CN107456613B - A kind of field coupling negative pressure portable prostate treatment device for wound healing - Google Patents
A kind of field coupling negative pressure portable prostate treatment device for wound healing Download PDFInfo
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- CN107456613B CN107456613B CN201710651352.7A CN201710651352A CN107456613B CN 107456613 B CN107456613 B CN 107456613B CN 201710651352 A CN201710651352 A CN 201710651352A CN 107456613 B CN107456613 B CN 107456613B
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- wound
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- dressing
- electric field
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- 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
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- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
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- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Electrotherapy Devices (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a kind of field coupling negative pressure portable prostate treatment device for wound healing, including host, " sandwich sample " foam dressing, bio-compatible transparent pad pasting one, positive and negative anodes patch and sucked type drainage tube containing conducting wire；Host provides negative pressure and DC electric field；" sandwich " sample foam dressing is both Wound-surface negative pressure drainage material, while being also used for providing electric field for the surface of a wound；Bio-compatible transparent pad pasting is for covering dressing and creating all normal skins, and then wound closure；Positive and negative electrode patch is pasted respectively for connecting power supply in positive and negative electrode carbon fiber foam dressing；Sucked type drainage tube containing conducting wire has both drainage and conductive double action, and one end connects foam dressing and positive and negative anodes patch, and the other end connects host.The present invention can realize organic collaboration of closed negative pressure drainage and the effect of DC electric field technology wound healing, dramatically speed up the healing of the various acute and chronic surface of a wound in the synchronous application negative pressure of the surface of a wound and DC electric field.
Description
Technical field
Field coupling negative pressure the invention belongs to field coupling negative pressure technique, in particular to for wound healing is portable
Formula therapeutic device.
Background technique
Acute skin soft tissue injury is that the main of wound hurts class.Since the condition of the injury is complicated, treatment is not in time with negligence of care etc.
Easily there is skin wound infection, blood supply obstacle etc., leads to surface of a wound protracted course of disease in factor.Meanwhile as China human mortality is aging,
Since the disease incidence of a variety of chronic diseases skin ulcer as caused by diabetes, vascular conditions, pressure sore etc. increases year by year, due to
Surface of a wound blood circulation is poor, edge of wound skin repair cell Proliferation and migration obstacle etc., often forms chronic wound, causes the surface of a wound difficult
More, seriously affect patient's appearance and functional rehabilitation.
The lasting or intermittent surface of a wound closed negative pressure drainage of some strength, can be acted on by continuous drainage and avoid surface of a wound sense
Dye, effectively facilitates surface of a wound endothelial cell proliferation, angiogenesis and granulation tissue and is formed, and plays and maintains good surface of a wound micro-loop
Border, wound healing important function.Currently, surface of a wound closed negative pressure drainage technology in the treatment of the various acute and chronic surface of a wound
Obtain applications well.
Surface of a wound Endogenous Electrical Fields refer to spontaneously formed in wound with edge of wound normal skin for anode, in the surface of a wound
The heart be cathode DC electric field, the DC electric field can promote edge of wound repair relevant cell proliferation and to surface of a wound Center shift, promote
Edge of wound nerve is grown to the surface of a wound, to play an important role in surface of a wound epithelialization and wound healing.Therefore, it is based on surface of a wound endogenous
The principle of electric field wound healing applies the exogenous electric field of some strength in the surface of a wound, and makes the positive position of exogenous electric field
It is located at surface of a wound center (simulation Endogenous Electrical Fields) in edge of wound, cathode, will plays the role of accelerating acute and chronic wound healing.So
And the effect of surface of a wound electric field wound healing depends on the good microenvironment of the surface of a wound；Meanwhile applying exogenous electric field in the surface of a wound
There are inconvenience on operating level, in particular how positive electrode is fixed on edge of wound normal skin and negative electrode material is fixed
In surface of a wound center, how avoiding anode and negative electrode material from occurring shifting during lasting electric field applies etc., there are technologies
Obstacle, therefore effective clinical conversion and application are not obtained always using the technology of exogenous electric field wound healing.
