Flow control device for gastrointestinal nutrition bag
By designing a flow control device for enteral nutrition bags with a limit frame and worm gear structure, the problems of inaccurate flow control and inconvenient disassembly in the existing technology are solved, realizing precise flow adjustment and convenient installation of the device, and reducing the cost of use.
Patent Information
- Application Number
- CN202423060601.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing enteral nutrition bag flow control devices are difficult to adjust precisely and are not easy to disassemble and reuse, resulting in high operating costs.
A flow control device comprising a first limiting frame, a second limiting frame, and an installation mechanism was designed. The device achieves precise flow regulation through a worm gear structure and facilitates installation and disassembly through a plug-in structure.
It enables precise and rapid control of the nutrient bag flow rate, reduces usage costs, and improves the reusability of the device.
Smart Images

Figure CN223930422U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, and in particular to a flow control device for a gastrointestinal nutrition bag. Background Technology
[0002] A gastrointestinal nutrition bag is a medical device primarily used to provide gastrointestinal nutritional support to patients who cannot obtain sufficient nutrition through a normal diet, especially the elderly and those recovering from surgery. The gastrointestinal nutrition bag flow control device is a device used to precisely control the infusion rate of the gastrointestinal nutrition solution. It is an important component of the gastrointestinal nutrition support system and plays a key role in the enteral nutrition process, ensuring that the nutrient solution can enter the patient's gastrointestinal tract at an appropriate rate.
[0003] In the existing technology, the flow control of nutrient bags usually adopts a roller-type flow control device. The main component is a clamp with a roller. The roller can roll on the infusion tube. By rolling, it compresses the infusion tube. The greater the pressure applied by the roller to the infusion tube, the more the infusion tube is flattened, the narrower the channel through which the nutrient solution flows, and the smaller the flow rate.
[0004] In the prior art, flow control devices are usually fixedly installed on the nutrient bag, which is inconvenient to disassemble. When the nutrient bag is used up, the flow control device is discarded along with the nutrient bag, resulting in low utilization. In addition, the degree of adjustment is difficult to control each time by rolling the roller, which is not conducive to precise flow control. Utility Model Content
[0005] The purpose of this invention is to provide a flow control device for enteral nutrition bags, which can achieve precise and rapid regulation of the flow rate of the nutrition bag, facilitate the installation and disassembly of the device, promote the reuse of the device, and effectively solve the problems in the background art mentioned above.
[0006] This utility model provides a flow control device for a gastrointestinal nutrition bag, including a first limiting frame, a second limiting frame connected to one side of the first limiting frame, the first limiting frame and the second limiting frame being sleeved on the infusion tube of the gastrointestinal nutrition bag, the bottom of the first limiting frame and the second limiting frame being mounted on an installation mechanism, and mounting brackets being movably connected to both ends of the installation mechanism, with pressure rollers rotatably mounted on the mounting brackets, the pressure rollers abutting against both sides of the adjustment tube of the gastrointestinal nutrition bag.
[0007] Preferably, one end of the first limiting frame is fixedly connected to a plug rod, and one end of the second limiting frame is provided with a slot, into which the plug rod is inserted.
[0008] Preferably, a movable block and a limiting block are fixedly connected to both sides of the mounting frame, and a pointer is fixedly installed on the movable block.
[0009] Preferably, the installation mechanism includes a first fixing block and a second fixing block, and the first fixing block and the second fixing block are respectively provided with a first limiting groove and a second limiting groove, and the movable block and the limiting block are slidably connected in the first limiting groove and the second limiting groove respectively.
[0010] Preferably, the first fixing block has a scale on its upper end, the second fixing block has through holes at both ends, and a connecting rod is fixedly connected to one side of the first fixing block.
[0011] Preferably, one end of the connecting rod is rotatably connected to a stop bar, and the stop bar passes through the through hole.
[0012] Preferably, a locking block is fixedly connected to one side of the second fixing block, and a locking groove is provided on one side of the stop bar, the locking groove engaging with the locking block.
