CN107280860A - A kind of set composite for having electric field application and drainage concurrently - Google Patents
A kind of set composite for having electric field application and drainage concurrently Download PDFInfo
- Publication number
- CN107280860A CN107280860A CN201710651144.7A CN201710651144A CN107280860A CN 107280860 A CN107280860 A CN 107280860A CN 201710651144 A CN201710651144 A CN 201710651144A CN 107280860 A CN107280860 A CN 107280860A
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- Prior art keywords
- carbon fiber
- drainage tube
- drainage
- wire
- positive
- Prior art date
- 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
Links
- 230000005684 electric field Effects 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 43
- 239000004917 carbon fiber Substances 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 239000006260 foam Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract description 27
- 206010052428 Wound Diseases 0.000 abstract description 24
- 230000029663 wound healing Effects 0.000 abstract description 5
- 230000037311 normal skin Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008733 trauma Effects 0.000 description 2
- 206010061217 Infestation Diseases 0.000 description 1
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000033115 angiogenesis Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 230000004663 cell proliferation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 210000001339 epidermal cell Anatomy 0.000 description 1
- 230000003328 fibroblastic effect Effects 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- A61F13/05—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
-
- 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
- A61N1/20—Applying electric currents by contact electrodes continuous direct currents
- A61N1/205—Applying electric currents by contact electrodes continuous direct currents for promoting a biological process
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/04—Skin
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a kind of set composite for having electric field application and drainage concurrently, including the sucked type drainage tube containing wire, the positive polar circle of carbon fiber, carbon fiber negative pole, foam dressing and pad pasting.The sucked type drainage tube containing wire includes insulating sleeve, drainage tank connector and sucked type draining hole, and insulating sleeve includes cathode conductor, negative-pressure drainage tube and positive wire.The positive polar circle of carbon fiber is connected with drainage tube positive wire, carbon fiber negative pole is connected with drainage tube cathode conductor, the positive polar circle of carbon fiber is placed in wound outer ring normal skin, and carbon fiber negative pole can form outer just interior negative ring electric field after being placed in wound center, connection dc source.Foam dressing and pad pasting are used to close drainage.Apparatus of the present invention have negative wound pressure drainage function concurrently and provide DC electric field function for wound, can cooperate with wound healing, the small volume of device, simple and convenient while assurance function after being connected with negative pressure and DC power signal.
Description
Technical field
The present invention relates to negative pressure drainage device technical field, more particularly to a kind of electric field that has concurrently applies and drainage
Set composite.
Background technology
Acute skin soft tissue injury is common wound species.The skin trauma of diverse location, it is various cause injury because
Plain and different surface of a wound recovery situation etc. all may result in wound situation complexity, trauma surface infestation, blood supply obstacle etc. occurs each
The problem of kind.
Negative-pressure drainage tube is an indispensable ring during negative pressure treatment.The lasting or discontinuity surface of a wound envelope of some strength
Angiogenesis can substantially be accelerated by closing negative pressure treatment, and granulation regenerates and reduces infection, so as to accelerate wound healing.At present, commonly
Surface of a wound closed negative pressure drainage technology clinically greatly applied and obtain good effect.
Research at present both at home and abroad to electric field in terms of wound healing is more ripe, and existing many document report electric fields are to wound
Face epidermal cell proliferation, creep and it is fibroblastic arrangement play good facilitation.But how by electric field with it is negative
Technology synergy is pressed, applied to the surface of a wound, wound healing still has technical problem.
The content of the invention
In view of this, it is an object of the invention to provide a kind of set composite for having electric field application and drainage concurrently.
The purpose of the present invention is achieved through the following technical solutions：It is a kind of to have that electric field applies and drainage is answered concurrently
Attach together and put, including the sucked type drainage tube containing wire, the positive polar circle of carbon fiber, carbon fiber negative pole, foam dressing and pad pasting；
Described to have that electric field applies and the set composite of drainage includes the positive polar circle 8 of carbon fiber concurrently, carbon fiber negative pole 9 contains
There are the sucked type drainage tube 10 of wire, foam dressing 11 and pad pasting 12；
Sucked type drainage tube 10 containing wire：Wire is located at drainage tube both sides insulation interior, positive and negative electrode wire one end point
Lian Jie not the positive polar circle of carbon fiber and carbon fiber negative pole, the positive and negative electrode of other end connection DC power signal；
The positive polar circle 8 of carbon fiber：For annular, it is connected with the positive wire of sucked type drainage tube 10 containing wire, is placed in wound
Outer ring skin edge；
Carbon fiber negative pole 9：It is connected with the cathode conductor of sucked type drainage tube 10 containing wire, is placed in wound center；
Foam dressing 11 and pad pasting 12：Drainage is closed for the surface of a wound.
