Infusion apparatus with length-controllable infusion tube

Abstract

The utility model relates to an infusion apparatus with a length-controllable infusion tube, which is provided with an infusion bag, a puncture outfit, an infusion tube, a dropper, an adjusting valve used for adjusting the infusion flow rate in the infusion tube and a needle head, the puncture outfit is fixed at one end of the infusion tube, and the needle head is fixed at the other end of the infusion tube. A needle on the infusion tube is communicated with the infusion tube through the puncture outfit, the dropper is arranged on the infusion tube and integrally formed with the infusion tube, and the adjusting valve is fixedly arranged on the outer wall of the infusion tube and located between the puncture outfit and the dropper. An adjusting assembly is arranged between the dropper and the needle head, the adjusting assembly comprises an adjusting box body, two first adjusting wheels and a first sliding shaft, the outer wall of each first adjusting wheel is provided with a caulking groove coaxial with the first adjusting wheel, and the adjusting box body is provided with a leading-in opening for leading-in of an infusion tube and a leading-out opening for leading-out of the infusion tube. The device is ingenious in structure, convenient and practical.

Description

Technical Field

[0001] The utility model relates to the field of infusion sets, in particular to an infusion set with a controllable infusion tube length. Background Art

[0002] An infusion set is a medical device used to deliver liquids such as medicines, nutrients, and saline to a patient through a vein. Its background technology involves multiple aspects, including infusion principles, structural design, material selection, and safety considerations. With technological advancements, the types of infusion sets are also increasing, including gravity-fed infusion sets, micro-infusion sets, electric infusion sets, pressure-sensing infusion sets, and smart infusion sets. These infusion sets have the characteristics of high precision, easy operation, safety and reliability, strong adjustability, wide adaptability, and economical and practical application. In addition, the intelligence and personalization of infusion sets are also future development trends. Integrating the Internet of Things and artificial intelligence technologies, developing intelligent infusion systems can achieve remote monitoring, automatic alarms, and intelligent deployment to improve medical efficiency and safety.

[0003] The existing infusion device has a relatively simple structure, but the infusion tube is mostly long. When in an emergency situation or when the infusion patient needs to be transferred, the overly long tube is easy to get hooked and entangled with other objects during the movement, which poses a certain risk and can easily cause secondary injuries to the patient. Therefore, it is necessary to develop an infusion device with adjustable infusion tube length. Utility Model Content

[0004] The purpose of the utility model is to provide an infusion device with controllable infusion tube length, which has an ingenious structure, can quickly and comprehensively adjust the length of the infusion tube, and is efficient and practical.

[0005] The technical solution for achieving the purpose of the utility model is as follows: the utility model comprises an infusion bag, a puncture device, an infusion tube, a dropper, a regulating valve for regulating the infusion flow rate in the infusion tube, and a needle, wherein the puncture device is fixed at one end of the infusion tube, and the needle is fixed at the other end of the infusion tube. After the puncture device pierces the infusion bag, the needle on the infusion tube is connected with the infusion tube through the puncture device, the dropper is arranged on the infusion tube and is integrally formed with the infusion tube, the regulating valve is fixed on the outer wall of the infusion tube, and the regulating valve is located between the puncture device and the dropper; a regulating valve is provided between the dropper and the needle to adjust the length of the infusion tube. The adjusting assembly for adjustment includes an adjusting box body, two first adjusting wheels synchronously slidably arranged in the adjusting box body, and a first sliding shaft connected to each first adjusting wheel coaxially rotatably provided, an outer wall of each first adjusting wheel is provided with an embedding groove coaxially arranged with the first adjusting wheel, the adjusting box body is provided with an inlet for introducing an infusion tube and an outlet for leading out the infusion tube, the front end surface of the adjusting box body is provided with two first adjusting grooves, the inner wall of the adjusting box body is provided with a first internal groove corresponding to each first adjusting groove, and one end of each first sliding shaft is slidably arranged in the first adjusting groove The cam is secured to the chassis and has a first end that is adapted to engage the first end of the first slide and engage with the second end of the first slide. There are symmetrical lock slot groups on both sides of the , each lock slot group includes a plurality of lock slots evenly distributed along the extension direction of the first adjusting slide, each lock slot is connected to the first adjusting slide, the infusion tube is extended into the adjusting box body through the inlet, passes through the embedding grooves on each first adjusting wheel and extends out of the adjusting box body from the outlet, each first adjusting wheel slides synchronously with the cooperation of the first sliding shaft, the first adjusting slide and the first internal slide, and stores the excessively long infusion tube in the inner adjusting box body, and each lock rod on the telescopic part is fixedly connected to the adjusting box body after being embedded in the corresponding lock slot under the continuous force of the reset spring.

