A fixed protective structure for an indwelling needle
Through the combined design of the protective fixing component and the connection limit component, the problems of unstable fixation of the indwelling needle and accidental collision at night are solved, the stable protection of the indwelling needle and the night warning function are achieved, and the safety and convenience of infusion are improved.
Patent Information
- Application Number
- CN202310939290.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-28
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2043-07-28
AI Technical Summary
The fixing structure of the existing indwelling needle is not stable enough and can easily change its position due to accidental touch, affecting the infusion operation. It also lacks night warning and time viewing functions.
It adopts a combination design of protective fixing components, connection limiting components and auxiliary components, including a shell cover, connecting hinge, magnet, iron sheet, protective pad, Velcro, electronic watch and prompt light, etc. It is fixed by magnetic adsorption and Velcro, combined with prompt function and ventilation design to ensure that the position of the indwelling needle is stable and visible at night.
It achieves stable protection of the indwelling needle position, avoids accidental contact and falling, provides night warning and time viewing, and improves the safety and convenience of infusion.
Smart Images

Figure CN116832264B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical auxiliary devices, in particular to a fixing and protective structure for an indwelling needle. Background Art
[0002] With the update of infusion concepts, the frequency of using intravenous catheters in clinical practice is increasing. The use of intravenous catheters can reduce the pain caused by repeated intravenous puncture and the fear of injections in patients, reduce the patient's anxiety, facilitate clinical medication, and reduce the workload of nurses for emergency and critical patients, and reduce patient pain. Therefore, intravenous catheters are widely used in clinical practice. When using intravenous catheters, in order to avoid the position change of the intravenous needle due to accidental touch, a fixed protective structure needs to be installed above the intravenous needle to protect the intravenous needle.
[0003] CN201921380472.9 discloses a protective device for an indwelling needle, including a protective cover, which is an arc-shaped protective cover, with relatively connectable fixing belts fixed on opposite sides of the protective cover, an elastic gasket is provided at the opening of the protective cover, and the upper part of the protective cover is an openable structure. This is to solve the problem that the existing indwelling needles do not have corresponding protective measures. The present invention belongs to the field of medical devices; however, in this application document, the indwelling needle connecting belt is connected by Velcro, which is not firmly fixed. When the protective cover is opened, the upper protective cover cannot be fixed on the lower protective cover, so that when medical staff perform infusion through the indwelling needle, the position of the protective cover cannot be fixed and may be accidentally buckled, causing unnecessary trouble to the medical staff. Summary of the Invention
[0004] In order to solve the above technical problems, the present invention discloses another indwelling needle fixing and protection structure to avoid accidental contact with the indwelling needle and facilitate infusion.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fixing and protective structure for an indwelling needle, comprising a connecting belt and a protective fixing structure, wherein the connecting belt is mounted on the protective fixing structure, and wherein the protective fixing structure comprises a protective fixing component, a connecting and limiting component, and an auxiliary component;
[0006] The protective fixing assembly includes a shell cover, a connecting hinge, a protective shell, a magnet, an iron sheet and a protective pad;
[0007] The protective shell is a shell with a side opening and an end opening. The connecting belt is installed on the left and right sides of the protective shell. The shell cover is installed on the opening of the end face of the protective shell through a connecting hinge. The connecting hinge is located on the top surface. The iron sheet is installed on the top surface of the protective shell. The magnet is installed on the shell cover. The magnet can be attached to the protective shell. The protective pad is installed on the side wall inside the protective shell.
[0008] In the above solution, a ventilation protective cover is provided on the shell cover.
[0009] In the above solution, the connection and limiting components include a fleece-surface Velcro, a hook-surface Velcro, a male snap button and a female snap button;
[0010] The fleece-surface Velcro is installed on the inner side of the left connecting belt of the protective shell, the hook-surface Velcro is installed on the outer side of the right connecting belt of the protective shell, the sub-snap button is installed on the outer side of the right connecting belt of the protective shell close to the end position, and the female snap button is installed on the inner side of the left connecting belt of the protective shell close to the protective shell.
[0011] In the above solution, cotton protective pads are provided on the shell cover and the bottom side of the protective shell.
