CN104174111A - Negative pressure wound treatment device and control method thereof - Google Patents
Negative pressure wound treatment device and control method thereof Download PDFInfo
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- CN104174111A CN104174111A CN201410462073.2A CN201410462073A CN104174111A CN 104174111 A CN104174111 A CN 104174111A CN 201410462073 A CN201410462073 A CN 201410462073A CN 104174111 A CN104174111 A CN 104174111A
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- medicinal liquid
- negative pressure
- malleation
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Abstract
The invention discloses a negative pressure wound treatment device. The negative pressure wound treatment device comprises a liquid collecting connector, a negative pressure output unit, a liquid medicine connector and a medicine adding control device, wherein the liquid collecting connector is used for connecting a liquid connecting device in a matched mode, the negative pressure output unit is connected with the liquid collecting connector through an air channel and used for treating the wound through negative pressure, the liquid medicine connector is used for connecting a liquid medicine storage device in a matched mode, and the medicine adding control device is connected with the liquid medicine connector through an air channel and used for controlling the pressure of the liquid medicine connector so as to control the dosage of medicine fed on the wound by a liquid medicine storage device. The medicine adding control device of the wound treatment device controls the dosage of medicine fed on the wound by the liquid medicine storage device by controlling the pressure of the liquid medicine connector, and then the purpose of accurately carrying out washing, inflammation diminishing, disinfecting and the like on the wound is achieved. In addition, an extra hanging rack needed in a traditional hanging infusion method is not needed in the negative pressure wound treatment device, the wound treatment device can be used and carried conveniently, and the use cost and the size of the wound treatment device can be reduced. The invention further discloses a control method of the negative pressure wound treatment device.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of for promoting wound healing and preventing that wound from the Wound treatment apparatus and the control method thereof that infect occurring.
Background technology
Negative pressure wound therapy (NPWT) technology is the advanced trauma care technology that development in recent years is got up, and it mainly promotes wound face healing by lower negative pressure (general-55mmHg is to 175mmHg).When vacuum suction acts on cell membrane, and make cell membrane produce expansion, when distortion, cell can conduct " damage of cell membrane " signal immediately to nucleus, thereby make nucleus secrete a large amount of front healing somatomedin, comprise the vascular proliferation factor, stimulate the tissue of wound face to produce more new vessels, and the healing of acceleration of wound face.
For above-mentioned negative pressure wound therapy technology, various countries have developed corresponding large-scale negative pressure wound therapy device and Portable negative-pressure Wound treatment apparatus successively.In order to prevent that wound from infecting, negative pressure wound therapy device before use, need to carry out irrigation and disinfection to patient's wound.In prior art, for the transfusion bag of patient's wound being carried out use when the medicinal liquid of irrigation and disinfection is placed on similar transfusion conventionally, and this transfusion bag is hung upside down to hanger, and rely on the gravity mode of transfusion bag inner liquid medicine that above-mentioned medicinal liquid is delivered to patient wound.Because prior art is to rely on the mode of medicinal liquid self gravitation that medicinal liquid is delivered to patient wound, so the amount of liquid medicine that cannot carry it is controlled accurately.Meanwhile, adopt this underslung infusion model to need extra hanger, use and carry equal inconvenience.
Summary of the invention
Based on this, be necessary for the problems referred to above, a kind of Wound treatment apparatus of handled easily is provided.
A kind of negative pressure wound therapy device, comprises the liquid collecting interface for connecting liquid collector, is connected and produces for the wound patient the negative pressure output unit of negative pressure with described liquid collecting interface gas circuit; Described negative pressure wound therapy device also comprises:
Medicinal liquid interface, for connecting medicinal liquid storage device, described medicinal liquid storage device contains the medicinal liquid that is used for the treatment of patient's wound; And,
Medicine adding controller, is connected with described medicinal liquid interface gas circuit and for controlling the pressure of described medicinal liquid interface, to control the dosage of described medicinal liquid storage device to wound.
