CN108969085A - A kind of knee joint front and rear fork ligament reparation positioning sighting device - Google Patents
A kind of knee joint front and rear fork ligament reparation positioning sighting device Download PDFInfo
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- 210000000629 knee joint Anatomy 0.000 title claims abstract description 42
- 210000003041 ligament Anatomy 0.000 title claims abstract description 32
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 18
- 230000008439 repair process Effects 0.000 abstract description 11
- 208000002847 Surgical Wound Diseases 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003872 anastomosis Effects 0.000 description 1
- 210000001264 anterior cruciate ligament Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002967 posterior cruciate ligament Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
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Abstract
Description
技术领域technical field
本发明涉及医疗器械的技术领域，更具体地，涉及一种膝关节前后叉韧带修复定位瞄准装置。The present invention relates to the technical field of medical instruments, and more specifically, to a positioning and aiming device for repairing the anterior and posterior fork ligaments of the knee joint.
背景技术Background technique
膝关节交叉韧带断裂后造成膝关节的不稳定，出现一系列并发症。随着微创外科的快速发展，运用关节镜技术重建或修复膝关节前后交叉韧带已显示出创伤小、恢复快的优势。能准确定位的瞄准器的应用能够提高手术质量，减少患者痛苦。The rupture of the cruciate ligament of the knee joint leads to instability of the knee joint and a series of complications. With the rapid development of minimally invasive surgery, the use of arthroscopic techniques to reconstruct or repair the anterior and posterior cruciate ligaments of the knee has shown the advantages of less trauma and faster recovery. The application of an aimer capable of accurate positioning can improve the quality of surgery and reduce pain for patients.
目前，现有的膝关节前后叉韧带修复定位瞄准装置由主体、瞄准器、导向杆等部分组成，瞄准器和主体采用燕尾槽方式配合，导向杆和主体采用棘轮自锁方式锁定；通过导向杆内孔和瞄准器头部两点连线确定瞄准打孔的轨迹。然而，这种瞄准装置的尾部不能抓牢骨组织，在引导克氏针时易出现偏差，影响医生操作的灵活性和准确性。At present, the existing positioning and aiming device for repairing the anterior and posterior fork ligament of the knee joint is composed of a main body, a sight, and a guide rod. The line connecting the two points between the inner hole and the head of the sight determines the trajectory of the aiming hole. However, the tail of this aiming device cannot grasp the bone tissue, and it is prone to deviation when guiding the Kirschner wire, which affects the flexibility and accuracy of the doctor's operation.
发明内容Contents of the invention
本发明的目的在于克服现有技术的不足，提供一种膝关节前后叉韧带修复定位瞄准装置，外科医生可以根据手术具体情况选择不同的面、不同的角度进行重建修复膝关节交叉韧带着点的定位，操作的灵活性和准确性得以改善。The purpose of the present invention is to overcome the deficiencies of the prior art and provide a positioning and aiming device for repairing the anterior and posterior fork ligaments of the knee joint. The surgeon can choose different planes and different angles to reconstruct and repair the point of the cruciate ligament of the knee joint according to the specific conditions of the operation. Positioning, operational flexibility and accuracy are improved.
为解决上述技术问题，本发明采用的技术方案是：In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
提供一种膝关节前后叉韧带修复定位瞄准装置，包括滑动连接的主体结构以及与膝关节骨组织紧贴设置的瞄准器，所述主体结构设有容纳瞄准器滑动的滑槽；所述主体结构的一端设有用于限制瞄准器与滑槽相对位置的紧固装置，另一端穿设有导向杆；所述导向杆内设有能够容纳克氏针或钻头通过的空腔；所述导向杆与主体结构活动连接。Provided is a knee joint anterior and posterior fork ligament repair positioning aiming device, comprising a slidingly connected main structure and an aimer arranged close to the bone tissue of the knee joint, the main structure is provided with a sliding groove for accommodating the aimer; the main structure One end is provided with a fastening device for limiting the relative position of the sight and the chute, and the other end is pierced with a guide rod; the guide rod is provided with a cavity capable of accommodating a Kirschner wire or a drill bit; the guide rod and Main structure active connection.
