Intelligent infusion pressurized hemostasis device and its use method

Abstract

The present invention relates to an intelligent infusion pressurized hemostasis device and a method of using the same for use in the medical field. The device can simultaneously meet the functional requirements of air pressure hemostasis and infusion pressurization through a multi-channel setting, thereby effectively reducing the idle rate of the equipment in the operating room, and can automatically identify tourniquets and specifications and models. In this way, when medical staff select tourniquets of different specifications according to the patient's age, body shape, and physical condition, the device can provide adaptive hemostasis pressure according to the size of the tourniquet, thereby effectively meeting the precise hemostasis requirements. In addition, an autonomous voltage stabilizer is added for voltage stabilization, so that during the hemostasis process, the volume can be adjusted instead of the air pump for voltage stabilization, effectively reducing the frequency of use of the air pump, extending its service life, and effectively reducing noise. Moreover, the autonomous voltage stabilizer can also filter the gas during the infusion pressurization process and can self-clean during pressure relief.

Description

Technical Field

[0001] The present invention relates to an intelligent infusion pressurized hemostasis device and a method of using the same, and in particular to an intelligent infusion pressurized hemostasis device applied in the medical field and a method of using the same. Background Art

[0002] During routine surgeries in medical institutions, maintaining a clear surgical field of view is crucial for both safety and success. Therefore, temporarily blocking blood flow to the limbs to maintain a clear surgical field of view is essential during limb surgery. Currently, clinical procedures often utilize manual or electric pneumatic tourniquets to achieve basic limb hemostasis.

[0003] At present, there are many kinds of electric hemostatic devices on the market, such as an electric pneumatic tourniquet with publication number CN102178554B, and an electric pneumatic hemostatic device with dual-channel independent timing function with publication number CN217285949U. Although both have the function of pressure monitoring, their functions are single and only suitable for limb hemostasis during limb surgery, but not suitable for non-limb surgery with a higher volume of surgeries in hospitals. The idle rate of existing electric pneumatic tourniquets in medical institutions is relatively high. However, the demand for both hemostasis and blood transfusion or infusion in clinical surgery is very prominent, and the specifications and models of tourniquets are different, and the hemostatic pressures are also different.

[0004] In summary, existing electric hemostasis instruments cannot well meet the needs of rapid infusion and pressurization while stopping bleeding, nor can they achieve differentiated and precise hemostasis needs based on the specifications and models of the tourniquet. Summary of the Invention

[0005] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is how to achieve the multifunctional functions of hemostasis and infusion, and provide differentiated hemostatic pressure according to the specifications and models of the tourniquet.

[0006] To solve the above problems, the present invention provides an intelligent infusion pressurized hemostasis device and a method for using the same, comprising a protective shell, an LCD screen mounted on the front of the protective shell, and an air pump assembly mounted inside the protective shell, the air pump assembly comprising a bracket fixed inside the protective shell, a battery mounted on the bracket, a main control board mounted above the bracket and electrically connected to the battery, a pressure sensor electrically connected to the main control board, a four-way connector connected to the pressure sensor, an electromagnetic valve connected to the four-way connector, an air pump connected to the four-way connector, an intelligent connector mounted on the front of the protective shell and connected to the four-way connector, and a power switch mounted on the side of the protective shell. , a pulse probe interface installed on one side of the power switch and electrically connected to the main control board, a power plug installed on the back of the protective shell and electrically connected to the battery, a speaker installed on the back of the protective shell and electrically connected to the main control board, a warning light installed on the upper end of the protective shell and electrically connected to the main control board, a tourniquet and a pressure bag respectively connected to the smart connector, and a pulse probe electrically connected to the pulse probe interface, the number of smart connectors being equal to the number of four-way connectors. When there are two four-way connectors, the smart connectors are smart connector A and smart connector B, and smart connector A and smart connector B are respectively connected to the two four-way connectors;

[0007] Both the tourniquet and the pressurized bag are connected to an air hose, and one end of the air hose is connected to an intelligent electrical plug that is plugged into the intelligent connector A and the intelligent connector B. The intelligent electrical plug has a circuit representing the specification model embedded inside, and the internal circuits of the intelligent electrical plugs connected to the tourniquet and the pressurized bag are different.

[0008] In the above-mentioned intelligent infusion pressurized hemostasis device and its usage method, the idle rate of the equipment is reduced by setting two functions: air pressure hemostasis and infusion pressurization. The device can also automatically identify the specifications and models of the tourniquet to provide differentiated inflation pressure, thereby effectively reducing the risk of surgery.

