CN102049069B - Wound surface closing device, and wound comprehensive treatment control system - Google Patents
Wound surface closing device, and wound comprehensive treatment control system Download PDFInfo
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- CN102049069B CN102049069B CN200910211424A CN200910211424A CN102049069B CN 102049069 B CN102049069 B CN 102049069B CN 200910211424 A CN200910211424 A CN 200910211424A CN 200910211424 A CN200910211424 A CN 200910211424A CN 102049069 B CN102049069 B CN 102049069B
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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
- A61M1/96—Suction control thereof
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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
- A61M1/91—Suction aspects of the dressing
- A61M1/915—Constructional details of the pressure distribution manifold
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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
- A61M1/95—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with sensors for exudate composition
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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
- A61M1/71—Suction drainage systems
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
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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
- A61M1/84—Drainage tubes; Aspiration tips
- A61M1/85—Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
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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
- A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid supply means
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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
- A61M1/94—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with gas supply means
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0216—Ozone
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3324—PH measuring means
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Abstract
The invention discloses a wound surface closing device, a wound comprehensive treatment control system and method. The wound surface closing device comprises a sticky patch, a sticky disc, a medical elastic gel strip and a joint seat, wherein a catheter connected with the sticky disc into a whole is arranged on the sticky disc, the catheter is communicated with the inner cavity of the joint seat after penetrating through the center of the sticky disk, and a plurality of joints are arranged on the side of the inner cavity of the joint seat. The wound comprehensive treatment control system comprises a plurality of wound surface closing devices, a wound surface sensor, a first catheter sensor, a second catheter sensor, a first drive circuit, a treatment catheter control device, a peristaltic pump and a second drive device, a discharge catheter control device, a negative pressure pump, a CPU, a keyboard and a display. The invention has the advantages of increasing the positive pressure treatment way, providing various treatment methods of gas, aerosol and solution to various complex wounds without changing a medical prescription, lightening the pain of patients, reducing the medical treatment cost, and meeting the needs of wound surface closing treatment in large-area burns, trauma and severe sepsis.
Description
Technical field
The present invention relates to armarium, be specifically related to a kind of wound surface locking device and wound Comprehensive Treatment control system and method.
Background technology
At present; In traditional treatment to large-area burns, wound and severe infections wound surface; Open Wound treating has been changed into the Wound treating of sealing, but be the negative pressure treatment of wound surface usually, its therapy system is formed negative pressure system by pressure transducer, little CPU, drive circuit, negative pressure pump, various pipeline; Can the material after the various treatments of wound surface be excreted according to specified pressure, time and speed automatically, accomplish the negative pressure treatment of wound surface.The negative pressure treatment of this wound surface needs a wound surface locking device, is provided with conduit, and conduit inserts the cavity of wound surface, is used for discharging the refuse that various treatments produce through therapeutic equipment.This wound surface locking device simple structure can only be accomplished negative pressure emission, and the effect of treatment and function are all relatively poor.Its therapy system also is single vacuum control system, and therapeutic modality can not satisfy clinician and the clinical research personnel needs to the treatment wound surface.
Development along with medical practice; Clinician and clinical research personnel hope under the airtight situation of wound surface; Through the wound surface locking device various treatments are input to the wound surface of sealing with gas, aerosol, medicinal liquid according to specified pressure, fixed time, carry out the closure treatment.Through implementing various therapeutic schemes; Not needing the medical worker to open wound surface changes dressings; Just can carry out like treatments such as oxygen therapy, ozone sterilization, circulation flushing sterilization, nutritional solution circumfusion, vacuum suctions wound surface; Originally the treatment that is difficult to wound surface is implemented is become easily, change the traditional close Therapeutic Method fully.Yet the wound surface locking device and the wound Comprehensive Treatment control system that adapt to this treatment needs do not have as yet sees.Open wound surface is become the wound surface of sealing.On the treatment basis of Wound-surface negative pressure treatment, increase the positive pressure therapy passage of gas, aerosol, liquid, various treatment gases, aerosol, various cleaning agent, antibiosis and sterilization agent, nutritional solution are recycled to the treatment wound surface through CPU control.For the clinician provides various complicated injuries are carried out treatment approach all gases, aerosol, solution; And can accurately control various medicines or gas, aerosol, liquid in wound surface action time; Circulation rate etc.; Situation such as the pressure of wound surface, temperature, humidity, PH are carried out omnidistance dynamic monitoring, proposed the new problem of wound surface locking device and wound Comprehensive Treatment control system.
Summary of the invention
The purpose of this invention is to provide a kind of traditional negative pressure Therapeutic Method that changes wound surface; Can be under the situation of need not changing dressings; Carry out various complicated injuries are carried out the positive pressure therapy of multiple gases, aerosol and solution, and the wound surface state is carried out omnidistance dynamic monitoring, to alleviate the patient suffering; Reduce medical treatment cost, wound surface locking device easy to use and wound Comprehensive Treatment control system and method.
Wound surface locking device provided by the invention comprises and pastes film, stickup disk, medical elastic gel strip and plinth that said stickup disk is provided with conduit, and the central part that said conduit passes said stickup disk communicates with the inner chamber of said plinth; Said medical elastic gel strip is positioned at the outer rim of said stickup film, and said stickup film is provided with the through hole of placing said plinth, and said stickup lower disk surface is provided with glue-line and seals the outer rim of said through hole through said glue-line; The sidewall of said plinth inner chamber is laid with several union joints; Said union joint inner end communicates with said plinth inner chamber; The sealing of said union joint outer end is also cut off in use, is connected with the porous suction catheter after cutting off, and said porous suction catheter places between the double-deck dressing on the wound surface.
Wound surface locking device of the present invention, wherein said union joint are 4-8, are laid with 2-4 row permeability hole on the wall of said porous suction catheter.
