Multifunctional wound washing and nursing device and operation method thereof

Abstract

The invention provides a multifunctional wound flushing nursing device and an operation method thereof.The nursing device comprises a device body provided with a flushing module and a suction module, the flushing module comprises a flushing pump, a flushing fluid chamber and a spray head, and the spray head is installed on a flushing mechanical arm and carried by the flushing mechanical arm to move to a wound; the suction module comprises a suction pump, a waste liquid collecting unit and a suction head, the suction head is installed on a suction mechanical arm and carried by the suction mechanical arm to move to a wound, the waste liquid collecting unit comprises a waste liquid collecting drawer connected with the device body, and waste liquid sucked out by the suction head is collected in the waste liquid collecting drawer. The flushing mechanical arm and the suction mechanical arm respectively carry the spray head and the suction head to a wound, the spray head sprays flushing liquid to flush the wound, the suction head sucks waste liquid at the wound to keep a relatively dry environment near the wound, and the waste liquid sucked by the suction head is collected in the waste liquid collection drawer. Waste liquid can be cleaned by drawing out the waste liquid collecting drawer, and operation is more convenient.

Description

Technical Field

[0001] The invention belongs to the field of medical technology, and in particular relates to a multifunctional wound flushing and nursing device and an operating method thereof. Background Art

[0002] For some infected wounds, negative pressure closed drainage combined with irrigation therapy is used clinically. The benefits of negative pressure closed drainage combined with irrigation therapy are that it can reduce the number of wound debridements, reduce the bacterial load, and further accelerate wound healing. Medical staff generally use the irrigation module to rinse the wound first, and then use a negative pressure suction device to absorb the irrigation fluid and wound exudate.

[0003] For example, CN 201510243836.9 discloses a wound flushing module for trauma orthopedics, including a liquid storage chamber, a flushing tube, and a liquid suction tube. The inner part of the liquid storage chamber is divided into five chambers, the upper part is respectively a liquid medicine chamber, a saline chamber, and a pure water chamber, and the lower part is respectively a flushing chamber and a liquid suction chamber. The liquid medicine chamber, the saline chamber, and the pure water chamber are connected to the flushing chamber through a common pipeline, the flushing tube is connected to the flushing chamber, and the liquid suction tube is connected to the liquid suction chamber. The wound waste liquid sucked out by the liquid suction tube is discharged into the liquid suction chamber, but the liquid suction chamber is fixed and cannot be removed, which is not convenient for cleaning the wound waste liquid. Summary of the invention

[0004] The present invention aims to solve the technical problems existing in the prior art. The first object of the present invention is to provide a multifunctional wound flushing and care device. The second object of the present invention is to provide an operating method based on the aforementioned care device.

[0005] To achieve the above-mentioned first purpose, the present invention adopts the following technical scheme: a multifunctional wound flushing and care device, including a device main body, which is provided with a flushing module and a suction module; the flushing module includes a flushing pump, a flushing liquid chamber connected to the inlet of the flushing pump, and a nozzle connected to the outlet of the flushing pump through a flushing pipe, and a flushing mechanical arm is provided on the outside of the device main body, and the nozzle is installed on the flushing mechanical arm and is carried by the flushing mechanical arm to the wound; the suction module includes a suction pump, a waste liquid collection unit connected to the outlet of the suction pump, and a suction head connected to the inlet of the suction pump through the suction pipe, and a suction mechanical arm is provided on the outside of the device main body, and the suction head is installed on the suction mechanical arm and is carried by the suction mechanical arm to the wound, and the waste liquid collection unit includes a waste liquid collection drawer that is slidably connected to the device main body and can be detached from it, and the waste liquid sucked out by the suction head is collected in the waste liquid collection drawer.

[0006] In the above technical solution, the flushing robot arm carries the nozzle to the wound, the suction robot arm carries the suction head to the wound, the flushing pump works, the nozzle sprays flushing liquid to flush the wound, the suction pump works, the suction head sucks away the waste liquid from the wound, and maintains a relatively dry environment near the wound. The waste liquid sucked out by the suction head is collected in the waste liquid collection drawer, which is slidably connected to the device body. The waste liquid can be cleaned by pulling out the waste liquid collection drawer, which is more convenient to operate.

