Orthopedic tracking frame

Abstract

The utility model discloses a tracking frame for the orthopedics department. The orthopedic tracking frame comprises a reference plate, a pressing mechanism and a clamping mechanism, the reference plate is connected with the pressing mechanism, and the clamping mechanism is installed on the pressing mechanism; the clamping mechanisms are provided with rotating joints, the rotating joints are installed on the pressing mechanism, the clamping mechanisms are provided with clamping parts used for clamping medical tools, and the number of the clamping mechanisms is at least two. The technical problems that in an orthopedic operation, an orthopedic tracking frame needs to be fixed to two kirschner wires, due to the fact that experience and technology of doctors are insufficient, the operation difficulty is large, fixing cannot be achieved or is not firm easily, and meanwhile the operation positioning precision is easily affected and reduced are solved.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and more specifically, to an orthopedic tracking frame. Background Technology

[0002] The development of surgical robots has brought new treatment options to countless patients, providing new technological solutions for precise, minimally invasive, and efficient procedures. Currently, the surgical robot industry includes neurosurgical robots, spinal surgery robots, oral surgery robots, and laparoscopic surgery robots. Surgical robots utilize positioning devices, robotic arms, and surgical navigation systems in close coordination to achieve precise surgical navigation and positioning for patients. Navigation software enables patient registration, surgical planning, and ultimately, the control of the robotic arm and its end-effectors assists surgeons in performing operations.

[0003] In surgical robot navigation and positioning, optical positioning equipment is required for patient localization. This equipment (e.g., optical tracking locator) identifies and positions the patient. However, during identification, positioning markers (locating identifiers) are used to work with the optical positioning equipment to establish the spatial relationship between the equipment and the patient. Existing positioning markers need to be fixed to the patient, which sometimes leads to inconvenience and insecure fixation, affecting positioning accuracy. In orthopedic surgery, especially spinal surgery, bone screws or Kirschner wires are used to fix the positioning markers to the patient. Existing orthopedic tracking frames require two Kirschner wires fixed to the bone or spine to be parallel and perpendicular. However, in practice, surgeons often find it difficult to achieve this based on experience and intuition, greatly increasing the difficulty of operation and increasing the likelihood of insecure or improper fixation, leading to unstable surgical accuracy. This invention addresses the technical problems in orthopedic surgery where orthopedic tracking frames need to be fixed to two Kirschner wires, resulting in high operational difficulty, insecure or improper fixation, and reduced surgical positioning accuracy due to insufficient surgeon experience and skill. Utility Model Content

[0004] To address the aforementioned technical problems, this application provides an orthopedic tracking frame. This addresses the technical issues arising from the difficulty of fixing the tracking frame to two Kirschner wires during orthopedic surgery due to insufficient surgeon experience and skill, leading to inadequate or unstable fixation and reduced surgical positioning accuracy. This technical solution, through the inclusion of a rotational joint adjustment structure and a locking mechanism, allows the tracking frame to accommodate bone screws or Kirschner wires at more angles and positions. This reduces the surgeon's operational difficulty, ensures more secure fixation, and ultimately better guarantees the precision and stability of the surgery.

[0005] To achieve the above objectives, according to one aspect of this application, an orthopedic tracking frame is provided, comprising: a reference plate, a clamping mechanism, and a clamping mechanism. The reference plate is connected to the clamping mechanism, and the clamping mechanism is mounted on the clamping mechanism. The clamping mechanism has a rotary joint mounted on the clamping mechanism, and a clamping portion for clamping medical instruments. The number of clamping mechanisms is at least two. The reference plate primarily serves to provide a recognizable reference plate for positioning devices (e.g., optical tracking positioning devices), assisting in calculating spatial positional relationships. The clamping mechanism is used to clamp and release the rotary joint, allowing the joint to be adjusted to multiple angles, efficiently assisting the surgeon in surgical operations. The presence of at least two clamping mechanisms is primarily due to their greater stability and reduced wobbling, thus minimizing the impact on accuracy errors and improving surgical precision. The clamping portion is mainly used to clamp medical instruments.

