Joint locking mechanism for easy alignment of surgical instrument

Abstract

The utility model relates to the technical field of medical instruments, and discloses a surgical instrument easy-to-align joint locking mechanism which comprises a first rotating plate and a second rotating plate, embedding grooves are formed in the midpoint of one side of the first rotating plate and the midpoint of one side of the second rotating plate, adjusting plates are embedded in the two embedding grooves, and the adjusting plates are connected with the first rotating plate and the second rotating plate. Positioning blocks are movably embedded in the midpoints of one sides of the lower end faces of the first rotating plate and the second rotating plate, the outer surfaces, located in the first rotating plate and the second rotating plate, of the two positioning blocks are fixedly sleeved with springs, and a rotating shaft is arranged between the first rotating plate and the second rotating plate. According to the joint fixing device, the adjusting plates embedded in the first rotating plate and the second rotating plate can better align and fix the joints of a patient, and the two arranged fixing mechanisms can better play a role in rotating and fixing the first rotating plate and the second rotating plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a joint locking mechanism that surgical instrument is easy to align. BACKGROUND

[0002] Knee joint is the joint of human body that bears weight more, and the disorder of knee joint, the instability of knee joint, the unevenness of articular surface and the abnormality of mechanical behavior caused by different reasons all will influence the weight bearing function of knee joint, and fracture is the most common reason among them. With the progress of society and the change of human activity mode, the knee joint fracture and osteoarthritis caused by high energy injury increase year by year. And joint locking mechanism is a device used in surgical operation or orthopedic instrument, mainly used for fixing joint or bone structure to keep them in predetermined position, prevent displacement and unnecessary movement.

[0003] The inventor found that the prior art has the following problems in the process of realizing the present application: at present, when the knee joint of the patient needs to be operated, most of the fixed plate is used to fix the knee joint of the patient, because the conventional fixed plate is used to fix the knee joint of the patient, it is difficult to effectively fix the knee joint of the patient according to different conditions, so as to improve the difficulty of the operation process of the patient, therefore, the technical personnel in the art provides a joint locking mechanism of surgical instrument easy to align to solve the problems in the background art. UTILITY MODEL CONTENT

[0004] The utility model discloses a joint locking mechanism of surgical instrument easy to align, and the adjusting plate embedded in the first rotating plate and the second rotating plate can better fix the joint of the patient, and the two fixing mechanisms can better rotate and fix the first rotating plate and the second rotating plate.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A joint locking mechanism of surgical instrument easy to align, including first rotating plate and second rotating plate, the first rotating plate and second rotating plate one side midpoint all are set up with embedding slot, two embedding slots all are embedded with adjusting plate, the first rotating plate and second rotating plate lower end surface one side midpoint all are movably embedded with the positioning block, and the outer surface of two positioning blocks in the first rotating plate and second rotating plate is all fixed with spring;

[0007] The first rotating plate and the second rotating plate are provided with a rotating shaft, the front end face side and the rear end face side of the second rotating plate are provided with fixing mechanisms, the two fixing mechanisms each include a fixing block, the lower end face of each fixing block is movably embedded with a threaded rod, the lower end of the outer surface of each threaded rod is threadedly sleeved with a knob, the front end face side and the rear end face side of the first rotating plate are movably embedded with a second rotating block, and the front end face and the rear end face of the second rotating plate are movably embedded with a first rotating block.

[0008] Further, the inner surface of each fixing block is movably embedded with a rubber block at the lower end, and the lower end face of each rubber block is fixedly connected with a threaded rod.

[0009] Further, the side midpoint of each second rotating block is fixedly provided with a movable rod, the movable rod is movably penetrated through the first rotating block, and the outer surface midpoint of the movable rod is threadedly sleeved with a threaded block.

[0010] Further, the lower end face of each adjusting plate is provided with a plurality of positioning grooves, and the positioning blocks are embeddedly connected with the positioning grooves of the adjusting plates.

[0011] Further, one end of the first rotating plate is fixedly sleeved at the midpoint of the outer surface of the rotating shaft, one side of the second rotating plate is movably sleeved at both sides of the midpoint of the outer surface of the rotating shaft, and the fixing blocks are movably sleeved at both sides of the outer surface of the rotating shaft, and the fixing blocks are fixedly arranged at the front end face side and the rear end face side of the second rotating plate.

[0012] Further, the side midpoint of each adjusting plate is fixedly provided with a connecting belt, and the other side midpoint of each adjusting plate is fixedly provided with a fixing belt, the upper end of the front end face of each fixing belt is fixedly provided with a Velcro wool surface, and the lower end of the front end face of each fixing belt is fixedly provided with a Velcro hook surface.