[0009] As a further improvement of the present application, the pressure sensor, solenoid valve 1, air pump, and smart connector are electrically connected to the main control board at the same time, and the main control board includes a circuit identification module that matches the circuit inside the smart connector.

[0010] As a further improvement of the present application, the main control board also includes a blood vessel closure pressure monitoring module matched with the pulse probe, and the signal on the blood vessel closure pressure monitoring module is connected to the hemostasis pressure measurement module. The main control board also includes a timeout alarm module, and the timeout alarm module is electrically connected to the speaker and the prompt light.

[0011] As a further improvement of the present application, an autonomous pressure stabilizer is also connected between the smart connector and the tourniquet and the pressurized bag. The autonomous pressure stabilizer includes a volumetric pressure regulating cylinder. One end of the volumetric pressure regulating cylinder is connected to an adapter plug that matches the smart connector through a connecting hose, and the other end of the volumetric pressure regulating cylinder is fixedly connected to an adapter socket that matches the tourniquet and the pressurized bag. The adapter plug has the same structure as the smart electrical plug, and the adapter plug and the adapter socket are connected by a wire.

[0012] As another improvement of the present application, the volumetric pressure regulating cylinder includes two symmetrically distributed cylinder covers, and a corrugated telescopic cylinder body is fixedly connected between the two cylinder covers. The corrugated telescopic cylinder body is composed of a plurality of elastically connected conical rings, and an electromagnetic ring electrically connected to the main control board is fixedly connected at the connection between two adjacent conical rings. There are two conical rings between the two adjacent electromagnetic rings, and the two adjacent electromagnetic rings are magnetically attracted to each other when powered on. The inner walls of the two cylinder covers facing the electromagnetic rings are fixedly inlaid with magnetic pads that are magnetically attracted to the electromagnetic rings after power is supplied.

[0013] As another improved supplement to the present application, a cavity is provided on the inner wall of each conical ring, and the cavities on two adjacent conical rings are connected, the cavity is saturated with electrorheological fluid, and the main control board is electrically connected to the electrorheological fluid through the control processor.

[0014] As another improved supplement of the present application, an air hole connected to the connecting hose is opened on the inner wall of the cylinder cover near the adapter plug, and a solenoid valve 2 electrically connected to the main control board is installed inside the air hole.

[0015] As another improvement of the present application, the inner wall of the cylinder cover is also fixedly connected to an isolation cover covering the outside of the air hole, and the cylinder cover is provided with exhaust ports on both sides of the air hole, the exhaust ports are located on the inner side of the isolation cover, and a solenoid valve three electrically connected to the main control board is installed in the exhaust port, a medical air filter is connected to the port of the isolation cover, a slide groove is provided on the inner wall of the isolation cover facing the medical air filter, and the medical air filter extends into the slide groove, and one end of the medical air filter located in the slide groove is fixedly connected to a slide plate, and an elastic net is fixedly connected between the slide plate and the inner wall of the slide groove.

[0016] How to use the intelligent infusion pressurized hemostasis device:

[0017] S1. First, the tourniquet and pressurized bag are connected to the smart connector via the smart electrical plug. The main control board identifies the specifications and models of the tourniquet and pressurized bag. If a tourniquet is recognized, the LCD screen automatically displays the hemostasis function interface. If a pressurized bag is recognized, the LCD screen automatically displays the infusion function interface. The tourniquet and pressurized bag can be connected to both smart connector A and smart connector B at the same time, or they can be connected separately. The hemostasis function interface and the infusion function interface can be displayed simultaneously.

[0018] S2. Next, connect the pulse probe to the patient's finger or toe, tie the tourniquet to the patient's limb, and start the device to inflate the tourniquet. The main control board calculates the appropriate hemostatic pressure for the patient based on the systolic pressure monitored by the pulse probe and the identified tourniquet model. During the hemostasis process, the pressure sensor monitors the air pressure in real time, and the air pump adjusts the air pressure in real time. When the air pressure exceeds the set threshold, the solenoid valve 1 is activated to release the pressure. During the infusion process, the pressure sensor, solenoid valve 1, and air pump are also used to maintain a stable infusion pressure.

[0019] S3. An autonomous regulator can also be connected to the tourniquet and pressurization bag. The autonomous regulator transmits the specifications and models of the tourniquet and pressurization bag to the intelligent connector for identification. When the tourniquet is connected to the autonomous regulator, after inflation is completed, the main control board closes the second solenoid valve, and the air pressure sensor replaces the pressure sensor to monitor the inflation pressure of the tourniquet, and controls the expansion and contraction of the autonomous regulator by adjusting the electromagnetic force of the electromagnetic ring, so as to achieve the purpose of pressure stabilization. When the tourniquet and pressurization bag are connected to the autonomous regulator, the medical air filter filters and purifies the gas added to the tourniquet and pressurization bag to prevent bacteria and impurities in the air from entering the tourniquet and pressurization bag and reducing their safety in use.