[0006] Furthermore, the above-mentioned adjusting box body is further provided with a second adjusting wheel slidably arranged in the adjusting box body, the outer wall of the second adjusting wheel is provided with an embedding groove coaxially arranged with the second adjusting wheel, the rear end surface of the adjusting box body is provided with a second adjusting slot, the inner wall of the adjusting box body is provided with a second internal slot corresponding to the second adjusting slot, one end of the second sliding shaft is slidably arranged in the second internal slot, and the other end of the second sliding shaft extends out of the second adjusting slot, the second adjusting wheel is located between the two first adjusting wheels, and a positioning component for positioning the second sliding shaft after sliding is provided on one side wall of the second adjusting slot, the positioning component including a plurality of positioning components along the second The adjusting slide has positioning holes evenly distributed in the extension direction of the adjustment slide, a positioning lock block slidingly arranged in the positioning slide hole, and a positioning spring. The extension direction of each positioning slide hole is perpendicular to the extension direction of the second adjusting slide groove. Each positioning lock block is provided with a guide arc surface that can guide the sliding of the second slide shaft. The two ends of the positioning spring are respectively fixed to the bottom surface of the positioning lock block and the bottom of the positioning slide hole. The second adjusting wheel receives the infusion tube through the cooperation of the second slide shaft, the second adjusting slide groove and the second internal slide groove, and is continuously applied force to the positioning lock block by the positioning spring, and the limiting pressure of the positioning lock block on the second slide shaft is positioned in the adjustment box body.

[0007] Furthermore, both the inlet and outlet of the regulating box are provided with avoidance arc surfaces.

[0008] Furthermore, the depth of the embedded groove on each of the first adjusting wheel and the second adjusting wheel is greater than or equal to the radius of the infusion tube.

[0009] Furthermore, a strap is provided between the adjustment box body and the needle to fix the infusion tube to the patient's arm. One end of the strap is provided with a loop portion which is integrally formed with the strap and through which the infusion tube can pass. A velvet belt is provided on the end of the strap away from the loop portion, and a hook belt corresponding to the velvet belt is provided on the other side of the strap. After the strap is wrapped and bound, it is detachably fixed by the cooperation of the velvet belt and the hook belt.

[0010] The present invention has positive effects: (1) the present invention arranges an adjustment component between the dropper and the needle, and each first adjustment wheel is slidably arranged in the adjustment box body through the cooperation of the first adjustment slide and the first internal slide. After the infusion tube is inserted into the adjustment box body through the inlet, it passes through the embedded groove on each first adjustment wheel and extends out of the adjustment box body from the outlet. Each first adjustment wheel slides synchronously through the cooperation of the first sliding shaft, the first adjustment slide and the first internal slide and stores the excessively long infusion tube in the adjustment box body, and each locking rod on the telescopic part is embedded in the corresponding locking groove under the continuous force of the return spring and is fixedly connected to the adjustment box body, effectively solving the problem in the prior art that the excessively long infusion tube is easily hooked and entangled with other objects, thereby causing harm to the patient. By sliding the two first adjustment wheels, the excessively long infusion tube can be stored in the adjustment box body and fixed by the cooperation of the locking pin and the locking groove, which can ensure the high efficiency of the infusion tube storage and the controllability of the infusion tube length adjustment. The structure is ingenious and efficient and convenient.