[0013] Further, the upper end face of each adjusting plate is fixedly provided with a second buffer pad.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. The joint locking mechanism of the surgical instrument is easy to align, by setting adjusting grooves on one side of the first rotating plate and the second rotating plate, adjusting plates can be movably embedded in the two adjusting grooves, and the adjusting plates can be extended and adjusted according to different needs, so that the knee joint of the patient can be better fixed, and the positioning block movably embedded in the first rotating plate and the second rotating plate can be embedded and connected with the positioning groove in the adjusting plate under the action of the spring, so that the length of the extended adjusting plate can be better fixed.

[0016] 2. The joint locking mechanism of the surgical instrument is easy to align, by setting the first rotating plate and the second rotating plate on the outer surface of the rotating shaft, the second rotating plate can be rotated and adjusted on the outer surface of the rotating shaft, so that the bending angle of the knee joint of the patient can be better adjusted, and the knee joint of the patient can be better treated during surgery, and the two fixing mechanisms can drive the rubber block to extrude the rotating shaft through the threaded rod arranged therein after being fixedly connected with the first rotating plate. The rotating second rotating plate and the rotating shaft can be fixed through the friction generated by the rotating second rotating plate and the rotating shaft, so that the angle after rotating adjustment can be locked, and the first rotating block and the second rotating block arranged in rotation can be rotatably connected with the first rotating plate and the second rotating plate through the rear end rod and the threaded block, so that the first rotating plate and the second rotating plate can be better adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the first axis measurement schematic view of the utility model;

[0018] Figure 2 It is the second axis measurement schematic view of the utility model;

[0019] Figure 3 It is the first axis measurement schematic view of the utility model in the adjusting state;

[0020] Figure 4 It is the second axis measurement schematic view of the utility model in the adjusting state;

[0021] Figure 5 It is the second rotating plate section view schematic view of the utility model;

[0022] Figure 6 It is the movable rod axis measurement schematic view of the utility model;

[0023] Figure 7 It is the fixed mechanism section view schematic view of the utility model.

[0024] LEGEND:

[0025] 1, the first rotating plate; 2, the first buffer pad; 3, the second rotating plate; 4, the second buffer pad; 5, the adjusting plate; 6, the connecting belt; 7, the fixed belt; 8, the magic tape surface; 9, the fixed mechanism; 10, the magic tape hook surface; 11, the rotating shaft; 12, the movable rod; 13, the first rotating block; 14, the second rotating block; 15, the positioning block; 16, the embedded slot; 17, the spring; 18, the positioning slot; 19, the threaded block; 901, the fixed block; 902, the threaded rod; 903, the rubber block; 904, the knob. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 fall within the protection scope of the utility model.

[0027] Referring to Figures 1 to 7 A joint locking mechanism easy to align for a surgical instrument, comprising a first rotating plate 1 and a second rotating plate 3, the first rotating plate 1 and the second rotating plate 3 are provided with an embedded slot 16 at the midpoint of one side, and an adjusting plate 5 is embedded in the two embedded slots 16, the first rotating plate 1 and the second rotating plate 3 are provided with a positioning block 15 movably embedded at the midpoint of one side of the lower end surface, and the outer surfaces of the two positioning blocks 15 in the first rotating plate 1 and the second rotating plate 3 are fixedly provided with a spring 17;

[0028] The first rotating plate 1 and the second rotating plate 3 are provided with a rotating shaft 11, the second rotating plate 3 is provided with a fixed mechanism 9 at the front end surface and the rear end surface, the two fixed mechanisms 9 each include a fixed block 901, the lower end surface of the two fixed blocks 901 is movably embedded with a threaded rod 902, the outer surface of the threaded rod 902 is threadedly provided with a knob 904 at the lower end, the first rotating plate 1 is provided with a second rotating block 14 rotatably embedded at the front end surface and the rear end surface, and the second rotating plate 3 is provided with a first rotating block 13 rotatably embedded at the front end surface and the rear end surface.

