Micro-catheter telescopic combined structure
By designing anti-winding wheels and limiting components in medical catheters, the problem of catheter wrapping is solved, the treatment stability and processing convenience are improved, and the safety and applicability of the device are enhanced.
Patent Information
- Application Number
- CN202421668323.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-15
AI Technical Summary
Existing medical catheters are prone to wrap during use, resulting in unstable treatment and troublesome subsequent treatment, affecting the treatment effect.
A micro-catheter telescopic combination structure is designed, using an anti-winding wheel and a limiting assembly. The anti-winding wheel is driven by a rotating motor to rotate, winding the telescopic conduit onto the anti-winding wheel, and limiting the conduit through the limiting ring to avoid winding.
It effectively avoids catheter entanglement, improves the stability of the treatment process, simplifies follow-up treatment, and increases the safety and universality of the device.
Smart Images

Figure CN222998132U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical catheter equipment, in particular to a telescopic combination structure of a micro catheter. Background Art
[0002] Medical catheters are classified into many types. Generally, according to the functions, they can be divided into infusion catheters, hemodialysis catheters, angiography catheters, catheters for endovascular interventional therapy, digestive tract catheters, respiratory tract catheters, etc. Medical catheters are generally used for angiography and injection of microparticles, and are mostly made of polyethylene materials. They are mainly small catheters used to support guide wires in coronary artery surgeries.
[0003] The patent with the publication number CN201720398555.5 and the name of a telescopic tracheal intubation discloses a telescopic tracheal intubation, which includes a flexible cylindrical telescopic catheter. The bottom end of the telescopic catheter is connected with an air guide joint, the top end of the telescopic catheter is connected with the bottom end of a shape memory metal spring, a guide wire is arranged through the inside of the telescopic catheter, the guide wire passes through the telescopic catheter to reach the top end of the telescopic catheter and passes through the inside of the shape memory metal spring and is connected to the top end of the shape memory metal spring. A telescopic anti-adhesion biofilm is sleeved on the outer surface of the shape memory metal spring. The tracheal intubation realizes the automatic telescopic function of the tracheal intubation by the mutual cooperation of the shape memory metal spring and the guide wire. However, there are deficiencies in the actual application process of this patented technology. The catheter of this device is relatively long and may get entangled during use, which is not only troublesome for subsequent processing but also affects the treatment process. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a telescopic combination structure of a micro catheter is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A telescopic combination structure of a micro catheter includes a workbench. It is characterized in that a first mounting seat is fixedly installed on one side of the upper surface of the workbench, a second mounting seat is fixedly installed on the other side of the upper surface. An installation groove is opened on one side of the first mounting seat, a rotary motor is fixedly installed inside the installation groove, the power end of the rotary motor is fixedly connected with an anti-entanglement wheel, and the end of the anti-entanglement wheel away from the rotary motor is rotatably connected to the second mounting seat. A chute is opened on the upper surface of the workbench, and a movable seat is movably connected inside the chute. A limiting component is fixedly connected to the upper surface of the movable seat.
[0007] As a further improvement of the utility model, the limiting component includes a lower limiting ring fixedly connected to the upper surface of the movable seat. One side of the lower limiting ring is hinged with an upper limiting ring through a hinge, and several buffer rings are fixedly connected to the inner walls of the upper limiting ring and the lower limiting ring.
[0008] As a further improvement of the present utility model, several threaded holes are provided on both sides of the upper surface of the workbench, and mounting bolts adapted to the threaded holes are threadedly connected to the upper surfaces of the first mounting seat and the second mounting seat.
[0009] As a further improvement of the present utility model, a connecting plate is fixedly connected to the lower surface of the workbench, and two limiting plates are fixedly connected to one side of the lower surface of the connecting plate.
[0010] As a further improvement of the present utility model, two adjusting bolts are rotatably connected to the lower surface of the connecting plate, and fixing plates are threadedly sleeved on the surfaces of the two adjusting bolts.
[0011] As a further improvement of the present utility model, limiting grooves are provided on one side of the two limiting plates, and limiting blocks adapted to the limiting grooves are fixedly connected to one side of the two fixing plates.
[0012] As a further improvement of the present utility model, rubber cushion pads are fixedly installed on one side of the upper surfaces of the two fixing plates, and handles are fixedly connected to the lower surfaces of the two adjusting bolts.
[0013] As a further improvement of the present utility model, a support plate is fixedly connected to one side of the workbench, and a storage box is fixedly connected to the upper surface of the support plate.
[0014] As a further improvement of the present utility model, a partition plate is fixedly connected to the inside of the storage box, and a moisture-proof pad is fixedly installed on the inner wall of the storage box.
[0015] As a further improvement of the present utility model, a telescopic conduit is rotatably connected to the surface of the anti-winding wheel, and one end of the telescopic conduit is movably connected inside the limiting assembly.