Summary of the invention
In view of this, controlling the object of the present invention is to provide a kind of field coupling negative pressure for wound healing is portable
Treat device.The device drains dressing as the positive and negative electrode material for applying exogenous electric field in the surface of a wound using the foam with conducting function
Material, makes positive and negative electrode material be separately fixed at edge of wound normal skin and surface of a wound center with the good fixed function that closed negative pressure has,
To apply exogenous electric field and closed negative pressure drainage simultaneously in the surface of a wound, only not exogenous electric field is provided applied to wound healing
Simple and feasible technical solution, and realize organic association of closed negative pressure drainage and exogenous electric field wound healing
Together.
The purpose of the present invention is achieved through the following technical solutions: a kind of field coupling for wound healing
Negative pressure portable prostate treatment device, including host 27, " sandwich " sample foam dressing 24, bio-compatible transparent pad pasting 1, just,
Cathode patch 25 and sucked type drainage tube 26 containing conducting wire；
Host 27: the negative pressure and DC electric field of some strength can be provided simultaneously for the surface of a wound, and can be according to Wound treating not
With the parameter for requiring adjusting negative pressure and electric field；
" sandwich " sample foam dressing 24: being both the negative pressure drainage material of flap coverage, at the same be also used for have it is external straight
Orientation DC electric field is provided for the surface of a wound under conditions of galvanic electricity source, the cathode foam including being placed in the conductive energy in surface of a wound center
Dressing around cathode foam dressing surrounding, is placed in the insulating foams dressing at remaining position of the surface of a wound and around insulating foams dressing
Surrounding, the positive foam dressing for being placed in surface of a wound surrounding normal skin, three form lateral " sandwich " spline structure；
Bio-compatible transparent pad pasting 1: by pasting dressing and create all normal skins, providing closed environment for the surface of a wound,
It is achieved closed negative pressure drainage；
Positive and negative electrode patch 25: for powering on for positive and negative anodes dressing；Positive patch is affixed on positive foam dressing, cathode
Patch is affixed on cathode foam dressing；
Sucked type drainage tube 26 containing conducting wire: having both drainage and forms the double action of circuit loop；Drainage tube band is inhaled
Disk one end invests " sandwich " sample foam dressing, and the other end connects the negative pressure fluid reservoir of host；It is exhausted that conducting wire is located at drainage tube two sides
In marginal cell, the conducting wire of positive and negative electrode one end connection positive and negative electrode patch of conducting wire, the other end connects host power supply signal generator
Positive and negative electrode.
Further, the host 27 includes negative pressure fluid reservoir 3, the sucked type drainage tube connecting interface 2 containing conducting wire, has
Rechargeable high-capacity battery 7, negative pressure and the electric field patterns button 1 of external power supply, the negative pressure for adjusting vacuum magnitude are adjusted and are pressed
Button 4, the liquid crystal display 5 for showing negative pressure and electric field level and the electric field adjusting button 6 for adjusting electric field level.
Further, positive foam dressing 8 and cathode foam dressing 9 are carbon fiber foam dressing, and insulating foams dressing 10 is
Polyurethane foam dressing.
Further, the positive and negative electrode patch 25 includes bio-compatible transparent pad pasting two, Electricity conductive plaster 13 and plug 14,
Electricity conductive plaster 13 is located at two center of bio-compatible transparent pad pasting, is connected by conducting wire with plug 14.
Further, the sucked type drainage tube 26 containing conducting wire include insulating sleeve 19, polypropylene mesh filler 15,
Cathode conductor 18, negative-pressure drainage tube 17 and positive wire 16；Insulating sleeve 19 is included there are three cell, and negative-pressure drainage tube 17 is located at
Central cell, cathode conductor 18 and positive wire 16 are located at two sides cell, and three cells are by polypropylene mesh filler 15
Filling；The suction cup portion of sucked type drainage tube includes bio-compatible transparent pad pasting 3 20, positive wire jack 21, closed suction
Disk 22 and cathode conductor jack 23；Positive wire jack 21 and cathode conductor jack 23 are located at closed sucker (22) two sides,
It is connected with positive and negative electrode conducting wire in negative-pressure drainage tube.
