Blood return prevention infusion apparatus
By designing an anti-blood-backflow infusion device with an anti-blood-backflow splint structure, the problem of blood backflow in the infusion tube is solved, and a safe and reliable infusion effect is achieved.
Patent Information
- Application Number
- CN202422261571.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-09-14
AI Technical Summary
During infusion therapy, after the medicine in the infusion tube is filled, blood refluxes, causing discomfort to the patient and posing a safety hazard.
An anti-blood backflow infusion set is designed, which includes an anti-blood backflow clamp, a splint and a locking ring structure. The splint is closed and flattened to clamp the infusion tube to achieve a blocking effect and prevent blood backflow.
It prevents blood from flowing back, improves the safety of infusion, has perfect overall functions and is safe to use.
Smart Images
Figure CN223474205U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, and more specifically, it relates to an anti-backflow infusion device. Background Technology
[0002] During intravenous infusion therapy, once the medication in the infusion tube has been administered, blood can flow back into the blood vessels, potentially causing discomfort to the patient and posing a safety hazard. Therefore, this invention proposes an anti-backflow infusion device. Utility Model Content
[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an anti-backflow infusion set, which has the characteristics of preventing backflow and being safe to use.
[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: The utility model relates to an anti-backflow infusion set, which includes an infusion tube with an anti-backflow clamp on the infusion tube. The anti-backflow clamp includes a top plate with a hole for the infusion tube to pass through. A first clamping plate is provided on the left side of the top plate and a second clamping plate is provided on the right side. Both the first and second clamping plates have a pointed tip that abuts against the clamping peak of the infusion tube. The set also includes a locking ring fitted on the first and second clamping plates. Limiting protrusions are arranged at intervals along the left and right sides on the front and rear sides of the locking ring. A limiting groove is formed between two adjacent limiting protrusions. A limiting block is provided in one of the limiting grooves and the limiting block is connected to the second clamping plate.
[0005] The present invention is further configured such that: the first clamping plate is provided with a hook to restrict the falling of the locking ring.
[0006] The present invention is further configured such that the bottom of both the first clamping plate and the second clamping plate are provided with outwardly extending winglets.
[0007] The present invention is further configured such that: the limiting protrusion extends at an angle away from the locking ring; the limiting protrusion extends at an angle away from the limiting block.
[0008] The present invention is further configured such that the distance between two adjacent limiting protrusions on the same side is equal.
[0009] The present invention is further configured such that the limiting blocks are arranged symmetrically on the second clamping plate.
[0010] In summary, the present invention has the following beneficial effects: The anti-backflow infusion set involved in the present invention closes the first and second clamps, causing the two clamps to close and flatten the infusion tube passing between them, thus blocking it and achieving the anti-backflow effect. It is safe to use, has complete overall functions, and is highly practical. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0012] Figure 2 This is a top view of the structure of this utility model;
[0013] Figure 3 This is a partial structural schematic diagram of the present invention. Detailed Implementation
[0014] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of this utility model, and not for limiting the patent claims of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.
[0015] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.
[0016] Example 1
[0017] See also Figures 1 to 3 As shown, the anti-backflow infusion set involved in this embodiment includes an infusion tube 100, and an anti-backflow clamp 200 is provided on the infusion tube 100. The anti-backflow clamp 200 includes a top plate 1, and a hole 2 is opened on the top plate 1 for the infusion tube to pass through. A first clamping plate 3 is provided on the left side of the top plate 1 and a second clamping plate 4 is provided on the right side. The first clamping plate 3 and the second clamping plate 4 are both provided with a clamping peak 5 with the tip abutting against the infusion tube. It also includes a locking ring 6 sleeved on the first clamping plate 3 and the second clamping plate 4. Limiting protrusions 7 are arranged at intervals along the left and right sides on the front and rear sides of the locking ring 6, and a limiting groove 8 is formed between two adjacent limiting protrusions 7. A limiting block 9 is provided in one of the limiting grooves 8, and the limiting block 9 is connected to the second clamping plate 4.
