Detachable knee joint teaching model

Abstract

The utility model discloses a detachable knee joint teaching model, which relates to the field of knee joint models and comprises a base, a knee joint model is fixedly mounted on the base and comprises a femoral condyle part and a tibial plateau part, and the outer sides of the femoral condyle part and the tibial plateau part are coated with the same simulation skin part. A patella part, an articular cartilage layer and a collateral ligament layer are arranged in the cavity, and the infrapatellar fat pad, the patella part, the articular cartilage layer and the collateral ligament layer are filled with liquid with different colors. According to the utility model, the components in the knee joint model are matched to form a simple training model, so that a user can judge whether an injection position is correct or not from liquid flowing out of the drain hole, and the device plays a role in assisting medical personnel to practice the injection technology; the internal components can be replaced by new components to facilitate the next use, and both teaching and practicability are considered.

Description

TECHNICAL FIELD

[0001] The utility model relates to knee joint model technical field especially detachable knee joint teaching model. BACKGROUND

[0002] Knee joint injection is a common medical treatment, mainly used for treating knee arthritis, cartilage injury and the like, and improving joint pain: through injecting medicine such as glucocorticoid, inflammation of the joint can be reduced, absorption of inflammatory substances is promoted, and therefore joint pain symptoms can be effectively improved.

[0003] In the prior art, knee joint injection treatment has strict requirements for injection position and injection method, medical staff without injection experience need auxiliary equipment for practicing knee joint injection, and therefore detachable knee joint teaching model is needed to meet people's needs. UTILITY MODEL CONTENT

[0004] The utility model aims at providing detachable knee joint teaching model to solve the problem of strict requirements of knee joint injection treatment on injection position and injection method, and the need of medical staff without injection experience for auxiliary equipment for practicing knee joint injection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: detachable knee joint teaching model, including base, the base is fixedly installed with knee joint, the knee joint model includes femoral condyle part and tibial platform part, the same simulation part is covered on the outer side of femoral condyle part and tibial platform part, the connecting place of femoral condyle part and tibial platform part is arranged with infrapatellar fat pad, the connecting place of femoral condyle part and tibial platform part is arranged with cavity, the cavity is arranged with patella part, articular cartilage layer and collateral ligament layer, and different color liquid is filled in infrapatellar fat pad, patella part, articular cartilage layer and collateral ligament layer.

[0006] Preferably, the bottom end of the knee joint model is provided with drain hole, and the drain hole is communicated with the cavity.

[0007] Preferably, the base is fixedly installed with fixed rod, the fixed rod is slidably installed with positioning sleeve, the positioning sleeve is rotatably installed with adjusting rod, the top end of the adjusting rod is rotatably installed with driving rod, and the driving rod is fixedly installed at the top end of the knee joint model.

[0008] Preferably, the both ends of the adjusting rod are provided with rotating hole, and the both rotating holes are rotatably installed with rotating shaft, and the both rotating shafts are fixedly installed on the driving rod and the positioning sleeve respectively.

[0009] Preferably, the positioning sleeve is slidably installed with positioning pin, and the fixed rod is equidistantly provided with a plurality of positioning hole, and the positioning pin is matched with the positioning hole.

[0010] Preferably, the patella part is located on the side of the femoral condyle part and the tibial plateau part away from the fixed rod, and the articular cartilage layer is located on the bottom side of the patella part.

[0011] Preferably, the collateral ligament layer is located on the side of the femoral condyle part and the tibial plateau part away from the patella part and the articular cartilage layer.

[0012] The knee joint teaching model has the advantages that:

[0013] In the utility model, the components inside the knee joint model are matched to form a simple training model, different colored liquids are filled in the patella part, the articular cartilage layer, the cavity, the collateral ligament layer and the infrapatellar fat pad, so that the user can judge whether the injection position is correct according to the liquid flowing out of the drain hole, the function of assisting medical staff to practice injection technology is achieved, and after the simulation skin part is taken off by using the fixed zipper, the internal components can be replaced with new components, the next use is facilitated, and teaching and practicality are considered.