[0020] To sum up, the multi-channel setting can simultaneously meet the functional requirements of pneumatic hemostasis and infusion pressurization, thereby effectively reducing the idle rate of equipment in the operating room, and can automatically identify tourniquets and specifications. In this way, when medical staff choose tourniquets of different specifications according to the patient's age, body shape, and physical condition, the device can provide adaptive hemostasis pressure according to the size of the tourniquet, thereby effectively meeting the precise hemostasis needs. In addition, the pressure is stabilized by adding an autonomous regulator. In this way, during the hemostasis process, the volume can be adjusted instead of the air pump for pressure stabilization, effectively reducing the frequency of use of the air pump, extending its service life, and effectively reducing noise. Moreover, the autonomous regulator can also filter the gas during the infusion pressurization process and can self-clean during pressure relief. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front perspective view of the first embodiment of the present application;

[0022] Figure 2 This is a three-dimensional diagram of an air pump assembly according to a first embodiment of the present application;

[0023] Figure 3 This is a rear perspective view of the first embodiment of the present application;

[0024] Figure 4 This is the overall architecture diagram of the first embodiment of this application;

[0025] Figure 5This is a gas circuit diagram of the first embodiment of the present application;

[0026] Figure 6 This is a circuit diagram of the first embodiment of the present application;

[0027] Figure 7 This is a connection diagram of an autonomous voltage regulator according to a second embodiment of the present application;

[0028] Figure 8 This is a three-dimensional diagram of an autonomous voltage regulator according to a second embodiment of the present application;

[0029] Figure 9 This is a cross-sectional view of the autonomous regulator of the second embodiment of the present application when connected to a tourniquet;

[0030] Figure 10 This is a diagram of the pressure relief state of the autonomous pressurizer according to the second embodiment of the present application when connected to a pressurized bag;

[0031] Figure 11 This is a cross-sectional view of the partial structure of the corrugated telescopic cylinder according to the second embodiment of the present application;

[0032] Figure 12 This is a top-down cross-sectional view of the medical air filter and isolation cover according to the second embodiment of the present application.

[0033] Description of the numbers in the figure:

[0034] 1 Protective case, 2 LCD screen, 3 Battery, 4 Main control board, 5 Pressure sensor, 6 Four-way connector, 7 Solenoid valve 1, 8 Air pump, 9 Smart connector A, 10 Smart connector B, 11 Power switch, 12 Pulse probe interface, 13 Power plug, 14 Speaker, 15 Warning light, 16 Volumetric pressure regulating cylinder, 1601 Cylinder cover, 1602 Corrugated telescopic cylinder, 1603 Solenoid ring, 1604 Magnetic pad, 17 Adapter plug, 1701 Solenoid valve 2, 18 Adapter socket, 19 Isolation cover, 1901 Elastic net, 1902 Slide plate, 20 Medical air filter, 21 Solenoid valve 3, 22 Electrorheological fluid. DETAILED DESCRIPTION

[0035] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0036] The first implementation method:

[0037] like Figure 1 、 2, 3, comprising a protective shell 1, an LCD screen 2 mounted on the front of the protective shell 1, and an air pump assembly mounted inside the protective shell 1, the air pump assembly comprising a bracket fixed inside the protective shell 1, a battery 3 mounted on the bracket, a main control board 4 mounted above the bracket and electrically connected to the battery 3, a pressure sensor 5 electrically connected to the main control board 4 (the specific model is selected according to actual needs), a four-way connector 6 connected to the pressure sensor 5, a solenoid valve 7 connected to the four-way connector 6, an air pump 8 connected to the four-way connector 6, an intelligent connector mounted on the front of the protective shell 1 and connected to the four-way connector 6, and an installation A power switch 11 on the side of the protective shell 1, a pulse probe interface 12 installed on the side of the power switch 11 and electrically connected to the main control board 4, a power plug 13 installed on the back of the protective shell 1 and electrically connected to the battery 3, a speaker 14 installed on the back of the protective shell 1 and electrically connected to the main control board 4, a warning light 15 installed on the upper end of the protective shell 1 and electrically connected to the main control board 4, a tourniquet and a pressure bag respectively connected to the smart connector, and a pulse probe electrically connected to the pulse probe interface 12 (this is the existing technology, the specific structure and working principle will not be described in detail here), the number of smart connectors The number of the smart connectors is equal to that of the four-way connectors 6. When there are two four-way connectors 6, the smart connectors are smart connectors A9 and smart connectors B10, and the smart connectors A9 and smart connectors B10 are respectively connected to the two four-way connectors 6. The pressure sensor 5, the solenoid valve 7, the air pump 8, and the smart connectors are electrically connected to the main control board 4 at the same time, and the main control board 4 includes a circuit recognition module that matches the circuit inside the smart connector. The tourniquet and the pressure bag are both connected to an air hose, and one end of the air hose is connected to an intelligent electrical plug that is clamped with the intelligent connector. The intelligent electrical plug is embedded with a circuit representing the specification model ( The specific configuration structure and operating principle are well known to those skilled in the relevant art and will not be described in detail here. Furthermore, the internal circuits of the smart electrical plugs connected to the tourniquet and the pressurization bag are different. The main control board 4 also includes a blood vessel closure pressure monitoring module that matches the pulse probe, and the blood vessel closure pressure monitoring module is signal-connected to the hemostatic pressure measurement module. The main control board 4 also includes a timeout alarm module, which is electrically connected to the speaker 14 and the indicator light 15 (the specific logical control principles and connection structures of these modules are well known to those skilled in the relevant art and will not be described in detail here).