Wound surface locking device of the present invention, wherein said stickup disk, union joint and plinth adopt medical PE or PVC material to process, and said stickup film adopts medical PU material to process, and said double-deck dressing is rubber-like medical foam or gauze or PVA or PU material.
Wound Comprehensive Treatment control system provided by the invention; Comprise CPU and coupled keyboard and display, wound surface locking device, some second pipeline sensor, second drive circuit, negative pressure pump and discharge line control device; Said second pipeline sensor links to each other with said CPU with second drive circuit; Said second drive circuit links to each other with said negative pressure pump and discharge line control device are electric respectively, and said wound surface locking device comprises at least 1 malleation closed joint, at least 1 negative-pressure sealed joint and at least 1 wound surface closed joint; Also comprise some wound surface pick offs, some first pipeline sensor, first drive circuit, peristaltic pump and treatment pipeline control device; Said wound surface pick off is installed in the inner chamber of wound surface; Said first pipeline sensor, treatment pipeline control device and peristaltic pump are installed on the access pipeline of malleation closed joint; Said second pipeline sensor, discharge line control device and negative pressure pump are installed on the discharge line of negative-pressure sealed joint, wherein:
Said treatment pipeline control device is used for inserting the required gas of various treatments, aerosol and liquid through pipeline;
Said discharge line control device is used for discharging various waste gas and the waste liquid that negative-pressure sealed joint and wound surface closed joint are drawn through pipeline;
Said wound surface pick off is used to detect the state parameter in the wound closure;
Said first pipeline sensor is used for detecting treatment pipeline conditions parameter;
Said second pipeline sensor is used to detect the discharge line state parameter;
Said first drive circuit is used for exporting the instruction of said CPU to said peristaltic pump and treatment pipeline control device; Said second drive circuit is used for exporting the instruction of said CPU to said negative pressure pump and discharge line control device;
Said wound surface pick off, first pipeline sensor and first drive circuit link to each other respectively with said CPU, and said first drive circuit links to each other respectively with treatment pipeline control device with said peristaltic pump, and the step that said CPU carries out comprises:
1) program initialization shows the current time;
2) user is through said keyboard input patient name, sex, age, department, medical record number;
3) select the plan of establishment;
4) user is revised above-mentioned setting value and system works total time of having decided the parameter and each item detected parameters of initialization system outside the plan of establishment of the plan of establishment as required through said keyboard;
5) treatment beginning; Said CPU detects the detected parameters of said wound surface locking device each point; Each detection signal to returning compares respectively with corresponding setting value; And output instruction signal to said first drive circuit to be controlling the start and stop of said peristaltic pump, and output instruction signal to said second drive circuit is to control the start and stop of said negative pressure pump;
6) show the setting value of treatment project, system time, detected parameters and detected value and working time thereof in real time through said display, and the duty of said treatment pipeline control device, discharge line control device, peristaltic pump and negative pressure pump;
7) system works total time arrives, and treatment finishes, and returns original state.
Wound Comprehensive Treatment control system of the present invention; Wherein said first pipeline sensor and second pipeline sensor include a plurality of pressure transducers respectively; Said wound surface pick off comprises a plurality of pressure transducers, temperature sensor, humidity sensor, concentration sensor and acidity-basicity sensor; Wherein, The connection tube of pressure transducer communicates with the conduit of wound surface closed joint, and temperature sensor, humidity sensor, concentration sensor and acidity-basicity sensor place the double-deck dressing in the wound surface, connects lead and between wound surface and medical elastic gel strip, draws.
Wound Comprehensive Treatment control system of the present invention, in the wherein said step 4), the setting value of system's each item detected parameters comprises at least:
A) said negative pressure pump pressure and circulating working time thereof;
B) said peristaltic pump pressure and circulating working time thereof;
C) said each pressure of treatment pipeline control device and circulating working time, temperature and heater working time thereof, humidity and humidifier working time thereof;
D) said treatment pipeline control device oxygen concentration and/or ozone concentration and/or ozone solution concentration and service time thereof.
Wound Comprehensive Treatment control system of the present invention; Wherein said discharge line control device is provided with the liquid level self-checking device; The liquid level self-checking device is provided with positive displacement pump, and said positive displacement pump is installed on the discharge line of negative-pressure sealed joint and through pipeline and communicates with the collection container of waste liquid.
Wound Comprehensive Treatment control system of the present invention, in the wherein said step 5), said wound surface locking device each point detected parameters comprises pressure, temperature, humidity, oxygen concentration and/or ozone concentration and/or ozone solution concentration and PH at least.
The wound comprehensive treatment of employing wound Comprehensive Treatment control system provided by the invention, this method comprises:
1) at wound surface at least 3 wound surface locking devices that comprise malleation closed joint, negative-pressure sealed joint and wound surface closed joint is installed;
2) control system that adopts some second pipeline sensor, second drive circuit, negative pressure pump, discharge line control device and C P U on the discharge line that is installed in negative-pressure sealed joint to form is carried out the negative pressure treatment control of combustion gas, waste liquid;
3) control system that adopts some first pipeline sensor, first drive circuit, peristaltic pump and treatment pipeline control device and C P U on the access pipeline be installed in the malleation closed joint to form is imported the positive pressure therapy control of gas, aerosol, liquid;
4) user setting value and the system works total time selecting the plan of establishment or revise the parameter and each item detected parameters of initialization system outside the plan of establishment of the plan of establishment as required;
5) adopt C P U to detect the detected parameters of said wound surface locking device each point; Each detection signal to returning compares respectively with corresponding setting value; And output instruction signal to the first drive circuit with control peristaltic pump start and stop, output instruction signal to the second drive circuit with control negative pressure pump start and stop;
6) adopt the supravasal wound surface pick off be installed in the wound surface closed joint, be installed in the automatic control that collection container, positive displacement pump and liquid level self-checking device on the wound surface closed joint discharge line carries out effluent discharge;
7) pass through setting value and real-time detected value and the working time thereof that display shows treatment project, system time, detected parameters, and the duty of treatment pipeline control device, discharge line control device, peristaltic pump, negative pressure pump and positive displacement pump;
8) original state is returned in systemic circulation operation when treatment finishes.
