Arthrophlogosis negative pressure osmotic treatment device and use method thereof

Abstract

The invention relates to the field of medical auxiliary instruments, in particular to an arthritis negative pressure osmotic therapy device and a using method thereof.The device comprises a carrier, a cover is rotationally connected to the carrier, and a first movable groove and a second movable groove are formed in the carrier and the cover respectively; a first fitting part and a second fitting part are slidably connected into the first movable groove and the second movable groove respectively, first driving parts are arranged on the first fitting part and the second fitting part, and the first driving parts are used for driving the first fitting part or the second fitting part to be fitted with the joint of the patient; a plurality of negative pressure grooves are formed in the first fitting part and the second fitting part, and suction mechanisms used for generating uniform negative pressure in the negative pressure grooves and liquid feeding mechanisms used for feeding liquid medicine into the negative pressure grooves are communicated with the interiors of the negative pressure grooves. According to the invention, the treatment negative pressure can be accurately controlled and maintained, the standardization of the treatment dose is ensured, and the treatment reliability is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical auxiliary devices, in particular to a negative pressure infiltration treatment device for arthritis and a method of using the same. BACKGROUND

[0002] Arthritis is a general term for a large group of diseases with inflammation of the joints as a common feature, leading to swelling, pain and dysfunction of the joints. Such as rheumatoid arthritis, osteoarthritis, etc. One of the core goals of its treatment is to relieve local symptoms of the joint, including pain, swelling and dysfunction. Local drug infiltration treatment is one of the commonly used auxiliary means, aiming to deliver anti-inflammatory, analgesic or blood-activating and stasis-removing drug components directly to the affected joint and surrounding tissues, to improve local drug concentration and reduce systemic side effects. In order to achieve more effective transdermal drug delivery, treatment methods combined with negative pressure technology (such as modified forms of cupping) have been explored and applied for a long time.

[0003] Traditional bamboo cupping therapy is a typical representative of such methods. During operation, the bamboo cup is heated in boiling medicinal liquid, and after the air is discharged, it is quickly adsorbed to the skin of the affected area. Its therapeutic effect is mainly based on two aspects: one is to cause local tissue hyperemia by negative pressure suction, theoretically promoting blood circulation; the other is to expect the residual medicinal liquid or steam in the cup to penetrate into the skin. However, the negative pressure generated by the bamboo cup completely depends on the experience of the operator (such as heating temperature, cupping speed and angle), and lacks precise measurement and control. If the negative pressure value is too high, it may cause skin bruising or even blisters, and if it is too low, it may not be adsorbed stably and the amount of stimulation may be insufficient. This "experience-based" mode of operation makes it impossible to quantify the treatment dose (the size and time of negative pressure), let alone achieve uniform standards among different patients, different therapists or different treatments, which seriously affects the repeatability and safety assessment of the treatment.

[0004] The residual medicinal liquid or steam in the cup is passively and randomly in contact with the skin under uncertain negative pressure. The depth, rate and total amount of drug penetration are affected by many uncontrollable factors, such as fluctuations in negative pressure, skin temperature and humidity, physical properties of medicinal liquid, etc. This leads to extremely uneven drug penetration, with some areas possibly absorbing too much and others not enough, making it difficult to achieve stable and consistent expected therapeutic effects.

[0005] In view of the defects of the prior art, there is an urgent need for a new negative pressure infiltration treatment device for arthritis, which can accurately control and maintain the treatment negative pressure, and ensure the standardization of the treatment dose, in order to improve the safety and effectiveness of the treatment. SUMMARY

[0006] To solve the above problems, the present application provides a negative pressure infiltration treatment device for arthritis and a method of using the same, for improving the reliability of the treatment.

[0007] In order to achieve the above object, the technical scheme of the present application is as follows: An arthritis negative pressure infiltration treatment device, comprising a carrier, a cover body rotatably connected to the carrier, a first movable groove and a second movable groove respectively formed in the carrier and the cover body, a first fitting part and a second fitting part respectively slidably connected in the first movable groove and the second movable groove, a first driving element arranged on the first fitting part and the second fitting part, the first driving element being used to drive the first fitting part or the second fitting part to fit a patient's joint, a plurality of negative pressure grooves formed in the first fitting part and the second fitting part, a suction mechanism for generating a uniform negative pressure in each negative pressure groove and a liquid feeding mechanism for feeding liquid medicine into the negative pressure grooves, which are communicated with the negative pressure grooves.

[0008] The technical principle of the above scheme is as follows:

[0009] Before treatment, an operator places the carrier and the cover body on both sides of the patient's joint. The first driving element is started to drive the first fitting part and the second fitting part to slide along the movable grooves in the direction of the joint and apply gentle pressure until the contour of the fitting part is tightly and uniformly fitted with the local skin surface of the joint.

[0010] After the fitting and sealing are completed, the suction mechanism is started to synchronously and uniformly suck all the negative pressure grooves through the connecting pipeline. Since the fitting part has formed a sealed space, the suction action rapidly generates and maintains a preset and stable negative pressure value in each negative pressure groove. The negative pressure acts on the skin and subcutaneous tissue to cause mild congestion of the local tissue, increase the permeability of capillary blood vessels and local blood perfusion.

[0011] After the target negative pressure is established and stabilized, the liquid feeding mechanism starts to work to feed the pre-configured treatment liquid (such as anti-inflammatory and blood-activating and stasis-removing traditional Chinese medicine extract) into each negative pressure groove.

[0012] After the preset treatment time is reached, the liquid feeding mechanism stops feeding liquid, and the suction mechanism slowly releases the negative pressure to restore the pressure in the device to normal pressure. Then, the first driving element drives the first fitting part and the second fitting part to retreat, and the device can be safely removed from the patient's joint to complete a single treatment.

[0013] The above scheme has the following beneficial effects:

[0014] 1. The suction mechanism with programmable control can accurately set, real-time monitor and stably maintain the required negative pressure value and treatment time. The problem that the traditional method relies on the operator's sense of touch and the negative pressure cannot be quantified is completely solved, so that the dose (negative pressure intensity and time) of each treatment is controllable and repeatable, which provides a reliable basis for the objective evaluation of clinical efficacy and the optimization of the scheme.

[0015] 2. The plurality of negative pressure grooves under the unified negative pressure drive ensures that the liquid medicine can be uniformly distributed on the skin surface of the entire sealed treatment area.

[0016] Further, the suction mechanism comprises pneumatic cavities respectively formed in the first and second adhering parts, each of the pneumatic cavities being slidably fitted with a transmission plate, and each of the pneumatic cavities being communicated with a power element for generating negative pressure; each of the pneumatic cavities is slidably fitted with a piston column on a communication path with the power element, and one end of each of the piston columns is fixedly connected with the transmission plate on a side away from the negative pressure groove.

[0017] Each of the pneumatic cavities is slidably connected with a connecting rod between the pneumatic cavity and the negative pressure groove, one end of each of the connecting rods is fixedly connected with the transmission plate, and the other end of each of the connecting rods is fixedly connected with a piston plate, each of the piston plates being slidably fitted with the negative pressure groove.