The present invention has the advantages that
The present invention is not only that exogenous electric field is applied to wound healing and provides simple and feasible technical solution, and realizes
Organic collaboration of closed negative pressure drainage and exogenous electric field wound healing, is to dramatically speed up wound healing, especially plus
The treatment new technology and new equipment of fast various refractory wounds healings.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
The detailed description of one step, in which:
Fig. 1 is the field coupling negative pressure portable prostate treatment device schematic diagram of wound healing；
Fig. 2 is host schematic diagram；
Fig. 3 is " sandwich " sample foam dressing schematic diagram；
Fig. 4 is one schematic diagram of bio-compatible transparent pad pasting；
Fig. 5 is positive and negative electrode patch schematic diagram；
Fig. 6 is the sucked type drainage tube cross-sectional view containing conducting wire；
Fig. 7 is the sucked type drainage tube longitudinal section containing conducting wire.
Specific embodiment
Below with reference to attached drawing, a preferred embodiment of the present invention will be described in detail；It should be appreciated that preferred embodiment
Only for illustrating the present invention, rather than limiting the scope of protection of the present invention.
As shown in Figure 1, the field coupling negative pressure portable prostate treatment device of wound healing is steeped by host, " sandwich " sample
Foam dressing, bio-compatible transparent pad pasting one, positive and negative anodes patch and 5 parts of sucked type drainage tube containing conducting wire form.Figure
In 27 be host；24 be " sandwich " sample foam dressing in figure；25 be positive and negative electrode patch in figure；11 be biocompatibility in figure
Transparent pad pasting one；26 be the sucked type drainage tube containing conducting wire in figure.
It is illustrated in figure 2 host, this equipment is the core that field coupling negative pressure promotees wound healing integrated therapeutic new technology
Heart equipment can provide sufficient negative pressure and electric field during the entire course for the treatment of, can be according to progress mode the case where wound
It adjusts, changes the parameter of negative pressure and electric field to adapt to different wounds, and real-time negative pressure can be perceived, sent out when negative pressure air leakage
Alarm out.The host includes negative pressure fluid reservoir and high-capacity battery 7, and the front end of negative pressure fluid reservoir is provided with the suction containing conducting wire
Disc type drainage tube interface after being connected with the sucked type drainage tube containing conducting wire, can store surface of a wound drainage diffusate.With external
Power connection rechargeable type high-capacity battery is the power supply of host, and the electricity up to 48 hours can be provided in the case of quota
Energy.Host inner space is planned by reasonable computation and using international advanced device, the host developed is made to reach lightweight, one
The requirement of body.
Host includes the sucked type drainage tube interface 2 containing conducting wire, to be connected with drainage tube.What is be attached thereto is negative pressure
Fluid reservoir 3, for storing the blood and tissue fluid that drain.Larger button person is regulation button in operation pages, and the left side is negative
Press regulation button 4, adjustable range 0-200mmHg.The right is electric field adjusting button 6, adjustable range 50-200mV/mm.Behaviour
Make above the page to be liquid crystal display 5, for showing the negative pressure and electric field level applied at present.The smaller button of operation pages is mould
Formula button 1 is the negative pressure and the fixed Combination model selection of electric pulse field parameter of the different surface of a wound.
The host includes following four part: liquid crystal display systems, negative pressure ventilation pumping system, electric signal generating system and
Single-chip computer control system.The liquid crystal display systems is (aobvious for instant playback negative pressure and electric field level and for adjusting control
Show treatment mode) output signal (parameter)；The negative pressure ventilation pumping system promotes surface of a wound basal part for persistently providing negative pressure
Granulation growth provides local wound microenvironment for the migration of edge of wound epidermal cell and nerve growth, and can perceive real-time negative pressure, in negative
It is sounded an alarm when pressing gas leakage；The electric signal generating system is used to provide lasting or pulse direct current electric field for the surface of a wound, promotes edge of wound
Epidermis migration and nerve growth etc.；The single-chip computer control system is used to control negative pressure and electric field level, action time parameter,
It can be sounded an alarm when detecting negative pressure air leakage.