[0013] Preferably, a bidirectional screw is rotatably mounted inside the first fixing block, and an adjustment component is provided in the middle of the bidirectional screw.
[0014] Preferably, the adjusting assembly includes a worm and a worm wheel, the worm being rotatably mounted in the first fixed block, and the worm being meshed with the worm wheel.
[0015] Preferably, the worm gear is fixedly installed in the middle of the bidirectional screw, and a knob is fixedly connected to one end of the worm.
[0016] This utility model provides a gastrointestinal nutrition bag flow control device, which, compared with the prior art:
[0017] 1. This utility model drives the worm and worm wheel to rotate by rotating the knob. The worm wheel drives the bidirectional screw to rotate. The bidirectional screw drives the movable blocks on both sides and the mounting bracket to move closer to the center of the first fixed block at the same time, so that the pressure rollers on both sides squeeze the regulating tube at the same time, and quickly complete the flow control regulation.
[0018] 2. By setting a scale on the first fixed block, this utility model allows medical staff to adjust the movable block to the designated position according to the scale display each time, thereby improving the accuracy and convenience of flow regulation.
[0019] 3. By setting the first limiting frame and the second limiting frame to be inserted together, and the first fixing block and the second fixing block to be inserted together, this utility model can facilitate the installation and disassembly of the flow control device, which is conducive to the reuse of the device and reduces the cost of use. Attached Figure Description
[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an embodiment of the present utility model;
[0022] Figure 2 This is a partial three-dimensional structural diagram of an embodiment of the present utility model;
[0023] Figure 3 This is a three-dimensional structural diagram of the first limiting frame and the second limiting frame in the embodiments of this utility model;
[0024] Figure 4 This is a three-dimensional structural diagram of the pressure roller in an embodiment of the present invention;
[0025] Figure 5 This is an embodiment of the present utility model. Figure 2 Enlarged view of the structure at point A in the middle;
[0026] Figure 6 This is a three-dimensional structural diagram of the second fixing block in an embodiment of the present invention;
[0027] Figure 7 This is a three-dimensional structural diagram of the stop bar in an embodiment of this utility model;
[0028] Figure 8 This is a three-dimensional structural diagram of the card block and through hole in an embodiment of the present utility model;
[0029] Figure 9 This is a partial exploded view of an embodiment of the present invention.
[0030] Figure label:
[0031] 1. First limiting frame; 11. Insert rod; 2. Mounting mechanism; 21. First fixing block; 211. First limiting groove; 212. Scale; 22. Second fixing block; 221. Second limiting groove; 222. Through hole; 223. Locking block; 23. Connecting rod; 231. Stop bar; 232. Locking groove; 24. Bidirectional screw; 25. Adjusting component; 251. Knob; 252. Worm gear; 253. Worm wheel; 3. Pressure roller; 31. Mounting frame; 32. Movable block; 33. Pointer; 34. Limiting block; 4. Infusion tube; 41. Adjusting tube; 5. Second limiting frame; 51. Slot. Detailed Implementation
[0032] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.
[0033] Please refer to Figures 1-9 This utility model embodiment provides a flow control device for a gastrointestinal nutrition bag, including a first limiting frame 1, a second limiting frame 5 connected to one side of the first limiting frame 1, the first limiting frame 1 and the second limiting frame 5 being sleeved on the infusion tube 4 of the gastrointestinal nutrition bag, the bottom of the first limiting frame 1 and the second limiting frame 5 being mounted on an installation mechanism 2, and an installation frame 31 being movably connected to both ends inside the installation mechanism 2, and a pressure roller 3 being rotatably mounted on the installation frame 31, the pressure roller 3 abutting against both sides of the adjustment tube 41 of the gastrointestinal nutrition bag.
[0034] In this application, the first limiting frame 1 and the second limiting frame 5 are sleeved on the upper end of the regulating tube 41, the mounting mechanism 2 is sleeved on the middle part of the regulating tube 41, and the pressure roller 3 can move inside the mounting mechanism 2 to squeeze the regulating tube 41, thereby controlling and regulating the flow of the gastrointestinal nutrition bag.