[0029] Specifically, after the embedding groove 16 is formed on one side of the first rotating plate 1 and the second rotating plate 3, the adjusting plate 5 can be better embedded in the first rotating plate 1 and the second rotating plate 3, and the positioning block 15 arranged at the lower end surface of the first rotating plate 1 and the second rotating plate 3 can better fix the position of the adjusted adjusting plate 5, and the spring 17 can better drive the positioning block 15 to embed and connect the adjusting plate 5, and the rotating shaft 11 arranged between the first rotating plate 1 and the second rotating plate 3 can better make the first rotating plate 1 and the second rotating plate 3 rotate and adjust, and the fixing mechanism 9 can drive the rubber pad to extrude and fix the rotating shaft 11 through the threaded rod 902 arranged therein, and the second rotating block 14 and the first rotating block 13 arranged on both sides of the first rotating plate 1 and the second rotating plate 3 can play a role in auxiliary fixing of the adjusted first rotating plate 1 and second rotating plate 3 through the movable rod 12 and the threaded block 19.

[0030] With reference to Figure 7 , the inner surfaces of the two fixing blocks 901 near the lower ends are movably embedded with rubber blocks 903, and the lower end surfaces of the two rubber blocks 903 are fixedly connected with the threaded rods 902.

[0031] Specifically, after the rubber block 903 is movably embedded in the fixing block 901, the knob 904 can better extrude and fix the rotating shaft 11 by driving the fixedly connected rubber pad and threaded rod 902 to rotate.

[0032] With reference to Figure 2 and Figure 6 , the movable rods 12 are fixedly arranged at the middle points on one side of the two second rotating blocks 14, the two movable rods 12 are movably penetrated through the two first rotating blocks 13, and the threaded blocks 19 are threadedly sleeved on the middle points of the outer surfaces of the two movable rods 12.

[0033] Specifically, by fixedly arranging the movable rod 12 on one side of the second rotating block 14, the movable rod 12 can be penetrated through the first rotating block 13, and when the first rotating rod and the second rotating rod are adjusted to rotate, the threaded block 19 threadedly sleeved on the middle point of the outer surface of the movable rod 12 can extrude one side of the first rotating block 13, so as to limit the movement length of the movable rod 12, thereby effectively playing a role in auxiliary fixing.

[0034] With reference to Figure 5 , a plurality of positioning grooves 18 are formed in the lower end surfaces of the two adjusting plates 5, and the two positioning blocks 15 are embeddedly connected with the positioning grooves 18 formed in the two adjusting plates 5.

[0035] Specifically, after a plurality of positioning grooves 18 are formed in the lower end face of the adjusting plate 5, the positioning block 15 and the embedded groove 16 can be better embedded and connected, so that the adjusting plate 5 after extension adjustment can be better fixed.

[0036] With reference to Figure 3 , one end of the first rotating plate 1 is fixedly sleeved at the midpoint of the outer surface of the rotating shaft 11, one side of the second rotating plate 3 is rotatably sleeved at both sides of the midpoint of the outer surface of the rotating shaft 11, and the two fixed blocks 901 are movably sleeved at both sides of the outer surface of the rotating shaft 11. The two fixed blocks 901 are fixedly arranged at one side of the front end face and one side of the rear end face of the second rotating plate 3.

[0037] Specifically, after the first rotating plate 1 is fixedly sleeved on the outer surface of the rotating shaft 11, the rotating shaft 11 can be rotated when the first rotating plate 1 rotates. The second rotating plate 3 can be rotatably arranged on the outer surface of the rotating shaft 11. After the fixed blocks 901 are fixedly arranged on both sides of the second rotating plate 3, the threaded rods 902 in the fixed plate can drive the rubber blocks 903 to press the rotating shaft 11, and the rotating shaft 11 can be better fixed by generating friction.

[0038] With reference to Figure 1 , the first rotating plate 1, the second rotating plate 3 and the two adjusting plates 5 have a connecting belt 6 fixedly arranged at the midpoint of one side, the first rotating plate 1, the second rotating plate 3 and the two adjusting plates 5 have a fixed belt 7 fixedly arranged at the midpoint of the other side, a plurality of fixed belts 7 have a Velcro rough surface 8 fixedly arranged at the upper end of the front end face, and a plurality of fixed belts 7 have a Velcro hook surface 10 fixedly arranged at the lower end of the front end face.

[0039] Specifically, the connecting belt 6 is fixedly arranged on one side of the first rotating plate 1, the second rotating plate 3 and the two adjusting plates 5, which can be better connected with the fixed belt 7 arranged on the other side, so that the first fixed plate and the second fixed plate can be better arranged at the knee joint of the patient. The Velcro hook surface 10 and the Velcro rough surface 8 can better adjust the tightness during fixing.

[0040] With reference to Figure 1 , the first rotating plate 1 and the second rotating plate 3 have a first buffer pad 2 fixedly arranged on the upper end face, and the two adjusting plates 5 have a second buffer pad 4 fixedly arranged on the upper end face.

