a negative-pressure device and a control device, wherein the constant-temperature device comprises a heating assembly arranged on the inner side of the attaching layer, a temperature sensing piece used for acquiring the temperature of the wound surface, and the negative-pressure device penetrates through the attaching layer and applies negative pressure to the wound surface and drains wound surface seepage; the control device is in communication connection with the constant temperature device and the negative pressure device, and controls the opening and closing of the negative pressure device according to the temperature information acquired by the temperature sensing piece. The negative pressure coupling constant-temperature wound dressing has the advantages of simple structure, reasonable arrangement, promotion of wound healing, avoidance of wound infection and inflammation and the like.

Description

Negative pressure coupling constant temperature wound surface dressing
Technical Field
The invention relates to the technical field of wound dressings, in particular to a negative-pressure coupling constant-temperature wound dressing.
Background
The temperature is one of important microenvironment influencing wound healing, and researches show that the temperature of a central area of a chronic wound is about 5 ℃ lower than the core temperature of a human body, the healing of the wound is stopped when the temperature of the wound is lower than 33 ℃, and the wound healing effect is best when the temperature of the wound reaches 36-38 ℃. Therefore, constant-temperature dressings are often used in medical applications to treat chronic wounds, but the constant-temperature dressings combined with tissue fluid continuously exuded from the wounds can create a damp-heat wound microenvironment, promote the propagation of bacteria, and easily cause the problems of infection, inflammation and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the negative pressure coupling constant-temperature wound dressing which is simple in structure, reasonable in arrangement, capable of promoting wound healing and avoiding wound infection and inflammation.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a negative-pressure coupling constant-temperature wound dressing comprises an attaching layer attached to a wound surface and a wound edge, and further comprises a constant-temperature device, a negative-pressure device and a control device, wherein the constant-temperature device comprises a heating assembly arranged on the inner side of the attaching layer, a temperature sensing piece used for acquiring the temperature of the wound surface, and the negative-pressure device penetrates through the attaching layer and applies negative pressure to the wound surface and drains wound surface seepage; the control device is in communication connection with the constant temperature device and the negative pressure device, and controls the opening and closing of the negative pressure device according to the temperature information acquired by the temperature sensing piece.
As a further improvement of the above technical solution:
the control device comprises a judging module, and after the control device receives the temperature information sent by the temperature sensing part, the judging module compares the temperature information with a preset temperature preset in the control device; when the temperature is lower than a first preset temperature, the judging module sends a starting instruction to control the negative pressure device to start; when the temperature is higher than a second preset temperature, the judging module sends a stopping instruction to control the negative pressure device to be closed; the second preset temperature is not lower than the first preset temperature.
The detection end of the temperature sensing piece is attached to the wound surface.
The heating assembly comprises a heating layer and a heat preservation layer, the heating layer is arranged on one side, close to the wound, of the attached layer, and the heat preservation layer is at least arranged on one side, close to the wound, of the heating layer.
The zone of heating is formed by the electric heating wire coiling, and constant temperature equipment still includes the power, the zone of heating and power electrical connection.
The control device also controls the output of the power supply according to the temperature information acquired by the temperature sensing part; the control device comprises a judging module, and after the control device receives the temperature information sent by the temperature sensing part, the judging module compares the temperature information with a preset temperature preset in the control device; when the temperature is lower than a third preset temperature, the judging module sends a heating instruction to control the power supply to increase the output; when the temperature is higher than the fourth preset temperature, the judging module sends a cooling instruction to control the power supply to reduce the output; the fourth preset temperature is not lower than the third preset temperature.
The negative pressure device comprises a negative pressure conduit and a negative pressure driving piece, one end of the negative pressure conduit penetrates through the attaching layer and is communicated to the wound surface area, and the other end of the negative pressure conduit is connected with the negative pressure driving piece; and the control device is in communication connection with the negative pressure driving piece and controls the opening and closing of the negative pressure driving piece according to the acquired temperature information.