本发明的膝关节前后叉韧带修复定位瞄准装置，瞄准器相对主体结构滑动，可在紧固装置的作用下在主体结构的滑槽内紧固在不同的角度位置，瞄准器头部紧贴骨组织，导向杆指向瞄准器头部，克氏针、钻头都通过此轨迹定位打孔。本发明的整体结构轻巧、使用便利，能够让医生灵活、准确地操作控制。In the positioning and aiming device for repairing the anterior and posterior furrow ligaments of the knee joint of the present invention, the aimer slides relative to the main body structure, and can be fastened at different angle positions in the chute of the main body structure under the action of the fastening device, and the head of the aimer is close to the bone. Tissue, the guide rod points to the head of the sight, and the Kirschner wire and the drill bit are positioned and punched through this track. The overall structure of the invention is light and handy, easy to use, and can allow doctors to operate and control flexibly and accurately.
进一步地，所述瞄准器远离滑槽的一端设有与骨组织紧贴设置的瞄准部，所述导向杆轴线与瞄准部中心设于同一直线上。在使用时，瞄准部紧贴骨组织，导向杆穿过主体结构指向瞄准部，为克氏针、钻头的进入和退出确定轨迹，实现较好的定位效果。Further, the end of the aimer far away from the chute is provided with an aiming part closely attached to the bone tissue, and the axis of the guide rod is set on the same straight line as the center of the aiming part. When in use, the aiming part is close to the bone tissue, and the guide rod passes through the main structure to point to the aiming part to determine the trajectory for the entry and exit of the Kirschner wire and the drill bit to achieve a better positioning effect.
进一步地，所述瞄准器还设有连接部以及与滑槽配合的滑动部，所述瞄准部、连接部、滑动部顺次连接；所述滑动部为以瞄准部为圆心、以连接部两端的直线距离为半径的圆弧形结构。圆弧形结构的设置确保滑动部在滑槽中滑动调整紧固角度时瞄准部的位置能够保持不变，瞄准部的中心始终位于导向杆轴线的延长线上，紧固角度的调整不影响定位操作。Further, the sight is also provided with a connecting part and a sliding part matched with the chute, and the aiming part, connecting part and sliding part are connected in sequence; The straight-line distance from the end is an arc-shaped structure with a radius. The setting of the arc-shaped structure ensures that the position of the aiming part remains unchanged when the sliding part slides in the chute to adjust the fastening angle. The center of the aiming part is always located on the extension line of the axis of the guide rod, and the adjustment of the fastening angle does not affect the positioning operate.
进一步地，所述滑槽为与圆弧形结构配合的燕尾槽，所述圆弧结构的圆心角为40°~60°。燕尾槽的设置能够保证燕尾槽与滑动部的紧密接触，连接稳定牢靠，保证较好的定位效果。Further, the chute is a dovetail groove matched with an arc-shaped structure, and the central angle of the arc-shaped structure is 40°~60°. The setting of the dovetail groove can ensure the close contact between the dovetail groove and the sliding part, the connection is stable and reliable, and a good positioning effect is guaranteed.
进一步地，所述滑动部上设有用于标注紧固角度的刻度。设置40°、45°、50°、55°、60°的刻度，便于快速调整紧固角度。Further, the sliding part is provided with a scale for marking the fastening angle. Set the scale of 40°, 45°, 50°, 55°, 60° for quick adjustment of fastening angle.
进一步地，所述瞄准部为圆环状结构，所述圆环状结构的圆心设于导向杆轴线的延长线上，引导克氏针定位。Further, the aiming part is an annular structure, and the center of the annular structure is set on the extension line of the axis of the guide rod to guide the positioning of the Kirschner wire.
进一步地，所述瞄准部为圆弧结构，所述圆弧结构的圆心设于导向杆轴线的延长线上，避空引导克氏针定位。Further, the aiming part is an arc structure, and the center of the arc structure is set on the extension line of the axis of the guide rod, so as to guide the positioning of the Kirschner wire avoiding the space.
进一步地，所述瞄准部远离连接部的一端连接有向主体结构一侧弯曲的夹固部，以更好地抓牢骨组织，确保操作的准确性。Further, the end of the aiming part away from the connecting part is connected with a clamping part bent toward the main structure side, so as to better grasp the bone tissue and ensure the accuracy of the operation.
进一步地，所述导向杆外周均布有螺纹，所述主体结构上设有与导向杆配合的螺孔。操作时，将瞄准部紧贴骨组织，旋转导向杆向前推进使其紧固，确保后续的定位和钻孔工作顺利进行。Further, threads are evenly distributed on the outer circumference of the guide rod, and screw holes for matching with the guide rod are provided on the main body structure. During operation, the aiming part is pressed against the bone tissue, and the rotating guide rod is pushed forward to tighten it, so as to ensure the smooth progress of subsequent positioning and drilling.
