Pulmonary nodule puncture positioning needle
By designing a lung nodule puncture positioning needle with components such as a cap, a fixing ring, and a rotating ring, the problem of needle displacement and shaking during insertion has been solved, achieving greater stability and convenience.
Patent Information
- Application Number
- CN202422901612.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-11-27
AI Technical Summary
When the puncture positioning needle is inserted into the lung, it is prone to displacement or shaking due to touch by the operator or movement of the patient, and the lack of an effective positioning mechanism results in poor insertion stability.
A lung nodule puncture positioning needle was designed, comprising an installation cap, a fixing ring, a rotating ring, a sliding through hole, a sliding post, a pressing ring, a positioning ring, and a locking assembly. Through the combined use of these components, the puncture positioning needle can be stably fixed and adjusted to prevent displacement.
It improves the stability and convenience of the puncture positioning needle during insertion, ensures accurate positioning of the puncture needle, and reduces shaking and deviation.
Smart Images
Figure CN223731467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lung nodule puncture technical field, concretely is a lung nodule puncture positioning needle. BACKGROUND
[0002] The detection rate of isolated lung small nodules requiring surgical intervention is also increasing, and at present, CT-guided Hook-wire (positioning needle) puncture positioning and CT-guided spring coil puncture positioning are mainly used in clinical preoperative positioning of micro nodules. The puncture positioning needle is inserted into the lung for processing operation. When the puncture positioning needle contacts the skin, no positioning mechanism is provided, which is easy to cause the puncture positioning needle to shake.
[0003] The puncture positioning needle is easy to be touched by the operator or shaken by the patient's body, causing the puncture positioning needle to deviate or shake. The end of the puncture positioning needle is not provided with a positioning mechanism, and the positioning distance of the positioning mechanism is not convenient to adjust, which is easy to cause the stability of the puncture positioning needle inserted into the body to be low. Therefore, the technical personnel in the field provide a lung nodule puncture positioning needle to solve the problems raised in the above background technology. SUMMARY
[0004] The utility model aims at providing a lung nodule puncture positioning needle to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lung nodule puncture positioning needle, comprising the body of puncture positioning needle, the outside of the body and close to the end part is equipped with the installation cover, the outside of the installation cover and close to the fixed ring of one end, the fixed ring outside is equipped with the rotating ring, the rotating ring one side is equipped with the four sliding through holes of circumferential arrangement, the rotating ring inside is equipped with the positioning piece that slides and connects,
[0006] The lock catch assembly is installed between the rotating ring and the positioning piece, the fixed ring is fixedly connected with the installation cover, and the rotating ring is rotatably connected with the fixed ring.
[0007] Preferably, the positioning piece comprises a sliding column penetrating the inside of the sliding through hole, one end of the sliding column is connected with a pressing ring, the other end of the sliding column is connected with a positioning ring, a plurality of anti-skid blocks are circumferentially arranged on one side of the positioning ring, and the sliding column is slidably connected with the sliding through hole.
[0008] Preferably, the lock catch assembly comprises a movable cavity opened on one side of the rotating ring and located on the other side of the sliding through hole, an elastic frame is connected to the inside of the movable cavity, one side of the elastic frame is connected with a sliding plate, one side of the sliding plate is connected with a positioning block, a plurality of positioning grooves are uniformly arranged on one side of the sliding column, the sliding plate is slidably connected with the movable cavity, and the elastic frame is fixedly connected with the movable cavity and the sliding plate on both sides.
[0009] Preferably, a guide block is connected to the other side of the sliding through hole, a guide groove is formed on the other side of the sliding column, and the guide block is in sliding connection with the guide groove.
[0010] Preferably, three elastic members are connected to the inner side of the elastic frame, and the elastic members are fixedly connected with the elastic frame.
[0011] Preferably, an elastic sheet is fixedly connected to the inner side of the elastic member, and the elastic sheet is arc-shaped in cross section.
[0012] Preferably, an anti-skid part is connected to the outer side of the anti-skid block and close to the end.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. In the utility model, the fixing ring is T-shaped in cross section, the fixing ring can limit and fix the rotating ring, prevent the rotating ring from separating from the fixing ring, the rotating ring can rotate outside the fixing ring, the positioning piece can slide in the sliding through hole on one side of the rotating ring, the positioning piece is locked and fixed by the lock buckle assembly, the extension distance of the positioning piece is adjusted, the positioning piece positions and fixes the mounting cover through the fixing ring, and the body is prevented from deviating or shaking.
