A negative pressure therapy device

Abstract

The utility model discloses a kind of negative pressure treatment devices, it is related to medical instrument and rehabilitation technical field.The utility model includes negative pressure handle, detachably connected with negative pressure cup body at the bottom of negative pressure handle, and top end is equipped with electrical mixed pipeline, negative pressure cup body bottom circumferential surface is equipped with negative pressure ring, negative pressure ring is equipped with negative pressure mouth between negative pressure cup body bottom surface, negative pressure handle inside is equipped with negative pressure pipeline, negative pressure handle inside is equipped with vibration motor, negative pressure pipeline bottom end is communicated with negative pressure mouth, and another end is connected with electrical mixed pipeline, electrical mixed pipeline is equipped with instrument body away from the one end of negative pressure handle, instrument body is built-in with control unit, and is equipped with solenoid valve, solenoid valve is electrically connected with negative pressure pump.The utility model is lifted to the skin of patient and carries out vibration, for blocked lymphatic fluid to carry out active drainage, and can be aimed at patient's condition Suction adjustment, while to lymphatic fluid blocked passage carries out line dredging, improve dredging treatment effect.

Description

Technical Field

[0001] This utility model belongs to the field of medical device and rehabilitation technology, and specifically relates to a negative pressure therapy device. Background Technology

[0002] Lymphatic vessels are part of the human lymphatic system, primarily responsible for transporting lymph fluid, a liquid containing proteins, fats, metabolic waste, and immune cells. Lymph fluid circulates in the lymphatic and venous systems to maintain the body's immune function and fluid balance. After surgery, surgical trauma can lead to local tissue fibrosis and scar tissue formation. This scar tissue can compress lymphatic vessels, obstructing lymphatic circulation and causing lymphedema. Therefore, appropriate treatment is needed to restore lymphatic circulation.

[0003] The patent specification with announcement number CN219022536U discloses an intelligent lymphatic drainage device, including an air wave pressure therapy device. The air wave pressure therapy device is connected to four air bags. The air wave pressure therapy device is provided with several connecting tubes. Each of the four air bags is provided with three pressure air bags. The several connecting tubes are connected to the pressure air bags through quick connectors. Several massage protrusions are provided on the inner side of the air bags.

[0004] This type of drainage device compresses the edematous area by binding and constricting the patient's limbs at specific points, thereby forcing lymphatic fluid to flow back, eliminating the patient's accumulated lymphatic fluid, and restoring lymphatic circulation. However, this technique has several shortcomings. First, both the air wave pressure therapy device supplying air to the airbag and the existing bandage therapy involve active compression of the edematous area. Since the patient's lymphatic system remains obstructed, there is a risk of edema recurring after the compression is relieved. In other words, while compression-based lymphatic drainage is used to clear the edematous area, it cannot effectively loosen the soft tissue in the edematous area. Furthermore, since lymphatic drainage is part of the body's fluid circulation, lymphatic obstruction is not a single-point obstruction. However, the treatment site cannot be quickly changed during compression therapy, meaning this type of compression therapy cannot easily track and clear the drainage path.

[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0006] The purpose of this utility model is to provide a negative pressure therapy device, and the technical problem to be solved is as follows: When using existing lymphatic drainage therapy devices, it is impossible to actively loosen the soft tissue of the edematous area of ​​the patient, and it is inconvenient to track and clear the obstructed lymphatic fluid circuit during the drainage process, resulting in poor drainage effect.

[0007] The objective of this utility model can be achieved through the following technical solutions:

[0008] A negative pressure therapy device includes a negative pressure handle, a negative pressure cup body detachably connected to the bottom of the handle, and an electrical mixing circuit installed at the top. A negative pressure ring is installed on the circumferential side of the bottom of the negative pressure cup body, and a negative pressure port is provided between the negative pressure ring and the bottom surface of the negative pressure cup body. A negative pressure circuit is installed inside the negative pressure handle, and a vibration motor is installed inside the handle. The bottom end of the negative pressure circuit is connected to the negative pressure port, and the other end is connected to the electrical mixing circuit. An instrument body is installed at the end of the electrical mixing circuit away from the negative pressure handle. The instrument body has a built-in control unit and a solenoid valve. The solenoid valve is electrically connected to a negative pressure pump. The solenoid valve is used to control the on / off state of the negative pressure pump and to perform pulsed air inhalation at the negative pressure port. The vibration motor is used to cooperate with the pulsed air inhalation to act on the patient's skin.