[0007] In a preferred embodiment of the present invention, the waste liquid collection unit also includes a waste liquid collection bag connected to the suction pump outlet through a drainage pipe, the waste liquid collection bag can be stored in the waste liquid collection drawer, and the waste liquid collection bag and the drainage pipe are detachably connected.

[0008] According to the above technical solution, the waste liquid collection bag is first connected to the drainage pipe, and then the waste liquid collection bag is placed in the waste liquid collection drawer to avoid clutter on site. The waste liquid sucked out by the suction head is stored in the waste liquid collection bag. After the wound care is completed, the waste liquid collection drawer is opened and the waste liquid collection bag is cleaned, which not only prevents the spread of pollution, but also makes the cleaning of the waste liquid more convenient.

[0009] In a preferred embodiment of the present invention, a first temperature sensor that can be close to the wound is provided on the flushing tube / nozzle; and / or a second temperature sensor that can be close to the wound is provided on the suction tube / suction head.

[0010] The above technical solution, by setting a first temperature sensor and a second temperature sensor to monitor the local temperature of the patient's wound, can relatively monitor whether the patient has local infection. When the local temperature is high, the patient is at risk of infection, and the medical staff is reminded. The medical staff can choose whether to take a sample of the wound for examination based on the actual situation.

[0011] In a preferred embodiment of the present invention, the device body is also provided with a phototherapy module, which includes a phototherapy host and a phototherapy head connected to the host through a phototherapy cable. A phototherapy mechanical arm is provided on the outside of the device body, and the phototherapy head is installed on the phototherapy mechanical arm and is carried by the phototherapy mechanical arm to the wound.

[0012] The above technical solution, by setting up a phototherapy module, after flushing the wound, according to needs, the phototherapy robot arm carries the phototherapy head to the wound, and performs phototherapy on the wound through the phototherapy head to assist in wound repair.

[0013] In a preferred embodiment of the present invention, the device body is also provided with a drug release module, which includes a drug release pump, a drug storage chamber connected to the inlet of the drug release pump, and a drug release head connected to the outlet of the drug release pump through a drug release tube; a drug release robotic arm is provided on the outside of the device body, and the drug release head is installed on the drug release robotic arm and is carried by the drug release robotic arm to the wound.

[0014] The above technical solution, by setting up a drug release module, after flushing the wound, according to demand, the drug release robot arm carries the drug release head to the wound, and releases a trace amount of drug into the wound through the drug release head.

[0015] In another preferred embodiment of the present invention, the device body is also provided with a hot and cold module, which includes a patch and a temperature control component for heating or cooling the patch. A patch robot arm is provided on the outside of the device body, and the patch is mounted on the patch robot arm and carried by the patch robot arm to the wound; the temperature control component is a semiconductor chip capable of heating and cooling that is arranged in the patch.

[0016] The above technical solution, by setting up a cold and hot module, after flushing the wound, according to needs, the dressing robot arm carries the dressing to the wound, and the temperature control component adjusts the temperature of the dressing to achieve cold and hot compresses to meet different care needs.

[0017] In another preferred embodiment of the present invention, a rechargeable battery unit is provided in the device body, and the battery unit is used to power the flushing module and the suction module. A charging interface connected to the battery unit and a power switch for controlling the power supply are provided on the outer surface of the device body.

[0018] In the above technical solution, the entire nursing device is powered by a rechargeable battery unit and does not need to be plugged in. It can also be used in places without sockets, which is more practical.

[0019] In another preferred embodiment of the present invention, the bottom of the device body is a chassis with casters, and the waste liquid collection drawer is arranged on the chassis; and / or a storage drawer is arranged on the back of the device body.

[0020] In another preferred embodiment of the present invention, the flushing module has three flushing modes: pulse flushing, pressure-controlled flushing and temperature-controlled flushing; the flushing pump can be started and stopped periodically by controlling a button to achieve pulse flushing; the flushing pump or nozzle is connected to a pressure regulating unit so that the water pressure sprayed from the nozzle can be adjusted; a heater is provided on the flushing pipe to heat the flushing liquid flowing through it, and the heating temperature of the heater is adjustable so that the flushing temperature can be adjusted.