[0015] 2. In the utility model, the four sliding through holes provide sliding paths for the sliding columns, the pressing ring can extrude the positioning ring through the four sliding columns, the plurality of anti-skid blocks at the bottom of the positioning ring contact the skin of the patient, and the body is prevented from deviating or shaking.
[0016] 3. In the utility model, the elastic frame in the movable cavity can extrude and push the sliding plate, the positioning block on one side of the sliding plate is embedded in the positioning groove on one side of the sliding column, the four positioning blocks limit and fix the four sliding columns, and the convenience and stability of adjusting the sliding distance of the sliding column are improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a schematic view of the overall structure of the utility model;
[0018] Figure 2 It is a left view of the overall structure of the utility model;
[0019] Figure 3 It is a right view of the overall structure of the utility model; Figure 2 It is an enlarged view of A in the middle;
[0020] Figure 4 It is a sectional view of the overall structure of the utility model; Figure 2Enlarged view at B;
[0021] Figure 5 The structure diagram of the rotating ring, the sliding column, the pressing ring, the positioning ring, the anti-skid block and the anti-skid part in the overall structure of the utility model.
[0022] In the figure: 1, the body; 2, the mounting cover; 3, the fixed ring; 4, the rotating ring; 5, the sliding through hole; 6, the sliding column; 7, the pressing ring; 8, the positioning ring; 9, the anti-skid block; 10, the movable cavity; 11, the elastic frame; 12, the sliding plate; 13, the positioning block; 14, the positioning groove; 15, the guide block; 16, the guide groove; 17, the elastic piece; 18, the elastic sheet; 19, the anti-skid part. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] Please refer to Figures 1-5 In the embodiments of the utility model, a lung nodule puncture positioning needle, including the body 1 of puncture positioning needle, the mounting cover 2 is installed on the outside of the body 1 and close to the end, the fixed ring 3 is installed on the outside of the mounting cover 2 and close to one end, the rotating ring 4 is sleeved on the outside of the fixed ring 3, four sliding through holes 5 arranged in a circle are formed in one side of the rotating ring 4, the positioning piece is slidably connected to the inside of the rotating ring 4, the lock catch assembly is installed between the rotating ring 4 and the positioning piece, the fixed ring 3 is fixedly connected with the mounting cover 2, and the rotating ring 4 is rotatably connected with the fixed ring 3.
[0025] When in use, the fixed ring 3 is T-shaped in cross section, the fixed ring 3 can limit and fix the rotating ring 4, prevent the rotating ring 4 from separating from the fixed ring 3, the rotating ring 4 can rotate on the outside of the fixed ring 3, the positioning piece can slide in the sliding through hole 5 on one side of the rotating ring 4, and the positioning piece is locked and fixed by using the lock catch assembly, so as to adjust the extension distance of the positioning piece, and the positioning piece is used to position and fix the mounting cover 2 through the fixed ring 3, to prevent the body 1 from deviating or shaking.
[0026] In one embodiment, specifically, the positioning piece includes the sliding column 6 penetrating the inside of the sliding through hole 5, the pressing ring 7 is connected to one end of the sliding column 6, the positioning ring 8 is connected to the other end of the sliding column 6, a plurality of anti-skid blocks 9 are arranged in a circle on one side of the positioning ring 8, the anti-skid part 19 is connected to the outside of the anti-skid block 9 and close to the end, and the sliding column 6 is slidably connected with the sliding through hole 5.
[0027] The four sliding through holes 5 provide sliding paths for the four sliding columns 6, and the pressing ring 7 can extrude the positioning ring 8 through the four sliding columns 6, so that the plurality of anti-skid blocks 9 at the bottom of the positioning ring 8 are in contact with the skin of the patient, the anti-skid part 19 is arc-shaped in cross section, the anti-skid part 19 at the outer side of the end of the anti-skid block 9 is in contact with the skin, the anti-skid block 9 is prevented from sliding, and the comfort of the anti-skid block 9 in contact with the skin is improved, so that the body 1 is prevented from being affected and deviated or shaken.
[0028] Further, the lock assembly comprises a movable cavity 10 formed in one side of the rotating ring 4 and located on the other side of the sliding through hole 5, the inner side of the movable cavity 10 is connected with an elastic frame 11, one side of the elastic frame 11 is connected with a sliding plate 12, one side of the sliding plate 12 is connected with a positioning block 13, a plurality of positioning grooves 14 are uniformly arranged on one side of the sliding column 6, three elastic members 17 are connected to the inner side of the elastic frame 11, the inner side of the elastic member 17 is fixedly connected with an elastic sheet 18, the elastic sheet 18 is arc-shaped in cross section, the elastic member 17 is fixedly connected with the elastic frame 11, a guide block 15 is connected to the other side of the sliding through hole 5, a guide groove 16 is formed on the other side of the sliding column 6, the guide block 15 is slidably connected with the guide groove 16, the sliding plate 12 is slidably connected with the movable cavity 10, and the elastic frame 11 is fixedly connected with the movable cavity 10 and the sliding plate 12 on both sides.