Further, the sucked type drainage tube 10 containing wire includes insulating sleeve 5, and one end of insulating sleeve contains drainage
Tank connector 1, the other end draining hole containing sucked type 6 of insulating sleeve.
Further, the positive polar circle 8 of the carbon fiber and carbon fiber negative pole 9 are constituted by carbon fibre material, carbon fibre material tool
The advantages of having low resistance, low yield heat, no electrochemical reaction, high conductivity.
Further, the insulating sleeve 5 is is divided into three sub-spaces, respectively containing cathode conductor 2, positive wire 4 with
And negative-pressure drainage tube 3；Centre is negative-pressure drainage tube 3, and cathode conductor 2 is respectively placed in the two of negative-pressure drainage tube 3 with positive wire 4
Side, the remainder filled polypropylene gauze packing 7 in space, it is ensured that three interferes with each other..
The advantage of the invention is that：
After 1. the present apparatus is connected with negative pressure and dc source, negative wound pressure drainage function can be played simultaneously and be carried for wound
For DC electric field function, the small volume of device, simple and convenient while assurance function.
2. by the present apparatus, organic collaboration of negative pressure and electric field promotion organization repair can be achieved, tissue is obviously improved
The efficiency and quality of reparation.
Brief description of the drawings
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
The detailed description of one step, wherein：
Fig. 1 is the set composite for having electric field application and drainage concurrently.
Fig. 2 is the sucked type drainage tube containing wire.
Fig. 3 is the sucked type drainage tube cross section containing wire.
Fig. 4 is carbon fiber positive pole coil structures figure；
Fig. 5 is carbon fiber negative polarity node composition.
Embodiment
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail；It should be appreciated that preferred embodiment
Only for the explanation present invention, the protection domain being not intended to be limiting of the invention.
As shown in figure 1, having concurrently, electric field applies and the set composite of drainage is made up of 2 parts.8 be carbon fiber in figure
In positive polar circle, figure 9 be in carbon fiber negative pole, figure 10 be 11 to be foam dressing, figure in the sucked type drainage tube containing wire, figure
12 be pad pasting.
As shown in Fig. 2 the sucked type drainage tube containing wire includes：Drainage tank connector 1, cathode conductor 2, negative pressure drainage
Pipe 3, positive wire 4, PVC insulating sleeves 5 and sucked type draining hole 6.
Described to have that electric field applies and the set composite of drainage includes the positive polar circle 8 of carbon fiber concurrently, carbon fiber negative pole 9 contains
There are the sucked type drainage tube 10 of wire, foam dressing 11 and pad pasting 12；
Sucked type drainage tube 10 containing wire：Wire is located at drainage tube both sides insulation interior, positive and negative electrode wire one end point
Lian Jie not the positive polar circle of carbon fiber and carbon fiber negative pole, the positive and negative electrode of other end connection DC power signal；
The positive polar circle 8 of carbon fiber：For annular, it is connected with the positive wire of sucked type drainage tube 10 containing wire, is placed in wound
Outer ring skin edge；
Carbon fiber negative pole 9：It is connected with the cathode conductor of sucked type drainage tube 10 containing wire, is placed in wound center；
Foam dressing 11 and pad pasting 12：Drainage is closed for the surface of a wound.
3 be the sucked type drainage tube cross section containing wire in figure：It is divided into three sub-spaces, is led respectively containing negative pole
Line 2, positive wire 4 and negative-pressure drainage tube 3；Centre is negative-pressure drainage tube, and cathode conductor is respectively placed in negative pressure with positive wire
The both sides of drainage tube, the remainder filled polypropylene gauze packing 7 in space, it is ensured that three interferes with each other.This contains wire
Sucked type drainage tube under conditions of external connecting negative pressure and dc source, can have concurrently simultaneously electric field apply and drainage, be allowed to
Simple and direct use is possibly realized.