[0021] In the above technical solution, the flushing module has three flushing modes: pulse flushing, pressure-controlled flushing and temperature-controlled flushing, to meet the treatment needs of different wounds.

[0022] To achieve the second objective, the present invention adopts the following technical solution: an operating method of a multifunctional wound washing and nursing device, comprising the following steps:

[0023] Collect water temperature values ​​and control the heater to adjust the water temperature to the target temperature;

[0024] Collect wound images and wound types, and use the following formula to preliminarily determine the depth of the wound: Where D is the estimated wound depth, L is the wound length, W is the wound width, and β is the wound type coefficient;

[0025] According to the following formula, the pressure value is adjusted according to the depth of the wound and the pressure value is ensured to be less than the upper pressure limit, P = αh, where P is the flushing pressure, α is the pressure adjustment coefficient, and h is the wound depth.

[0026] The above technical solution preliminarily determines the wound depth according to the wound length, wound width and wound type, and then adjusts the flushing pressure according to the wound depth, so as to achieve a better flushing effect.

[0027] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 It is a structural schematic diagram of a multifunctional wound flushing and nursing device according to an embodiment.

[0030] The figure marks in the drawings of the specification include: device body 10, chassis 11, casters 12, push rod 13, nozzle 21, flushing robot arm 22, suction head 31, waste liquid collection drawer 32, phototherapy head 41, phototherapy robot arm 42, drug release head 51, drug release robot arm 52, applicator 61, temperature control component 62, applicator robot arm 63, control panel 71, control button 72. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present invention, it is to be understood that the terms “longitudinal”, “lateral”, “vertical”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the internal connection between two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0034] The present invention provides a multifunctional wound washing and nursing device, such as Figure 1 As shown, in a preferred embodiment, the nursing device includes a device body 10, and the device body 10 is provided with a flushing module and a suction module.

[0035] The flushing module includes a flushing pump, a flushing liquid chamber connected to the flushing pump inlet, and a nozzle 21 connected to the flushing pump outlet through a flushing pipe. The flushing liquid chamber is used to contain flushing liquid (such as physiological saline or purified water, etc.). A flushing mechanical arm 22 is provided on the outside of the device body 10. The nozzle 21 is installed at the end of the flushing mechanical arm 22 and is carried by the flushing mechanical arm 22 to move to the wound. The flushing mechanical arm 22 can adopt a multi-joint mechanical arm or a continuum robot in the prior art, and the angle and position of the nozzle 21 can be freely adjusted. Among them, the flushing pump and the flushing liquid chamber are arranged inside the device body 10, the nozzle 21 is located outside the device body 10, and the flushing pipe is fixed to the outside of the flushing mechanical arm 22 or buried in the flushing mechanical arm 22 by a binding belt. A liquid filling port for adding flushing liquid to the flushing liquid is provided on the device body 10, which is convenient for adding flushing liquid; a cover plate is also provided on the rear side of the device body 10, which is convenient for opening and maintaining the inside of the device body 10.

[0036] The suction module includes a suction pump, a waste liquid collection unit connected to the outlet of the suction pump, and a suction head 31 connected to the inlet of the suction pump through a suction tube. A suction mechanical arm is provided on the outside of the device body 10. The suction head 31 is installed on the suction mechanical arm and is carried by the suction mechanical arm to the wound. The suction mechanical arm can also adopt a multi-joint mechanical arm or a continuum robot in the prior art, and the angle and position of the suction head 31 can be freely adjusted; the waste liquid collection unit includes a waste liquid collection drawer 32 that is slidably connected to the bottom front of the device body 10 and can be detached from it. The waste liquid sucked out by the suction head 31 (including flushing waste liquid, pus, exudate, and disinfectant and antibacterial liquid) is collected in the waste liquid collection drawer 32. Among them, the suction pump is arranged inside the device body 10, the suction head 31 is located outside the device body 10, and the suction tube is fixed to the outside of the suction mechanical arm by a binding belt or buried in the suction mechanical arm.