[0009] As a further embodiment of this utility model: a right-angle slot is provided on one side of the top of the negative pressure cup body, and a rotating buckle is provided on the inner side of the negative pressure handle to fit the right-angle slot. The right-angle slot is connected to the rotating buckle. A filter element is installed on the top of the negative pressure cup body, and an inner sealing ring is installed on the circumferential side. The bottom end of the negative pressure pipeline is connected to the top of the filter element, and the filter element is connected to the negative pressure port.

[0010] As a further embodiment of this utility model: a negative pressure interface is installed on one side of the instrument body, the negative pressure interface is connected to one end of the electrical mixing pipeline, the electrical mixing pipeline includes an air passage and a multi-core conductive wire, and the air passage is connected between the negative pressure pipeline and the negative pressure interface.

[0011] As a further embodiment of this utility model: a negative pressure sensor is installed in the middle of the negative pressure pipeline, a negative pressure monitoring tube is installed on one side of the negative pressure sensor, a fastening pipe clamp is installed between the negative pressure sensor and the negative pressure monitoring tube, and the negative pressure sensor and the vibration motor are both electrically connected to a multi-core conductive wire.

[0012] As a further embodiment of this utility model: an oil separator is installed inside the instrument body, the oil separator is connected to the negative pressure interface, and the side of the oil separator away from the negative pressure interface is connected to the solenoid valve.

[0013] As a further embodiment of this utility model: a proportional solenoid valve is connected to one side of the solenoid valve, and the negative pressure pump is connected to the proportional solenoid valve.

[0014] The beneficial effects of this utility model are:

[0015] 1. By installing a negative pressure ring at the bottom of the negative pressure cup body, a negative pressure port is formed after it fits against the patient's epidermis. A negative pressure handle is installed at the top of the negative pressure cup body, and a negative pressure pipeline is installed inside the negative pressure handle. The negative pressure pipeline is connected to an external electrical hybrid pipeline, which in turn is connected to the negative pressure interface of the instrument body. The negative pressure interface connects to a solenoid valve and a negative pressure pump. The solenoid valve and the negative pressure pump are controlled by a control unit. When the negative pressure pump is started under control, the solenoid valve creates a pulsed negative pressure environment at the negative pressure port by periodically opening and closing the air passage. In conjunction with the vibration motor built into the negative pressure cup body, a pulsed lifting effect is achieved on the patient's epidermis, thereby loosening the soft tissue at the location of lymphatic obstruction and helping it to restore its own activity. The purpose is to avoid damaging the soft tissue at the location of lymphatic fluid through strong squeezing in existing technologies and to achieve the active drainage function of lymphatic fluid return.

[0016] Furthermore, by installing a negative pressure sensor inside the negative pressure cup and a proportional solenoid valve between the negative pressure pump and the solenoid valve, the negative pressure sensor can transmit the electrical signal of the negative pressure value inside the negative pressure handle back to the control unit via an electrical mixing pipeline. The proportional solenoid valve, based on the solenoid valve's control of the airflow path, can perform gradient control of the airflow intensity in the airflow path. Therefore, during actual treatment, the suction intensity can be adjusted according to the actual obstruction of the patient's lymphatic fluid. The technical advantage lies in the fact that, compared to uniform compression therapy, the treatment mode with quantified negative pressure values ​​can achieve targeted adjustments based on the patient's condition, thereby improving the actual treatment effect.

[0017] 2. When performing negative pressure suction using a negative pressure ring, the lymphatic fluid drainage mode changes from the existing fixed-point squeezing to closed suction. Therefore, the user can move and drain the circulating fluid pathways near the site of lymphatic fluid obstruction by holding the negative pressure handle. That is, while restoring the main position of the lymphatic fluid obstruction, the obstructed lymphatic fluid pathways are also repaired. This allows the lymphatic fluid to enter the lymphatic fluid circulation process more quickly after flowing back into the lymphatic vessels, thereby improving the lymphatic fluid drainage treatment effect. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a partial cross-sectional view of the present invention;

[0021] Figure 3 This is a partial structural diagram of the negative pressure cup body of this utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the instrument body of this utility model.