[0016] Advantages of the present utility model:
[0017] By providing the anti-winding wheel and the limiting assembly, during use, the telescopic conduit is wound around the anti-winding wheel, the rotating motor is started to drive the anti-winding wheel to rotate slowly, so that one end of the telescopic conduit is gradually moved into the limiting assembly, and the telescopic conduit is limited by the upper limiting ring and the lower limiting ring, so that the device can avoid the telescopic conduit from winding during the treatment of the patient, making the treatment process more stable and more convenient for subsequent processing, and increasing the safety of the device.
[0018] By providing the adjusting bolts and the fixing plates, during use, the connecting plate is placed above the edge of the bed, the adjusting bolts are rotated to drive the fixing plates to move upward until they abut against the lower part of the bed edge, thereby fixing the device to the bed edge, so that the device can be simply fixed to any position and is also relatively simple to disassemble, increasing the versatility of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 FIG. 1 is a schematic structural diagram of the first embodiment of a telescopic combination structure of a micro catheter proposed by the present utility model;
[0020] Figure 2 FIG. 2 is a schematic structural diagram of the second embodiment of a telescopic combination structure of a micro catheter proposed by the present utility model;
[0021] Figure 3 FIG. 3 is a schematic structural diagram of the third embodiment of a telescopic combination structure of a micro catheter proposed by the present utility model.
[0022] In the figures: 1 workbench, 2 first mounting seat, 3 second mounting seat, 4 mounting groove, 5 rotating motor, 6 anti - winding wheel, 7 sliding groove, 8 movable seat, 9 limiting component, 901 lower limiting ring, 902 upper limiting ring, 903 buffer ring, 10 threaded hole, 11 mounting bolt, 12 connecting plate, 13 limiting plate, 14 adjusting bolt, 15 fixing plate, 16 limiting groove, 17 limiting block, 18 rubber soft pad, 19 handle, 20 support plate, 21 storage box, 22 partition plate, 23 moisture - proof pad, 24 telescopic catheter. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0024] Embodiment 1
[0025] Refer to Figure 1 , a telescopic combination structure of a micro catheter, comprising a workbench 1. On one side of the upper surface of the workbench 1, a first mounting seat 2 is fixedly installed, and on the other side of the upper surface, a second mounting seat 3 is fixedly installed. An installation groove 4 is opened on one side of the first mounting seat 2, a rotating motor 5 is fixedly installed inside the installation groove 4, the power end of the rotating motor 5 is fixedly connected with an anti - winding wheel 6, and the end of the anti - winding wheel 6 away from the rotating motor 5 is rotatably connected to the second mounting seat 3. A sliding groove 7 is opened on the upper surface of the workbench 1, a movable seat 8 is movably connected inside the sliding groove 7, a limiting component 9 is fixedly connected to the upper surface of the movable seat 8. The limiting component 9 includes a lower limiting ring 901 fixedly connected to the upper surface of the movable seat 8, one side of the lower limiting ring 901 is hinged with an upper limiting ring 902 through a hinge, and several buffer rings 903 are fixedly connected to the inner walls of the upper limiting ring 902 and the lower limiting ring 901. Several threaded holes 10 are opened on both sides of the upper surface of the workbench 1, and mounting bolts 11 adapted to the threaded holes 10 are threadedly connected to the upper surfaces of the first mounting seat 2 and the second mounting seat 3, and the first mounting seat 2 and the second mounting seat 3 are fixed to the workbench 1 through the mounting bolts 11.
[0026] Example Two
[0027] Referring to Figure 2 , what is better about this embodiment compared to Embodiment One is that a connecting plate 12 is fixedly connected to the lower surface of the workbench 1 in this embodiment. One side of the lower surface of the connecting plate 12 is fixedly connected with two limiting plates 13. Two adjusting bolts 14 are rotatably connected to the lower surface of the connecting plate 12. Fixing plates 15 are threadedly sleeved on the surfaces of the two adjusting bolts 14. Limiting grooves 16 are opened on one side of the two limiting plates 13. Limiting blocks 17 adapted to the limiting grooves 16 are fixedly connected to one side of the two fixing plates 15. Rubber soft pads 18 are fixedly installed on one side of the upper surfaces of the two fixing plates 15. Handles 19 are fixedly connected to the lower surfaces of the two adjusting bolts 14. Place the connecting plate 12 below the workbench 1 above the edge of the bed, hold the handle 19 and rotate the adjusting bolt 14 to drive the fixing plate 15 to move upward until it abuts against the lower part of the bed edge, so as to fix the device to the bed edge, enabling the device to be applicable to more scenarios.
