Bending groove type infusion heating structure and improved medical infusion pump

Abstract

The invention relates to a bent groove type infusion heating structure and an improved medical infusion pump, and discloses the bent groove type infusion heating structure which generates heat through a heating resistance wire and uniformly conducts the heat to the side face of an infusion tube through a heat conduction elastic block so as to heat medicine in the infusion tube. The infusion pump is characterized in that the infusion pump is composed of a positioning groove, a heat insulation frame, a positioning block, a heating plate, a heating resistance wire, a heat conduction elastic block and an infusion tube containing groove, the positioning groove is formed in the inner side face of the bottom end of an infusion pump shell, the heat insulation frame is arranged in the infusion pump shell, the heat insulation frame is arranged between the containing plate and a display shell, and the heat insulation frame is of a cuboid structure. One side of the heat insulation frame is of an opening structure, the heat insulation frame and the infusion pump shell are in the same opening direction, a positioning block is fixedly arranged on the outer side face of the bottom end of the heat insulation frame, the heat insulation frame is in sliding connection with the infusion pump shell through matching of the positioning block and the positioning groove, notches are formed in the top end and the bottom end of the heat insulation frame, and the notch in the bottom end is communicated with a mounting hole in the bottom end of the infusion pump shell.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of medical infusion pump of improved and improved type infusion heating structure of bending groove, which is installed on the improved medical infusion pump, and the drug is uniformly heated, belongs to the technical field of medical devices, in particular to a kind of bending groove type infusion heating structure that generates heat by heating resistance wire, and heat is uniformly conducted to the side of infusion tube by heat-conducting elastic block and then the drug in the infusion tube is heated. BACKGROUND

[0002] In the medical field, infusion pump is the key equipment to realize precise infusion therapy, however, the traditional infusion pump has many drawbacks in practical application. On the one hand, the traditional infusion pump has poor infusion stability, and the infusion tube is not accurately positioned, which is easy to shift and shake during infusion, resulting in unstable liquid delivery and large flow rate fluctuation, which not only affects the effective delivery of drugs, but also may cause potential harm to the patient's body, on the other hand, the monitoring function of the traditional infusion pump is limited, it is difficult to comprehensively and real-time monitor the key indicators in the infusion process, such as air bubble, pressure and flow rate, once the air bubble exceeds the standard, pressure is abnormal or flow rate is unstable during infusion, it is often difficult to detect and respond in time, thereby increasing the risk of infusion, and even may cause serious medical accidents, in addition, the operation convenience and intelligent degree of the traditional infusion pump is low, the installation and maintenance process of the equipment is complex, the medical staff needs to spend a lot of time and effort to debug and repair, and the lack of intelligent data processing and control system, cannot automatically adjust parameters according to infusion condition, also cannot timely warn and record abnormal situation, which is not conducive to the management and traceability of medical process.

[0003] Publication No. CN116870291A discloses an infusion pump, which comprises a pump body, a pump door and an ultrasonic air bubble detection assembly, the pump body is provided with a mounting groove for mounting an infusion tube; the pump door is movably mounted on the pump body; the ultrasonic air bubble detection assembly comprises a pressing head and an ultrasonic sensor, the pressing head is arranged on the pump door, and the ultrasonic sensor is arranged on the pump body, the ultrasonic sensor is provided with a groove for the infusion tube to pass through, the pressing head is used to press the infusion tube into the groove, and the ultrasonic sensor is used to detect whether there is air bubble in the infusion tube; the pressing head and the pump door are provided with an elastic member, so that the pressing head presses the infusion tube into the groove by the elastic force of the elastic member. The operation convenience and intelligent degree of the above-mentioned infusion pump is low, the installation and maintenance process of the equipment is complex, the medical staff needs to spend a lot of time and effort to debug and repair, and the lack of intelligent data processing and control system, cannot automatically adjust parameters according to infusion condition, also cannot timely warn and record abnormal situation, which is not conducive to the management and traceability of medical process.

[0004] In order to improve the above problems, the applicant has filed another Chinese patent application for an improved medical infusion pump, which can promote the flow of liquid through the infusion assembly, while monitoring the bubbles, pressure and flow rate changes in the infusion tube in real time, and the display assembly can alarm in case of abnormality, and then the controller can regulate the relevant equipment according to the specific situation, so as to achieve an improved medical infusion pump that can ensure the safety and stability of the infusion process. However, the above-mentioned infusion pump has obvious shortcomings in the control of infusion temperature. Due to the lack of heating function, in the actual infusion process, the low-temperature liquid not only reduces the infusion experience of the patient, causes discomfort and even blood vessel spasm and other adverse reactions, but also changes the chemical properties of some drugs, affects the drug efficacy, and is not conducive to the treatment of the patient. In addition, in cold regions or special medical scenarios where specific temperature liquid infusion is required, the infusion pump cannot adjust the infusion temperature, and it is difficult to meet the actual needs. SUMMARY

[0005] In order to improve the above situation, the present application provides a kind of heating resistance wire generates heat, and the heat is evenly conducted to the side of infusion tube through heat-conducting elastic block, and then the medicine in the infusion tube is heated by the bending groove type infusion temperature rising structure.

[0006] The bending groove type infusion temperature rising structure of the present application is realized as follows: the bending groove type infusion temperature rising structure of the present application is composed of positioning groove, temperature insulation frame, positioning block, heating plate, heating resistance wire, heat-conducting elastic block and infusion tube placing groove, The inner side of the bottom end of the infusion pump shell is provided with a positioning groove, The temperature insulation frame is placed in the infusion pump shell, the temperature insulation frame is placed between the placing plate and the display shell, the temperature insulation frame is in the shape of a rectangular parallelepiped, one side of which is an open structure, and the temperature insulation frame has the same opening direction as the infusion pump shell, The positioning block is fixedly arranged on the outer side of the bottom end of the temperature insulation frame, and the temperature insulation frame is slidably connected with the infusion pump shell through the positioning block and the positioning groove, The top end and the bottom end of the temperature insulation frame are both provided with notches, and the bottom end notch is communicated with the mounting hole of the bottom end of the infusion pump shell, The heating plate is arranged in the temperature insulation frame, the heating plate is fixedly connected with the closed end of the temperature insulation frame and the adjacent surface thereof, and the heating plate is made of ceramic material, The heating resistance wire is arranged in the heating plate, the heating resistance wire is in the shape of a wave, and the periphery of the heating resistance wire is close to the side of the temperature insulation frame, One side of the heat-conducting elastic block is fixedly connected with the heating plate, and the side adjacent to the heat-conducting elastic block is fixedly connected with the temperature insulation frame, and the heat-conducting elastic block is made of heat-conducting silica gel material, The heat-conducting elastic block is provided with an infusion tube placing groove, the cross section of the infusion tube placing groove is in an arc structure, the plane of the arc straight line coincides with one side of the heat-conducting elastic block, and the plane is close to the setting position, the infusion tube placing groove is communicated with the top end of the temperature insulation frame and the bottom end gap, A part of the infusion tube is clamped in the infusion tube placing groove, and the part of the infusion tube is clamped in the infusion tube placing groove from the top end gap of the temperature insulation frame, and then clamped in the infusion tube placing groove, and then stretched out from the bottom end gap of the temperature insulation frame, Further, the temperature adjusting groove is filled with a metal heat-conducting block, the metal heat-conducting block is made of copper, and the side surfaces of the metal heat-conducting block are in close contact with the side surfaces of the temperature adjusting groove, Further, the heat-conducting elastic block is provided with a temperature detector fixed on one side surface, and the infusion tube placing groove and the temperature detector are on the same side surface of the heat-conducting elastic block.