[0023] In the diagram: 1. Negative pressure ring; 2. Negative pressure cup body; 3. Negative pressure handle; 4. Electrical mixing pipeline; 5. Negative pressure pipeline; 6. Negative pressure sensor; 7. Negative pressure monitoring tube; 8. Fastening clamp; 9. Vibration motor; 10. Inner sealing ring; 11. Filter element; 12. Negative pressure interface; 13. Oil separator; 14. Proportional solenoid valve; 15. Solenoid valve; 16. Negative pressure pump; 17. Lithium battery. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0025] like Figures 1 to 4 As shown, a negative pressure therapy device includes a negative pressure handle 3, a negative pressure cup body 2 detachably connected to the bottom of the negative pressure handle 3, and an electrical mixing pipeline 4 installed at the top. A negative pressure ring 1 is installed on the periphery of the negative pressure cup body 2, and a negative pressure port is provided between the negative pressure ring 1 and the bottom surface of the negative pressure cup body 2. A negative pressure pipeline 5 is installed inside the negative pressure handle 3, and a vibration motor 9 is installed on one side of the negative pressure pipeline 5 inside the negative pressure handle 3. The bottom end of the negative pressure pipeline 5 is connected to the negative pressure port, and the other end is connected to the electrical mixing pipeline 4. An instrument body is installed at the end of the electrical mixing pipeline 4 away from the negative pressure handle 3. The instrument body has a built-in control unit and a built-in solenoid valve 15. The solenoid valve 15 is electrically connected to a negative pressure pump 16. The solenoid valve 15 is controlled by the control unit to control the on / off state of the negative pressure pump 16 and is used to perform pulsed air inhalation along the negative pressure pipeline 5 to the negative pressure port. The vibration motor 9 works in conjunction with the pulsed air inhalation to act on the patient's epidermis.

[0026] It should be noted that the negative pressure ring 1 is a rubber ring that is fastened to the bottom of the negative pressure cup body 2 by an inner ring buckle, and the bottom end extends to the bottom of the negative pressure cup body 2. Therefore, when it is in contact with the patient's epidermis, if negative pressure is performed, a negative pressure environment can be formed between the ring and the patient's skin. This negative pressure environment is controlled by the pulse control signal of the solenoid valve 15, thereby forming a pulsed negative pressure treatment state. In addition to the built-in control unit controlling the solenoid valve 15 and other electrical components, the instrument body preferably has a touch screen display on the operating surface, which makes it convenient for staff to adjust treatment parameters such as pulse frequency.

[0027] A right-angle slot is provided on one side of the top of the negative pressure cup body 2 (see...) Figure 3The negative pressure handle 3 has a right-angle slot with a rotating buckle (not shown) on the inside. The right-angle slot is connected to the rotating buckle. The top of the negative pressure cup 2 is equipped with a filter element 11, and the circumferential side is equipped with an inner sealing ring 10. The bottom of the negative pressure pipeline 5 is connected to the top of the filter element 11, and the filter element 11 is connected to the negative pressure port.

[0028] It should be noted that after the negative pressure pump 16 is started, the negative pressure pipeline 5 inside the negative pressure handle 3 is connected to the electrical mixing pipeline 4. The suction force of the negative pressure pump 16 is then transmitted from the electrical mixing pipeline 4 to the negative pressure pipeline 5 inside the negative pressure handle 3. The bottom end of the negative pressure pipeline 5 is in contact with the filter element 11, and the bottom end of the filter element 11 is connected to the negative pressure port. A negative pressure ring 1 is provided on the periphery of the negative pressure port. The start of the negative pressure pump 16 will drive the negative pressure pipeline 5 to attract the top of the filter element 11 and form a micro-negative pressure at the negative pressure port inside the negative pressure ring 1, thus generating a negative pressure passage. In this passage, the suction process will adsorb a certain amount of dust, patient skin flakes and other debris. Therefore, the filter element 11 is used to trap this debris, thus protecting the internal electrical components of the device. Since the negative pressure cup body 2 and the negative pressure handle 3 can be easily disassembled and assembled through rotating buckles and right-angle slots, the filter element 11 can be easily replaced after a period of use, thereby achieving long-term protection of the instrument's internal components.

[0029] A negative pressure interface 12 is installed on one side of the instrument body. The negative pressure interface 12 is connected to one end of the electrical mixing pipeline 4. The electrical mixing pipeline 4 includes an air passage and a multi-core conductive wire. The air passage is connected between the negative pressure pipeline 5 and the negative pressure interface 12.

[0030] A negative pressure sensor 6 is installed in the middle of the negative pressure pipeline 5, a negative pressure monitoring tube 7 is installed on one side of the negative pressure sensor 6, a fastening clamp 8 is installed between the negative pressure sensor 6 and the negative pressure monitoring tube 7, a lithium battery 17 is installed inside the instrument body, and the negative pressure sensor 6 and the vibration motor 9 are both electrically connected to the multi-core conductive wire.