[0011] (2) The utility model sets a second adjusting wheel, and the second adjusting wheel slides stably in the adjusting box body through the second adjusting slot and the second internal slot, and the second adjusting wheel is set between the two first adjusting wheels. Through the sliding of the second adjusting wheel, the length of the infusion tube can be further adjusted. During the adjustment process, the operator applies external force to make the second slide shaft slide and adjust in the second adjusting slot to overcome the elastic force continuously applied by the positioning spring to the positioning lock block, and after the adjustment is completed, the positioning lock block is reset to position the second slide shaft, thereby comprehensively and stably sliding the second adjusting wheel and adjusting the length of the infusion tube, further ensuring the stability, convenience and efficiency of the infusion tube length adjustment.

[0012] (3) The present invention provides avoidance arc surfaces at the inlet and outlet of the regulating box body, thereby preventing the regulating box body from excessively pressing the infusion tube and causing the infusion tube to be folded or even broken. The avoidance arc surfaces can effectively relieve the pressure generated between the two, which is safe and practical.

[0013] (4) The present invention ensures that the infusion tube will not be separated from the first adjusting wheel or the second adjusting wheel during the process of length adjustment and storage by making the groove depth of the embedded groove on the first adjusting wheel and the second adjusting wheel greater than the radius of the infusion tube, thereby ensuring the high efficiency of the infusion tube length adjustment.

[0014] (5) The utility model can effectively fix the infusion tube to the patient's hand by arranging a strap between the adjustment box body and the needle, and ensures the detachability of the strap through the cooperation of the velvet strap and the hook strap, thereby preventing the infusion tube from being separated from the patient's hand due to shaking or other external factors during the infusion process, thereby ensuring the safety of the infusion environment and the overall stability of the infusion device, and being convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to make the content of the present invention easier to understand, the present invention is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein

[0016] Figure 1 This is a schematic diagram of the overall structure of the infusion device with controllable infusion tube length in the utility model;

[0017] Figure 2 This is a cross-sectional view of the connection structure between the connecting plate and each first sliding shaft in the present invention;

[0018] Figure 3 It is a cross-sectional view of the overall structure of the second sliding shaft in the present utility model;

[0019] Figure 4 This is a front view of the overall structure of the adjustment box body in the present utility model;

[0020] Figure 5 This is a cross-sectional view of the internal structure of the regulating box body in the present invention;

[0021] Figure 6 This is a cross-sectional view of the overall structure of the second adjusting slot on the adjusting box body in the present invention;

[0022] Figure 7 for Figure 6 Enlarged view of point A in the middle;

[0023] Figure 8 This is a cross-sectional view of the overall structure of the second internal sliding groove in the adjustment box body of the present invention;

[0024] Figure 9 It is a top view of the overall structure of the binding strap in the present invention. DETAILED DESCRIPTION

[0025] See Figures 1 to 9The utility model comprises an infusion bag 1, a puncture device 2, an infusion tube 5, a dropper 4, a regulating valve 3 for adjusting the infusion flow rate in the infusion tube 5, and a needle 6. The puncture device 2 is fixed to one end of the infusion tube 5, and the needle 6 is fixed to the other end of the infusion tube 5. After the puncture device 2 pierces the infusion bag 1, the needle 6 on the infusion tube 5 is connected with the infusion tube 5 through the puncture device 2. The dropper 4 is arranged on the infusion tube 5 and is integrally formed with the infusion tube 5. The regulating valve 3 is fixedly arranged on the outer wall of the infusion tube 5, and the regulating valve 3 is located between the puncture device 2 and the dropper 4; an adjusting component 7 for adjusting the length of the infusion tube 5 is provided between the dropper 4 and the needle 6, and the adjusting component 7 includes an adjusting box body 71, two synchronous slides The first adjusting wheel 73 is movably arranged in the adjusting box body 71, and the first sliding shaft 72 is coaxially rotatably connected to each first adjusting wheel 73. The outer wall of each first adjusting wheel 73 is provided with an embedding groove 70 coaxially arranged with the first adjusting wheel 73. The adjusting box body 71 is provided with an inlet 77 for the infusion tube 5 to be introduced, and an outlet 78 for the infusion tube 5 to be led out. The front end surface of the adjusting box body 71 is provided with two first adjusting grooves 711, and the inner wall of the adjusting box body 71 is provided with a first internal groove 712 corresponding to each first adjusting groove 711. One end of each first sliding shaft 72 is slidably arranged in the first internal groove 712, and the other end of each first sliding shaft 72 extends out of the first adjusting groove 71 The first and second adjustment slots 711 and 712 are connected by a connecting rod. The first sliding shaft 72 includes a sliding rod portion 721 and a telescopic portion 722 that are slidably connected. The sliding rod portion 721 is provided with a telescopic shaft 723 coaxially arranged with the sliding rod portion 721. The telescopic portion 722 is provided with a telescopic groove 724 corresponding to the telescopic shaft 723. A return spring 725 is sleeved on the telescopic shaft 723. The two ends of the return spring 725 act on the telescopic shaft 723 and the telescopic groove 724 respectively. The end of each telescopic portion 722 away from the telescopic shaft 723 is fixedly connected to the connecting rod. Locking pins 726 are provided on both sides of each telescopic portion 722. When the locking chute 71 is unlocked, the locking chute 77 is unlocked, and the locking chute 77 is unlocked. The chute 77 is unlocked, and the chute 77 is unlocked.

