Radio frequency thermal coagulation electrode trocar

Abstract

The utility model discloses a radio frequency thermal coagulation electrode trocar, which belongs to the technical field of radio frequency trocar, and comprises a needle tube, a needle head is arranged on one side of the needle tube, a protective sleeve is sleeved on the outer side of the needle tube, and a fixed seat is fixedly arranged on one side of the needle tube. One side of the fixed seat is fixedly connected with an elastic mechanism and is fixedly connected with a first handle through the elastic mechanism, one side of the first handle is fixedly connected with a second handle, a lining core is fixedly arranged in the second handle, and the lining core sequentially penetrates through the second handle, the first handle and the fixed seat and extends into the needle tube. During use, the impact force can be buffered and reduced through the elastic mechanism at the moment when the needle tube penetrates through the skin, the needle tube slowly enters the subcutaneous tissue, meanwhile, medical staff can have large feedback, the puncture strength is controlled in time, the needle tube is protected through the protective sleeve during placement, and the practicability of the structure is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of radio frequency cannula needle technology, and more specifically, to a radio frequency thermal coagulation electrode cannula needle. Background Technology

[0002] Radiofrequency ablation cannulas are commonly used medical puncture tools used in conjunction with electrodes. They are primarily used to perform radiofrequency ablation treatment by inserting a puncture needle into the lesion site inside the body. Generally, a radiofrequency ablation cannula consists of a cannula and a liner. During puncture, the liner is placed inside the cannula, thereby increasing the strength and toughness of the cannula. After the puncture is completed, the liner is removed, and the corresponding electrode needle is inserted to perform radiofrequency ablation treatment.

[0003] Most existing radiofrequency thermocoagulation cannulas lack a buffer structure, resulting in significant impact force upon skin penetration. This not only affects the accuracy of puncture but also causes considerable harm to the patient. Therefore, the existence of a radiofrequency thermocoagulation electrode cannulas is crucial to address these issues. Utility Model Content

[0004] The main technical problem solved by this utility model is to provide a radiofrequency thermocoagulation electrode cannula needle, which can solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, according to one aspect of the present invention, more specifically, a radiofrequency thermocoagulation electrode cannula needle includes a needle tube, a needle tip on one side of the needle tube, a protective sleeve on the outside of the needle tube, a fixing seat fixedly disposed on one side of the needle tube, a spring mechanism fixedly connected to one side of the fixing seat and a first handle fixedly connected to the spring mechanism, a second handle fixedly connected to one side of the first handle, a liner fixedly disposed inside the second handle, and the liner sequentially passing through the second handle, the first handle and the fixing seat and extending into the needle tube.

[0006] Furthermore, the elastic mechanism includes a spring fixedly connected to one side of the fixed base, the spring being movably sleeved on the outside of the liner, a fixed block being fixedly provided on one side of the first handle, the spring being fixedly connected to the fixed block on one side, and the second handle being fixedly connected to one side of the fixed block.

[0007] Furthermore, a first engaging groove is fixedly provided on one side of the fixed base, a first locking block is fixedly provided on the inner side of the first handle, one side of the first locking block is fixedly connected to the fixed block, the first locking block is movably sleeved on the outer side of the first engaging groove, and the spring is provided between the first handle and the first locking block.

[0008] Furthermore, a sealing block is fixedly provided on one side of the fixing base, the sealing block is tightly fitted on the outside of the needle tube, and the protective sleeve is tightly fitted on the outside of the needle tip.

[0009] Furthermore, a second locking block is fixedly provided on one side of the needle tube, and a first anti-slip texture is fixedly provided on one side of the fixing block, with the second locking block tightly fitted onto the outside of the first anti-slip texture.

[0010] Furthermore, a bullet head is fixedly installed on one side of the protective sleeve.

[0011] Furthermore, the outer side of the first handle is fixedly provided with a plurality of second engaging grooves, and the outer side of the second handle is fixedly provided with a plurality of second anti-slip textures.