[0029] In one embodiment, specifically, the elastic frame 11 in the movable cavity 10 can extrude and push the sliding plate 12, the elastic member 17 can support the elastic frame 11, the elastic sheet 18 can support the elastic member 17, the strength of the elastic member 17 supporting the elastic frame 11 is improved, the sliding column 6 slides in the sliding through hole 5, the guide block 15 slides in the guide groove 16 at the same time, the guide block 15 guides and positions the sliding column 6, then the positioning block 13 on one side of the sliding plate 12 is embedded in the positioning groove 14 on one side of the sliding column 6, so that the four positioning blocks 13 position and fix the four sliding columns 6, and the convenience and stability of adjusting the sliding distance of the sliding column 6 are improved.
[0030] The working principle of the utility model:
[0031] First, the body 1 is inserted into the patient's body, then the pressing ring 7 pushes the sliding column 6 to slide in the sliding through hole 5, at this time the guide block 15 in the sliding through hole 5 slides in the guide groove 16, at this time the elastic frame 11 in the movable cavity 10 extrudes and pushes the sliding plate 12, at the same time the elastic member 17 supports the elastic frame 11, at the same time the elastic sheet 18 supports the elastic member 17, then the positioning block 13 on one side of the sliding plate 12 is embedded in the positioning groove 14 on one side of the sliding column 6, then the plurality of anti-skid blocks 9 at the bottom of the positioning ring 8 on the other end of the sliding column 6 are in contact with the skin of the patient, at the same time the anti-skid part 19 at the outer side of the anti-skid block 9 is in contact with the skin of the patient, so as to position and fix the installation cover 2 through the fixed ring 3 on the inner side of the rotating ring 4.
[0032] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A lung nodule puncture positioning needle comprising a body (1) of the puncture positioning needle, characterized in that: The body (1) outside and close to the end is provided with a mounting cover (2), the mounting cover (2) outside and close to one end is provided with a fixed ring (3), the fixed ring (3) outside is provided with a rotating ring (4), one side of the rotating ring (4) is provided with four sliding through holes (5) arranged in a circle, and the rotating ring (4) is slidably connected with a positioning piece; The rotating ring (4) and the positioning piece are provided with a lock assembly, the fixed ring (3) and the mounting cover (2) are fixedly connected, and the rotating ring (4) and the fixed ring (3) are rotatably connected.
2. The lung nodule puncture positioning needle according to claim 1, characterized in that: The positioning piece comprises a sliding column (6) penetrating into the sliding through hole (5), one end of the sliding column (6) is connected with a pressing ring (7), the other end of the sliding column (6) is connected with a positioning ring (8), a plurality of anti-skid blocks (9) are arranged in a circle on one side of the positioning ring (8), and the sliding column (6) is slidably connected with the sliding through hole (5).
3. The lung nodule puncture positioning needle according to claim 2, characterized in that: The lock assembly comprises a movable cavity (10) formed in one side of the rotating ring (4) and located on the other side of the sliding through hole (5), the movable cavity (10) is connected with an elastic frame (11) on the inner side, the elastic frame (11) is connected with a sliding plate (12) on one side, the sliding plate (12) is connected with a positioning block (13) on one side, a plurality of positioning grooves (14) are uniformly arranged on one side of the sliding column (6), the sliding plate (12) is slidably connected with the movable cavity (10), and the elastic frame (11) is fixedly connected with the movable cavity (10) and the sliding plate (12) on both sides.
4. The lung nodule puncture positioning needle according to claim 2, characterized in that: The other side of the sliding through hole (5) is connected with a guide block (15), the other side of the sliding column (6) is provided with a guide groove (16), and the guide block (15) is slidably connected with the guide groove (16).
5. The lung nodule puncture positioning needle according to claim 3, characterized in that: The elastic frame (11) is connected with three elastic pieces (17) on the inner side, and the elastic pieces (17) are fixedly connected with the elastic frame (11).
6. The lung nodule puncture positioning needle according to claim 5, characterized in that: The elastic pieces (17) are fixedly connected with elastic sheets (18) on the inner side, and the elastic sheets (18) are arc-shaped in cross section.
7. The lung nodule puncture positioning needle according to claim 2, characterized in that: The anti-skid blocks (9) are connected with anti-skid portions (19) on the outer side and close to the end.