[0012] In the above solution, the auxiliary components include an electronic watch, a warning light, a battery and a control switch;
[0013] The electronic watch is installed on the protective shell, the prompt light is installed on the protective shell, the battery is installed in the protective shell, and the control switch is installed on the protective shell.
[0014] The indwelling needle fixing and protection structure of the present invention has the following beneficial effects:
[0015] 1. The protective fixing component can cover and protect the upper part of the indwelling needle on the patient through the protective shell, thereby protecting the position of the indwelling needle and avoiding accidental contact with the indwelling needle. At the same time, the protective shell can be flipped and fixed to ensure that the protective shell is open. When medical staff perform infusion through the indwelling needle, the indwelling needle will not fall off due to accidents.
[0016] 2. The connection limit assembly can ensure the stability of the connection position and prevent the connection belt from opening accidentally.
[0017] 3. Through the coordination between the various parts of the auxiliary components, the protective shell not only plays a protective role, but also serves as a warning function to prevent accidental contact with the patient's indwelling needle in the dark environment at night. It is safer and more reliable, and can also be used to tell time. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional main structure of the present invention.
[0019] Figure 2 It is a schematic diagram of the three-dimensional side structure of the present invention.
[0020] Figure 3 A 3D view in another direction.
[0021] Figure 4 It is the lower side view.
[0022] In the figure: 1. Connecting belt; 2. Shell cover; 3. Connecting hinge; 4. Protective shell; 5. Magnet; 6. Iron sheet; 7. Protective pad; 8. Velcro; 9. Hook-surface Velcro; 10. Male snap button; 11. Female snap button; 12. Cotton protective pad; 13. Electronic watch; 14. Warning light; 15. Battery; 16. Control switch; 17. Positioning frame; 18. Handle; 20. First magnet; 21. Second magnet; 22. Fixed plate; 23. Positioning shaft; 24. Rotating plate. DETAILED DESCRIPTION
[0023] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.
[0024] Example:
[0025] Please see the attached Figure 1-4 A fixed protective structure for an indwelling needle includes a connecting belt 1 and a protective fixing structure. The connecting belt 1 is installed on the protective fixing structure. The protective fixing structure includes a protective fixing component, a connection limiting component and an auxiliary component.
[0026] The protective fixing assembly includes a shell cover 2, a connecting hinge seat 3, a protective shell 4, a magnet 5, an iron sheet 6 and a protective pad 7.
[0027] The protective shell 4 is a shell with side openings and one end opening. Connecting straps 1 are installed on the left and right sides of the protective shell 4. The shell cover 2 is mounted on the end opening of the protective shell 4 via a connecting hinge 3. The connecting hinge 3 is located on the top surface. An iron sheet 6 is mounted on the top surface of the protective shell 4. A magnet 5 is mounted on the shell cover 2 and can adhere to the protective shell 4. A protective pad 7 is installed on the side wall of the protective shell 4. The shell cover 2 is equipped with a ventilation shield. Cotton protective pads 12 are installed on the bottom of the shell cover 2 and the protective shell 4.
[0028] The connection and limiting components include a fleece-surface Velcro 8, a hook-surface Velcro 9, a male snap button 10, and a female snap button 11.
[0029] The fleece-surfaced Velcro 8 is installed on the inner side of the left connecting belt 1 of the protective shell 4, the hook-surfaced Velcro 9 is installed on the outer side of the right connecting belt 1 of the protective shell 4, the sub-snap button 10 is installed on the outer side of the right connecting belt 1 of the protective shell 4 near the end position, and the female snap button 11 is installed on the inner side of the left connecting belt 1 of the protective shell 4 near the protective shell 4.
[0030] The auxiliary components include an electronic watch 13 , a warning light 14 , a battery 15 and a control switch 16 .
[0031] The electronic watch 13 is mounted on the protective shell 4 , the warning light 14 is mounted on the protective shell 4 , the battery 15 is mounted in the protective shell 4 , and the control switch 16 is mounted on the protective shell 4 .
