Stem cell transplantation bone marrow infusion pump

By assembling the adapter assembly and the stress detection tube clamp assembly, the problems of unstable fixation and poor compatibility of the injection cylinder are solved, and efficient, safe and stable infusion of the infusion pump is achieved, improving clinical operation efficiency and safety.

CN120501980AActive Publication Date: 2025-08-19THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL
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Patent Information

Application Number
CN202510701357.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-28
Publication Date
2025-08-19
Estimated Expiration
2045-05-28

AI Technical Summary

Technical Problem

The existing stem cell infusion pump injection barrel is unstable and is susceptible to collision or mistouching, and the clamping mechanism is poor compatibility and difficult to adapt to different specifications of injection barrels. The replacement process of key components of the infusion pump failure is cumbersome, which affects clinical efficiency.

Method used

A stem cell transplant bone marrow infusion pump is designed, using assembled adapter components to realize linear pull-out disassembly and assembly of the faulty module. The force-detection tube clamp assembly is set to clamp the hose and detect lateral tension. The adjustable clamp assembly is used to adapt to injection barrels of different thicknesses, and the compatibility and stability are improved through a modular design.

Benefits of technology

It improves the clinical efficiency of the infusion pump, reduces leakage risk, enhances the adaptability and safety of the equipment, reduces replacement time and cost, and ensures the accuracy and stability of the infusion process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a bone marrow infusion pump for stem cell transplantation, and belongs to the technical field of stem cell infusion pumps. Comprising a machine body, a control panel is installed at the top of the machine body, a movable clamping frame is slidably connected into the machine body, a handle is installed on one side of the machine body, a base is installed at the bottom of the machine body, a piston push rod is installed at one end of the movable clamping frame, and a syringe is slidably connected to one end of the piston push rod; a connector is mounted at one end of the syringe, and a hose is mounted at one end of the connector. According to the infusion pump, by arranging the stress detection pipe clamp assembly and the adjustable clamping assembly, drawing type disassembly and assembly of a fault module of the infusion pump are achieved, the capacity of coping with emergencies is improved, it is guaranteed that stem cells in an injection cylinder are not affected by external force, the phenomenon of overflowing is avoided, a physical isolation barrier is formed, and the service life of the injection cylinder is prolonged. The leakage risk caused by collision or mistaken touch is effectively reduced, rapid clamping adaptation of the syringe can be achieved, and compatibility is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of stem cell infusion pumps, and in particular to a stem cell transplant bone marrow infusion pump. Background Art

[0002] Bone marrow transplantation, also known as hematopoietic stem cell transplantation, is a treatment method that uses intravenous infusion of hematopoietic stem cells to rebuild the patient's normal hematopoietic and immune systems, thereby treating a series of diseases.

[0003] An infusion pump is an intelligent infusion device that uses mechanical driving force to accurately control the number of infusion drops or the infusion flow rate to ensure that the dose enters the patient's body accurately and safely. The clinical application of infusion pumps has greatly improved the accuracy, safety and quality of care of infusions.

[0004] Before stem cell infusion, the syringe of the existing stem cell infusion pump is difficult to keep stable and is easily affected by collisions from the external environment or accidental touch by medical staff, causing the stem cells inside the syringe to leak or overflow from the syringe. At the same time, when dealing with syringes with different injection volumes, the infusion pump cannot stably clamp them and is difficult to adapt to syringes of different specifications, resulting in poor compatibility. In addition, when the clamping and delivery part of the infusion pump fails, it is difficult to replace it quickly, and the replacement process is cumbersome, which significantly affects clinical operation efficiency. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a stem cell transplant bone marrow infusion pump to solve the problems that the existing syringe barrel is unstable and easily collided or accidentally touched, resulting in stem cell leakage. At the same time, the clamping mechanism has poor compatibility and is difficult to adapt to syringe barrels of different specifications. In addition, when the key components of the infusion pump fail, the replacement process is cumbersome, affecting clinical efficiency.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A stem cell transplant bone marrow infusion pump includes a body, a control panel is installed on the top of the body, a movable clamping frame is slidably connected to the inside of the body, a handle is installed on one side of the body, a base is installed on the bottom of the body, a piston push rod is installed at one end of the movable clamping frame, one end of the piston push rod is slidably connected to the syringe, one end of the syringe is installed with a connecting head, and one end of the connecting head is installed with a hose; an assembly adapter component is installed at the front end of the body, and the assembly adapter component is used to complete installation and disassembly with different models of bodies; a force detection tube clamp component is installed inside the assembly adapter component, and the force detection tube clamp component is used to clamp the hose and detect the lateral tension applied to the hose; an adjustable clamping component is installed inside the body, and the adjustable clamping component is used to clamp syringes of different thicknesses; the assembly adapter component is installed at one end of the force detection tube clamp component, and the force detection tube clamp component is installed at one end of the adjustable clamping component.