[0006] Preferably, the pressing mechanism is provided with a first pressing block, a second pressing block and a first locking knob. The first locking knob connects the first pressing block and the second pressing block by turning and locking and releasing, so as to lock and release the rotating joint.

[0007] Preferably, the first pressure block and the second pressure block are symmetrically arranged, and both the first pressure block and the second pressure block are provided with grooves that match the rotating joint.

[0008] Preferably, the first locking knob is screwed into the through hole in the middle of the first and second pressure blocks.

[0009] Preferably, a limiting post is provided between the first pressing block and the second pressing block. The limiting post is inserted into the first pressing block and the second pressing block to limit the position of the first pressing block and the second pressing block. The limiting post prevents the first pressing block and the second pressing block from directly separating, and also facilitates the installation of the first pressing block and the second pressing block.

[0010] Preferably, the rotary joint is a ball joint.

[0011] Preferably, the clamping mechanism is provided with a second locking knob, and the clamping part is provided with a through hole for installing a medical tool, the medical tool passing through the through hole, and the second locking knob locks the medical tool in the through hole.

[0012] Preferably, the axis of the second locking knob is perpendicular to the through hole for mounting the medical tool.

[0013] Preferably, the reference plate is provided with positioning markers for identification and positioning by the positioning device. There are at least three positioning markers, and at least three of them are not on the same straight line. This is done to better identify and calculate spatial relationships.

[0014] Preferably, the reference plate has a first connecting part at its end, and the clamping mechanism has a second connecting part. The first connecting part and the second connecting part are fastened and loosened by a third locking knob.

[0015] Preferably, the connection between the first connecting part and the second connecting part is a toothed structure, and the two toothed structures mesh together to make the connection more stable.

[0016] In this embodiment, a reference plate, a clamping mechanism, and a clamping mechanism are used in cooperation. The reference plate is connected to the clamping mechanism, and the clamping mechanism is mounted on the clamping mechanism. The clamping mechanism is equipped with a rotary joint, which is installed in the middle of the clamping mechanism. The clamping mechanism is also equipped with a clamping part for clamping medical instruments. There are at least two clamping mechanisms. The main function of the reference plate is to provide a recognizable reference plate for positioning devices (e.g., optical tracking positioning devices), serving as a reference plate to assist in positioning and calculating spatial positional relationships. The clamping mechanism is used to clamp and release the rotary joint, allowing the rotary joint to be adjusted to multiple angles, thus efficiently assisting the surgeon in surgical operations. The presence of at least two clamping mechanisms is primarily due to their greater stability and reduced wobbling, thereby minimizing the impact on accuracy errors and improving surgical precision. The clamping part is mainly used to clamp medical instruments.

[0017] This invention solves the technical problems of difficulty in operation and instability in orthopedic tracking frames that need to be fixed to two Kirschner wires during orthopedic surgery due to insufficient experience and skills of doctors. It also reduces the accuracy of surgical positioning. The invention facilitates operation for doctors, reduces the inconvenience caused by the position of Kirschner wires, has multi-angle adjustment and better practicality, and has a simple structure that is easy to install and use. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:

[0019] Figure 1 This application describes a three-dimensional structure of an orthopedic tracking frame according to an embodiment of the present application. Figure 1 (Image after the limit pin has been pulled out);

[0020] Figure 2 This application describes a three-dimensional structure of an orthopedic tracking frame according to an embodiment of the present application. Figure 2 (Angle of inclination from top to bottom);

[0021] Figure 3 This application describes a three-dimensional structure of an orthopedic tracking frame according to an embodiment of the present application. Figure 3 ;

[0022] The numbers in the diagram represent: 1. Reference plate; 11. Positioning mark; 12. First connecting part; 2. Pressing mechanism; 21. First pressing block; 22. Second pressing block; 23. First locking knob; 24. Limiting post; 25. Second connecting part; 3. Clamping mechanism; 31. Rotary joint; 32. Clamping part; 33. Second locking knob; 4. Third locking knob; 5. Medical tool. Detailed Implementation