进一步地，所述紧固装置为螺钉，所述螺钉的一端穿过主体结构与瞄准器接触设置。当需要调整紧固角度时，旋松螺钉即可调整；当调整至合适的紧固角度时，旋紧螺钉即可固定紧固角度。Further, the fastening device is a screw, and one end of the screw passes through the main structure and is arranged in contact with the sight. When the fastening angle needs to be adjusted, the screw can be loosened to adjust; when a suitable fastening angle is adjusted, the screw can be tightened to fix the fastening angle.
与现有技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:
（1）本发明将瞄准部紧贴骨组织、将瞄准部的中心设置在导向杆的轴线上，实现定位打孔的操作；本发明的整体结构轻巧、使用便利、定位准确，能够让医生灵活、准确地操作控制。(1) In the present invention, the aiming part is closely attached to the bone tissue, and the center of the aiming part is set on the axis of the guide rod to realize the operation of positioning and drilling; the overall structure of the present invention is light and handy, easy to use, and accurate in positioning, allowing doctors to flexibly , Accurate operation control.
（2）本发明的膝关节前后叉韧带修复瞄准装置，主体结构与瞄准器之间的紧固角度可以调整，并可通过紧固装置固定紧固角度，能够适用于不同病人的膝关节前后叉韧带的修复定位，应用范围广泛。(2) The aiming device for knee anterior and posterior fork ligament repair of the present invention, the fastening angle between the main structure and the aiming device can be adjusted, and the fastening angle can be fixed by the fastening device, which can be applied to the anterior and posterior fork of the knee joint of different patients Ligament repair positioning, a wide range of applications.
附图说明Description of drawings
图1为实施例一的膝关节前后叉韧带修复瞄准装置的结构示意图。Fig. 1 is a schematic structural view of an aiming device for repairing the anterior and posterior fork ligaments of the knee joint according to Embodiment 1.
图2为实施例一的膝关节前后叉韧带修复瞄准装置的瞄准器的结构示意图。Fig. 2 is a schematic structural view of the aiming device of the knee joint anterior and posterior fork ligament repair aiming device according to the first embodiment.
图3为实施例二的膝关节前后叉韧带修复瞄准装置的结构示意图。Fig. 3 is a schematic structural view of the aiming device for repairing the anterior and posterior furfur ligament of the knee joint according to the second embodiment.
图4为实施例三的膝关节前后叉韧带修复瞄准装置的结构示意图。Fig. 4 is a schematic structural view of the aiming device for repairing the anterior and posterior furfur ligament of the knee joint according to the third embodiment.
附图中：1-主体结构；11-滑槽；12-紧固装置；2-瞄准器；21-瞄准部；22-连接部；23-滑动部；24-夹固部；25-过渡圆弧；3-导向杆；4-克氏针。In the drawings: 1-main structure; 11-chute; 12-fastening device; 2-sighter; 21-aiming part; 22-connecting part; 23-sliding part; 24-clamping part; 25-transition circle arc; 3-guide rod; 4-Kirschner wire.
具体实施方式Detailed ways
下面结合具体实施方式对本发明作进一步的说明。其中，附图仅用于示例性说明，表示的仅是示意图，而非实物图，不能理解为对本专利的限制；为了更好地说明本发明的实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的。The present invention will be further described below in combination with specific embodiments. Wherein, the accompanying drawings are only for illustrative purposes, showing only schematic diagrams, rather than physical drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings will be omitted, Enlargement or reduction does not represent the size of the actual product; for those skilled in the art, it is understandable that certain known structures and their descriptions in the drawings may be omitted.
本发明实施例的附图中相同或相似的标号对应相同或相似的部件；在本发明的描述中，需要理解的是，若有术语“上”、“下”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此附图中描述位置关系的用语仅用于示例性说明，不能理解为对本专利的限制，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。In the drawings of the embodiments of the present invention, the same or similar symbols correspond to the same or similar components; The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Orientation structure and operation, therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes, and should not be construed as limitations on this patent. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.
实施例1Example 1
如图1至图2所示为本发明的膝关节前后叉韧带修复定位瞄准装置的第一实施例，包括滑动连接的主体结构1以及与膝关节骨组织紧贴设置的瞄准器2，主体结构1设有容纳瞄准器滑动的滑槽11；主体结构1的一端设有用于限制瞄准器与滑槽相对位置的紧固装置12，另一端穿设有导向杆3；导向杆3内设有能够容纳克氏针4或钻头通过的空腔；导向杆3与主体结构1活动连接。As shown in Figures 1 to 2, the first embodiment of the positioning and aiming device for repairing the anterior and posterior furrow ligaments of the knee joint according to the present invention includes a main structure 1 which is slidably connected and an aimer 2 closely attached to the bone tissue of the knee joint, and the main structure 1 is provided with a chute 11 for accommodating the sliding of the sight; one end of the main structure 1 is provided with a fastening device 12 for limiting the relative position of the sight and the chute, and the other end is pierced with a guide rod 3; A cavity through which the Kirschner wire 4 or the drill bit passes; the guide rod 3 is flexibly connected with the main structure 1 .