[0018] Furthermore, the limiting protrusion 7 extends at an angle away from the locking ring 6; the limiting protrusion 7 extends at an angle away from the limiting lever 9.
[0019] Furthermore, the spacing between two adjacent limiting protrusions 7 on the same side is equal.
[0020] Furthermore, the limiting blocks 9 are arranged symmetrically on the second clamping plate 4.
[0021] In this embodiment, firstly, the limiting block 9 on the second clamping plate 4 is not embedded in the limiting groove 8. At this time, the clamping peaks 5 on the first clamping plate 3 and the second clamping plate 4 only abut against the wall of the infusion tube 100, and medication can still be delivered within the infusion tube 100. When the medication has been delivered into the infusion tube 100, the bottom ends of the first clamping plate 3 and the second clamping plate 4 can be squeezed with two fingers until the second clamping plate 4 moves towards the first clamping plate 3, causing the two clamping peaks 5 to come together until the clamping peaks 5 completely flatten and block the infusion tube 100. At this time, the limiting block 9 pushes away the inclined extending limiting protrusion 7 and moves into the leftmost limiting groove 8, restricting the second clamping plate 4 from resetting.
[0022] Example 2
[0023] See also Figures 1 to 3 As shown, the anti-backflow infusion device involved in this embodiment is further configured, based on embodiment 1, with the first clamping plate 3 having a hook 10 to restrict the falling of the locking ring 6.
[0024] In this embodiment, the hook 10 is used to fix the locking ring 6 and prevent it from falling off the first clamping plate 3 and the second clamping plate 4.
[0025] Example 3
[0026] See also Figures 1 to 3 As shown, the anti-backflow infusion device involved in this embodiment is further configured, based on embodiment 1, with the bottom of the first clamping plate 3 and the second clamping plate 4 both having outwardly extending winglets 11.
[0027] In this embodiment, the wing 11 is designed to facilitate handholding and drive the second clamping plate 4 to move towards the first clamping plate 3.
[0028] The anti-backflow infusion set involved in this utility model closes the first and second clamps, causing the two clamp peaks to close and flatten the infusion tube passing between them, thus blocking it and achieving the effect of preventing backflow. It is safe to use, has complete overall functions, and is highly practical.
[0029] Unless otherwise specified, in this utility model, terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the actual orientation or positional relationship shown. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe orientation or positional relationships in this utility model are for illustrative purposes only and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood in conjunction with the embodiments and according to the specific circumstances.
[0030] Unless otherwise expressly specified and limited, the terms "set up," "connected," and "linked" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0031] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art based on the concepts of the present invention through logical analysis, reasoning, or limited experimentation based on the existing technology should be within the scope of protection defined by the claims.
Claims
1. An anti-backflow infusion set, comprising an infusion tubing, wherein an anti-backflow clamp is provided on the infusion tubing, characterized in that: The anti-backflow clamp includes a top plate with a hole for the infusion tube to pass through. A first clamp is provided on the left side of the top plate and a second clamp is provided on the right side. Both the first and second clamps have a pointed tip that abuts against the infusion tube. The clamp also includes a locking ring fitted onto the first and second clamps. Limiting protrusions are arranged at intervals along the left and right sides on the front and rear sides of the locking ring. A limiting groove is formed between two adjacent limiting protrusions. A limiting block is provided in one of the limiting grooves and the limiting block is connected to the second clamp.
2. The anti-backflow infusion set according to claim 1, characterized in that: The first clamp is equipped with a hook to prevent the locking ring from falling.
3. The anti-backflow infusion set according to claim 1 or 2, characterized in that: Both the first and second clamping plates have outwardly extending fins at their bottoms.
4. The anti-backflow infusion set according to claim 3, characterized in that: The limiting protrusion extends at an angle away from the locking ring; the limiting protrusion extends at an angle away from the limiting block.
5. The anti-backflow infusion set according to claim 1, characterized in that: The spacing between two adjacent limiting protrusions on the same side is equal.
6. The anti-backflow infusion set according to claim 1, characterized in that: The limiting blocks are arranged symmetrically on the second clamping plate.