Wound comprehensive treatment of the present invention, in the wherein said step 3), the said plan of establishment comprises at least:
First plan of establishment: vacuum suction, negative pressure value 80mmHg, pull up time 5min injects oxygen then, pressure 50mmHg, service time 2min;
Second plan of establishment: vacuum suction, negative pressure value 100mmHg, pull up time 5min injects oxygen then, pressure 50mmHg, service time 2min, every interval 68min injects ozone, pressure 50mmHg, service time 2min;
The 3rd plan of establishment: vacuum suction, negative pressure value 120mmHg, pull up time 5min injects oxygen then; Pressure 50mmHg, service time 2min, every interval 8h injects disinfectant solution or treatment liquid, pressure 50mmHg; Service time 15min, vacuum suction simultaneously, negative pressure value 20mmHg; Inhale 1min, stop 2min, periodic duty;
The 4th plan of establishment: vacuum suction, negative pressure value 100mmHg, pull up time 5min injects aerosol then; Pressure 50mmHg, service time 3min, every interval 8h injects disinfectant solution or treatment liquid, 26 ℃ of temperature of liquid; Pressure 50mmHg, service time 15min, vacuum suction simultaneously, pressure 20mmHg; Inhale 1min, stop 2min, periodic duty.
The advantage of wound surface locking device provided by the invention and wound Comprehensive Treatment control system and method is: owing on the treatment basis of Wound-surface negative pressure treatment, increase the positive pressure therapy passage of gas, aerosol, liquid; Control various treatment gases, aerosol through computer; Various cleaning agent, antibiosis and sterilization agent, nutritional solution circulation treatment wound surface.For the clinician provides various complicated injuries are carried out treatment approach all gases, aerosol, solution.Can accurately control various medicines or gas, aerosol, liquid in wound surface action time, circulation rate etc.Make that topical agent treatment can be sealed at wound surface, carry out under the situation of need not changing dressings, it will further reduce the spending of changing dressings, alleviating the patient suffering, reducing medical care expenses.Wound surface locking device provided by the invention and wound Comprehensive Treatment control system thereof can satisfy the demand of large-area burns, wound and severe infections wound surface being carried out closed treating, for clinician and clinical research personnel treat wound surface a new platform are provided.
Description of drawings
Fig. 1 is that the master of wound surface locking device structure of the present invention looks cutaway view,
Fig. 2 is the partial sectional view of overlooking of wound surface locking device structure of the present invention;
Fig. 3 adopts the master of two wound surface locking device treatments to look cutaway view,
Fig. 4 is the vertical view that adopts two wound surface locking device treatments;
Fig. 5 is the block diagram of wound Comprehensive Treatment control system of the present invention;
Fig. 6 is the circuit diagram of wound surface pressure transducer, first pipe pressure sensor and second pipe pressure sensor;
Fig. 7 is sensor signal conditioning circuit figure;
Fig. 8 a and Fig. 8 b are the circuit diagrams of cpu chip;
Fig. 9 is the circuit diagram of second drive circuit;
Figure 10 is the circuit diagram of first drive circuit;
Figure 11 is the control circuit figure of the first drive circuit Chinese medicine valve;
Temperature detection and control circuit figure in Figure 12 first drive circuit;
Figure 13 is the circuit diagram of liquid level self-checking device;
Figure 14 is the circuit diagram of the control of display;
Figure 15 privileged sites medical elastic gel strip is used sketch map one;
Figure 16 privileged sites medical elastic gel strip is used sketch map two.
The specific embodiment
Referring to Fig. 1 and Fig. 2; Wound surface locking device of the present invention; Comprise and paste film 21, stickup disk 22, medical elastic gel strip 28 and plinth 24; Paste disk 22 and be provided with conduit 25, conduit 25 passes the central part of pasting disk 22 and communicates with the inner chamber of plinth 24, and conduit 25 is made into integration with plinth 24 continuous croppings with stickup disk 22.
Medical elastic gel strip 28 is positioned at the outer rim of pasting film 21, and stickup film 21 is provided with the through hole of placing plinth 24, pastes the outer rim that disk 22 lower surfaces are provided with glue-line 23 and seal through holes through glue-line 23.
The sidewall of plinth 24 inner chambers is laid with 8 union joints 26, and union joint 26 inner ends communicate with plinth 24 inner chambers, the outer end sealing, and the outer end is cut off in use, cuts off back socket porous suction catheter 30.
In wound surface locking device of the present invention, stickup film 21 is closed in wound surface through the medical elastic gel strip 28 at its edge with dressing 27.Dressing 27 is rubber-like medical foam or gauze.Dressing 27 is to be PVA or PU material.Medical elastic gel strip 28 is along the wound surface edge or essential exposure portion, and like perineal position, the periphery of facial area is pasted.Paste disk 22 lower surfaces and be provided with glue-line 23, paste film 21 through glue-line 23 sealings and when placing plinth, run through the through hole of pasting film 21.Union joint 26 connections place the porous suction catheter 30 between the two-layer dressing 27.Be laid with 2 row's permeability holes 29 on the wall of porous suction catheter 30.
Referring to Fig. 5, wound Comprehensive Treatment control system of the present invention comprises three wound surface locking devices 1, is set to the negative-pressure sealed joint of a malleation closed joint 101,102, a wound surface closed joint 103.In other embodiment of wound Comprehensive Treatment control system of the present invention, also can comprise a plurality of wound surface locking devices 1, as be set to the negative-pressure sealed joint of two malleation closed joints 101, two 102, two wound surface closed joints 103.