[0007] The application also relates to an improved medical infusion pump, which provides a kind of by infusion assembly to push liquid flow, while monitoring the change of bubble, pressure and flow rate in infusion tube in real time, and the display assembly is used to alarm abnormal situation, then controller is used to regulate relevant equipment according to specific situation, so as to achieve the improved medical infusion pump that guarantees the safety and stability of infusion process.

[0008] The improved medical infusion pump is realized as follows: the improved medical infusion pump is composed of an infusion assembly and a display assembly, The infusion assembly is composed of an infusion pump shell, a placing plate, a mounting hole, an infusion tube limiting ring, an infusion tube limiting plate, a rotating shaft, an infusion roller, a rotating groove, a rotating plate, a supporting spring, a positioning roller, a photoelectric receiver and a micro pressure sensor, The infusion pump shell is in a square frame structure, and one side is an open structure, The placing plate is arranged in the infusion pump shell, and the side surface of the placing plate is fixedly connected to the inner side surface of the infusion pump shell at the middle position in the open direction, The infusion pump shell is provided with a mounting hole at the top end and the bottom end respectively, and is arranged close to the open end, The infusion tube limiting ring is fixedly arranged on the side surface of the placing plate and arranged close to the open end of the infusion pump shell, the infusion tube limiting ring is composed of a three-quarter circular ring and two horizontal plates, the two horizontal plates are fixedly connected to the two ends of the three-quarter circular ring respectively, and the two horizontal plates are arranged in parallel, and the central axis of the three-quarter circular ring is located on the middle plane of the two horizontal plates, The outer side surface of the infusion tube limiting ring is provided with a clamping rib, The infusion tube limiting plate is fixed on the side of the placement plate and between the two horizontal plates of the infusion tube limiting ring. The infusion tube limiting plate has a long strip structure and is parallel to the horizontal plates of the infusion tube limiting ring. Two infusion tube limiting plates are provided, and the two infusion tube limiting plates are symmetrically arranged about the infusion tube limiting ring, The protective cover is clamped on the side of the infusion tube limiting ring through the clamping rib, One end of the infusion tube is outside the infusion pump shell, the other end of the infusion tube passes through the mounting hole at the top end of the infusion pump shell into the inside of the infusion pump shell, and then extends out of the infusion pump shell through the mounting hole at the bottom end, And the part of the infusion tube inside the infusion pump shell passes between a horizontal plate of the infusion tube limiting ring and an infusion tube limiting plate, enters the infusion tube limiting ring, and then sequentially passes through the other horizontal plate of the infusion tube limiting ring and the other infusion tube limiting ring to extend out of the infusion tube limiting ring, The infusion conveying motor is fixedly connected to the other side of the placement plate. The motor shaft of the infusion conveying motor passes through the placement plate and is provided with a support bearing between the placement plate, The motor encoder is installed in the motor shaft of the infusion conveying motor, The middle part of the rotating shaft is fixedly connected to the motor shaft of the infusion conveying motor. The rotating shaft has a long strip structure, and the two ends of the rotating shaft are provided with placement grooves, The infusion roller is arranged in the placement groove of the rotating shaft. The infusion roller is rotatably connected to the rotating shaft through a rotating shaft. The infusion roller and the rotating groove of the rotating shaft are in one-to-one correspondence, The placement plate is provided with rotating grooves. The rotating grooves have a long strip structure. The rotating grooves are arranged along the width direction of the placement plate, The bottom end of the rotating plate is arranged in the rotating groove. The bottom end of the rotating plate is rotatably connected to the rotating groove through a rotating shaft. The rotating plate has a long strip structure. The top end of the rotating plate is provided with a recess. The rotating plate and the rotating groove are in one-to-one correspondence, One end of the support spring is fixedly connected to the side of the placement plate. The other end of the support spring is fixedly connected to the middle part of the side of the rotating plate. The support spring is provided in two groups. Each group of the support spring is in one-to-one correspondence with the rotating plate. Each group is provided with a plurality of support springs. The plurality of support springs in each group are equidistantly arranged along the length direction of the rotating plate, The center shaft of the positioning roller is arranged in the recess of the rotating plate. The positioning roller is rotatably connected to the top end of the rotating plate through a rotating shaft. The diameter of the positioning roller is greater than the thickness of the rotating plate. The positioning roller and the rotating plate are in one-to-one correspondence, And the part of the infusion tube inside the infusion pump shell is arranged between the two rotating plates, The photoelectric receiver is fixedly arranged on the side of the placement plate and between the two rotating grooves. The two rotating grooves are symmetrically arranged about the photoelectric receiver, The micro pressure sensor is fixed on the side of the placement plate and between two rotating grooves which are symmetrically arranged relative to the micro pressure sensor, The display assembly is composed of a magnetic buckle, a display shell, a rotating hinge, a display screen, an audible and visual alarm, an alarm button and an emptying button, An inner side surface and an outer side surface between the open end of the infusion pump shell are provided with a placement groove, and the magnetic buckle is fixed in the placement groove, The display shell is placed close to the open end of the infusion pump shell, and the side of the display shell in contact with the infusion pump shell is provided with a placement groove, and the magnetic buckle is fixed in the placement groove, and the magnetic buckle in the display shell is correspondingly adsorbed with the magnetic buckle in the infusion pump shell, The display shell is rotatably connected with the infusion pump shell through the rotating hinge, and the rotating hinge and the magnetic buckle are respectively arranged on both sides of the opening of the infusion pump shell, and the rotating hinge is provided with a plurality of rotating hinges which are arranged along the axial direction, The other side of the display shell is provided with a display screen, The other side of the display shell is provided with an audible and visual alarm, an alarm button and an emptying button, and the audible and visual alarm, the alarm button and the emptying button are arranged below the display screen, The mounting hole, the infusion tube limiting ring, the infusion tube limiting plate, the protective cover, the infusion tube, the infusion conveying motor, the rotating shaft, the infusion roller, the rotating groove, the rotating plate, the supporting spring, the positioning roller, the photoelectric receiver, the micro pressure sensor and the infrared LED lamp are arranged between the placement plate and the display shell, The improved medical infusion pump further comprises a multi-stage alarm system, and the multi-stage alarm system comprises a signal converter, a data processor, a data storage, a controller and a main system, The signal converter is arranged in the display shell, and the data processor is arranged in the display shell, The audible and visual