[0028] Example Three
[0029] Referring to Figure 3 , what is better about this embodiment compared to Embodiment Two is that a support plate 20 is fixedly connected to one side of the workbench 1 in this embodiment. A storage box 21 is fixedly connected to the upper surface of the support plate 20. A partition plate 22 is fixedly connected to the inside of the storage box 21. A moisture-proof pad 23 is fixedly installed on the inner wall of the storage box 21. A telescopic conduit 24 is rotatably connected to the surface of the anti-winding wheel 6. One end of the telescopic conduit 24 is movably connected inside the limiting assembly 9. Place the medical instruments into the storage box 21, making it more convenient for medical staff to use the device.
[0030] When the utility model is in use, first place the connecting plate 12 below the workbench 1 above the edge of the bed, hold the handle 19 and rotate the adjusting bolt 14 to drive the fixing plate 15 to move upward until it abuts against the lower part of the bed edge, so as to fix the device to the bed edge. Fix the first mounting seat 2 and the second mounting seat 3 to the upper part of the workbench 1 through the mounting bolts 11, thereby fixing the anti-winding wheel 6. Then wind the telescopic conduit 24 around the anti-winding wheel 6, start the rotating motor 5 to drive the anti-winding wheel 6 to rotate slowly, so that the treatment end of the telescopic conduit 24 gradually moves into the limiting assembly 9, and limit the telescopic conduit 24 through the upper limiting ring 901 and the lower limiting ring 902. Finally, start the rotating motor 5 again, so that the treatment end of the telescopic conduit 24 gradually moves onto the patient to treat the patient.
[0031] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.
Claims
1. A micro-catheter telescopic combined structure, comprising a workbench (1), characterized in that: A first mounting seat (2) is fixedly mounted on one side of the upper surface of the workbench (1), and a second mounting seat (3) is fixedly mounted on the other side of the upper surface; a mounting groove (4) is provided on one side of the first mounting seat (2); a rotating motor (5) is fixedly mounted inside the mounting groove (4); a power end of the rotating motor (5) is fixedly connected to an anti-winding wheel (6); an end of the anti-winding wheel (6) away from the rotating motor (5) is rotatably connected to the second mounting seat (3); a sliding groove (7) is provided on the upper surface of the workbench (1); the interior of the sliding groove (7) is movably connected to a movable seat (8); and a limiting component (9) is fixedly connected to the upper surface of the movable seat (8).
2. A micro-catheter telescopic combined structure according to claim 1, characterized in that: The limiting assembly (9) comprises a lower limiting ring (901) fixedly connected to the upper surface of the movable seat (8); an upper limiting ring (902) is hingedly connected to one side of the lower limiting ring (901) via a hinge; and a plurality of buffer rings (903) are fixedly connected to the inner walls of the upper limiting ring (902) and the lower limiting ring (901).
3. The micro-catheter telescopic combined structure according to claim 1, characterized in that: A plurality of threaded holes (10) are provided on both sides of the upper surface of the workbench (1), and the upper surfaces of the first mounting seat (2) and the second mounting seat (3) are threadedly connected with mounting bolts (11) that match the threaded holes (10).
4. The micro-catheter telescopic combined structure according to claim 1, characterized in that: A connecting plate (12) is fixedly connected to the lower surface of the workbench (1), and two limiting plates (13) are fixedly connected to one side of the lower surface of the connecting plate (12).
5. The micro-catheter telescopic combined structure according to claim 4, characterized in that: The lower surface of the connecting plate (12) is rotatably connected to two adjusting bolts (14), and the surfaces of the two adjusting bolts (14) are both threadedly sleeved with fixing plates (15).
6. The micro-catheter telescopic combined structure according to claim 5, characterized in that: One side of the two limiting plates (13) is provided with a limiting groove (16), and one side of the two fixing plates (15) is fixedly connected with a limiting block (17) adapted to the limiting groove (16).
7. The micro-catheter telescopic combined structure according to claim 5, characterized in that: A rubber cushion (18) is fixedly mounted on one side of the upper surface of the two fixing plates (15), and a handle (19) is fixedly connected to the lower surface of the two adjusting bolts (14).
8. The micro-catheter telescopic combined structure according to claim 1, characterized in that: A support plate (20) is fixedly connected to one side of the workbench (1), and a storage box (21) is fixedly connected to the upper surface of the support plate (20).
9. The micro-catheter telescopic combined structure according to claim 8, characterized in that: A partition plate (22) is fixedly connected to the interior of the storage box (21), and a moisture-proof pad (23) is fixedly installed on the inner wall of the storage box (21).
10. The micro-catheter telescopic combined structure according to claim 1, characterized in that: The surface of the anti-winding wheel (6) is rotatably connected to a telescopic guide tube (24), and one end of the telescopic guide tube (24) is movably connected to the interior of the limiting assembly (9).
Citation Information
Patent Citations
Scalable trachea cannula
CN207462429U