CN114469519A - Negative-pressure coupling electric field signal feedback treatment system - Google Patents
Negative-pressure coupling electric field signal feedback treatment system Download PDFInfo
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- CN114469519A CN114469519A CN202210102515.7A CN202210102515A CN114469519A CN 114469519 A CN114469519 A CN 114469519A CN 202210102515 A CN202210102515 A CN 202210102515A CN 114469519 A CN114469519 A CN 114469519A
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- 230000005684 electric field Effects 0.000 title claims abstract description 88
- 230000008878 coupling Effects 0.000 title claims abstract description 12
- 238000010168 coupling process Methods 0.000 title claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000037311 normal skin Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 10
- 238000002560 therapeutic procedure Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 206010052428 Wound Diseases 0.000 description 72
- 208000027418 Wounds and injury Diseases 0.000 description 72
- 230000035876 healing Effects 0.000 description 12
- 210000001519 tissue Anatomy 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
- 210000000416 exudates and transudate Anatomy 0.000 description 4
- 206010030113 Oedema Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000005036 nerve Anatomy 0.000 description 3
- 230000035755 proliferation Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004663 cell proliferation Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000029663 wound healing Effects 0.000 description 2
- 206010063560 Excessive granulation tissue Diseases 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 210000001126 granulation tissue Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/00051—Accessories for dressings
-
- A61F13/05—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
- A61N1/0468—Specially adapted for promoting wound healing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00902—Plasters containing means
- A61F2013/00919—Plasters containing means for physical therapy, e.g. cold or magnetic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00902—Plasters containing means
- A61F2013/0094—Plasters containing means for sensing physical parameters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00902—Plasters containing means
- A61F2013/0094—Plasters containing means for sensing physical parameters
- A61F2013/00961—Plasters containing means for sensing physical parameters electrical conductivity
Abstract
The invention discloses a negative-pressure coupling electric field signal feedback treatment system, which comprises an electric field treatment device, an electric control device and a negative-pressure treatment device, wherein the electric field treatment device applies an electric field between wound-edge normal skin and a wound surface, the electric control device is in communication connection with the electric field treatment device and obtains a current signal obtained by conducting wound surface seepage after the electric field treatment device applies the electric field; the negative pressure treatment device applies negative pressure on the wound surface and drains wound surface seepage, the electrical control device is in communication connection with the negative pressure treatment device and controls the negative pressure output by the negative pressure treatment device according to the acquired current signal. The negative-pressure coupling electric field signal feedback treatment system has the advantages of fully utilizing the characteristics of negative pressure treatment and electric field treatment, reasonably combining the negative pressure treatment and the electric field treatment, having high automation degree, having no requirement on the operation experience of a human operator and the like.
Description
Technical Field
The invention relates to the technical field of wound dressing, in particular to a negative-pressure coupling electric field signal feedback treatment system.
Background
The negative pressure treatment can drain the wound surface, remove excessive exudates, provide a relatively humid environment for the healing of damaged tissues, relieve the edema of tissues around the wound and stimulate the proliferation of granulation tissues, thereby accelerating the healing process. Is mainly used for patients with acute wound, non-chronic wound and multi-exudate wound, the application of the skin area after wound transplantation and patients with ulcer and bedsore. The electric field treatment is a direct current electric field which is communicated with a therapeutic apparatus to form and takes wound margin normal skin as an anode and wound center as a cathode, and the direct current electric field has the effects of promoting wound margin repair related cell proliferation, driving the wound margin repair related cell proliferation to migrate to the wound center, promoting wound margin nerve growth to the wound, and the like, thereby playing an important role in wound re-epithelialization and wound healing. The apparatus on the market today only has a single negative pressure therapy, or a single electric field dressing therapy function. And the existing negative pressure treatment form can only manually adjust the negative pressure degree, so that the use is troublesome, and the dependence degree on the experience of an operator is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a negative-pressure coupling electric field signal feedback treatment system which makes full use of the characteristics of negative-pressure treatment and electric field treatment, reasonably combines the characteristics of negative-pressure treatment and electric field treatment, has high automation degree and has no requirements on the operation experience of a human operator.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a negative-pressure coupling electric field signal feedback treatment system comprises an electric field treatment device, an electric control device and a negative-pressure treatment device, wherein the electric field treatment device applies an electric field between normal skin at wound margins and a wound surface, the electric control device is in communication connection with the electric field treatment device and obtains a current signal obtained by conducting wound surface seepage after the electric field treatment device applies the electric field; the negative pressure treatment device applies negative pressure on the wound surface and drains wound surface seepage, the electrical control device is in communication connection with the negative pressure treatment device and controls the negative pressure output by the negative pressure treatment device according to the acquired current signal.