alarm, the alarm button, the emptying button and the infusion conveying motor are connected through data lines and the controller, The photoelectric receiver is connected with the signal converter through a data transmission line, and the motor encoder in the infusion conveying motor is connected with the signal converter, The signal converter and the data processor interact with each other, and the data processor is connected with the data storage, The data storage has a mapping relationship between the transmittance and the bubble volume established according to a large amount of experimental data and theoretical analysis, when the device starts, the infrared LED starts to work, emits infrared light and shoots at the infusion tube, the photoelectric receiver is responsible for receiving the infrared light transmitted through the infusion tube, in this process, the energy of the photons is transferred to the electrons in the photoelectric element, so that the state of the electrons changes, and then an electric signal is generated, the signal converter amplifies these weak electric signals, then through filtering and other operations, effectively filters out noise and interference signals, finally converts the processed analog electric signal into a digital signal, and transmits it to the data processor, the data processor calculates the transmittance according to the digital signal output by the signal converter, then compares and analyzes the calculated transmittance with the relationship model stored in the data storage in advance, and obtains the bubble volume, once the calculated bubble volume is greater than 0.5ml, the data processor will send a signal to the controller, after the controller receives the signal, on the one hand, it drives the audible alarm to alarm, and at the same time, it pushes an emergency notification to the main system, on the other hand, it immediately controls the infusion transmission motor to stop working to ensure the safety of infusion, and records the alarm to the data storage, The motor encoder generates a pulse signal when the infusion transmission motor rotates, the signal converter amplifies, filters and adjusts it to a suitable digital signal, and the data processor calculates the motor speed by counting the number of pulses per unit time according to the preset encoder parameters, and then calculates the liquid flow rate of the infusion tube by combining the pre-determined liquid volume pumped by the motor per rotation, The data storage has a corresponding relationship model between the pressure in the infusion tube and the liquid flow rate established according to a large amount of experimental data and theoretical analysis, the corresponding relationship model between the pressure in the infusion tube and the liquid flow rate introduces the pipe diameter, material and viscosity of the liquid as correction variables, the micro pressure sensor works with internal pressure sensitive elements, when there is liquid flowing in the infusion tube, it will exert pressure on the pressure sensor, at this time, the resistance value in the sensor will change linearly with the pressure, by accurately measuring the change of this physical property, the pressure sensor can convert the pressure in the infusion tube into an electric signal and output it to the signal converter, the signal converter converts the received electric signal into a digital signal and transmits it to the data processor, the data processor will continuously monitor the pressure, once the pressure continuously rises and exceeds the pressure range during normal infusion, the data processor will determine that the infusion tube is blocked, at this time, the display screen will flash and alarm, and the alarm record will be stored in the data storage, in addition, when the pressure continuously stays at a low level, the data processor automatically sends a signal to the controller, the controller will drive the infusion transmission motor to automatically adjust the speed to compensate for the error until the pressure value returns to normal, The multi-level alarm system mainly realizes the following steps when executed: The infusion tube clamp is placed in the infusion tube limiting ring, and then passes between the infusion tube limiting ring transverse plate and the two infusion tube limiting plates, and the bottom end of the infusion tube is pressed and clamped between the two rotating plates and the placement plate through the two positioning rollers, and the infusion tube is clamped in the mounting hole near the two ends of the infusion tube pump shell, and the infusion conveying motor drives the rotating shaft to rotate, so that the infusion roller rotates around the circular sliding, and the infusion roller extrudes the infusion tube in sequence, forming a local vacuum area in the infusion tube, and the liquid in the infusion tube is sucked into the area, and the sucked liquid is pushed forward by the subsequent infusion tube as the infusion roller continues to rotate, so that the liquid is transported in a cycle, and in the liquid transmission process, the infrared LED starts to work, emits infrared light and shoots towards the infusion tube, and the photoelectric receiver is responsible for receiving the infrared light through the infusion tube, and the signal converter converts the electrical signal into a digital signal, and the data processor calculates the bubble volume according to the digital signal output by the signal converter, and once the calculated bubble volume is greater than 0.5ml, the data processor sends a signal to the controller, and the controller receives the signal, on the one hand, drives the audible alarm to alarm, and at the same time, pushes the emergency notification to the main system, on the other hand, immediately controls the infusion conveying motor to stop working, so as to ensure the safety of infusion, and the alarm record is stored in the data storage, at the same time, the liquid flow rate of the infusion tube is calculated according to the motor encoder, the pressure in the infusion tube is converted into an electrical signal by the micro pressure sensor, and the electrical signal is output to the signal converter, the signal converter converts the received electrical signal into a digital signal and transmits it to the data processor, the data processor continuously monitors the pressure, and once the pressure continuously rises and exceeds the pressure range during normal infusion, the data processor will determine that the infusion tube is blocked, at this time, the display screen will flash and alarm, and the alarm record is stored in the data storage, in addition, when the pressure continuously stays at a low level, the data processor automatically sends a signal to the controller, and the controller drives the infusion conveying motor to automatically adjust the rotating speed to compensate for the error until the pressure value returns to normal, when a staff member comes to handle the alarm, the emptying button needs to be pressed to determine that the staff member handles the alarm, otherwise the alarm will continue, when the staff member finds that an accident occurs during the drug injection process, the alarm button can also be pressed to send an alarm to the system, so that the controller stops working and records and stores in the data storage, Further, the support spring is sleeved with a support sleeve, the length of the support sleeve is less than the shortest length of the support spring, the support spring and the support sleeve are one-to-one corresponding, and the support sleeve is in a cylindrical structure, Further, the infusion roller side is sleeved with an infusion roller protective sleeve, the infusion roller protective sleeve is in a cylindrical structure, and the infusion roller is made of rubber material.

[0009] Beneficial effects.

[0010] I. Can effectively block the heat loss of the heating area, avoid affecting the normal work of other parts of the infusion pump, and ensure the overall stability of the equipment.

[0011] II. Can adapt to different pipe diameter infusion pipes, and tightly adhere to the infusion pipe to improve the heating effect.

