Full-water-cooling flexible microwave ablation catheter
By designing the structure of fixing blocks, limit sleeves, slide rods, springs and top blocks in a fully water-cooled flexible microwave ablation catheter, the problem of inability to move the conduit when encountering obstacles and unstable connection of the water-cooled pipe is realized. Stable movement and stable connection between water cooling pipes.
Patent Information
- Application Number
- CN202421092129.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-20
AI Technical Summary
When used, the fully water-cooled flexible microwave ablation catheter cannot move, and the connection between the water-cooled pipe and the fixed pipe is unstable, which can easily lead to loosening of the water-cooled pipe.
A conduit structure including a fixed block, a limit sleeve, a slide rod, a spring and a top block is designed. The threaded connection between the limit sleeve and the water-cooled pipe and the slide rod drives the conduit to ensure the stable connection between the water-cooled pipe and the fixed pipe. and can move when the catheter encounters obstacles.
It effectively solves the problem that the conduit cannot move when it encounters obstacles, and the connection between the water-cooled pipe and the fixed pipe is more stable through the design of the limit sleeve, avoiding the phenomenon of loose water-cooled pipe.
Smart Images
Figure CN222487590U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of microwave ablation catheters, in particular to a fully water-cooled flexible microwave ablation catheter. Background Art
[0002] The water-cooled flexible microwave ablation catheter is an instrument used in minimally invasive surgery, mainly for the treatment of tumors or abnormal tissues. The catheter uses full water cooling technology, which can achieve rapid heating and ablation of tissues under the action of microwaves, while keeping the temperature of the catheter surface lower than body temperature to avoid damage to surrounding tissues.
[0003] The catheter has a flexible design that allows it to pass through tortuous passages or organs during surgery, making the surgery more precise and safer. In addition, the catheter uses microwave technology to complete tissue ablation in a short period of time, reducing surgery time and patient pain.
[0004] In general, the fully water-cooled flexible microwave ablation catheter is an advanced minimally invasive surgical instrument that is fast, safe and precise, and helps improve surgical treatment outcomes and the quality of life of patients.
[0005] When a fully water-cooled flexible microwave ablation catheter is used, the catheter cannot move when encountering an obstacle, and the connection between the water-cooling tube and the fixed tube is unstable, which can easily cause the water-cooling tube to loosen. Utility Model Content
[0006] The utility model aims to provide a fully water-cooled flexible microwave ablation catheter, which solves the problem that the catheter cannot move when encountering an obstacle during use, and the connection between the water-cooling tube and the fixed tube is unstable, which easily leads to the loosening of the water-cooling tube.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fully water-cooled flexible microwave ablation catheter, comprising a cylinder, a second outlet is arranged at the lower end of the cylinder, a fixed block is fixedly connected to the right side of the cylinder, a sliding rod is slidably connected to the inside of the fixed block, a spring is arranged inside the fixed block, a top block is fixedly connected to the end of the sliding rod away from the spring, a connecting shell is fixedly connected to the right side of the fixed block, a catheter is arranged inside the cylinder, a fixed tube is fixedly connected to the left side of the cylinder, a water-cooling tube is slidably connected to the inside of the fixed tube, a mounting block is fixedly connected to the outside of the fixed tube, and a limiting sleeve is rotatably sleeved on the outside of the mounting block.
[0008] Preferably, there are multiple sliding rods, which are distributed in a ring shape in the fixed block. The design of the sliding rods can drive the top block to move.
[0009] Preferably, a limiting ring is fixedly connected inside the fixing block, and a sliding rod is slidably connected inside the limiting ring. The limiting ring can limit the sliding rod through its design.
[0010] Preferably, one end of the spring contacts the slide bar, and the other end of the spring contacts the fixed block. The design of the spring can drive the top block to fit the catheter.
[0011] Preferably, the conduit is in contact with the top block, and the conduit is slidably connected to the connecting shell. The design of the top block and the connecting shell can limit the conduit.
[0012] Preferably, the limiting sleeve is rotatably connected to the fixed pipe, and the limiting sleeve is threadedly connected to the water cooling pipe. The limiting sleeve can play a limiting role on the water cooling pipe through the design of the limiting sleeve.
[0013] Preferably, an annular groove is provided inside the limiting sleeve, and the annular groove is slidably connected to the mounting block. Through the design of the annular groove, the limiting sleeve can be limited in cooperation with the mounting block.
[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0015] 1. The utility model is provided with components such as a fixing block and a limiting sleeve, so that when the water-cooling tube and the fixed tube are plugged in, the limiting sleeve and the water-cooling tube can be threaded by rotating the limiting sleeve, so that the limiting sleeve limits the water-cooling tube, and the plugging of the water-cooling tube and the fixed tube remains stable, thereby solving the problem of unstable connection between the water-cooling tube and the fixed tube of the fully water-cooled flexible microwave ablation catheter, which easily leads to loosening of the water-cooling tube.
[0016] 2. The utility model can guide the catheter by providing components such as a fixed block, a sliding rod, a spring, and a top block. At the same time, it can prevent the catheter from shaking during use and allow the catheter to move when an obstacle occurs, thereby solving the problem that the catheter cannot move when encountering an obstacle when using a fully water-cooled flexible microwave ablation catheter. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0018] Figure 2 For the utility model Figure 1 A side perspective view of a local structure;
[0019] Figure 3 For the utility model Figure 1 A front cross-sectional view of
[0020] Figure 4 For the utility model Figure 2 A front cross-sectional view of
[0021] Figure 5 For the utility model Figure 3 A magnified view of the structure of part A;
[0022] Figure 6 For the utility model Figure 4 Enlarged view of the structure of part B.