As a further improvement of the technical scheme:
the electric field treatment device comprises an anode arranged on normal skin at the wound edge, a cathode arranged at the center of the wound surface and a power supply for supplying power to the anode and the cathode, and the electric control device acquires a current signal between the anode and the cathode of the electric field treatment device, wherein the current signal is influenced by the seepage.
The electric control device and the power supply are integrated to form a controller, and the anode and the cathode of the electric field treatment device are connected with the controller through leads.
The negative pressure treatment device comprises a negative pressure conduit and a negative pressure driving part, one end of the negative pressure conduit is communicated to a wound surface liquid seepage area in the electric field treatment device, and the other end of the negative pressure conduit is connected with the negative pressure driving part; the electric control device is in communication connection with the negative pressure driving part and controls the negative pressure of the negative pressure driving part output for the negative pressure conduit according to the obtained current signal.
The electric control device and the negative pressure driving piece are integrated to form a controller.
The controller also comprises a seepage storage device, and the negative pressure catheter is connected into the controller and is finally communicated to the seepage storage device.
The electric control device comprises a comparison module, and the comparison module compares the received current signal with a current preset value preset in the electric control device; when the current is larger than a first current preset value, the comparison module sends a negative pressure increasing instruction to the negative pressure treatment device, and the negative pressure treatment device increases the output negative pressure after receiving the negative pressure increasing instruction; when the current is smaller than a second current preset value, the comparison module sends a negative pressure reduction instruction to the negative pressure treatment device, and the negative pressure treatment device reduces the output negative pressure after receiving the negative pressure reduction instruction; the first current preset value is not less than the second current preset value.
The negative pressure coupling electric field signal feedback treatment system further comprises an application device, the application device is arranged on the surface of a wound and the wound edge, the electric field treatment device is arranged on one side, facing the surface of the wound, of the application device, and the negative pressure output end of the negative pressure treatment device penetrates through the application device and is communicated with the surface of the wound.
The electric control device is also used for acquiring negative pressure information output by the negative pressure treatment device.
The electric control device comprises a display module, and the display module is used for displaying the current signal and/or the negative pressure information acquired by the electric control device.
Compared with the prior art, the invention has the advantages that:
the invention discloses a negative-pressure coupling electric field signal feedback treatment system, which comprises an electric field treatment device, an electric control device and a negative-pressure treatment device. The electric field treatment device applies an electric field between the normal skin of the wound margin and the wound surface, thereby promoting the proliferation of cells related to the repair of the wound margin, enabling the repair cells to migrate to the center of the wound surface, promoting the growth of the nerves of the wound margin to the wound surface and promoting the healing of the wound surface. The negative pressure treatment device applies negative pressure on the wound surface and drains wound surface seepage, thereby providing a proper environment for healing of damaged tissues, relieving edema of tissues around the wound and accelerating the healing process.