Several first pipeline sensor 4 and second pipeline sensor 8, first drive circuit 5, treatment pipeline control device 6, peristaltic pump 7 and second drive circuit 9, discharge line control device 11, negative pressure pump 10, positive displacement pump 13 and CPU and coupled keyboard 2 and display 12.Wherein, treatment pipeline control device 6 is used for inserting the required gas of various treatments, aerosol and liquid through pipeline; Discharge line control device 11 is used to connect the collection container of negative pressure pump 10 and positive displacement pump 13, discharges the various waste gas and the waste liquid of being drawn by negative-pressure sealed joint 102 and wound surface closed joint 103 through pipeline; Wound surface pick off 3 is connected with the wound surface of sealing through connection tube, is used to detect the state parameter in the wound closure; First pipeline sensor 4 is used for detecting treatment pipeline conditions parameter; Second pipeline sensor 8 is used to detect the discharge line state parameter; First pipeline sensor 4 and second pipeline sensor 8 include a plurality of pressure transducers respectively, and wound surface pick off 3 comprises a plurality of pressure transducers, temperature sensor, humidity sensor, concentration sensor and acidity-basicity sensor.Wherein, The connection tube of pressure transducer communicates with the conduit 25 of wound surface closed joint 103; Temperature sensor, humidity sensor, concentration sensor and acidity-basicity sensor place two-layer dressing 27 in the wound surface, connect lead and between wound surface and medical elastic gel strip 28, draw.The number of pressure transducer is confirmed by the concrete condition of Wound treating.Concentration sensor is provided with oxygen concentration sensor, ozone concentration sensor and ozone solution concentration sensor.
In wound Comprehensive Treatment control system of the present invention, the step that CPU carries out comprises:
1) program initialization shows the current time.
2) user is through keyboard 2 input patient name, sex, age, department, medical record number.
3) select the plan of establishment, the plan of establishment includes:
First plan of establishment: vacuum suction, negative pressure value 80mmHg, pull up time 5min injects oxygen then, pressure 50mmHg, service time 2min;
Second plan of establishment: vacuum suction, negative pressure value 100mmHg, pull up time 5min injects oxygen then, pressure 50mmHg, service time 2min, every interval 68min injects ozone, pressure 50mmHg, service time 2min;
The 3rd plan of establishment: vacuum suction, negative pressure value 120mmHg, pull up time 5min injects oxygen then; Pressure 50mmHg, service time 2min, every interval 8h injects disinfectant solution or treatment liquid, pressure 50mmHg; Service time 15min, vacuum suction simultaneously, negative pressure value 20mmHg; Inhale 1min, stop 2min, periodic duty;
The 4th plan of establishment: vacuum suction, negative pressure value 100mmHg, pull up time 5min injects aerosol then; Pressure 50mmHg, service time 3min, every interval 8h injects disinfectant solution or treatment liquid, 26 ℃ of temperature of liquid; Pressure 50mmHg, service time 15min, vacuum suction simultaneously, pressure 20mmHg; Inhale 1min, stop 2min, periodic duty.
4) user is revised above-mentioned setting value and system works total time of having decided the parameter and each item detected parameters of initialization system outside the plan of establishment of the plan of establishment as required through keyboard 2, and the setting value of each item detected parameters comprises at least:
A) negative pressure pump 10 pressure and circulating working time thereof;
B) peristaltic pump 7 pressure and circulating working time thereof;
C) treatment pipeline control device 6 each pressure and circulating working time, temperature and heater working time thereof, humidity and humidifier working time thereof;
D) treatment pipeline control device 6 oxygen concentrations and/or ozone concentration and/or ozone solution concentration and service time thereof.
5) treatment beginning; CPU2 detects the detected parameters of wound surface locking device 1 each point; At least comprise pressure, temperature, humidity, oxygen concentration and/or ozone concentration and/or ozone solution concentration and PH; Each detection signal to returning compares respectively with corresponding setting value, and output instruction signal to the first drive circuit 5 with control peristaltic pump 7 start and stop, output instruction signal to the second drive circuit 9 with control negative pressure pump 10 start and stop.
6) pass through setting value and real-time detected value and the working time thereof that display 12 shows treatment projects, system time, detected parameters, and the duty of treatment pipeline control device 6, discharge line control device 11, peristaltic pump 7 and negative pressure pump 10.
7) systemic circulation work total time arrives, and total course of therapy finishes, and returns original state.
The circuit that specifies wound Comprehensive Treatment control system of the present invention is below formed.
Referring to Fig. 6; In the circuit of wound surface pressure transducer 3, first pipe pressure sensor 4 and second pipe pressure sensor 8; Wound surface pressure transducer 3, first pipe pressure sensor 4 and second pipe pressure sensor 8 are bridge type magnetic sensor; Be bridge type magnetic sensor, adopt the constant pressure source power supply, supply 5 volts of bridge voltages.Wherein, 1,3 feet are that voltage inserts, 2 feet be output voltage just, 4 feet are that output voltage is negative, are difference mode signal between 2,4 feet, they all have common-mode voltage over the ground, signal s1, s2, s3 is input to signal conditioning circuit and handles.
Referring to Fig. 7; Sensor signal conditioning circuit is applicable to wound surface pressure transducer 3, first pipe pressure sensor 4 and second pipe pressure sensor 8; Signal conditioning circuit adopts chip LM324 to constitute three amplifier amplifying circuits; Wherein, the emitter follower amplifier be input as the temperature-compensating end, outfan is as biasing.