The attached layer and the heating assembly are provided with avoidance holes corresponding in position, and the end part of the negative pressure conduit penetrates through the avoidance holes to be communicated to the wound surface area.
Compared with the prior art, the invention has the advantages that:
the negative-pressure coupling constant-temperature wound dressing comprises an attaching layer attached to a wound and a wound edge, and further comprises a constant-temperature device, wherein the constant-temperature device comprises a heating assembly arranged on the inner side of the attaching layer and a temperature sensing piece used for acquiring the temperature of the wound. Different with current constant temperature dressing, this dressing additionally is provided with negative pressure device and controlling means, and negative pressure device passes attached layer and applys negative pressure and drainage surface of a wound sepage at the surface of a wound, and in this kind of setting mode, negative pressure device can ensure that the surface of a wound is in comparatively dry environment, has destroyed bacterial growing's condition, avoids the harmful effects that constant temperature dressing probably brought in the treatment process, further promotes the surface of a wound healing after combining with constant temperature equipment, ensures effectual treatment. And the control device is in communication connection with the constant temperature device and the negative pressure device, and controls the opening and closing of the negative pressure device according to the temperature information acquired by the temperature sensing part, when the wound surface seepage liquid increases, the temperature of the wound surface is reduced, the quantity of the wound surface seepage liquid is judged according to the temperature, the opening and closing of the negative pressure are controlled, the negative pressure device and the constant temperature device are creatively combined together, a dynamic balance circulation system is constructed between the negative pressure device and the constant temperature device, the influence of the seepage liquid on constant temperature is further reduced, and the wound surface is ensured to be in the optimal healing temperature environment.
Drawings
Fig. 1 is a schematic structural diagram of a negative pressure coupled constant temperature wound dressing of the present invention.
Illustration of the drawings: 1. attaching the layer; 2. a thermostatic device; 21. a heating layer; 22. a heat-insulating layer; 3. a negative pressure device; 31. a negative pressure conduit.
Detailed Description
In order to facilitate understanding of the invention, the invention will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
Example (b):
as shown in fig. 1, the negative pressure coupling constant temperature wound dressing of this embodiment includes attached layer 1 attached to the wound and wound edge, still includes constant temperature equipment 2, and constant temperature equipment 2 still includes negative pressure equipment 3 and controlling means including setting up at the heating element of attached layer 1 inboard and being used for obtaining the temperature sensing piece of wound temperature, and negative pressure equipment 3 passes attached layer 1 and applys negative pressure and drainage wound exudate at the wound. In this kind of mode of setting, negative pressure device 3 can ensure that the surface of a wound is in comparatively dry environment, has destroyed the condition that bacterial growing, avoids the harmful effects that constant temperature dressing probably brought in the treatment process, further promotes the surface of a wound healing after combining with constant temperature device 2, ensures effectual treatment. And the control device is in communication connection with the constant temperature device 2 and the negative pressure device 3, and controls the opening and closing of the negative pressure device 3 according to the temperature information acquired by the temperature sensing part, when the wound surface seepage liquid increases, the temperature of the wound surface is reduced, the quantity of the wound surface seepage liquid is judged according to the temperature, the opening and closing of the negative pressure are controlled, the negative pressure device 3 and the constant temperature device 2 are creatively combined together, a dynamic balance circulation system is constructed between the negative pressure device and the constant temperature device, the influence of the seepage liquid on the constant temperature is further reduced, and the wound surface is ensured to be in the optimal healing temperature environment.
In this embodiment, the control device includes a determination module, and after the control device receives the temperature information sent by the temperature sensing part, the determination module compares the temperature information with a preset temperature preset in the control device. When the seepage liquid constantly oozes, the temperature of the surface of a wound can constantly reduce, and when the temperature is lower than a first preset temperature, the judgment module sends a starting instruction to control the negative pressure device 3 to start, so that redundant seepage liquid is extracted, and the drying of the environment of the surface of a wound is ensured. Along with the weeping is taken out, the surface of a wound receives thermostatic device 2's direct heating, when the temperature was higher than the second and predetermines the temperature, the decision module sent and stops instruction control negative pressure device 3 and closes, avoids the surface of a wound excessive dryness to lead to being difficult to healing, also can the energy saving simultaneously. The second preset temperature is not lower than the first preset temperature, and the two values can be manually set and adjusted so as to be suitable for different patients or wound surfaces with different sizes and different parts. In this embodiment, the functions of receiving information, comparing and outputting the control signal by the control device can be implemented by conventional control equipment or circuits in the market, and therefore, detailed description thereof is omitted here. The control means may be located near or at the distal end of the dressing and be connected by a wired or wireless means.
