Fixing device for protective internal jugular vein catheter
By designing a protective internal jugular venous catheter fixing device, the problem of difficulty in squeezing and adjustment of the catheter after installation is solved, the stability and safety of the catheter are improved, and the adjustment process of catheter spacing is simplified.
Patent Information
- Application Number
- CN202421051914.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing internal jugular venous catheter is susceptible to compression after installation and is inconvenient to adjust the distance between catheters, making it difficult for doctors to accurately distinguish the position of the catheter and make mistakes prone.
A protective internal jugular venous catheter fixing device is designed, including a protective block and a sliding block. Through the cooperation of the knob and the screw, the catheter is easily adjusted and fixed, and the squeezing is avoided.
It effectively improves the stability and safety of the catheter, avoids the catheter being easily squeezed due to no protection after installation, simplifies the adjustment process of catheter spacing, and reduces operating errors of medical staff.
Smart Images

Figure CN222723445U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of internal jugular vein catheters, in particular to a fixing device for a protective internal jugular vein catheter. Background Art
[0002] Internal jugular vein catheterization is a deep venous catheterization procedure. Its main functions include quickly opening large vein channels to facilitate emergency rescue treatments such as infusion and blood transfusion, monitoring central venous pressure, guiding the amount of fluid replacement, protecting peripheral blood vessels, preventing extravasation of chemotherapy drugs causing skin necrosis (especially during chemotherapy for cancer patients), and serving as a channel for venography or transvenous interventional treatments, such as hemodialysis, plasma exchange, and placement of venous stents.
[0003] The prior art has the following deficiencies: the existing internal jugular vein catheter is easily squeezed after installation, making the patient's safety unstable; the existing internal jugular vein catheter is not convenient for adjusting the distance between the two catheters, making it difficult for doctors to distinguish the two internal jugular vein catheters, which is prone to errors. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and provides a protective internal jugular vein catheter fixing device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a protective internal jugular vein catheter fixing device, comprising a protective block 1 and a protective block 2, the protective block 1 being provided with a slide groove 1, the slide groove 1 being slidably connected with a sliding block 1, the sliding block 1 being arranged in the slide groove 1 and having a screw rod threadedly connected on one side, one side of the screw rod passing through the protective block 1 and fixedly connected with a knob, the sliding block 1 being provided with a square groove, the square groove being fixedly connected with a spring, the side of the spring away from the square groove being fixedly connected with a connecting block, the side of the connecting block away from the spring being fixedly connected with a clamping block 1, the clamping block 1 being provided with a limiting groove 1, the limiting groove 1 being slidably connected with a limiting block 2, one side of the limiting block 2 being fixedly connected with a clamping block 2, the protective block 2 being provided with a slide groove 2, the slide groove 2 being slidably connected with the sliding block 2, and the slide groove 2 being fixedly connected with a connecting column.
[0006] As a further description of the above technical solution:
[0007] The second sliding block is slidably connected to the connecting column, and one side of the second clamping block is fixedly connected to the second sliding block.
[0008] As a further description of the above technical solution:
[0009] The sliding block 1, the square groove, the spring, the connecting block, the clamping block 1 and the limiting groove 1 are all provided in two groups and are symmetrically divided; the sliding block 2, the clamping block 2 and the limiting block 2 are all provided in two groups and are symmetrically divided.
[0010] As a further description of the above technical solution:
[0011] The inner side of the clamping block 1 is provided with an arc-shaped groove 1, the inner side of the clamping block 2 is provided with an arc-shaped groove 2, and a catheter is attached between the arc-shaped groove 1 and the arc-shaped groove 2.
[0012] As a further description of the above technical solution:
[0013] Both sides of the protective block 1 are hingedly connected to the limiting block 1, and a pull ring is fixedly connected to the limiting block 1. The limiting block 1 and the pull ring are both provided with two groups and are symmetrically divided.
[0014] As a further description of the above technical solution:
[0015] Both sides of the second protective block are fixedly connected with fixed blocks, and the fixed blocks are provided with three limiting grooves. The fixed blocks and the three limiting grooves are both provided with two groups and are symmetrically divided.