Referring to Fig. 8-a and Fig. 8-b; CPU adopts U2 chip HT46R54A to constitute; Constitute by two identical circuit; Be used for and wound surface pressure transducer 3, first pipe pressure sensor 4 and second pipe pressure sensor 8, and first drive circuit 5, treatment pipeline control device 6, peristaltic pump 7 and second drive circuit 9, discharge line control device 11, negative pressure pump 10 are common accomplishes acquired signal input and control signal output.
Referring to Fig. 8-a, Cpu1 is the negative pressure control single chip computer, and being used to control negative pressure pump 10 provides stable negative pressure.8 feet of cpu1 are used to gather the switching signal of second pipe pressure sensor 8, and it is shared that the COM_9 foot is used to gather the switching signal and the following wriggling control single chip computer of wound surface pressure transducer 3.High-low level alternately appears in its 10 foot and 14 feet, is used to drive negative pressure pump 10, if its 10 foot and 14 feet are high level simultaneously, 10 of negative pressure pumps are out of service, forms feedback system.
Referring to Fig. 8-b,, be used to control peristaltic pump 7 for the wriggling control single chip computer.8 feet of Cpu2 are used to gather the switching signal of first pipe pressure sensor 4, and it is shared that the COM_9 foot is used to gather the switching signal and the above-mentioned negative pressure control single chip computer of wound surface pressure transducer 3.Its OSC foot is used to drive peristaltic pump 7, forms feedback system.
In cpu circuit, the pt1000+ foot is used for the collecting temperature sensor signal, and the output of control_scr foot is used for controlling controllable silicon heats heat packs, forms the Temperature Feedback control system.SWH1, SWH2, each foot switch signal of SWH3 are used for controlling the start and stop of the electromagnetic valve that is used to select medicine.
Referring to Fig. 9, the task of second drive circuit 9 is 10 feet and the 14 foot control system signals that receive CPU1, makes negative pressure pump 10 that stable negative pressure output is provided.
Referring to Figure 10; In first drive circuit; OSC is the pulse signal that CPU1 provides; Behind U3 chip CD4017 frequency division, offer transistor drive circuit as the switch of connecting power supply for step-by-step motor, and provide bigger drive current to output to 4 winding X1, X2, Y1, the Y2 of circulation drive stepping motor.
Referring to Figure 11, in first drive circuit 5, the control circuit of medicine valve receives the control_scr foot output of CPU, is used for SWH1, SWH2, each foot switch signal of SWH3 to be used for controlling the start and stop of the electromagnetic valve that is used to select medicine.Three medicament selection valves are to be used for selecting different drug, have the difference of gaseous state and liquid state.The common port of electromagnetic valve is received 12 volts of direct currents, is example with SW1, and one of SW1 terminates to the signal end by CPU control.
Referring to Figure 12, there be one level to cut apart dotted line among this figure, line top is divided into measure portion, is control section below, and measure portion adopts temperature sensor PT1000, and control section adopts controllable silicon SCR resistive heater L.Temperature detection and control circuit receive the control_scr foot output of CPU, are used for controlling through the control of controllable silicon SCR being carried out the angle of flow energising and the outage of resistive heater L.
The control circuit and the temperature-control circuit of the humidity control circuit of CPU and oxygen concentration and/or ozone concentration and/or ozone solution concentration are similar, so do not do detailed description.
Referring to Figure 13, this is a liquid level self-checking device, does not need the cooperation of CPU; Transmit liquid level signal by float; Receive signal with photoswitch, with this signal triggering actuating of relay, relay output control signal MP keeps the constant of medicinal liquid liquid level for positive displacement pump 13.
Referring to Figure 14, the control circuit of display links to each other with liquid crystal display screen through terminal J2, links to each other with CPU through J3.Above circuit adopts conventional art, does not do detailed description.
Explanation wound surface locking device of the present invention and adopt the use of the wound Comprehensive Treatment control system of this wound surface locking device below.
Referring to Fig. 1 and Fig. 2, when wound surface is placed double-deck dressing 27, be according to the wound surface size, the layout and the quantity of design wound surface locking device 1.One or more holes that upper strata dressing scissors in the double-deck dressing 27 are used for placing plinth 24 well, and the length of cutting porous suction catheter 30 are at 2 of the horizontal positioned radial arrangement or many porous suction catheters 30 between the double-deck dressing 27 above the hole.
At first, aim at cementing of wound surface sealing position on every side, will paste film 21 again and be enclosed on the wound surface elastic gel bar 28 on every side with elastic gel bar 28.
Then, place plinth 24.On stickup film 21, wipe out earlier and the identical through holes of plinth 24 sizes, union joint 26 outer ends are sealed, and wipe out the blind end of union joint 26; After 30 sockets of porous suction catheter; Put into the plinth position that upper strata dressing shears, paste disk 22 and be placed on outside the through hole, extract the protective paper of pasting disk 22 lower surface glue-lines 23 with conduit 25; The light pressure pasted disk 22, and glue-line 23 and the upper surface of pasting film 21 are sticked together.
At last, in conjunction with Fig. 5, the conduit of drawing 25 is linked to each other through being connected pipeline with the treatment pipeline control device 6 of wound Comprehensive Treatment control system.
Referring to Figure 15, to the wound surface at the irregular position of injustice, like perineal position; In the sealing of privileged sites wound surface such as facial area, must use medical elastic gel strip 28 to paste sealing around the naked position, on wound surface, place double-deck dressing 27 then; With pasting film 21 wound closures; Wipe out the stickup film 21 of essential exposure portion, referring to Figure 16.The medical elastic gel strip is to the existing protection therapeutical effect of wound surface; Adhesiveness and elasticity are arranged again; Also have extraordinary plasticity, good adhesion is all arranged, therefore can well seal these privileged sites with human body skin and gluing pad pasting 21; Can also prevent effectively that body cavity secretions from polluting wound surface, and guarantee malleation and negative pressure in the wound closure.
