Transfusion alarm with function of clamping infusion tube

Abstract

The invention discloses an infusion alarm with a function of clamping and closing an infusion tube, and relates to the technical field of medical auxiliary equipment.The infusion alarm comprises a clamping and closing alarm which is used for clamping and closing the infusion tube and giving an alarm, and the clamping and closing alarm comprises a front shell and a rear shell which are fixedly connected through a screw; the clamping groove is formed in the rear shell and used for clamping and limiting the infusion tube; and the anti-falling wearing mechanism is used for limiting and fixing the clamping alarm on the infusion tube, is convenient to wear and place when not in use, can perform position adjustment and anti-falling on the infusion tube, and is mounted on the rear shell. Through the anti-falling fixing structure, frequent adjustment is not needed, and it is ensured that the alarm is stable and does not slide; position fine adjustment and separation operation do not need complex steps, clinical fast-paced work requirements are met, clamping and closing and alarming are automatically linked, clamping and closing can be manually relieved through a reset button, the process is clear and easy to understand, medical staff and patients can easily operate the device, infusion tubes are prevented from being damaged through the flexible design of a rubber pad, and the device is suitable for infusion tubes of different specifications and high in universality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical auxiliary equipment, and particularly relates to an infusion alarm with a clamping function. BACKGROUND

[0002] The infusion clamping alarm is a medical auxiliary equipment applied to the clinical intravenous infusion scene, which monitors the clamping state of the infusion pipeline in real time, and realizes instant alarm when detecting that the pipeline is in the clamping block state, so as to remind medical staff or patients to timely troubleshoot the pipeline anomaly, avoid treatment delay or safety risks caused by infusion interruption, liquid backflow and pipeline blockage, and finally guarantee the continuity and safety of the intravenous infusion process.

[0003] However, in actual application, there are still some problems that have not been solved, and the following are some common problems of the infusion alarm with a clamping function: first, the fixation is unreliable, the alarm is easy to slide or fall off on the infusion tube, which affects the detection accuracy and use safety; second, the position adjustment is complicated, the fixing structure needs to be completely unlocked to move, which is inconvenient to operate; third, the portability is poor, there is no convenient storage method when not in use, which is easy to lose or damage, and it is difficult to meet the mobile work needs of medical staff. SUMMARY

[0004] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification of the present application to avoid obscuring the purpose of this section, the abstract and the title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0005] In view of the above and / or existing problems in the infusion alarm with a clamping function, the present application is proposed.

[0006] Therefore, the problem to be solved by the present application is how to solve the problems of unreliable fixation and sliding, complicated position adjustment and separation, and portability and storage.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an infusion alarm device with a clamping function for clamping infusion tubing, comprising: a clamping alarm device for clamping and alarming the infusion tubing, including a front shell and a rear shell fixedly connected by screws; and a slot formed on the rear shell for clamping and limiting the infusion tubing; an anti-dislodgement wearing mechanism for limiting and fixing the clamping alarm device to the infusion tubing, and for convenient wearing and placement when not in use, and for position adjustment and anti-dislodgement on the infusion tubing, mounted on the rear shell, including a retaining ring rotatably connected to the rear shell for clamping... The infusion tube is held in the slot to prevent it from detaching; an arc groove is provided at one end of the retaining ring, allowing the retaining ring to be rotated so that it does not abut against the infusion tube, and the position of the clamping alarm on the infusion tube can be adjusted while the retaining ring does not release the restriction on the infusion tube; a rubber pad is fixed to the inner surface of the retaining ring and cooperates with the infusion tube to increase the friction between the retaining ring and the infusion tube, fixing the clamping alarm on the infusion tube and making it difficult to move; and a transmission component is installed on the rear shell, on which a wearing limiter and an ejector are respectively installed, and the transmission component cooperates with the retaining ring, the ejector, and the wearing limiter respectively.

[0008] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube according to the present invention, the clamping alarm device includes a circuit board installed on the inner wall of the front shell for circuit control. A photoresistor for detecting whether there is liquid flow in the infusion tube is installed on the circuit board. A detection groove is opened on the inner wall of the rear shell for the photoresistor to pass through when detecting the infusion tube. An electromagnet and a clamping component are fixed on the inner wall of the rear shell respectively, and the electromagnet and the clamping component cooperate. The clamping component is used to close the infusion tube when there is no liquid flow.

[0009] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube described in this invention, the front shell is respectively provided with an electric bell, a red light, a green light, a switch button and a reset button, and the electric bell, red light, green light and switch button are distributed from top to bottom, and a hanging rope is installed on one side of the rear shell.

[0010] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube according to the present invention, the clamping component includes a clamping block disposed in the inner cavity of the rear shell for opening and closing the infusion tube; a guide rod is fixed to the inner wall of the rear shell; a guide block is slidably sleeved on the guide rod and the guide block is fixed to the surface of the clamping block; a mounting bracket is fixed to the inner wall of the rear shell; an iron rod is slidably mounted on the mounting bracket and the iron rod cooperates with an electromagnet; a guide groove is opened on the clamping block; a guide post is fixed to one end of the iron rod and the guide post slides in the guide groove; and a spring is sleeved on the surface of the iron rod and its two ends are respectively fixed to the surface of the iron rod and the surface of the mounting bracket, for resetting when the iron rod moves and the electromagnet is de-energized.

[0011] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube described in this invention, the transmission component includes a toothed groove formed on the outer surface of the retaining ring, a trigger plate sliding on the rear shell, a rotating rod rotating on the inner wall of the rear shell, and a gear one fixedly sleeved in the middle section of the rotating rod, teeth fixed on one side of the trigger plate for driving the gear one to rotate and mesh, gear two fixedly sleeved at both ends of the rotating rod, and a guide rail fixed on the inner wall of the rear shell for guiding the rotation of the retaining ring, and the retaining ring rotatingly sleeved on the guide rail.

[0012] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube according to the present invention, wherein: a vertical rod is fixed to the inner wall of the rear shell, and gears three and four are respectively rotatable on the vertical rod, with gear four fixed on gear three; gear two and gear four cooperate with each other; gear three meshes with the tooth groove; a torsion spring one is sleeved on the surface of the vertical rod, and the two ends of the torsion spring one are respectively fixed to the inner surface of gear three and the surface of the vertical rod; a roller is rotatable at one end of the trigger plate, and the roller cooperates with the wearing limiter.

[0013] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube according to the present invention, wherein: a spline rod is fixed to the inner wall of the rear shell, and a round block is fixed to one end of the spline rod; a sliding sleeve and a second spring are respectively fitted on the surface of the spline rod, and the two ends of the second spring are respectively fixed to the surface of the sliding sleeve and the surface of the round block; a short block is fixed to the surface of the guide rail, and an arc-shaped rod is fixed to the surface of the short block; a connecting plate and a third spring are respectively fitted on the surface of the arc-shaped rod; one end of the connecting plate is fixed to the surface of the retaining ring, and the two ends of the third spring are respectively fixed to the surface of the connecting plate and the surface of the short block.

[0014] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube according to the present invention, the wearing limiting member includes a cylinder disposed on one side of the rear shell, an unlocking plate for driving the trigger plate to move is fixed on the surface of the cylinder, a clamping plate is fixed on the surface of the cylinder and one end face of the clamping plate abuts against the surface of the rear shell, a handle is fixed on the surface of the cylinder, a release member is installed on the surface of the cylinder and the release member cooperates with the roller, a support block is fixed on the surface of the rear shell and the cylinder is rotatably connected to the support block, a torsion spring is sleeved on both ends of the cylinder and the two ends of the torsion spring are respectively fixed to the surface of the support block and the surface of the cylinder, and a cover plate is detachably fixed on the support block.

[0015] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube according to the present invention, the release component includes a square rod that slides on a cylinder, one end of the square rod is fixed with a pressure block and the pressure block cooperates with a roller, the other end of the square rod is fixed with a pressure plate, and a spring four is sleeved on the surface of the square rod, and the two ends of the spring four are respectively fixed to the surface of the pressure plate and the surface of the cylinder.

[0016] As a preferred embodiment of the infusion alarm device with clamping function of the infusion tube according to the present invention, wherein: the ejector includes a top plate for ejecting the infusion tube out of the slot; a push rod slides on the rear shell, and the top plate is fixed to one end of the push rod; a support plate is fixed to the inner wall of the rear shell; a fixed column is fixed to one end of the support plate; a movable plate rotates on the fixed column; a guide hole one and a guide hole two are respectively opened at both ends of the movable plate; a short column one is fixed to one end of the trigger plate, and the short column one slides in the guide hole one; a short column two is fixed to the other end of the push rod, and the short column two slides in the guide hole two; a torsion spring three is sleeved on the surface of the fixed column, and the two ends of the torsion spring three are respectively fixed to the surface of the movable plate and the surface of the fixed column.

[0017] The beneficial effects of this invention are as follows: 1. The anti-detachment fixing structure eliminates the need for frequent adjustments, ensuring the alarm remains stable and does not slip; the position fine-tuning and separation operations require no complicated steps, adapting to the fast-paced work needs of clinical practice; the clamping and alarm are automatically linked, and the reset button allows for manual release of the clamping; the process is clear and easy to understand, allowing both medical staff and patients to operate easily; the flexible design of the rubber pad avoids damage to the infusion tubing, adapts to different specifications of infusion tubing, and has strong versatility.

[0018] 2. By integrating multiple protections of "automatic clamping + audible and visual alarm", the infusion tube can be quickly shut off when there is no fluid flow, avoiding serious medical risks such as air embolism from the source. The audible and visual alarm can promptly remind patients and medical staff. The wearing limiter can be used for both hanging storage and temporary fixation, solving the problems of easy loss and damage when not in use. It is convenient for medical staff to move around and work. The device has a compact structure and the hanging rope design further enhances portability and can be used at any time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a scene illustration of an infusion alarm device that can clamp the infusion tubing.

[0021] Figure 2 A partial sectional perspective view of an infusion alarm device with the function of clamping the infusion tube.

[0022] Figure 3 A three-dimensional cross-sectional view of the front and rear shells of an infusion alarm device with the function of clamping the infusion tube.

[0023] Figure 4 A three-dimensional cross-sectional view of the rear housing of an infusion alarm device with the function of clamping the infusion tube.

[0024] Figure 5 An infusion alarm device with the function of clamping the infusion tubing Figure 3 Enlarged view of region B in the middle.

[0025] Figure 6 A partial sectional perspective view of the sliding sleeve of an infusion alarm device with the function of clamping the infusion tube.

[0026] Figure 7 A partial sectional perspective view of the support block and cover plate of an infusion alarm device with the function of clamping the infusion tube.

[0027] Figure 8 An infusion alarm device with the function of clamping the infusion tubing Figure 2 Enlarged view of region A in the middle.

[0028] In the diagram: 1. Clamping alarm; 11. Front housing; 12. Rear housing; 13. Slot; 14. Circuit board; 15. Photoresistor; 16. Detection slot; 17. Electromagnet; 18. Clamping component; 19. Electric bell; 110. Red light; 111. Green light; 112. Switch button; 113. Reset button; 114. Lanyard; 2. Anti-slip wearing mechanism; 21. Locking ring; 22. Arc groove; 23. Rubber pad; 24. Transmission component; 25. Wearing limit component; 26. Ejector component; 181. Clamping block; 182. Guide rod; 183. Guide block; 184. Mounting bracket; 185. Iron rod; 186. Guide groove; 187. Guide post; 188. Spring 1; 241. Gear groove; 242. Trigger plate; 243. Rotating rod; 244. Gear 1; 245. Tooth; 246. Gear 2; 247. Guide rail; 248. Vertical 249. Rod; 2410. Gear 3; 2411. Gear 4; 2412. Torsion Spring 1; 2413. Roller; 2414. Spline Rod; 2415. Round Block; 2416. Sliding Sleeve; 2417. Spring 2; 2418. Short Block; 2419. Arc Rod; 2410. Connecting Plate; 24110. Spring 3; 251. Cylinder; 252. Unlocking Plate; 253. Clamping Plate; 254. Handle; 255. Release component; 256, Support block; 257, Torsion spring II; 258, Cover plate; 2551, Square rod; 2552, Pressure block; 2553, Pressure plate; 2554, Spring IV; 261, Top plate; 262, Push rod; 263, Support plate; 264, Fixed column; 265, Movable plate; 266, Guide hole I; 267, Guide hole II; 268, Short column I; 269, Short column II; 2610, Torsion spring III. Detailed Implementation

[0029] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0030] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0032] Example 1, referring to Figures 1-3 This is the first embodiment of the present invention. This embodiment provides an infusion alarm device with the function of clamping the infusion tube. The infusion alarm device with the function of clamping the infusion tube includes a clamping alarm device 1 and an anti-drop-off wearing mechanism 2.

[0033] Specifically, the clamping alarm 1, used to clamp and alarm the infusion tube, includes a front shell 11 and a rear shell 12 fixedly connected by screws.

[0034] The slot 13 is formed on the rear shell 12 and is used to hold and limit the infusion tube. The slot 13 has a U-shaped cross-section, and the diameter of the arc surface is slightly smaller than the diameter of the infusion tube, so that the infusion tube is effective when pressed in it and will not easily come off, making it easy for the retaining ring 21 to rotate and fasten onto the infusion tube.

[0035] Specifically, the anti-detachment wearing mechanism 2 is used to limit and fix the clamping alarm 1 on the infusion tube, and is convenient to wear and place on the body when not in use. It can also be adjusted on the infusion tube and prevent detachment. It is installed on the rear shell 12 and includes a retaining ring 21, which is rotatably connected to the rear shell 12 and is used to limit and prevent detachment of the infusion tube that is held in the retaining groove 13.

[0036] There are two retaining rings 21, symmetrically distributed at the upper and lower ends of one side of the rear shell 12. The retaining rings 21 have a notch design. When the notch corresponds to the slot 13, the infusion tube can be smoothly pressed into the slot 13. Then the retaining rings 21 rotate to transfer the notch to the rear shell 12, and the retaining rings 21 are fitted onto the infusion tube, thereby stably clamping the clamping alarm 1 onto the infusion tube, preventing the infusion tube from shaking, falling off and being damaged. In addition, the setting of two retaining rings 21 can completely fill the slot 13 with the infusion tube, so that there is no situation where there is an infusion tube in one position of the slot 13 but not in other positions. This would prevent the photoresistor 15 from being interfered with by the non-uniform contact of the infusion tube when the photoresistor 15 and the clamping member 18 are detecting or acting on the infusion tube, and the clamping force of the clamping member 18 on the infusion tube is unevenly distributed, resulting in the inability to respond in time or execute the action accurately.

[0037] Specifically, the arc groove 22 is set at one end of the retaining ring 21. Rotating the retaining ring 21 prevents it from contacting the infusion tube. While the retaining ring 21 does not release the limit on the infusion tube, the position of the clamping alarm 1 on the infusion tube can be adjusted.

[0038] One end of the notch of the retaining ring 21 and the side of the arc groove 22 that contacts the infusion tube are both chamfered. After the infusion tube is locked in the main body of the retaining groove 13 through the notch, the retaining ring 21 can rotate smoothly when it is in contact with the infusion tube, avoiding jamming. The arc-shaped guide structure of the arc groove 22 that matches the outer diameter of the infusion tube means that when the entire clamping alarm 1 needs to be moved on the infusion tube, it is not necessary to completely release the retaining ring 21 from the limiting position of the infusion tube. It is only necessary to slightly rotate the retaining ring 21 to shift its limiting surface and prevent it from being in close contact with the infusion tube. At this time, the arc-shaped surface of the arc groove 22 matches the infusion tube and can slide smoothly along the axial direction of the infusion tube, realizing fine adjustment of the position of the device.

[0039] Specifically, the rubber pad 23 is fixed to the inner surface of the retaining ring 21 and cooperates with the infusion tube to increase the friction between the retaining ring 21 and the infusion tube, so that the clamping alarm 1 is fixed on the infusion tube and is not easy to move.

[0040] The rubber pad 23 adopts an arc-shaped structure that matches the inner diameter of the retaining ring 21 and the outer diameter of the infusion tube. It is embedded in the inner surface of the retaining ring 21 facing the infusion tube and fits tightly against the outer wall of the infusion tube. This increases the static friction between the retaining ring 21 and the infusion tube. With the help of friction from pure mechanical contact, the clamping alarm 1 is stably fixed to the infusion tube and is not prone to axial slippage. At the same time, the flexible contact characteristics of the rubber pad 23 can prevent the rigid clamping of the retaining ring 21 from causing squeezing damage to the infusion tube.

[0041] The transmission component 24 is installed on the rear shell 12, which is equipped with a wearing limiter 25 and an ejector 26. The transmission component 24 cooperates with the retaining ring 21, the ejector 26, and the wearing limiter 25. Through the transmission component 24, which is linked and adapted to the retaining ring 21, the retaining ring 21 can be driven to rotate stably around the pivot point, so as to achieve reliable limiting and convenient unlocking of the infusion tube. The whole process is completed by the meshing transmission of a purely mechanical structure, without the need for additional electronically controlled drive components. Through the wearing limiter 25, which has both hook and limiting functions, the clamping alarm 1 can be easily hung on the pocket, belt, or other position of medical staff, improving the portability of the device. At the same time, when the device is not clamped on the infusion tube, the clamping alarm 1 can be temporarily hung on the infusion tube by the wearing limiter 25 to prevent the device from being lost and facilitate subsequent retrieval.

[0042] In addition, the wearing limiter 25 also has a pre-operation constraint function. Before the opening and closing of the retaining ring 21, the wearing limiter 25 must be operated to release the constraint, forming a mechanical anti-accidental touch logic. At the same time, after the retaining ring 21 loses its limiting function on the infusion tube, the clamping alarm 1 can also avoid falling off the infusion tube and causing damage by engaging the wearing limiter 25 with the infusion tube. With the setting of the push-type ejector 26, after the retaining ring 21 releases its limiting function on the infusion tube, continuing to operate the wearing limiter 25 will drive the ejector 26 to quickly push the infusion tube out of the slot 13, completing the separation operation of the device from the infusion tube.

[0043] Example 2, refer to Figures 1-5 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0044] Specifically, the clamping alarm 1 includes a circuit board 14 installed on the inner wall of the front shell 11 for circuit control. A photoresistor 15 for detecting whether there is liquid flow in the infusion tube is installed on the circuit board 14. A detection groove 16 is opened on the inner wall of the rear shell 12 for the photoresistor 15 to pass through when detecting the infusion tube. An electromagnet 17 and a clamping member 18 are fixed on the inner wall of the rear shell 12 respectively. The electromagnet 17 cooperates with the clamping member 18. The clamping member 18 is used to close the infusion tube when there is no liquid flow.

[0045] The photoresistor 15 adopts a transceiver integrated structure, with its detection end facing vertically toward the slot 13. The detection slot 16 is a slot body adapted to the outer diameter of the infusion tube. The slot wall is smoothed to reduce light reflection interference. The detection slot 16 and the photoresistor 15 on the front shell 11 are coaxially aligned to ensure that the light path can pass straight through the infusion tube in the slot 13. The circuit board 14 is fixed to the front shell 11 with screws. It integrates the main control unit, power supply module, alarm trigger module and remote transmission module. This is existing technology. The working principle of this part is also existing technology, which can be clearly understood by those skilled in the art, and will not be described in detail here. The clamping member 18 is used to receive the control signal from the circuit board 14 when there is no fluid flow in the infusion tube. The electromagnetic device 17 drives it to make the arc-shaped clamping part cooperate with the upper wall of the slot 13 to form a clamping force on the infusion tube, thereby closing the infusion passage. At the same time, the circuit board 14 synchronously triggers the electric bell 19 on the alarm module to emit an audible and visual prompt.

[0046] Specifically, the front cover 11 is equipped with an electric bell 19, a red light 110, a green light 111, a switch button 112, and a reset button 113, which are arranged from top to bottom. A lanyard 114 is installed on one side of the rear cover 12. The electric bell 19, red light 110, green light 111, switch button 112, reset button 113, and solenoid 17 are all electrically connected to the circuit board 14. This is prior art, and the working principle of this part is also prior art, which can be clearly understood by those skilled in the art, and will not be described in detail here.

[0047] Normal infusion state: When there is medication flowing through the infusion tube, the medication blocks the light. The photoresistor 15 is affected by the light and presents a specific resistance value. The photosensitive detection circuit outputs a corresponding signal, which is analyzed and processed by the processor on the circuit board 14. The green light 111 is powered on by the photosensitive control signal and lights up, indicating the normal state. The electric bell 19 and the solenoid 17 are de-energized, the infusion tube remains unobstructed, the red light 110 goes out, and there is no alarm action.

[0048] Alarm clamping status: When there is no fluid flow in the infusion tube, the medication has finished infusion, or there is no obstruction to the light, the resistance of the photoresistor 15 changes. After analysis and processing by the processor on the circuit board 14, the electric bell 19 is energized to emit an audible alarm; the solenoid 17 is energized and the clamping device 18 clamps the infusion tube to prevent air embolism; the red light 110 is energized and illuminates, indicating the alarm clamping status; the green light 111 goes out, and the normal state ends. At the same time, the remote transmission module uploads the infusion status data, alarm signals, and operation records to the medical management terminal in real time, such as the nurse station host or mobile nursing APP. It also supports remote status query, realizing the dual protection of "local automatic protection + remote real-time monitoring".

[0049] Manual reset procedure: After the alarm, the solenoid 17 remains energized and the clamping member 18 is in the clamped state. The normally closed reset button 113 needs to be pressed manually. The reset button 113 disconnects the circuit of the solenoid 17, the clamping member 18 is de-energized and released, the infusion line is restored to unobstructed flow, and the red light 110 is turned off simultaneously. The electric bell 19 continues to alarm until the system detects normal fluid flow. Then, the photosensitive detection circuit triggers the green light 111 to light up again, and the system returns to normal monitoring status.

[0050] Specifically, the clamping component 18 includes a clamping block 181 disposed in the inner cavity of the rear shell 12 for opening and closing the infusion tube. A guide rod 182 is fixed to the inner wall of the rear shell 12. A guide block 183 is slidably sleeved on the guide rod 182 and fixed to the surface of the clamping block 181. The clamping block 181 is guided and limited by the guide block 183 and the guide rod 182 to ensure that the clamping block 181 slides smoothly along the axial direction of the guide rod 182. A mounting bracket 184 is fixed to the inner wall of the rear shell 12. An iron rod 185 slides on the mounting bracket 184 and cooperates with the electromagnet 17. A guide groove 186 is opened on the clamping block 181. A guide post 187 is fixed to one end of the iron rod 185 and slides in the guide groove 186.

[0051] The rear shell 12 has a through hole for moving the clamping block 181, and the through hole communicates with the slot 13. The end face of the clamping block 181 facing the infusion tube has an arc-shaped clamp that matches the outer diameter of the infusion tube. The inner wall of the arc-shaped clamp is covered with a flexible anti-slip pad to avoid damage to the infusion tube during clamping and to enhance the clamping seal. The guide rod 182 has a square cross-section, and the mounting bracket 184 has a sliding hole. The iron rod 185 slides through the sliding hole. When the electromagnet 17 is energized, it generates a magnetic attraction force. The adsorption rod 185 moves axially along the sliding hole of the mounting bracket 184. There are two guide posts 187 and two guide grooves 186. The guide grooves 186 and guide posts 187 are used to convert the axial linear motion of the rod 185 into the vertical clamping motion of the clamping block 181. The outer diameter of the guide post 187 is matched with the groove width of the guide groove 186. The guide post 187 can be slidably embedded in the guide groove 186 through a rolling bearing or a smooth collar to reduce sliding friction and improve transmission smoothness.

[0052] Spring 188 is sleeved on the surface of iron rod 185, with its two ends fixed to the surface of iron rod 185 and mounting bracket 184 respectively. It is used to reset iron rod 185 after it moves and when electromagnet 17 is de-energized. Spring 188 is set in a pre-compressed state to ensure that it provides a stable reset force when electromagnet 17 is de-energized. When iron rod 185 is attracted and moved by electromagnet 17 and then de-energized, it drives iron rod 185 to slide back and reset along mounting bracket 184. Then, through the cooperation of guide post 187 and guide groove 186, it drives clamping block 181 to reset synchronously, so that the infusion tube is restored to the unobstructed state.

[0053] Example 3, referring to Figures 1-8 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0054] Specifically, the transmission component 24 includes a toothed groove 241 formed on the outer surface of the retaining ring 21, a trigger plate 242 sliding on the rear shell 12, a rotating rod 243 rotating on the inner wall of the rear shell 12, and a gear 244 fixedly sleeved in the middle section of the rotating rod 243. The rotating rod 243 is rotatably connected to the rear shell 12 through a bearing. A tooth 245 for driving the gear 244 to rotate and mesh is fixed on one side of the trigger plate 242. Gears 246 are fixedly sleeved at both ends of the rotating rod 243. A guide rail 247 for guiding the retaining ring 21 when it rotates is fixed on the inner wall of the rear shell 12, and the retaining ring 21 is rotatably sleeved on the guide rail 247.

[0055] The toothed grooves 241 are arranged in a circular array on the outer surface of the retaining ring 21. The guide rail 247 is arc-shaped with an I-shaped cross-section, which can limit the retaining ring 21 on it and allow the retaining ring 21 to rotate on it. The trigger plate 242 passes through the rear shell 12 and is slidably connected to it. There are several teeth 245, which are arranged in a linear array on the trigger plate 242. The movement of the trigger plate 242 can drive the teeth 245 to move and drive the gear 244 to rotate, thereby causing the rotating rod 243 to rotate.

[0056] Specifically, a vertical rod 248 is fixed to the inner wall of the rear shell 12. Gear 3 249 and gear 4 2410 are rotatably mounted on the vertical rod 248, and gear 4 2410 is fixed to gear 3 249. Gear 3 249 and gear 4 2410 are rotatably connected to the vertical rod 248 through bearings. Gear 2 246 cooperates with gear 4 2410, and gear 3 249 meshes with tooth groove 241. A torsion spring 1 2411 is sleeved on the surface of the vertical rod 248, and the two ends of the torsion spring 1 2411 are fixed to the inner surface of gear 3 249 and the surface of the vertical rod 248, respectively. A roller 2412 rotates on one end of the trigger plate 242, and the roller 2412 cooperates with the wearing limiter 25.

[0057] Gear 4 2410 is an incomplete gear. With this configuration, in conjunction with torsion spring 1 2411, the rotation of the rotating rod 243 drives gear 2 246 to rotate, which in turn drives gear 4 2410 and gear 3 249 to rotate. Under the action of tooth groove 241, the retaining ring 21 can rotate to achieve opening and closing operations. During this process, torsion spring 1 2411 deforms. As gear 2 246 rotates and interacts with the incomplete part of gear 4 2410, and under the action of torsion spring 1 2411 on gear 3 249, gear 2 246 continues to rotate. However, at this time, gear 4 2410 and gear 2 246 are in a critical state of switching between meshing and disengagement, so that gear 3 249 will not drive the retaining ring 21 to rotate over a large range. At the same time, gear 3 249 and gear 4 2410 will not reset under the action of torsion spring 1 2411. During the subsequent reset operation, the trigger plate 242 can move back to drive the corresponding structure to reset.

[0058] Specifically, a spline rod 2413 is fixed to the inner wall of the rear shell 12, and a round block 2414 is fixed to one end of the spline rod 2413. A sliding sleeve 2415 and a second spring 2416 are respectively fitted on the surface of the spline rod 2413, and the two ends of the second spring 2416 are respectively fixed to the surface of the sliding sleeve 2415 and the surface of the round block 2414. The trigger plate 242 is guided and limited by the spline rod 2413 and the sliding sleeve 2415. A short block 2417 is fixed to the surface of the guide rail 247, and an arc-shaped rod 2418 is fixed to the surface of the short block 2417. A connecting plate 2419 and a third spring 24110 are respectively fitted on the surface of the arc-shaped rod 2418. One end of the connecting plate 2419 is fixed to the surface of the retaining ring 21, and the two ends of the third spring 24110 are respectively fixed to the surface of the connecting plate 2419 and the surface of the short block 2417.

[0059] With the setting of spring 2416, when the trigger plate 242 drives the sliding sleeve 2415 to move on the spline rod 2413, it is compressed, and the resulting elastic force provides the force for the reset of the sliding sleeve 2415 and the trigger plate 242. Two short blocks 2417 are fixed on a guide rail 247, and the arc rod 2418 is fixed between them. With the setting of spring 3 24110, when the connecting plate 2419 rotates with the retaining ring 21, spring 3 24110 is compressed, providing the force for the subsequent reset of the connecting plate 2419 and the retaining ring 21.

[0060] Specifically, the wearing limiter 25 includes a cylinder 251 disposed on one side of the rear shell 12. An unlocking plate 252 for driving the trigger plate 242 to move is fixed on the surface of the cylinder 251. A clamping plate 253 is fixed on the surface of the cylinder 251, and one end face of the clamping plate 253 abuts against the surface of the rear shell 12. A handle 254 is fixed on the surface of the cylinder 251. A release component 255 is installed on the surface of the cylinder 251, and the release component 255 cooperates with the roller 2412. A support block 256 is fixed on the surface of the rear shell 12, and the cylinder 251 is rotatably connected to the support block 256. Torsion springs 257 are sleeved on both ends of the cylinder 251, and the two ends of the torsion springs 257 are respectively fixed to the surface of the support block 256 and the surface of the cylinder 251. A cover plate 258 is detachably fixed on the support block 256.

[0061] The unlocking plate 252 has a sloping surface. With this design, when the handle 254 and the front shell 11 are pressed by the index finger and thumb, the cylinder 251, the unlocking plate 252 and the clamping plate 253 can be rotated. The clamping plate 253 opens to facilitate the placement of the infusion tube between it and the rear shell 12. At the same time, the unlocking plate 252 rotates and contacts the roller 2412 on the trigger plate 242. After being squeezed, the trigger plate 242 moves, which in turn causes the retaining ring 21 to rotate and open through the transmission component 24. Then, the infusion tube is initially locked in the retaining groove 13 with the other hand. Then, the pressure on the handle 254 is gradually released, the clamping plate 253 is closed, and the retaining ring 21 is fastened to the infusion tube.

[0062] When the infusion alarm is not in use, it can be conveniently hung in the pocket or belt of medical staff via the clamp 253. The release part 255 allows the trigger plate 242 to be activated, which in turn causes the retaining ring 21 to rotate. When it is necessary to move the entire clamped alarm 1 on the infusion tube, it is not necessary to completely release the retaining ring 21 from the infusion tube. It is only necessary to slightly rotate the retaining ring 21 to shift its limiting surface, so that it is no longer in close contact with the infusion tube. At this time, the arc-shaped surface of the arc groove 22 cooperates with the infusion tube and can slide smoothly along the axial direction of the infusion tube, realizing the fine adjustment of the device's position. The torsion spring 257 deforms when the cylinder 251 rotates, providing force for the cylinder 251 and the structure on it to reset. The cover plate 258 is fixedly connected to the support block 256 by screws.

[0063] Specifically, the release component 255 includes a square rod 2551 that slides on the cylinder 251. The square rod 2551 passes through the cylinder 251 and is slidably connected to it. One end of the square rod 2551 is fixed with a pressure block 2552, and the pressure block 2552 cooperates with the roller 2412. The other end of the square rod 2551 is fixed with a pressure plate 2553. A spring 2554 is sleeved on the surface of the square rod 2551, and the two ends of the spring 2554 are respectively fixed to the surface of the pressure plate 2553 and the surface of the cylinder 251.

[0064] By pressing the pressure plate 2553, the square rod 2551 and the pressure block 2552 are moved, which in turn causes the pressure block 2552 to contact the roller 2412 and push it and the trigger plate 242 to move. This causes the retaining ring 21 to rotate within a small range, causing the retaining ring 21 to shift its limiting surface and no longer make it in close contact with the infusion tube. At this time, the arc-shaped surface of the arc groove 22 cooperates with the infusion tube and can slide smoothly along the axial direction of the infusion tube. Through the setting of the spring 2554, it is compressed when the pressure plate 2553 moves, providing a force for the reset of the pressure plate 2553, the square rod 2551 and the pressure block 2552.

[0065] Specifically, the ejector 26 includes a top plate 261 for ejecting the infusion tube from the slot 13, a push rod 262 sliding on the rear shell 12, and the top plate 261 fixed to one end of the push rod 262. A support plate 263 is fixed to the inner wall of the rear shell 12, and a fixed post 264 is fixed to one end of the support plate 263. A movable plate 265 rotates on the fixed post 264. A guide hole 1 266 and a guide hole 267 are respectively opened at both ends of the movable plate 265. A short post 1 268 is fixed to one end of the trigger plate 242, and the short post 1 268 slides in the guide hole 1 266. A short post 269 is fixed to the other end of the push rod 262, and the short post 269 slides in the guide hole 267. A torsion spring 3 2610 is sleeved on the surface of the fixed post 264, and the two ends of the torsion spring 3 2610 are respectively fixed to the surface of the movable plate 265 and the surface of the fixed post 264.

[0066] Push rod 262 passes through rear shell 12 and is slidably connected to it. Movable plate 265 is rotatably connected to fixed column 264 through bearing. Guide hole 266 is divided into two parts. The first part is that when short column 268 moves in it, it will not cause movable plate 265 to rotate. The second part is that when short column 268 moves in it, it can cause movable plate 265 to rotate. When it is necessary to remove the infusion alarm from the infusion tube, repeat the installation operation to make unlocking plate 252 act on trigger plate 242 to make retaining ring 21 rotate open through transmission component 24. During this process, short column 268 moves in the first part of guide hole 266.

[0067] Then, continue rotating the handle 254, causing the cylinder 251 and the unlocking plate 252 to continue rotating, causing the trigger plate 242 to continue moving, but the retaining ring 21 no longer rotates. At the same time, the short column 268 moves into the second part of the guide hole 266, causing the movable plate 265 to rotate. The short column 269 moves into the guide hole 267, causing the push rod 262 and the top plate 261 to move, pushing the infusion tube out of the slot 13, making it convenient for medical staff to remove the infusion alarm from the infusion tube. Through the setting of the torsion spring 2610, it deforms when the movable plate 265 rotates, providing a force for the reset of the movable plate 265.

[0068] During use, the fluid flow detection and clamping alarm are activated: after the infusion tube is inserted into the clamping slot 13, the photoresistor 15 monitors the fluid flow through the detection slot 16; when there is fluid flow, the green light 111 lights up; when there is no fluid flow, the circuit board 14 triggers the solenoid 17 to be energized, the adsorption rod 185 drives the guide post 187 to move, and drives the clamping block 181 to slide along the guide rod 182 to clamp the infusion tube; at the same time, the electric bell 19 sounds, the red light 110 lights up, and the remote transmission module synchronously sends an alarm signal to the medical terminal.

[0069] Anti-dislodgement fixation and position adjustment: The retaining ring 21 rotates to fasten the infusion tube, and the rubber pad 23 increases the friction to achieve fixation; when fine adjustment of position is required, press the pressure plate 2553 to drive the pressure block 2552 to push the trigger plate 242, and the retaining ring 21 rotates within a small range through gear transmission. The arc groove 22 fits with the infusion tube and can move smoothly along the axial direction without complete unlocking.

[0070] Wearing, storage and prevention of accidental activation: When not in use, the alarm can be hung in a pocket or belt by the clip 253 of the wearing limiter 25; when temporarily placed, it can be hung on the infusion tube to avoid loss; before operating the locking ring 21, the wearing limiter 25 must be unlocked to form a mechanical anti-accidental activation logic.

[0071] Unlocking and Separation: When the alarm needs to be removed, the operating handle 254 drives the unlocking plate 252, which rotates the retaining ring 21 to open via gear transmission; if the operation continues, the ejector 26 can be linked, and the movable plate 265 drives the push rod 262 and the top plate 261 to move, pushing the infusion tube out of the retaining groove 13 and completing the separation.

[0072] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An infusion alarm device with the function of clamping the infusion tubing, characterized in that: include, A clamping alarm (1) for clamping and alarming the infusion tubing includes a front housing (11) and a rear housing (12) fixedly connected by screws; and, A slot (13) is provided on the rear shell (12) and is used to hold and limit the infusion tube; An anti-detachment wearing mechanism (2) is used to limit and fix the clamping alarm (1) to the infusion tube, and is convenient to wear and place on the body when not in use. It can also be adjusted on the infusion tube and prevent detachment. It is installed on the rear shell (12) and includes, The retaining ring (21) is rotatably connected to the rear shell (12) and is used to limit and prevent the infusion tube held in the retaining groove (13) from falling off. The arc groove (22) is set at one end of the retaining ring (21). Rotating the retaining ring (21) prevents the retaining ring (21) from contacting the infusion tube. While the retaining ring (21) does not release the limit on the infusion tube, the position of the clamping alarm (1) on the infusion tube can be adjusted. A rubber pad (23) is fixed to the inner surface of the retaining ring (21) and mates with the infusion tubing to increase the friction between the retaining ring (21) and the infusion tubing, thus fixing the clamping alarm (1) to the infusion tubing and making it difficult for it to move; and, The transmission component (24) is installed on the rear shell (12), and the rear shell (12) is respectively equipped with a wearing limiter (25) and an ejector (26). The transmission component (24) cooperates with the retaining ring (21), the ejector (26) and the wearing limiter (25).

2. The infusion alarm device with the function of clamping the infusion tube as described in claim 1, characterized in that: The clamping alarm (1) includes a circuit board (14) installed on the inner wall of the front shell (11) for circuit control. A photosensitive resistor (15) for detecting whether there is liquid flow in the infusion tube is installed on the circuit board (14). A detection groove (16) is opened on the inner wall of the rear shell (12) for the photosensitive resistor (15) to pass through the light path when detecting the infusion tube. An electromagnetic device (17) and a clamping device (18) are fixed on the inner wall of the rear shell (12), and the electromagnetic device (17) cooperates with the clamping device (18). The clamping device (18) is used to close the infusion tube when there is no liquid flow.

3. The infusion alarm device with the function of clamping the infusion tube as described in claim 2, characterized in that: The front shell (11) is provided with an electric bell (19), a red light (110), a green light (111), a switch button (112) and a reset button (113), and the electric bell (19), red light (110), green light (111) and switch button (112) are distributed from top to bottom. A hanging rope (114) is installed on one side of the rear shell (12).