The wound surface can generate seepage in the healing process, the seepage can be conducted when an electric field is applied to the wound surface, and when the seepage of the wound surface is large, the impedance is reduced, the current is increased, and when the seepage of the wound surface is small, the impedance is increased, and the current is reduced. Therefore, the electric field treatment and the negative pressure treatment are reasonably combined based on the principle, the electric control device obtains the current signal conducted by the seepage, so that the quantity of the seepage is grasped in real time, and the negative pressure is correspondingly controlled and output according to the current signal. Namely, under the condition that the current is increased due to much seepage liquid, the negative pressure output is increased, redundant seepage liquid is absorbed, and the seepage liquid is reduced, so that the current signal is reduced; when the current is reduced due to less seepage, the negative pressure output is reduced, and the seepage absorption is slowed down, so that the seepage is accumulated on the wound surface, the current signal is increased, and the seepage of the wound surface is maintained in a reasonable state. The setting mode enables the negative pressure treatment and the electric field treatment to have synergistic effect and has the advantages of the negative pressure treatment and the electric field treatment, the negative pressure treatment and the electric field treatment are not combined forcibly, but can be automatically adjusted according to the wound surface state in real time through reasonable setting, the wound surface is automatically kept in the most suitable healing state, manual operation is not needed, and therefore the operation experience of an operator is not completely relied.
Drawings
FIG. 1 is a schematic flow diagram of a negative pressure coupled electric field signal feedback treatment system of the present invention;
FIG. 2 is a schematic structural diagram of a negative-pressure coupled electric field signal feedback treatment system according to the present invention;
FIG. 3 is a schematic diagram showing the positions of the positive and negative electrodes of the electric field treatment device in the negative-voltage coupled electric field signal feedback treatment system of the present invention.
Illustration of the drawings: 1. an electric field treatment device; 11. a positive electrode; 12. a negative electrode; 2. an electrical control device; 3. a negative pressure therapy device; 31. a negative pressure conduit; 4. an application device.
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 and fig. 2, the negative-pressure coupling electric field signal feedback treatment system of the present embodiment includes an electric field treatment device 1, an electrical control device 2, and a negative-pressure treatment device 3, where the electric field treatment device 1 applies an electric field between the wound edge normal skin and the wound surface, so as to promote proliferation of cells related to wound edge repair, make the repaired cells migrate to the center of the wound surface, promote growth of the wound edge nerves to the wound surface, and promote healing of the wound surface. The negative pressure treatment device 3 applies negative pressure on the wound surface and drains wound surface seepage, thereby providing a proper environment for healing of damaged tissues, relieving the edema of tissues around the wound and accelerating the healing process.
The wound surface can generate seepage in the healing process, the seepage can be conducted when an electric field is applied to the wound surface, and when the seepage of the wound surface is large, the impedance is reduced, the current is increased, and when the seepage of the wound surface is small, the impedance is increased, and the current is reduced. Therefore, based on the principle, the electric control device 2 is in communication connection with the electric field treatment device 1, and obtains a current signal obtained by conducting wound exudate after the electric field treatment device 1 applies an electric field; the electric control device 2 is in communication connection with the negative pressure treatment device 3 and controls the negative pressure output by the negative pressure treatment device 3 according to the acquired current signal. The electric field treatment and the negative pressure treatment are reasonably combined, the quantity of the seepage is grasped in real time through a current signal conducted by the seepage, and the negative pressure is correspondingly controlled and output according to the current signal. Increasing negative pressure output under the condition of increasing current caused by much seepage liquid, absorbing redundant seepage liquid, and reducing seepage liquid so as to reduce current signals; when the current is reduced due to less seepage, the negative pressure output is reduced, and the seepage absorption is slowed down, so that the seepage is accumulated on the wound surface, and the current signal is increased; the wound surface exudate is kept in a reasonable state through feedback regulation. The setting mode enables the negative pressure treatment and the electric field treatment to have synergistic effect and has the advantages of the negative pressure treatment and the electric field treatment, the negative pressure treatment and the electric field treatment are not combined forcibly, but can be automatically adjusted according to the wound surface state in real time through reasonable setting, the wound surface is automatically kept in the most suitable healing state, manual operation is not needed, and therefore the operation experience of an operator is not completely relied.