[0018] Beneficial effects: Since the piston plate of each negative pressure groove is rigidly connected with the same transmission plate through the connecting rod, the movement of the piston plate in all negative pressure grooves is completely synchronized. This means that the negative pressure generation rate, the final pressure value, and the dynamic adjustment process of each treatment unit remain highly consistent, fundamentally solving the problem of uneven pressure at each point under the traditional method or independent control mode, and realizing the uniformization of the global treatment pressure.

[0019] Further, the drug delivery mechanism comprises a drug liquid unit and a drug mist unit, the drug liquid unit being used for delivering drug liquid to the negative pressure grooves on the second adhering part, and the drug mist unit being used for delivering drug mist to the negative pressure grooves on the first adhering part.

[0020] Beneficial effects: After the suction mechanism establishes and maintains stable negative pressure in the negative pressure grooves, the drug delivery mechanism activates different drug delivery units according to the preset program for the first and second adhering parts. For the second adhering part mainly covering the upper surface of the knee joint and the like, the negative pressure grooves inside are responsible for drug supply by the drug liquid unit. The drug liquid is delivered to the negative pressure grooves under the power of a micropump or the like. Here, the adsorption force of the negative pressure and the direction of the gravity of the drug liquid are consistent, and together they make the drug liquid closely adhere to and continuously infiltrate the skin above, and penetrate into the joint capsule and the surrounding tissue under the driving of the pressure gradient. For the first adhering part mainly covering the lower surface of the knee joint and the like, the negative pressure grooves inside are responsible for drug supply by the drug mist unit. The drug mist is delivered to the negative pressure grooves. Since the drug mist particles are light in mass, in the closed space of the negative pressure groove, they will naturally float upwards, thereby fully contacting the skin of the treatment site above. The wet drug mist can also effectively enhance the skin hydration and promote the transdermal absorption of the drug ingredients under the negative pressure environment.

[0021] Further, the drug liquid unit comprises a drug liquid cavity formed in a carrier, the drug liquid cavity being communicated with a liquid delivery tube, the liquid delivery tube sequentially passing through each negative pressure groove in the first adhering part and then converging into the drug liquid cavity again, and the drug liquid cavity being communicated with a circulation pump on a communication path with the liquid delivery tube; the drug liquid cavity is provided with a constant temperature module for maintaining a preset temperature of the drug liquid.

[0022] Beneficial effect: when the negative pressure groove of the second fitting part (upper part of the joint) needs to be dosed, the circulating pump starts. The pump drives the treatment liquid in the liquid cavity to flow out through the infusion tube. The infusion tube flows through each negative pressure groove on the second fitting part in series or parallel, accurately and quantitatively delivering the liquid to each treatment unit, ensuring that the liquid contacts the skin.

[0023] Further, the drug mist unit includes a fumigation cavity opened in the carrier, and the fumigation cavity is communicated with the mist delivery pipe. The mist delivery pipe flows through each negative pressure groove in the second fitting part in series and then flows into the fumigation cavity again. The fumigation cavity is provided with a fumigation module for generating drug mist.

[0024] Beneficial effect: when the negative pressure groove of the first fitting part (lower part of the joint) needs to be dosed, the fumigation module starts. The module (usually a heating atomizer) converts the liquid into micron-sized room temperature or warm mist and fills the fumigation cavity. Closed loop circulation and uniform delivery: the mist enters the mist delivery pipe under the action of slight positive pressure or circulating pump. Similar to the liquid unit, the mist delivery pipe flows through each negative pressure groove on the first fitting part in series, delivering the mist to each treatment unit.

[0025] Further, a plurality of second openings are formed on the outer sides of the infusion tube and the mist delivery tube, and a switch mechanism for opening and closing the second openings is arranged inside each second opening. The switch mechanism includes a movable tube rotatably connected to the infusion tube and the mist delivery tube. A first opening is formed on the movable tube, and the first opening corresponds to each second opening. A first gear ring is coaxially and fixedly connected to the outer side of the movable tube. The first gear ring engages a first gear, and the first gear is coaxially and fixedly connected to a second driving member. When the first opening coincides with the second opening, the movable tube is in communication with each negative pressure groove.

[0026] Beneficial effect: in the non-treatment or standby state, the first opening on the movable tube is in a misaligned state with the second opening on the wall of the infusion tube / mist delivery tube, and the wall is completely closed, so the liquid or mist cannot enter the negative pressure groove.

[0027] When it is necessary to deliver drugs to a specific negative pressure groove or a group of negative pressure grooves, an instruction is sent to the corresponding second driving member. The second driving member starts to drive the first gear fixedly connected thereto to rotate accurately.

[0028] The rotation of the first gear drives the first gear ring engaged therewith to rotate. Since the first gear ring is coaxially and fixedly connected to the movable tube, the movable tube rotates synchronously and accurately in the infusion tube / mist delivery tube.

[0029] The rotation of the movable tube causes the first opening thereon to gradually align with the target second opening on the wall. When the two are completely coincident, the switch at this position is in the "open" state. At this time, the liquid (through the infusion tube) or the mist (through the mist delivery tube) can flow into the corresponding negative pressure groove through this coincident opening, starting the penetration treatment of the local skin.

[0030] Further, it further comprises a collection unit, a control unit and an adjusting unit; the collection unit is used for collecting acupoint information of a joint of a patient; the control unit is used for inputting the collected acupoint information into an acupoint atlas data model constructed in advance, screening a corresponding position of a target acupoint, and controlling operation of the adjusting unit; and the adjusting unit is used for controlling negative pressure intensity and a drug dose in the negative pressure groove at the corresponding position based on an instruction of the control unit.

[0031] Beneficial effects: The TCM meridian acupoint theory is objectively quantified and accurately executed. It overcomes the subjectivity and instability of the traditional physiotherapy which completely relies on the personal experience of the practitioner to locate the acupoint and judge the stimulation amount, and ensures that the acupoint can be accurately treated each time, so that the essence of the TCM external treatment method can be standardized and repeatedly applied.

[0032] Further, it further comprises a detection mechanism; the detection mechanism comprises a plurality of detection cavities respectively connected to one side of the negative pressure grooves, a detection block is slidably connected in each detection cavity, a tension spring and a parallel plate capacitor are arranged between the detection block and the inner wall of the detection cavity; the parallel plate capacitor is used for monitoring the displacement of the detection block; the tension spring is used for providing the detection block with restoring potential energy; and the parallel plate capacitor is electrically connected with the control unit.

[0033] Beneficial effects: Each negative pressure groove maintains a dynamic connection with the external environment or a reference pressure source through a detection cavity. A slidable detection block is arranged in the detection cavity, one side of the detection block is connected with the fixed end of the cavity through a tension spring, and the other side directly or indirectly senses the pressure state in the negative pressure groove.

[0034] When negative pressure is established in the negative pressure groove and treatment is performed, the pressure state (absolute pressure value and fluctuation) in the groove acts on the detection block, overcomes the tension of the tension spring, and causes a slight displacement of the detection block.

[0035] The detection block displacement is linked with an electrode plate (moving electrode plate) of the parallel plate capacitor. The displacement of the detection block directly causes a change in the distance between the two electrode plates of the capacitor. According to the formula C=εS / d (where C is the capacitance, ε is the dielectric constant, S is the facing area of the electrode plate, and d is the distance between the electrode plates), a slight change in the distance d between the electrode plates will cause a significant and linear change in the capacitance C. The control unit compares the real-time capacitance signal (i.e. the pressure state signal) received with the preset safety range and treatment target value. If the signal shows that the pressure in a certain negative pressure groove is too low, the control unit can instruct the adjusting unit to enhance the negative pressure compensation for the groove.