[0012] III. High heating efficiency, ensuring uniform heating of the medicine in the infusion pipe. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a perspective view of an improved medical infusion pump of the present application; Figure 2 is a perspective view of an improved medical infusion pump of the present application; Figure 3 is a perspective view of an improved medical infusion pump of the present application; Figure 4 is a structural schematic view of an improved medical infusion pump of the present application; Figure 5 is a structural schematic view of an improved medical infusion pump of the present application; Figure 6 is a perspective view of embodiment 2 of an improved medical infusion pump of the present application; Figure 7 is a perspective view of embodiment 3 of an improved medical infusion pump of the present application; Figure 8 is a perspective view of a bent groove type infusion warming structure of the present application; Figure 9 is a perspective view of a bent groove type infusion warming structure of the present application; Figure 10 is a structural schematic view of a bent groove type infusion warming structure of the present application; Figure 11 is a structural schematic view of a bent groove type infusion warming structure of the present application; Figure 12 is a structural schematic view of embodiment 2 of a bent groove type infusion warming structure of the present application; Figure 13 is a perspective view of embodiment 3 of a bent groove type infusion warming structure of the present application.

[0014] IN THE DRAWINGS Wherein is: display shell (1), infusion pump shell (2), display screen (3), rotating hinge (4), infusion tube (5), sound hole (6), alarm button (7), empty button (8), mounting hole (9), rotating groove (10), rotating plate (11), positioning roller (12), protective cover (13), magnetic buckle (14), placing plate (15), rotating shaft (16), infusion roller (17), infusion tube limiting ring (18), infusion tube limiting plate (19), infusion conveying motor (20), miniature pressure sensor (21), photoelectric receiver (22), support spring (23), infrared LED lamp (24), positioning roller protective sleeve (25), infusion roller protective sleeve (26), temperature insulation frame (27), heat-conducting elastic block (28), positioning groove (29), infusion tube placing groove (30), positioning block (31), temperature adjusting groove (32), heating plate (33), heating resistance wire (34), metal heat-conducting block (35), temperature detector (36). DETAILED DESCRIPTION

[0015] Example 1

[0016] The bending groove type infusion heating structure of the present application is composed of a positioning groove (29), a temperature insulation frame (27), a positioning block (31), a heating plate (33), a heating resistance wire (34), a heat-conducting elastic block (28) and an infusion tube placing groove (30), The positioning groove (29) is formed at the inner side of the bottom end of the infusion pump shell (2), The temperature insulation frame (27) is arranged in the infusion pump shell (2), and is arranged between the placing plate (15) and the display shell (1), wherein the temperature insulation frame (27) has a rectangular structure and is open on one side, and the opening direction of the temperature insulation frame (27) is the same as that of the infusion pump shell (2), The positioning block (31) is fixedly arranged at the outer side of the bottom end of the temperature insulation frame (27), and the temperature insulation frame (27) is slidably connected with the infusion pump shell (2) through the cooperation of the positioning block (31) and the positioning groove (29), The top end and the bottom end of the temperature insulation frame (27) are both provided with notches, and the bottom end notch is communicated with the mounting hole (9) of the bottom end of the infusion pump shell (2), The heating plate (33) is arranged in the temperature insulation frame (27), and the heating plate (33) is fixedly connected with the closed end of the temperature insulation frame (27) and the adjacent surface thereof, and the heating plate (33) is made of ceramic material, The heating resistance wire (34) is arranged in the heating plate (33), and the heating resistance wire (34) has a wave shape structure and is arranged close to the side surface of the temperature insulation frame (27) around, The heat-conducting elastic block (28) is fixedly connected with the heating plate (33) on one side, and is fixedly connected with the temperature insulation frame (27) on the side adjacent to the heating plate (33), and the heat-conducting elastic block (28) is made of heat-conducting silica gel material, The heat-conducting elastic block (28) is provided with an infusion tube placing groove (30), the cross section of the infusion tube placing groove (30) is in an arc structure, and the plane in which the arc straight line is located coincides with one side of the heat-conducting elastic block (28), and the plane is close to the setting, and the infusion tube placing groove (30) is communicated with the top end and the bottom end notch of the temperature insulation frame (27), A part of the infusion tube (5) is clamped in the infusion tube placing groove (30), and the part of the infusion tube (5) is clamped in the infusion tube placing groove (30) from the top end notch of the temperature insulation frame (27), and then is clamped in the infusion tube placing groove (30), and then is clamped in the infusion tube placing groove (30), and then is clamped in the infusion tube placing groove (30), In use, a part of the infusion tube (5) is clamped in the infusion tube placing groove (30), and the part of the infusion tube (5) is clamped in the infusion tube placing groove (30) from the top end notch of the temperature insulation frame (27), and then is clamped in the infusion tube placing groove (30), and then is clamped in the infusion tube placing groove (30), and then is clamped in the infusion tube placing groove (30), Example 2

[0017] The difference between the embodiment and the embodiment 1 is that the temperature adjusting groove (32) is filled with a metal heat-conducting block (35), the metal heat-conducting block (35) is made of copper material, and the side surface of the metal heat-conducting block (35) is in close contact with the side surface of the temperature adjusting groove (32), in use, the metal heat-conducting block (35) uniformly distributes the heat in the inside after absorbing the heat, and then the heat is further conducted to the heat-conducting elastic block (28) in close contact with the metal heat-conducting block (35), the heat-conducting elastic block (28) has good flexibility and heat conductivity, and can be in full contact with the infusion tube (5), and uniformly distributed heat is accurately transmitted to the infusion tube (5), the medicine in the infusion tube (5) is heated gently under the action of the uniform heat, and the local overheating or overcooling is avoided, the medicine is ensured to be delivered to the patient's body at the appropriate temperature, and the effect and safety of the infusion treatment are ensured; Example 3

[0018] The difference between the embodiment and embodiment 1 is that the temperature detector (36) is fixed on one side of the heat-conducting elastic block (28), the infusion tube placing groove (30) and the temperature detector (36) are on the same side of the heat-conducting elastic block (28), and the temperature of the heat-conducting elastic block (28) can be detected in real time through the temperature detector (36) during use. If the detected temperature is lower than the preset suitable infusion temperature range, it indicates that the heating power is insufficient, at this time, the heating power of the heating resistance wire (34) is appropriately increased to increase the heat generation, so that the temperature of the heat-conducting elastic block (28) rises, and it is ensured that the medicine in the infusion tube (5) can be heated to a suitable temperature. On the contrary, if the detected temperature is higher than the preset range, it may have adverse effects on the stability and effectiveness of the medicine, and even may cause discomfort to the patient, at this time, the heating power of the heating resistance wire (34) should be reduced to reduce the heat output, so that the temperature of the heat-conducting elastic block (28) is reduced to a suitable level; The heating plate (33) is internally provided with a heating resistance wire (34), the heating resistance wire (34) has a wave-shaped structure, and is placed close to the side surface of the temperature insulation frame (27) around. The wave-shaped resistance wire increases the heating area, so that the heating is more uniform, and the placement close to the side surface of the temperature insulation frame (27) around can efficiently transfer heat to the heat-conducting elastic block (28), improve the heating efficiency, and ensure that the medicine in the infusion tube (5) is uniformly heated; One side of the heat-conducting elastic block (28) is fixedly connected with the heating plate (33), and the side adjacent to the heat-conducting elastic block (28) is fixedly connected with the temperature insulation frame (27). The heat-conducting elastic block (28) is made of heat-conducting silica gel material. The good heat-conducting performance of the heat-conducting silica gel can quickly conduct the heat of the heating plate to the infusion tube, and the elasticity can adapt to infusion tubes (5) of different diameters, tightly fit, increase the contact area, improve the heating effect, and also reduce the wear on the infusion tube (5), prolong the service life thereof; The heat-conducting elastic block (28) is provided with an infusion tube placing groove (30) thereon. The cross section of the infusion tube placing groove (30) is in an arc shape, and the plane in which the arc straight line is located coincides with one side of the heat-conducting elastic block (28), and the plane is close to the setting. The infusion tube placing groove (30) is in communication with the top and bottom notches of the temperature insulation frame (27). The arc design maximizes the contact area between the infusion tube and the heat-conducting elastic block (28), ensures that the medicine is fully heated, the notch communication design facilitates the installation and positioning of the infusion tube (5), so that the infusion tube (5) remains stable during the entire infusion process, avoids displacement affecting the heating and infusion effect; The purpose of the curved groove type infusion warming structure is achieved, which can generate heat through the heating resistance wire (34), uniformly conduct the heat to the side of the infusion tube (5) through the heat-conducting elastic block (28), and then heat the medicine in the infusion tube (5).