[0041] Specifically, the first buffer pad 2 arranged on the upper end face of the first rotating plate 1 and the second rotating plate 3 and the second buffer pad 4 arranged on the upper end face of the adjusting plate 5 can better improve the comfort of the patient.

[0042] Working principle: in use, the user can extend the adjustment plate 5 according to the needs of the patient, after the adjustment plate 5 is extracted from the first rotating plate 1 and the second rotating plate 3, the fixed adjustment plate 5 can be embedded and fixed through the positioning block 15 arranged therein, after the fixed adjustment plate 5 is fixed, the user can bind the first rotating plate 1 and the second rotating plate 3 at the knee joint of the patient through the fixing belt 7 and the connecting belt 6, and the magic tape hook surface 10 and the magic tape hair surface 8 arranged in the fixing belt 7 can better adjust the tightness during fixing, after fixing is completed, the knee joint of the patient can be bent to different degrees according to the needs, after bending is completed, the angle of the first rotating plate 1 and the second rotating plate 3 after rotating can be fixed through the rotating knob 904 in the two fixing mechanisms 9, and the first rotating block 13 and the second rotating block 14 arranged can play the auxiliary fixing role through the rear end rod and the threaded block 19.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A joint locking mechanism for easy alignment of surgical instruments comprising a first rotating plate (1) and a second rotating plate (3), characterized in that: The midpoint of one side of the first rotating plate (1) and the second rotating plate (3) is provided with an embedded groove (16), and the two embedded grooves (16) are provided with an adjusting plate (5) embedded therein. The first rotating plate (1) and the second rotating plate (3) are provided with a rotating shaft (11) therebetween, and the front end face and the rear end face of the second rotating plate (3) are provided with a fixing mechanism (9), and the two fixing mechanisms (9) each include a fixing block (901), and the lower end face of the two fixing blocks (901) is movably embedded with a threaded rod (902), and the lower end of the outer surface of the threaded rod (902) is threadedly provided with a knob (904), and the front end face and the rear end face of the first rotating plate (1) are movably embedded with a second rotating block (14), and the front end face and the rear end face of the second rotating plate (3) are movably embedded with a first rotating block (13).

2. A joint locking mechanism for a surgical instrument easy to align according to claim 1, characterized in that: The lower end of the inner surface of the two fixing blocks (901) is movably embedded with a rubber block (903), and the lower end face of the two rubber blocks (903) is fixedly connected with the two threaded rods (902), respectively.

3. A joint locking mechanism for a surgical instrument easy to align according to claim 1, characterized in that: The midpoint of one side of the two second rotating blocks (14) is fixedly provided with a movable rod (12), and the two movable rods (12) are movably penetrated through the two first rotating blocks (13), and the midpoint of the outer surface of the two movable rods (12) is threadedly provided with a threaded block (19).

4. A joint locking mechanism for a surgical instrument easy to align according to claim 1, characterized in that: The lower end face of the two adjusting plates (5) is provided with a plurality of positioning grooves (18), and the two positioning blocks (15) are embeddedly connected with the positioning grooves (18) provided in the two adjusting plates (5), respectively.

5. A joint locking mechanism for a surgical instrument easy to align according to claim 1, characterized in that: The first rotating plate (1) is fixedly provided on the midpoint of the outer surface of the rotating shaft (11), the second rotating plate (3) is movably provided on the midpoint of the outer surface of the rotating shaft (11) on both sides, the two fixing blocks (901) are movably provided on the outer surface of the rotating shaft (11) on both sides, and the two fixing blocks (901) are fixedly provided on the front end face and the rear end face of the second rotating plate (3), respectively.

6. A joint locking mechanism for a surgical instrument easy to align according to claim 1, characterized in that: The midpoint of one side of the first rotating plate (1), the second rotating plate (3) and the two adjusting plates (5) is fixedly provided with a connecting belt (6), and the midpoint of the other side of the first rotating plate (1), the second rotating plate (3) and the two adjusting plates (5) is fixedly provided with a fixing belt (7), and the upper end of the front end face of the plurality of fixing belts (7) is fixedly provided with a magic tape rough surface (8), and the lower end of the front end face of the plurality of fixing belts (7) is fixedly provided with a magic tape hook surface (10).

7. An easy-to-align joint locking mechanism for a surgical instrument according to claim 1, wherein: The upper end face of the first rotating plate (1) and the second rotating plate (3) is fixedly provided with a first buffer pad (2), and the upper end face of one side of the two adjusting plates (5) is fixedly provided with a second buffer pad (4).

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