[0031] It should be noted that the fastening clamp 8 is used to tighten the negative pressure sensor 6 and the negative pressure monitoring tube 7 to avoid damage to the negative pressure sensor 6 by the vibration motor 9;

[0032] While the instrument body controls the airway through the air passage, it also needs to collect information from the handheld part to monitor the treatment status in real time. The electrical hybrid pipeline 4 connects the negative pressure pipeline 5 and the negative pressure interface 12 through the air passage to form an airway between the handheld part and the control unit. At the same time, it supplies power to the electrical components in the negative pressure handle 3 through the lithium battery 17 and the multi-core conductive wire, and provides a data communication path between the negative pressure sensor 6 and the instrument body. Therefore, after the negative pressure sensor 6 is powered, the pressure change generated during the negative pressure suction process is captured by the negative pressure monitoring tube 7 and transmitted back to the sensitive element of the negative pressure sensor 6 through the pipeline. The negative pressure sensor 6 then uses the multi-core conductive wire to transmit the negative pressure value back to the control unit of the instrument body. The staff can then adjust the treatment parameters by transmitting the information.

[0033] A wire clamp is installed between the top of the negative pressure handle 3 and the electrical mixing pipeline 4 to seal the connection of the electrical mixing pipeline 4, so as to prevent the suction gas from leaking from the wiring connection at the top of the negative pressure handle 3 and affecting the negative pressure suction.

[0034] The lithium battery 17 is used as a backup power source.

[0035] An oil separator 13 is installed inside the instrument body. The oil separator 13 is connected to the negative pressure port 12. The side of the oil separator 13 away from the negative pressure port 12 is connected to the solenoid valve 15.

[0036] It should be noted that after the filter element 11 installed inside the negative pressure cup body 2 performs the initial filtration of the suction gas, it will be transmitted back to the negative pressure interface 12 along the electrical mixing pipeline 4, and then transmitted from the negative pressure interface 12 to the oil separator 13. The oil separator 13 is used for secondary filtration of the suction gas to remove residual oil and other impurities on the patient's skin, thus avoiding damage to the internal solenoid valve 15 after secondary filtration.

[0037] Preferably, the side of the solenoid valve 15 away from the oil separator 13 is connected to the proportional solenoid valve 14, and the negative pressure pump 16 is connected to the proportional solenoid valve 14.

[0038] It should be noted that the solenoid valve 15 is used to control the gas path of the negative pressure pump 16. A proportional solenoid valve 14 is installed between the solenoid valve 15 and the negative pressure pump 16. When the operator controls the proportional solenoid valve 14 with the help of the control unit, the opening degree of the valve inside the proportional solenoid valve 14 can be controlled by electrical signal. In conjunction with the negative pressure value returned by the negative pressure sensor 6, the gas negative pressure value can be precisely controlled. This, together with the on / off control of the solenoid valve 15, sets a negative pressure pulse mode with a suction pressure intensity suitable for the patient's treatment.

[0039] The working principle of this utility model:

[0040] First, separate the negative pressure cup body 2 and the negative pressure handle 3 through the right angle slot, and install the filter element 11 inside the negative pressure cup body 2. Then reconnect the negative pressure cup body 2 and the negative pressure handle 3.

[0041] The negative pressure ring 1 was disinfected with medical alcohol swabs, and the patient was instructed to assume a suitable treatment position. Then, the instrument was turned on and completed the self-test. The staff then used the touch screen on the instrument to select the appropriate treatment mode for the patient.

[0042] Specifically, the treatment modes are divided into pulse suction mode and continuous suction mode. The pulse suction mode promotes lymphatic drainage by periodically switching the suction process on and off, while the continuous suction mode loosens soft tissues by long-term suction.

[0043] Taking lymphatic drainage as an example, after setting the mode to pulse suction mode, select the negative pressure value required for treatment, and set the pulse cycle and pulse suction ratio. That is, the negative pressure value is fed back by the negative pressure sensor 6, the pulse cycle is controlled by the solenoid valve 15, and the pulse suction ratio is controlled by the proportional solenoid valve 14, so as to achieve targeted treatment for the patient. If the patient's lymphatic edema is more severe, the vibration motor 9 is started for auxiliary treatment.