4. The infusion alarm device with the function of clamping the infusion tube as described in claim 3, characterized in that: The clamping member (18) includes a clamping block (181) disposed in the inner cavity of the rear shell (12) for opening and closing the infusion tube. A guide rod (182) is fixed to the inner wall of the rear shell (12). A guide block (183) is slidably sleeved on the guide rod (182) and the guide block (183) is fixed to the surface of the clamping block (181). A mounting bracket (184) is fixed to the inner wall of the rear shell (12). An iron rod (185) is slidably mounted on the mounting bracket (184) and the iron rod (185) cooperates with the electromagnet (17). A guide groove (186) is opened on the clamping block (181). A guide post (187) is fixed to one end of the iron rod (185) and the guide post (187) slides in the guide groove (186). Spring 1 (188) is sleeved on the surface of the iron rod (185), and its two ends are fixed to the surface of the iron rod (185) and the surface of the mounting bracket (184) respectively. It is used to reset the iron rod (185) after it moves and the electromagnet (17) is de-energized.

5. The infusion alarm device with the function of clamping the infusion tube as described in claim 1, characterized in that: The transmission component (24) includes a toothed groove (241) on the outer surface of the retaining ring (21), a trigger plate (242) sliding on the rear shell (12), a rotating rod (243) rotating on the inner wall of the rear shell (12), and a gear (244) fixedly sleeved in the middle section of the rotating rod (243). A tooth (245) for driving the gear (244) to rotate and mesh is fixed on one side of the trigger plate (242). A gear (246) is fixedly sleeved at both ends of the rotating rod (243). A guide rail (247) for guiding the retaining ring (21) when it rotates is fixed on the inner wall of the rear shell (12), and the retaining ring (21) is rotatably sleeved on the guide rail (247).

6. The infusion alarm device with clamping function for infusion tubing as described in claim 5, characterized in that: A vertical rod (248) is fixed to the inner wall of the rear shell (12). Gear three (249) and gear four (2410) are respectively rotated on the vertical rod (248), and gear four (2410) is fixed on gear three (249). Gear two (246) cooperates with gear four (2410). Gear three (249) meshes with tooth groove (241). A torsion spring one (2411) is sleeved on the surface of the vertical rod (248), and the two ends of the torsion spring one (2411) are respectively fixed to the inner surface of gear three (249) and the surface of the vertical rod (248). A roller (2412) rotates on one end of the trigger plate (242), and the roller (2412) cooperates with the wearing limiter (25).

7. The infusion alarm device with clamping function for infusion tubing as described in claim 6, characterized in that: A spline rod (2413) is fixed to the inner wall of the rear shell (12), and a round block (2414) is fixed to one end of the spline rod (2413). A sliding sleeve (2415) and a second spring (2416) are respectively fitted on the surface of the spline rod (2413), and the two ends of the second spring (2416) are respectively fixed to the surface of the sliding sleeve (2415) and the surface of the round block (2414). A short block (2417) is fixed to the surface of the guide rail (247), and an arc rod (2418) is fixed to the surface of the short block (2417). A connecting plate (2419) and a third spring (24110) are respectively fitted on the surface of the arc rod (2418). One end of the connecting plate (2419) is fixed to the surface of the retaining ring (21), and the two ends of the third spring (24110) are respectively fixed to the surface of the connecting plate (2419) and the surface of the short block (2417).

8. The infusion alarm device with clamping function for infusion tubing as described in claim 6, characterized in that: The wearing limiting member (25) includes a cylinder (251) disposed on one side of the rear shell (12). An unlocking plate (252) for driving the trigger plate (242) to move is fixed to the surface of the cylinder (251). A clamping plate (253) is fixed to the surface of the cylinder (251), and one end face of the clamping plate (253) abuts against the surface of the rear shell (12). A handle (254) is fixed to the surface of the cylinder (251), and a release member (242) is installed on the surface of the cylinder (251). 55), and the release part (255) cooperates with the roller (2412). The rear shell (12) is fixed with a support block (256), and the cylinder (251) is rotatably connected to the support block (256). Both ends of the cylinder (251) are fitted with torsion springs (257), and the two ends of the torsion springs (257) are fixed to the surface of the support block (256) and the surface of the cylinder (251) respectively. The support block (256) is detachably fixed with a cover plate (258).

9. The infusion alarm device with the function of clamping the infusion tube as described in claim 8, characterized in that: The release component (255) includes a square rod (2551) that slides on the cylinder (251). One end of the square rod (2551) is fixed with a pressure block (2552), and the pressure block (2552) cooperates with the roller (2412). The other end of the square rod (2551) is fixed with a pressure plate (2553). A spring four (2554) is sleeved on the surface of the square rod (2551), and the two ends of the spring four (2554) are respectively fixed to the surface of the pressure plate (2553) and the surface of the cylinder (251).

10. The infusion alarm device with clamping function for infusion tubing as described in claim 9, characterized in that: The ejector (26) includes a top plate (261) for ejecting the infusion tube from the slot (13). A push rod (262) slides on the rear shell (12), and the top plate (261) is fixed to one end of the push rod (262). A support plate (263) is fixed to the inner wall of the rear shell (12). A fixing post (264) is fixed to one end of the support plate (263). A movable plate (265) rotates on the fixing post (264). A guide hole (26) is opened at each end of the movable plate (265). 6) and guide hole 2 (267), one end of the trigger plate (242) is fixed with short post 1 (268), and short post 1 (268) slides in guide hole 1 (266), the other end of the push rod (262) is fixed with short post 2 (269), and short post 2 (269) slides in guide hole 2 (267), and torsion spring 3 (2610) is sleeved on the surface of the fixed post (264), and the two ends of torsion spring 3 (2610) are respectively fixed to the surface of the movable plate (265) and the surface of the fixed post (264).

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