[0037] In another preferred embodiment, the waste liquid collection unit also includes a waste liquid collection bag (not shown in the figure) connected to the suction pump outlet through a drainage pipe. The waste liquid collection bag can be stored in the waste liquid collection drawer 32. The waste liquid collection bag and the drainage pipe are detachably connected to facilitate the removal of the waste liquid collection bag to clean the waste liquid.

[0038] In this embodiment, the waste liquid sucked out by the suction head is collected by a waste liquid collection bag, and the waste liquid collection bag is placed in the waste liquid collection drawer 32, which has the following advantages and functions:

[0039] 1. Prevent the spread of pollution

[0040] 1) Double-layer protection design: The waste liquid collection bag can effectively isolate the waste liquid and prevent it from direct contact with the nursing device, thereby reducing the risk of internal contamination of the nursing device. The waste liquid collection bag is placed in a dedicated waste liquid collection drawer 32 to further prevent leakage or spread of waste liquid and improve aseptic safety; 2) Easy to clean: The drawer-type design makes it easier to replace the waste liquid collection bag, while preventing nursing staff from direct contact with waste liquid and reducing the risk of infection.

[0041] 2. Improve the maintenance convenience of the nursing device

[0042] 1) Modular design: The drawer-type waste liquid collection unit can be quickly disassembled, which is convenient for nursing staff to clean and maintain the waste liquid part separately without affecting the use of other modules of the device body 10; 2) Reduce the workload of nursing staff: The waste liquid collection drawer 32 can accommodate a certain capacity of waste liquid collection bags, reducing the need for frequent replacement of consumables and improving nursing efficiency.

[0043] 3. Intelligent monitoring and reminder

[0044] 1) Monitoring of waste liquid capacity: In practice, a liquid level sensor may be provided in the waste liquid collection drawer 32 to monitor the capacity of the waste liquid collection bag in real time. When the waste liquid is close to being full, the nursing device will send out an alarm to remind the nursing staff to replace it in time to prevent waste liquid overflow; 2) Automatic identification of the installation status of the waste liquid collection bag: By installing a sensor, ensure that the waste liquid collection bag is correctly placed in the waste liquid collection drawer 32. If it is improperly installed, the nursing device can prompt for adjustment to avoid operational failures.

[0045] 4. Environmental protection and consumables management

[0046] 1) Disposable waste liquid collection bag design: Waste liquid collection bags are preferably made of environmentally friendly materials, which are convenient for centralized treatment after disposal and comply with medical waste management regulations; 2) Reduce the cost of consumables: The drawer design can adapt to waste liquid collection bags of different specifications. Nursing staff can choose the appropriate size of waste liquid collection bag according to the amount of exudate from the patient's wound to reduce waste.

[0047] 5. Suitable for multiple scenarios

[0048] 1) Safety of moving the nursing device: the waste liquid collection bag is fixed in the waste liquid collection drawer 32 to prevent the waste liquid from shaking or accidentally leaking during the movement of the nursing device; 2) Expansion to home care: For the home version of the nursing device, the drawer design is convenient for non-professional caregivers to operate, increasing user-friendliness.

[0049] Further preferably, a sealing strip is added between the waste liquid collection drawer 32 and the waste liquid collection bag to further improve the safety of waste liquid treatment and prevent odor or microbial contamination; the waste liquid can also be directly discharged to a centralized treatment device through a closed pipe system to reduce manual operations and realize automation of waste liquid treatment; in addition, waste liquid collection drawers 32 of different sizes are designed to achieve flexible configuration according to the different needs of hospitals or home care.

[0050] In another preferred embodiment, a first temperature sensor that can be close to the wound is provided on the flushing tube / nozzle 21; and / or a second temperature sensor that can be close to the wound is provided on the suction tube / suction head 31. The first temperature sensor and the second temperature sensor are provided to monitor the local temperature of the patient's wound, so as to relatively monitor whether the patient has local infection. When the local temperature is high, the patient has a risk of infection, and the medical staff is reminded. The medical staff can choose whether to take a sample of the wound for examination according to the actual situation.