In this embodiment, as shown in fig. 3, the electric field treatment device 1 includes a positive electrode 11 disposed on the normal skin of the wound edge, a negative electrode 12 disposed in the center of the wound surface, and a power supply for supplying power to the positive electrode 11 and the negative electrode 12, and the power supply makes the two apply an electric field to the wound surface area. The electric control device 2 obtains a current signal between the anode 11 and the cathode 12 of the electric field treatment device 1, the magnitude of the current signal being slightly influenced by the seepage. The electric control device 2 and the power supply are integrated in the controller, the anode 11 and the cathode 12 of the electric field treatment device 1 are connected with the power supply in the controller through leads, and the electric control device 2 can obtain current information directly through the leads. The acquisition mode is simple in principle, convenient to set in structure and capable of being completed through conventional setting. The integrated controller is convenient to carry, regulate and control.
In this embodiment, the negative pressure treatment device 3 includes a negative pressure conduit 31 and a negative pressure driving member, one end of the negative pressure conduit 31 is connected to the wound surface liquid seepage area in the electric field treatment device 1, and the other end is connected to the negative pressure driving member; the electric control device 2 is in communication connection with the negative pressure driving member, and controls the negative pressure output by the negative pressure driving member to the negative pressure conduit 31 according to the magnitude of the obtained current signal. The negative pressure driving part only provides negative pressure, so that a conventional negative pressure providing device can be selected and is also integrated in the controller. In this embodiment, the controller further includes a seepage storage device, the negative pressure conduit 31 is connected to the controller, the negative pressure driving member provides negative pressure and is finally communicated to the seepage storage device, and the seepage led out through the negative pressure conduit 31 is finally collected and stored by the seepage storage device.
In this embodiment, the electrical control device 2 includes a comparison module, which compares the received current signal with a preset current value preset in the electrical control device 2; when the current is larger than the first current preset value, the comparison module sends a negative pressure increasing instruction to the negative pressure treatment device 3, and the negative pressure treatment device 3 increases the output negative pressure after receiving the negative pressure increasing instruction; when the current is smaller than the second current preset value, the comparison module sends a negative pressure reduction instruction to the negative pressure treatment device 3, and the negative pressure treatment device 3 reduces the output negative pressure after receiving the negative pressure reduction instruction; the first current preset value is not less than the second current preset value.
In this embodiment, as shown in fig. 1, in the initial operating state, the negative pressure therapy apparatus 3 maintains the basic negative pressure therapy at the lowest power. Along with the lapse of time, when the surface of a wound seepage becomes more, impedance diminishes, and the electric current increases, and when the electric current increased to first electric current default, electric control device 2 obtained this numerical value, through feedback control increase negative pressure's output to reach the purpose of absorbing the seepage. As the exudate is absorbed, the impedance increases and the current decreases. When the current is reduced to the second current preset value, the electric control device 2 acquires the value, and reduces the output power of the negative pressure through feedback control, so that the negative pressure maintains the basic negative pressure treatment at the lowest power.
The first current preset value and the second current preset value can be set and changed according to needs, a range is determined by the first current preset value and the second current preset value, namely, the upper limit and the lower limit of the seepage amount corresponding to the optimal wound healing are determined, a current signal conducted by the electric field at the upper limit of the seepage amount is the first current preset value, and a current signal conducted by the electric field at the lower limit of the seepage amount is the second current preset value.
In this embodiment, the system further includes an application device 4, and the application device 4 is applied on the wound surface and the wound edge and used for sealing the environment of the wound surface. The positive electrode 11 and the negative electrode 12 of the electric field treatment device 1 are arranged on one side of the application device 4 facing the wound surface, the negative pressure output end of the negative pressure treatment device 3, namely the end part of the negative pressure conduit 31 penetrates through the application device 4 and is communicated with the wound surface, and the negative pressure conduit 31, the positive electrode 11 and the negative electrode 12 of the electric field treatment device 1 and the application device 4 form dressing of a negative pressure coupling electric field.