[0038] like Figure 4 、 5As shown in 6, when in use, the smart connector A9 and the smart connector B10 can be connected to the tourniquet or the pressure bag respectively. The two are independent channels and do not interfere with each other during operation. When the device is connected to the tourniquet, it plays a role in hemostasis. When the device is connected to the pressure bag, it plays a role in infusion and pressure. When the device is connected to the tourniquet and the pressure bag at the same time, it plays a role in hemostasis and infusion and pressure. The smart electrical plugs on the tourniquet and the pressure bag are embedded with circuits representing their respective specifications and models. In this way, when connected to the smart connector, the circuit can automatically identify whether the connection is a tourniquet or a pressure bag, as well as the model and size of the tourniquet and the pressure bag. After the tourniquet and the pressure bag are connected, the LCD screen 2 automatically displays the hemostasis function interface and the infusion function interface, and then the medical staff sets the parameters on the interface;

[0039] When the tourniquet is connected, the pulse probe monitors the systolic blood pressure of the limb in real time, and the vascular closure pressure monitoring module obtains the tourniquet pressure when the pulse completely disappears, that is, the vascular closure pressure. The hemostatic pressure measurement module on the main control board 4 calculates the hemostatic pressure suitable for the patient based on the patient's real-time systolic blood pressure (the specific calculation method is a well-known technology for technicians in the relevant field and will not be described in detail here). In this way, when medical staff select tourniquets of different specifications according to the patient's age, body shape, physical condition and the limb to be hemostatic, the device can provide precise hemostatic pressure requirements and provide differentiated pressure supply for different patients. When hemostasis is activated, the timeout alarm module automatically starts timing. Once the actual hemostasis exceeds the set value, the speaker 14 and the prompt light 15 are immediately triggered to simultaneously issue an alarm signal;

[0040] Compared with the existing technology, this embodiment can not only monitor the patient's systolic blood pressure to automatically adjust the hemostatic pressure, but also automatically identify the specifications and models of the tourniquet, and provide hemostatic pressure requirements suitable for the patient, so as to avoid harm to the patient's body due to mismatched hemostatic pressure, effectively reducing the risk of surgery. In addition, compared with the existing technology, in addition to achieving pressure hemostasis, it can also meet the surgical needs of pressurized blood transfusion and infusion, effectively reducing the idle rate of the device.

[0041] The second implementation method:

[0042] This embodiment is based on the first embodiment. By adding an autonomous pressure stabilizer to achieve the pressure stabilization function for hemostasis and infusion pressurization, the frequency of use of the air pump 8 is reduced to reduce its workload and working noise. The rest of the embodiments are consistent with the first embodiment. In addition, the autonomous pressure stabilizer is an optional item of the first embodiment and can be freely used in actual use. It does not affect the implementation of the first embodiment.

