CN113975485A - Self-adaptive wound irrigation system and method - Google Patents
Self-adaptive wound irrigation system and method Download PDFInfo
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- CN113975485A CN113975485A CN202111367798.XA CN202111367798A CN113975485A CN 113975485 A CN113975485 A CN 113975485A CN 202111367798 A CN202111367798 A CN 202111367798A CN 113975485 A CN113975485 A CN 113975485A
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- 230000002262 irrigation Effects 0.000 title claims abstract description 37
- 238000003973 irrigation Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 238000011010 flushing procedure Methods 0.000 claims abstract description 46
- 238000009825 accumulation Methods 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 238000002791 soaking Methods 0.000 claims description 30
- 238000005406 washing Methods 0.000 claims description 28
- 238000011282 treatment Methods 0.000 claims description 16
- 230000003044 adaptive effect Effects 0.000 claims description 8
- 230000035876 healing Effects 0.000 abstract description 2
- 206010052428 Wound Diseases 0.000 description 66
- 208000027418 Wounds and injury Diseases 0.000 description 66
- 241000521257 Hydrops Species 0.000 description 7
- 206010030113 Oedema Diseases 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001338 necrotic effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 231100000765 toxin Toxicity 0.000 description 2
- 108700012359 toxins Proteins 0.000 description 2
- 238000011277 treatment modality Methods 0.000 description 2
- 230000029663 wound healing Effects 0.000 description 2
- 206010031252 Osteomyelitis Diseases 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001851 biosynthetic effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035618 desquamation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
-
- 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
- A61M2205/3331—Pressure; Flow
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to a self-adaptive wound irrigation system and a self-adaptive wound irrigation method, wherein the system comprises a control circuit, the output end of the control circuit is respectively connected with and drives a negative pressure pump and an irrigation pump, the negative pressure output end of the negative pressure pump is communicated with a liquid accumulation tank for providing negative pressure for the liquid accumulation tank, the liquid accumulation tank is communicated to a wound dressing position through an absorption pipeline and used for absorbing flushing liquid under negative pressure, a negative pressure switch is arranged on an absorption pipeline between the liquid accumulation tank and the wound dressing position, the control end of the negative pressure switch is connected to the output end of the control circuit and used for controlling the opening or closing of the absorption pipeline, the input end of the irrigation pump is communicated with a flushing liquid source and used for obtaining the flushing liquid, and the output end of the irrigation pump is communicated to the wound dressing position and used for providing the flushing liquid for the wound dressing position. The invention can automatically control the flushing liquid amount according to the sizes of different wound surfaces, thereby achieving the purposes of fully flushing without excessive leakage of the flushing liquid and accelerating the healing of the wound surfaces.
Description
Technical Field
The invention relates to the field of wound tissue treatment, in particular to a self-adaptive wound irrigation system and a self-adaptive wound irrigation method.
Background
In recent years, the emerging VSD (Vacuum-sealing drainage, VSD) can be applied to covering and drainage of acute and chronic wound ulcer surfaces and large-area soft tissue defects on body surfaces through clinical verification, and is applied to a treatment method of traumatic osteomyelitis which naturally enters clinicians. VSD wound surface covering material on the market at present is mainly the biosynthetic material of foam or sponge, and it can't clear away sticky weeping and necrotic desquamation tissue in the application process, and the problem that appears most easily is that the drainage tube blocks up to lead to bacterium quantity increase, the peculiar smell is showing, is unfavorable for wound healing.
The effective washing of the wound surface combined with negative pressure treatment can be beneficial to removing wound exudate, necrotic tissues, bacteria and toxins from the wound bed and promoting wound healing.
Patent CN2020112236114 discloses a treatment mode with simultaneous flushing and suction, which adjusts the flushing flow according to the real-time pressure value by monitoring the pressure value and the flushing flow value of the wound surface in real time, so as to make the negative pressure of the wound surface reach a constant value. Because the wound surface is always in a state of flushing and sucking, the liquid just reaching the wound surface has no time to dissolve wound seepage, necrotic tissues, bacteria and toxins, the flushing liquid can be sucked away, and the flushing effect is poor.
Patent CN201980070547X washes through manual start-up rinse-system, observe the washing condition of wound dressing department, stop pouring, confirm the washing capacity, the volume of washing liquid uses this for setting for the standard at every turn afterwards, in addition, in the treatment process, because reasons such as position, wound dressing department receives external oppression, during the condition such as wound dressing department gas leakage, the volume of wound dressing department all can change, if the volume of washing liquid still during the standard quantity of preceding settlement, the condition that the washing liquid volume is not enough or the washing liquid volume is too much easily appears, the washing liquid volume is not enough to wash inadequately, the treatment effect is not good, the washing liquid volume is too much, liquid leaks outward, the surface of a wound leakproofness is impaired, the treatment fails.