In this embodiment, the detection end of the temperature sensing piece is attached to the wound surface, so that the obtained temperature information is the temperature information of the wound surface itself, and the interference of the heating assembly is avoided.
In this embodiment, heating element includes zone of heating 21 and heat preservation 22, and zone of heating 21 sets up in the one side that attached layer 1 is close to the surface of a wound, and heat preservation 22 sets up the one side that is close to the surface of a wound in zone of heating 21 at least. In this embodiment, the heat preservation layer 22 is arranged on both sides of the heating layer 21, and heat preservation is performed from both sides, so that heat is prevented from being dissipated outwards, and the wound surface of the heating layer 21 is prevented from being scalded. A layer of sponge for absorbing seepage liquid and the like can be arranged between the heat-insulating layer 22 close to the wound surface and the wound surface, so that the wound surface is ensured to be contacted with a proper material, and the heating assembly can be separated. An isolation film or other film layer capable of dissipating heat and preventing seepage from entering the heating assembly can be wrapped outside the heating layer 21 and the heat preservation layer 22, which belongs to a conventional treatment mode and is not described herein.
In this embodiment, the heating layer 21 is formed by winding an electric heating wire, the thermostatic device 2 further includes a power supply, the heating layer 21 is electrically connected with the power supply, and the power supply can be arranged in the attachment layer; the heating layer 21 can be arranged outside, the two ends of the heating layer 21 are led out of the attaching layer by leads and are connected with a power supply, the power supply supplies power to the heating layer 21, and the power supply can be any power supply capable of providing electric energy, such as a lithium battery, a dry battery and the like. The leading-out structure can be led out through structures such as a lead hole and the like arranged on the attaching layer, and all the leading-out structures belong to relatively conventional electrical connection structures, and the description is omitted here.
In this embodiment, the control device further controls the output of the power supply according to the temperature information obtained by the temperature sensing element, so as to keep the heating assembly within the set temperature range. After the control device receives the temperature information sent by the temperature sensing part, the judging module compares the temperature information with a preset temperature preset in the control device; when the temperature is lower than a third preset temperature, the judging module sends a heating instruction to control the power supply to increase the output; and when the temperature is higher than the fourth preset temperature, the judging module sends a cooling instruction to control the power supply to reduce the output. The fourth preset temperature is not lower than the third preset temperature, the two values can be two values between 36 ℃ and 38 ℃, and the fourth preset temperature can also be manually set and adjusted so as to be suitable for different patients or wound surfaces with different sizes and different parts.
In this embodiment, the negative pressure device 3 includes a negative pressure conduit 31 and a negative pressure driving member, one end of the negative pressure conduit 31 passes through the attachment layer 1 and is communicated to the wound surface area, and the other end is connected to the negative pressure driving member; and the control device is in communication connection with the negative pressure driving piece and controls the opening and closing of the negative pressure driving piece according to the acquired temperature information. The negative pressure driving piece is only for providing the negative pressure, therefore can select for use conventional negative pressure providing device, and in this embodiment, the dressing can also set up the sepage storage device, and negative pressure pipe 31 provides the negative pressure by the negative pressure driving piece to finally communicate to the sepage storage device, the sepage of drawing forth through negative pressure pipe 31 is finally collected the storage by the sepage storage device.
In this embodiment, the attachment layer 1 and the heating element are provided with avoidance holes corresponding to each other, and the end of the negative pressure conduit 31 passes through the avoidance holes and communicates with the wound surface area to avoid interference.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. It should be apparent to those skilled in the art that modifications and variations can be made without departing from the technical spirit of the present invention.