[0043] like Figure 7 、 8As shown, an autonomous voltage stabilizer is further connected between the smart connector and the tourniquet and the pressurizing bag. The autonomous voltage stabilizer includes a volumetric pressure regulating cylinder 16. One end of the volumetric pressure regulating cylinder 16 is connected to a switching plug 17 that matches the smart connector through a connecting hose, and the other end of the volumetric pressure regulating cylinder 16 is fixedly connected to a switching socket 18 that matches the tourniquet and the pressurizing bag. The switching plug 17 has the same structure as the smart electrical plug, and the switching plug 17 and the switching socket 18 are connected by a wire (the two serve as the transmission medium between the tourniquet and the pressurizing bag and the smart connector, and only play the role of conductivity and ventilation). When choosing to use the autonomous voltage stabilizer, The smart electrical plug of the tourniquet or pressure bag is plugged into the adapter socket 18, and then the adapter plug 17 is plugged into the smart connector A9 or smart connector B10. After the adapter socket 18 recognizes the circuit representing the specification and model of the smart electrical plug, it conducts the circuit to the adapter plug 17 via a wire. Then, the adapter plug 17 conducts the circuit to the smart connector A9 or smart connector B10, allowing the main control board 4 to identify the specification and model of the tourniquet or pressure bag. In this process, the adapter plug 17 and the adapter socket 18 act as a transmission medium, which does not affect the main control board 4's automatic recognition of the internal circuit of the smart electrical plug.

[0044] like Figure 9 、 10As shown, the volumetric pressure regulating cylinder 16 includes two symmetrically distributed cylinder covers 1601, and a corrugated telescopic cylinder 1602 (made of polyurethane elastic material, and other materials can also be selected according to actual needs) is fixedly connected between the two cylinder covers 1601. The corrugated telescopic cylinder 1602 is composed of a plurality of elastically connected conical rings, and the connection between two adjacent conical rings is fixedly connected with an electromagnetic ring 1603 (made of electromagnetic material) electrically connected to the main control board 4. There are two conical rings between the two adjacent electromagnetic rings 1603, and the two adjacent electromagnetic rings 1603 are magnetically attracted to each other when powered on. After the electromagnetic ring 1603 is powered on, a magnetic attraction force is generated, and the two adjacent electromagnetic rings 1603 attract each other, so that the corrugated The telescopic cylinder 1602 is compressed and folded, thereby realizing the telescopic adjustment of the volumetric pressure regulating cylinder 16. The inner walls of the two cylinder covers 1601 facing the electromagnetic ring 1603 are fixedly inlaid with magnetic pads 1604 that are magnetically attracted to the electromagnetic ring 1603 after power is turned on. An air hole connected to the connecting hose is opened on the inner wall of the cylinder cover 1601 near the adapter plug 17, and a solenoid valve 2 1701 electrically connected to the main control board 4 is installed inside the air hole. When the autonomous voltage stabilizer is connected, the volumetric pressure regulating cylinder 16 is in an extended state in the initial state. If a tourniquet is connected at this time, gas begins to be filled into the volumetric pressure regulating cylinder 16 after the inflation is started. When the inflation is completed and hemostasis begins, the main control board 4 first closes the solenoid valve 2 1701 and the air pump 8 At this time, the air pressure inside the volumetric pressure regulating cylinder 16 is consistent with that inside the entire tourniquet. Since the hemostatic pressure will fluctuate during the operation, the main control board 4 calculates the hemostatic pressure required by the patient based on the systolic pressure monitored by the pulse probe, and then the main control board 4 adjusts the current of the electromagnetic ring 1603 to change the magnetic attraction of the electromagnetic ring 1603. When the magnetic attraction of the electromagnetic ring 1603 becomes larger, the volumetric pressure regulating cylinder 16 is compressed. At this time, the volume inside the volumetric pressure regulating cylinder 16 becomes smaller, so the air pressure increases. When the magnetic attraction of the electromagnetic ring 1603 becomes smaller, the volumetric pressure regulating cylinder 16 expands under the action of its own reset elastic force and the air pressure. At this time, the volume inside the volumetric pressure regulating cylinder 16 becomes larger, so the air pressure decreases. In this way, when the hemostatic pressure changes due to factors such as air tightness and external disturbances during surgery, the magnetic attraction can be adjusted by adjusting the current of the electromagnetic ring 1603, thereby controlling the adaptive expansion and contraction of the volumetric pressure regulating cylinder 16, allowing the autonomous regulator to adjust the pressure by changing the volume, thereby meeting the dynamically changing hemostatic pressure requirements during surgery. Compared with the first embodiment, this embodiment replaces the work of the air pump 8 by allowing the volumetric pressure regulating cylinder 16 to expand and contract, so there is no need to frequently start and shut down the air pump 8 to maintain the hemostatic pressure, effectively reducing the frequency of use of the air pump 8, not only extending its service life but also reducing noise. In addition, the air pump 8 is prone to clogging due to continuous filtering of air after working for a long time.