It is illustrated in figure 3 " sandwich " sample foam dressing, this equipment is that field coupling negative pressure promotees wound healing integration
New technology is treated to be able to facilitate the important invention of implementation." sandwich " sample foam dressing is used for flap coverage, has the drainage surface of a wound
Secretion and the double action of electric field is provided for the surface of a wound as conducting material.Cover the foam of edge of wound normal skin and surface of a wound center
Dressing is the carbon fiber foam dressing of conductive energy, and the anode dressing and cathode dressing when respectively as application electric field cover
Lid surface of a wound rest part is polyurethane insulating foams dressing, and three forms lateral " sandwich " spline structure, should " Sanming City
Control " spline structure can ensure that positive and negative electrode dressing be connected to power supply after, electric current is without the dressing of polyurethane insulating foams but flows through
The surface of a wound, being formed in the surface of a wound using edge of wound normal skin is anode, using surface of a wound center as the orientation DC electric field of cathode." sandwich " sample
For foam dressing in addition to having the function of drainage and high tissue compatibility feature, carbon fiber foam dressing also has low resistance, low
The advantages that heat production, no electrochemical reaction, high conductivity, a kind of dressing can meet closed negative pressure drainage and apply exogenous electricity
Place needs core material requirement.
" sandwich " sample foam dressing includes the cathode carbon fiber foam dressing for being placed in the conductive energy in surface of a wound center
9, around cathode carbon fiber foam dressing surrounding, be placed in the polyurethane insulating foams dressing 10 at remaining position of the surface of a wound and surround
Polyurethane insulating foams dressing surrounding, the positive carbon fiber foam dressing 8 for being placed in surface of a wound surrounding normal skin.To meet not
Three kinds of components of " sandwich " sample foam dressing can be cut into respectively suitable shape by the demand of similar shape, the size surface of a wound, thus
Be conducive to closed negative pressure drainage implementation synchronous with exogenous electric field.
It is as shown in Figure 4,5 bio-compatible transparent pad pasting one and positive and negative anodes patch.Bio-compatible transparent pad pasting one is
Biological polyurethane semi-permeable membrane with stickiness allows water droplet, vapor and other gas unidirectionals to penetrate, while having good
Biocompatibility provides closed environment by pasting dressing and creating all normal skins for the surface of a wound.Positive and negative electrode patch is with leading
The stickiness patch of electrical property, patch are connected with a section lead with plug 14, and patch surrounding is bio-compatible transparent pad pasting
2 12.Positive and negative electrode patch is pasted respectively on positive and negative electrode carbon fiber foam dressing, so that exogenous electric field be made to be applied to the surface of a wound
It is possibly realized, while the bio-compatible transparent pad pasting two of patch surrounding has the function of impermeable plastic wound dressing.
Bio-compatible transparent pad pasting 1 is affixed on dressing first when use and creates all normal skins, forms closed-loop
Then pad pasting is respectively cut off an osculum in suitable position on corresponding positive and negative electrode carbon fiber foam dressing, pastes conductive label by border
Piece 13 closes exposed dressing using bio-compatible transparent pad pasting 2 12 in positive and negative anodes carbon fiber foam dressing.Positive and negative electrode
Plug 14 on patch is respectively used to the positive wire jack having in following step and on the sucked type drainage tube containing conducting wire
21, cathode conductor jack 23 connects.
It is as shown in Figure 6,7 the sucked type drainage tube containing conducting wire, its cross section shown in Fig. 6, its longitudinal section shown in Fig. 7.
The sucked type drainage tube 26 containing conducting wire is led including insulating sleeve 19, polypropylene mesh filler 15, cathode
Line 18, negative-pressure drainage tube 17 and positive wire 16；Insulating sleeve 19 is included there are three cell, and negative-pressure drainage tube 17 is centrally located small
Room, cathode conductor 18 and positive wire 16 are located at two sides cell, and three cells are filled by polypropylene mesh filler 15；It inhales
The suction cup portion of disc type drainage tube include bio-compatible transparent pad pasting 3 20, positive wire jack 21, closed sucker 22 with
And cathode conductor jack 23；Positive wire jack 21 and cathode conductor jack 23 are located at closed sucker (22) two sides, with negative pressure
Positive and negative electrode conducting wire is connected in drainage tube.
Drainage tube band sucker one end is adhered in insulation polyurethane foam dressing, and the other end connects fluid reservoir, to make
Negative pressure drainage is achieved；Conducting wire is located at drainage tube two sides insulation interior, and conducting wire positive and negative electrode one end connects positive and negative electrode patch
Conducting wire, the other end connects the positive and negative electrode of host power supply signal generator, so that voltage output be made to be achieved.Therefore, containing leading
The sucked type drainage tube of line has both drainage and forms the double action of circuit loop.
