Infusion port conduit fixing device
By designing a catheter fixing device for infusion ports with a counterweight base, casters, anti-movement structure, and adjustable clamp, the problems of inconvenience and instability of existing devices are solved, achieving convenient movement and stable fixation, and adapting to the needs of different numbers of catheters.
Patent Information
- Application Number
- CN202520330663.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing silicone catheter fixation devices for infusion ports are supported by two telescopic shells at the lower end of the device. While this provides some support, it is inconvenient for repeated use, easily tilted or moved by external forces, affecting the fixation effect, and cannot fix different numbers of catheters according to the user's needs.
A port-of-care catheter fixing device was designed, including a counterweight base, casters, an anti-movement structure, a support column, a lifting screw, and an adjustable tube clamp seat. The casters facilitate movement, the anti-movement structure prevents tipping, and the tube clamp seat is height-adjustable and connectable to achieve stable fixing.
It enables convenient movement and stable fixation of the device, and can fix different numbers of catheters according to usage needs, improving the flexibility and stability of use.
Smart Images

Figure CN223731862U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of medical device technology, and in particular relates to a device for fixing infusion port catheters. Background Technology
[0002] A port-a-cath, also known as a fully implantable intravenous drug delivery device or venous infusion port, is a long-term central venous infusion system. The port-a-cath mainly consists of an injection port (also known as the port body), a catheter, and a connector. The entire system is placed under the skin and does not affect the patient's normal life and work.
[0003] A search revealed a silicone catheter fixation device for chemotherapy infusion ports, publication number CN215386504U. This device includes a base plate; a telescopic assembly, the bottom of which is fixedly connected to the top of the base plate; and two fixing components, the bottoms of which are fixedly connected to the top of the telescopic assembly. This device effectively fixes the silicone tube by using a first fixing block and a second fixing block in the fixing components, preventing the tubes from easily tangling during use and causing inconvenience to medical staff. When there are too many silicone tubes, the first and second fixing blocks can be connected by a first sliding block, a second sliding block, a third sliding block, a first grooved block, a second grooved block, and a fixing screw, thus addressing the issue of excessive silicone tubes.
[0004] The aforementioned silicone catheter fixing device for infusion ports has certain drawbacks in actual use. For example, although the device is supported by two telescopic shells at the bottom, it is not convenient for the device to be moved around. It is also easily tilted and moved by external forces, which affects the fixing of the catheter and is not conducive to use. Furthermore, it cannot fix different numbers of catheters according to the user's needs.
[0005] To address these issues, we have provided a port-of-care catheter fixation device. Utility Model Content
[0006] The purpose of this invention is to provide a catheter fixing device for infusion ports, which solves the problem that the existing silicone catheter fixing devices for infusion ports are supported by two telescopic shells at the lower end of the device. Although this can provide some support, it is inconvenient for the device to be used and can easily be tilted or moved by external forces, affecting the fixing of the catheter and making it unsuitable for use. Furthermore, it cannot fix different numbers of catheters according to the user's needs.
[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: a port-of-care catheter fixing device, including a counterweight base, universal wheels installed on both sides of the lower end of the counterweight base, an anti-movement structure provided at the lower end of the counterweight base, a support column fixedly installed at the upper end of the counterweight base, a lifting screw movably inserted at the upper end of the support column, an adjustment component provided between the lifting screw and the support column, an installation plate fixedly installed at the upper end of the lifting screw, a plurality of first tube clamp seats fixedly installed at the upper end of the installation plate, a second tube clamp seat detachably installed at the upper end of the first tube clamp seat, and a connecting structure provided between the first tube clamp seat and the second tube clamp seat.
[0008] The present invention is further designed such that the adjusting component includes a lifting screw sleeve, which is rotatably installed on the upper end of the support column. The inner diameter of the lifting screw sleeve is equal to the inner diameter of the upper end of the support column. Multiple anti-slip protrusions for rotation are evenly arranged on the outer side of the lifting screw sleeve. The lifting screw is movably inserted into the interior of the lifting screw sleeve and is spirally connected to the lifting screw sleeve.
[0009] In a further design, the support column has slide bars on both sides inside, and the lifting screw has grooves on both sides of its surface, with the slide bars and grooves slidably connected.
[0010] The present invention is further designed such that the anti-movement structure includes a groove, which is opened in the middle of the lower end of the counterweight base. A support plate is movably installed inside the groove. A compression spring is fixedly installed at the upper end of the support plate. Multiple anti-slip rubber blocks are evenly arranged at the lower end of the support plate.
[0011] In a further design, the support column has an internal movable groove, and both sides of the movable groove have adjustment grooves. The adjustment grooves are L-shaped, and the two adjustment grooves on the sides are opposite in shape. One end of the adjustment groove has a locking groove.
[0012] In a further design, an adjusting head is movably installed inside the movable groove. An adjusting rod is rotatably installed at the lower end of the adjusting head. The lower end of the adjusting rod is movably inserted into the groove and fixedly connected to the support plate. Adjusting blocks are fixedly installed on both sides of the adjusting head. An adjusting ring is installed at one end of the adjusting block through the adjusting groove. The adjusting ring is movably sleeved on the outside of the support column.
[0013] The present invention is further designed such that the connecting structure includes a connecting groove, which is opened on both sides of the upper end of the first pipe clamp seat and the second pipe clamp seat. Both sides of the lower end of the second pipe clamp seat are provided with connecting strips that cooperate with the connecting groove. One end of the connecting groove is movably inserted with a limiting protrusion, one end of the limiting protrusion is in contact with one end of the connecting strip, and the upper end of the limiting protrusion is inclined.
[0014] In a further design, an installation groove is provided on one side of the lower end of the connecting groove, the lower end of the limiting protrusion is movably inserted into the interior of the installation groove, a return spring is installed on the lower end of the limiting protrusion, a moving groove is provided on one side of the installation groove, a pull block connected to the limiting protrusion passes through the interior of the moving groove, and a connecting piece is provided between the two pull blocks located in the same second clamping tube seat.
[0015] This utility model has the following beneficial effects:
[0016] 1. In this utility model, the device can be moved to different positions by the universal wheels at the lower end of the counterweight base, making it convenient for users to move around according to their needs. When moved to the place of use, the user pulls the adjusting ring upward, and the adjusting ring drives the adjusting block to move upward. The adjusting block is pulled out from the slot and moved into the adjusting groove. The user rotates the adjusting ring, and the adjusting ring drives the adjusting block to move along the horizontal part of the adjusting groove. When the adjusting block moves to the vertical part of the adjusting groove, the adjusting block and the adjusting ring can move downward. The adjusting rod and the adjusting head move downward under the action of the compression spring, and the support plate moves downward and contacts the ground, which can prevent the device from moving and affecting the use effect.
[0017] 2. In this utility model, the user places the conduit on the upper end of the first pipe clamp seat, and the second pipe clamp seat cover is inserted from one side of the first pipe clamp seat. The connecting strip is inserted into the inside of the connecting groove. When the connecting strip contacts the limiting protrusion inside the connecting groove, the limiting protrusion is squeezed into the inside of the mounting groove, compressing the return spring, so that the limiting protrusion is completely retracted into the inside of the mounting groove. After the connecting strip is completely inserted into the inside of the connecting groove, the limiting protrusion pops out under the action of the return spring, so that one side of the limiting protrusion is in contact with one end of the connecting strip, so that the connecting strip is limited inside the connecting groove, which facilitates the connection between the first pipe clamp seat and the second pipe clamp seat, thereby facilitating the limiting and fixing of the conduit. At the same time, multiple second pipe clamp seats can be connected through the connecting structure, which is convenient for fixing multiple conduits as needed.
[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0021] Figure 2This is a side half-sectional view of the present invention;
[0022] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle;
[0023] Figure 4 This is a half-sectional side view of the connection between the first and second pipe clamps of this utility model.
[0024] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point B.
[0025] The attached diagram lists the components represented by each number as follows:
[0026] 1. Counterweight base; 2. Support column; 3. Casters; 4. Adjustment groove; 5. Slot; 6. Adjustment ring; 7. Adjustment block; 8. Lifting screw sleeve; 9. Mounting plate; 10. First pipe clamp seat; 11. Second pipe clamp seat; 12. Lifting screw; 13. Support plate; 14. Anti-slip rubber block; 15. Compression spring; 16. Adjustment rod; 17. Adjustment head; 18. Slide groove; 19. Slide bar; 20. Connecting groove; 21. Connecting bar; 22. Limiting protrusion; 23. Return spring; 24. Pull block; 25. Connecting piece. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0028] like Figures 1 to 3As shown, the infusion port catheter fixing device provided in this embodiment includes a counterweight base 1. Universal wheels 3 are rotatably mounted on both sides of the lower end of the counterweight base 1. An anti-movement structure is provided at the lower end of the counterweight base 1, including a groove. The groove is located in the middle of the lower end of the counterweight base 1. A support plate 13 is movably installed inside the groove. A compression spring 15 is fixedly installed at the upper end of the support plate 13. Multiple anti-slip rubber blocks 14 are evenly distributed at the lower end of the support plate 13. A movable groove is provided inside the support column 2, and the surface of the movable groove... Both sides of the adjustment groove 4 are L-shaped and opposite to each other. One end of the adjustment groove 4 is provided with a slot 5. An adjustment head 17 is movably installed inside the movable groove. An adjustment rod 16 is rotatably installed at the lower end of the adjustment head 17. The lower end of the adjustment rod 16 is movably inserted into the groove and fixedly connected to the support plate 13. An adjustment block 7 is fixedly installed on both sides of the adjustment head 17. An adjustment ring 6 is installed through the adjustment groove 4 at one end of the adjustment block 7. The adjustment ring 6 is movably sleeved on the outside of the support column 2.
[0029] In this embodiment, the device can be moved to different positions via the casters 3 at the lower end of the counterweight base 1, allowing users to easily move it around according to their needs. When moved to the desired location, the user pulls the adjusting ring 6 upwards, causing the adjusting ring 6 to move the adjusting block 7 upwards. The adjusting block 7 is then pulled out from inside the slot 5 and moved into the adjusting groove 4. The user rotates the adjusting ring 6, causing the adjusting ring 6 to move the adjusting block 7 along the horizontal portion of the adjusting groove 4. When the adjusting block 7 moves to the vertical portion of the adjusting groove 4, the adjusting block 7 and the adjusting ring 6 can move downwards. The adjusting rod 16 and the adjusting head 17 move downwards under the action of the compression spring 15, and the support plate 13 moves downwards to contact the ground, preventing the device from moving and affecting its performance.
[0030] like Figure 1 and Figure 2 As shown, the infusion port catheter fixing device provided in this embodiment has a support column 2 fixedly installed on the upper end of the counterweight base 1. A lifting screw 12 is movably inserted into the upper end of the support column 2. An adjustment component is provided between the lifting screw 12 and the support column 2. The adjustment component includes a lifting sleeve 8, which is rotatably installed on the upper end of the support column 2. The inner diameter of the lifting sleeve 8 is equal to the inner diameter of the upper end of the support column 2. Multiple anti-slip protrusions for rotation are evenly arranged on the outer side of the lifting sleeve 8. The lifting screw 12 is movably inserted into the interior of the lifting sleeve 8 and is spirally connected to the lifting sleeve 8. Slide strips 19 are provided on both sides inside the support column 2. Slide grooves 18 are opened on both sides of the surface of the lifting screw 12. The slide strips 19 are slidably connected to the slide grooves 18. An installation plate 9 is fixedly installed on the upper end of the lifting screw 12. Multiple first tube clamp seats 10 are fixedly installed on the upper end of the installation plate 9. A second tube clamp seat is detachably installed on the upper end of the first tube clamp seat 10.
[0031] In this embodiment, the user places the conduit between the first pipe clamp seat 10 and the second pipe clamp seat. The first pipe clamp seat 10 and the second pipe clamp seat are connected to facilitate clamping and limiting the conduit. The user rotates the lifting screw sleeve 8, and the slide bar 19 and slide groove 18 cooperate to prevent the lifting screw 12 from rotating. Under the action of the thread, the lifting screw 12 moves up or down with the rotation of the lifting screw sleeve 8, which facilitates the adjustment of the height of the mounting plate 9, thereby adjusting the height of the first pipe clamp seat 10 and the second pipe clamp seat, and thus adjusting the height of the conduit.
[0032] like Figure 4 and Figure 5 As shown, the infusion port catheter fixing device provided in this embodiment has a connecting structure between the first tube clamp seat 10 and the second tube clamp seat. The connecting structure includes a connecting groove 20, which is opened on both sides of the upper end of the first tube clamp seat 10 and the second tube clamp seat 11. Both sides of the lower end of the second tube clamp seat 11 are provided with connecting strips 21 that cooperate with the connecting groove 20. One end of the connecting groove 20 is movably inserted through a limiting protrusion 22. One end of the limiting protrusion 22 is in contact with one end of the connecting strip 21. The upper end of the limiting protrusion 22 is inclined. One side of the lower end of the connecting groove 20 is provided with an installation groove. The lower end of the limiting protrusion 22 is movably inserted into the installation groove. A return spring 23 is installed at the lower end of the limiting protrusion 22.
[0033] In this embodiment, the user places the catheter on the upper end of the first tube clamp seat 10, and the second tube clamp seat cover is inserted from one side of the first tube clamp seat 10. The connecting strip 21 is inserted into the interior of the connecting groove 20. When the connecting strip 21 contacts the limiting protrusion 22 inside the connecting groove 20, the limiting protrusion 22 is squeezed into the interior of the mounting groove, compressing the return spring 23, so that the limiting protrusion 22 is completely retracted into the interior of the mounting groove. After the connecting strip 21 is completely inserted into the interior of the connecting groove 20, the limiting protrusion 22 pops out under the action of the return spring 23, so that one side of the limiting protrusion 22 is in contact with one end of the connecting strip 21, so that the connecting strip 21 is limited inside the connecting groove 20, which facilitates the connection between the first tube clamp seat 10 and the second tube clamp seat, thereby facilitating the limiting and fixing of the catheter. At the same time, multiple second tube clamp seats can be connected through the connecting structure, which facilitates the fixing of multiple catheters as needed.
[0034] One side of the mounting groove has a movable groove, and a pull block 24 connected to the limiting protrusion 22 passes through the inside of the movable groove. A connector 25 is provided between the two pull blocks 24 located in the same second clamping seat 11. The user drives the two pull blocks 24 to move along the movable groove through the connector 25. The pull blocks 24 drive the limiting protrusion 22 to move, so that the limiting protrusion 22 retracts into the mounting groove. The connecting strip 21 can be pulled out from the inside of the connecting groove 20, thereby disassembling the first clamping seat and the second clamping seat 11 and facilitating the removal of the conduit.
[0035] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A port catheter securement device comprising a counterweight base (1), the lower end of which is provided with universal wheels (3) on both sides, characterized in that: The lower end of the counterweight base (1) is provided with a movement prevention structure, the upper end of the counterweight base (1) is fixedly installed with a support column (2), the upper end of the support column (2) is movably inserted with a lifting screw rod (12), an adjusting assembly is arranged between the lifting screw rod (12) and the support column (2), the upper end of the lifting screw rod (12) is fixedly provided with a mounting plate (9), the upper end of the mounting plate (9) is fixedly installed with a plurality of first pipe clamping bases (10), the upper end of the first pipe clamping base (10) is detachably installed with a second pipe clamping base, and a connecting structure is arranged between the first pipe clamping base (10) and the second pipe clamping base.
2. The ported catheter securement device of claim 1, wherein: The adjusting assembly comprises a lifting screw sleeve (8), the lifting screw sleeve (8) is rotatably installed at the upper end of the support column (2), the inner diameter of the lifting screw sleeve (8) is equal to the inner diameter of the upper end of the support column (2), and a plurality of anti-skid protrusions for rotation are uniformly arranged on the outer side of the lifting screw sleeve (8), the lifting screw rod (12) is movably inserted into the lifting screw sleeve (8) and is in screw connection with the lifting screw sleeve (8).
3. The ported catheter securement device of claim 2, wherein: Both sides of the support column (2) are provided with sliding strips (19), and both sides of the surface of the lifting screw rod (12) are provided with sliding grooves (18), and the sliding strips (19) and the sliding grooves (18) are in sliding connection.
4. The ported catheter securement device of claim 1, wherein: The movement prevention structure comprises a groove, the groove is arranged in the middle of the lower end of the counterweight base (1), a supporting plate (13) is movably installed in the groove, a compression spring (15) is fixedly installed at the upper end of the supporting plate (13), and a plurality of anti-skid rubber blocks (14) are uniformly arranged at the lower end of the supporting plate (13).
5. The port catheter securement device of claim 4, wherein: An active groove is arranged in the support column (2), adjusting grooves (4) are arranged on both sides of the surface of the active groove, the adjusting grooves (4) are L-shaped, the adjusting grooves (4) on both sides are in opposite states, and a clamping groove (5) is arranged at one end in the adjusting groove (4).
6. The ported catheter securement device of claim 5, wherein: An adjusting head (17) is movably installed in the active groove, an adjusting rod (16) is rotatably installed at the lower end of the adjusting head (17), the lower end of the adjusting rod (16) is movably inserted into the groove and is fixedly connected with the supporting plate (13), adjusting blocks (7) are fixedly installed on both sides of the adjusting head (17), adjusting rings (6) are installed at one end of the adjusting blocks (7) and penetrate the adjusting grooves (4), and the adjusting rings (6) are movably sleeved on the outer side of the support column (2).
7. The port catheter fixation device of claim 1, wherein: The connecting structure comprises a connecting groove (20), the connecting groove (20) is arranged on both sides of the upper end of the first pipe clamping base (10) and the second pipe clamping base (11), connecting strips (21) matched with the connecting groove (20) are arranged on both sides of the lower end of the second pipe clamping base (11), a limiting protrusion (22) is movably inserted at one end in the connecting groove (20), one end of the limiting protrusion (22) is matched with one end of the connecting strip (21), and the upper end of the limiting protrusion (22) is inclined.
8. The ported catheter securement device of claim 7, wherein: The lower end of the connecting groove (20) is provided with a mounting groove, the lower end of the limiting block (22) is movably inserted into the mounting groove, the lower end of the limiting block (22) is provided with a reset spring (23), one side of the mounting groove is provided with a moving groove, the moving groove is penetrated through the pull block (24) connected with the limiting block (22), and the pull blocks (24) located on the same second pipe clamping seat (11) are provided with a connecting piece (25).
Citation Information
Patent Citations
Silica gel catheter fixing device for tumor chemotherapy infusion port
CN215386504U