[0008] Optionally, the assembly adapter component includes a rotating shaft, which is rotatably connected to one end of the body, a first wrench is installed at one end of the rotating shaft, a stop block is installed at the bottom of the first wrench, one end of the stop block is installed on the surface of the body, and a rail bracket is provided inside the body, and the rail bracket is provided with multiple rails.

[0009] Optionally, the rail bracket is internally slidably connected with a convex strip, a long strip block is installed at one end of the long strip block, a fixing frame is installed at one end of the long strip block, the fixing frame is an arc-shaped bracket, and is composed of a convex arc surface section, a concave section, and a clamping section, and a handle is installed at one end of the convex arc surface section of the fixing frame.

[0010] Optionally, the force detection pipe clamp assembly includes an auxiliary frame, which is installed on the surface of the protruding arc section of the fixed frame. The auxiliary frame has a U-shaped structure, and the opening is facing away from the surface of the fixed frame. The upper and lower inner walls of the auxiliary frame are rollingly connected with power wheels, and the surface coating of the power wheels is made of rubber material. Elastic paddles are rotatably installed at the upper and lower ends of the opening of the auxiliary frame.

[0011] Optionally, a slider is slidably connected to the interior of the fixing frame, a guide rail groove is installed on one side of the slider, a shift block is slidably connected to the interior of the guide rail groove, and two shift blocks are installed.

[0012] Optionally, a rubber splint is installed at one end of the two shift blocks, the two rubber splints 77 are elastically connected, multiple groups of holes are opened inside the two rubber splints, detection wheels are provided inside the two rubber splints, force detectors are installed on the top of the two rubber splints, and signal lines are installed at one end of the two rubber splints.

[0013] Optionally, the adjustable clamping assembly includes a hollow block, which is installed on the inner surface of the groove section of the fixed frame. A hollow pipe rack is sleeved inside the hollow block, one end of the hollow pipe rack is inserted into the interior of the concave section of the fixed frame, and a first spring is installed on the inner wall of the hollow pipe rack.

[0014] Optionally, a disc push rod is slidably connected to the inside of the hollow pipe rack, one end of the disc push rod is connected to the first spring, one end of the disc push rod is installed with a rubber block, telescopic rods are installed on the upper and lower sides of the hollow block, and arc-shaped clamps are installed on the ends of the telescopic rods.

[0015] Optionally, a sliding groove is provided inside the arc-shaped clamping jaw, and the interior of the sliding groove is slidably connected to a roller wheel, one end of the roller wheel is installed with a second spring, one end of the second spring is installed on the inner wall of the arc-shaped clamping jaw sliding groove, one end of the roller wheel extends out of the arc-shaped clamping jaw and is installed with a V-shaped bracket, the end of the V-shaped bracket is installed with a connecting seat, the ends of the two groups of the V-shaped brackets are respectively installed on the upper and lower ends of the connecting seat, and the interior of the connecting seat is fixedly sleeved on the surface of the disc push rod.

[0016] Optionally, an arc-shaped stop block is installed on the surface of the arc-shaped clamping jaw, one end of the bottom arc-shaped clamping jaw is rotatably connected to a second wrench, one end of the second wrench is installed with a threaded lock, and a blocking plate is installed at the bottom of the second wrench.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] In the above solution, by setting up an assembly adapter component, the linear pull-out disassembly and assembly of the faulty module is achieved through the slide guide design, and the baffle is locked by the first wrench to ensure that the new module is accurately positioned and fixed, eliminating the traditional screw fixing steps, improving clinical efficiency, shortening the replacement operation time, eliminating tool design, supporting one-handed operation, and not affecting the aseptic operation process. System reliability, the enhanced modular interface adopts a fool-proof design, increases adaptability, improves fault tolerance, avoids time that may be delayed due to incorrect installation, ensures zero displacement risk during the infusion process, optimizes maintenance costs, and uses standardized equipment interfaces, which reduces the difficulty of parts inventory management, improves the machine's mobility in responding to emergencies, and ensures the normal operation of the infusion pump.