[0036] Further, a rotating drum is arranged in each negative pressure groove, the rotating drum is rotatably connected to the outer side of the infusion pipe, a plurality of third openings are formed in the rotating drum, the third openings are misaligned with the second openings when the rotating drum is deflected by a preset angle, and a self-adapting sealing mechanism for automatically misaligning the third openings and the second openings based on the displacement distance of the detection block is arranged on the outer side of the rotating drum.

[0037] Beneficial effects: Through mechanical sensing and actuator, the system can perceive and immediately respond to the changes of the core parameter (negative pressure) in real time, and automatically take corrective measures. This ensures that the negative pressure acting on the tissue is stably maintained within the preset effective treatment window throughout the treatment period, regardless of fluctuations in drug input or skin conditions.

[0038] Further, the adaptive sealing mechanism comprises a bevel gear coaxially fixedly connected to the outside of the rotating drum; the bevel gear is engaged with a fifth bevel gear, the fifth bevel gear is coaxially fixedly connected with a transmission shaft, the other end of the transmission shaft is coaxially fixedly connected with a fourth bevel gear, the fourth bevel gear is engaged with a third bevel gear, the third bevel gear is coaxially fixedly connected with a rotating shaft, the other end of the rotating shaft is coaxially fixedly connected with a second bevel gear, the second bevel gear is engaged with a first bevel gear, the first bevel gear is coaxially fixedly connected with a take-up reel, the take-up reel is tensioned with a pull wire, one end of the pull wire is wound around the take-up reel, and the other end of the pull wire is fixedly connected with the detection block; a reset torsion spring is arranged in the take-up reel.

[0039] Beneficial effects: The automatic interruption mechanism can effectively prevent drug accumulation, skin overhydration or poor adhesion caused by excessive decay of local negative pressure, and eliminate the risk of liquid leakage. By dividing the drug delivery process into multiple short pulses and ensuring that each drug delivery is driven by effective negative pressure, the risk of ineffective retention of drugs under low negative pressure conditions is avoided. Each dose of drug can be delivered under optimal physical conditions, improving utilization.

[0040] A method for using an arthritis negative pressure infiltration treatment device, comprising the following steps:

[0041] S1: preparation before treatment, set the treatment parameters in the control unit according to the treatment needs, the patient takes a comfortable supine position, exposes the treatment joint, and cleans the local skin;

[0042] S2: joint positioning and adaptive fitting, place the patient's joint to be treated in the treatment channel of the carrier, scan the joint area, identify the acupoint information, then drive the first fitting part and the second fitting part to extend from the movable slot, slowly move towards the joint and apply uniform pressure;

[0043] S3: establishing and monitoring the basic treatment negative pressure, generating negative pressure in the pneumatic chamber, driving the transmission plate, and then synchronously driving all the piston plates in the negative pressure grooves to establish a uniform and stable basic treatment negative pressure in all the negative pressure grooves;

[0044] S4: precise fractional drug administration and treatment execution, the control unit instructs the corresponding switch mechanism in the drug delivery mechanism to act, aligns the first opening and the second opening on the infusion tube and the mist tube, and opens the drug path to the target negative pressure groove;

[0045] The circulating pump is started, and the constant-temperature medicine liquid in the medicine liquid cavity is pumped into the negative pressure groove of the second fitting part through the infusion tube;

[0046] The fumigation module is started, and the medicine liquid is converted into medicine mist, which is transported into the negative pressure groove of the first fitting part through the mist conveying tube;

[0047] The control unit controls the third driving member at the corresponding position to work based on the identified acupoint information, generates a magnetic field to attract the iron block, so that a targeted enhanced negative pressure higher than the basic value is generated in the negative pressure groove corresponding to the specific acupoint;

[0048] When the medicine liquid / mist perfusion causes the negative pressure to drop to a preset threshold value, the local drug delivery channel is automatically temporarily closed through the pure mechanical feedback of the self-adaptive sealing mechanism; after the negative pressure is supplemented and recovered by the suction mechanism, the channel is automatically reopened, forming a perfusion-suction cycle;

[0049] S5: treatment end and safety reset, after reaching the treatment time, stop drug delivery, control the first driving member to make the first fitting part and the second fitting part retreat and separate from the skin of the joint of the patient. BRIEF DESCRIPTION OF DRAWINGS

[0050] Figure 1 It is a three-dimensional structure schematic view of the arthritis negative pressure infiltration treatment device embodiment of the present application;

[0051] Figure 2 It is a three-dimensional structure schematic view of the arthritis negative pressure infiltration treatment device embodiment of the present application; Figure 1 It is a front view of the arthritis negative pressure infiltration treatment device;

[0052] Figure 3 It is a front view of the arthritis negative pressure infiltration treatment device; Figure 2 It is an A-A direction sectional view;

[0053] Figure 4 It is an A-A direction sectional view; Figure 3 It is a local enlarged schematic view at M;

[0054] Figure 5 It is a local enlarged schematic view at M; Figure 4 It is a local enlarged schematic view at N.

[0055] The reference signs in the drawings of the specification include: 1, carrier; 2, cover; 3, treatment channel; 101, liquid cavity; 102, fumigation cavity; 103, first driving piece; 104, first fitting part; 105, first movable slot; 201, second movable slot; 202, second fitting part; 203, pneumatic cavity; 204, piston column; 205, transmission plate; 206, connecting rod; 207, negative pressure slot; 208, piston plate; 209, third driving piece; 210, iron block; 211, second driving piece; 212, first gear; 213, first gear ring; 214, rotating drum; 215, movable pipe; 216, infusion pipe; 217, bevel gear ring; 218, first opening; 219, second opening; 220, third opening; 221, detection cavity; 222, detection block; 223, tension spring; 224, take-up wheel; 225, pull wire; 226, transmission shaft; 227, rotating shaft; 228, fourth bevel gear; 229, third bevel gear; 230, first bevel gear; 231, second bevel gear; 232, fifth bevel gear. DETAILED DESCRIPTION

[0056] The technical solutions of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0057] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0058] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0059] The specific embodiments will be described in detail below:

[0060] Example 1:

[0061] As attached Figure 1 -Appendix Figure 5 The image shows a negative pressure permeation therapy device for arthritis, comprising a carrier 1. Preferably, in this embodiment, it is mainly used for permeation therapy on the knee joint. The carrier 1 is equipped with casters at its bottom for easy movement. A cover 2 is rotatably connected to the carrier 1. A treatment channel 3 for accommodating the patient's lower limb is opened at the top of the carrier 1. A first movable groove 105 and a second movable groove 201 are respectively opened on the carrier 1 and the cover 2, both located on the treatment channel 3. A first fitting portion 104 and a second fitting portion 202 are slidably connected within the first movable groove 105 and the second movable groove 201, respectively. Preferably, an elastic layer is bonded and fixed to the inner side of both the first fitting portion 104 and the second fitting portion 202. The elastic layer can deform according to the joint contour to achieve a tight fit. The second fitting portion 202 mainly covers the top of the patient's knee joint, and the first fitting portion 104 mainly covers the bottom of the patient's knee joint.