[0023] In the figure: 1, cylinder; 11, second outlet; 2, fixing block; 21, sliding rod; 22, limiting ring; 23, spring; 24, top block; 25, connecting shell; 3, conduit; 4, fixing pipe; 5, water cooling pipe; 6, mounting block; 61, limiting sleeve; 62, ring groove. DETAILED DESCRIPTION
[0024] 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.
[0025] See also Figure 1-6 A fully water-cooled flexible microwave ablation catheter comprises a barrel 1, a second outlet 11 is arranged at the lower end of the barrel 1, a fixed block 2 is fixedly connected to the right side of the barrel 1, a sliding rod 21 is slidably connected inside the fixed block 2, there are multiple sliding rods 21, and the multiple sliding rods 21 are distributed in a ring shape inside the fixed block 2. Through the design of the sliding rod 21, a top block 24 can be driven to move, a limiting ring 22 is fixedly connected inside the fixed block 2, and the sliding rod 21 is slidably connected inside the limiting ring 22. Through the design of the limiting ring 22, the sliding rod 21 can be limited.
[0026] See also Figure 2-6 A spring 23 is arranged inside the fixed block 2, one end of the spring 23 contacts the slide bar 21, and the other end of the spring 23 contacts the fixed block 2. Through the design of the spring 23, the top block 24 can be driven to fit with the catheter 3. The end of the slide bar 21 away from the spring 23 is fixedly connected with the top block 24, and the right side of the fixed block 2 is fixedly connected with a connecting shell 25. A catheter 3 is arranged inside the cylinder 1, and the catheter 3 contacts the top block 24. The catheter 3 is slidably connected with the connecting shell 25. Through the design of the top block 24 and the connecting shell 25, the catheter 3 can be limited.
[0027] See also Figure 2-6A fixed tube 4 is fixedly connected to the left side of the cylinder 1, and a water-cooling tube 5 is slidably connected inside the fixed tube 4. A mounting block 6 is fixedly connected to the outside of the fixed tube 4. A limiting sleeve 61 is rotatably sleeved on the outside of the mounting block 6. The limiting sleeve 61 is rotatably connected to the fixed tube 4. The limiting sleeve 61 is threadedly connected to the water-cooling tube 5. The design of the limiting sleeve 61 can limit the water-cooling tube 5. An annular groove 62 is provided inside the limiting sleeve 61. The annular groove 62 is slidably connected to the mounting block 6. The design of the annular groove 62 can cooperate with the mounting block 6 to limit the limiting sleeve 61.
[0028] The specific implementation process of the utility model is as follows: when in use, the water cooling tube 5 is plugged into the fixed tube 4, and then the limiting sleeve 61 is rotated to rotate the limiting sleeve 61 on the mounting block 6, so that the limiting sleeve 61 and the water cooling tube 5 are threaded, so that the limiting sleeve 61 limits the water cooling tube 5, so that the water cooling tube 5 and the fixed tube 4 are plugged stably, thereby preventing the water cooling tube 5 from loosening;
[0029] When the catheter 3 is blocked, the catheter 3 can drive the top block 24 to move, so that the top block 24 drives the slide bar 21 to slide in the limit ring 22, and the slide bar 21 squeezes the spring 23, so that the catheter 3 can be corrected and returned to its original position after displacement, thereby better guiding the catheter 3.
[0030] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fully water-cooled flexible microwave ablation catheter, comprising a barrel (1), characterized in that: The lower end of the cylinder (1) is provided with a second outlet (11); the right side of the cylinder (1) is fixedly connected to a fixed block (2); the interior of the fixed block (2) is slidably connected to a slide rod (21); a spring (23) is provided inside the fixed block (2); an end of the slide rod (21) away from the spring (23) is fixedly connected to a top block (24); the right side of the fixed block (2) is fixedly connected to a connecting shell (25); a guide tube (3) is provided inside the cylinder (1); the left side of the cylinder (1) is fixedly connected to a fixed pipe (4); the interior of the fixed pipe (4) is slidably connected to a water cooling pipe (5); the outer side of the fixed pipe (4) is fixedly connected to a mounting block (6); the outer side of the mounting block (6) is rotatably sleeved with a limiting sleeve (61).
2. The fully water-cooled flexible microwave ablation catheter according to claim 1, characterized in that: There are multiple sliding rods (21), and the multiple sliding rods (21) are distributed in a ring shape inside the fixed block (2).
3. The fully water-cooled flexible microwave ablation catheter according to claim 1, characterized in that: A limiting ring (22) is fixedly connected inside the fixed block (2), and a sliding rod (21) is slidably connected inside the limiting ring (22).
4. The fully water-cooled flexible microwave ablation catheter according to claim 1, characterized in that: One end of the spring (23) contacts the slide bar (21), and the other end of the spring (23) contacts the fixed block (2).
5. The fully water-cooled flexible microwave ablation catheter according to claim 1, characterized in that: The conduit (3) is in contact with the top block (24), and the conduit (3) is slidably connected to the connection shell (25).
6. The fully water-cooled flexible microwave ablation catheter according to claim 1, characterized in that: The limiting sleeve (61) is rotatably connected to the fixed tube (4), and the limiting sleeve (61) is threadably connected to the water cooling tube (5).
7. The fully water-cooled flexible microwave ablation catheter according to claim 1, characterized in that: An annular groove (62) is provided inside the limiting sleeve (61), and the annular groove (62) is slidably connected to the mounting block (6).