In an embodiment, described medicine adding controller comprises therein:
Malleation output unit, is connected with described medicinal liquid interface gas circuit and for described medicinal liquid interface is applied to normal pressure; And,
Control unit, is connected the size that also can apply according to malleation output unit described in default dosing method control normal pressure to described medicinal liquid interface, to control the dosage of described medicinal liquid storage device to wound with described malleation output unit.
In an embodiment, described malleation output unit and described negative pressure output unit are the same pump with malleation output mode and negative pressure output mode therein.
In an embodiment, described malleation output unit is the positive pressure pump with malleation output mode therein.
In an embodiment, described malleation output unit comprises therein:
Malleation caisson, is connected with described medicinal liquid interface gas circuit and for storing gas; And,
Positive pressure pump, is connected with described malleation caisson gas circuit and has a malleation output mode.
In an embodiment, described medicine adding controller comprises therein:
Detecting unit, is connected with described malleation caisson and for detection of the pressure in described malleation caisson and feed back to described control unit;
Described control unit also for inputting malleation according to positive pressure pump described in the pressure control in described malleation caisson in described malleation caisson.
In an embodiment, described medicine adding controller also comprises therein:
Setting unit, is connected with described control unit and for described dosing method is set, described dosing method comprises at least one in dosing duration, dosing flow velocity, dosing total amount and dosing interval.
In an embodiment, between described positive pressure pump and described malleation caisson, be provided with check valve therein.
In an embodiment, between described malleation output unit and described medicinal liquid interface, be provided with electromagnetic valve therein, between described electromagnetic valve and described control unit, be connected.
A control method for negative pressure wound therapy device, described negative pressure wound therapy device is the negative pressure wound therapy device described in above-mentioned any one, the control method of described negative pressure wound therapy device comprises:
Control the pressure of described medicinal liquid interface, so that the described medicinal liquid storage device connecting with described medicinal liquid interface can provide according to described pressure the medicinal liquid of corresponding dose to wound.
Therein in an embodiment, describedly apply controlled pressure to described medicinal liquid interface and be specially:
Obtain the dosing method setting in advance;
According to malleation output unit described in described dosing method control, described medicinal liquid interface is applied the size of normal pressure, to control the dosage of described medicinal liquid storage device to wound.
Above-mentioned Wound treatment apparatus has medicine adding controller, and medicine adding controller is by controlling the pressure of medicinal liquid interface, and then controls the dosage of medicinal liquid storage device to wound, thus reach to wound rinse accurately, the object of the treatment such as antiinflammatory, sterilization.In addition, this mode is without adopting the traditional required extra hanger of suspension type infusion model, thereby makes the easy to use and carry of Wound treatment apparatus, and can reduce use cost and the volume thereof of Wound treatment apparatus.
Brief description of the drawings
Fig. 1 is the frame for movement schematic diagram of Wound treatment apparatus;
Fig. 2 is the functions of modules schematic diagram of Wound treatment apparatus.
Wherein, concrete element reference numeral is listed as follows:
100, negative pressure wound therapy device 110, liquid collecting interface
120, negative pressure output unit 130, medicinal liquid interface
140, medicine adding controller 141, malleation output unit
1411, malleation caisson 1412, positive pressure pump
142, control unit 143, detecting unit
144, setting unit 150, electromagnetic valve
160, check valve 200, liquid collector
300, medicinal liquid storage device 400, dressing component
500, connection tube
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details are set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to intension of the present invention in the situation that, and therefore the present invention is not subject to the restriction of following public specific embodiment.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein "and/or" comprise one or more relevant Listed Items arbitrarily with all combinations.