[0035] The first limiting frame 1 has a fixed connection to a rod 11 at one end, and the second limiting frame 5 has a slot 51 at one end, into which the rod 11 is inserted.
[0036] In this application, the insertion rod 11 is inserted into the slot 51, so that the upper ends of the first limiting frame 1 and the second limiting frame 5 are sleeved on the infusion tube 4, and the bottom is supported by the adjusting tube 41, so that the entire flow control device can be fixed at the adjusting tube 41.
[0037] The mounting bracket 31 has a movable block 32 and a limit block 34 fixedly connected to both sides, and a pointer 33 is fixedly installed on the movable block 32.
[0038] In this application, the movable block 32 is threaded onto the bidirectional screw 24 and slidably connected in the first limiting groove 211. The limiting block 34 is inserted into the second limiting groove 221. Then, while the mounting bracket 31 moves, it slides along the inner wall of the second limiting groove 221. The pointer 33 corresponds to the position of the scale 212. By observing the position of the scale 212 indicated by the pointer 33, the position of the pressure roller 3 and the compression of the regulating tube 41 can be determined, thereby controlling the flow rate of the gastrointestinal nutrition bag.
[0039] The mounting mechanism 2 includes a first fixing block 21 and a second fixing block 22. The first fixing block 21 and the second fixing block 22 are respectively provided with a first limiting groove 211 and a second limiting groove 221. A movable block 32 and a limiting block 34 are slidably connected within the first limiting groove 211 and the second limiting groove 221, respectively. A scale 212 is provided on the upper end of the first fixing block 21. Through holes 222 are provided at both ends of the second fixing block 22. A connecting rod 23 is fixedly connected to one side of the first fixing block 21, and a stop rod 231 is rotatably connected to one end of the connecting rod 23, passing through the through hole 222. 22. A locking block 223 is fixedly connected to one side of the second fixing block 22. A locking groove 232 is provided on one side of the stop rod 231. The locking groove 232 engages with the locking block 223. A bidirectional screw 24 is rotatably installed inside the first fixing block 21. An adjusting component 25 is provided in the middle of the bidirectional screw 24. The adjusting component 25 includes a worm 252 and a worm wheel 253. The worm 252 is rotatably installed inside the first fixing block 21. The worm 252 is meshed with the worm wheel 253. The worm wheel 253 is fixedly installed in the middle of the bidirectional screw 24. A knob 251 is fixedly connected to one end of the worm 252.
[0040] In this application, the position of the pressure rollers 3 on both sides can be adjusted by adjusting component 25, thereby changing the pressure of the regulating tube 41. During operation, rotating knob 251 drives worm gear 252 and worm wheel 253 to rotate. Worm wheel 253 drives bidirectional screw 24 to rotate. Bidirectional screw 24 drives the movable blocks 32 on both sides and mounting bracket 31 to move closer to the middle of the first fixed block 21 at the same time, so that the pressure rollers 3 gradually squeeze the regulating tube 41 to achieve flow regulation. By setting scale 212, medical staff can adjust the movable block 32 to the specified position according to the scale 212 display each time, improving the accuracy and convenience of flow regulation. By adjusting the pressure rollers 3 on both sides at the same time, flow control regulation can be completed quickly.
[0041] The first fixing block 21 and the second fixing block 22 are connected by a connecting rod 23 and a stop rod 231. When connecting, the stop rod 231 is aligned with the position of the through hole 222. The stop rod 231 is passed through the through hole 222 and then rotated so that the slot 232 is engaged with the corresponding block 223, thereby fixing the stop rod 231 to one side of the second fixing block 22. This achieves the connection and fixation between the first fixing block 21 and the second fixing block 22, ensuring the stability of the connection between the pressure roller 3 and the adjusting tube 41.
