Ablation needle for cystic nodule treatment
By designing an ablation needle for the treatment of cystic nodules, the problems of cyst fluid affecting heat conduction and the risk of repeated punctures were solved, achieving efficient and safe treatment for cyst fluid extraction and ablation.
Patent Information
- Application Number
- CN202520021572.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-06
AI Technical Summary
When using existing ablation needles to treat cystic thyroid nodules, the presence of cystic fluid weakens heat conduction, affecting the treatment effect, and repeated punctures may increase the risk of bleeding.
A treatment ablation needle for cystic nodules has been designed, comprising a needle tube, a delivery box, a fluid guide tube, and an ablation tube. The switching between cyst fluid extraction and ablation zone is achieved through the cooperation of a centrifuge hole and a circular hole. Combined with an anti-slip ring and a protective sleeve, the safety and stability of the operation are improved.
It achieves effective extraction and ablation of cyst fluid, reduces the risk of repeated punctures, improves treatment efficiency and safety, and extends service life.
Smart Images

Figure CN223569392U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ablation needle technical field, specifically, relate to a cystic nodule treatment ablation needle. BACKGROUND
[0002] In thyroid nodules, some nodules are mainly cystic or contain cystic components. When such nodules are treated by ablation, the heat conduction of the ablation needle will be weakened due to the presence of cyst fluid, resulting in poor ablation effect. The traditional treatment method is to use a syringe to extract the cyst fluid first, but this will cause the cyst wall to collapse, affecting the entry of the ablation needle and the ablation effect, and repeated puncture may increase the risk of bleeding. Therefore, an ablation needle capable of simultaneously completing cyst fluid extraction and ablation treatment is needed. SUMMARY
[0003] To make up for the above shortcomings, the utility model provides a cystic nodule treatment ablation needle, aiming at improving the problem that repeated puncture may increase the risk of bleeding.
[0004] The utility model is realized as follows: a cystic nodule treatment ablation needle, comprising a needle tube and a needle head, one end of the needle tube is fixedly installed with a delivery box, one side of the delivery box is fixedly installed with the needle head, the other side of the delivery box is provided with a centrifugal hole, a liquid guide tube is rotatably installed between the inner walls of the needle tube, the inside of the liquid guide tube is divided into a liquid extraction area and an ablation area by a partition, one side of the liquid extraction area and the ablation area is provided with a circular hole matched with the centrifugal hole, a liquid extraction tube and an ablation tube are fixedly installed outside the liquid extraction area and the ablation area, one end of the liquid extraction tube and the ablation tube penetrates through the needle tube and extends to the outside, and one end of the liquid guide tube is installed with an adjusting assembly.
[0005] In the preferred technical scheme of the utility model, one end of the liquid extraction tube and the ablation tube is fixedly installed with a connector.
[0006] In the preferred technical scheme of the utility model, the circular holes are symmetrically arranged on one side of the liquid guide tube, and the liquid extraction area and the ablation area are communicated with the delivery box through the cooperation of the circular holes and the centrifugal hole.
[0007] In the preferred technical scheme of the utility model, a non-slip ring is fixedly installed outside the needle tube, and the non-slip ring is made of rubber.
[0008] In the preferred technical scheme of the utility model, a semicircular hole is arranged outside the needle tube, a protective sleeve is fixedly installed outside the liquid extraction tube and the ablation tube, and the protective sleeve is slidingly connected with the inner wall of the semicircular hole.
[0009] The adjusting assembly comprises a first sleeve, a second sleeve, a horizontal plate and a positioning column, one end of the liquid guide tube is fixedly installed with the first sleeve, one end of the second sleeve is slidably sleeved with the first sleeve, springs are fixedly installed between the inner wall of the first sleeve and the inner wall of the second sleeve, limit blocks are fixedly installed on the outer side of the first sleeve in a symmetrical mode, limit grooves matched with the limit blocks are arranged on the inner wall of the first sleeve, one end of the second sleeve is slidably penetrated through the needle tube and extends to the outer side, the horizontal plate is fixedly installed on the outer side of the second sleeve, the positioning columns are fixedly installed on one end of the needle tube in a symmetrical mode, positioning holes matched with the positioning columns are arranged on the horizontal plate, and the positioning columns are slidably connected with the inner wall of the positioning holes.
[0010] In the preferred technical scheme of the utility model, the second sleeve one end fixedly installs the pull block, the pull block's cross section is T shape setting.