本实施例在实施时，瞄准器2可相对主体结构1滑动，可在紧固装置12的作用下在主体结构1的滑槽11内紧固在不同的角度位置，以使得瞄准器2头部紧贴骨组织，导向杆3指向瞄准器2头部，克氏针4、钻头都通过此轨迹定位打孔。During the implementation of this embodiment, the sight 2 can slide relative to the main structure 1, and can be fastened at different angular positions in the chute 11 of the main structure 1 under the action of the fastening device 12, so that the head of the sight 2 Close to the bone tissue, the guide rod 3 points to the head of the aimer 2, and the Kirschner wire 4 and the drill bit are all positioned and punched through this track.
具体地，如图2所示，瞄准器2远离滑槽的一端设有与骨组织紧贴设置的瞄准部21，瞄准器还包括连接部22以及与滑槽11配合的滑动部23，瞄准部21、连接部22、滑动部23顺次连接；滑动部23为以瞄准部21为圆心、以连接部22两端的直线距离为半径的圆弧结构，确保滑动部23在滑槽11中滑动调整紧固角度时瞄准部21的位置能够保持不变，瞄准部21的中心始终位于导向杆3轴线的延长线上，紧固角度的调整不影响定位操作；其中，导向杆3轴线与瞄准部21中心设于同一直线上，使用时瞄准部21紧贴骨组织，导向杆3穿过主体结构指向瞄准部21，为克氏针、钻头的进入和退出确定轨迹，实现较好的定位效果。Specifically, as shown in FIG. 2 , the end of the aimer 2 away from the chute is provided with an aiming portion 21 which is arranged close to the bone tissue, and the aimer also includes a connecting portion 22 and a sliding portion 23 matched with the chute 11. The aiming portion 21. The connecting part 22 and the sliding part 23 are connected in sequence; the sliding part 23 is an arc structure with the aiming part 21 as the center and the linear distance between the two ends of the connecting part 22 as the radius, so as to ensure that the sliding part 23 can slide and adjust in the chute 11 The position of the aiming part 21 can remain unchanged during the fastening angle, and the center of the aiming part 21 is always on the extension line of the axis of the guide rod 3, and the adjustment of the tightening angle does not affect the positioning operation; wherein, the axis of the guide rod 3 and the axis of the aiming part 21 The center is set on the same straight line. When in use, the aiming part 21 is close to the bone tissue. The guide rod 3 passes through the main structure and points to the aiming part 21 to determine the trajectory for the entry and exit of the Kirschner wire and the drill bit to achieve a better positioning effect.
本实施例的滑槽11为与圆弧形结构配合的燕尾槽，能够保证燕尾槽与滑动部23的紧密接触，连接稳定牢靠；圆弧结构的圆心角为40°~60°，相应地，滑动部上设有用于标注紧固角度的刻度40°、45°、50°、55°、60°，以便于快速调整紧固角度。The chute 11 of this embodiment is a dovetail groove matched with an arc-shaped structure, which can ensure the close contact between the dovetail groove and the sliding part 23, and the connection is stable and reliable; the central angle of the arc structure is 40°~60°, correspondingly, There are scales 40°, 45°, 50°, 55°, and 60° on the sliding part for marking the fastening angle, so that the fastening angle can be adjusted quickly.
如图2所示，瞄准部21为圆弧结构，圆弧结构的圆心设于导向杆3轴线的延长线上，避空引导克氏针4或钻头定位；本实施例的瞄准部21并不局限于圆弧结构，可根据实际应用场合设计为圆环等形状。为更好地抓牢骨组织，确保操作的准确性，在瞄准部21远离连接部的一端连接有向主体结构一侧弯曲的夹固部24。As shown in Figure 2, the aiming portion 21 is an arc structure, and the center of the arc structure is arranged on the extension line of the axis of the guide rod 3, so as to guide the positioning of the Kirschner wire 4 or the drill bit while avoiding space; the aiming portion 21 of the present embodiment does not Limited to the arc structure, it can be designed as a ring and other shapes according to the actual application. In order to better grasp the bone tissue and ensure the accuracy of the operation, the end of the aiming part 21 away from the connecting part is connected with a clamping part 24 bent toward the main structure side.