[0032] After the patient uses the indwelling needle, in order to avoid accidental contact with the indwelling needle and causing skin injury to the patient, and to prevent the indwelling needle from falling off, a protective fixing structure is buckled on the outside of the indwelling needle. The protective fixing structure is wrapped around the patient through a connecting belt 1. The connecting belt 1 is an elastic belt, which is convenient for wrapping around the patient. The protective fixing structure includes a protective fixing component, a connecting limiting component and an auxiliary component. Through the cooperation between the various components of the protective fixing component, the upper part of the indwelling needle on the patient can be shielded and protected by a protective shell to protect the position of the indwelling needle and avoid accidental contact with the indwelling needle. At the same time, the protective shell can be flipped and fixed to ensure that the protective shell is open. When medical staff perform infusion through the indwelling needle, the indwelling needle will not fall off accidentally. Through the cooperation between the various components of the connecting limiting component, the connection position can be guaranteed to be stable and the connecting belt 1 can be prevented from opening accidentally. Through the cooperation between the various components of the auxiliary component, the protective shell can not only play a protective role, but also serve as a warning function to avoid accidental contact with the indwelling needle on the patient in dark environments at night. It is safer and more reliable, and can also be used to watch time.
[0033] A protective shell 4 is installed above the indwelling needle, and a protective pad 7 is installed inside the protective shell 4. The protective pad 7 can reduce the position between the indwelling needle and the protective shell 4 to ensure that the position of the indwelling needle is stable. In order to facilitate medical staff to perform infusion through the indwelling needle, a protective shell 4 is set at one end of the protective shell 4, and the shell cover 2 is installed on the protective shell 4 through the connecting hinge 3. When the patient needs to be infused, the shell cover 2 is pulled, and the shell cover 2 is flipped over by the connecting hinge 3 to expose the internal indwelling needle. To prevent the shell cover 2 from accidentally falling and snapping together, after the shell cover 2 is flipped, the magnet 5 on the shell cover 2 contacts the iron sheet 6 on the protective shell 4 and is attracted together by magnetic force. The cooperation between the iron sheet 6 and the magnet 5 fixes the position of the shell cover 2 to ensure the smooth progress of the infusion process.
[0034] In order to ensure the stable connection of the connecting belt 1 and prevent the connecting belt 1 from opening and falling due to a loose connection, a fleece-surface Velcro 8 and a female snap button 11 are provided on the inner wall of the connecting belt 1 on the left side of the protective shell 4, and a sub-snap button 10 and a hook-surface Velcro 9 are installed on the outer side of the connecting belt 1 on the right side of the protective shell 4. The initial fixation is first performed by the cooperation of the letter snap button 11, and then the fleece-surface Velcro 8 and the hook-surface Velcro 9 are cooperated to achieve re-fixation to ensure the stable connection of the connecting belt 1 and prevent the connecting belt 1 from opening accidentally.
[0035] In order to avoid accidentally touching the indwelling needle at night, a warning light 14 is installed on the protective shell. When night comes, press the switch, the battery 15 provides power to the warning light 14, and the warning light 14 illuminates to provide a prompt, avoiding accidentally touching the position of the indwelling needle. The electronic watch 13 set on the protective shell 4 can be used to check the time at any time, which is convenient for having an accurate understanding of the time.
[0036] A ventilation protective cover is provided on the shell cover 2, which can ensure the circulation of air inside the protective shell, reduce the patient's sweating, and avoid inflammation at the needle hole. Cotton protective pads 12 are provided at the bottom of the shell cover 2 and the protective shell 4. The cotton protective pads 12 can prevent the shell cover 2 and the protective shell 4 from causing indentations on the patient's skin. An installation groove is provided on the protective shell 4, and the battery 15 is installed in the installation groove.
[0037] In order to prevent the housing cover 2 from being opened by mistake, an opening and closing assembly is further included. The opening and closing assembly includes a positioning frame 17 , a movable plate body, a handle 18 , a slider, a first magnet 20 and a second magnet 21 .
[0038] The positioning frame 17 is L-shaped as a whole, and its vertical part is installed on one side of the protective shell 4 close to the shell cover, and its horizontal part is located in front of the lower side of the shell cover. A slide rail is provided on the extension part, and the movable plate body is slidably installed on the slide rail of the positioning frame 17 through a slider, and the handle 18 is installed on the movable plate body. The first magnet 20 is installed on the inner wall surface of the vertical part of the positioning frame 17, and the second magnet 21 is installed on the movable plate body and is installed corresponding to the position of the first magnet 20.