Claims (8)

1. The utility model provides a negative pressure coupling constant temperature wound surface dressing, includes attached layer (1) at the surface of a wound and wound edge, still includes constant temperature equipment (2), constant temperature equipment (2) are including setting up at the inboard heating element of attached layer (1) and being used for acquireing the temperature sensing piece of surface of a wound temperature, its characterized in that: the wound surface negative pressure drainage device is characterized by further comprising a negative pressure device (3) and a control device, wherein the negative pressure device (3) penetrates through the attaching layer (1) and applies negative pressure to a wound surface and drains wound surface seepage; the control device is in communication connection with the constant temperature device (2) and the negative pressure device (3), and controls the opening and closing of the negative pressure device (3) according to the temperature information acquired by the temperature sensing piece.
2. The negative-pressure-coupled thermostatic wound dressing of claim 1, wherein: the control device comprises a judging module, and after the control device receives the temperature information sent by the temperature sensing part, the judging module compares the temperature information with a preset temperature preset in the control device; when the temperature is lower than a first preset temperature, the judging module sends a starting instruction to control the negative pressure device (3) to start; when the temperature is higher than a second preset temperature, the judging module sends a stopping instruction to control the negative pressure device (3) to be closed; the second preset temperature is not lower than the first preset temperature.
3. The negative-pressure-coupled constant-temperature wound dressing according to claim 1 or 2, characterized in that: the detection end of the temperature sensing piece is attached to the wound surface.
4. The negative-pressure-coupled thermostatic wound dressing of claim 1, wherein: heating element includes zone of heating (21) and heat preservation (22), zone of heating (21) set up in attached layer (1) one side near the surface of a wound, and heat preservation (22) set up the one side near the surface of a wound in zone of heating (21) at least.
5. The negative-pressure-coupled thermostatic wound dressing of claim 4, wherein: the heating layer (21) is formed by winding an electric heating wire, the constant temperature device (2) further comprises a power supply, and the heating layer (21) is electrically connected with the power supply.
6. The negative-pressure-coupled constant-temperature wound dressing according to claim 5, wherein: the control device also controls the output of the power supply according to the temperature information acquired by the temperature sensing part; the control device comprises a judging module, and after the control device receives the temperature information sent by the temperature sensing part, the judging module compares the temperature information with a preset temperature preset in the control device; when the temperature is lower than a third preset temperature, the judging module sends a temperature-rising instruction to control the power supply to increase the output; when the temperature is higher than the fourth preset temperature, the judging module sends a cooling instruction to control the power supply to reduce the output; the fourth preset temperature is not lower than the third preset temperature.
7. The negative-pressure-coupled thermostatic wound dressing of claim 1, wherein: the negative pressure device (3) comprises a negative pressure conduit (31) and a negative pressure driving piece, one end of the negative pressure conduit (31) penetrates through the attaching layer (1) to be communicated to the wound surface area, and the other end of the negative pressure conduit is connected with the negative pressure driving piece; and the control device is in communication connection with the negative pressure driving piece and controls the opening and closing of the negative pressure driving piece according to the acquired temperature information.
8. The negative-pressure-coupled thermostatic wound dressing of claim 7, wherein: the attached layer (1) and the heating component are provided with avoidance holes corresponding in position, and the end part of the negative pressure conduit (31) penetrates through the avoidance holes to be communicated to the wound surface area.
CN202210443051.6A 2022-04-25 2022-04-25 Negative pressure coupling constant-temperature wound dressing Pending CN114712090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210443051.6A CN114712090A (en) 2022-04-25 2022-04-25 Negative pressure coupling constant-temperature wound dressing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210443051.6A CN114712090A (en) 2022-04-25 2022-04-25 Negative pressure coupling constant-temperature wound dressing

Publications (1)

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CN114712090A true CN114712090A (en) 2022-07-08

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090099519A1 (en) * 2007-09-07 2009-04-16 Albert Einstein Healthcare Network Advanced abdominal dressing for the treatment of the postoperative hypothermic patients with an open abdomen
CN105997345A (en) * 2016-07-04 2016-10-12 广东美捷威通生物科技有限公司 Intelligent humidity control temperature control spray wound treatment system
CN206792720U (en) * 2017-01-20 2017-12-26 上海拜瑞曼克生物科技有限公司 A kind of wound care devices
WO2022073762A1 (en) * 2020-10-05 2022-04-14 T.J.Smith And Nephew,Limited Temperature monitoring and control for negative pressure wound therapy systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090099519A1 (en) * 2007-09-07 2009-04-16 Albert Einstein Healthcare Network Advanced abdominal dressing for the treatment of the postoperative hypothermic patients with an open abdomen
CN105997345A (en) * 2016-07-04 2016-10-12 广东美捷威通生物科技有限公司 Intelligent humidity control temperature control spray wound treatment system
CN206792720U (en) * 2017-01-20 2017-12-26 上海拜瑞曼克生物科技有限公司 A kind of wound care devices
WO2022073762A1 (en) * 2020-10-05 2022-04-14 T.J.Smith And Nephew,Limited Temperature monitoring and control for negative pressure wound therapy systems

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Application publication date: 20220708

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