[0062] Both the first fitting portion 104 and the second fitting portion 202 are provided with a first driving member 103. The first driving member 103 is used to drive the first fitting portion 104 or the second fitting portion 202 to fit against the patient's joint. In this embodiment, the first driving member 103 is a pneumatic piston structure. The pneumatic piston structure is existing technology, and its extension and contraction are controlled by air, which will not be described in detail here. (See attached diagram.) Figure 3 As shown, the first bonding part 104 and the second bonding part 202 are provided with a plurality of negative pressure grooves 207 on their inner sides. Each negative pressure groove 207 is connected to a suction mechanism for generating a uniform negative pressure in each negative pressure groove 207 and a drug delivery mechanism for introducing drugs into the negative pressure groove 207.

[0063] Specifically, the suction mechanism includes pneumatic cavities 203 respectively opened in the first fitting part 104 and the second fitting part 202. A transmission plate 205 is slidably fitted in each pneumatic cavity 203. Each pneumatic cavity 203 is connected to a power component for generating negative pressure. In this embodiment, the power component is a vacuum pump. A piston column 204 is slidably fitted in the communication path between the pneumatic cavity 203 and the power component. One end of each piston column 204 is fixedly connected to the side of the transmission plate 205 away from the negative pressure groove 207.

[0064] A connecting rod 206 is slidably connected between the pneumatic cavity 203 and the negative pressure groove 207. One end of the connecting rod 206 is fixedly connected to the transmission plate 205, and the other end of the connecting rod 206 is fixedly connected to the piston plate 208. The piston plate 208 is slidably engaged with the negative pressure groove 207.

[0065] The specific process is as follows: When the treatment begins, the power component (such as a vacuum pump) is activated, and gas is drawn from the pneumatic chamber 203 through the connecting pipe, causing the pressure inside the pneumatic chamber 203 to drop and form an initial negative pressure.

[0066] The generation of negative pressure in the pneumatic cavity 203 causes the slidingly fitted transmission plate 205 inside it to be attracted towards the center of the pneumatic cavity 203 and slide. The movement of the transmission plate 205 simultaneously drives two key components: one, the fixedly connected piston column 204 slides in the communication path, playing a role in dynamically adjusting the airflow channel and stabilizing the air path. The other, the fixedly connected connecting rod 206, in turn, drives the piston plate 208 at the other end of the connecting rod 206 to perform precise reciprocating or holding movement in the negative pressure groove 207.

[0067] When the power component is continuously working, through the above linkage mechanism, the piston plate 208 is driven to retract, thereby actively expanding the volume of the negative pressure groove 207 and actively generating and maintaining the required negative pressure environment inside the negative pressure groove 207 that is sealed and fitted to the skin.

[0068] Specifically, the medicine delivery mechanism includes a medicine liquid unit and a medicine mist unit. The medicine liquid unit is used to deliver medicine liquid to the negative pressure grooves 207 on the second fitting part 202. The medicine mist unit is used to deliver medicine mist to the negative pressure grooves 207 on the first fitting part 104.

[0069] The medicine liquid unit includes a medicine liquid cavity 101 opened in the carrier 1. The medicine liquid cavity 101 is communicated with a liquid delivery pipe 216. The liquid delivery pipe 216 sequentially passes through each negative pressure groove 207 in the second fitting part 202 and then converges into the medicine liquid cavity 101 again. The communication path between the medicine liquid cavity 101 and the liquid delivery pipe 216 is communicated with a circulating pump. A constant temperature module for maintaining the preset temperature of the medicine liquid is arranged in the medicine liquid cavity 101. In this embodiment, the constant temperature module is a prior art. The constant temperature module cooperates with a temperature sensor through a heater to heat or keep warm the medicine liquid in the cavity, so that it is accurately and stably maintained at the preset treatment temperature. This will not be described in detail herein.

[0070] The medicine mist unit includes a fumigation cavity 102 opened in the carrier 1. The fumigation cavity 102 is communicated with a mist delivery pipe. The mist delivery pipe sequentially passes through each negative pressure groove 207 in the first fitting part 104 and then converges into the fumigation cavity 102 again. A fumigation module for generating medicine mist is arranged in the fumigation cavity 102. In this embodiment, the fumigation module is a prior art. The fumigation module heats and vaporizes the medicine liquid in the fumigation cavity 102 through a heating rod, a heating pipe or the like, and then delivers the generated medicine steam to each negative pressure groove 207 in the first fitting part 104 through the mist delivery pipe.

[0071] Preferably, in combination with the above Figure 4 and the above Figure 5As shown, the infusion tube 216 and the mist tube are both provided with a plurality of second openings 219, and the inner side of the second openings 219 is provided with a switch mechanism for opening and closing the second openings 219; the switch mechanism comprises a movable tube 215 rotatably connected to the infusion tube 216 and the mist tube, that is, the infusion tube 216 and the mist tube are both rotatably connected with the movable tube 215, the movable tube 215 is provided with a plurality of first openings 218, the first openings 218 correspond to the second openings 219 one by one, and the outer side of the movable tube 215 is coaxially and fixedly connected with a first gear ring 213, the first gear ring 213 is engaged with a first gear 212, the first gear 212 is coaxially and fixedly connected with a second driving member 211, and the second driving member 211 is a micro servo motor; the second driving member 211 drives the first gear 212 to rotate, the first gear 212 drives the first gear ring 213 to rotate, the first gear ring 213 drives each movable tube 215 to rotate synchronously, until the first opening 218 coincides with the second opening 219, and the movable tube 215 communicates with each negative pressure groove 207. Preferably, in the embodiment, a sealing ring is installed between the negative pressure groove 207 and the pneumatic cavity 203, between the pneumatic cavity 203 and the power member, and between other components that need to be sealed, so as to ensure the sealing of each cavity.

[0072] The specific implementation process is as follows:

[0073] The operator pushes the carrier 1 to the treatment bed, and aligns the treatment channel 3 on the carrier 1 with the bed edge.

[0074] The pre-configured traditional Chinese medicine liquid for treatment is injected into the liquid cavity 101, the target temperature (such as 38℃) of the constant temperature module is set and started, and the liquid is preheated.

[0075] The corresponding liquid or water is injected into the fumigation cavity 102, and preparation is made for the generation of the medicine mist.

[0076] The patient takes a supine position, and the lower limb (such as the right knee) with arthritis is smoothly placed into the treatment channel 3 of the carrier 1, so that the knee joint is located in the area between the first fitting part 104 and the second fitting part 202.

[0077] The operator starts the first driving member 103 (a pneumatic piston structure).

[0078] The first driving member 103 drives the first fitting part 104 to slide and approach the patient's knee joint from the first movable groove 105 and the second fitting part 202 to slide and approach the patient's knee joint from the second movable groove 201 synchronously.

[0079] When the first attachment part 104 and the elastic layer inside the second attachment part 202 preliminarily contact the skin above and below the knee joint, the driving part continuously applies gentle and uniform pressure, causing the elastic layer to deform in accordance with the bone contour and soft tissue morphology of the knee joint, until the skin of the entire treatment area is fully and tightly sealed, providing a reliable sealing basis for the subsequent establishment of a negative pressure environment.