本实施例中的导向杆3外周均布有螺纹，主体结构1上设有与导向杆配合的螺孔，操作时，将瞄准部21紧贴骨组织，推进导向杆3向前推进使其紧固，确保后续的定位和钻孔工作顺利进行；紧固装置12为螺钉，螺钉的一端穿过主体结构1与瞄准器2接触设置，当需要调整紧固角度时，旋松螺钉即可调整；当调整至合适的紧固角度时，旋紧螺钉即可固定紧固角度。In this embodiment, the outer circumference of the guide rod 3 is uniformly threaded, and the main structure 1 is provided with a screw hole that matches the guide rod. To ensure the smooth progress of subsequent positioning and drilling work; the fastening device 12 is a screw, and one end of the screw passes through the main structure 1 and is set in contact with the sight 2. When it is necessary to adjust the fastening angle, loosen the screw to adjust; When it is adjusted to a suitable fastening angle, the fastening angle can be fixed by tightening the screw.
本实施例的连接部为S型结构，适用于膝关节后叉韧带胫骨的修复定位。在实施时，在主体结构1预装导向杆3插入较浅距离，通过膝关节手术创口通道插入瞄准器2，使得瞄准部21紧贴骨组织。The connection part of this embodiment is an S-shaped structure, which is suitable for the repair and positioning of the posterior furrow ligament of the knee joint. During implementation, the guide rod 3 is pre-installed on the main structure 1 and inserted at a relatively shallow distance, and the aimer 2 is inserted through the surgical wound channel of the knee joint, so that the aiming part 21 is close to the bone tissue.
实施例二Embodiment two
如图3所示为本发明的膝关节前后叉韧带修复瞄准装置的第二实施例，本实施例与实施例一类似，所不同之处在于，瞄准部21为圆环状结构，圆环状结构的圆心设于导向杆3轴线的延长线上，引导克氏针定位；连接部22为弧形，适用于膝关节后叉韧带的股骨的修复定位。本实施例在实施时，在主体结构1预装导向杆3插入较浅距离，通过膝关节手术创口通道插入瞄准部21，连接部22环绕于膝关节外侧，使得瞄准部21紧贴骨组织。As shown in Figure 3, it is the second embodiment of the knee joint anterior and posterior fork ligament repair aiming device according to the present invention. The center of the structure is set on the extension line of the axis of the guide rod 3 to guide the positioning of the Kirschner wire; the connecting part 22 is arc-shaped, which is suitable for the repair and positioning of the femur of the posterior fork ligament of the knee joint. During the implementation of this embodiment, the guide rod 3 is pre-installed in the main structure 1 and inserted at a relatively shallow distance, and the aiming part 21 is inserted through the surgical wound channel of the knee joint, and the connecting part 22 surrounds the outside of the knee joint so that the aiming part 21 is close to the bone tissue.
实施例三Embodiment three
如图4所示为本发明的膝关节前后叉韧带修复瞄准装置的第三实施例，本实施例与实施例一类似，所不同之处在于，瞄准部21为圆环状结构，圆环状结构的圆心设于导向杆3轴线的延长线上，引导克氏针定位；连接部22为线性结构，线性结构与瞄准部21之间设有与膝关节吻合的过渡圆弧25，适用于膝关节前叉韧带的胫骨的修复定位。本实施例在实施时，在主体结构1预装导向杆3插入较浅距离，通过膝关节手术创口通道插入瞄准部21，连接部22置于膝关节外侧，过渡圆弧25与手术通道的路径吻合，保持瞄准部21紧贴骨组织。As shown in Figure 4, it is the third embodiment of the knee joint anterior and posterior fork ligament repair aiming device of the present invention. The center of the structure is set on the extension line of the guide rod 3 axis to guide the positioning of the Kirschner wire; the connecting part 22 is a linear structure, and a transition arc 25 matching the knee joint is provided between the linear structure and the aiming part 21, which is suitable for knee joints. Prosthetic positioning of the tibia articulating the anterior furfural ligament. During the implementation of this embodiment, the guide rod 3 is pre-installed in the main structure 1 and inserted at a relatively shallow distance, and the aiming part 21 is inserted through the surgical wound channel of the knee joint. The connecting part 22 is placed outside the knee joint, and the path of the transition arc 25 and the surgical channel Anastomosis, keep the aiming part 21 close to the bone tissue.
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.
Claims (10)
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