Referring to Fig. 3 and Fig. 4, the wound surface locking device of placing at one or more positions between the double-deck dressing 27 both can use in the control of treatment pipeline, also can in discharge line control, use, and also can be connected use with pick off.Above said being in treatment pipeline control use.When in discharge line control, using, in conjunction with Fig. 5, conduit 25 links to each other with discharge line control device 11.
Wound surface locking device of the present invention has guaranteed effective distribution of wound surface gas, liquid and effectively circulation; Can prevent effectively that body cavity secretions from polluting wound surface; Make the wound surface of privileged sites also can effectively accept the treatment of malleation and negative pressure, and simple to operate, and sealing effect is good.
The present invention adopts the wound Comprehensive Treatment control system of above-mentioned wound surface locking device, through negative pressure pump 10 and the peristaltic pump 7 double dynamical wound surface that act on sealing, can make airtight wound surface effectively accept negative pressure and the multiple therapeutic scheme of malleation.
Wound surface pick off 3, first pipeline sensor 4 and second pipeline sensor 8 adopt a plurality of high sensors, can the detection of dynamic pipeline and the state of Wound dressing multi-section position, and output information is to CPU, the time of day of the dynamic accuracy controlling wound surface of CPU.
CPU, keyboard 2, display 12, second drive circuit 9, discharge line control device 11, negative pressure pump 10 can constitute traditional negative pressure system; CPU compares the detection signal and the setting value of high sensor; Send instruction to the second drive circuit 9, discharge line control device 11, negative pressure pump 10 in real time; Refuse after the various treatments of wound surface is excreted according to specified pressure, time and speed automatically, wound surface is accomplished negative pressure treatment.Wherein, discharge line control device 11 is cut off and the shut-in time according to what set, accomplishes the action of cutting off or closing with the instruction of CPU.In discharge line control device 11, the liquid level self-checking device is provided with positive displacement pump 13, and positive displacement pump 13 communicates with the collection container of waste liquid through pipeline.The liquid level self-checking device guarantees the system's in time automatic discharge wound surface of various waste liquids closed system in treatment, and does not need the special messenger to supervise.
CPU2, keyboard 2, display 12, first drive circuit 5, treatment pipeline control device 6, peristaltic pump 7 can also constitute positive pressure system; CPU compares high sensor detection signal and setting value; Send instruction to the first drive circuit 5, treatment pipeline control device 6, peristaltic pump 7 in real time; With various treatment gases; Aerosol, treatment are input to the wound surface of sealing with liquid according to specified pressure, fixed time, through peristaltic pump high pressure are reduced to treatment and are input to wound surface with pressure, as being input to wound surface after the high pressure oxygen blood pressure lowering with the HC oxygen system.In the positive pressure therapy of wound surface; Select various therapeutic scheme; The medical worker need not open under the situation that wound surface changes dressings, and just can implement effectively treatment to wound surface, change traditional Wound treating method fully; And make the Therapeutic Method that is difficult in the past wound surface is implemented also become easily, as wound surface being carried out treatments such as oxygen therapy, ozone sterilization, circulation flushing sterilization, nutritional solution circumfusion, vacuum suction.Wherein, treatment pipeline control device 6 is cut off and the shut-in time according to setting, accomplishes the action of cutting off or closing with the instruction of CPU.
Referring to Figure 12, in wound Comprehensive Treatment control system of the present invention, CPU has temperature controlled processes.Under the working time of temperature and heater setting thereof, CPU compares the detection signal and the setting value of temperature sensor, sends in real time and instructs to the work of drive circuit control heater.When variations in temperature is experienced in temperature sensor; Temperature is become the signal of telecommunication to return to CPU; After CPU compares with setting value the signal of telecommunication that returns again; Send new instruction through drive circuit control heater work once more, when liquid was input to wound surface, the wound surface temperature sensor was instructed correction with the variations in temperature passback CPU of wound surface.
Referring to Figure 13, in wound Comprehensive Treatment control system of the present invention, the liquid level self-checking device transmits liquid level signal by float, after photoswitch receives signal, keeps the constant of medicinal liquid liquid level through relay output control signal control positive displacement pump 13.
Referring to Figure 14, the control circuit of display links to each other with liquid crystal display screen through terminal J2, links to each other with CPU through J3.Above circuit adopts conventional art, does not do detailed description.
In wound Comprehensive Treatment control system of the present invention, CPU has the humidity control procedure.Under the working time of humidity and humidifier setting thereof, CPU compares the detection signal and the setting value of humidity sensor, sends in real time and instructs to the work of drive circuit control humidifier.
In wound Comprehensive Treatment control system of the present invention, CPU has oxygen concentration and/or ozone concentration and/or ozone solution concentration control procedure.Under the working time of oxygen concentration and/or ozone concentration and/or ozone solution concentration and setting service time; CPU compares the detection signal and the setting value of oxygen concentration sensor, ozone concentration sensor and ozone solution concentration sensor respectively; Send instruction in real time to the oxygen generation system or the ozonator work of treating in the pipeline control device; Oxygen concentration sensor, ozone concentration sensor and ozone solution concentration sensor are experienced concentration change; Concentration is become the signal of telecommunication to return to CPU; After CPU compares with setting value the signal of telecommunication that returns again, send new instruction and control oxygen generation system or ozonator work once more through first drive circuit, treatment pipeline control device.Wherein, treatment pipeline control device 6 is cut off and the shut-in time according to setting, accomplishes the action of cutting off or closing with the instruction of CPU.
The humidity control procedure of CPU and oxygen concentration and/or ozone concentration and/or ozone solution concentration control procedure and temperature controlled processes are similar, so do not do detailed description.