[0045] In addition, when the pressurized bag is connected, after the pressurization is completed, the main control board 4 closes the second solenoid valve 1701 and increases the magnetic attraction of the electromagnetic ring 1603 by continuously and slowly increasing the current. In this way, the volumetric pressure regulating cylinder 16 is continuously contracted to reduce the volume to increase the air pressure, which can maintain the pressurization of the pressurized bag. The main control board 4 reopens the second solenoid valve 1701 at fixed time intervals and restarts the air pump 8 to fill the volumetric pressure regulating cylinder 16 with gas, so that the volumetric pressure regulating cylinder 16 resumes continuous pressurization of the pressurized bag. This can also effectively reduce the frequency of use of the air pump 8.

[0046] like Figure 11 As shown, a cavity is formed on the inner wall of each conical ring, and the cavities on two adjacent conical rings are connected, and the cavity is saturated with electrorheological fluid 22, and the main control board 4 is electrically connected to the electrorheological fluid 22 through the control processor. When the autonomous voltage regulator is connected to the tourniquet, in order to allow the positive displacement pressure regulating cylinder 16 to be able to extend after being inflated to meet the dynamic hemostatic pressure requirement, the extension of the positive displacement pressure regulating cylinder 16 should be limited at the beginning of inflation so as to leave space for adjusting the filled capacity. The specific operation is that before starting the air pump 8 to inflate, the main control board 4 first adjusts the magnetic attraction of the electromagnetic ring 1603 to make the corrugated telescopic cylinder 1602 in a medium contraction state, and then the main control board 4 energizes the electrorheological fluid 22 to harden it, and then the air pump 8 can be started to inflate. When the inflation is completed, the electrorheological fluid 22 is powered off, so that the positive displacement pressure regulating cylinder 16 can leave space for adjusting the internal volume.

[0047] like Figure 12As shown, the inner wall of the cylinder cover 1601 is also fixedly connected to an isolation cover 19 covering the outside of the air hole, and the cylinder cover 1601 is provided with exhaust ports on both sides of the air hole, the exhaust ports are located on the inner side of the isolation cover 19, and a solenoid valve 3 21 electrically connected to the main control board 4 is installed in the exhaust port, and a medical air filter 20 is connected to the port of the isolation cover 19, and a slide groove is provided on the inner wall of the isolation cover 19 facing the medical air filter 20, and the medical air filter 20 extends into the slide groove, and one end of the medical air filter 20 located in the slide groove is fixedly connected to a slide plate 1902, and an elastic net 1901 (made of rubber material, and other materials can also be selected according to actual needs) is fixedly connected between the slide plate 1902 and the inner wall of the slide groove. When the autonomous pressure regulator is connected to a tourniquet or a pressurized bag, since the air pump 8 has a limited effect on gas filtration, a medical air filter 20 is added at the air inlet of the volumetric pressure regulating cylinder 16 to The gas is further filtered and purified to prevent impurities and bacteria in the air from entering the tourniquet or the pressurized bag, which not only increases the workload of frequent disinfection, but also makes it easy for bacteria to breed more bacteria inside the tourniquet or the pressurized bag, reducing the safety of its later use. Moreover, when the pressurization is completed and the pressure needs to be released, the main control board 4 starts the electromagnetic valve 3 21 to release the pressure. At the same time, the main control board 4 increases the magnetic attraction of the electromagnetic ring 1603 to make the volumetric pressure regulating cylinder 16 shrink quickly, so that the gas can produce a back-blowing effect on the medical air filter 20, thereby achieving effective self-cleaning of the medical air filter 20 and maintaining the high-efficiency filtering and purification effect of the medical air filter 20. In addition, in order to avoid the backblown bacteria and impurities from spreading to the operating room and causing cross infection during actual use, a container specially used for storing gas can be connected to the exhaust port to prevent the backblown gas from causing secondary pollution to the operating room.

[0048] How to use the intelligent infusion pressurized hemostasis device:

[0049] S1. First, the tourniquet and pressurized bag are connected to the smart connector via the smart electrical plug. The main control board 4 identifies the specifications and models of the tourniquet and pressurized bag. If a tourniquet is recognized, the LCD screen 2 automatically displays the hemostasis function interface. If a pressurized bag is recognized, the LCD screen 2 automatically displays the infusion function interface. The tourniquet and pressurized bag can be connected to the smart connector A9 and smart connector B10 simultaneously, or they can be connected separately. The hemostasis function interface and the infusion function interface can be displayed simultaneously.

[0050] S2. Next, the pulse probe is connected to the patient's finger or toe, a tourniquet is tied to the patient's limb, and the device is started to inflate the tourniquet. The main control board 4 calculates the hemostatic pressure suitable for the patient based on the systolic pressure monitored by the pulse probe and the identified tourniquet model. During the hemostasis process, the pressure sensor 5 monitors the air pressure in real time, and the air pump 8 adjusts the air pressure in real time. When the air pressure exceeds the set threshold, the solenoid valve 7 is activated to release the pressure. During the infusion process, the pressure sensor 5, solenoid valve 7, and air pump 8 are also used to maintain a stable infusion pressure.