[0044] After setup, the negative pressure pump 16 starts, drawing gas along the negative pressure interface 12 to the electrical mixing line 4, and finally into the negative pressure line 5. The negative pressure line 5 draws in the filter element 11, creating a negative pressure environment at the negative pressure ring 1 installed at the bottom of the negative pressure cup 2 and in contact with the patient's skin. This negative pressure pulls on the anchor wires of the patient's skin and lymphatic capillaries, widening the intercellular spaces of the lymphatic capillary endothelial cells. This process promotes the entry of tissue fluid into the lymphatic capillaries, activates the lymphatic system, and loosens soft tissue. The activation of the pulse function causes the negative pressure port to... The negative pressure is in a pulsed state, which, when transmitted to the patient's epidermis, manifests as the patient's epidermis in a periodic contraction and expansion state, achieving dynamic traction on the patient's epidermis. This is more in line with the dynamic working state of the human lymphatic system. The resulting lymphatic drainage effect, compared with the existing static compression, is more conducive to the recovery of soft tissue activity, allowing lymph fluid to automatically return to the body fluid circulation process, thereby improving the drainage effect. Moreover, after the vibration is turned on, the negative pressure cup 2 connected to the negative pressure handle 3 vibrates together, promoting the lymph fluid to return to the circulation pathway more quickly.

[0045] In addition, during treatment, the handheld suction mode is used, which allows for continuous and repeated unblocking of the lymphatic fluid circulation points that are obstructed. The purpose is to avoid fixed-point treatment of the obstructed fluid points and to achieve the function of tracking, unblocking and draining the obstructed lymphatic fluid channels.

[0046] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A negative pressure therapy device, comprising a negative pressure handle (3), characterized in that, The bottom of the negative pressure handle (3) is detachably connected to a negative pressure cup body (2), and an electrical mixing pipe (4) is installed at the top. A negative pressure ring (1) is installed on the bottom periphery of the negative pressure cup body (2). A negative pressure port is provided between the negative pressure ring (1) and the bottom surface of the negative pressure cup body (2). A negative pressure pipe (5) is installed inside the negative pressure handle (3). A vibration motor (9) is installed inside the negative pressure handle (3). The bottom end of the negative pressure pipe (5) is connected to the negative pressure port, and the other end... The instrument body is connected to the electrical hybrid conduit (4), and the end of the electrical hybrid conduit (4) away from the negative pressure handle (3) is equipped with an instrument body. The instrument body has a built-in control unit and is equipped with a solenoid valve (15). The solenoid valve (15) is electrically connected to a negative pressure pump (16). The solenoid valve (15) is used to control the on / off state of the negative pressure pump (16) and to perform pulsed inhalation on the negative pressure port. The vibration motor (9) is used to cooperate with the pulsed inhalation to act on the patient's skin.

2. The negative pressure therapy device according to claim 1, characterized in that, The negative pressure cup body (2) has a right-angle slot on one side of its top. The negative pressure handle (3) has a rotating buckle on the inside side that is adapted to the right-angle slot. The right-angle slot is connected to the rotating buckle. A filter element (11) is installed at the top of the negative pressure cup body (2), and an inner sealing ring (10) is installed on the circumferential side. The bottom end of the negative pressure pipeline (5) is connected to the top end of the filter element (11), and the filter element (11) is connected to the negative pressure port.

3. The negative pressure therapy device according to claim 2, characterized in that, A negative pressure interface (12) is installed on one side of the instrument body. The negative pressure interface (12) is connected to one end of the electrical hybrid pipeline (4). The electrical hybrid pipeline (4) includes an air passage and a multi-core conductive wire. The air passage is connected between the negative pressure pipeline (5) and the negative pressure interface (12).

4. The negative pressure therapy device according to claim 3, characterized in that, A negative pressure sensor (6) is installed in the middle of the negative pressure pipeline (5), and a negative pressure monitoring tube (7) is installed on one side of the negative pressure sensor (6). A fastening clamp (8) is installed between the negative pressure sensor (6) and the negative pressure monitoring tube (7). The negative pressure sensor (6) and the vibration motor (9) are both electrically connected to the multi-core conductive wire.

5. A negative pressure therapy device according to claim 3, characterized in that, An oil separator (13) is installed inside the instrument body. The oil separator (13) is connected to the negative pressure port (12). The side of the oil separator (13) away from the negative pressure port (12) is connected to the solenoid valve (15).

6. The negative pressure therapy device according to claim 1, characterized in that, A proportional solenoid valve (14) is connected to one side of the solenoid valve (15), and the negative pressure pump (16) is connected to the proportional solenoid valve (14).

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