[0019] By providing a force-detecting clamp assembly, the front end of the syringe hose is clamped and fixed before stem cell infusion, ensuring that the stem cells inside the syringe are not subject to external forces and overflowing. This creates a physical isolation barrier, effectively reducing the risk of leakage caused by collision or accidental touch. Simultaneously, the power wheel automatically straightens the hose, eliminating local pressure accumulation caused by hose twisting and reducing accidental overflow caused by pipeline deformation. The detection device monitors the hose's stress state in real time. Upon detecting abnormal displacement of the hose due to pulling, the power wheel immediately pauses, ensuring accurate stem cell delivery. The straightened hose avoids local pressure, improves the machine's feedback signal, and prevents uncontrolled loss of stem cells. The clamp assembly forms a linked protection mechanism with the infusion pump, improving safety compared to traditional open hose arrangements. The automatic straightening function eliminates operational differences associated with manual hose arrangement, ensuring the hose is in optimal working condition for each infusion. The modular design is compatible with hoses of different specifications, addressing the poor adaptability of traditional fixing methods.

[0020] By setting up an adjustable clamping assembly, rapid adaptation of the syringe barrel is achieved, compatibility is improved, and commonly used clinical specifications are covered. The elastic clamping claw design can automatically adapt to syringe barrels of different diameters, avoiding the limitations of traditional fixed card slots. The tool adjustment design reduces the specification switching time and significantly improves clinical work efficiency. The tactile feedback device ensures that the clamping force is precisely controllable to prevent deformation of the syringe barrel due to overtightening. The three-point contact structure ensures the axial stability of the syringe barrel and reduces the risk of displacement during the infusion process. At the same time, the threaded lock improves the stability of the device when infusing stem cells, improves the delivery accuracy, and improves the compatibility of the clamping parts, reducing the cost of purchasing special consumables. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and to enable one skilled in the art to make and use the invention.

[0022] Figure 1 This is a schematic diagram of the main three-dimensional structure of the stem cell transplant bone marrow infusion pump of the present invention;

[0023] Figure 2 This is a schematic diagram of the front plan structure of the stem cell transplant bone marrow infusion pump of the present invention;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the stem cell transplant bone marrow infusion pump of the present invention from another perspective;

[0025] Figure 4 This is a three-dimensional structural diagram of the positional relationship between the body and the assembly adapter components of the present invention;

[0026] Figure 5 For the present invention Figure 4 A magnified view of middle A;

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the positional relationship between the piston push rod and the movable clamping frame of the present invention;

[0028] Figure 7 This is a schematic diagram of the three-dimensional structure of the positional relationship between the rubber splint and the hose of the present invention;

[0029] Figure 8 For the present invention Figure 7 Enlarged view of middle B;

[0030] Figure 9 This is a schematic diagram of the three-dimensional structure of the force detection pipe clamp assembly of the present invention;

[0031] Figure 10 This is a schematic diagram of the three-dimensional structure of the positional relationship between the fixing frame and the arc-shaped clamping claws of the present invention;

[0032] Figure 11 It is a schematic diagram of the three-dimensional structure of the adjustable clamping assembly of the present invention.

[0033] Reference numerals:

[0034] 1. Machine body; 2. Control panel; 3. Mobile clamping frame; 4. Handle; 5. Base;

[0035] 6. Assemble the adapter assembly; 61. Rotating shaft; 62. First wrench; 63. Stopper; 64. Rail bracket; 65. Long strip; 66. Raised strip; 67. Fixing bracket; 68. Handle;

[0036] 7. Force detection pipe clamp assembly; 71. Auxiliary frame; 72. Elastic plate; 73. Power wheel; 74. Slider; 75. Guide rail groove; 76. Shift block; 77. Rubber splint; 78. Detection wheel; 79. Signal line; 710. Force detector;

[0037] 8. Adjustable clamping assembly; 81. Hollow pipe rack; 82. First spring; 83. Disc push rod; 84. Rubber stop block; 85. Hollow block; 86. Telescopic rod; 87. Arc-shaped clamping jaw; 88. Roller; 89. Second spring; 810. V-shaped bracket; 811. Connecting seat; 812. Arc-shaped stop block; 813. Blocking plate; 814. Second wrench; 815. Thread lock;

[0038] 9. Syringe; 10. Piston push rod; 11. Connector; 12. Hose.

[0039] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0040] The following describes in detail a stem cell transplant bone marrow infusion pump provided by the present invention, with reference to the accompanying drawings and specific embodiments. It is also noted that, for the sake of completeness, the following embodiments are best and preferred embodiments, and those skilled in the art may employ alternative implementations for known techniques. Furthermore, the accompanying drawings are intended only to provide a more detailed description of the embodiments and are not intended to limit the present invention.