[0039] To prevent the shell cover 2 from opening accidentally during normal operation, the shell cover 2 is intercepted by a movable plate body installed on the positioning frame 17. When the indwelling needle in the protective shell 4 needs to be used, the handle 18 is pulled, and the second magnet 21 on the movable plate body moves away from the first magnet 20 on the positioning frame 17. When the slider moves to the edge of the positioning frame 17, the slider acts as a limiter to prevent the movable plate body from falling off the positioning frame 17 after excessive movement. The shell cover 2 can be opened at this time through the magnetic attraction between the first magnet 20 and the second magnet 21. Connect the infusion tube. After the infusion is completed, close it.
[0040] The movable plate body includes a fixed plate 22, a positioning shaft 23 and a rotating plate 24;
[0041] The lower end of the fixed plate 22 is connected to the slider, and the upper and lower ends of the fixed plate 22 extend outward. The rotating plate 24 is rotatably mounted on the extended portions of the upper and lower ends of the fixed plate 22 through the positioning shaft 23 .
[0042] The movable plate body is composed of a fixed plate 22, a positioning shaft 23 and a rotating plate 24. The slider is installed at the position of the fixed plate 22. Through the cooperation of the positioning shaft 23 and the rotating plate 24, when the fixed plate 22 moves from the positioning frame 17 to the right end limit position, in order to avoid occupying a large space and accidentally hitting the plate body, causing the retained needle to be broken.
[0043] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A fixing and protective structure for an indwelling needle, comprising a connecting belt and a protective fixing structure, wherein the connecting belt is mounted on the protective fixing structure, and wherein: The protective fixing structure includes a protective fixing component, a connection limiting component and an auxiliary component; The protective fixing assembly includes a shell cover, a connecting hinge, a protective shell, a magnet, an iron sheet and a protective pad; The protective shell is a shell with side openings and one end opening, the connecting belt is installed on the left and right sides of the protective shell, the shell cover is installed on the opening of the end face of the protective shell through a connecting hinge, the connecting hinge is located on the top surface, the iron sheet is installed on the top surface of the protective shell, the magnet is installed on the shell cover, the magnet can be adhered to the protective shell, and the protective pad is installed on the side wall inside the protective shell; The invention also includes an opening and closing assembly, which includes a positioning frame, a movable plate body, a handle, a slider, a first magnet and a second magnet; The positioning frame is L-shaped as a whole, with its vertical part installed on one side of the protective shell close to the shell cover, and its horizontal part is located in front of the lower side of the shell cover. A slide rail is provided on the extension part, and the movable plate body is slidably installed on the slide rail of the positioning frame through a slider, and the handle is installed on the movable plate body. The first magnet is installed on the inner wall surface of the vertical part of the positioning frame, and the second magnet is installed on the movable plate body and installed corresponding to the position of the first magnet.
2. The indwelling needle fixing and protection structure according to claim 1, characterized in that: A ventilation protective cover is provided on the shell cover.
3. The indwelling needle fixing and protection structure according to claim 1, characterized in that: The connection and limiting components include a fleece-surface Velcro, a hook-surface Velcro, a male snap button, and a female snap button; The fleece-surface Velcro is installed on the inner side of the left connecting belt of the protective shell, the hook-surface Velcro is installed on the outer side of the right connecting belt of the protective shell, the sub-snap button is installed on the outer side of the right connecting belt of the protective shell close to the end position, and the female snap button is installed on the inner side of the left connecting belt of the protective shell close to the protective shell.
4. The indwelling needle fixing and protection structure according to claim 1, characterized in that: The shell cover and the bottom side of the protective shell are both provided with cotton protective pads.
5. The indwelling needle fixing and protection structure according to claim 1, characterized in that: The auxiliary components include an electronic watch, a warning light, a battery and a control switch; The electronic watch is installed on the protective shell, the prompt light is installed on the protective shell, the battery is installed in the protective shell, and the control switch is installed on the protective shell.
Citation Information
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Protection structure of indwelling needle
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