[0016] As a further description of the above technical solution:
[0017] The side of the limiting block 1 away from the protective block 1 is fitted and connected in the limiting groove 3.
[0018] As a further description of the above technical solution:
[0019] A medical adhesive tape is fixedly connected to one side of the second protective block, and a protective patch is bonded and connected to the medical adhesive tape. The medical adhesive tape and the protective patch are both provided with two groups and are symmetrically divided.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, by pulling the pull ring, the pull ring rotates with the limit block 1 and is placed in the limit groove 3 on the fixed block, so that the protection block 1 is connected with the protection block 2, the protective sticker is torn off, and the medical tape is attached to the patient's body for fixing, so that the catheter can be protected during installation, avoiding the catheter being easily squeezed without protection after installation, and the stability of the catheter can be effectively improved after installation, thereby making the patient safer.
[0022] 2. In the utility model, by turning the knob, the clamping block 2 and the clamping block 1 move with the arc groove 1 and the arc groove 2, and the arc groove 1 and the arc groove 2 move with the catheter in the middle, so that the catheter can be more conveniently adjusted during installation, avoiding misreading due to the inconvenience of adjusting the catheter, making the catheter better distinguishable, making it more convenient for medical staff to add medicine, and effectively improving the convenience of catheter adjustment. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A three-dimensional structure diagram of a protective internal jugular vein catheter fixing device proposed by the utility model Figure 1 ;
[0024] Figure 2 A three-dimensional structure diagram of a protective internal jugular vein catheter fixing device proposed by the utility model Figure 2 ;
[0025] Figure 3 This is a schematic cross-sectional structure diagram of a protective internal jugular vein catheter fixing device proposed by the utility model;
[0026] Figure 4 A schematic diagram of the partial structure of a protective internal jugular vein catheter fixing device proposed by the utility model Figure 1 ;
[0027] Figure 5 A schematic diagram of the partial structure of a protective internal jugular vein catheter fixing device proposed by the utility model Figure 2 .
[0028] Legend:
[0029] 1. Protective block 1; 2. Limit block 1; 3. Pull ring; 4. Slide groove 1; 5. Sliding block 1; 6. Screw rod; 7. Knob; 8. Square groove; 9. Arc groove 1; 10. Spring; 11. Connecting block; 12. Clamping block 1; 13. Limit groove 1; 14. Protective block 2; 15. Fixed block; 16. Slide groove 2; 17. Sliding block 2; 18. Connecting column; 19. Clamping block 2; 20. Limit block 2; 21. Medical tape; 22. Protective patch; 23. Catheter; 24. Arc groove 2; 25. Limit groove 3. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] Reference Figure 1-Figure 5 The utility model provides an embodiment: a protective internal jugular vein catheter fixing device, a protective block 1, a protective block 2 14, a slide groove 4 is provided in the protective block 1, a sliding block 5 is slidably connected in the slide groove 4, a side of the sliding block 5 arranged in the slide groove 4 is threadedly connected with a screw rod 6, one side of the screw rod 6 passes through the protective block 1 and is fixedly connected with a knob 7, a square groove 8 is provided in the sliding block 5, a spring 10 is fixedly connected in the square groove 8, and a side of the spring 10 away from the square groove 8 is fixedly connected with a connecting rod The connecting block 11 is fixedly connected with a clamping block 12 on one side of the connecting block 11 away from the spring 10, and a limiting groove 13 is provided in the clamping block 12, and a limiting block 20 is slidably connected in the limiting groove 13, and a clamping block 2 19 is fixedly connected to one side of the limiting block 20, and a sliding groove 2 16 is provided in the protective block 2 14, and a sliding block 2 17 is slidably connected in the sliding groove 2 16, and a connecting column 18 is fixedly connected in the sliding groove 2 16, and the sliding block 2 17 is slidably connected to the connecting column 18, and one side of the clamping block 2 19 is fixedly connected On the sliding block 17, the sliding block 15, the square groove 8, the spring 10, the connecting block 11, the clamping block 12, and the limiting groove 13 are all provided with two groups and are symmetrically divided. The sliding block 17, the clamping block 19, and the limiting block 20 are all provided with two groups and are symmetrically divided. By turning the knob 7, the knob 7 rotates with the screw rod 6, and the screw rod 6 rotates to make the sliding block 15 move along the screw rod 6 through the limit of the sliding groove 14, and the sliding block 15 moves with the spring 10 and the connecting block 11, and the connecting block 11 moves with the clamping block 1 12, the limit block 20, the clamping block 2 19, and the sliding block 2 17 move along the connecting column 18, and the clamping block 2 19 and the clamping block 12 move with the arc groove 1 9 and the arc groove 2 24, and the arc groove 1 9 and the arc groove 2 24 move with the middle catheter 23, so that the catheter 23 can be more conveniently adjusted during installation, avoiding misreading due to the inconvenience of adjusting the catheter 23, making the catheter 23 better distinguishable, making it more convenient for medical staff to add medicine, and effectively improving the convenience of adjusting the catheter 23.
[0032] An arc groove 19 is provided on the inner side of the clamping block 12, and an arc groove 24 is provided on the inner side of the clamping block 2. A catheter 23 is fitted between the arc groove 19 and the arc groove 24. Both sides of the protective block 1 are hingedly connected to the limiting block 2, and the limiting block 2 is fixedly connected with a pull ring 3. The limiting block 2 and the pull ring 3 are provided with two groups and are symmetrically divided. Both sides of the protective block 2 14 are fixedly connected to the fixing block 15, and the fixing block 15 is provided with a limiting groove 3 25. The fixing block 15 and the limiting groove 3 25 are provided with two groups and are symmetrically divided. The side of the limiting block 2 away from the protective block 1 is fitted and connected in the limiting groove 3 25. A medical tape 21 is fixedly connected to one side of the protective block 2 14, and a protective patch 22 is attached to the medical tape 21. The medical tape 21 and the protective patch 22 are provided with two groups and are symmetrically divided. The catheter 23 is placed in the arc groove 9. Push the clamping block 19 into the limiting groove 13 through the limiting block 20 for clamping, so that the catheter 23 is in the middle of the arc groove 9 and the arc groove 24, and connect the protection block 1 with the protection block 2 14. Pull the pull ring 3, and the pull ring 3 rotates with the limiting block 2 and is placed in the limiting groove 3 25 on the fixing block 15, so that the protection block 1 and the protection block 2 14 are connected together, tear off the protective sticker 22, and stick the medical tape 21 on the patient's body for fixing, so that the catheter 23 can be protected during installation, and the catheter 23 is prevented from being easily squeezed without protection after installation, so that the catheter 23 can effectively improve the stability after installation, thereby making the patient safer. When the catheter 23 presses the arc groove 9 and the clamping block 12, the clamping block 12 squeezes the spring 10 with the connecting block 11, so that the catheter 23 can be buffered by the spring 10.
[0033] Working principle: first, put the catheter 23 in the arc groove 9, push the clamping block 19 into the limiting groove 13 through the limiting block 20 for clamping, so that the catheter 23 is in the middle of the arc groove 9 and the arc groove 24, dock the protection block 1 and the protection block 2 14 together, pull the pull ring 3, the pull ring 3 with the limiting block 2 is rotated and placed in the limiting groove 3 25 on the fixing block 15, so that the protection block 1 and the protection block 2 14 are connected together, tear off the protective sticker 22, and stick the medical tape 21 on the patient's body for fixing, so that the catheter 23 can be protected during installation, and avoid the catheter 23 being easily squeezed without protection after installation, so that the catheter 23 can effectively improve the stability after installation, so as to make the patient safer. When the catheter 23 presses the arc groove 9 and the clamping block 12, the clamping block 12 squeezes the spring 10 with the connecting block 11 The guide tube 23 is pressed so that it can be buffered by the spring 10 to avoid the guide tube 23 being directly pressed and increasing the danger. The knob 7 is turned, and the knob 7 is rotated to rotate the screw rod 6. The screw rod 6 rotates to make the sliding block 15 move along the screw rod 6 through the limit of the slide groove 14. The sliding block 15 moves along the spring 10 and the connecting block 11. The connecting block 11 moves along the clamping block 12, the limit block 20, the clamping block 219, and the sliding block 217 along the connecting column 18. The clamping block 219 and the clamping block 12 move with the arc groove 19 and the arc groove 24. The arc groove 19 and the arc groove 24 move with the guide tube 23 in the middle, so that the guide tube 23 can be more convenient to adjust the spacing during installation, avoid easy misreading due to the inconvenience of adjusting the guide tube 23, make the guide tube 23 better distinguishable, make it more convenient for medical staff to add medicine, and effectively improve the convenience of adjusting the guide tube 23.
[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A protective internal jugular vein catheter fixing device, comprising a protective block 1 (1) and a protective block 2 (14), characterized in that: The protection block (1) is provided with a slide groove (4), and a slide block (5) is slidably connected in the slide groove (4). One side of the slide block (5) arranged in the slide groove (4) is threadedly connected with a screw rod (6), one side of the screw rod (6) passes through the protection block (1) and is fixedly connected with a knob (7). The slide block (5) is provided with a square groove (8), and a spring (10) is fixedly connected in the square groove (8). The side of the spring (10) away from the square groove (8) is fixedly connected with a connecting block (11). A clamping block 1 (12) is fixedly connected to the side of the connecting block (11) away from the spring (10), a limiting groove 1 (13) is provided in the clamping block 1 (12), a limiting block 2 (20) is slidably connected in the limiting groove 1 (13), a clamping block 2 (19) is fixedly connected to one side of the limiting block 2 (20), a sliding groove 2 (16) is provided in the protecting block 2 (14), a sliding block 2 (17) is slidably connected in the sliding groove 2 (16), and a connecting column (18) is fixedly connected in the sliding groove 2 (16).
2. A protective internal jugular vein catheter fixing device according to claim 1, characterized in that: The second sliding block (17) is slidably connected to the connecting column (18), and one side of the second clamping block (19) is fixedly connected to the second sliding block (17).
3. A protective internal jugular vein catheter fixing device according to claim 1, characterized in that: The sliding block 1 (5), the square groove (8), the spring (10), the connecting block (11), the clamping block 1 (12), and the limiting groove 1 (13) are all provided in two groups and are symmetrically divided; the sliding block 2 (17), the clamping block 2 (19), and the limiting block 2 (20) are all provided in two groups and are symmetrically divided.
4. A protective internal jugular vein catheter fixing device according to claim 1, characterized in that: The inner side of the clamping block 1 (12) is provided with an arc-shaped groove 1 (9), the inner side of the clamping block 2 (19) is provided with an arc-shaped groove 2 (24), and a catheter (23) is fitted between the arc-shaped groove 1 (9) and the arc-shaped groove 2 (24).
5. A protective internal jugular vein catheter fixing device according to claim 1, characterized in that: Both sides of the protection block 1 (1) are hingedly connected to the limit block 1 (2), and the limit block 1 (2) is fixedly connected with a pull ring (3). The limit block 1 (2) and the pull ring (3) are both provided with two groups and are symmetrically divided.
6. A protective internal jugular vein catheter fixing device according to claim 1, characterized in that: Both sides of the second protective block (14) are fixedly connected with fixed blocks (15), and the fixed block (15) is provided with a third limiting groove (25). The fixed block (15) and the third limiting groove (25) are both provided with two groups and are symmetrically divided.
7. A protective internal jugular vein catheter fixing device according to claim 5, characterized in that: The side of the limiting block 1 (2) away from the protective block 1 (1) is fitted and connected in the limiting groove 3 (25).
8. A protective internal jugular vein catheter fixing device according to claim 1, characterized in that: A medical adhesive tape (21) is fixedly connected to one side of the second protective block (14), and a protective patch (22) is bonded and connected to the medical adhesive tape (21). The medical adhesive tape (21) and the protective patch (22) are both provided in two groups and are symmetrically divided.