[0051] S3. An autonomous regulator can also be connected to the tourniquet and the pressurizing bag. The autonomous regulator transmits the specifications and models of the tourniquet and the pressurizing bag to the intelligent connector for identification. When the tourniquet is connected to the autonomous regulator, after inflation is completed, the main control board 4 closes the solenoid valve 2 1701, and the air pressure sensor replaces the pressure sensor 5 to monitor the inflation pressure of the tourniquet, and controls the expansion and contraction of the autonomous regulator by adjusting the electromagnetic force of the electromagnetic ring 1603, so as to achieve the purpose of pressure stabilization. When the tourniquet and the pressurizing bag are connected to the autonomous regulator, the medical air filter 20 filters and purifies the gas added to the tourniquet and the pressurizing bag to prevent bacteria and impurities in the air from entering the tourniquet and the pressurizing bag and reducing their safety in use.

[0052] By adding an autonomous pressure stabilizer to stabilize the pressure, the volume can be adjusted instead of the air pump to stabilize the pressure during the hemostasis process, effectively reducing the frequency of use of the air pump, extending its service life and effectively reducing noise. In addition, the autonomous pressure stabilizer can also filter the gas during the infusion and pressurization process and can self-clean during pressure relief.

[0053] In view of current actual needs, the protection scope of the above-mentioned implementation mode adopted in this application is not limited to this. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the protection scope of the present invention.

Claims

1. An intelligent infusion pressurized hemostasis device, characterized by: The invention comprises a protective shell (1), a liquid crystal screen (2) installed on the front of the protective shell (1), and an air pump assembly installed inside the protective shell (1), wherein the air pump assembly comprises a bracket fixed inside the protective shell (1), a battery (3) installed on the bracket, a main control board (4) installed above the bracket and electrically connected to the battery (3), a pressure sensor (5) electrically connected to the main control board (4), a four-way connector (6) connected to the pressure sensor (5), a solenoid valve (7) connected to the four-way connector (6), an air pump (8) connected to the four-way connector (6), an intelligent connector installed on the front of the protective shell (1) and connected to the four-way connector (6), a power switch (11) installed on the side of the protective shell (1), and a solenoid valve (7) installed on one side of the power switch (11) and connected to the main control board. (4) a pulse probe interface (12) electrically connected, a power plug (13) installed on the back of the protective shell (1) and electrically connected to the battery (3), a speaker (14) installed on the back of the protective shell (1) and electrically connected to the main control board (4), a warning light (15) installed on the upper end of the protective shell (1) and electrically connected to the main control board (4), a tourniquet and a pressure bag respectively connected to the smart connector, and a pulse probe electrically connected to the pulse probe interface (12), the number of the smart connectors being equal to the number of the four-way connectors (6), when the number of the four-way connectors (6) is two, the smart connectors are smart connector A (9) and smart connector B (10), and the smart connector A (9) and smart connector B (10) are respectively connected to the two four-way connectors (6); The tourniquet and the pressurizing bag are both connected to an air hose, and one end of the air hose is connected to an intelligent electrical plug that is clamped to the intelligent connector. The intelligent electrical plug has a circuit embedded therein representing the specification model, and the internal circuits of the intelligent electrical plugs connected to the tourniquet and the pressurizing bag are different; An autonomous pressure regulator is further connected between the intelligent joint and the tourniquet and the pressurizing bag. The autonomous pressure regulator includes a volumetric pressure regulating cylinder (16). One end of the volumetric pressure regulating cylinder (16) is connected to a transfer plug (17) matching the intelligent joint via a connecting hose, and the other end of the volumetric pressure regulating cylinder (16) is fixedly connected to a transfer socket (18) matching the tourniquet and the pressurizing bag. The transfer plug (17) has the same structure as the intelligent electrical plug, and the transfer plug (17) and the transfer socket (18) are connected via a wire. The volumetric pressure regulating cylinder (16) includes two symmetrically distributed cylinder covers (1601). , and a corrugated telescopic cylinder (1602) is fixedly connected between the two cylinder covers (1601), the corrugated telescopic cylinder (1602) is composed of a plurality of elastically connected conical rings, and an electromagnetic ring (1603) electrically connected to the main control board (4) is fixedly connected at the connection between two adjacent conical rings, two conical rings are spaced between the two adjacent electromagnetic rings (1603), and the two adjacent electromagnetic rings (1603) are magnetically attracted to each other when powered on, and the inner walls of the two cylinder covers (1601) facing the electromagnetic rings (1603) are fixedly inlaid with magnetic pads (1604) that are magnetically attracted to the electromagnetic rings (1603) after power is supplied.