Disclosure of Invention
The present invention is directed to overcoming the problems in the art and providing an adaptive wound irrigation system and method.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a self-adaptation wound rinse-system, this system includes control circuit, control circuit's output is connected and drive negative pressure pump and flush pump respectively, negative pressure output intercommunication hydrops jar of negative pressure pump provides the negative pressure for it, hydrops jar communicates to wound dressing department through the suction pipeline for the negative pressure attracts the flush fluid be equipped with negative pressure switch on the suction pipeline between hydrops jar and the wound dressing department, negative pressure switch's control end is connected to control circuit's output for control opens or closes the suction pipeline, the input intercommunication flush fluid source of flush pump for acquire the flush fluid, the output of flush pump communicates to wound dressing department for provide the flush fluid for wound dressing department.
Further, first negative pressure sensor, second negative pressure sensor, level sensor and liquid sensor are connected respectively to control circuit's input, first negative pressure sensor and level sensor set up on hydrops jar, are used for detecting pressure and liquid level height in the hydrops jar respectively, second negative pressure sensor sets up in wound dressing department for detect the pressure of wound dressing department, liquid sensor sets up on the pipeline between washer pump and washing liquid source, is used for detecting whether there is the washing liquid to pass through and washes the flow.
An adaptive wound irrigation method consisting of the following treatment modalities:
a rinse and soak mode, the control method of which is configured to: the first stage is as follows: the negative pressure pump is started, the negative pressure switch is opened, the flushing pump is closed, and the second stage is executed after the suction time set in the first stage is executed; and a second stage: the negative pressure pump is started, the negative pressure switch is closed, the washing pump is started, the negative pressure value of the wound surface is continuously reduced, and when the set soaking negative pressure value is reached, the third stage is executed; and a third stage: the negative pressure pump is started, the negative pressure switch is closed, the flushing pump is closed, the first stage is returned after the soaking time set in the third stage is finished, and the first stage, the second stage and the third stage are executed in a circulating manner.
Further, in the flushing and soaking mode, a treatment negative pressure, a suction time, a wound soaking pressure value and a soaking duration time are preset in the control circuit, wherein the wound soaking pressure value corresponds to the pressure at the wound dressing and is sensed by the second negative pressure sensor.
Furthermore, in the washing and soaking mode, when positive pressure or more than or equal to atmospheric pressure appears at the wound dressing, the risk of leakage of the wound surface exists, the control circuit immediately stops the current stage of the washing and soaking mode, and the first stage of the washing and soaking mode is executed, namely the negative pressure pump is started, the negative pressure switch is opened, the washing pump is closed, and the liquid at the wound dressing is immediately sucked away.
The invention has the beneficial effects that:
the invention can automatically control the flushing liquid amount according to the sizes of different wound surfaces, thereby achieving the purposes of fully flushing without excessive leakage of the flushing liquid and accelerating the healing of the wound surfaces.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a flow chart of the intermittent suction mode of the present invention;
FIG. 3 is a flow chart of the rinsing and soaking mode of the present invention;
FIG. 4 is a flow chart of the intermittent flushing mode of the present invention
FIG. 5 is a graph showing the time-dependent change of the negative pressure value in the liquid accumulation tank in the continuous suction mode according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, an adaptive wound irrigation system comprises a control circuit, an output end of the control circuit is respectively connected with and drives a negative pressure pump and an irrigation pump, a negative pressure output end of the negative pressure pump is communicated with a liquid accumulation tank to provide negative pressure for the liquid accumulation tank, the liquid accumulation tank is communicated to a wound dressing position through an absorption pipeline and used for absorbing irrigation liquid under negative pressure, a negative pressure switch is arranged on an absorption pipeline between the liquid accumulation tank and the wound dressing position, a control end of the negative pressure switch is connected to an output end of the control circuit and used for controlling the opening or closing of the absorption pipeline, an input end of the irrigation pump is communicated with an irrigation liquid source and used for obtaining the irrigation liquid, and an output end of the irrigation pump is communicated to the wound dressing position and used for providing the irrigation liquid for the wound dressing position.
First negative pressure sensor, second negative pressure sensor, level sensor and liquid sensor are connected respectively to control circuit's input, first negative pressure sensor and level sensor set up on hydrops jar, are used for detecting pressure and liquid level height in the hydrops jar respectively, second negative pressure sensor sets up in wound dressing department for detect the pressure of wound dressing department, liquid sensor sets up on the pipeline between flush pump and flushing liquid source, is used for detecting whether there is the flush fluid to pass through and washes the flow.