Fig. 4 is the structure chart of the positive polar circle 8 of carbon fiber, and Fig. 5 is the structure chart of carbon fiber negative pole 9, and both lead respectively at positive pole
Line 4 is connected with cathode conductor 2.Wherein carbon fiber negative pole is placed in wound center, and the positive polar circle of carbon fiber is placed in wound periphery skin side
Edge.In the case of external direct current power supply, an orientation DC electric field by outer circumferential center can be provided for wound, accelerates wound
Healing.
Step is used as described below in use, can take in the present invention.
1. after the local injury of patient, after carrying out simple cleaning and sterilizing hemostasis at the injured position of sufferer, using sterile
Gauze wipes clean position and the surrounding skin of injury.
2. according to the size, shape and position of patient's wound, carbon fiber negative pole is placed in into surface of a wound center first, selection is suitable
The positive polar circle of carbon fiber of size is placed in surface of a wound periphery normal skin edge, cut appropriately sized foam dressing be placed in wound and
On the positive polar circle of carbon fiber, while so that carbon fiber negative pole passes through foam dressing.It is respectively that the positive polar circle of carbon fiber and carbon is fine after placement
Dimension negative pole is extremely connected with the negative, positive of the sucked type drainage tube containing wire；Wound is closed using pad pasting, one is then cut off above
Individual osculum, the surface of a wound is placed in by the sucker end of the sucked type drainage tube containing wire, is closed, then, will contained using pad pasting again
The other end of the sucked type drainage tube of wire is connected with central negative pressure and power supply respectively, completes to provide negative for wound by the present apparatus
Press drainage and apply the double action of electric field.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, it is clear that those skilled in the art
Member can carry out various changes and modification to the present invention without departing from the spirit and scope of the present invention.So, if the present invention
These modifications and variations belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to include these
Including change and modification.
Claims (4)
1. a kind of set composite for having electric field application and drainage concurrently, it is characterised in that：The electric field that has concurrently applies and drainage
The set composite of effect includes the positive polar circle of carbon fiber (8), carbon fiber negative pole (9), the sucked type drainage tube (10) containing wire, bubble
Foam dressing (11) and pad pasting (12)；
Sucked type drainage tube (10) containing wire：Wire is located at drainage tube both sides insulation interior, positive and negative electrode wire one end difference
The positive polar circle of carbon fiber and carbon fiber negative pole are connected, the other end connects the positive and negative electrode of DC power signal；
The positive polar circle of carbon fiber (8)：For annular, it is connected with sucked type drainage tube (10) positive wire containing wire, is placed in wound
Outer ring skin edge；
Carbon fiber negative pole (9)：It is connected with sucked type drainage tube (10) cathode conductor containing wire, is placed in wound center；
Foam dressing (11) and pad pasting (12)：Drainage is closed for the surface of a wound.
2. a kind of set composite for having electric field application and drainage concurrently according to claim 1, it is characterised in that：It is described
Sucked type drainage tube (10) containing wire include insulating sleeve (5), one end connector containing drainage tank (1) of insulating sleeve, absolutely
The other end draining hole containing sucked type (6) of edge sleeve pipe.
3. a kind of set composite for having electric field application and drainage concurrently according to claim 1, it is characterised in that：It is described
The positive polar circle of carbon fiber (8) and carbon fiber negative pole (9) are constituted by carbon fibre material.