Pad pasting when use in polyurethane insulation dressing 10 cuts off an osculum, and the sucked type containing conducting wire is drained
Sucker one end of pipe attaches thereon, and the dressing of exposure is closed using bio-compatible transparent pad pasting 3 20.Conducting wire will be contained
The jack of sucked type drainage tube is docked with the line trap 14 of above-mentioned positive and negative electrode patch, to form circuit loop.
The present invention uses step in use, can take as follows.
1. being cleaned, after debridement and hemostasis in the surface of a wound, edge of wound surrounding skin is cleaned using sterile gauze.
2. suitable " sandwich " sample foam dressing is cut according to wounds shape size, to be slightly larger than wounds
It is preferred, cathode carbon fiber foam dressing is covered in surface of a wound center, polyurethane insulation dressing covers remaining surface of a wound, positive carbon fiber
It ties up dressing and covers edge of wound normal skin.
3. after placing " sandwich " sample foam dressing, cutting suitable bio-compatible transparent pad pasting one, cover whole
A " sandwich " sample foam dressing and part normal skin, form it into enclosed environment.
4. after having pasted bio-compatible transparent pad pasting one, the pad pasting in polyurethane insulation dressing is cut off into an osculum,
Thereon by the attaching of the sucked type drainage tube containing conducting wire, and using pad pasting the dressing of exposure is closed.Then by positive and negative electrode carbon fiber
Pad pasting in dimension dressing respectively cuts off an osculum, pastes positive and negative electrode patch, and the dressing of exposure is closed using pad pasting.It will be positive and negative
The line trap of pole patch is docked with the jack of the sucked type drainage tube containing conducting wire, is closed to reach connection circuit and be formed
Drain the purpose of environment.
5. by the other end of the sucked type drainage tube containing conducting wire and corresponding drainage and power interface on host fluid reservoir
It is connected, completes negative pressure drainage and direct current electrical circuit.
6. opening host, treatment mode (including negative pressure and electric pulse field parameter etc.) appropriate is selected to carry out electricity according to surface of a wound situation
Field coupling vacuum integral Wound treating.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, it is clear that those skilled in the art
Various changes and modifications can be made to the invention by member without departing from the spirit and scope of the present invention.If in this way, of the invention
Within the scope of the claims of the present invention and its equivalent technology, then the present invention is also intended to encompass these to these modifications and variations
Including modification and variation.
Claims (5)
1. a kind of field coupling negative pressure portable prostate treatment device for wound healing, it is characterised in that: including host
(27), " sandwich " sample foam dressing (24), bio-compatible transparent pad pasting one (11), positive and negative electrode patch (25) and contain
The sucked type drainage tube (26) of conducting wire；
Host (27): the negative pressure and DC electric field of some strength can be provided simultaneously for the surface of a wound, and can be according to the difference of Wound treating
It is required that adjusting the parameter of negative pressure and electric field；
" sandwich " sample foam dressing (24): both it had been the negative pressure drainage material of flap coverage, while being also used for having external direct current
Orientation DC electric field is provided for the surface of a wound under conditions of power supply, the cathode foam including being placed in the conductive energy in surface of a wound center applies
Material around cathode foam dressing surrounding, is placed in the insulating foams dressing at remaining position of the surface of a wound and around insulating foams dressing four
Week, the positive foam dressing for being placed in surface of a wound surrounding normal skin, three form lateral " sandwich " spline structure；
Bio-compatible transparent pad pasting one (11): by pasting dressing and creating all normal skins, closed environment is provided for the surface of a wound, is made
Closed negative pressure drainage is achieved；
Positive and negative electrode patch (25): for powering on for positive and negative anodes dressing；Positive patch is affixed on positive foam dressing, cathode patch
Piece is affixed on cathode foam dressing；
Sucked type drainage tube (26) containing conducting wire: having both drainage and forms the double action of circuit loop；Drainage tube band sucker
One end invests " sandwich " sample foam dressing, and the other end connects the negative pressure fluid reservoir of host；Conducting wire is located at the insulation of drainage tube two sides
Interior, conducting wire positive and negative electrode one end connection positive and negative electrode patch conducting wire, the other end connect host power supply signal generator just,
Cathode.