Please refer to the drawing 1, present embodiment has disclosed a kind of Wound treatment apparatus 100, and this Wound treatment apparatus 100 comprises liquid collecting interface 110, negative pressure output unit 120, medicinal liquid interface 130 and medicine adding controller 140.Wherein, liquid collecting interface 110 with connect for the liquid collector 200 of depositing patient's wound fluid, negative pressure output unit 120 is connected with above-mentioned liquid collecting interface 110 gas circuits and for the wound generation negative pressure patient.Medicinal liquid interface 130 connects with storing the medicinal liquid storage device 300 that is used for the treatment of patient's wound medicinal liquid, and medicine adding controller 140 is connected with above-mentioned medicinal liquid interface 130 gas circuits.Medicine adding controller 140 passes through to control the pressure of medicinal liquid interface 130, thereby can control the dosage of medicinal liquid storage device 300 to wound.In present embodiment, liquid collector 200 and medicinal liquid storage device 300 other end gas circuits are connected with same dressing component 400, and dressing component 400 is sealed in patient wound.It is to be noted, in other embodiments, liquid collector and the medicinal liquid storage device other end can also be connected with respectively dressing component, on different dressing components, are connected with different device, can reach respectively the object of drawing patient's wound fluid and patient's wound being carried out to Arthrocentesis.
Medicine adding controller 140 comprises malleation output unit 141 and control unit 142.Wherein, malleation output unit 141 is connected with medicinal liquid interface 130 gas circuits, and for medicinal liquid interface 130 is applied to normal pressure.Control unit 142 is connected with malleation output unit 141, and can apply according to default dosing method control malleation output unit 141 size of normal pressure to medicinal liquid interface 130, to control the dosage of medicinal liquid storage device 300 to wound.It is pointed out that between control unit 142 and malleation output unit 141 and be electrically connected, above-mentioned electric connection mode can be at least one in wired connection mode and wireless connections mode.In addition, between malleation output unit 141 and medicinal liquid interface 130, be provided with electromagnetic valve 150, wired and/or wireless connections between control unit 142 and electromagnetic valve 150, thus make control unit 142 can control the break-make of electromagnetic valve 150.
Malleation output unit 141 is for having the positive pressure pump of malleation output mode, and negative pressure output unit 120 is for having the negative pressure pump of negative pressure output mode.In other embodiments, malleation output unit and negative pressure output unit are the same pump with malleation output mode and negative pressure output mode.
Wound treatment apparatus 100 is in therapeutic process, first fill wound dressing in patient wound, again connection tube 500 is inserted in dressing component 400, negative pressure output unit 120 produces negative pressure and imposes on patient's wound, thereby can draw the transudate of patient's wound, reach the blood circulation that promotes wound circumference, and the object of accelerating wound healing.Now, between liquid collecting interface 110 and dressing component 400, be also connected with the liquid collector 200 for the transudate of patient wound is collected.
In addition, above-mentioned Wound treatment apparatus 100 also has malleation output unit 141, malleation output unit 141 produces normal pressure, and the treatment medicinal liquid in medicinal liquid storage device 300 is delivered to patient wound by dressing component 400, thereby reaches the object to treatments such as wound irrigation, antiinflammatory, sterilizations.In addition, control unit 142 can apply the size of normal pressure according to default dosing method control malleation output unit 141 to medicinal liquid interface 130, thereby controls accurately the dosage of medicinal liquid storage device 300 to wound.This mode is compared with traditional suspension type infusion model, without adopting extra hanger, thereby make using and carrying conveniently of Wound treatment apparatus 100, in addition, above-mentioned Wound treatment apparatus 100 can also reduce use cost and the volume of traditional Wound treatment apparatus.Further, the Wound treatment apparatus 100 in present embodiment can will be integrated on an equipment two of Wound healing and bone regeneration kinds of functions simultaneously, thereby makes the function of this equipment more powerful.
Please refer to the drawing 2, malleation output unit 141 comprises malleation caisson 1411 and positive pressure pump 1412.Wherein, malleation caisson 1411 is connected with medicinal liquid interface 130 gas circuits and for storing gas; Positive pressure pump 1412 is connected with malleation caisson 1411 gas circuits and has a malleation output mode.By positive pressure pump 1412, the gas in malleation caisson 1411 is exerted pressure, according to Boyle's law (, under quantitative constant temperature, the volume of ideal gas and the pressure of gas are inversely proportional to) thus can control accurately medicinal liquid storage device 300 adds the amount of liquid medicine in dressing component 400.In order to prevent that thereby the gas backstreaming in malleation caisson 1411 from reducing medicinal liquid control accuracy, is provided with check valve 160 between malleation caisson 1411 and positive pressure pump 1412.