4. a kind of set composite for having electric field application and drainage concurrently according to claim 2, it is characterised in that：It is described
Insulating sleeve (5) is is divided into three sub-spaces, respectively containing cathode conductor (2), positive wire (4) and negative-pressure drainage tube
(3)；Centre is negative-pressure drainage tube (3), and cathode conductor (2) is respectively placed in the both sides of negative-pressure drainage tube (3) with positive wire (4),
The remainder filled polypropylene gauze packing (7) in space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651144.7A CN107280860A (en) | 2017-08-02 | 2017-08-02 | A kind of set composite for having electric field application and drainage concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651144.7A CN107280860A (en) | 2017-08-02 | 2017-08-02 | A kind of set composite for having electric field application and drainage concurrently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107280860A true CN107280860A (en) | 2017-10-24 |
Family
ID=60104227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710651144.7A Pending CN107280860A (en) | 2017-08-02 | 2017-08-02 | A kind of set composite for having electric field application and drainage concurrently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107280860A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469519A (en) * | 2022-01-27 | 2022-05-13 | 长沙海润生物技术有限公司 | Negative-pressure coupling electric field signal feedback treatment system |
| CN114469520A (en) * | 2022-01-27 | 2022-05-13 | 长沙海润生物技术有限公司 | Negative-pressure electric field dressing connecting device capable of being disassembled and converted quickly |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991484A (en) * | 2010-11-04 | 2011-03-30 | 龙丹 | Wound pain quick recovery application instrument |
| CN102046121A (en) * | 2008-04-04 | 2011-05-04 | 3M创新有限公司 | Wound dressing with micropump |
| EP2481442A1 (en) * | 2009-09-22 | 2012-08-01 | Wuhan VSD Medical Science & Technology Co., Ltd. | Vacuum sealing drainage device for healing wound on body surface |
| CN203139366U (en) * | 2013-01-25 | 2013-08-21 | 中国人民解放军南京军区南京总医院 | Negative pressure wound therapy self-adhesive sucker type drainage tube |
| CN103403095A (en) * | 2010-11-25 | 2013-11-20 | 史密夫及内修公开有限公司 | Composition I-II and products and uses thereof |
| CN103550863A (en) * | 2013-11-21 | 2014-02-05 | 周建大 | Wound surface therapeutic apparatus |
| CN203577141U (en) * | 2013-11-16 | 2014-05-07 | 中南大学湘雅三医院 | Wound surface therapeutic instrument |
| CN205803612U (en) * | 2016-05-13 | 2016-12-14 | 杨均均 | Carbon fiber electrode and the electrolysis bath being made up of this carbon fiber electrode |
| CN106964065A (en) * | 2017-04-25 | 2017-07-21 | 中南大学湘雅三医院 | A kind of skin wound therapeutic equipment |
| CN106964064A (en) * | 2017-04-25 | 2017-07-21 | 中南大学湘雅三医院 | Bio-electric field therapeutic equipment |
-
2017
- 2017-08-02 CN CN201710651144.7A patent/CN107280860A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102046121A (en) * | 2008-04-04 | 2011-05-04 | 3M创新有限公司 | Wound dressing with micropump |
| EP2481442A1 (en) * | 2009-09-22 | 2012-08-01 | Wuhan VSD Medical Science & Technology Co., Ltd. | Vacuum sealing drainage device for healing wound on body surface |
| CN101991484A (en) * | 2010-11-04 | 2011-03-30 | 龙丹 | Wound pain quick recovery application instrument |
| CN103403095A (en) * | 2010-11-25 | 2013-11-20 | 史密夫及内修公开有限公司 | Composition I-II and products and uses thereof |
| CN203139366U (en) * | 2013-01-25 | 2013-08-21 | 中国人民解放军南京军区南京总医院 | Negative pressure wound therapy self-adhesive sucker type drainage tube |
| CN203577141U (en) * | 2013-11-16 | 2014-05-07 | 中南大学湘雅三医院 | Wound surface therapeutic instrument |
| CN103550863A (en) * | 2013-11-21 | 2014-02-05 | 周建大 | Wound surface therapeutic apparatus |
| CN205803612U (en) * | 2016-05-13 | 2016-12-14 | 杨均均 | Carbon fiber electrode and the electrolysis bath being made up of this carbon fiber electrode |
| CN106964065A (en) * | 2017-04-25 | 2017-07-21 | 中南大学湘雅三医院 | A kind of skin wound therapeutic equipment |
| CN106964064A (en) * | 2017-04-25 | 2017-07-21 | 中南大学湘雅三医院 | Bio-electric field therapeutic equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469519A (en) * | 2022-01-27 | 2022-05-13 | 长沙海润生物技术有限公司 | Negative-pressure coupling electric field signal feedback treatment system |
| CN114469520A (en) * | 2022-01-27 | 2022-05-13 | 长沙海润生物技术有限公司 | Negative-pressure electric field dressing connecting device capable of being disassembled and converted quickly |
| CN114469520B (en) * | 2022-01-27 | 2023-02-21 | 长沙海润生物技术有限公司 | Negative-pressure electric field dressing connecting device capable of being disassembled and converted quickly |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |