Infusion treatment nursing-free device

Abstract

The invention discloses an infusion treatment nursing-free device, and relates to the technical field of medical equipment, a fixing module can be detachably mounted on an infusion tube, the fixing module is arranged close to an infusion bag, one side of the fixing module is connected with an execution module, and a detection module is mounted on the fixing module; the detection module is used for detecting whether liquid medicine exists in the position, corresponding to the fixing module, of the infusion tube or not and transmitting a signal to the control module when the liquid medicine is not detected, and the control module controls the execution module to act to be matched with the fixing module to press the infusion tube in the first direction and controls the alarm module to send out an alarm signal. After the infusion bag is replaced or infusion is stopped, the control module can control the alarm module to stop alarming, the execution module resets and extrudes the infusion tube in the second direction till the infusion tube is opened, and the first direction is perpendicular to the second direction. According to the invention, an infusion pipeline can be automatically closed, and medical staff can be automatically called.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a nursing-free device for infusion therapy. Background Art

[0002] For patients who need infusion therapy, when the infusion is completed, medical staff are usually required to promptly end the infusion or replace the drug solution. During the infusion process, when the drug delivery in the infusion bag or infusion bottle is about to end, the patient or the accompanying person usually temporarily turns off the infusion switch first; then the patient or the accompanying person calls the medical staff to end the infusion or replace the drug solution. Therefore, the entire infusion process requires someone to monitor the drug solution and call the medical staff to replace it.

[0003] At the same time, because medical staff have been busy dispensing medicines and replacing infusion vessels, they are busy with work and complicated affairs, so they can only deal with it passively and cannot take into account the infusion conditions of patients in various positions. Patients and caregivers may also have human negligence, especially when the medicine is finished. If the infusion cannot be stopped in time, it will cause harm to the patient or even life-threatening.

[0004] Traditional infusion alarms generally only provide alarm processing without controlling the infusion process, so they only serve as reminders, and the opening and closing of the infusion switch still needs to be done manually. Summary of the invention

[0005] The purpose of the present invention is to provide an infusion therapy care-free device to solve the problems existing in the above-mentioned prior art, realize automatic closing of the infusion pipeline, and can also automatically call medical staff.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] The present invention provides a nursing-free infusion therapy device, comprising a fixing module, an execution module, a detection module, a control module and an alarm module. The fixing module can be detachably installed on an infusion tube, and the fixing module is arranged close to an infusion bag. One side of the fixing module is connected to the execution module. The detection module is installed on the fixing module. The detection module is used to detect whether there is liquid medicine at a position on the infusion tube corresponding to the fixing module, and transmit a signal to the control module when no liquid medicine is detected. The control module controls the execution module to act to cooperate with the fixing module to press the infusion tube in a first direction, and controls the alarm module to send an alarm signal. After replacing the infusion bag or stopping the infusion, the control module can control the alarm module to stop the alarm, and the execution module resets and squeezes the infusion tube in a second direction until the infusion tube is open. The first direction is perpendicular to the second direction.

[0008] Preferably, the fixing module includes an upper cover, a bottom shell and an auxiliary element, the bottom shell is provided with a connecting slot, the connecting slot is used to accommodate and fix the infusion tube, the upper cover is buckled and connected to the upper end of the bottom shell, and an auxiliary cavity is formed between the upper cover and the bottom shell, the auxiliary element is movably installed in the auxiliary cavity, the auxiliary element can cooperate with the execution module to press the infusion tube, each corner of the bottom shell and each corner of the upper cover are installed with a magnet, and the magnets on the bottom shell correspond one to one with the positions of the magnets on the upper cover.

[0009] Preferably, the bottom shell includes an extrusion portion and two locking portions, the two locking portions are fixed at both ends of the extrusion portion, and the two locking portions are arranged along the length direction of the infusion tube, the upper end surfaces of the two locking portions are higher than the upper end surfaces of the extrusion portions, and the upper end surfaces of the extrusion portions are provided with slide rails, the length direction of the slide rails is perpendicular to the length direction of the infusion tube, the auxiliary element is located above the extrusion portion, and the lower end surface of the auxiliary element is slidably connected to the slide rails, the upper end surfaces of the two locking portions are each provided with one connecting slot, and the two connecting slots are arranged along the length direction of the infusion tube.

[0010] Preferably, the auxiliary element includes a moving plate, a buffer spring and a moving block, the lower end of the moving block is slidably connected to the slide rail, and the first side of the moving block is connected to one side of the moving plate through the buffer spring, and the second side of the moving block is provided with a step, and the step is used to cooperate with the execution module to squeeze the infusion tube.

[0011] Preferably, the execution module is installed in a shell, and the shell is connected to one side of the fixing module.

[0012] Preferably, the execution module includes a cam, a locking spring, a reset element and a limit element, the cam is rotatably connected to the inner end surface of the shell, and one end of the locking spring is connected to the inner side wall of the shell, and the other end of the locking spring is connected to the outer periphery of the cam, the limit element is located on one side of the cam, and the limit element is electrically connected to the control module, the control module can control the action of the limit element, and make the limit element clamp the cam and prevent the cam from rotating, or release the cam without limiting the cam rotation, the operating end of the reset element is located outside the shell, and the reset element is connected to the outer periphery of the cam. The action end of the element is connected to the cam surface; in the initial state, the locking spring is in an extended state, and the flange of the cam is located on one side of the infusion tube. When the detection module cannot detect the drug solution, the control module controls the action of the limit element and makes the limit element disengage from the cam, and the cam is driven by the locking spring to rotate to the flange of the cam to squeeze the infusion tube; after replacing the infusion bag or stopping the infusion, the reset element is operated, and the reset element can drive the cam to rotate to reset, and make one side of the cam squeeze the infusion tube in the second direction, and make the limit element clamp the cam.

[0013] Preferably, a cam state sensor is also provided in the shell, and the cam state sensor is arranged close to the flange of the cam, and the cam state sensor is electrically connected to the control module. The cam state sensor can detect the position signal of the cam when the cam rotates, and transmit the detected position signal to the control module, and the control module controls the alarm module to alarm.

[0014] Preferably, two squeezing plates are provided on the outer edge of the cam, and in the rotation direction when the cam is reset, the distance between the two squeezing plates gradually decreases, and the two squeezing plates are arranged in the second direction, and the two squeezing plates are used to squeeze the infusion tube in the second direction; the resetting element includes a handle, a resetting rod and a rotating connecting plate, the handle is located outside the shell, and the handle is fixed to one end of the resetting rod, the other end of the resetting rod is rotatably connected to one end of the rotating connecting plate, the other end of the rotating connecting plate is rotatably connected to the end face of the cam, and the installation position of the rotating connecting plate is set close to the squeezing plate.

[0015] Preferably, a plurality of ratchets are provided on the outer edge of the cam, and the tip of each ratchets is arranged toward the rotation direction of the cam when closing the infusion tube; the limiting element comprises a pawl, a memory wire, a torsion spring and a manual control part, the first end of the pawl is rotatably connected to the shell, and the first end of the pawl is connected to a connecting column through the torsion spring, the connecting column is connected to the shell, the second end of the pawl is clamped on the ratchet, the outer side of the pawl is connected to one end of the memory wire, and the other end of the memory wire is connected to the control module after bypassing a number of guide columns, the control module can control the extension and retraction of the memory wire, when the memory wire is shortened, it can drive the pawl to rotate in the direction away from the ratchet until it is disengaged from the ratchet, and the torsion spring stores energy, when the memory wire is extended, the torsion spring The pawl can be driven to reset to jam the ratchet tooth; the manual control part includes a fixing frame and a plug rod, the fixing frame is fixed in the shell and arranged near the first end of the ratchet, the first end of the ratchet is fixed with a wedge block, the fixing frame is provided with a fixing hole, the plug rod can be inserted into the fixing hole, and the lower end of the plug rod is a first inclined surface, and the side of the wedge block for matching the first inclined surface is a second inclined surface, and in the insertion direction of the plug rod, the first inclined surface and the second inclined surface gradually extend in the direction close to the fixing frame, and when the plug rod is inserted into the fixing hole and the first inclined surface contacts the second inclined surface, the plug rod can push the wedge block to drive the first end of the ratchet to move in the direction close to the cam, and make the second end of the ratchet rotate in the direction away from the cam until it disengages from the ratchet tooth.

[0016] Preferably, the detection module is a drug liquid sensor, which is installed on the fixing module and is used to contact the infusion tube, and the control module is a main control board.

[0017] Compared with the prior art, the present invention has achieved the following technical effects:

[0018] The infusion therapy care-free device provided by the present invention has a fixed module that can be detachably installed on the infusion tube, which is convenient for installation and disassembly of the infusion therapy care-free device, and then the infusion therapy care-free device can be removed after the infusion is completed to facilitate the next patient's infusion. The fixed module is arranged close to the infusion bag, one side of the fixed module is connected to the execution module, the detection module is installed on the fixed module, and then in conjunction with the position design of the fixed module, information feedback is immediately performed after the medicine in the infusion bag is infused to avoid damage to the patient. The detection module is used to detect whether there is medicine at the position corresponding to the fixed module on the infusion tube, and transmits a signal to the control module when no medicine is detected (that is, when the liquid needs to be replaced), and the control module controls the execution module The block acts to cooperate with the fixing module to press the infusion tube in the first direction to temporarily close the infusion tube, thereby realizing the function of automatically closing the infusion line. At the same time, the control module also controls the alarm module to send an alarm signal to remind medical staff and patients that they need to change the fluid or stop the infusion, thereby realizing the automatic alarm function. After replacing the infusion bag or stopping the infusion, the control module can control the alarm module to stop the alarm, and the execution module is reset and squeezes the infusion tube in the second direction until the infusion tube opens. The first direction is perpendicular to the second direction, and the squeezed infusion tube is then straightened in the second direction to ensure that the infusion tube can be restored to a state where the drug solution can flow smoothly, thereby avoiding deformation of the infusion tube due to long-term clamping of the infusion tube, thereby affecting the flow of the drug solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 Schematic diagram of the internal structure of the infusion therapy care-free device of the present invention (initial state);

[0021] Figure 2 Schematic diagram of the internal structure of the infusion therapy care-free device of the present invention (infusion tube closed state);

[0022] Figure 3 It is a structural exploded view of the fixed module in the present invention;

[0023] Figure 4 It is a structural schematic diagram of the execution mechanism in the present invention;

[0024] Figure 5 It is a schematic diagram of the cam in the present invention when it is at one angle;

[0025] Figure 6 It is a schematic diagram of the cam in the present invention when it is at another angle;

[0026] Figure 7 is a schematic diagram of the cam in the present invention when it is at another angle;

[0027] Figure 8 It is a schematic diagram of the structure of the limiting element and the manual control part in the present invention;

[0028] Fig. 9 This is a schematic diagram of the installation position of the infusion therapy care-free device on the infusion tube in the present invention;

[0029] Fig.10 It is the circuit control principle diagram of the present invention;

[0030] Fig.11 It is a circuit control principle diagram of the infusion therapy free-care device and the receiving control end of the nurse workstation in the present invention;

[0031] In the figure: 100-infusion therapy care-free device, 1-upper cover, 2-bottom shell, 3-control module, 4-detection module, 5-cam state sensor, 6-infusion tube, 7-magnet, 8-cam, 9-reset element, 10-locking spring, 11-limiting element, 12-moving plate, 13-buffer spring, 14-moving block, 15-engaging plane, 16-locking part, 17-extrusion part, 18-slide rail, 19-connecting slot, 20-flange, 21-extrusion plate, 22-shell, 23-handle, 24-reset rod, 25-rotating connecting plate, 26-ratchet, 27-engaging bottom surface, 28-stress spring, 29-guide column, 30-connecting column, 31-torsion spring, 32-memory metal wire, 33-fixed frame, 34-insertion rod, 35-wedge block, 36-fixing hole, 37-ratchet. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] The purpose of the present invention is to provide an infusion therapy care-free device to solve the problems existing in the prior art, realize automatic closing of the infusion pipeline, and automatically call medical staff.

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] like Figure 1-Figure 11As shown, the present embodiment provides an infusion therapy care-free device 100, comprising a fixing module, an execution module, a detection module 4, a control module 3 and an alarm module. The fixing module can be detachably mounted on the infusion tube 6, so as to facilitate the installation and disassembly of the infusion therapy care-free device 100, and then the infusion therapy care-free device 100 can be removed after the infusion is completed, so as to facilitate the infusion of the next patient. The fixing module is arranged close to the infusion bag, and one side of the fixing module is connected to the execution module. The detection module 4 is mounted on the fixing module, and then in conjunction with the position design of the fixing module, information feedback is immediately performed after the drug solution in the infusion bag is infused, so as to avoid causing harm to the patient. The detection module 4 is used to detect whether there is drug solution at the position corresponding to the fixing module on the infusion tube 6, and send a signal when no drug solution is detected (that is, when the solution needs to be replaced). The control module 3 controls the execution module to cooperate with the fixing module to press the infusion tube 6 in the first direction to temporarily close the infusion tube 6, thereby realizing the function of automatically closing the infusion tube 6. At the same time, the control module 3 also controls the alarm module to send an alarm signal to remind medical staff and patients that they need to change the fluid or stop the infusion, thereby realizing the automatic alarm function. After replacing the infusion bag or stopping the infusion, the control module 3 can control the alarm module to stop the alarm, and the execution module resets and squeezes the infusion tube 6 in the second direction until the infusion tube 6 opens. The first direction is perpendicular to the second direction, thereby straightening the squeezed infusion tube 6 in the second direction to ensure that the infusion tube 6 can be restored to a state where the medicine can flow smoothly, thereby avoiding deformation of the infusion tube 6 due to long-term clamping of the infusion tube 6, thereby affecting the circulation of the medicine.

[0036] Specifically, the fixing module includes an upper cover 1, a bottom shell 2 and an auxiliary element. A connecting slot 19 is provided on the bottom shell 2. The connecting slot 19 is used to accommodate and fix the infusion tube 6. The material of the bottom shell 2 can be made of a material with greater friction, and then the fixing module is stably fixed on the infusion tube 6 through the friction between the inner wall of the slot and the outer wall of the infusion tube 6. The connecting slot 19 is preferably arc-shaped, and an arc-shaped groove is also provided at the position corresponding to the connecting slot 19 on the upper cover 1, so that it can adapt to the shape of the infusion tube 6, achieve a good fit and stable connection with the infusion tube 6, and to a certain extent avoid damage to the infusion tube 6. The upper cover 1 is buckled and It is connected to the upper end of the bottom shell 2 to fix the fixing module on the infusion tube 6. An auxiliary cavity is formed between the upper cover 1 and the bottom shell 2. The auxiliary element is movably installed in the auxiliary cavity. The auxiliary element can cooperate with the execution module to press the infusion tube 6 to achieve the closure of the infusion tube 6. A magnet 7 is installed at each corner of the bottom shell 2 and each corner of the upper cover 1, and the position of the magnet 7 on the bottom shell 2 corresponds to the position of the magnet 7 on the upper cover 1. Through the magnetic attraction between the corresponding magnets 7, the stable connection and alignment between the upper cover 1 and the bottom shell 2 are achieved. At the same time, the quick connection and disassembly between the upper cover 1 and the bottom shell 2 are guaranteed, which reduces the difficulty of operation and saves operation time.

[0037] The bottom shell 2 includes an extrusion portion 17 and two locking portions 16. The two locking portions 16 are fixed at both ends of the extrusion portion 17, and the two locking portions 16 are arranged along the length direction of the infusion tube 6. The upper end surfaces of the two locking portions 16 are higher than the upper end surface of the extrusion portion 17, and the two locking portions 16 protrude from the extrusion portion 17 on the side close to the action element, so as to facilitate the connection between the locking portion 16 and the infusion tube 6 and avoid the existence of the locking portion 16 affecting the passage of the auxiliary element. A slide rail 18 is provided on the upper end surface of the extrusion portion 17, and the length direction of the slide rail 18 is perpendicular to the length direction of the infusion tube 6. The auxiliary element is located above the extrusion portion 17, and the lower end surface of the auxiliary element is slidably connected to the slide rail 18, and then the movement of the auxiliary element is limited by the slide rail 18. A connecting slot 19 is respectively provided on the upper end surfaces of the two locking portions 16, and the two connecting slots 19 are arranged along the length direction of the infusion tube 6, so as to improve the connection stability between the locking portion 16 and the infusion tube 6.

[0038] The auxiliary elements include a moving plate 12, a buffer spring 13 and a moving block 14. The lower end of the moving block 14 is slidably connected to the slide rail 18, and the first side of the moving block 14 is connected to one side of the moving plate 12 through the buffer spring 13. The second side of the moving block 14 is provided with a step, and the step is used to cooperate with the execution module to squeeze the infusion tube 6. When the execution module moves to squeeze the infusion tube 6, the execution module can squeeze the infusion tube 6 together with the side of the step. At the same time, due to the presence of the buffer spring 13, when the squeezing force of the execution module is too large, a certain displacement can be provided for the moving block 14 to avoid damage to the infusion tube 6 due to excessive squeezing.

[0039] The execution module is installed in a housing 22, and the housing 22 is connected to one side of the fixed module. The housing 22 plays a role of packaging and protection.

[0040] The execution module includes a cam 8, a locking spring 10, a reset element 9 and a limit element 11. The cam 8 is rotatably connected to the inner end surface of the shell 22, and one end of the locking spring 10 is connected to the inner side wall of the shell 22, and the other end of the locking spring 10 is connected to the outer periphery of the cam 8. The limit element 11 is located on one side of the cam 8, and the limit element 11 is electrically connected to the control module 3. The control module 3 can control the action of the limit element 11, and make the limit element 11 clamp the cam 8 and prevent the cam 8 from rotating, or release the cam 8 without limiting the rotation of the cam 8. The operating end of the reset element 9 is located outside the shell 22, and the action end of the reset element 9 is connected to the surface of the cam 8; in the initial state, the locking spring 10 is in an extended state, and the flange 20 of the cam 8 is located on one side of the infusion tube 6. When the detection module 4 cannot detect the liquid medicine, the proof It is clear that there is no medicine liquid in the infusion bag at this time, and the detection module 4 transmits the signal to the control module 3. The control module 3 controls the action of the limit element 11 and makes the limit element 11 disengage from the cam 8, so that the limit element 11 no longer restricts the rotation of the cam 8. At this time, the cam 8 rotates under the action of the elastic restoring force of the locking spring 10 until the flange 20 of the cam 8 contacts and squeezes the infusion tube 6, so as to achieve the temporary closure of the infusion tube 6; after replacing the infusion bag or stopping the infusion, the reset element 9 is manually operated, and the reset element 9 can drive the cam 8 to rotate to reset. At this time, the flange 20 of the cam 8 no longer squeezes the infusion tube 6, and one side of the cam 8 squeezes the infusion tube 6 in the second direction, so as to achieve the straightening of the infusion tube 6 and make the limit element 11 clamp the cam 8, so as to facilitate the automatic closure of the infusion tube 6 next time. The locking spring 10 is located between the reset element 9 and the limit element 11, and when the cam 8 rotates to squeeze the infusion tube 6, the cam 8 rotates counterclockwise, and when the reset element 9 drives the cam 8 to reset to open the infusion tube 6, the cam 8 rotates clockwise.

[0041] A cam state sensor 5 is also provided in the housing 22. The cam state sensor 5 is provided near the flange 20 of the cam 8 and is electrically connected to the control module 3. The cam state sensor 5 can detect the position signal of the cam 8 when the cam 8 rotates, and transmit the detected position signal to the control module 3. The control module 3 controls the alarm module to alarm. The alarm signal may include calling the nurse station, the sounding of the local buzzer, and the flashing of the panel indicator light. After the nurse station receives the alarm signal and processes it, the alarm module can be manually turned off.

[0042] Two squeezing plates 21 are provided on the outer edge of the cam 8. In the rotation direction when the cam 8 is reset, the distance between the two squeezing plates 21 gradually decreases, and the two squeezing plates 21 are arranged in the second direction. Then, as the cam 8 is reset and rotated, the infusion tube 6 gradually passes between the two squeezing plates 21. Due to the change in the distance between the two squeezing plates 21, the two squeezing plates 21 gradually squeeze the infusion tube 6 in the second direction until the infusion tube 6 is spread apart, thereby ensuring the normal circulation of the liquid medicine in the infusion tube 6. The reset element 9 includes a handle 23, a reset rod 24 and a rotating connecting plate 25. The handle 23 is located outside the housing 22. To facilitate manual operation by medical staff or patients, the handle 23 is fixed to one end of the reset rod 24, so that the handle 23 can drive the reset rod 24 to move, and the other end of the reset rod 24 is rotatably connected to one end of the rotating connecting plate 25, and the other end of the rotating connecting plate 25 is rotatably connected to the end surface of the cam 8. The installation position of the rotating connecting plate 25 is set close to the extrusion plate 21. When the infusion bag is replaced or the infusion is completed, the handle 23 is pushed to drive the reset rod 24 to move toward the direction close to the inside of the shell 22. At the same time, the reset rod 24 drives the cam 8 to rotate clockwise under the action of the rotating connecting plate 25 to achieve the resetting of the cam 8.

[0043] As a preferred solution, in order to ensure that the flange 20 of the cam 8 and the moving block 14 can be tightly engaged, the moving block 14 is provided with an engaging plane 15 on the side close to the cam 8, and the cam 8 is grooved on the end face for cooperating with the engaging plane 15 to form an engaging bottom surface 27, and the engaging plane 15 can engage with the engaging bottom surface 27.

[0044] The outer edge of the cam 8 is provided with a plurality of ratchet teeth 26, and the tip of each ratchet tooth 26 is arranged toward the rotation direction when the cam 8 closes the infusion tube 6; the limiting element 11 includes a ratchet 37, a memory wire 32, a torsion spring 31 and a manual control part, the first end of the ratchet 37 is rotatably connected to the housing 22, and the first end of the ratchet 37 is connected to a connecting column 30 through the torsion spring 31, and the connecting column 30 is connected to the housing 22, and the second end of the ratchet 37 is clamped on the ratchet 26, and due to the direction of the ratchet 26, the ratchet 37 will not limit the cam 8 in resetting. The cam 8 is limited to rotate when the infusion tube 6 is squeezed (i.e., in the clockwise direction), and only limits the rotation of the cam 8 when the infusion tube 6 is squeezed (i.e., in the counterclockwise direction). The outer side of the ratchet 37 is connected to one end of the memory wire 32. The other end of the memory wire 32 is connected to the control module 3 after passing through a plurality of guide columns 29. The control module 3 can control the expansion and contraction of the memory wire 32. When the memory wire 32 is shortened, the ratchet 37 can be driven to rotate away from the ratchet 26 until it is disengaged from the ratchet 26. At this time, the torsion spring 31 stores energy. When the memory wire 32 is extended, the torsion spring 31 is resilient. Under the action of the restoring force, the pawl 37 can be driven to reset to the ratchet 26; a stress spring 28 is also connected to the memory wire 32 to prevent the memory wire 32 from being damaged by excessive contraction; the opening and closing of the pawl 37 can also be manually controlled by a manual control unit, and the manual control unit includes a fixing frame 33 and a plug rod 34, the fixing frame 33 is fixed in the housing 22 and is arranged near the first end of the pawl 37, the first end of the pawl 37 is fixed with a wedge block 35, and the fixing frame 33 is provided with a fixing hole 36, and the plug rod 34 can be inserted into the fixing hole 3 6, and the lower end of the insertion rod 34 is a first inclined surface, and the side of the wedge block 35 for matching the first inclined surface is a second inclined surface. In the insertion direction of the insertion rod 34, the first inclined surface and the second inclined surface gradually extend toward the direction close to the fixing frame 33. When the insertion rod 34 is inserted into the fixing hole 36 and the first inclined surface contacts the second inclined surface, the insertion rod 34 can push the wedge block 35 to drive the first end of the pawl 37 to move toward the direction close to the cam 8, and make the second end of the pawl 37 rotate in the direction away from the cam 8 until it disengages from the ratchet tooth 26, thereby realizing manual opening of the pawl 37.

[0045] The detection module 4 is a drug liquid sensor, which is installed on the fixed module and is used to contact the infusion tube 6. The control module 3 is a main control board, which is also electrically connected to a power module, which is used to provide power to various electrical devices.

[0046] The circuit principle of the infusion therapy free-care device 100 provided in this embodiment is as follows: Fig.10 As shown, the power module provides power to the detection module 4, the cam state sensor 5, the communication module, the control module 3, the execution module and the indicator light. The control module 3 controls the communication module, the detection module 4, the alarm module and the execution module to work. The alarm module is also electrically connected to the indicator light. Fig.11As shown, for the receiving control end of the nurse workstation, it is provided with an in-station power supply, a control panel, a signal receiving module, a microcontroller unit, an in-station alarm mechanism and an in-station indicator light, wherein the signal receiving module promptly feeds back to the nurse workstation, and at the same time, the receiving control end of the nurse workstation is electrically connected to multiple infusion therapy care-free devices 100 at the same time, and each infusion therapy care-free device 100 corresponds to a different bed number, so as to realize real-time monitoring of the infusion status of patients at each bed.

[0047] The infusion therapy care-free device 100 provided in this embodiment adopts an overall mechanical architecture design with a simple structure and strong reliability. Moreover, through the above design, it can effectively solve the medical infusion management work, replace the patient or caregiver to turn off the infusion switch in time, and automatically call the medical staff for processing, thereby improving the efficiency of the medical staff's infusion management work and reducing the risk of patients during infusion therapy.

[0048] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A nursing-free infusion therapy device, characterized in that: It includes a fixing module, an execution module, a detection module, a control module and an alarm module. The fixing module can be detachably installed on the infusion tube, and the fixing module is arranged close to the infusion bag. One side of the fixing module is connected to the execution module. The detection module is installed on the fixing module. The detection module is used to detect whether there is liquid medicine at the position on the infusion tube corresponding to the fixing module, and transmits a signal to the control module when no liquid medicine is detected. The control module controls the execution module to cooperate with the fixing module to press the infusion tube in the first direction, and controls the alarm module to send an alarm signal. After replacing the infusion bag or stopping the infusion, the control module can control the alarm module to stop the alarm, and the execution module resets and squeezes the infusion tube in the second direction until the infusion tube is opened. The first direction is perpendicular to the second direction.

2. The infusion therapy care-free device according to claim 1, characterized in that: The fixing module includes an upper cover, a bottom shell and an auxiliary element. The bottom shell is provided with a connecting slot, and the connecting slot is used to accommodate and fix the infusion tube. The upper cover is buckled and connected to the upper end of the bottom shell, and an auxiliary cavity is formed between the upper cover and the bottom shell. The auxiliary element is movably installed in the auxiliary cavity. The auxiliary element can cooperate with the execution module to press the infusion tube. A magnet is installed at each corner of the bottom shell and each corner of the upper cover, and the magnets on the bottom shell correspond to the magnets on the upper cover in one-to-one position.

3. The infusion therapy care-free device according to claim 2, characterized in that: The bottom shell includes an extrusion portion and two locking portions, the two locking portions are fixed at both ends of the extrusion portion, and the two locking portions are arranged along the length direction of the infusion tube, the upper end surfaces of the two locking portions are higher than the upper end surfaces of the extrusion portions, and the upper end surfaces of the extrusion portions are provided with slide rails, the length direction of the slide rails is perpendicular to the length direction of the infusion tube, the auxiliary element is located above the extrusion portion, and the lower end surface of the auxiliary element is slidably connected to the slide rails, the upper end surfaces of the two locking portions are each provided with a connecting slot, and the two connecting slots are arranged along the length direction of the infusion tube.

4. The infusion therapy care-free device according to claim 3, characterized in that: The auxiliary element includes a moving plate, a buffer spring and a moving block. The lower end of the moving block is slidably connected to the slide rail, and the first side of the moving block is connected to one side of the moving plate through the buffer spring. The second side of the moving block is provided with a step, and the step is used to cooperate with the execution module to squeeze the infusion tube.

5. The infusion therapy care-free device according to claim 1, characterized in that: The execution module is installed in a shell, and the shell is connected to one side of the fixing module.

6. The infusion therapy care-free device according to claim 5, characterized in that: The execution module includes a cam, a locking spring, a reset element and a limit element. The cam is rotatably connected to the inner end surface of the shell, and one end of the locking spring is connected to the inner side wall of the shell, and the other end of the locking spring is connected to the outer periphery of the cam. The limit element is located on one side of the cam, and the limit element is electrically connected to the control module. The control module can control the action of the limit element and make the limit element clamp the cam and prevent the cam from rotating, or release the cam without limiting the cam's rotation. The operating end of the reset element is located outside the shell. the action end is connected to the cam surface; in the initial state, the locking spring is in an extended state, and the flange of the cam is located on one side of the infusion tube. When the detection module cannot detect the medicine, the control module controls the limit element to act and causes the limit element to disengage from the cam, and the cam is driven by the locking spring to rotate to the flange of the cam to squeeze the infusion tube; after replacing the infusion bag or stopping the infusion, the reset element is operated, and the reset element can drive the cam to rotate to reset, and cause one side of the cam to squeeze the infusion tube in the second direction, and cause the limit element to clamp the cam.

7. The infusion therapy care-free device according to claim 6, characterized in that: A cam state sensor is also provided in the shell, and the cam state sensor is arranged close to the flange of the cam. The cam state sensor is electrically connected to the control module. The cam state sensor can detect the position signal of the cam when the cam rotates, and transmit the detected position signal to the control module. The control module controls the alarm module to alarm.

8. The infusion therapy care-free device according to claim 6, characterized in that: Two squeezing plates are provided on the outer edge of the cam. In the rotation direction when the cam is reset, the distance between the two squeezing plates gradually decreases, and the two squeezing plates are arranged in the second direction, and the two squeezing plates are used to squeeze the infusion tube in the second direction; the resetting element includes a handle, a resetting rod and a rotating connecting plate, the handle is located outside the shell, and the handle is fixed to one end of the resetting rod, the other end of the resetting rod is rotatably connected to one end of the rotating connecting plate, and the other end of the rotating connecting plate is rotatably connected to the end face of the cam, and the installation position of the rotating connecting plate is set close to the squeezing plate.

9. The infusion therapy care-free device according to claim 6, characterized in that: The outer edge of the cam is provided with a plurality of ratchets, and the tip of each ratchets is arranged toward the rotation direction of the cam when closing the infusion tube; the limiting element comprises a ratchet, a memory wire, a torsion spring and a manual control part, the first end of the ratchet is rotatably connected to the shell, and the first end of the ratchet is connected to a connecting column through the torsion spring, the connecting column is connected to the shell, the second end of the ratchet is clamped on the ratchet, the outer side of the ratchet is connected to one end of the memory wire, and the other end of the memory wire is connected to the control module after bypassing a number of guide columns, the control module can control the extension and retraction of the memory wire, when the memory wire is shortened, it can drive the ratchet to rotate in the direction away from the ratchet until it is disengaged from the ratchet, and the torsion spring stores energy, when the memory wire is extended, the torsion spring can The pawl is driven to reset to jam the ratchet tooth; the manual control part includes a fixing frame and a plug rod, the fixing frame is fixed in the shell and arranged near the first end of the ratchet, the first end of the ratchet is fixed with a wedge block, the fixing frame is provided with a fixing hole, the plug rod can be inserted into the fixing hole, and the lower end of the plug rod is a first inclined surface, and the side of the wedge block for matching the first inclined surface is a second inclined surface, and in the insertion direction of the plug rod, the first inclined surface and the second inclined surface gradually extend in the direction close to the fixing frame, and the plug rod is inserted into the fixing hole and makes the first inclined surface contact the second inclined surface. The plug rod can push the wedge block to drive the first end of the ratchet to move in the direction close to the cam, and make the second end of the ratchet rotate in the direction away from the cam until it disengages from the ratchet tooth.

10. The infusion therapy free-care device according to claim 1, characterized in that: The detection module is a drug liquid sensor, which is installed on the fixing module and is used to contact the infusion tube, and the control module is a main control board.

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