[0041] like Figures 1 to 11 As shown, an embodiment of the present invention provides a stem cell transplant bone marrow infusion pump, comprising a body 1, a control panel 2 is mounted on the top of the body 1, a movable clamping frame 3 is slidably connected to the interior of the body 1, a handle 4 is mounted on one side of the body 1, a base 5 is mounted on the bottom of the body 1, a piston push rod 10 is mounted on one end of the movable clamping frame 3, a syringe 9 is slidably connected to one end of the piston push rod 10, a connector 11 is mounted on one end of the syringe 9, and a hose 12 is mounted on one end of the connector 11; an assembly adapter is mounted on the front end of the body 1 Component 6, the assembly adapter component 6 is used to complete installation and disassembly with different models of body 1; the assembly adapter component 6 is internally installed with a force detection tube clamp component 7, the force detection tube clamp component 7 is used to clamp the hose 12 and detect the lateral tension exerted on the hose 12; the body 1 is internally installed with an adjustable clamping component 8, the adjustable clamping component 8 is used to clamp syringes 9 of different thicknesses; the assembly adapter component 6 is installed at one end of the force detection tube clamp component 7, and the force detection tube clamp component 7 is installed at one end of the adjustable clamping component 8.

[0042] like Figures 4 to 7As shown, the assembly adapter component 6 includes a rotating shaft 61, which is rotatably connected to one end of the body 1, a first wrench 62 is installed at one end of the rotating shaft 61, a stopper 63 is installed at the bottom of the first wrench 62, and one end of the stopper 63 is installed on the surface of the body 1, and a rail bracket 64 is provided inside the body 1. The rail bracket 64 is provided with multiple strips, and the rail bracket 64 is slidably connected to the inside of the rail bracket 64. A long block 65 is installed at one end of the long block 65. There is a fixing frame 67, which is an arc-shaped bracket and consists of a convex arc segment, a concave segment, and a clamping segment. A handle 68 is installed at one end of the convex arc segment of the fixing frame 67. When the medical staff manually flips the first wrench 62, when the first wrench 62 is rotated by force, the rotating shaft 61 installed at one end of the first wrench 62 begins to rotate inside the body 1. At this time, the first wrench 62 is in a vertical state and remains perpendicular to the ground. Then the medical staff manually holds the handle 68 to turn the fixing frame 6 7, and one end of the long block 65 and the protrusion 66 installed at one end are fitted with the rail bracket 64 at one end of the first wrench 62. Then the medical staff pushes the fixing frame 67 toward one end of the handle 4 through the handle 68. When the long block 65 hits the inner wall of the body 1, the pushing stops. Then the first wrench 62 is pulled back to its original position to the right, and the first wrench 62 is turned to the right until it contacts the stopper 63. At this time, the stopper 63 prevents the first wrench 62 from continuing to turn, and the first wrench 62 is in a relatively parallel state to the ground. Then the inner wall of the first wrench 62 and one end of the fixing frame 67 are fitted with each other to complete the installation of the fixing frame 67. At this time, the assembly adapter component 6 is installed. Then the syringe 9 filled with stem cells is taken out of the freezing chamber, and then it is restored to a temperature close to that of the human body. The syringe 9 is installed with the connector 11 equipped with the hose 12, and then the hose 12 at one end of the connector 11 is installed and connected to the force detection pipe clamp component 7.

[0043] like Figures 6 to 9 As shown, the force detection pipe clamp assembly 7 includes an auxiliary frame 71, which is mounted on the surface of the protruding arc section of the fixed frame 67. The auxiliary frame 71 is a U-shaped structure, with the opening facing away from the surface of the fixed frame 67. The upper and lower inner walls of the auxiliary frame 71 are rollingly connected with power wheels 73, and the surface coating of the power wheels 73 is made of rubber. The upper and lower ends of the opening of the auxiliary frame 71 are rotatably mounted with elastic dial plates 72, and the interior of the fixed frame 67 is slidably connected with a slider 74, and a guide groove 75 is installed on one side of the slider 74. The interior of the guide groove 75 is slidably connected with a moving block 76, and two moving blocks 76 are installed. One end of the two moving blocks 76 is respectively mounted with a rubber splint 77, and the two rubber splints 77 are elastically connected. Multiple groups of holes are provided inside the two rubber splints 77, and detection wheels 78 are provided inside the two rubber splints 77. Force detectors 710 are mounted on the tops of the two rubber splints 77, and signal lines 79 are mounted on one end of the two rubber splints 77.