[0019] Need to explain, the said bending groove type infusion heating structure needs to be installed in the following one improved medical infusion pump uses; The improved medical infusion pump is composed of an infusion assembly and a display assembly, The infusion assembly is composed of an infusion pump shell (2), a placing plate (15), a mounting hole (9), an infusion tube limiting ring (18), an infusion tube limiting plate (19), a rotating shaft (16), an infusion roller (17), a rotating groove (10), a rotating plate (11), a supporting spring (23), a positioning roller (12), a photoelectric receiver (22), and a micro pressure sensor (21), The infusion pump shell (2) is in a square frame structure, and one side is an open structure, The placing plate (15) is placed in the infusion pump shell (2), and the side surface of the placing plate (15) is fixedly connected to the inner side surface of the infusion pump shell (2) at the middle position in the opening direction, The infusion pump shell (2) is provided with a mounting hole (9) at the top end and the bottom end respectively, and is placed close to the opening end, The infusion tube limiting ring (18) is fixedly placed on the side surface of the placing plate (15) and placed close to the opening end of the infusion pump shell (2), the infusion tube limiting ring (18) is composed of a three-quarter circular ring and two horizontal plates, the two horizontal plates are fixedly connected to the two ends of the three-quarter circular ring, and the two horizontal plates are arranged in parallel, and the center axis of the three-quarter circular ring is on the middle plane of the two horizontal plates, The outer side surface of the infusion tube limiting ring (18) is provided with a clamping rib, The infusion tube limiting plate (19) is fixedly placed on the side surface of the placing plate (15) and placed between the two horizontal plates of the infusion tube limiting ring (18), the infusion tube limiting plate (19) is in a strip-shaped structure and arranged in parallel with the horizontal plate of the infusion tube limiting ring (18), and the infusion tube limiting plate (19) is provided with two, and the two infusion tube limiting plates (19) are symmetrically arranged about the infusion tube limiting ring (18), The protective cover (13) is clamped on the side surface of the infusion tube limiting ring (18) through the clamping rib, One end of the infusion tube (5) is placed outside the infusion pump shell (2), the other end of the infusion tube (5) passes through the mounting hole (9) at the top end of the infusion pump shell (2) and enters the inside of the infusion pump shell (2), and then extends out of the infusion pump shell (2) through the mounting hole (9) at the bottom end, And the infusion tube (5) is placed in one part of the infusion pump shell (2) between the infusion tube limiting ring (18) and the infusion tube limiting plate (19), enters the infusion tube limiting ring (18), and then successively passes through the other infusion tube limiting ring (18) between the other infusion tube limiting ring (18) and the other infusion tube limiting ring (18) from the infusion tube limiting ring (18), and then extends out from the infusion tube limiting ring (18), The infusion conveying motor (20) is fixedly connected to the other side of the placement plate (15), the motor shaft of the infusion conveying motor (20) penetrates the placement plate (15), and a support bearing is arranged between the motor shaft and the placement plate (15), The motor encoder is arranged in the motor shaft of the infusion conveying motor (20), The middle part of the rotating shaft (16) is fixedly connected to the motor shaft of the infusion conveying motor (20), the rotating shaft (16) has a strip-shaped structure, and the two ends of the rotating shaft (16) are provided with placement grooves, The infusion roller (17) is arranged in the placement groove of the rotating shaft (16), the infusion roller (17) is rotatably connected to the rotating shaft (16) through a rotating shaft, and the infusion roller (17) is in one-to-one correspondence with the rotating groove of the rotating shaft (16), The placement plate (15) is provided with rotating grooves (10), the rotating grooves (10) have a strip-shaped structure, and two rotating grooves (10) are arranged along the width direction of the placement plate (15), The bottom end of the rotating plate (11) is arranged in the rotating groove (10), the bottom end of the rotating plate (11) is rotatably connected to the rotating groove (10) through a rotating shaft, the rotating plate (11) has a strip-shaped structure, the top end of the rotating plate (11) is provided with a recess, and the rotating plate (11) is in one-to-one correspondence with the rotating groove (10), One end of the support spring (23) is fixedly connected to the side of the placement plate (15), the other end of the support spring (23) is fixedly connected to the middle part of the side of the rotating plate (11), the support spring (23) is provided with two groups, each group of the support spring (23) is in one-to-one correspondence with the rotating plate (11), each group of the support spring (23) is provided with a plurality of support springs, and the plurality of support springs (23) in each group are arranged at equal distances along the length direction of the rotating plate (11), The central shaft of the positioning roller (12) is arranged in the recess of the rotating plate (11), the positioning roller (12) is rotatably connected to the top end of the rotating plate (11) through a rotating shaft, the diameter of the positioning roller (12) is greater than the thickness of the rotating plate (11), and the positioning roller (12) is in one-to-one correspondence with the rotating plate (11), And one part of the infusion tube (5) arranged in the infusion pump shell (2) is arranged between the two rotating plates (11), The photoelectric receiver (22) is fixed on the side of the placement plate (15) and is arranged between the two rotating grooves (10), and the two rotating grooves (10) are symmetrically arranged relative to the photoelectric receiver (22), The micro pressure sensor (21) is fixed on the side of the placement plate (15) and is arranged between the two rotating grooves (10), and the two rotating grooves (10) are symmetrically arranged relative to the micro pressure sensor (21), The display assembly is composed of a magnetic buckle (14), a display shell (1), a rotating hinge (4), a display screen (3), an audible and light alarm (6), an alarm button (7) and an emptying button (8), The inner side and the outer side between the opening end of the infusion pump shell (2) are provided with a placement groove, and the magnetic buckle (14) is fixed in the placement groove, The display shell (1) is placed close to the opening end of the infusion pump shell (2), and the side of the display shell (1) in contact with the infusion pump shell (2) is provided with a placement groove, and the magnetic buckle (14) is fixed in the placement groove, The display shell (1) is rotatably connected with the infusion pump shell (2) through the rotating hinge (4), and the rotating hinge (4) and the magnetic buckle (14) are arranged on the two sides of the opening of the infusion pump shell (2), respectively, and the rotating hinge (4) is provided with a plurality of rotating hinges (4) arranged along the axial direction, The other side of the display shell (1) is provided with a display screen (3), The other side of the display shell (1) is provided with an audible and light alarm (6), an alarm button (7) and an emptying button (8), and the audible and light alarm (6), the alarm button (7) and the emptying button (8) are arranged below the display screen (3), The mounting hole (9), the infusion tube limiting ring (18), the infusion tube limiting plate (19), the protective cover (13), the infusion tube (5), the infusion conveying motor (20), the rotating shaft (16), the infusion roller (17), the rotating groove (10), the rotating plate (11), the supporting spring (23), the positioning roller (12), the photoelectric receiver (22), the micro pressure