[0042] By setting the first limiting frame 1 and the second limiting frame 5 to be inserted together, and the first fixing block 21 and the second fixing block 22 to be inserted together, the installation and disassembly of the flow control device can be facilitated, which is conducive to the reuse of the device and reduces the cost of use.
[0043] In summary, the working principle of the gastrointestinal nutrition bag flow control device of this utility model embodiment is as follows:
[0044] First, the first limiting frame 1 and the second limiting frame 5 are inserted together. At the same time, the stop rod 231 is inserted through the through hole 222. Then, the stop rod 231 is rotated so that the locking block 223 is locked onto the locking block 223, thus completing the installation and fixing of the device. When adjusting the flow rate of the enteral nutrition bag, the knob 251 is rotated to drive the worm gear 252 and the worm wheel 253 to rotate. The worm wheel 253 drives the bidirectional screw 24 to rotate, so that the movable blocks 32 on both sides move closer to the middle of the first fixed block 21 at the same time, thereby causing the pressure roller 3 to gradually squeeze the regulating tube 41 to achieve flow rate adjustment.
[0045] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A flow control device for a gastrointestinal nutrition bag, comprising a first limiting frame (1), characterized in that: A second limiting frame (5) is connected to one side of the first limiting frame (1). The first limiting frame (1) and the second limiting frame (5) are sleeved on the infusion tube (4) of the enteral nutrition bag. The bottom of the first limiting frame (1) and the second limiting frame (5) are installed on the installation mechanism (2). Both ends of the installation mechanism (2) are movably connected to the installation frame (31). A pressure roller (3) is rotatably installed on the installation frame (31). The pressure roller (3) abuts against both sides of the adjustment tube (41) of the enteral nutrition bag.
2. The gastrointestinal nutrition bag flow control device according to claim 1, characterized in that: The first limiting frame (1) has a fixed connection to a plug rod (11) at one end, and the second limiting frame (5) has a slot (51) at one end, and the plug rod (11) is inserted into the slot (51).
3. The gastrointestinal nutrition bag flow control device according to claim 1, characterized in that: The mounting bracket (31) has a movable block (32) and a limiting block (34) fixedly connected to both sides, and a pointer (33) is fixedly installed on the movable block (32).
4. The gastrointestinal nutrition bag flow control device according to claim 3, characterized in that: The installation mechanism (2) includes a first fixing block (21) and a second fixing block (22). The first fixing block (21) and the second fixing block (22) are respectively provided with a first limiting groove (211) and a second limiting groove (221). The movable block (32) and the limiting block (34) are respectively slidably connected in the first limiting groove (211) and the second limiting groove (221).
5. The gastrointestinal nutrition bag flow control device according to claim 4, characterized in that: The first fixing block (21) has a scale (212) on its upper end, and the second fixing block (22) has through holes (222) at both ends. A connecting rod (23) is fixedly connected to one side of the first fixing block (21).
6. The gastrointestinal nutrition bag flow control device according to claim 5, characterized in that: One end of the connecting rod (23) is rotatably connected to a stop bar (231), and the stop bar (231) passes through the through hole (222).
7. The gastrointestinal nutrition bag flow control device according to claim 6, characterized in that: A locking block (223) is fixedly connected to one side of the second fixing block (22), and a locking groove (232) is provided on one side of the stop bar (231), and the locking groove (232) engages with the locking block (223).
8. The gastrointestinal nutrition bag flow control device according to claim 4, characterized in that: The first fixing block (21) has a bidirectional screw (24) rotatably mounted inside, and an adjustment component (25) is provided in the middle of the bidirectional screw (24).
9. The gastrointestinal nutrition bag flow control device according to claim 8, characterized in that: The adjustment assembly (25) includes a worm (252) and a worm wheel (253). The worm (252) is rotatably mounted in the first fixed block (21), and the worm (252) is meshed with the worm wheel (253).
10. The gastrointestinal nutrition bag flow control device according to claim 9, characterized in that: The worm gear (253) is fixedly installed in the middle of the bidirectional screw (24), and a knob (251) is fixedly connected to one end of the worm (252).