[0011] In the preferred technical scheme of the utility model, the needle tube one end fixedly installs the limit board, the limit board with two the positioning column parallel setting, the limit board with the second sleeve between gap is provided with.
[0012] The utility model discloses the beneficial effect is: through setting up the liquid extraction area and the ablation area, can first extract the cystic nodules in the cystic fluid, then carries out the ablation treatment to the cystic nodules, thereby avoid the risk that the repeated puncture possibly increases the hemorrhage, through setting up the adjusting assembly, can be communicated and switched to the round hole and the centrifugal hole of liquid extraction area and ablation area, thereby simplify the operation process, improve the treatment efficiency, through setting up the antiskid ring, increase the friction between the operator's hand and needle tube, thereby avoid the situation that slips in use, further improve the security of treatment, through setting up the protective sleeve, can protect the liquid extraction tube and the ablation tube, avoid the liquid extraction tube and the ablation tube when the bending or rupture condition that appears when being subjected to external force, thereby prolong the service life. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the drawings needed in the embodiment used briefly introduced, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.
[0014] Figure 1 It is the structure schematic diagram of the cystic nodules treatment ablation needle provided by the utility model embodiment;
[0015] Figure 2Part structure schematic view of cystic nodule treatment ablation needle is provided for the utility model embodiment.
[0016] Figure 3 Structure schematic view of guide tube is provided for the utility model embodiment.
[0017] Figure 4 Structure schematic view of adjusting assembly is provided for the utility model embodiment.
[0018] In the drawing: 110-needle tube;111-needle head;112-delivery box;113-anti-skid ring;120-guide tube;121-baffle;122-liquid suction tube;123-ablation tube;124-connection head;125-protection sleeve;130-first sleeve;131-second sleeve;132-cross plate;133-positioning column;134-spring;135-limiting block;136-pull block;137-limiting plate. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figures 1-3 The utility model provides technical scheme: a cystic nodule treatment ablation needle, including needle tube 110 and needle head 111, needle tube 110 one end fixed mounting delivery box 112, delivery box 112 one side fixed mounting needle head 111, and the other side of delivery box 112 is provided with centrifugal hole, and the inner wall both sides of needle tube 110 are rotatably installed guide tube 120, and guide tube 120 is divided into liquid suction area and ablation area by baffle 121 inside, and one side of liquid suction area and ablation area is provided with the round hole matched with centrifugal hole, and liquid suction tube 122 and ablation tube 123 are fixedly installed outside the liquid suction area and ablation area, and liquid suction tube 122 and ablation tube 123 one end are through needle tube 110 and extend to the outside, and guide tube 120 one end is installed with adjusting assembly, and round hole is symmetrically arranged in one side of guide tube 120, and liquid suction area and ablation area are communicated with delivery box 112 through the cooperation of round hole and centrifugal hole.
[0021] In some specific embodiments, the liquid suction tube 122 and the ablation tube 123 are fixedly installed with a connector 124 at one end, which makes the connection of the ablation needle and the external pipeline more convenient and stable. The existence of the connector 124 not only simplifies the connection process and reduces the operation difficulty, but also improves the reliability and sealing performance of the connection, thereby ensuring the smoothness and safety during the treatment process.
[0022] In some specific embodiments, the needle tube 110 is fixedly installed with an anti-skid ring 113 on the outside, which is made of rubber material. The anti-skid ring 113 can increase the friction between the hand and the needle tube 110, prevent misoperation or slipping caused by hand slipping, and thus ensure the accuracy and effectiveness of the treatment.
[0023] In some specific embodiments, the needle tube 110 is provided with a semi-ring hole, and the liquid suction tube 122 and the ablation tube 123 are fixedly installed with a protective sleeve 125 on the outside, which is in sliding connection with the inner wall of the semi-ring hole. This design not only provides additional protection for the liquid suction tube 122 and the ablation tube 123 to prevent them from bending or breaking under external force, but also enables the liquid suction tube 122 and the ablation tube 123 to move and adjust positions flexibly according to needs, thereby improving the flexibility and convenience of the treatment.
[0024] Please refer to Figure 4 , the adjusting assembly includes a first sleeve 130, a second sleeve 131, a cross plate 132 and a positioning column 133. The liquid guide tube 120 is fixedly installed with the first sleeve 130 at one end, the second sleeve 131 is slidingly sleeved with the first sleeve 130 at one end, the spring 134 is fixedly installed between the inner wall of the first sleeve 130 and the inner wall of the second sleeve 131, the limiting block 135 is fixedly installed on the outside of the first sleeve 130 in a symmetrical manner, the first sleeve 130 is provided with a limiting groove matched with the limiting block 135, the second sleeve 131 is slidingly penetrated through the needle tube 110 and extends to the outside at one end, the cross plate 132 is fixedly installed on the outside of the second sleeve 131, the needle tube 110 is fixedly installed with the positioning column 133 in a symmetrical manner at one end, the cross plate 132 is provided with a positioning hole matched with the positioning column 133, the positioning column 133 is in sliding connection with the inner wall of the positioning hole, the positioning column 133 coincides with the axis of the circular hole, the pull block 136 is fixedly installed at one end of the second sleeve 131, and the transverse section of the pull block 136 is provided in a T shape.
[0025] In some specific embodiments, the needle tube 110 is fixedly installed with a limiting plate 137 at one end, and the limiting plate 137 is arranged in parallel with the two positioning columns 133. A gap is provided between the limiting plate 137 and the second sleeve 131. This design not only enhances the overall structural stability of the ablation needle, but also provides reliable limiting and positioning functions for the switching operation of the adjusting assembly. The existence of the limiting plate 137 prevents the second sleeve 131 from exceeding the specified range or position during movement, thereby ensuring the accuracy and safety of the switching operation.
[0026] Working principle: in use, through the connecting head 124 can be connected with the pipeline of the outside world, at this time the round hole of the liquid extraction area is aligned with the centrifugal hole, at this time the sac liquid can be extracted, when the extraction is completed, the second sleeve 131 is moved by pulling the pull block 136, the second sleeve 131 moves and drives the horizontal plate 132 to move away from the positioning column 133, at the same time the spring 134 is stretched, at this time the second sleeve 131 is moved back to the horizontal plate 132 by the pulling force of the spring 134 after the pull block 136 is rotated to 180° and the hand is released, at this time the round hole of the ablation area is aligned with the centrifugal hole, and the ablation can be carried out.
[0027] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A cystic nodule treatment ablation needle, characterized by, The utility model provides a kind of needle tube and needle head, the needle tube one end fixed mounting delivery box, the delivery box one side fixed mounting the needle head, the delivery box other side is provided with centrifugal hole, the inner wall both sides of the needle tube are rotatably installed guide tube, the guide tube is separated into liquid extraction area and ablation area by partition, the liquid extraction area and the ablation area one side is provided with the round hole matched with the centrifugal hole, the liquid extraction area and the ablation area outside fixed mounting liquid extraction tube and ablation tube, the liquid extraction tube and the ablation tube one end penetrates to outside and extends to outside in the needle tube, the guide tube one end is equipped with adjusting assembly.
2. A cystic nodule treatment ablation needle according to claim 1, wherein, The liquid extraction tube and the ablation tube one end fixed mounting connector.
3. The cystic nodule treatment ablation needle of claim 1, wherein, The round hole is symmetrically arranged on one side of the guide tube, and the liquid extraction area and the ablation area are communicated with the delivery box through the round hole matched with the centrifugal hole.
4. The cystic nodule treatment ablation needle of claim 1, wherein, The needle tube is fixedly installed with an anti-skid ring outside.
5. The cystic nodule treatment ablation needle of claim 1, wherein, The needle tube is provided with a half-ring hole outside, and the liquid extraction tube and the ablation tube are fixedly installed with a protective sleeve outside.
6. A cystic nodule treatment ablation needle according to claim 1, wherein, The adjusting assembly comprises a first sleeve, a second sleeve, a cross plate and a positioning column, the guide tube is fixedly installed with the first sleeve at one end, the second sleeve is slidably sleeved with the first sleeve at one end, a spring is fixedly installed between the inner wall of the first sleeve and the inner wall of the second sleeve, the first sleeve is symmetrically fixedly installed with a limiting block outside, the first sleeve is provided with a limiting groove matched with the limiting block, the second sleeve is slidably penetrated into the needle tube and extended to the outside at one end, the cross plate is fixedly installed with the second sleeve outside, the needle tube is symmetrically fixedly installed with the positioning column at one end, and the cross plate is provided with a positioning hole matched with the positioning column.
7. A cystic nodule treatment ablation needle according to claim 6, wherein, The second sleeve is fixedly installed with a pull block at one end, and the transverse section of the pull block is T-shaped.
8. A cystic nodule treatment ablation needle according to claim 6, wherein, The needle tube is fixedly installed with a limiting plate at one end, and the limiting plate is parallelly arranged with the two positioning columns.