[0080] Start the power part (vacuum pump). The vacuum pump extracts air inside the first attachment part 104 and the pneumatic cavity 203 inside the second attachment part 202 through the pipeline, causing the pressure inside the cavity to drop.

[0081] The negative pressure generated in the pneumatic cavity 203 drives the transmission plate 205 to slide towards the center of the cavity. The movement of the transmission plate 205 drives all the piston plates 208 in the negative pressure grooves 207 through the connecting rod 206, causing precise and consistent displacement (retraction) of all the piston plates 208, thereby actively and synchronously generating negative pressure in all the negative pressure grooves 207. The negative pressure value in each negative pressure groove 207 is precisely stabilized within a predetermined range (such as -25kPa) and maintained throughout the treatment period.

[0082] The operator starts the second driving part 211 (micro servo motor) responsible for the switching mechanism of the infusion tube 216 and the mist tube. The motor drives the first gear 212 to rotate, driving the first gear ring 213 and the movable tube 215 to rotate, causing the first opening 218 on the movable tube 215 to align precisely with the second opening 219 on the tube wall, thereby opening the fluid path to all the negative pressure grooves 207.

[0083] The circulation pump of the liquid medicine unit is started. The liquid medicine at the target temperature flows out of the liquid medicine cavity 101, circulates through the infusion tube 216, and flows into each negative pressure groove 207 of the second attachment part 202 (covering the upper knee area) through the opened switch. The liquid medicine continuously and uniformly infiltrates and penetrates the skin above under the synergistic action of negative pressure and gravity.

[0084] The fumigation module of the medicine mist unit is started, which converts the liquid medicine into warm medicine mist. The medicine mist circulates through the mist tube and enters each negative pressure groove 207 of the first attachment part 104 (covering the lower knee area) through the opened switch. The medicine mist naturally floats in the groove and fully contacts and penetrates the skin below the joint.

[0085] In some other preferred embodiments, a collecting unit, a control unit and an adjusting unit are further included; the collecting unit is used to collect acupoint information of the patient's joint, and in the embodiment, the collecting unit is a plurality of micro high-resolution visual sensors integrated on the inner side of the first and second fitting parts 104 and 202; the control unit is used to input the collected acupoint information into the pre-constructed acupoint atlas data model, screen the corresponding positions of the target acupoints, and control the operation of the adjusting unit; the adjusting unit is used to control the negative pressure intensity and the drug dose in the corresponding position of the negative pressure groove 207 based on the instruction of the control unit. Specifically, the adjusting unit includes a plurality of iron blocks 210, the iron blocks 210 are in contact with the side of the transmission plate 205 away from the negative pressure groove 207, the iron blocks 210 are in one-to-one correspondence with the connecting rods 206, and in the embodiment, the connecting rods 206 are no longer fixedly connected with the transmission plate 205, one end of each connecting rod 206 away from the piston plate 208 is fixedly connected with the iron block 210 after penetrating through the transmission plate 205, and each connecting rod 206 is in sliding fit with the transmission plate 205. A plurality of third driving elements 209 are arranged on the side wall of the pneumatic chamber 203, the third driving elements 209 are electromagnets, the third driving elements 209 attract the iron blocks 210 by generating a magnetic field, the iron blocks 210 are displaced, and the connecting rods 206 and the piston plate 208 are moved to adjust (strengthen) the negative pressure intensity in the corresponding negative pressure groove 207.

[0086] In the embodiment, the negative pressure generated by the power element in the pneumatic chamber 203 is small, the negative pressure drives the transmission plate 205 to displace and further generates an initial negative pressure in each negative pressure groove 207, and the main role of the initial negative pressure is to exert a constant negative pressure on the surrounding area to ensure close fitting. For the acupoint core area, the corresponding third driving element 209 is driven to displace the iron block 210, and further generate a stronger negative pressure in the negative pressure groove 207 at the corresponding position to enhance the stimulation.

[0087] The specific implementation process is as follows: in the initial fitting stage of treatment, the micro high-resolution visual sensors (collecting unit) integrated on the inner side of the first and second fitting parts 104 and 202 are activated. These sensors quickly scan the area below the elastic layer that has been closely fitted with the skin, and capture the skin surface features of the joint part, such as texture, color, fine concave-convex, etc. The collected real-time image data is transmitted to the control unit.

[0088] The control unit is built-in with a pre-constructed acupoint atlas data model, which integrates the anatomical position relationship and characteristic data of standard acupoints around the knee joint (such as Heding, Xinyan, Yanglingquan, Yinlingquan, etc.).

[0089] The control unit compares, analyzes and matches the real-time collected joint local image information with the acupoint atlas model, intelligently identifies and screens one or more target acupoints (such as Xinyan acupoint) located in the current treatment area and their accurate corresponding positions on the fitting part.

[0090] Basic negative pressure establishment: same as the above embodiment 1, the power element (vacuum pump) is started, and a basic negative pressure value is generated in the pneumatic chamber 203. This negative pressure drives the transmission plate 205 to displace, and then through the linkage of the connecting rod 206-piston plate 208, a unified, gentle initial negative pressure environment is established in all the negative pressure grooves 207. This basic negative pressure mainly ensures the stable sealing fit of the whole treatment area with the device, and provides baseline treatment stimulation.

[0091] After the establishment of the basic negative pressure, the control unit starts the adjustment program for the identified target acupoint. The specific execution process is as follows:

[0092] The control unit sends instructions to the third driving element 209 (electromagnet) corresponding to the target acupoint, so that it generates a magnetic field under power.

[0093] The iron block 210 corresponding to the position of the electromagnet is attracted under the action of the magnetic field and has an additional displacement. Since the iron block 210 is fixedly connected with the piston plate 208 through the connecting rod 206 (the connecting rod 206 is in sliding fit with the transmission plate 205 at this time, and can move independently), the movement of the iron block 210 independently drives the connecting rod 206 and the piston plate 208 corresponding to the specific acupoint, so that an additional, larger amplitude retraction is generated on the original basic displacement.

[0094] The action causes the volume of the corresponding negative pressure groove 207 to further expand, thereby generating an enhanced negative pressure in the acupoint core area of the negative pressure groove 207 that is significantly higher than the surrounding area (for example, the basic negative pressure is-25kPa, and the acupoint area is enhanced to-35kPa).

[0095] Independent controllable: multiple electromagnets can be independently controlled, so that different intensities of enhanced negative pressure can be applied to the identified multiple acupoints simultaneously or as needed, to achieve precise stimulation of one acupoint.

[0096] While the drug delivery mechanism is delivering drugs in the "liquid up and mist down" mode, the local tissue of the acupoint area has a higher degree of hyperemia, capillary permeability, and blood perfusion than the surrounding area due to the effect of the enhanced negative pressure. This allows the drug liquid or mist delivered to the area to have stronger driving penetration force. At the same time, due to the enhanced negative pressure in the area, the amount of drug entering the negative pressure groove 207 of the area under the traction of the negative pressure is increased, achieving high-concentration, deep-targeted delivery and stimulation of drugs in the acupoint and meridian-related areas.