[0026] The adjusting box body 71 is further provided with a second adjusting wheel 75 slidably arranged in the adjusting box body 71, and the outer wall of the second adjusting wheel 75 is provided with an embedding groove 70 coaxially arranged with the second adjusting wheel 75, and the rear end surface of the adjusting box body 71 is provided with a second adjusting slide groove 714, and the inner wall of the adjusting box body 71 is provided with a second internal slide groove 715 corresponding to the second adjusting slide groove 714. One end of the second slide shaft 74 is slidably arranged in the second internal slide groove 715, and the other end of the second slide shaft 74 extends out of the second adjusting slide groove 714. The second adjusting wheel 75 is located between the two first adjusting wheels 73, and a side wall of the second adjusting slide groove 714 is provided with a positioning component 9 that can position the second slide shaft 74 after sliding. The positioning component 9 includes a plurality of positioning components along the second adjusting slide groove 71 The second adjusting wheel 75 is fixed to the bottom surface of the positioning lock block 92 and the bottom of the positioning slide hole 716, and the second adjusting slide hole 716 is fixed to the bottom surface of the positioning lock block 92 and the bottom of the positioning slide hole 716. The second adjusting wheel 75 receives the infusion tube 5 through the cooperation of the second slide shaft 74, the second adjusting slide groove 714 and the second internal slide groove 715, and is positioned in the adjustment box body 71 by the continuous force of the positioning spring 91 on the positioning lock block 92 and the limiting pressure of the positioning lock block 92 on the second slide shaft 74.

[0027] The inlet 77 and the outlet 78 of the regulating box body 71 are both provided with avoidance arc surfaces 79 .

[0028] The depth of the embedding groove 70 on each of the first adjusting wheel 73 and the second adjusting wheel 75 is greater than or equal to the radius of the infusion tube 5 .

[0029] A strap 8 for fixing the infusion tube 5 to the patient's arm is also provided between the adjustment box body 71 and the needle 6. One end of the strap 8 is provided with a loop portion 81 which is integrally formed with the strap 8 and through which the infusion tube 5 can pass. A velvet belt 82 is provided on the end of the strap 8 away from the loop portion 81, and a hook belt 83 corresponding to the velvet belt 82 is provided on the other side of the strap 8. After the strap 8 is wrapped and bound, it is detachably fixed by the cooperation of the velvet belt 82 and the hook belt 83.

[0030] When the infusion tube 5 is too long, the medical staff can pull the connecting rod, which drives the telescopic parts 722 to slide. During the sliding process of the telescopic parts 722, the locking pins 726 are disengaged from the corresponding locking grooves 713. Then, the operator can make the first sliding shafts 72 slide synchronously in the first adjusting grooves 711 and the first internal grooves 712, thereby sliding and adjusting the first adjusting wheels 73. The sliding of the first adjusting wheels 73 drives the infusion tube 5 to adjust the length and store it. After the adjustment is completed, the medical staff can loosen the connecting rod, and the telescopic parts 722 are reset. When locking cam 752 is in the state of being rotated, the operator can lock lock 74 and lock lock 74, thereby locking cam 752 in the state of being rotated.