sensor (21) and the infrared LED lamp (24) are arranged between the placement plate (15) and the display shell (1), The improved medical infusion pump further comprises a multi-stage alarm system, the multi-stage alarm system comprises a signal converter, a data processor, a data storage, a controller and a main system, The signal converter is arranged in the display shell (1), and the data processor is arranged in the display shell (1), The sound-light alarm (6), the alarm button (7), the emptying button (8) and the infusion transmission motor (20) are connected with the controller through data lines, The photoelectric receiver (22) is connected with the signal converter through data transmission lines, and the motor encoder in the infusion transmission motor (20) is connected with the signal converter, The signal converter and the data processor interact with information, and the data processor is connected with the data storage, The data storage pre-stores a mapping relationship between the light transmittance and the bubble volume established according to a large amount of experimental data and theoretical analysis. When the equipment starts, the infrared LED (24) starts to work, emits infrared light and shoots at the infusion tube. The photoelectric receiver (22) is responsible for receiving the infrared light transmitted through the infusion tube (5). In this process, the energy of the photons is transferred to the electrons in the photoelectric element, so that the state of the electrons changes, and then an electric signal is generated. The signal converter amplifies these weak electric signals, then through filtering and other operations, effectively filters out noise and interference signals, finally converts the processed analog electric signal into a digital signal, and transmits it to the data processor. The data processor calculates the light transmittance according to the digital signal output by the signal converter. Then, the calculated light transmittance is compared and analyzed with the mapping relationship pre-stored in the data storage to obtain the bubble volume. Once the calculated bubble volume is greater than 0.5ml, the data processor will send a signal to the controller. After the controller receives the signal, on the one hand, it drives the sound-light alarm (6) to alarm, and at the same time, it pushes an emergency notification to the main system. On the other hand, it immediately controls the infusion transmission motor (20) to stop working to ensure the safety of infusion, and stores the alarm record to the data storage, The motor encoder generates a pulse signal when the infusion transmission motor (20) rotates. The signal converter amplifies, filters and adjusts it to a suitable digital signal. The data processor calculates the motor speed by counting the number of pulses per unit time according to the preset encoder parameters, and then calculates the liquid flow rate of the infusion tube (5) by combining the pre-determined liquid volume pumped by the infusion transmission motor (20) per rotation, The data storage pre-stores a corresponding relationship model of the pressure in the infusion tube and the liquid flow rate established according to a large amount of experimental data and theoretical analysis, the corresponding relationship model of the pressure in the infusion tube and the liquid flow rate introduces the pipe diameter, material, and viscosity of the liquid of the infusion tube (5) as correction variables, the micro pressure sensor (21) works by using an internal pressure sensitive element, when there is liquid flowing in the infusion tube (5), the micro pressure sensor (21) will be subjected to pressure, at this time, the resistance value in the micro pressure sensor (21) will change linearly with the change of the pressure, by accurately measuring the change of this physical property, the pressure sensor can convert the pressure in the infusion tube (5) into an electrical signal and output to the signal converter, the signal converter converts the received electrical signal into a digital signal and transmits it to the data processor, the data processor continuously monitors the pressure, once the pressure continuously rises and exceeds the pressure range during normal infusion, the data processor will determine that the infusion tube (5) is blocked, at this time, the display screen (3) will flash and alarm, and the alarm record will be stored in the data storage, in addition, when the pressure continuously stays at a low level, the data processor automatically transmits a signal to the controller, the controller drives the infusion transmission motor (20) to automatically adjust the speed to compensate for the error until the pressure value returns to normal, The multi-stage alarm system mainly realizes the following steps when executed: The infusion tube (5) is clamped in the infusion tube limiting ring (18), and sequentially passes between the infusion tube limiting ring (18) transverse plate and two infusion tube limiting plates (19), and the bottom end of the infusion tube (5) is pressed and clamped between the two positioning rollers (12) and the two rotating plates (11) and the placement plate (15), and the infusion tube (5) is clamped in the mounting hole (9) near the two ends of the infusion pump shell (2), and the driving infusion conveying motor (20) drives the rotating shaft (16) to rotate, so that the infusion roller (17) slides around the circle, and the infusion roller (17) sequentially extrudes the infusion tube (5), and a local vacuum area is formed in the infusion tube (5), and the liquid in the infusion tube (5) is sucked into the area, and the sucked liquid is pushed forward by the subsequent infusion tube (5) as the infusion roller (17) continues to rotate, so that the liquid is transported in a cycle, and in the liquid transmission process, the infrared LED lamp (24) starts to work, emits infrared light to the infusion tube (5), and the photoelectric receiver (22) is responsible for receiving the infrared light transmitted through the infusion tube (5). The signal converter converts the electrical signal into a digital signal, and the data processor obtains the bubble volume according to the digital signal output by the signal converter, and once the obtained bubble volume is greater than 0.5ml, the data processor sends a signal to the controller, and the controller receives the signal, on the one hand, drives the audible alarm (6) to alarm, and at the same time, pushes an emergency notification to the main system, on the other hand, immediately controls the infusion conveying motor to stop working, so as to ensure the safety of infusion, and records the alarm to the data storage, at the same time, according to the motor encoder, the liquid flow rate of the infusion tube (5) is calculated by using the formula, the pressure in the infusion tube (5) is converted into an electrical signal by the micro pressure sensor (21) and output to the signal converter, the signal converter converts the received electrical signal into a digital signal and transmits it to the data processor, the data processor continuously monitors the pressure, and once the pressure continuously rises and exceeds the pressure range during normal infusion, the data processor will determine that the infusion tube (5) is blocked, at this time, the display screen (3) will flash and alarm, and the alarm record is stored in the data storage, in addition, when the pressure continuously stays at a low level, the data processor automatically sends a signal to the controller, and the controller drives the infusion conveying motor (20) to automatically adjust the rotating speed, so as to compensate for the error until the pressure value returns to normal, when a staff member comes to handle the alarm, the emptying button (8) needs to be pressed, so as to determine that a staff member handles the alarm, otherwise the alarm continues, when the staff member finds that an accident occurs during drug injection, the alarm button (7) can also be pressed to send an alarm to the system, so as to drive the controller to stop working and record storage to the data storage; Example 2

