Percutaneous puncture structure and surgical robot thereof
By designing a surgical robot that includes mounting columns, mounting sleeves and locking components, the inconvenience of installation and removal of the puncture needle is solved, and quick and convenient operation is achieved.
Patent Information
- Application Number
- CN202420796334.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-17
AI Technical Summary
In existing surgical robots, the installation and removal of puncture needles require the use of wrench tools, which is inconvenient to operate.
A percutaneous puncture structure is designed, including a mounting column, a mounting sleeve and a locking assembly, and the rapid locking and disassembly of the mounting column is achieved through the cooperation of the unlocking sleeve and the positioning rod.
It realizes rapid installation and disassembly of puncture needles, simplifies the operation process, and improves the convenience of using surgical robots.
Smart Images

Figure CN222584611U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of surgery, in particular to a percutaneous puncture structure and a surgical robot thereof. Background Art
[0002] During percutaneous puncture of a patient, a robot is usually used to drive a mechanical arm to drive the puncture needle for puncture, and the robot is equipped with optical, imaging equipment or ultrasound imaging technology to display the tissue under the skin for easy puncture.
[0003] When installing the puncture needle, it is usually installed directly on the robot drive arm using a fixing piece and a fixing bolt. However, the bolt locking method requires a wrench tool to disassemble it, which is not convenient for direct disassembly or installation. Utility Model Content
[0004] The purpose of the utility model is to provide a percutaneous puncture structure and a surgical robot thereof to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a percutaneous puncture structure, comprising a mounting post, a puncture needle being fixedly mounted on one side of the mounting post;
[0006] The outer wall of the mounting column is slidably sleeved with a mounting sleeve, and the mounting sleeve is provided with a locking assembly for fixing the mounting column, and the locking assembly includes:
[0007] A positioning rod, the outer wall of which is slidably engaged with the mounting sleeve, and the positioning rod is used to engage and limit the mounting column;
[0008] An unlocking sleeve is rotatably arranged on the outer wall of the mounting sleeve, and the unlocking sleeve is used to limit the positioning rod.
[0009] Preferably, the outer wall of the mounting column is symmetrically provided with positioning grooves, the outer wall of the positioning rod is slidably engaged with the inner cavity of the positioning groove, the inner wall of the unlocking sleeve is symmetrically provided with limiting grooves, and one end of the positioning rod is squeezed and fitted with one side of the inner wall of the limiting groove.
[0010] Preferably, the inner wall of the mounting sleeve is provided with a plurality of connecting grooves, a first fixing block is fixedly connected to one side of the inner wall of the connecting groove, a second fixing block is symmetrically fixedly connected to the outer wall of the positioning rod, and a reset spring is arranged between the first fixing block and the second fixing block.
[0011] Preferably, a guide rod is fixedly connected between the first fixed block and the inner wall of the connecting groove, the outer wall of the guide rod is slidably inserted and sleeved with the second fixed block, and the outer wall of the guide rod is slidably sleeved with the return spring.
[0012] Preferably, the inner wall of the unlocking sleeve is provided with a plurality of sliding blocks, the outer wall of the mounting sleeve is provided with a plurality of arc grooves, and the outer wall of the sliding block is slidably sleeved with the inner cavity of the arc groove.
[0013] Preferably, the inner cavity of the arc groove is slidably sleeved with a limit spring corresponding to the slider, the outer wall of the unlocking sleeve is slidably inserted and sleeved with a plurality of inner bolts, and one end of the outer wall of the inner bolt is threadably inserted and sleeved with the slider.
[0014] Preferably, one end of the mounting column is fixedly connected to a connecting piece, the top of the outer wall of the puncture needle is slidably sleeved with the connecting piece, and one side of the connecting piece is threadedly sleeved with a fixing bolt for locking the puncture needle.
[0015] Another object of the present utility model is to provide a surgical robot, wherein the surgical robot comprises the above-mentioned percutaneous puncture structure.