[0044] When the hose 12 contacts the force detection pipe clamp assembly 7, the hose 12 is first passed through the elastic pick plate 72 installed at one end of the auxiliary frame 71. When the hose 12 approaches the elastic pick plate 72, the elastic pick plate 72 flips inward. When the distance between the two sets of elastic pick plates 72 is greater than the diameter of the hose 12, the hose 12 enters the space formed between the auxiliary frame 71 and the elastic pick plate 72. After the hose 12 enters the interior of the auxiliary frame 71, the elastic pick plate 72 is reset under the action of the elastic force, and then the hose 12 begins to contact the power wheel 73. At the same time, the position of the slider 74 on the fixed frame 67 is adjusted according to the length of the syringe 9. Since the slider 74 slides damped on the fixed frame 67, it remains fixed in the absence of external thrust. Then the hose 12 at one end of the connector 11 is first placed between the upper and lower sets of rubber clamps 77, and then the sliding connection with the guide groove 75 is adjusted. The moving block 76 makes the rubber splint 77 installed at one end of the moving block 76 continuously contact the hose 12. The two sets of rubber splints 77 are elastically connected. After the hose 12 is placed between the two sets of rubber splints 77, the hose 12 is clamped. After the rubber splint 77 clamps the hose 12, the movement of the moving block 76 is stopped. At this time, the hose 12 is clamped and kept closed. Then the stem cell material inside the syringe 9 remains stationary. The syringe 9 is pushed toward the adjustable clamping assembly 8 until it is stuck in the adjustable clamping assembly 8. The blade at one end of the syringe 9 is inserted into the groove of the clamping segment of the fixed frame 67. Then, after one end of the piston push rod 10 is connected to the movable clamping frame 3, the medical staff manually pulls the hose 12. The power wheel 73 rotates due to the movement of the hose 12. When the power wheel 73 installed at the bottom of the auxiliary frame 71 rotates, the hose 12 begins to be transported to one end of the handle 68.

[0045] At this time, the bent hose 12 between the auxiliary frame 71 and the rubber splint 77 is gradually straightened until the hose 12 at one end of the rubber splint 77 is pulled, and the detection wheel 78 inside the rubber splint 77 starts to rotate. Since the electrical signal of the detection wheel 78 is transmitted to the force detector 710, and the force detector 710 transmits the electrical signal to the signal line 79, and the signal line 79 transmits the power signal back to the control panel 2, when the detection wheel 78 is rotated by the pulling force of the hose 12, the electrical signal of the detection wheel 78 is transmitted to the force detector 710, and then the force detector 710 transmits the electrical signal back to the control panel 2 through the signal line 79. Then, when the force of the rotation of the detection wheel 78 changes from large to small, the control panel 2 issues an alarm and then stops pulling the hose 12. At this time, the power wheel 73 stops rotating, and the hose 12 is also in a taut state.

[0046] like Figures 6 to 11As shown, the adjustable clamping assembly 8 includes a hollow block 85, which is mounted on the inner surface of the groove section of the fixed frame 67, and a hollow pipe frame 81 is sleeved inside the hollow block 85. One end of the hollow pipe frame 81 is inserted into the interior of the concave section of the fixed frame 67, and a first spring 82 is installed on the inner wall of the hollow pipe frame 81. A disc push rod 83 is slidably connected to the interior of the hollow pipe frame 81, and one end of the disc push rod 83 is connected to the first spring 82. A rubber block 84 is installed at one end of the disc push rod 83. Telescopic rods 86 are installed on the upper and lower sides of the hollow block 85, and an arc-shaped clamping claw 87 is installed at the end of the telescopic rod 86. A slide groove is opened inside the arc-shaped clamping claw 87, and the interior of the slide groove is slidably connected to the roller wheel 8 8. A second spring 89 is installed at one end of the roller wheel 88, and one end of the second spring 89 is installed on the inner wall of the slide groove of the arc-shaped clamping jaw 87. One end of the roller wheel 88 extends out of the arc-shaped clamping jaw 87 and is installed with a V-shaped bracket 810. The end of the V-shaped bracket 810 is installed with a connecting seat 811. The ends of the two groups of V-shaped brackets 810 are respectively installed at the upper and lower ends of the connecting seat 811. The interior of the connecting seat 811 is fixedly sleeved on the surface of the disc push rod 83. An arc-shaped block 812 is installed on the surface of the arc-shaped clamping jaw 87. One end of the bottom arc-shaped clamping jaw 87 is rotatably connected to the second wrench 814. A threaded lock 815 is installed at one end of the second wrench 814, and a blocking plate 813 is installed at the bottom of the second wrench 814.