2. a kind of field coupling negative pressure portable prostate treatment device for wound healing according to claim 1,
Be characterized in that: the host (27) includes negative pressure fluid reservoir (3), the sucked type drainage tube connecting interface (2) containing conducting wire, has
Rechargeable high-capacity battery (7), negative pressure and electric field patterns button (1), the negative pressure tune for adjusting vacuum magnitude of external power supply
Section button (4), the liquid crystal display (5) for showing negative pressure and electric field level and the electric field adjusting for adjusting electric field level are pressed
Button (6).
3. a kind of field coupling negative pressure portable prostate treatment device for wound healing according to claim 1,
Be characterized in that: positive foam dressing (8) and cathode foam dressing (9) are carbon fiber foam dressing, and insulating foams dressing (10) is
Polyurethane foam dressing.
4. a kind of field coupling negative pressure portable prostate treatment device for wound healing according to claim 1,
Be characterized in that: the positive and negative electrode patch (25) includes bio-compatible transparent pad pasting two (12), Electricity conductive plaster (13) and plug
(14), Electricity conductive plaster (13) is located at bio-compatible transparent pad pasting two (12) center, is connected by conducting wire with plug (14).
5. a kind of field coupling negative pressure portable prostate treatment device for wound healing according to claim 1,
Be characterized in that: the sucked type drainage tube (26) containing conducting wire include insulating sleeve (19), polypropylene mesh filler (15),
Cathode conductor (18), negative-pressure drainage tube (17) and positive wire (16)；Insulating sleeve (19) is included there are three cell, negative pressure drainage
(17) centrally located cell is managed, cathode conductor (18) and positive wire (16) are located at two sides cell, and three cells are by poly- third
Alkene gauze packing (15) filling；The suction cup portion of sucked type drainage tube includes bio-compatible transparent pad pasting three (20), anode
Wire jack (21), closed sucker (22) and cathode conductor jack (23)；Positive wire jack (21) and cathode conductor are inserted
Hole (23) is located at closed sucker (22) two sides, is connected with positive and negative electrode conducting wire in negative-pressure drainage tube.
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| CN201710651352.7A CN107456613B (en) | 2017-08-02 | 2017-08-02 | A kind of field coupling negative pressure portable prostate treatment device for wound healing |
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| CN201710651352.7A CN107456613B (en) | 2017-08-02 | 2017-08-02 | A kind of field coupling negative pressure portable prostate treatment device for wound healing |
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| CN109717841B (en) * | 2019-03-12 | 2022-02-22 | 西南医科大学 | Device and method for measuring endogenous electric field of skin lesion |
| CN110229752B (en) * | 2019-06-24 | 2024-03-19 | 上海长海医院 | Micro negative pressure cell culture device |
| CN114469521B (en) * | 2022-01-27 | 2022-09-06 | 长沙海润生物技术有限公司 | Extraction structure of negative-pressure coupling electric field dressing |
| CN114469519B (en) * | 2022-01-27 | 2022-08-05 | 长沙海润生物技术有限公司 | Negative-pressure coupling electric field signal feedback treatment system |
| CN114469518B (en) * | 2022-01-27 | 2023-02-21 | 长沙海润生物技术有限公司 | Dressing for negative-voltage electric field coupling strong-oxygen therapy |
| 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 |
| CN114712089B (en) * | 2022-04-25 | 2023-04-07 | 长沙海润生物技术有限公司 | Wound surface dressing for negative-pressure coupling electric field and constant-temperature treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BRPI0818615A2 (en) * | 2007-10-18 | 2015-04-07 | Convatec Techonologies Inc | Aspiration system for removal of liquid discharged by the human body, and liquid sensor for the same. |
| US20090240218A1 (en) * | 2008-03-20 | 2009-09-24 | Tyco Healthcare Group Lp | Wound Therapy System |
| CN101427961B (en) * | 2008-12-15 | 2013-04-10 | 龙丹 | Pain relieving sterilized electronic plaster instrument for trauma |
| CN103550863A (en) * | 2013-11-21 | 2014-02-05 | 周建大 | Wound surface therapeutic apparatus |
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