An adaptive wound irrigation method consisting of the following treatment modalities:
a continuous attraction mode, a control method of the mode being configured to: the negative pressure pump is started, the negative pressure switch is opened, and the flushing pump is closed; as shown in fig. 5, when the suction reaches the set treatment negative pressure, the first negative pressure sensor senses the negative pressure value in the liquid accumulation tank to regulate the output power of the negative pressure pump, so that the negative pressure value in the liquid accumulation tank is constant at the set treatment negative pressure;
an intermittent suction mode, as shown in fig. 2, a control method of which is configured to: the first stage is as follows: the negative pressure pump is opened, and negative pressure switch opens, and the flush pump closes, and the execution second stage, second stage are executed after the attraction time that the execution first stage set for: the negative pressure pump is started, the negative pressure switch is closed, the flushing pump is closed, the first stage is returned after the pause time set in the second stage is executed, and the first stage and the second stage are executed in a circulating manner;
a rinsing and soaking mode, as shown in fig. 3, the control method of which is configured to: the first stage is as follows: the negative pressure pump is started, the negative pressure switch is opened, the flushing pump is closed, and the second stage is executed after the suction time set in the first stage is executed; and a second stage: the negative pressure pump is started, the negative pressure switch is closed, the washing pump is started, the negative pressure value of the wound surface is continuously reduced, and when the set soaking negative pressure value is reached, the third stage is executed; and a third stage: the negative pressure pump is started, the negative pressure switch is closed, the flushing pump is closed, the first stage is returned after the soaking time set in the third stage is finished, and the first stage, the second stage and the third stage are executed in a circulating manner;
an intermittent flushing mode, a control method of the mode configured to: the first stage is as follows: the negative pressure pump is started, the negative pressure switch is turned on, the flushing pump is turned off, the intermittent flushing time set in the first stage is executed, and the second stage is executed; and a second stage: the negative pressure pump is started, the negative pressure switch is turned on, the flushing pump is started, and the set flushing amount is executed; and after the set flushing amount is reached, returning to the first stage, and circularly executing the first stage and the second stage.
In the intermittent suction mode, a treatment negative pressure, a suction time, and a suction interruption duration time are set in advance in the control circuit, the treatment negative pressure corresponding to the negative pressure in the effusion cell and sensed by the first negative pressure sensor.
In the flushing and soaking mode, treatment negative pressure, suction time, a wound surface soaking pressure value and soaking duration time are preset in a control circuit, wherein the wound surface soaking pressure value corresponds to the pressure of the wound dressing and is sensed by a second negative pressure sensor.
In the flushing and soaking mode, when positive pressure or more than or equal to atmospheric pressure appears at the wound dressing, the risk of leakage of the wound surface exists, the control circuit immediately stops the current stage of the flushing and soaking mode, and the first stage of the flushing and soaking mode is executed, namely, a negative pressure pump is started, a negative pressure switch is opened, a flushing pump is closed, and liquid at the wound dressing is immediately sucked away.
In the intermittent flushing mode, a therapeutic negative pressure, a suction time, and a flushing liquid amount, which is sensed by a liquid sensor, are set in advance in a control circuit.
Principle of the invention
In the process of washing and soaking, the suction tube can be clamped and closed by the negative pressure switch to interrupt the supply of negative pressure at the wound dressing, the negative pressure sensor at the wound dressing detects the real-time negative pressure at the wound dressing, the washing pump drips the washing liquid at the wound dressing, at the moment, the negative pressure value at the wound dressing can be continuously reduced, when the set soaking negative pressure value is reached, the washing pump is closed, the dripping of the washing liquid is stopped, the function of automatically controlling the washing liquid amount is achieved, because the washing amount is determined by the soaking negative pressure value at the wound dressing, the situations that the washing liquid is too much or not enough can not occur no matter the body position, the wound dressing is stressed from the outside, the volume of the wound dressing is changed due to the air leakage and the like at the wound dressing, in the process of soaking, when the positive pressure at the wound dressing is greater than or equal to the atmospheric pressure, and the risk of leakage of the wound washing liquid exists, the control circuit will immediately terminate the washing and soaking mode, and enter the first stage of the treatment mode: the negative pressure pump 3 is started, the negative pressure switch is opened, the flushing pump is closed, liquid at the wound dressing position is immediately sucked away, and the situations of too much flushing liquid, leakage of the wound surface and seal damage of the wound surface are reduced.