In this embodiment, electrical control device 2 is still used for acquireing the negative pressure information of 3 outputs of negative pressure treatment device, and electrical control device 2 includes display module, and display module is display screen, and display module is used for showing current signal and the negative pressure information that electrical control device 2 acquireed, and convenience of customers and medical personnel look over.
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 (10)
1. A negative pressure coupling electric field signal feedback treatment system is characterized in that: the electric field treatment device (1) applies an electric field between normal skin at wound margins and a wound surface, the electric control device (2) is in communication connection with the electric field treatment device (1) and obtains a current signal obtained by conducting wound surface seepage after the electric field treatment device (1) applies the electric field, and the negative pressure treatment device (3) is connected with the electric field treatment device (2); the negative pressure treatment device (3) applies negative pressure on the wound surface and drains wound surface seepage, the electrical control device (2) is in communication connection with the negative pressure treatment device (3) and controls the negative pressure output by the negative pressure treatment device (3) according to the obtained current signal.
2. The negative-voltage coupled electric field signal feedback treatment system of claim 1, wherein: electric field treatment device (1) is including setting up anodal (11) on the normal skin of wound edge, setting up at negative pole (12) at the surface of a wound center and for anodal (11) and the power of negative pole (12) power supply, electric control device (2) acquire between its anodal (11) and negative pole (12) through electric field treatment device (1) by how much influence of seepage liquid the current signal of switch-on size.
3. The system of claim 2, wherein: the electric control device (2) and the power supply are integrated to form a controller, and the anode (11) and the cathode (12) of the electric field treatment device (1) are connected with the controller through leads.
4. The negative-voltage coupled electric field signal feedback treatment system of claim 1, wherein: the negative pressure treatment device (3) comprises a negative pressure conduit (31) and a negative pressure driving part, one end of the negative pressure conduit (31) is communicated to a wound surface liquid seepage area in the electric field treatment device (1), and the other end is connected with the negative pressure driving part; the electric control device (2) is in communication connection with the negative pressure driving part, and controls the negative pressure driving part to be the negative pressure output by the negative pressure conduit (31) according to the obtained current signal.
5. The negative-voltage coupled electric field signal feedback treatment system of claim 4, wherein: the electric control device (2) and the negative pressure driving piece are integrated to form a controller.
6. The system of claim 5, wherein: the controller also comprises a seepage storage device, and the negative pressure conduit (31) is connected into the controller and is finally communicated to the seepage storage device.
7. The negative-voltage coupled electric field signal feedback treatment system of claim 1, wherein: the electrical control device (2) comprises a comparison module, and the comparison module compares the received current signal with a current preset value preset in the electrical control device (2); when the current is larger than the first current preset value, the comparison module sends a negative pressure increasing instruction to the negative pressure treatment device (3), and the negative pressure treatment device (3) increases the output negative pressure after receiving the negative pressure increasing instruction; when the current is smaller than a second current preset value, the comparison module sends a negative pressure reduction instruction to the negative pressure treatment device (3), and the negative pressure treatment device (3) reduces the output negative pressure after receiving the negative pressure reduction instruction; the first current preset value is not less than the second current preset value.
8. The negative-voltage coupled electric field signal feedback treatment system of claim 1, wherein: the electric field therapy device is characterized by further comprising a pasting device (4), the pasting device (4) is laid on the wound surface and the wound edge, the electric field therapy device (1) is arranged on one side, facing the wound surface, of the pasting device (4), and the negative pressure output end of the negative pressure therapy device (3) penetrates through the pasting device (4) and is communicated with the wound surface.
9. The negative-voltage coupled electric field signal feedback treatment system of claim 1, wherein: the electric control device (2) is also used for acquiring negative pressure information output by the negative pressure treatment device (3).
10. The system of claim 1 or 9, wherein: the electric control device (2) comprises a display module, and the display module is used for displaying the current signal and/or the negative pressure information acquired by the electric control device (2).
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| CN202210102515.7A CN114469519B (en) | 2022-01-27 | 2022-01-27 | Negative-pressure coupling electric field signal feedback treatment system |
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