[0097] During the whole treatment process, the control unit can dynamically adjust the magnetic field strength (i.e. the displacement amount of the iron block 210) of each electromagnet based on the preset program or real-time feedback, thereby realizing programmed or adaptive adjustment of the intensity of acupoint targeted negative pressure stimulation.

[0098] In some other preferred embodiments, in combination with the above-mentioned embodiments, the iron block 210 is replaced by a permanent magnet, and the electromagnet is replaced by a solenoid. Figure 5The detection mechanism comprises a plurality of detection cavities 221 respectively connected to one side of the negative pressure grooves 207, detection blocks 222 are slidably connected in the detection cavities 221, tension springs 223 and parallel plate capacitors are arranged between the detection blocks 222 and the inner walls of the detection cavities 221, the parallel plate capacitors are composed of two parallel metal plates and are used for monitoring the displacement of the detection blocks 222, the two ends of the tension springs 223 are fixedly connected to the detection blocks 222 and the inner walls of the detection cavities 221, and the tension springs 223 are used for providing restoring potential energy for the detection blocks 222, and the parallel plate capacitors are electrically connected to the control unit.

[0099] Preferably, a rotating drum 214 is further arranged in each negative pressure groove 207, the rotating drum 214 is rotatably connected to the outside of the infusion pipe 216, a plurality of third openings 220 are formed in the rotating drum 214, the third openings 220 are misaligned with the second openings 219 when the rotating drum 214 is deflected by a preset angle, and a self-adapting sealing mechanism is arranged on the outside of the rotating drum 214 and is used for automatically misalign the third openings 220 and the second openings 219 based on the displacement distance of the detection blocks 222.

[0100] Specifically, the self-adapting sealing mechanism comprises a bevel gear ring 217 coaxially fixedly connected to the outside of the rotating drum 214, the bevel gear ring 217 is engaged with a fifth bevel gear 232, the fifth bevel gear 232 is coaxially fixedly connected with a transmission shaft 226, the other end of the transmission shaft 226 is coaxially fixedly connected with a fourth bevel gear 228, the fourth bevel gear 228 is engaged with a third bevel gear 229, the third bevel gear 229 is coaxially fixedly connected with a rotating shaft 227, the other end of the rotating shaft 227 is coaxially fixedly connected with a second bevel gear 231, the second bevel gear 231 is engaged with a first bevel gear 230, the first bevel gear 230 is coaxially fixedly connected with a take-up reel 224, a tension wire 225 is tensioned on the take-up reel 224, one end of the tension wire 225 is wound around the take-up reel 224, and the other end of the tension wire 225 is fixedly connected with the detection block 222; a reset torsion spring is arranged in the take-up reel 224 and is used for supporting the take-up reel 224 to reset.

[0101] In this embodiment, the control unit forms a "perfusion-suction" microcirculation by starting the programmed negative pressure suction. When the first opening 218, the second opening 219 and the third opening 220 are all coincident, the drug liquid / drug mist enters the negative pressure tank 207, which will gradually neutralize the negative pressure in each negative pressure tank 207, so as to reduce the negative pressure in the negative pressure tank 207. In order to ensure the stable sealing and fitting of the first fitting part 104 and the second fitting part 202 with the joint, the control unit collects the displacement change of each detection block 222 based on the parallel plate capacitor to judge the change of the negative pressure in each negative pressure tank 207. During the process of reducing the negative pressure in the negative pressure tank 207, the detection block 222 is reset upward under the action of the tension spring 223. At this time, under the action of the reset torsional spring built-in the take-up wheel 224, the take-up wheel 224 will slowly rotate. The rotation of the take-up wheel 224 drives the first bevel gear 230 to rotate, the rotation of the first bevel gear 230 drives the second bevel gear 231 to rotate, the rotation of the second bevel gear 231 drives the shaft 227 and the third bevel gear 229 to rotate, the rotation of the third bevel gear 229 drives the fourth bevel gear 228 to rotate, the rotation of the fourth bevel gear 228 drives the transmission shaft 226 and the fifth bevel gear 232 to rotate, the rotation of the fifth bevel gear 232 drives the bevel gear 217 to rotate, the rotation of the bevel gear 217 drives the rotating drum 214 to rotate, and then the second opening 219 and the third opening 220 are gradually out of position, so as to pause the downward trend of the negative pressure in the negative pressure tank 207. After a preset time, after the drug mist in the negative pressure tank 207 completes the penetration treatment, the control unit controls the power member to continue to move the transmission plate 205 to re-supply the lost negative pressure in each negative pressure tank 207. At this time, the detection block 222 will move again, and the pull wire 225 will be pulled to make the take-up wheel 224 rotate against the reset torsional spring. The reverse rotation of the take-up wheel 224 will be transmitted to the rotating drum 214 through the above-mentioned bevel gears again, so that the third opening 220 and the second opening 219 are re-coincident, and the drug mist / liquid can re-enter the negative pressure tank 207. Repeat the above process to circulate until the entire penetration treatment is completed.

[0102] The specific implementation process is as follows:

[0103] After the treatment starts, the fitting part is tightly fitted with the joint, and the suction mechanism establishes and maintains the basic negative pressure of each negative pressure tank 207.

[0104] The control unit opens the switch mechanism (the rotating tube 215 rotates) according to the program, so that the first and second openings 219 are aligned. At the same time, the self-adaptive sealing mechanism is in the initial state, and the third opening 220 of the rotating drum 214 is also aligned with the second opening 219 under the action of the reset torsional spring, and the drug liquid / drug mist delivery channel is completely opened.

[0105] The drug liquid or drug mist flows into the negative pressure tank 207 through the opened composite channel (the first, second and third openings 220 are coincident), and the penetration on the skin starts.

[0106] The inflow of the drug solution will occupy the volume of the negative pressure tank 207, neutralize part of the negative pressure, and cause the pressure (absolute value) in the tank to drop.

[0107] This pressure drop is sensed in real time by the detection mechanism: the pressure drop in the negative pressure tank 207 weakens the adsorption of the detection block 222 in the detection cavity 221 connected to the side of the tank. Under the action of the restoring force of the tension spring 223, the detection block 222 begins to displace towards the initial position of restoration.

[0108] The displacement of the detection block 222 changes the plate spacing or relative area of the parallel-plate capacitor formed by the detection block 222 and the inner wall of the detection cavity 221, thereby causing a change in the capacitance value. This change signal is transmitted in real time to the control unit as a direct physical quantity reflecting the change in the pressure in the corresponding negative pressure tank 207.

[0109] The displacement of the detection block 222 is not only electrically monitored, but also directly drives mechanical adjustment. The detection block 222 pulls the take-up wheel 224 through the pull wire 225.

[0110] As the negative pressure drops and the detection block 222 displaces, the pull wire 225 is relaxed. At this time, the pre-tightened return torsion spring in the take-up wheel 224 begins to release potential energy, driving the take-up wheel 224 to slowly rotate back to take up the pull wire 225.

[0111] The rotation of the take-up wheel 224 is converted in motion and direction through a set of precision bevel gear transmission chains (first bevel gear 230 → second bevel gear 231 → rotating shaft 227 / third bevel gear 229 → fourth bevel gear 228 → transmission shaft 226 / fifth bevel gear 232 → bevel gear ring 217), finally driving the rotating drum 214 to rotate.