In addition, medicine adding controller 300 also comprises the detecting unit 143 that also above-mentioned force value can be fed back to control unit 142 for detection of the pressure in malleation caisson 1411.Wired and/or the wireless connections with malleation caisson of above-mentioned detecting unit 143.In present embodiment, detecting unit 143 is pressure transducer, this pressure transducer can detect the force value of malleation caisson 1411 inside, thereby by the computing formula of Boyle's law, accurately calculates interior the flowed out amount of liquid medicine of medicinal liquid storage device 300.In addition, pressure transducer can also feed back to detected force value control unit 142 inside, thereby control unit 142 is compared itself and the chemical feeding quantity (being scaled required force value) setting in advance, and then make positive pressure pump 1412 to the interior output compensatory pressure of malleation caisson 1411 value, and interior the flowed out amount of liquid medicine of medicinal liquid storage device 300 is compensated.Above-mentioned detecting unit 143 can also play the effect of the amount of liquid medicine that makes medicinal liquid storage device 300 stable outputs.
Medicine adding controller 300 also comprises and/or wireless connections wired with control unit and for the setting unit 144 of dosing method is set, setting unit 144 can be at least one in mechanical key input equipment, virtual key input equipment, touch-screen input device and voice-input device.
In addition, present embodiment has also been introduced the control method of above-mentioned negative pressure wound therapy device 100, and it comprises the steps:
Step S110: the pressure of the control unit control medicinal liquid interface of medicine adding controller.This control method can realize by following steps:
Step S111: obtain the dosing method setting in advance.
Thereby the dosing method that control unit obtains setting in advance by the operational order that obtains user and input in setting unit, this dosing method comprises at least one in dosing duration, dosing flow velocity, dosing total amount and dosing interval.
Step S112: according to dosing method control malleation output unit, medicinal liquid interface is applied the size of normal pressure, to control the dosage of medicinal liquid storage device to wound.
Control unit passes through the obtained dosing method setting in advance, calculate the volume of institute's output liquid in conjunction with the specifications parameter of malleation caisson, according to Boyle's law and other some algorithms, calculate malleation output unit and medicinal liquid interface is applied to the size of normal pressure, and drive positive pressure pump to malleation caisson output corresponding pressure value.
The specification of malleation caisson can directly obtain by obtaining the parameter that user inputs in setting unit, can also obtain by the mode automatically reading, and wherein, the mode automatically reading can read automatically for mark, and radio frequency reads etc. automatically.
Step S120: the medicinal liquid storage device connecting with medicinal liquid interface can provide according to pressure the medicinal liquid of corresponding dose to wound.
Positive pressure pump is exported after corresponding force value to malleation caisson, the medicinal liquid interface being connected with medicinal liquid storage device gas circuit can input to patient wound by corresponding fluid flow in medicinal liquid storage device, thus reach to wound rinse accurately, the object of the treatment such as antiinflammatory, sterilization.
In the time that malleation caisson is circumscribed with detecting unit, detecting unit can feed back to control unit inside by detected force value, by above-mentioned force value, it compares with the dosing method (being scaled required force value) setting in advance control unit, and then make positive pressure pump to malleation caisson output compensatory pressure value, and the amount of liquid medicine flowing out in medicinal liquid storage device is compensated.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (11)
1. a negative pressure wound therapy device, comprises the liquid collecting interface for connecting liquid collector, is connected and produces for the wound patient the negative pressure output unit of negative pressure with described liquid collecting interface gas circuit; It is characterized in that, also comprise:
Medicinal liquid interface, for connecting medicinal liquid storage device, described medicinal liquid storage device contains the medicinal liquid that is used for the treatment of patient's wound; And,
Medicine adding controller, is connected with described medicinal liquid interface gas circuit and for controlling the pressure of described medicinal liquid interface, to control the dosage of described medicinal liquid storage device to wound.