[0023] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0024] It should be noted that the term "comprising" in the specification, claims, and accompanying drawings of this application is intended to cover a non-exclusive inclusion. In this application, the terms "upper," "lower," "left," "right," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily used to better describe this application and its embodiments and are not intended to limit the indicated components to having a specific orientation. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] like Figure 1-3As shown, this application relates to an orthopedic tracking frame, which includes: a reference plate 1, a clamping mechanism 2, and a clamping mechanism 3. The reference plate 1 is connected to the clamping mechanism 2, and the clamping mechanism 3 is mounted on the clamping mechanism 2. The clamping mechanism 3 is provided with a rotating joint 31, which is installed in the middle of the clamping mechanism 2. In this embodiment, the rotating joint 31 is a ball joint. The clamping mechanism 3 is provided with a clamping part 32 for clamping medical tools 5. The clamping mechanism 3 is mainly used to clamp medical tools 5 such as Kirschner wires, bone needles, and bone screws. The medical tools 5 include, but are not limited to, Kirschner wires, bone needles, bone screws, drill bits, etc. There are two clamping mechanisms 3. The main function of the reference plate 1 is to provide a recognizable reference plate 1 for positioning equipment (e.g., an optical tracking positioning instrument), and to assist in the calculation of spatial positional relationships. The clamping mechanism 2 is used to clamp and release the ball joint, so that the ball joint can be adjusted to multiple angles arbitrarily, which can efficiently assist doctors in performing surgical operations. There are two clamping mechanisms 3. Their main function is to provide greater stability and reduce the likelihood of wobbling, thereby minimizing the impact on precision errors and improving surgical accuracy. The clamping part 32 is mainly used to clamp medical instruments.

[0027] like Figure 1-2 As shown, the clamping mechanism 2 is provided with a first clamping block 21, a second clamping block 22 and a first locking knob 23. The first locking knob 23 connects the first clamping block 21 and the second clamping block 22 and locks and releases them to achieve the locking and releasing of the ball joint.

[0028] like Figure 1-2 As shown, the first pressing block 21 and the second pressing block 22 are symmetrically arranged. The first pressing block 21 and the second pressing block 22 have the same shape. Both the first pressing block 21 and the second pressing block 22 are provided with grooves that match the ball joint.

[0029] like Figure 1-2 As shown, the first locking knob 23 is located in the middle through hole of the first pressure block 21 and the second pressure block 22.

[0030] like Figure 1-2 As shown, a limiting post 24 is provided between the first pressing block 21 and the second pressing block 22. The limiting post 24 is inserted into the first pressing block 21 and the second pressing block 22 to limit their positions. The limiting post 24 prevents the first pressing block 21 and the second pressing block 22 from disengaging directly, and also facilitates the installation of the first pressing block 21 and the second pressing block 22. The limiting post also serves to prevent the ball joint from falling off.

[0031] like Figure 1-2 As shown, the clamping mechanism 3 is provided with a second locking knob 33, and the clamping part 32 is provided with a through hole for installing the medical tool 5. The medical tool 5 passes through the through hole, and the second locking knob 33 holds the medical tool by turning it to lock the medical tool 5 in the through hole.

[0032] like Figure 1-2 As shown, the axis of the second locking knob 33 is perpendicular to the through hole for mounting the medical tool 5. That is, the locking direction of the second locking knob 33 is perpendicular to the axis of the through hole for mounting the medical tool 5 located in the clamping part 32. Of course, in actual manufacturing, it may not be 100% perpendicular; a deviation of 1° to 3° should be considered a manufacturing error. A perpendicular design makes locking easier.

[0033] like Figure 1-2 As shown, reference plate 1 has three positioning markers 11 for identification and positioning by the positioning device. These three positioning markers 11 are not aligned in a straight line. This is done to better identify and calculate spatial relationships. The positioning markers 11 are generally arranged in a staggered pattern of black and white blocks, similar to a QR code.

[0034] like Figure 1-3 As shown, the reference plate 1 has a first connecting part 12 at its end, and the clamping mechanism 2 has a second connecting part 25. The first connecting part 12 and the second connecting part 25 are fastened and loosened by a third locking knob 4. The first connecting part 12 is a connecting rod, and the second connecting part 25 is a connecting rod. The connection between the first connecting part 12 and the second connecting part 25 is a toothed structure, which meshes with the first connecting part 12 to make the connection more stable. This design is for better installation and disassembly, and also for better disinfection. When a part is damaged, the whole unit does not need to be replaced.

[0035] In this embodiment, a reference plate 1, a clamping mechanism 2, and a clamping mechanism 3 are used in cooperation. The reference plate 1 is connected to the clamping mechanism 2, and the clamping mechanism 3 is mounted on the clamping mechanism 2. The clamping mechanism 3 is equipped with a rotary joint 31, which is a ball joint, and is installed in the middle of the clamping mechanism 2. The clamping mechanism 3 is equipped with a clamping part 32 for clamping the medical instrument 5. There are two clamping mechanisms 3. The main function of the reference plate 1 is to provide a recognizable reference plate 1 for positioning equipment (e.g., an optical tracking positioning device), and to assist in the calculation of spatial positional relationships. The clamping mechanism 2 is used to clamp and release the rotary joint 31, allowing the rotary joint 31 to be adjusted to multiple angles arbitrarily, which can efficiently assist the doctor in performing surgical operations. There are two clamping mechanisms 3, mainly because two are more stable and less prone to shaking, thereby reducing the impact on accuracy errors and improving surgical accuracy. The clamping part 32 is mainly used to clamp the medical instrument. This invention solves the technical problems of difficulty in operation and instability in orthopedic tracking frames that need to be fixed to two Kirschner wires during orthopedic surgery due to insufficient experience and skills of doctors. It also reduces the accuracy of surgical positioning. The invention facilitates operation for doctors, reduces the inconvenience caused by the position of Kirschner wires, has multi-angle adjustment and better practicality, and has a simple structure that is easy to install and use.

[0036] The orthopedic tracking frame in this application can also be applied to other navigation systems, such as neurosurgical navigation and positioning aids or trauma orthopedics. Due to its excellent applicability and wide range of applications, it can also be used in other surgical navigation tools.

[0037] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An orthopaedic tracking jig, characterized by, The utility model relates to a medical tool positioning device, including: Reference board (1), compression mechanism (2) and clamping mechanism (3), reference board (1) is connected with compression mechanism (2), clamping mechanism (3) is installed on compression mechanism (2), be equipped with rotary joint (31) on clamping mechanism (3), the rotary joint is installed on compression mechanism, be equipped with the clamping part (32) for clamping medical tool on clamping mechanism, the quantity of clamping mechanism (3) is at least 2.

2. The orthopedic tracking jig of claim 1, wherein, First compression block (21), second compression block (22) and first locking knob (23) are equipped on compression mechanism (2), first locking knob connects first compression block and second compression block and carries out locking and loosening, to realize the locking and loosening of rotary joint.

3. The orthopedic tracking arch of claim 2, wherein, First compression block (21), second compression block (22) are symmetrically set up, and recess is equipped on first compression block and second compression block and matched with rotary joint.

4. The orthopedic tracking arch of claim 2, wherein, First locking knob is screwed in the middle through -hole of first compression block and second compression block.

5. The orthopedic tracking arch of claim 2, wherein, Limiting post (24) is further equipped between first compression block (21), second compression block (22), and limiting post inserts first compression block (21), second compression block (22).

6. The orthopedic tracking arch of claim 1, wherein, Rotary joint (31) is spherical joint.

7. The orthopedic tracking arch of claim 1, wherein, Second locking knob (33) is equipped on clamping mechanism (3), and through -hole for installing medical tool is equipped on clamping part, and second locking knob locks medical tool in through -hole.

8. The orthopedic tracking arch of claim 7, wherein, The axis of second locking knob is perpendicular to the through -hole for installing medical tool.

9. The orthopedic tracking arch of claim 1, wherein, Positioning mark (11) for identifying positioning of positioning equipment is equipped on reference board (1), and the positioning mark is at least 3, and at least three positioning marks are not on the same straight line.

10. The orthopedic tracking arch of claim 1, wherein, The end of reference board (1) is equipped with first connecting part (12), and second connecting part (25) is equipped on compression mechanism (2), and first connecting part and second connecting part are fastened and loosened through third locking knob (4).

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