[0051] In another preferred embodiment, the device body 10 is further provided with a phototherapy module, which includes a phototherapy host and a phototherapy head 41 connected to the host through a phototherapy cable. A phototherapy mechanical arm 42 is provided on the outside of the device body 10. The phototherapy head 41 is mounted on the phototherapy mechanical arm 42 and carried by the phototherapy mechanical arm 42 to move to the wound. The phototherapy mechanical arm 42 can also use a multi-joint mechanical arm or a continuum robot in the prior art, and can freely adjust the angle and position of the phototherapy head 41. The phototherapy host is arranged inside the device body 10, the phototherapy head 41 is located outside the device body 10, and the cable of the phototherapy head 41 is fixed to the outside of the phototherapy mechanical arm 42 or buried in the phototherapy mechanical arm 42 by a binding belt.

[0052] After flushing the wound and sucking out the waste fluid from the wound, the phototherapy head 41 uses LED or low-energy laser to irradiate the wound to assist in wound repair and promote wound healing treatment.

[0053] In another preferred embodiment, the device body 10 is further provided with a drug release module, which includes a drug release pump, a drug storage chamber connected to the inlet of the drug release pump, and a drug release head 51 connected to the outlet of the drug release pump through a drug release tube; a drug release mechanical arm 52 is provided on the outside of the device body 10, and the drug release head 51 is installed on the drug release mechanical arm 52 and carried by the drug release mechanical arm 52 to move to the wound. The drug release mechanical arm 52 can also adopt a multi-joint mechanical arm or a continuum robot in the prior art, and the angle and position of the drug release head 51 can be freely adjusted. Among them, the drug release pump is arranged inside the device body 10, the drug storage chamber is a medicine bottle detachably mounted on the outside of the device body 10, the drug release head 51 is located outside the device body 10, and the drug release tube is fixed to the outside of the drug release mechanical arm 52 by a binding belt or buried in the drug release mechanical arm 52.

[0054] According to the demand, the medicine in the medicine storage chamber can be an antibacterial agent, analgesic or growth factor. After the wound is rinsed and cared for, the drug release pump transports the medicine in the medicine storage chamber to the drug release head 51 through the drug release tube, and the drug release head 51 outputs the medicine to the wound to achieve trace drug release. By controlling the start and stop of the drug release pump, two modes of continuous drug release and immediate drug release are supported.

[0055] In another preferred embodiment, the device body 10 is also provided with a hot and cold module, which includes an application 61 and a temperature control component 62 for heating or cooling the application 61; an application mechanical arm 63 is provided on the outside of the device body 10, and the application 61 is mounted on the application mechanical arm 63 and carried by the application mechanical arm 63 to move to the wound. The application mechanical arm 63 can also adopt a multi-joint mechanical arm or a continuum robot in the prior art, and can freely adjust the angle and position of the application 61. Among them, the temperature control component 62 is a semiconductor chip that can be heated and cooled and is arranged in the application 61. Heating and cooling by semiconductor chips are prior art and are not described in detail here; preferably, the temperature control component 62 is installed at the end of the application mechanical arm 63, and the application 61 is covered outside the temperature control component 62 and is detachable for easy replacement; the cable of the temperature control component 62 is fixed to the outside of the application mechanical arm 63 or buried in the application mechanical arm 63 by a binding band.

[0056] When hot or cold compress is needed, the compress robot 63 carries the compress 61 to the wound, and the temperature control component 62 heats up the compress 61 to apply hot compress to the wound, or cools down the compress 61 to apply cold compress to the wound. Depending on the condition of the wound, the compress 61 can apply hot compress to the wound to promote blood circulation and accelerate healing, or can apply cold compress to the wound to reduce swelling and pain, or can alternate between hot and cold.

[0057] In the present invention, the bottom of the device body 10 is a chassis 11 with casters 12, and the casters 12 are universal wheels. For example, four casters 12 are arranged at the bottom of the chassis 11, and a push rod 13 is fixed to the rear side of the top of the device body 10 to facilitate the movement of the nursing device. Further, a waste liquid collection drawer 32 is arranged on the chassis 11; further, a storage drawer (not shown in the figure) is arranged on the back of the device body 10 for storing spare nozzles 21, suction heads 31, phototherapy protective sheets, patch 61 and other accessories.