In addition, it should be noted that the terms "first", "second", and the like in the specification are used for distinguishing various components, elements, steps, and the like in the specification, and are not used for representing a logical relationship or a sequential relationship between the various components, elements, steps, and the like, unless otherwise specified or indicated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The self-adaptive wound irrigation system is characterized by comprising a control circuit, wherein the output end of the control circuit is respectively connected with and drives a negative pressure pump and an irrigation pump, the negative pressure output end of the negative pressure pump is communicated with a liquid accumulation tank to provide negative pressure for the liquid accumulation tank, the liquid accumulation tank is communicated to a wound dressing position through an absorption pipeline and used for absorbing flushing liquid under negative pressure, a negative pressure switch is arranged on an absorption pipeline between the liquid accumulation tank and the wound dressing position, the control end of the negative pressure switch is connected to the output end of the control circuit and used for controlling the opening or closing of the absorption pipeline, the input end of the irrigation pump is communicated with a flushing liquid source and used for obtaining the flushing liquid, and the output end of the irrigation pump is communicated to the wound dressing position and used for providing the flushing liquid for the wound dressing position.
2. The adaptive wound irrigation system of claim 1, wherein an input end of the control circuit is connected to a first negative pressure sensor, a second negative pressure sensor, a liquid level sensor and a liquid sensor, respectively, the first negative pressure sensor and the liquid level sensor are arranged on the liquid accumulation tank and are used for detecting the pressure and the liquid level height in the liquid accumulation tank, respectively, the second negative pressure sensor is arranged at the wound dressing and is used for detecting the pressure at the wound dressing, and the liquid sensor is arranged on a pipeline between the irrigation pump and an irrigation liquid source and is used for detecting whether irrigation liquid passes through and irrigation flow.
3. An adaptive wound irrigation method, characterized in that it consists of the following treatment modes:
a rinse and soak mode, the control method of which is configured to: the first stage is as follows: the negative pressure pump is started, the negative pressure switch is opened, the flushing pump is closed, and the second stage is executed after the suction time set in the first stage is executed; and a second stage: the negative pressure pump is started, the negative pressure switch is closed, the washing pump is started, the negative pressure value of the wound surface is continuously reduced, and when the set soaking negative pressure value is reached, the third stage is executed; and a third stage: the negative pressure pump is started, the negative pressure switch is closed, the flushing pump is closed, the first stage is returned after the soaking time set in the third stage is finished, and the first stage, the second stage and the third stage are executed in a circulating manner.
4. The adaptive wound irrigation method of claim 3, wherein in the irrigation soak mode, a treatment negative pressure, a suction time, a wound soak pressure value and a soak duration are set in advance in a control circuit, the wound soak pressure value corresponding to a pressure at the wound dressing and being sensed by a second negative pressure sensor.
5. The adaptive wound irrigation method according to claim 3 or 4, wherein in the irrigation soaking mode, when positive pressure or more than or equal to atmospheric pressure appears at the wound dressing, the risk of leakage of the wound surface exists, the control circuit immediately terminates the current stage of the irrigation soaking mode, and executes the first stage of the irrigation soaking mode, namely, turning on the negative pressure pump, turning on the negative pressure switch, turning off the irrigation pump, and immediately sucking away the liquid at the wound dressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111367798.XA CN113975485A (en) | 2021-11-18 | 2021-11-18 | Self-adaptive wound irrigation system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111367798.XA CN113975485A (en) | 2021-11-18 | 2021-11-18 | Self-adaptive wound irrigation system and method |
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| CN113975485A true CN113975485A (en) | 2022-01-28 |
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| CN202111367798.XA Pending CN113975485A (en) | 2021-11-18 | 2021-11-18 | Self-adaptive wound irrigation system and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771801A (en) * | 2015-01-26 | 2015-07-15 | 唐佩福 | Wound surface negative-pressure suction irrigating instrument |
| CN207708232U (en) * | 2017-04-06 | 2018-08-10 | 武汉维斯第医用科技股份有限公司 | A kind of negative pressure drainage equipment with pre-washing function |
| 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 |
| CN112912117A (en) * | 2018-09-12 | 2021-06-04 | 凯希特许有限公司 | Wound treatment system using instillation therapy and dynamic pressure control |
-
2021
- 2021-11-18 CN CN202111367798.XA patent/CN113975485A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771801A (en) * | 2015-01-26 | 2015-07-15 | 唐佩福 | Wound surface negative-pressure suction irrigating instrument |
| CN207708232U (en) * | 2017-04-06 | 2018-08-10 | 武汉维斯第医用科技股份有限公司 | A kind of negative pressure drainage equipment with pre-washing function |
| CN112912117A (en) * | 2018-09-12 | 2021-06-04 | 凯希特许有限公司 | Wound treatment system using instillation therapy and dynamic pressure control |
| 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 |
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