[0031] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An infusion set with a controllable infusion tube length, comprising an infusion bag, a puncture device, an infusion tube, a dropper, a regulating valve for adjusting the flow rate of infusion in the infusion tube, and a needle; the puncture device is fixed to one end of the infusion tube, and the needle is fixed to the other end of the infusion tube; after the puncture device penetrates the infusion bag, the needle on the infusion tube communicates with the infusion tube through the puncture device; the dropper is disposed on the infusion tube and is integrally formed with the infusion tube; the regulating valve is fixed to the outer wall of the infusion tube, and the regulating valve is located between the puncture device and the dropper; and the characteristics are: The adjusting assembly for adjusting the length of the infusion tube is provided between the dropper and the needle, and the adjusting assembly includes an adjusting box body, two first adjusting wheels synchronously slidably arranged in the adjusting box body, and a first sliding shaft coaxially rotatably connected to each of the first adjusting wheels, an outer wall of each of the first adjusting wheels is provided with an embedding groove coaxially arranged with the first adjusting wheel, the adjusting box body is provided with an inlet for introducing the infusion tube and an outlet for leading the infusion tube, and the front end surface of the adjusting box body is provided with two first adjusting slides, the inner wall of the adjusting box body is provided with first internal slides corresponding to each of the first adjusting slides, one end of each first sliding shaft is slidably arranged in the first internal slide, the other end of each first sliding shaft extends out of the first adjusting slide, and one end of each first sliding shaft extending out of the first adjusting slide is connected by a connecting rod. The first sliding shaft includes a sliding rod portion and a telescopic portion in a slidable connection, and the sliding rod portion is provided with a sliding rod portion that is connected to the sliding rod The cam is provided with a plurality of locking pins on the two ends of the telescopic shaft, and the locking pins are connected with the connecting rod of the telescopic shaft to form a locking pin.

2. The infusion set with controllable infusion tube length according to claim 1, characterized in that: The adjusting box body is further provided with a second adjusting wheel slidably arranged in the adjusting box body, and the outer wall of the second adjusting wheel is provided with an embedding groove coaxially arranged with the second adjusting wheel, and the rear end surface of the adjusting box body is provided with a second adjusting slot, and the inner wall of the adjusting box body is provided with a second internal slot corresponding to the second adjusting slot. One end of the second sliding shaft is slidably arranged in the second internal slot, and the other end of the second sliding shaft extends out of the second adjusting slot. The second adjusting wheel is located between the two first adjusting wheels. A positioning component is provided on one side wall of the second adjusting slot for positioning the second sliding shaft after sliding, and the positioning component includes multiple positioning components along the second adjusting slot The cam is fixed on the second adjusting chute and is secured to the cam face with an angular channel formed between a threaded hole and a cylindrical outer cam, the cam being arranged to slide along the longitudinal direction of the chute so as to move the cylinder to a horizontal position and a cylindrical outer cam being arranged on the cam face.

3. The infusion device with controllable infusion tube length according to claim 2, characterized in that: The inlet and outlet of the regulating box body are both provided with avoidance arc surfaces.

4. The infusion device with controllable infusion tube length according to claim 3, characterized in that: The depth of the embedded grooves on each of the first adjusting wheel and the second adjusting wheel is greater than or equal to the radius of the infusion tube.

5. The infusion device with controllable infusion tube length according to claim 4, characterized in that: A strap for fixing the infusion tube to the patient's arm is also provided between the adjustment box body and the needle. One end of the strap is provided with a loop portion which is integrally formed with the strap and through which the infusion tube can pass. A velvet belt is provided on the end of the strap away from the loop portion, and a hook belt corresponding to the velvet belt is provided on the other side of the strap. After the strap is wrapped and bound, it is detachably fixed by the cooperation of the velvet belt and the hook belt.

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