[0112] The rotation of the rotating drum 214 causes the third opening 220 on it to gradually misalign with the second opening 219 on the tube wall, physically closing the path for the drug solution / drug mist to flow into the negative pressure tank 207. Drug delivery is paused.

[0113] After drug delivery is paused, the negative pressure tank 207 enters a "resting penetration period". The existing drug solution / drug mist in the tank continues to be absorbed and penetrated by the tissue under the driving of the remaining negative pressure and concentration gradient.

[0114] After a preset penetration time (or determined by the control unit according to the stability of the capacitance signal), the control unit instructs the power member to act again, supplementing the negative pressure in the negative pressure tank 207 that has been lost due to drug residence and possible micro-leakage, so that it returns to the set treatment level.

[0115] The restoration of negative pressure causes the pressure in the detection cavity 221 to again be lower than the outside (the absolute value of negative pressure increases), and the detection block 222 is adsorbed to displace in the opposite direction, re-tightening the pull wire 225.

[0116] The pull wire 225 overcomes the resistance of the reset torsion spring, pulls the take-up wheel 224 in the opposite direction, drives the rotating drum 214 in the reverse direction through the above-mentioned bevel gear transmission chain, makes the third opening 220 re-align with the second opening 219, and opens the drug liquid / drug mist flow path again, so that a new round of perfusion is started.

[0117] The cycle of "perfusion → negative pressure drop trigger monitoring → mechanical automatic closing of the path → static infiltration → active pressure compensation → mechanical automatic re-opening of the path → re-perfusion" is automatically and repeatedly performed during the entire treatment period.

[0118] Example 2:

[0119] The difference from example 1 is that a method for using an arthritis negative pressure infiltration treatment device is also provided, comprising the following steps:

[0120] S1: Preparation before treatment, check whether the device components, pipeline connection are intact, whether the power supply is normal. Inject the prepared treatment drug liquid into the drug liquid chamber 101, and inject the drug liquid or clean water into the fumigation chamber 102. According to the treatment needs, set the treatment parameters in the control unit, including the target negative pressure value, the total treatment time, the drug liquid temperature, and whether to enable the acupoint targeting mode. The patient takes a comfortable supine position, exposes the treatment joint, and cleans the local skin.

[0121] S2: Joint positioning and self-adaptive fitting, place the joint to be treated of the patient in the treatment channel 3 of the carrier 1 stably, and roughly position. Start the device. The control unit instructs the first driving part 103 to work, drives the first fitting part 104 and the second fitting part 202 to extend from the movable slot, slowly moves and applies uniform pressure to the joint, and self-adaptively tightly fits the skin surface above and below the joint through the elastic layer inside, forming a sealed treatment chamber. At the same time, scan the joint area and identify acupoint information.

[0122] S3: Establish and monitor the basic treatment negative pressure, the control unit starts the power part (vacuum pump) of the suction mechanism. The power part generates negative pressure in the pneumatic chamber 203, drives the transmission plate 205, and then drives all the piston plates 208 in the negative pressure grooves 207 to move synchronously through the linkage mechanism, to synchronously establish a unified and stable basic treatment negative pressure in all the negative pressure grooves 207.

[0123] S4: Precise form of drug administration and treatment execution, the control unit instructs the corresponding switch mechanism in the drug delivery mechanism to act (drives the movable pipe 215 to rotate), so that the first opening 218 and the second opening 219 on the infusion pipe 216 and the mist pipe are aligned, and the drug path to the target negative pressure groove 207 is opened;

[0124] The circulating pump is started, and the constant-temperature drug liquid in the drug liquid chamber 101 is pumped into the negative pressure groove 207 of the second fitting part 202 through the infusion pipe 216;

[0125] The fumigation module is started, and the medicinal liquid is converted into medicinal mist, which is delivered to the negative pressure groove 207 of the first adhering part 104 through the mist delivery pipe;

[0126] The control unit controls the third driving member 209 at the corresponding position to work based on the identified acupoint information, generates a magnetic field to attract the iron block 210, so as to generate a targeted enhanced negative pressure higher than the basic value in the negative pressure groove 207 corresponding to the specific acupoint;

[0127] When the medicinal liquid / mist perfusion causes the negative pressure to drop to a preset threshold value, the local drug delivery channel is automatically temporarily closed through the pure mechanical feedback of the self-adaptive sealing mechanism; after the negative pressure is supplemented and recovered by the suction mechanism, the channel is automatically reopened, forming a perfusion-suction cycle; the above drug delivery and negative pressure adjustment process continues under the management of the control unit until the preset total treatment time is reached. During this period, the medicinal liquid and the medicinal mist are circulated in the closed loop respectively, maintaining the stability of the drug concentration and temperature.

[0128] S5: treatment end and safety reset, after the treatment time is reached, the control unit executes in order:

[0129] Stop the drug delivery mechanism (close the circulating pump and the fumigation module).

[0130] Close all third driving members 209, close all drug channels (control the switch mechanism to rotate the movable pipe 215, close the alignment of the first opening 218 and the second opening 219).

[0131] Slowly control the power member to stop working, and gradually and gently release the negative pressure in the negative pressure groove 207 to atmospheric pressure. Control the first driving member 103 to make the first adhering part 104 and the second adhering part 202 retreat and separate from the joint skin of the patient.

[0132] The patient moves away the joint. The operator checks the skin condition of the treatment site, and cleans and disinfects the part of the device in contact with the skin for next use.

[0133] Obviously, the above embodiments are only examples for clearly illustrating, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, it is not necessary and impossible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An arthritic negative pressure infiltration treatment device, comprising a carrier (1), a cover (2) is rotatably connected on the carrier (1), characterized in that, The carrier (1) and the cover (2) are respectively provided with a first movable groove (105) and a second movable groove (201), the first movable groove (105) and the second movable groove (201) are respectively slidably connected with a first fitting part (104) and a second fitting part (202), the first fitting part (104) and the second fitting part (202) are both provided with a first driving part (103), the first driving part (103) is used for driving the first fitting part (104) or the second fitting part (202) to fit a joint of a patient; the first fitting part (104) and the second fitting part (202) are both provided with a plurality of negative pressure grooves (207), the negative pressure grooves (207) are all communicated with a suction mechanism used for generating a uniform negative pressure in each negative pressure groove (207) and a liquid feeding mechanism used for feeding liquid medicine into the negative pressure grooves (207).

2. The arthritic negative pressure infiltration treatment device according to claim 1, characterized in that, The suction mechanism comprises pneumatic cavities (203) provided in the first fitting part (104) and the second fitting part (202) respectively, the pneumatic cavities (203) are all slidably connected with transmission plates (205), the pneumatic cavities (203) are all communicated with power parts used for generating negative pressure; the pneumatic cavities (203) are all slidably connected with piston columns (204) in the communication paths with the power parts, one end of the piston column (204) is fixedly connected with the transmission plate (205) away from one side of the negative pressure groove (207); The pneumatic cavities (203) and the negative pressure grooves (207) are all slidably connected with connecting rods (206), one end of the connecting rod (206) is fixedly connected with the transmission plate (205), the other end of the connecting rod (206) is fixedly connected with a piston plate (208), the piston plate (208) is slidably connected with the negative pressure groove (207) respectively.