2. The intelligent infusion pressurized hemostasis device according to claim 1, characterized in that: The pressure sensor (5), electromagnetic valve 1 (7), air pump (8), and smart connector are electrically connected to the main control board (4) at the same time, and the main control board (4) includes a circuit identification module that matches the circuit inside the smart connector.

3. The intelligent infusion pressurized hemostasis device according to claim 1, characterized in that: The main control board (4) further includes a blood vessel closure pressure monitoring module matched with the pulse probe, and the blood vessel closure pressure monitoring module is signal-connected to the hemostasis pressure measurement module. The main control board (4) further includes a timeout alarm module, and the timeout alarm module is electrically connected to the speaker (14) and the prompt light (15).

4. The intelligent infusion pressurized hemostasis device according to claim 1, characterized in that: The inner wall of each conical ring is provided with a cavity, and the cavities on two adjacent conical rings are connected, the cavities are saturated with electrorheological fluid (22), and the main control board (4) is electrically connected to the electrorheological fluid (22) via a control processor.

5. The intelligent infusion pressurized hemostasis device according to claim 1, characterized in that: An air hole connected to a connecting hose is provided on the inner wall of the cylinder cover (1601) near the adapter plug (17), and a second solenoid valve (1701) electrically connected to the main control board (4) is installed inside the air hole.

6. The intelligent infusion pressurized hemostasis device according to claim 1, characterized in that: The inner wall of the cylinder cover (1601) is also fixedly connected to an isolation cover (19) covering the outside of the air hole, and the cylinder cover (1601) is provided with exhaust ports on both sides of the air hole, the exhaust ports are located on the inner side of the isolation cover (19), and a solenoid valve three (21) electrically connected to the main control board (4) is installed in the exhaust port, and a medical air filter (20) is connected to the port of the isolation cover (19), and a slide groove is provided on the inner wall of the isolation cover (19) facing the medical air filter (20), and the medical air filter (20) extends into the slide groove, and one end of the medical air filter (20) located in the slide groove is fixedly connected to a slide plate (1902), and an elastic net (1901) is fixedly connected between the slide plate (1902) and the inner wall of the slide groove.

7. The intelligent infusion pressurized hemostasis device according to any one of claims 1 to 6, characterized in that: The method for using the intelligent infusion pressurized hemostasis device comprises the following steps: S1. First, the tourniquet and the pressurizing bag are connected to the intelligent connector via the intelligent electrical plug. The main control board (4) identifies the specifications and models of the tourniquet and the pressurizing bag. If the tourniquet is identified, the LCD screen (2) automatically displays the hemostasis function interface. If the pressurizing bag is identified, the LCD screen (2) automatically displays the infusion function interface. The tourniquet and the pressurizing bag can be connected to the intelligent connector A (9) and the intelligent connector B (10) at the same time, or they can be connected separately. The hemostasis function interface and the infusion function interface can be displayed at the same time. S2. Then, the pulse probe is connected to the patient's finger or toe, the tourniquet is tied to the patient's limb, and the device is started to inflate the tourniquet. The main control board (4) calculates the hemostatic pressure suitable for the patient based on the systolic pressure monitored by the pulse probe and the identified tourniquet model. During the hemostatic process, the pressure sensor (5) monitors the air pressure value in real time, and the air pump (8) adjusts the air pressure value in real time. After the air pressure value exceeds the set threshold, the solenoid valve (7) is started to release the pressure. When the infusion is performed, the pressure sensor (5), the solenoid valve (7) and the air pump (8) are also used to maintain a stable infusion pressure. S3. An autonomous regulator can also be connected to the tourniquet and the pressurizing bag. The autonomous regulator transmits the specifications and models of the tourniquet and the pressurizing bag to the intelligent connector for identification. When the tourniquet is connected to the autonomous regulator, after the inflation is completed, the main control board (4) closes the electromagnetic valve 2 (1701), and the air pressure sensor replaces the pressure sensor (5) to monitor the inflation pressure of the tourniquet, and controls the expansion and contraction of the autonomous regulator by adjusting the electromagnetic force of the electromagnetic ring (1603), so as to achieve the purpose of pressure stabilization. When the tourniquet and the pressurizing bag are connected to the autonomous regulator, the medical air filter (20) filters and purifies the gas injected into the tourniquet and the pressurizing bag to prevent bacteria and impurities in the air from entering the tourniquet and the pressurizing bag and reducing their safety in use.

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