[0014] In the utility model, the posture of the knee joint model is changed by adjusting the rotation of the adjusting rod, so as to help the user to practice injection skills in different postures. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The utility model provides a detachable knee joint teaching model three -dimensional structure schematic diagram;

[0016] Fig. 2 The utility model provides a detachable knee joint teaching model planar structure schematic diagram;

[0017] Fig. 3 The utility model provides a detachable knee joint teaching model section structure schematic diagram.

[0018] In the drawing: 100, base, 200, knee joint model, 201, femoral condyle part, 202, tibial plateau part, 203, simulation skin part, 204, patella part, 205, articular cartilage layer, 206, cavity, 207, collateral ligament layer, 208, infrapatellar fat pad, 209, drain hole, 300, fixed rod, 301, positioning sleeve, 302, adjusting rod, 303, drive rod, 304, rotation hole, 305, rotation shaft, 306, positioning bolt, 307, positioning pin hole, 400, fixed zipper. DETAILED DESCRIPTION

[0019] 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, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Refer toFigs. 1-3 The detachable knee joint teaching model comprises a base 100, a knee joint model 200 fixedly installed on the base 100, a femoral condyle part 201 and a tibial plateau part 202 of the knee joint model 200, a same artificial leather part 203 wrapped outside the femoral condyle part 201 and the tibial plateau part 202, a fixed zipper connection 400, and the like. After the artificial leather part is taken off by using the fixed zipper, the internal components can be replaced with new components for the next use, and the teaching and the practicality are considered. The connecting parts of the femoral condyle part 201 and the tibial plateau part 202 are arranged with subpatellar fat pads 208, and the connecting parts of the femoral condyle part 201 and the tibial plateau part 202 are arranged with cavities 206. The cavities 206 are arranged with patellar parts 204, articular cartilage layers 205 and collateral ligament layers 207. The subpatellar fat pads 208, the patellar parts 204, the articular cartilage layers 205 and the collateral ligament layers 207 are filled with different color liquids. The components in the knee joint model 200 are matched to form a simple training model. The patellar parts 204, the articular cartilage layers 205, the cavities 206, the collateral ligament layers 207 and the subpatellar fat pads 208 are filled with different color liquids, so that the user can judge whether the injection position is correct from the liquid flowing out of the drainage hole 209, and the function of assisting medical staff to practice injection technology is realized.

[0021] In an optional embodiment, the bottom end of the knee joint model 200 is provided with a drainage hole 209, and the drainage hole 209 is communicated with the cavity 206.

[0022] It should be noted that the correct injection of the piercing part will come to the cavity 206 part, and the contact with the patellar part 204, the articular cartilage layer 205, the collateral ligament layer 207 and the subpatellar fat pad 208 will cause the damage of the corresponding part, so that the liquid in the internal part flows out through the drainage hole 209, and the user can judge whether the injection position is correct from the liquid flowing out of the drainage hole 209, and the function of assisting medical staff to practice injection technology is realized.

[0023] In an optional embodiment, the base 100 is fixedly installed with a fixed rod 300, the fixed rod 300 is slidably installed with a positioning sleeve 301, the positioning sleeve 301 is rotatably installed with an adjusting rod 302, the top end of the adjusting rod 302 is rotatably installed with a driving rod 303, the driving rod 303 is fixedly installed at the top end of the knee joint model 200, both ends of the adjusting rod 302 are provided with rotating holes 304, both rotating holes 304 are rotatably installed with rotating shafts 305, both rotating shafts 305 are fixedly installed on the driving rod 303 and the positioning sleeve 301 respectively, the positioning sleeve 301 is slidably installed with a positioning pin 306, the fixed rod 300 is equidistantly provided with a plurality of positioning pin holes 307, and the positioning pin 306 is matched with the positioning pin hole 307.

[0024] It needs to be explained that the user needs to adjust the knee joint model 200 to the appropriate angle according to the needs of the user, and the position of the positioning sleeve 301 is moved, so that the positioning sleeve 301 drives the adjusting rod 302 to rotate through the rotating hole 304 and the rotating shaft 305, and the rotating adjusting rod 302 drives the driving rod 303 to move through the other pair of rotating holes 304 and rotating shafts 305, so that the top movable position of the knee joint model 200 is driven by the driving rod 303, so that the posture of the knee joint model 200 simulated by the knee joint model 200 changes, and the positioning sleeve 301 of the movable position can be fixed on the fixed rod 300 through the positioning pin 306 and the positioning pin hole 307, so that the posture of the knee joint model 200 is fixed.