[0012] The beneficial effects of this utility model of a radiofrequency thermocoagulation electrode cannula are as follows:

[0013] By incorporating an elastic mechanism, the impact of the needle penetrating the skin is reduced as it slowly enters the subcutaneous tissue. This allows medical staff to provide greater feedback and control the puncture force in a timely manner. Additionally, the needle is protected by a protective sleeve during placement, effectively improving the practicality of the structure.

[0014] By incorporating a spring and a first handle, the device can be better secured by hand during puncture and removal of the liner. The first locking groove and first locking block effectively improve the sealing performance of the mechanism. The sealing block further enhances the protective performance of the protective sleeve for the needle tube. The second locking block further improves the sealing performance of the structure. The bullet-shaped design facilitates the insertion of the device into the storage box. The second locking groove and second anti-slip texture effectively improve safety during use. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a schematic diagram of the overall structure of a radiofrequency thermocoagulation electrode cannula needle according to the present invention;

[0017] Figure 2 This is a cross-sectional view of the structure of a radiofrequency thermocoagulation electrode cannula needle according to the present invention;

[0018] Figure 3 for Figure 2 Enlarged view at point A;

[0019] Figure 4 This is a schematic diagram of the needle tube structure of a radiofrequency thermocoagulation electrode cannula needle according to the present invention;

[0020] Figure 5 This is a schematic diagram of the fixing block structure of a radio frequency thermocoagulation electrode sleeve needle according to the present invention.

[0021] In the diagram: 1. Protective sleeve; 10. Bullet head; 2. Syringe; 20. Needle; 3. Fixing base; 30. Sealing block; 31. First locking groove; 4. First handle; 40. Spring; 41. Fixing block; 42. First locking block; 43. First anti-slip texture; 44. Second locking groove; 5. Second handle; 50. Second locking block; 51. Lining core; 52. Second anti-slip texture. Detailed Implementation

[0022] To make the technical solution of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Example 1

[0024] like Figure 1-5 As shown, according to one aspect of this utility model, a radiofrequency thermocoagulation electrode cannula needle is provided, including a needle tube 2, a needle tip 20 on one side of the needle tube 2, a protective sleeve 1 on the outside of the needle tube 2, a fixing seat 3 fixedly disposed on one side of the needle tube 2, a spring mechanism fixedly connected to one side of the fixing seat 3 and a first handle 4 fixedly connected to the spring mechanism, a second handle 5 fixedly connected to one side of the first handle 4, a liner 51 fixedly disposed inside the second handle 5, the liner 51 passing through the second handle 5, the first handle 4 and the fixing seat 3 in sequence and extending into the needle tube 2. By setting the spring mechanism, when the needle tube 2 penetrates the skin, the impact force is buffered and reduced by the spring mechanism at the moment of use, and it slowly enters the subcutaneous tissue. At the same time, medical staff can have greater feedback and timely control the puncture force, and the needle tube 2 is protected by the protective sleeve 1 when placed, which effectively improves the practicality of the structure.

[0025] In this embodiment, the elastic mechanism includes a spring 40 fixedly connected to one side of the fixed base 3. The spring 40 is movably sleeved on the outside of the liner 51. A fixing block 41 is fixedly provided on one side of the first handle 4. One side of the spring 40 is fixedly connected to the fixing block 41. The second handle 5 is fixedly connected to one side of the fixing block 41. By setting the spring 40 and the first handle 4, the device can be better fixed by hand when piercing and removing the liner 51.

[0026] In this embodiment, a first engaging groove 31 is fixedly provided on one side of the fixed base 3, and a first locking block 42 is fixedly provided on the inner side of the first handle 4. One side of the first locking block 42 is fixedly connected to the fixed block 41. The first locking block 42 is movably sleeved on the outside of the first engaging groove 31. A spring 40 is provided between the first handle 4 and the first locking block 42. By providing the first engaging groove 31 and the first locking block 42, the sealing performance of the mechanism is effectively improved.