[0058] In the present invention, a rechargeable battery unit is provided in the device body 10, and the battery unit is used to power the flushing module, the suction module, the phototherapy module, the drug release module and the hot and cold module. A charging interface connected to the battery unit and a power switch for controlling the power supply are provided on the back of the device body 10. In this way, the device can be powered by the battery unit without plugging in, which is more practical.

[0059] In another preferred embodiment of the present invention, a control panel 71 connected to the flushing module, suction module, phototherapy module, drug release module and hot and cold modules is provided on the front of the device body 10. The debridement parameters (including flushing mode, suction intensity, phototherapy time, cold and hot compress time, etc.) can be set through the control panel 71. The front of the device body 10 is also provided with a control button 72 connected to the control panel 71 for controlling the operation of the device body 10. The operation of each module can be controlled by operating the control button 72.

[0060] In the present invention, the flushing module has three flushing modes: pulse flushing, pressure-controlled flushing, and temperature-controlled flushing. Specifically, the flushing pump can be periodically started and stopped by the control button 72 to achieve pulse flushing; the flushing pump or the nozzle 21 is connected to a pressure regulating unit so that the water pressure sprayed by the nozzle 21 can be adjusted to achieve pressure-controlled flushing; the flushing pipe is provided with a heater for heating the flushing liquid flowing through it, and the heating temperature of the heater can be adjusted (for example, within the range of 35-40°C) so that the flushing temperature can be adjusted to achieve temperature-controlled flushing to meet different needs.

[0061] When using the nursing device, the medical staff sets the debridement parameters according to the wound type, fills the washing liquid (such as saline or diluted disinfectant) in the washing liquid chamber, connects the waste liquid collection bag to the drainage pipe and places it in the waste liquid collection drawer 32, and places the nursing device next to the wound. The position of the nozzle 21 is adjusted to the wound by the washing mechanical arm 22, and the position of the suction head 31 is adjusted to the wound by the suction mechanical arm, and the washing pump is started. The washing liquid in the washing liquid chamber is sucked out by the washing pump and then transported to the nozzle 21 through the washing pipe. The washing liquid is sprayed by the nozzle 21 to wash the patient's wound, and the suction pump is started. The suction pump sucks the waste liquid at the wound into the waste liquid collection bag through the suction head 31 and the suction pipe. The method of washing the wound and sucking out the waste liquid is a prior art and is not described in detail here. After washing the wound and sucking out the waste liquid, one or more of the phototherapy function, the trace drug release function, and the cold and hot compress function are selected according to the actual situation of the wound to assist in wound repair. After wound care is completed, the waste liquid collection bag is cleaned and the inside of the device body 10 is disinfected. Specifically, an ultraviolet disinfection lamp can be set in the device body 10.

[0062] Embodiment 2

[0063] This embodiment provides an operation method of the nursing device based on the first embodiment, comprising the following steps:

[0064] Collect water temperature value (specifically, the outlet water temperature of the nozzle can be collected through the water temperature sensor), and control the heater to adjust the water temperature to the target water temperature;

[0065] Collect wound images and wound types (which can be determined by doctors or artificial intelligence), and use the following formula to preliminarily determine the depth of the wound:

[0066]

[0067] Where D is the estimated wound depth, L is the wound length, W is the wound width, β is the wound type coefficient, 10 for laceration, 15 for laceration, and 20 for puncture;

[0068] According to the following formula, adjust the pressure value according to the depth of the wound and ensure that the pressure value is less than the upper pressure limit.

[0069] P=αh

[0070] Wherein, P is the irrigation pressure in psi, α is the pressure adjustment coefficient, which can be 4psi / cm, and h is the wound depth in cm.