3. The arthritic negative pressure infiltration treatment device according to claim 2, characterized in that, The liquid feeding mechanism comprises a liquid medicine unit and a medicine mist unit, the liquid medicine unit is used for feeding liquid medicine into the negative pressure grooves (207) on the second fitting part (202); the medicine mist unit is used for feeding medicine mist into the negative pressure grooves (207) on the first fitting part (104).

4. The arthritic negative pressure infiltration treatment device according to claim 3, characterized in that, The liquid medicine unit comprises a liquid medicine cavity (101) provided in the carrier (1), the liquid medicine cavity (101) is communicated with a liquid feeding pipe (216), the liquid feeding pipe (216) sequentially passes through the negative pressure grooves (207) in the first fitting part (104) and then converges into the liquid medicine cavity (101) again, the liquid medicine cavity (101) and the liquid feeding pipe (216) are communicated with a circulating pump in the communication path; the liquid medicine cavity (101) is provided with a constant temperature module used for maintaining a preset temperature of the liquid medicine; the medicine mist unit comprises a fumigation cavity (102) provided in the carrier (1), the fumigation cavity (102) is communicated with a mist feeding pipe, the mist feeding pipe sequentially passes through the negative pressure grooves (207) in the second fitting part (202) and then converges into the fumigation cavity (102) again, the fumigation cavity (102) is provided with a fumigation module used for generating medicine mist.

5. The arthritic negative pressure infiltration treatment device according to claim 4, characterized in that, The infusion tube (216) and the mist tube are provided with a plurality of second openings (219) on the outer side, and the inner side of the second opening (219) is provided with a switch mechanism for opening and closing the second opening (219); the switch mechanism comprises a movable tube (215) rotatably connected in the infusion tube (216) and the mist tube, the movable tube (215) is provided with a first opening (218), the first opening (218) corresponds to the second opening (219), and the outer side of the movable tube (215) is further coaxially and fixedly connected with a first gear ring (213); the first gear ring (213) is engaged with a first gear (212), and the first gear (212) is coaxially and fixedly connected with a second driving member (211); when the first opening (218) coincides with the second opening (219), the movable tube (215) communicates with each negative pressure groove (207).

6. The arthritic negative pressure infiltration treatment device according to claim 5, characterized in that, Also comprising a collection unit, a control unit and an adjusting unit; the collection unit is used for collecting acupoint information of the patient's joint; the control unit is used for inputting the collected acupoint information into the acupoint atlas data model constructed in advance, screening the corresponding position of the target acupoint, and controlling the operation of the adjusting unit; the adjusting unit is used for controlling the negative pressure intensity and the drug dose in the corresponding position of the negative pressure groove (207) based on the instruction of the control unit.

7. The arthritic negative pressure infiltration treatment device according to claim 6, characterized in that, Also comprising a detection mechanism; the detection mechanism comprises a plurality of detection cavities (221) respectively communicated with one side of the negative pressure groove (207), a detection block (222) is slidably connected in each detection cavity (221), a tension spring (223) and a parallel plate capacitor are arranged between the detection block (222) and the inner wall of the detection cavity (221); the parallel plate capacitor is used for monitoring the displacement of the detection block (222); the tension spring (223) is used for providing the detection block (222) with restoring potential energy; the parallel plate capacitor is electrically connected with the control unit.

8. The arthritic negative pressure infiltration treatment device according to claim 7, characterized in that, Each negative pressure groove (207) is further provided with a rotating drum (214), the rotating drum (214) is rotatably connected with the outer side of the infusion tube (216), a plurality of third openings (220) are formed in the rotating drum (214), and the third openings (220) are misaligned with the second openings (219) when the rotating drum (214) is deflected by a preset angle. The outer side of the rotating drum (214) is provided with a self-adapting sealing mechanism for automatically misaligning the third openings (220) and the second openings (219) based on the displacement distance of the detection block (222).

9. The arthritic negative pressure infiltration treatment device of claim 8, wherein, The adaptive closing mechanism comprises a bevel gear (217) coaxially fixedly connected to the outside of the rotating drum (214); the bevel gear (217) is engaged with a fifth bevel gear (232), the fifth bevel gear (232) is coaxially fixedly connected with a transmission shaft (226), the other end of the transmission shaft (226) is coaxially fixedly connected with a fourth bevel gear (228), the fourth bevel gear (228) is engaged with a third bevel gear (229), the third bevel gear (229) is coaxially fixedly connected with a rotating shaft (227), the other end of the rotating shaft (227) is coaxially fixedly connected with a second bevel gear (231), the second bevel gear (231) is engaged with a first bevel gear (230), the first bevel gear (230) is coaxially fixedly connected with a take-up reel (224), the take-up reel (224) is tensioned with a pull wire (225), one end of the pull wire (225) is wound around the take-up reel (224), and the other end of the pull wire (225) is fixedly connected with a detection block (222); the take-up reel (224) is provided with a reset torsional spring.

10. A method of using an arthritic negative pressure infiltration treatment device based on the arthritic negative pressure infiltration treatment device according to any one of claims 1-9, characterized in that, The method comprises the following steps: S1: preparation before treatment, set the treatment parameters in the control unit according to the treatment needs, the patient takes a comfortable supine position, exposes the treatment joint, and cleans the local skin; S2: joint positioning and adaptive fitting, place the joint to be treated of the patient in the treatment channel (3) of the carrier (1) stably, scan the joint area, identify the acupoint information, then drive the first fitting part (104) and the second fitting part (202) to stretch out from the movable slot, slowly move towards the joint and apply uniform pressure; S3: establishing and monitoring the basic treatment negative pressure, generate negative pressure in the pneumatic cavity (203), drive the transmission plate (205), and then make the piston plates (208) in all negative pressure grooves (207) move synchronously, and establish the basic treatment negative pressure in all negative pressure grooves (207) synchronously; S4: precise fractional drug administration and treatment execution, the control unit instructs the corresponding switch mechanism in the drug delivery mechanism to act, so that the first opening (218) and the second opening (219) on the liquid delivery pipe (216) and the mist delivery pipe are aligned, and the drug path to the target negative pressure groove (207) is opened; Pump the constant-temperature liquid medicine in the liquid medicine cavity (101) into the negative pressure groove (207) of the second fitting part (202) through the liquid delivery pipe (216); Convert the liquid medicine into medicine mist, and deliver the medicine mist into the negative pressure groove (207) of the first fitting part (104) through the mist delivery pipe; The control unit controls the third driving part (209) at the corresponding position to work based on the identified acupoint information, generates a magnetic field to attract the iron block (210), so as to generate a targeted enhanced negative pressure higher than the basic value in the negative pressure groove (207) corresponding to the specific acupoint; When the liquid medicine / medicine mist perfusion causes the negative pressure to drop to a preset threshold value, the local drug delivery path is automatically temporarily closed through the pure mechanical feedback of the adaptive closing mechanism; after the suction mechanism restores the negative pressure, the path is automatically reopened, forming a perfusion-suction cycle; S5: treatment end and safety reset, after the treatment time is reached, stop drug delivery, control the first driving part (103), and make the first fitting part (104) and the second fitting part (202) retreat and separate from the skin of the joint of the patient.

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