[0027] In this embodiment, a sealing block 30 is fixedly provided on one side of the fixing base 3. The sealing block 30 is tightly fitted on the outside of the needle tube 2, and the protective sleeve 1 is tightly fitted on the outside of the needle tip 20. By providing the sealing block 30, the protective performance of the protective sleeve 1 on the needle tube 2 is further improved.

[0028] In this embodiment, a second locking block 50 is fixedly provided on one side of the needle tube 2, and a first anti-slip texture 43 is fixedly provided on one side of the fixing block 41. The second locking block 50 is tightly fitted on the outside of the first anti-slip texture 43. The sealing performance of the structure is further improved by setting the second locking block 50.

[0029] In this embodiment, a bullet head 10 is fixedly provided on one side of the protective sleeve 1, which facilitates the insertion of the device into the storage box.

[0030] In this embodiment, a plurality of second engaging grooves 44 are fixedly provided on the outer side of the first handle 4, and a plurality of second anti-slip textures 52 are fixedly provided on the outer side of the second handle 5. By providing the second engaging grooves 44 and the second anti-slip textures 52, the safety during use is effectively improved.

[0031] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A radiofrequency thermocoagulation electrode cannula needle, comprising a needle tube (2), characterized in that: A needle tip (20) is provided on one side of the needle tube (2). A protective sleeve (1) is provided on the outside of the needle tube (2). A fixing seat (3) is fixedly provided on one side of the needle tube (2). A spring mechanism is fixedly connected to one side of the fixing seat (3) and a first handle (4) is fixedly connected to the spring mechanism. A second handle (5) is fixedly connected to one side of the first handle (4). A liner (51) is fixedly provided inside the second handle (5). The liner (51) passes through the second handle (5), the first handle (4) and the fixing seat (3) in sequence and extends into the inside of the needle tube (2).

2. The radiofrequency thermocoagulation electrode cannula needle according to claim 1, characterized in that: The elastic mechanism includes a spring (40) fixedly connected to one side of the fixed base (3), the spring (40) being movably sleeved on the outside of the liner (51), a fixed block (41) being fixedly provided on one side of the first handle (4), the spring (40) being fixedly connected to the fixed block (41) on one side, and the second handle (5) being fixedly connected to one side of the fixed block (41).

3. The radiofrequency thermocoagulation electrode cannula needle according to claim 2, characterized in that: The fixed base (3) has a first engaging groove (31) fixedly provided on one side, and the first handle (4) has a first locking block (42) fixedly provided on the inner side. The first locking block (42) is fixedly connected to the fixed block (41) on one side. The first locking block (42) is movably sleeved on the outside of the first engaging groove (31). The spring (40) is provided between the first handle (4) and the first locking block (42).

4. The radiofrequency thermocoagulation electrode cannula needle according to claim 1, characterized in that: A sealing block (30) is fixedly installed on one side of the fixed base (3). The sealing block (30) is tightly fitted on the outside of the needle tube (2). The protective sleeve (1) is tightly fitted on the outside of the needle tip (20).

5. The radiofrequency thermocoagulation electrode cannula needle according to claim 2, characterized in that: A second locking block (50) is fixedly provided on one side of the needle tube (2), and a first anti-slip texture (43) is fixedly provided on one side of the fixing block (41). The second locking block (50) is tightly fitted on the outside of the first anti-slip texture (43).

6. The radiofrequency thermocoagulation electrode cannula according to claim 1, characterized in that: A bullet head (10) is fixedly installed on one side of the protective sleeve (1).

7. The radiofrequency thermocoagulation electrode cannula needle according to claim 1, characterized in that: The first handle (4) has a plurality of second engagement grooves (44) fixedly provided on the outside, and the second handle (5) has a plurality of second anti-slip textures (52) fixedly provided on the outside.

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