[0071] In the description of this specification, the description with reference to the terms "preferred embodiment", "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0072] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A multifunctional wound washing and nursing device, characterized in that: The device comprises a device body, wherein the device body is provided with a flushing module and a suction module; The flushing module includes a flushing pump, a flushing liquid chamber connected to the flushing pump inlet, and a nozzle connected to the flushing pump outlet through a flushing pipe. A flushing mechanical arm is provided on the outside of the device body, and the nozzle is mounted on the flushing mechanical arm and carried by the flushing mechanical arm to the wound. The suction module includes a suction pump, a waste liquid collection unit connected to the outlet of the suction pump, and a suction head connected to the inlet of the suction pump through a suction tube. A suction robotic arm is provided on the outside of the device body, and the suction head is installed on the suction robotic arm and is carried by the suction robotic arm to the wound. The waste liquid collection unit includes a waste liquid collection drawer that is slidably connected to the device body and can be detached from it. The waste liquid sucked out by the suction head is collected in the waste liquid collection drawer.

2. A multifunctional wound washing and nursing device according to claim 1, characterized in that: The waste liquid collection unit also includes a waste liquid collection bag connected to the outlet of the suction pump through a drainage pipe. The waste liquid collection bag can be stored in the waste liquid collection drawer, and the waste liquid collection bag is detachably connected to the drainage pipe.

3. A multifunctional wound washing and nursing device according to claim 1, characterized in that: The flushing tube / nozzle is provided with a first temperature sensor that can be close to the wound; And / or the suction tube / suction head is provided with a second temperature sensor that can be close to the wound.

4. The multifunctional wound washing and nursing device according to claim 1, characterized in that: The device body is also provided with a phototherapy module, which includes a phototherapy host and a phototherapy head connected to the host through a phototherapy cable. A phototherapy mechanical arm is provided on the outside of the device body, and the phototherapy head is installed on the phototherapy mechanical arm and is carried by the phototherapy mechanical arm to the wound.

5. The multifunctional wound washing and nursing device according to claim 1, characterized in that: The device body is also provided with a drug release module, which includes a drug release pump, a drug storage chamber connected to the inlet of the drug release pump, and a drug release head connected to the outlet of the drug release pump through a drug release tube; A drug releasing mechanical arm is arranged on the outer side of the device body, and the drug releasing head is mounted on the drug releasing mechanical arm and is carried by the drug releasing mechanical arm to move to the wound.

6. The multifunctional wound washing and nursing device according to claim 1, characterized in that: The device body is also provided with a hot and cold module, which includes an application patch and a temperature control component for heating or cooling the application patch. An application mechanical arm is provided on the outside of the device body, and the application patch is mounted on the application mechanical arm and carried by the application mechanical arm to the wound. The temperature control component is a semiconductor sheet that is arranged in the patch and can be heated and cooled.

7. The multifunctional wound washing and nursing device according to claim 1, characterized in that: A rechargeable battery unit is arranged in the main body of the device, and the battery unit supplies power to the flushing module and the suction module. A charging interface connected to the battery unit and a power switch for controlling the on and off of the power supply are arranged on the outer surface of the main body of the device.

8. The multifunctional wound washing and nursing device according to claim 1, characterized in that: The bottom of the device body is a chassis with casters, and the waste liquid collection drawer is arranged on the chassis; And / or a storage drawer is provided on the back side of the device body.

9. A multifunctional wound washing and nursing device according to any one of claims 1 to 8, characterized in that: The flushing module has three flushing modes: pulse flushing, pressure-controlled flushing and temperature-controlled flushing; The flushing pump can be started and stopped periodically by controlling a button to achieve pulse flushing; The flushing pump or the nozzle is connected to a pressure regulating unit so that the water pressure sprayed by the nozzle can be adjusted; The flushing pipe is provided with a heater for heating the flushing liquid flowing through it, and the heating temperature of the heater is adjustable so that the flushing temperature can be adjusted.

10. An operating method of a multifunctional wound washing and nursing device according to claim 9, characterized in that: The steps include: Collect water temperature values ​​and control the heater to adjust the water temperature to the target temperature; Collect wound images and wound types, and use the following formula to preliminarily determine the depth of the wound: Where D is the estimated wound depth, L is the wound length, W is the wound width, and β is the wound type coefficient; According to the following formula, adjust the pressure value according to the depth of the wound and ensure that the pressure value is less than the upper pressure limit. P=αh Among them, P is the irrigation pressure, α is the pressure adjustment coefficient, and h is the wound depth.

Images