Below, the wound comprehensive treatment that adopts above-mentioned wound Comprehensive Treatment control system is described.This method comprises:
1) at wound surface at least 3 wound surface locking devices 1 that comprise malleation closed joint 101, negative-pressure sealed joint 102 and wound surface closed joint 103 is installed;
2) control system that adopts some second pipeline sensor 8 on the discharge line be installed in negative-pressure sealed joint 102, second drive circuit 9, negative pressure pump 10, discharge line control device 11 and C P U to form is carried out the negative pressure treatment control of combustion gas, waste liquid;
3) control system that adopts some first pipeline sensor 4 on the access pipeline be installed in malleation closed joint 101, first drive circuit 5, peristaltic pump 7 and treatment pipeline control device 6 and C P U to form is imported the positive pressure therapy control of gas, aerosol, liquid;
4) user setting value and the system works total time selecting the plan of establishment or revise the parameter and each item detected parameters of initialization system outside the plan of establishment of the plan of establishment as required; Alternative plan of establishment has:
First plan of establishment: vacuum suction, negative pressure value 80mmHg, pull up time 5min injects oxygen then, pressure 50mmHg, service time 2min;
Second plan of establishment: vacuum suction, negative pressure value 100mmHg, pull up time 5min injects oxygen then, pressure 50mmHg, service time 2min, every interval 68min injects ozone, pressure 50mmHg, service time 2min;
The 3rd plan of establishment: vacuum suction, negative pressure value 120mmHg, pull up time 5min injects oxygen then; Pressure 50mmHg, service time 2min, every interval 8h injects disinfectant solution or treatment liquid, pressure 50mmHg; Service time 15min, vacuum suction simultaneously, negative pressure value 20mmHg; Inhale 1min, stop 2min, periodic duty;
The 4th plan of establishment: vacuum suction, negative pressure value 100mmHg, pull up time 5min injects aerosol then; Pressure 50mmHg, service time 3min, every interval 8h injects disinfectant solution or treatment liquid, 26 ℃ of temperature of liquid; Pressure 50mmHg, service time 15min, vacuum suction simultaneously, pressure 20mmHg; Inhale 1min, stop 2min, periodic duty.
5) adopt CPU to detect the detected parameters of said wound surface locking device 1 each point; Each detection signal to returning compares respectively with corresponding setting value; And output instruction signal to the first drive circuit 5 with control peristaltic pump 7 start and stop, output instruction signal to the second drive circuit 9 with control negative pressure pump 10 start and stop;
6) adopt the supravasal wound surface pick off 3 be installed in wound surface closed joint 103, be installed in the automatic control that collection container, positive displacement pump 13 and liquid level self-checking device on wound surface closed joint 103 discharge lines carries out effluent discharge;
7) pass through setting value and real-time detected value and the working time thereof that display 12 shows treatment projects, system time, detected parameters, and the duty of treatment pipeline control device 6, discharge line control device 11, peristaltic pump 7, negative pressure pump 10 and positive displacement pump 13;
8) original state is returned in systemic circulation operation when treatment finishes.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (7)
1. wound Comprehensive Treatment control system; Comprise wound surface locking device (1), CPU and coupled keyboard (2) and display (12), some second pipeline sensor (8), second drive circuit (9), negative pressure pump (10) and discharge line control device (11); Said wound surface locking device comprises pastes film (21), stickup disk (22), medical elastic gel strip (28) and plinth (24); Said stickup disk (22) is provided with conduit (25), and the central part that said conduit (25) passes said stickup disk (22) communicates with the inner chamber of said plinth (24); Said medical elastic gel strip (28) is positioned at the outer rim of said stickup film (21), and said stickup film (21) is provided with through hole, and said stickup disk (22) lower surface is provided with glue-line (23) also seals said through hole through said glue-line (23) outer rim; The sidewall of said plinth (24) inner chamber is laid with several union joints (26); Said union joint (26) inner end communicates with said plinth (24) inner chamber; The sealing of said union joint (26) outer end is also cut off in use; Be socketed with porous suction catheter (30) after cutting off, said porous suction catheter (30) places between the double-deck dressing (27) on the wound surface (20); Said second pipeline sensor (8) links to each other with said CPU with second drive circuit (9); Said second drive circuit (9) links to each other with said negative pressure pump (10) and discharge line control device (11) are electric respectively, and it is characterized in that: said wound surface locking device (1) also comprises at least 1 malleation closed joint (101), at least 1 negative-pressure sealed joint (102) and at least 1 wound surface closed joint (103); Also comprise some wound surface pick offs (3), some first pipeline sensor (4), first drive circuit (5), peristaltic pump (7) and treatment pipeline control device (6); Said wound surface pick off (3) is installed in the inner chamber of wound surface; Said first pipeline sensor (4), treatment pipeline control device (6) and peristaltic pump (7) are installed on the access pipeline of malleation closed joint (101); Said second pipeline sensor (8), discharge line control device (11) and negative pressure pump (10) are installed on the discharge line of negative-pressure sealed joint (102), wherein:
Said treatment pipeline control device (6) is used for inserting the required gas of various treatments, aerosol and liquid through pipeline;
Said discharge line control device (11) is used for discharging various waste gas and the waste liquid that negative-pressure sealed joint (102) and wound surface closed joint (103) are drawn through pipeline;
Said wound surface pick off (3) is used to detect the state parameter in the wound closure;
Said first pipeline sensor (4) is used for detecting treatment pipeline conditions parameter;
Said second pipeline sensor (8) is used to detect the discharge line state parameter;
Said first drive circuit (5) is used for exporting the instruction of said CPU to said peristaltic pump (7) and treatment pipeline control device (6); Said second drive circuit (9) is used for exporting the instruction of said CPU to said negative pressure pump (10) and discharge line control device (11);
Said wound surface pick off (3), first pipeline sensor (4) and first drive circuit (5) link to each other respectively with said CPU, and said first drive circuit (5) links to each other respectively with treatment pipeline control device (6) with said peristaltic pump (7), and the step that said CPU carries out comprises:
1) program initialization shows the current time;
2) user is through said keyboard (2) input patient name, sex, age, department, medical record number;
3) select the plan of establishment;
4) user is revised above-mentioned setting value and system works total time of having decided the parameter and each item detected parameters of initialization system outside the plan of establishment of the plan of establishment as required through said keyboard (2);
5) treatment beginning; Said CPU detects the detected parameters of said wound surface locking device (1) each point; Each detection signal to returning compares respectively with corresponding setting value; And output instruction signal to said first drive circuit (5) to be controlling the start and stop of said peristaltic pump (7), and output instruction signal to said second drive circuit (9) is to control the start and stop of said negative pressure pump (10);
6) show the setting value of treatment project, system time, detected parameters and detected value and working time thereof in real time through said display (12), and the duty of said treatment pipeline control device (6), discharge line control device (11), peristaltic pump (7) and negative pressure pump (10);
7) system works total time arrives, and treatment finishes, and returns original state.