[0047] When the syringe 9 moves closer to the adjustable clamping assembly 8, the rubber block 84 first comes into contact with one end of the syringe 9, and then the syringe 9 continues to push the rubber block 84 inward. At the same time, the disc push rod 83 is pushed by the force and begins to squeeze the first spring 82 inside the hollow tube frame 81 to contract. At the same time, when the disc push rod 83 moves, it drives the connecting seat 811 installed on the surface of the disc push rod 83 to move together. When the connecting seat 811 moves, the V-shaped bracket 810 moves together. When the V-shaped bracket 810 moves, the roller wheel 88 installed on the top of the V-shaped bracket 810 begins to slide inside the sliding groove of the arc-shaped clamping claw 87, and the sliding of the arc-shaped clamping claw 87 squeezes the second spring 89. At the same time, due to the size of the injection cylinder 9, the roller wheel 88 moves a distance and then stops. Due to the fixed size of the V-shaped bracket 810, the V-shaped bracket 810 connects one end of the roller wheel 88 to connect the arc-shaped clamping claw 87 to the opening at the end of the telescopic rod 86. The V-shaped bracket 810 is rotated with the roller wheel 88 as the center point, and the front end opening of the arc-shaped clamping claw 87 is closed by the limiting effect of the telescopic rod 86, and the end of the arc-shaped clamping claw 87 connected to the telescopic rod 86 is opened. Then, one end of the arc-shaped clamping claw 87 pulls the end of the telescopic rod 86 to move and stretch on the upper and lower surfaces of the hollow block 85, and the flipped arc-shaped clamping claw 87 is rotated with the roller wheel 88 as the center point. The claw 87 drives the arc-shaped block 812 to gradually come into contact with the surface of the syringe 9, and then fix it with three-point support. At this time, the medical staff flips and rotates it to install the second wrench 814. When the second wrench 814 and the blocking plate 813 are perpendicular to each other, the second wrench 814 fits with the surface of the arc-shaped clamping claw 87, and then rotates the threaded lock 815 to lock it. At this time, the installation and fixation of the syringe 9 are completed, and then the control panel 2 is operated to set the parameters, start the device, and perform stem cell infusion.

[0048] The workflow of the technical solution provided by the present invention is as follows:

[0049] First, the body 1 is placed on the workbench, and then the assembly adapter component 6 is installed on the body 1 according to the specifications of the syringe 9 required for stem cell bone marrow transplantation. Then the movable clamping frame 3 is moved to ensure that the syringe 9 can be placed on the assembly adapter component 6, and then the syringe 9 is installed on the connector 11, and then the hose 12 is connected to the connector 11.

[0050] When the body 1 is placed on the workbench and is ready to perform stem cell transplantation and infusion on the patient, the adapter component 6 is assembled for installation. First, check whether there are impurities inside the rail bracket 64 installed inside the body 1. Then the medical staff manually flips the first wrench 62. When the first wrench 62 is rotated under force, the rotating shaft 61 installed at one end of the first wrench 62 begins to rotate inside the body 1. At this time, the first wrench 62 is in a vertical state and remains perpendicular to the ground. Then the medical staff manually holds the handle 68 and fits the long block 65 and one end of the convex strip 66 installed at one end of the fixing frame 67 with the rail bracket 64 at one end of the first wrench 62. Then the medical staff pushes the fixing frame 67 toward one end of the handle 4 through the handle 68. When the long block 65 presses against the inner wall of the body 1, stop pushing, and then pull the first wrench 62 back to its original position to the right, and flip the first wrench 62 to the right until it contacts the stopper 63. At this time, the stopper 63 prevents the first wrench 62 from continuing to flip, and the first wrench 62 is in a relatively parallel state with the ground. Then the inner wall of the first wrench 62 and one end of the fixing frame 67 fit together to complete the installation of the fixing frame 67. At this time, the assembly adapter component 6 is installed, and then the syringe 9 filled with stem cells is taken out of the freezing chamber, and then it is restored to a temperature close to that of the human body, and the syringe 9 is installed with the connector 11 with the hose 12, and then the hose 12 at one end of the connector 11 is installed and connected to the force detection pipe clamp assembly 7.