[0025] In an alternative embodiment: the patella part 204 is located on the side of the femoral condyle part 201 and the tibial platform part 202 away from the fixed rod 300, and the articular cartilage layer 205 is located on the bottom side of the patella part 204.

[0026] In an alternative embodiment: the collateral ligament layer 207 is located on the side of the femoral condyle part 201 and the tibial platform part 202 away from the patella part 204 and the articular cartilage layer 205.

[0027] The working principle of the utility model:

[0028] In use of the device, the user needs to adjust the knee joint model 200 to the appropriate angle according to the needs of the user, and the position of the positioning sleeve 301 is moved, so that the positioning sleeve 301 drives the adjusting rod 302 to rotate through the rotating hole 304 and the rotating shaft 305, and the rotating adjusting rod 302 drives the driving rod 303 to move through the other pair of rotating holes 304 and rotating shafts 305, so that the top movable position of the knee joint model 200 is driven by the driving rod 303, so that the posture of the knee joint model 200 simulated by the knee joint model 200 changes, and the positioning sleeve 301 of the movable position can be fixed on the fixed rod 300 through the positioning pin 306 and the positioning pin hole 307, so that the posture of the knee joint model 200 is fixed, in the knee joint model 200 part, the outer skin of the simulation skin part 203 can be pierced by a needle, and the correct injection of the part will come to the cavity 206 part, and the contact with the patella part 204, the articular cartilage layer 205, the collateral ligament layer 207 and the infrapatellar fat pad 208 will cause the damage of the corresponding part, so that the liquid in the inside flows out through the drain hole 209, and the user can judge whether the injection position is correct from the liquid flowing out from the drain hole 209, and the function of assisting medical staff to practice injection technology is achieved.

[0029] The above merely describes a preferred embodiment of the present application, and 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 detachable knee joint teaching model comprising a base (100), characterized in that: The base (100) is fixedly installed with a knee joint model (200), the knee joint model (200) includes femoral condyle (201) and tibial plateau (202), the same simulation skin (203) is coated on the outer side of femoral condyle (201) and tibial plateau (202), the fastener (400) is installed on the simulation skin (203), the connection of femoral condyle (201) and tibial plateau (202) is arranged with infrapatellar fat pad (208), the connection of femoral condyle (201) and tibial plateau (202) is arranged with cavity (206), the cavity (206) is arranged with patella (204), articular cartilage layer (205), collateral ligament layer (207), the infrapatellar fat pad (208) and patella (204), articular cartilage layer (205), collateral ligament layer (207) are filled with different color liquids.

2. The detachable knee joint teaching model according to claim 1, wherein: The bottom end of the knee joint model (200) is provided with a drain hole (209), and the drain hole (209) is communicated with the cavity (206).

3. The detachable knee joint teaching model according to claim 1, wherein: The base (100) is fixedly installed with a fixed rod (300), the fixed rod (300) is slidably installed with a positioning sleeve (301), the positioning sleeve (301) is rotatably installed with an adjusting rod (302), the top end of the adjusting rod (302) is rotatably installed with a driving rod (303), and the driving rod (303) is fixedly installed at the top end of the knee joint model (200).

4. The detachable knee joint teaching model according to claim 3, characterized in that: Both ends of the adjusting rod (302) are provided with rotating holes (304), and the rotating holes (304) are rotatably installed with rotating shafts (305), and the rotating shafts (305) are fixedly installed on the driving rod (303) and the positioning sleeve (301) respectively.

5. The detachable knee joint teaching model according to claim 3, wherein: The positioning sleeve (301) is slidably installed with a positioning pin (306), and the fixed rod (300) is equidistantly provided with a plurality of positioning pin holes (307), and the positioning pin (306) is matched with the positioning pin hole (307).

6. The detachable knee joint teaching model according to claim 1, wherein: The patella (204) is located on the side of femoral condyle (201) and tibial plateau (202) away from the fixed rod (300), and the articular cartilage layer (205) is located on the bottom side of the patella (204).

7. The detachable knee joint teaching model according to claim 1, wherein: The collateral ligament layer (207) is located on the side of femoral condyle (201) and tibial plateau (202) away from the patella (204) and the articular cartilage layer (205).

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