[0020] The difference between this embodiment and embodiment 1 is that: a support sleeve (25) is fitted on the support spring (23), the length of the support sleeve (25) is less than the shortest length of the support spring (23), the support spring (23) and the support sleeve (25) correspond one-to-one, the support sleeve (25) has a cylindrical structure, when in use, the support sleeve (25) can effectively support the rotating plate (11), ensuring that the rotating plate (11) maintains a reasonable position and angle when the spring extends and retracts, so that the two rotating plates (11) always maintain a suitable opening distance, and medical staff can easily and quickly insert the infusion tube (5), which improves the convenience and efficiency of operation; Example 3

[0021] The difference between this embodiment and embodiment 1 is that: the infusion roller (17) is fitted with an infusion roller protective sleeve (26) on its side. The infusion roller protective sleeve (26) has a cylindrical structure. The infusion roller (17) is made of rubber. When in use, the soft material of the infusion roller protective sleeve (26) effectively avoids physical damage to the infusion tube (5) caused by excessive friction, thus extending the service life of the infusion tube (5). The design of the motor encoder installed in the motor shaft of the infusion delivery motor (20) can monitor the rotation of the infusion delivery motor (20) in real time, convert the rotation information into an electrical signal output, and, combined with the signal converter and data processor, accurately calculate the rotation speed of the infusion delivery motor (20), thereby achieving precise control of the infusion flow rate and meeting the precise requirements of various clinical infusion treatment plans. The design of placing the infusion roller (17) in the placement groove of the rotating shaft (16) and rotating it to the rotating shaft (16) allows the infusion roller (17) to squeeze the infusion tube (5) in sequence under the drive of the infusion delivery motor (20). This can both promote the flow of liquid and reduce damage to the infusion tube (5), thus ensuring the quality and safety of the infusion. One end of the support spring (23) is fixedly connected to the side of the placement plate (15), and the other end of the support spring (23) is fixedly connected to the middle of the side of the rotating plate (11). There are two sets of support springs (23), and each set of support springs (23) corresponds to the rotating plate (11). There are multiple support springs (23) in each set. The multiple support springs (23) in each set are arranged at equal intervals along the length of the rotating plate (11). The elastic force provided by the support springs (23) allows the rotating plate (11) to flexibly adapt to infusion tubes (5) of different sizes. No matter what the diameter of the infusion tube (5) is, the rotating plate (11) can fix it in a stable position. At the same time, medical staff can more easily lock or remove the infusion tube (5) and reduce the probability of damage to mechanical components. The photoelectric receiver (22) is fixed between the two rotating grooves on the side of the placement plate (15), and is designed to work with the infrared LED lamp (24). The design can monitor the light transmittance change in the infusion tube (5) in real time, detect the light transmittance change caused by the bubbles, accurately identify the bubbles in the infusion tube (5), and timely discover potential infusion risks to ensure the safety of the patient's infusion. The micro pressure sensor (21) is fixed between the two rotating grooves on the side of the placement plate (15), and works with the internal pressure sensitive element. When the liquid in the infusion tube (5) flows, the pressure change can be converted into an electrical signal output. By monitoring the pressure in the infusion tube in real time, the infusion tube blockage and abnormal liquid flow rate can be discovered in time, providing an important basis for the safety monitoring of the infusion process. The display shell (1) is provided with an audible and visual alarm (6), an alarm button (7) and an emptying button (8) on the other side. The audible and visual alarm uses a combination of sound and light, which can quickly send a strong signal when the infusion has excessive bubbles, blockage or pressure abnormalities, and can also attract the attention of medical staff in noisy or complex light environments, thereby expanding the warning range and avoiding omissions. The alarm button gives medical staff the power to manually trigger the alarm, allowing them to respond flexibly when the system does not respond in time or in the event of a special accident, thereby enhancing their sense of control over the safety of the infusion. The emptying button plays a role when medical staff handle the alarm. Pressing it can confirm the processing status and avoid repeated processing, thereby restoring the system to normal and improving data recording to provide a basis for medical management and process optimization.

[0022] The infusion assembly can push the liquid to flow, and the display assembly can alarm in the event of an abnormality. The controller can then regulate the relevant equipment according to the specific situation, thereby ensuring the safety and stability of the infusion process.

[0023] It should be noted that unless otherwise explicitly specified and limited, the terms "placed", "connected" and "connected" should be broadly understood. For example, it can be a fixed connection mode such as folding connection, rivet connection, pin connection, adhesive connection and welding connection, or a detachable connection mode such as threaded connection, buckle connection and hinge connection, or integral connection, or electrical connection, or direct connection, or indirect connection through an intermediate medium, or internal communication between 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.

[0024] It should be further pointed out that the above specific embodiments are described for the sake of simplicity and clarity, and only the differences between other embodiments are described. However, those skilled in the art should know that the above specific embodiments themselves are also independent technical solutions.

Claims

1. A bent-trough type infusion heating structure, characterized in that: The device comprises a positioning groove, a heat insulation frame, a positioning block, a heating plate, a heating resistance wire, a thermally conductive elastic block, and an infusion tube placement groove. The positioning groove is located on the inner side of the bottom end of the infusion pump housing. The heat insulation frame is placed inside the infusion pump housing, and a positioning block is fixedly placed on the outer side of the bottom end of the heat insulation frame. The heat insulation frame has notches at both its top and bottom ends, with the bottom notch communicating with the mounting hole at the bottom end of the infusion pump housing. The heating plate is placed inside the heat insulation frame and contains a heating resistance wire. One side of the thermally conductive elastic block is fixedly connected to the heating plate, and the adjacent side of the thermally conductive elastic block is fixedly connected to the heat insulation frame. An infusion tube placement groove is located on the thermally conductive elastic block. A portion of the infusion tube is inserted into this groove, extending from the top notch of the heat insulation frame, then into the infusion tube placement groove, and finally out from the bottom notch of the heat insulation frame. This bent-groove type infusion heating structure is used on an improved medical infusion pump.