[0051] When the hose 12 contacts the force detection pipe clamp assembly 7, the hose 12 is first passed through the elastic pick plate 72 installed at one end of the auxiliary frame 71. When the hose 12 approaches the elastic pick plate 72, the elastic pick plate 72 flips inward. When the distance between the two sets of elastic pick plates 72 is greater than the diameter of the hose 12, the hose 12 enters the space formed between the auxiliary frame 71 and the elastic pick plate 72. After the hose 12 enters the interior of the auxiliary frame 71, the elastic pick plate 72 is reset under the action of the elastic force, and then the hose 12 begins to contact between the power wheel 73. At the same time, the position of the slider 74 on the fixed frame 67 is adjusted according to the length of the syringe 9. The block 74 is damped and slides on the fixing frame 67, so it remains fixed in the absence of external thrust. Then, the hose 12 at one end of the connector 11 is placed between the upper and lower sets of rubber clamping plates 77. Then, the shifting block 76 slidably connected to the guide groove 75 is adjusted so that the rubber clamping plate 77 installed at one end of the shifting block 76 continuously contacts the hose 12. The two sets of rubber clamping plates 77 are elastically connected. After the hose 12 is placed between the two sets of rubber clamping plates 77, the hose 12 is clamped. After the rubber clamping plates 77 clamp the hose 12, the movement of the shifting block 76 is stopped. At this time, the hose 12 is clamped and kept closed. Then, the stem cell material inside the syringe 9 remains stationary, and then The syringe 9 is pushed toward the adjustable clamping assembly 8 until it is stuck in the adjustable clamping assembly 8, and the blade at one end of the syringe 9 is inserted into the groove of the clamping segment of the fixed frame 67. Then, one end of the piston push rod 10 is connected to the mobile clamping frame 3. The medical staff manually pulls the hose 12. The power wheel 73 rotates due to the movement of the hose 12. When the power wheel 73 installed at the bottom of the auxiliary frame 71 rotates, the hose 12 begins to be transported to one end of the handle 68. At this time, the bent hose 12 between the auxiliary frame 71 and the rubber splint 77 is gradually straightened until the hose 12 at one end of the rubber splint 77 is pulled, and the inside of the rubber splint 77 The detection wheel 78 starts to rotate. Since the electrical signal of the detection wheel 78 is transmitted to the force detector 710, and the force detector 710 transmits the electrical signal to the signal line 79, and the signal line 79 transmits the power signal back to the control panel 2, when the detection wheel 78 is rotated by the pulling force of the hose 12, the electrical signal of the detection wheel 78 is transmitted to the force detector 710, and then the force detector 710 transmits the electrical signal back to the control panel 2 through the signal line 79. Then, when the force of the rotation of the detection wheel 78 changes from large to small, the control panel 2 warns and then stops pulling the hose 12. At this time, the power wheel 73 stops rotating, and the hose 12 is also in a taut state.

[0052] When the syringe 9 moves closer to the adjustable clamping assembly 8, the rubber block 84 first comes into contact with one end of the syringe 9, and then the syringe 9 continues to push the rubber block 84 inward. At the same time, the disc push rod 83 is pushed by the force and begins to squeeze the first spring 82 inside the hollow tube frame 81 to contract. At the same time, when the disc push rod 83 moves, it drives the connecting seat 811 installed on the surface of the disc push rod 83 to move together. When the connecting seat 811 moves, the V-shaped bracket 810 moves together. When the V-shaped bracket 810 moves, the roller wheel 88 installed on the top of the V-shaped bracket 810 begins to slide inside the sliding groove of the arc-shaped clamping claw 87, and the sliding of the arc-shaped clamping claw 87 squeezes the second spring 89. At the same time, due to the size of the injection cylinder 9, the roller wheel 88 moves a distance and then stops. Due to the fixed size of the V-shaped bracket 810, the V-shaped bracket 810 connects one end of the roller wheel 88 to connect the arc-shaped clamping claw 87 to the opening at the end of the telescopic rod 86. The V-shaped bracket 810 is rotated with the roller wheel 88 as the center point, and the front end opening of the arc-shaped clamping claw 87 is closed by the limiting effect of the telescopic rod 86, and the end of the arc-shaped clamping claw 87 connected to the telescopic rod 86 is opened. Then, one end of the arc-shaped clamping claw 87 pulls the end of the telescopic rod 86 to move and stretch on the upper and lower surfaces of the hollow block 85, and the flipped arc-shaped clamping claw 87 is rotated with the roller wheel 88 as the center point. The claw 87 drives the arc-shaped block 812 to gradually come into contact with the surface of the syringe 9, and then fix it with three-point support. At this time, the medical staff flips and rotates it to install the second wrench 814. When the second wrench 814 and the blocking plate 813 are perpendicular to each other, the second wrench 814 fits with the surface of the arc-shaped clamping claw 87, and then rotates the threaded lock 815 to lock it. At this time, the installation and fixation of the syringe 9 are completed, and then the control panel 2 is operated to set the parameters, start the device, and perform stem cell infusion.

[0053] The present invention encompasses any alternatives, modifications, equivalents, and solutions that fall within the spirit and scope of the present invention. To provide a thorough understanding of the present invention, specific details are described in detail below in connection with the preferred embodiments of the present invention, but those skilled in the art will be able to fully understand the present invention without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of the present invention, well-known methods, processes, procedures, components, and circuits have not been described in detail.