2. negative pressure wound therapy device according to claim 1, is characterized in that, described medicine adding controller comprises:
Malleation output unit, is connected with described medicinal liquid interface gas circuit and for described medicinal liquid interface is applied to normal pressure; And,
Control unit, is connected the size that also can apply according to malleation output unit described in default dosing method control normal pressure to described medicinal liquid interface, to control the dosage of described medicinal liquid storage device to wound with described malleation output unit.
3. negative pressure wound therapy device according to claim 2, is characterized in that, described malleation output unit and described negative pressure output unit are the same pump with malleation output mode and negative pressure output mode.
4. negative pressure wound therapy device according to claim 2, is characterized in that, described malleation output unit is the positive pressure pump with malleation output mode.
5. negative pressure wound therapy device according to claim 2, is characterized in that, described malleation output unit comprises:
Malleation caisson, is connected with described medicinal liquid interface gas circuit and for storing gas; And,
Positive pressure pump, is connected with described malleation caisson gas circuit and has a malleation output mode.
6. negative pressure wound therapy device according to claim 5, is characterized in that, described medicine adding controller comprises:
Detecting unit, is connected with described malleation caisson and for detection of the pressure in described malleation caisson and feed back to described control unit;
Described control unit also for inputting malleation according to positive pressure pump described in the pressure control in described malleation caisson in described malleation caisson.
7. negative pressure wound therapy device according to claim 5, is characterized in that, described medicine adding controller also comprises:
Setting unit, is connected with described control unit and for described dosing method is set, described dosing method comprises at least one in dosing duration, dosing flow velocity, dosing total amount and dosing interval.
8. negative pressure wound therapy device according to claim 5, is characterized in that, between described positive pressure pump and described malleation caisson, is provided with check valve.
9. negative pressure wound therapy device according to claim 1, is characterized in that, between described malleation output unit and described medicinal liquid interface, is provided with electromagnetic valve, between described electromagnetic valve and described control unit, is connected.
10. a control method for negative pressure wound therapy device, described negative pressure wound therapy device is the negative pressure wound therapy device described in any one in claim 1-9, it is characterized in that, comprising:
Control the pressure of described medicinal liquid interface, so that the described medicinal liquid storage device connecting with described medicinal liquid interface can provide according to described pressure the medicinal liquid of corresponding dose to wound.
11. control methods of Wound treatment apparatus according to claim 10, is characterized in that, describedly apply controlled pressure to described medicinal liquid interface and are specially:
Obtain the dosing method setting in advance;
According to malleation output unit described in described dosing method control, described medicinal liquid interface is applied the size of normal pressure, to control the dosage of described medicinal liquid storage device to wound.
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| CN201410462073.2A CN104174111A (en) | 2014-09-11 | 2014-09-11 | Negative pressure wound treatment device and control method thereof |
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Cited By (5)
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| CN104771801A (en) * | 2015-01-26 | 2015-07-15 | 唐佩福 | Wound surface negative-pressure suction irrigating instrument |
| CN104815385A (en) * | 2015-04-23 | 2015-08-05 | 广州新诚生物科技有限公司 | Multi-functional negative pressure drainage system |
| CN106039543A (en) * | 2016-06-30 | 2016-10-26 | 昆山韦睿医疗科技有限公司 | Negative pressure therapy equipment and pressure regulating method thereof |
| CN107485746A (en) * | 2017-08-28 | 2017-12-19 | 重庆天如生物科技有限公司 | New perfusion suction system |
| CN110136343A (en) * | 2018-02-08 | 2019-08-16 | 内蒙古银安科技开发有限责任公司 | A kind of anti-additive medicament maintenance therapy device |
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Application publication date: 20141203 |
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| RJ01 | Rejection of invention patent application after publication |