[0016] Technical effects and advantages of the utility model:
[0017] The utility model utilizes the coordinated use of a puncture needle, a mounting sleeve, a mounting column and a locking assembly. The locking assembly includes an unlocking sleeve and a positioning rod, so that the mounting column is installed inside the mounting sleeve. The positioning rod can lock the mounting card under the limitation of the unlocking sleeve. The unlocking sleeve is rotated to release the limitation of the positioning rod, and the positioning rod is separated from the mounting column under the action of a reset spring, so that the mounting column and the puncture needle can be directly removed. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the front structure of the utility model.
[0019] Figure 2 This is a schematic diagram of the internal structure of the front side of the installation sleeve of the utility model.
[0020] Figure 3 This is a schematic diagram of the internal structure of the unlocking sleeve on the side of the utility model.
[0021] Figure 4 This is a schematic diagram of the internal structure of the side of the installation sleeve of the utility model.
[0022] In the figure: 1. puncture needle; 2. mounting sleeve; 3. mounting column; 4. locking assembly; 41. unlocking sleeve; 42. positioning rod; 43. limiting groove; 44. connecting groove; 45. first fixing block; 46. guide rod; 47. second fixing block; 48. reset spring; 49. sliding block; 410. inner bolt; 411. arc groove; 412. limiting spring; 5. connecting piece; 6. fixing bolt. DETAILED DESCRIPTION
[0023] 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.
[0024] The utility model provides Figure 1-4 The percutaneous puncture structure shown in the figure includes a mounting column 3, a puncture needle 1 is fixedly mounted on one side of the mounting column 3, a mounting sleeve 2 is slidably sleeved on the outer wall of the mounting column 3, and a locking component 4 for fixing the mounting column 3 is arranged on the mounting sleeve 2. The locking component 4 includes a positioning rod 42, the outer wall of the positioning rod 42 is slidably engaged with the mounting sleeve 2, the positioning rod 42 is used to limit the mounting column 3, and an unlocking sleeve 41 is rotatably arranged on the outer wall of the mounting sleeve 2, and the unlocking sleeve 41 is used to limit the positioning rod 42. The outer wall of the mounting column 3 is symmetrically provided with positioning grooves, and the outer wall of the positioning rod 42 is slidably engaged with the inner cavity of the positioning groove, so that the positioning rod 42 is slidably engaged with the positioning groove, and the mounting column 3 can be locked. The positioning rod 42 is separated from the mounting column 3, and the mounting column 3 can be directly pulled out, so that the puncture needle 1 is disassembled, and the inner wall of the unlocking sleeve 41 is symmetrically provided with limiting grooves 43, and one end of the positioning rod 42 is pressed and fitted with one side of the inner wall of the limiting groove 43.
[0025] Furthermore, the inner wall of the mounting sleeve 2 is provided with a plurality of connecting grooves 44, one side of the inner wall of the connecting groove 44 is fixedly connected with a first fixing block 45, and the outer wall of the positioning rod 42 is symmetrically fixedly connected with a second fixing block 47, and a return spring 48 is arranged between the first fixing block 45 and the second fixing block 47. The depths of the two sides of the inner cavity of the limiting groove 43 on the unlocking sleeve 41 are different, so that the unlocking sleeve 41 is rotated counterclockwise relative to the mounting sleeve 2 so that the positioning rod 42 corresponds to the other side of the upper limit groove 43 of the unlocking sleeve 41. Under the action of the return spring 48, the positioning rod 42 can be slidably separated from the mounting column 3. When the positioning rod 42 is in contact with one side of the inner cavity of the limiting groove 43, the unlocking sleeve 41 can squeeze the positioning rod 42 so that the positioning rod 42 is clamped with the mounting column 3. A guide rod 46 is fixedly connected between the first fixing block 45 and the inner wall of the connecting groove 44, and the outer wall of the guide rod 46 is slidably inserted and sleeved with the second fixing block 47, and the outer wall of the guide rod 46 is slidably sleeved with the return spring 48.