[0054] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A stem cell transplant bone marrow infusion pump, characterized in that: The machine comprises a body, a control panel is mounted on the top of the body, a movable clamping frame is slidably connected to the interior of the body, a handle is mounted on one side of the body, a base is mounted on the bottom of the body, a piston push rod is mounted on one end of the movable clamping frame, a syringe is slidably connected to one end of the piston push rod, a connector is mounted on one end of the syringe, and a hose is mounted on one end of the connector; An assembly adapter component is installed at the front end of the body, and the assembly adapter component is used to complete installation and disassembly with different models of bodies; a force detection tube clamp component is installed inside the assembly adapter component, and the force detection tube clamp component is used to clamp the hose and detect the lateral tension applied to the hose; an adjustable clamping component is installed inside the body, and the adjustable clamping component is used to clamp syringes of different thicknesses; the assembly adapter component is installed at one end of the force detection tube clamp component, and the force detection tube clamp component is installed at one end of the adjustable clamping component.

2. The stem cell transplant bone marrow infusion pump according to claim 1, characterized in that: The assembly adapter component includes a rotating shaft, which is rotatably connected to one end of the body. A first wrench is installed at one end of the rotating shaft, a stop block is installed at the bottom of the first wrench, and one end of the stop block is installed on the surface of the body. A rail bracket is provided inside the body, and the rail bracket is provided with multiple rails.

3. The stem cell transplant bone marrow infusion pump according to claim 2, characterized in that: The rail bracket is internally slidably connected with a convex strip, one end of the convex strip is installed with a long strip block, one end of the long strip block is installed with a fixing frame, the fixing frame is an arc-shaped bracket, and is composed of a convex arc surface section, an inner concave section, and a clamping section, and one end of the convex arc surface section of the fixing frame is installed with a handle.

4. The stem cell transplant bone marrow infusion pump according to claim 3, characterized in that: The force detection pipe clamp assembly includes an auxiliary frame, which is installed on the surface of the protruding arc section of the fixed frame. The auxiliary frame has a U-shaped structure, and the opening is facing away from the surface of the fixed frame. The upper and lower inner walls of the auxiliary frame are rollingly connected with power wheels, and the surface coating of the power wheels is made of rubber material. Elastic paddles are rotatably installed at the upper and lower ends of the opening of the auxiliary frame.

5. The stem cell transplant bone marrow infusion pump according to claim 4, characterized in that: The interior of the fixing frame is slidably connected to a slider, one side of the slider is provided with a guide rail groove, the interior of the guide rail groove is slidably connected to a shift block, and two shift blocks are provided.

6. The stem cell transplant bone marrow infusion pump according to claim 5, characterized in that: A rubber splint is installed at one end of the two shift blocks, and the two rubber splints 77 are elastically connected. Multiple groups of holes are opened inside the two rubber splints, and detection wheels are set inside the two rubber splints. Force detectors are installed on the tops of the two rubber splints, and signal lines are installed at one end of the two rubber splints.

7. The stem cell transplant bone marrow infusion pump according to claim 6, characterized in that: The adjustable clamping assembly includes a hollow block, which is installed on the inner surface of the groove section of the fixed frame. A hollow pipe rack is sleeved inside the hollow block, one end of the hollow pipe rack is inserted into the interior of the concave section of the fixed frame, and a first spring is installed on the inner wall of the hollow pipe rack.

8. The stem cell transplant bone marrow infusion pump according to claim 7, characterized in that: A disc push rod is slidably connected to the interior of the hollow pipe rack, one end of the disc push rod is connected to the first spring, one end of the disc push rod is installed with a rubber block, telescopic rods are installed on the upper and lower sides of the hollow block, and arc-shaped clamping claws are installed on the ends of the telescopic rods.

9. The stem cell transplant bone marrow infusion pump according to claim 8, characterized in that: A sliding groove is provided inside the arc-shaped clamping jaw, and the interior of the sliding groove is slidably connected to a roller wheel. A second spring is installed at one end of the roller wheel, and one end of the second spring is installed on the inner wall of the arc-shaped clamping jaw sliding groove. One end of the roller wheel extends out of the arc-shaped clamping jaw and is installed with a V-shaped bracket. A connecting seat is installed at the end of the V-shaped bracket. The ends of the two groups of V-shaped brackets are respectively installed at the upper and lower ends of the connecting seat, and the interior of the connecting seat is fixedly sleeved on the surface of the disc push rod.

10. The stem cell transplant bone marrow infusion pump according to claim 9, characterized in that: An arc-shaped stop block is installed on the surface of the arc-shaped clamping jaw, one end of the arc-shaped clamping jaw at the bottom is rotatably connected to a second wrench, one end of the second wrench is installed with a thread lock, and a blocking plate is installed at the bottom of the second wrench.

Citation Information

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