2. The bent groove type infusion heating structure according to claim 1, characterized in that... The temperature regulating groove is filled with a metal heat-conducting block, which is made of copper. Each side of the metal heat-conducting block is in contact with the side of the temperature regulating groove.

3. The bent groove type infusion heating structure according to claim 1, characterized in that... A temperature detector is fixed on one side of the thermally conductive elastic block, and the infusion tube placement groove and the temperature detector are both located on the same side of the thermally conductive elastic block.

4. The bent groove type infusion heating structure according to claim 1, characterized in that... The insulation frame is slidably connected to the infusion pump housing via a positioning block and a positioning groove.

5. The bent groove type infusion heating structure according to claim 1, characterized in that... The heat insulation frame is placed between the placement plate and the display housing. The heat insulation frame has a cuboid structure and an opening on one side. The opening direction of the heat insulation frame is the same as that of the infusion pump housing.

6. The bent groove type infusion heating structure according to claim 1, characterized in that... The heating plate is fixedly connected to the closed end of the insulation frame and its adjacent surface, and the heating plate is made of ceramic material.

7. The bent groove type infusion heating structure according to claim 1, characterized in that... The heating resistance wire has a wavy structure and is placed close to the side of the insulation frame on all four sides.

8. The bent groove type infusion heating structure according to claim 1, characterized in that... The thermally conductive elastic block is made of thermally conductive silicone. The cross-section of the infusion tube placement groove is arc-shaped, and the plane where the straight line of the arc is located coincides with one side of the thermally conductive elastic block, and this plane is set close to it.

9. The bent groove type infusion heating structure according to claim 1, characterized in that... The infusion tube placement slot is connected to the top and bottom notches of the insulation frame.

10. The bent groove type infusion heating structure according to claim 1, characterized in that... The improved medical infusion pump consists of an infusion assembly and a display assembly. The infusion assembly comprises an infusion pump housing, a placement plate, mounting holes, an infusion tubing retaining ring, an infusion tubing retaining plate, a rotating shaft, an infusion roller, a rotating groove, a rotating plate, a support spring, a positioning roller, a photoelectric receiver, and a miniature pressure sensor. The infusion pump housing has a square frame structure with an opening on one side. The placement plate is placed inside the infusion pump housing, and its side is fixedly connected to the inner side of the infusion pump housing at the center of the opening direction. The infusion pump housing has mounting holes at its top and bottom, respectively, positioned near the opening. The infusion tubing retaining ring is fixedly placed on the side of the placement plate, near the opening of the infusion pump housing. The infusion tubing retaining ring is composed of a... The system consists of a three-quarter ring and two horizontal plates. The two horizontal plates are fixedly connected to both ends of the three-quarter ring and are arranged parallel to each other. The central axis of the three-quarter ring is located on the middle plane of the two horizontal plates. A retaining rib is provided on the outer surface of the infusion tube limiting ring. The infusion tube limiting plate is fixedly placed on the side of the placement plate and positioned between the two horizontal plates of the infusion tube limiting ring. The infusion tube limiting plate has a long strip structure and is arranged parallel to the horizontal plates of the infusion tube limiting ring. There are two infusion tube limiting plates, which are symmetrically arranged about the infusion tube limiting ring. The protective cover is secured to the side of the infusion tube limiting ring by the retaining rib. One end of the infusion tube is placed on the outside of the infusion pump housing, and the other end of the infusion tube passes through the mounting hole at the top of the infusion pump housing. The infusion tube enters the infusion pump housing, then extends out of the housing through the mounting hole at the bottom. A portion of the infusion tube inside the housing passes between a horizontal plate and another infusion tube limiting plate, entering the infusion tube limiting ring. It then passes sequentially between another horizontal plate and another infusion tube limiting ring, extending out from within the ring. The infusion delivery motor is fixedly connected to the other side of the placement plate. The motor shaft of the infusion delivery motor passes through the placement plate, and a support bearing is placed between the motor and the placement plate. A motor encoder is installed inside the motor shaft. The middle part of the rotating shaft is fixedly connected to the motor shaft of the infusion delivery motor. The rotating shaft has a long, strip-shaped structure, and placement grooves are opened at both ends. The infusion roller is placed on the rotating shaft. Inside the placement slot, the infusion rollers are rotatably connected to a rotating shaft via a rotating shaft. Each infusion roller corresponds one-to-one with a rotating groove on the rotating shaft. The placement plate has two rotating grooves, each elongated in shape, arranged along the width of the placement plate. The bottom end of the rotating plate is placed within one of these rotating grooves, and is rotatably connected to the groove via a rotating shaft. The rotating plate is elongated in shape, with a groove at its top. Each rotating plate corresponds one-to-one with a rotating groove. One end of a support spring is fixedly connected to the side of the placement plate, and the other end is fixedly connected to the center of the side of the rotating plate. There are two sets of support springs, each set corresponding one-to-one with a rotating plate, and each set contains multiple support springs.Multiple support springs in each group are arranged equidistantly along the length of the rotating plate. The central shaft of the positioning roller is placed in the groove of the rotating plate. The positioning roller is rotatably connected to the top of the rotating plate through a rotating shaft, and the diameter of the positioning roller is larger than the thickness of the rotating plate. The positioning rollers correspond one-to-one with the rotating plates. A portion of the infusion tube inside the infusion pump housing is placed between the two rotating plates. The photoelectric receiver is fixedly placed on the side of the placement plate and is positioned between the two rotating slots. The two rotating slots are symmetrically arranged about the photoelectric receiver. The miniature pressure sensor is fixedly placed on the side of the placement plate and is positioned between the two rotating slots. The two rotating slots are symmetrically arranged about the miniature pressure sensor. The display component consists of a magnetic snap, a display housing, a rotating hinge, a display screen, an audible and visual alarm, an alarm button, and a clear button. A placement slot is opened between the inner and outer sides of the opening end of the infusion pump housing. The magnetic snap is fixedly placed in the placement slot. The display housing is placed close to the opening of the infusion pump housing. A placement groove is formed on the side of the display housing that contacts the infusion pump housing, and a magnetic clasp is fixed within this groove. The magnetic clasp inside the display housing corresponds to the magnetic clasp inside the infusion pump housing and is magnetically attracted to it. The display housing is rotatably connected to the infusion pump housing via rotating hinges, with the rotating hinges and magnetic clasps positioned on opposite sides of the opening of the infusion pump housing. Multiple rotating hinges are arranged axially. A display screen is located on the other side of the display housing, along with an audible and visual alarm, an alarm button, and a clear button. These are positioned below the display screen. The mounting hole, infusion tube limiting ring, infusion tube limiting plate, protective cover, infusion tube, infusion delivery motor, rotating shaft, infusion roller, rotating groove, rotating plate, support spring, positioning roller, photoelectric receiver, miniature pressure sensor, and infrared LED are all placed between the placement plate and the display housing.

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