[0026] Furthermore, the inner wall of the unlocking sleeve 41 is provided with a plurality of sliders 49, and the outer wall of the mounting sleeve 2 is provided with a plurality of arc grooves 411. The outer wall of the slider 49 is slidably sleeved with the inner cavity of the arc groove 411. The slider 49 can enable the unlocking sleeve 41 and the mounting sleeve 2 to maintain a stable rotational connection state. The inner cavity of the arc groove 411 is slidably sleeved with a limit spring 412 corresponding to the slider 49, and the limit spring 412 is located on the counterclockwise side of the slider 49, so that the limit spring 412 can give the slider 49 and the unlocking sleeve 41 a clockwise elastic force, and then the unlocking sleeve 41 can be in a stable state to clamp and limit the positioning rod 42, and the outer wall of the unlocking sleeve 41 is slidably sleeved with a plurality of inner bolts 410, and one end of the outer wall of the inner bolt 410 is threadedly sleeved with the slider 49.
[0027] Specifically, one end of the mounting column 3 is fixedly connected to a connecting piece 5, the top of the outer wall of the puncture needle 1 is slidably sleeved with the connecting piece 5, and one side of the connecting piece 5 is threadedly inserted and sleeved with a fixing bolt 6 for locking the puncture needle 1. After removing the mounting column 3, the mounting column 3 and the puncture needle 1 can be directly taken to the designated position for placement or cleaning, and one end of the mounting sleeve 2 is fixedly installed with the mechanical arm on the surgical robot.
[0028] like Figure 1 As shown, this embodiment provides a surgical robot, which includes the above-mentioned percutaneous puncture structure.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A percutaneous puncture structure, comprising a mounting post (3), a puncture needle (1) being fixedly mounted on one side of the mounting post (3); It is characterized in that The outer wall of the mounting column (3) is slidably sleeved with a mounting sleeve (2), and the mounting sleeve (2) is provided with a locking assembly (4) for fixing the mounting column (3), and the locking assembly (4) comprises: A positioning rod (42), the outer wall of which is slidably engaged with the mounting sleeve (2), and the positioning rod (42) is used to engage and limit the mounting column (3); An unlocking sleeve (41) is rotatably disposed on the outer wall of the mounting sleeve (2), and the unlocking sleeve (41) is used to limit the positioning rod (42).
2. A percutaneous puncture structure according to claim 1, characterized in that: The outer wall of the mounting column (3) is symmetrically provided with positioning grooves, the outer wall of the positioning rod (42) is slidably engaged with the inner cavity of the positioning groove, the inner wall of the unlocking sleeve (41) is symmetrically provided with limiting grooves (43), and one end of the positioning rod (42) is pressed and fitted with one side of the inner wall of the limiting groove (43).
3. A percutaneous puncture structure according to claim 1, characterized in that: The inner wall of the installation sleeve (2) is provided with a plurality of connection grooves (44), a first fixing block (45) is fixedly connected to one side of the inner wall of the connection groove (44), the outer wall of the positioning rod (42) is symmetrically fixedly connected to a second fixing block (47), and a return spring (48) is provided between the first fixing block (45) and the second fixing block (47).
4. A percutaneous puncture structure according to claim 3, characterized in that: A guide rod (46) is fixedly connected between the first fixed block (45) and the inner wall of the connecting groove (44); the outer wall of the guide rod (46) is slidably inserted and sleeved with the second fixed block (47); and the outer wall of the guide rod (46) is slidably sleeved with the return spring (48).
5. A percutaneous puncture structure according to claim 1, characterized in that: The inner wall of the unlocking sleeve (41) is provided with a plurality of sliding blocks (49), the outer wall of the mounting sleeve (2) is provided with a plurality of arc grooves (411), and the outer wall of the sliding block (49) is slidably sleeved with the inner cavity of the arc groove (411).
6. A percutaneous puncture structure according to claim 5, characterized in that: The inner cavity of the circular arc groove (411) is slidably sleeved with a limit spring (412) corresponding to the slider (49), and the outer wall of the unlocking sleeve (41) is slidably inserted and sleeved with a plurality of inner bolts (410), and one end of the outer wall of the inner bolt (410) is threadedly inserted and sleeved with the slider (49).
7. A percutaneous puncture structure according to claim 1, characterized in that: One end of the mounting column (3) is fixedly connected to a connecting piece (5), the top of the outer wall of the puncture needle (1) is slidably sleeved with the connecting piece (5), and one side of the connecting piece (5) is threadedly sleeved with a fixing bolt (6) for locking the puncture needle (1).
8. A surgical robot, characterized in that: The surgical robot comprises the percutaneous puncture structure as described in any one of claims 1-7.