2. wound Comprehensive Treatment control system according to claim 1 is characterized in that: wherein said union joint (26) is 4-8, is laid with 2-4 row permeability hole (29) on the wall of said porous suction catheter (30).
3. wound Comprehensive Treatment control system according to claim 1 and 2; It is characterized in that: wherein said stickup disk (22), union joint (26) and plinth (24) adopt medical PE or PVC material to process; Said stickup film (21) adopts medical PU material to process, and said dressing (27) is rubber-like medical foam or gauze or PVA or PU material.
4. wound Comprehensive Treatment control system according to claim 3; It is characterized in that: wherein said first pipeline sensor (4) and second pipeline sensor (8) include a plurality of pressure transducers respectively; Said wound surface pick off (3) comprises a plurality of pressure transducers, temperature sensor, humidity sensor, concentration sensor and acidity-basicity sensor; Wherein, The connection tube of each pressure transducer in the said wound surface pick off (3) communicates with the conduit of wound surface closed joint (103); Temperature sensor, humidity sensor, concentration sensor and acidity-basicity sensor place the dressing (27) in the wound surface, connect lead and between wound surface and medical elastic gel strip (28), draw.
5. wound Comprehensive Treatment control system according to claim 4 is characterized in that: in the wherein said step 4), the setting value of system's each item detected parameters comprises at least:
A) said negative pressure pump (10) pressure and circulating working time thereof;
B) said peristaltic pump (7) pressure and circulating working time thereof;
C) heater and humidifier working time separately in each pressure of said treatment pipeline control device (6) and circulating working time thereof, temperature, humidity, the said treatment pipeline control device (6);
D) said treatment pipeline control device (6) oxygen concentration and/or ozone concentration and/or ozone solution concentration and service time thereof.
6. wound Comprehensive Treatment control system according to claim 5; It is characterized in that: wherein said discharge line control device (11) is provided with the liquid level self-checking device; The liquid level self-checking device is provided with positive displacement pump (13), and said positive displacement pump (13) is installed on the discharge line of negative-pressure sealed joint (102) and through pipeline and communicates with the collection container of waste liquid.
7. wound Comprehensive Treatment control system according to claim 6; It is characterized in that: in the wherein said step 5), said wound surface locking device (1) each point detected parameters comprises pressure, temperature, humidity, oxygen concentration, ozone concentration, ozone solution concentration and PH at least.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910211424A CN102049069B (en) | 2009-11-10 | 2009-11-10 | Wound surface closing device, and wound comprehensive treatment control system |
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| CN200910211424A CN102049069B (en) | 2009-11-10 | 2009-11-10 | Wound surface closing device, and wound comprehensive treatment control system |
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| CN102049069B true CN102049069B (en) | 2012-10-03 |
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| GB2490745B (en) * | 2011-05-13 | 2013-12-11 | Bioquell Uk Ltd | Improvements in apparatus for disinfecting a surface |
| CN102614575B (en) * | 2012-04-28 | 2013-06-12 | 山东赛克赛斯药业科技有限公司 | Composite flexible drainage device |
| CN103494711B (en) * | 2013-10-19 | 2015-05-20 | 刘黎明 | Negative-pressure ozone bedsore therapeutic instrument |
| CA2972701A1 (en) | 2014-12-30 | 2016-07-07 | Smith & Nephew, Inc. | Systems and methods for applying reduced pressure therapy |
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| US10758673B2 (en) * | 2016-03-11 | 2020-09-01 | Elwha Llc | Systems for dispensing a medicament to a subject and related methods |
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| US11944772B2 (en) | 2019-05-14 | 2024-04-02 | Solventum Intellectual Properties Company | Wound therapy system with humidifier |
| CN112245677A (en) * | 2020-11-05 | 2021-01-22 | 武汉维斯第医用科技股份有限公司 | Negative pressure drainage equipment capable of realizing wound surface temperature control |
| CN112370579A (en) * | 2020-11-05 | 2021-02-19 | 浙江大学 | Integrated system for wound treatment |
| CN112245675A (en) * | 2020-11-05 | 2021-01-22 | 武汉维斯第医用科技股份有限公司 | Can realize surface of a wound and wash flow control's negative pressure drainage equipment |
| CN112245674A (en) * | 2020-11-05 | 2021-01-22 | 武汉维斯第医用科技股份有限公司 | Negative pressure drainage equipment capable of controlling humidity of wound surface |
| CN112245676A (en) * | 2020-11-05 | 2021-01-22 | 武汉维斯第医用科技股份有限公司 | Negative pressure drainage equipment capable of controlling oxygen concentration of wound surface |
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