CN211578209U - Knee joint cavity puncture training device - Google Patents
Knee joint cavity puncture training device Download PDFInfo
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- CN211578209U CN211578209U CN201922379308.2U CN201922379308U CN211578209U CN 211578209 U CN211578209 U CN 211578209U CN 201922379308 U CN201922379308 U CN 201922379308U CN 211578209 U CN211578209 U CN 211578209U
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Abstract
The utility model discloses a knee joint chamber puncture trainer, including bone tissue analog part, the soft tissue analog part, the detection part, liquid package and skin muscle analog part, bone tissue analog part and soft tissue analog part simulate out the knee joint chamber, the liquid package is established in the knee joint intracavity, the detection part includes first determine module, the second determine module, signal processor and display device, first determine module is established in bone tissue analog part, the second determine module is established in the soft tissue analog part, first determine module and second determine module all connect signal processor and to signal processor feedback signal, signal processor connects display device, skin muscle analog part cladding is in the bone tissue analog part and the soft tissue analog part outside. The utility model provides a knee joint cavity puncture training device which has simple structure, can simulate different bone joint cavities, has the reminding function and has obvious training effect.
Description
Technical Field
The utility model relates to the field of medical equipment, more specifically relates to knee joint chamber puncture trainer.
Background
When the joints are diseased or have certain systemic diseases, joint effusion (artthrohydrops) is formed by increasing joint fluid, which causes joint pain and discomfort. There is only a small amount of joint fluid in the knee joint when normal, so as to nourish the articular cartilage, lubricate the joint, and reduce the friction during joint movement. The synovial membrane secretes the joint fluid, which is continuously circulated and renewed during the joint movement. When the joint is diseased or has certain systemic diseases, joint effusion can be formed, and the effusion in the joint cavity needs to be extracted for examination or treatment of the properties of the joint effusion, so that the purposes of treatment and inspection are achieved. The treatment of the pathological changes in the joint cavity also requires injecting liquid medicine into the joint cavity.
For example, the knee joint is the joint with the largest synovial membrane, the largest articular surface and the most complex structure, and because the synovial membrane of the knee joint is wide and is positioned at the superficial part of the limb, other tissues can be touched by accident when effusion is extracted, and pain of a patient is caused, therefore, due to the complexity of the knee joint cavity, certain difficulty is brought to the cultivation of the medical staff of the new hand, and especially, no training equipment with high simulation degree is used for practicing the medical staff, so that the medical staff of the new hand becomes the medical staff with old experience, and the difficulty is great, and therefore the knee joint cavity puncture training device is needed urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a simple structure, training state press close to true, have the function of reminding, the obvious knee joint chamber puncture trainer of training effect.
According to an aspect of the utility model, a knee joint cavity puncture training device is disclosed, it includes bone tissue analog part, soft tissue analog part, detection portion, liquid package and skin muscle analog part. Knee joint cavity is simulated to bone tissue analog part and soft tissue analog part, the liquid package is established in the knee joint cavity, the test section includes first determine module, the second determine module, signal processor and display device, first determine module is established in bone tissue analog part, the second determine module is established on soft tissue analog part, first determine module and second determine module all connect signal processor and to signal processor feedback signal, signal processor connects display device, skin muscle analog part cladding is in the bone tissue analog part and the soft tissue analog part outside.
In some embodiments, the bone tissue simulator includes a femoral model, a tibial model, a patellar model, and a support frame defining the femoral model, the tibial model, and the patellar model with a natural curvature of 60 ° -120 °, the support frame being disposed on one or both sides of the femoral model, the tibial model, and the patellar model.
In some embodiments, the soft tissue simulator is mounted on the femur model and the tibia model through a buckle and a clamping groove, and the soft tissue simulator, the femur model, the tibia model and the patella model form a knee joint cavity in a surrounding mode. Facilitating simulation into a model proximate to a real knee joint cavity.
In some embodiments, the liquid bag is a silicone bag and contains a liquid therein.
In some embodiments, the first detection assembly includes a first sensor and a first cartilage sleeve, the first cartilage sleeve is mounted on the bottom end of the femur model through the first sensor, and the first sensor is connected with the signal processor.
In some embodiments, the second detection assembly comprises a second sensor and a second cartilage sleeve, the second cartilage sleeve is mounted on the top end of the tibia model through the second sensor, and the second sensor is connected with the signal processor.
In some embodiments, the first sensor and the second sensor are in wireless signal transmission with the signal processor, and the first sensor and the second sensor are pressure sensors.
In some embodiments, the display device includes a first alarm lamp and a second alarm lamp, and the signal processor connects the first alarm lamp and the second alarm lamp and controls operation or stop of the first alarm lamp and the second alarm lamp.
In some embodiments, the skin muscle simulation part comprises a simulated muscle layer and a simulated skin layer, the simulated muscle layer is adhered inside the simulated skin layer, and the skin muscle simulation part is sleeved outside the bone tissue simulation part and the soft tissue simulation part in a tubular shape.
The utility model simulates the specific structure of the knee joint through the bone tissue simulation part, and provides the closest real training state for the user by utilizing the soft tissue simulation part and the skin muscle simulation part; whether the training of directly injecting the liquid into the joint cavity is qualified or not can be judged through the liquid in the liquid bag; whether the user directly and accurately pricks into the joint cavity can be detected through the detection part, and the injury of the patient caused by touching other tissues is prevented.
Drawings
FIG. 1 is a schematic structural view of the knee joint cavity puncture training device of the present invention;
FIG. 2 is a schematic structural view of a bone tissue simulation part of the knee joint cavity puncture training device of the present invention;
fig. 3 is an installation schematic diagram of the detection part of the knee joint cavity puncture training device of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functional, method, or structural equivalents and substitutions made by these embodiments are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.
As shown in fig. 1, the knee joint cavity puncture training device comprises a bone tissue simulation part 1, a soft tissue simulation part 2, a detection part 3, a liquid bag 4 and a skin muscle simulation part 5, the bone tissue simulation part 1 and the soft tissue simulation part 2 simulate a knee joint cavity, the liquid bag 4 is arranged in the knee joint cavity, the detection part 3 comprises a first detection component 31, a second detection component 32, a signal processor 33 and a display device 34, the first detection component 31 is arranged in the bone tissue simulation part 1, the second detection component 32 is arranged on the soft tissue simulation part 2, the first detection component 31 and the second detection component 32 are both connected with the signal processor 33 and feed back signals to the signal processor 33, the signal processor 33 is connected with the display device, and the skin muscle simulation part 5 is covered outside the bone tissue simulation part 1 and the soft tissue simulation part 2. The specific structure of the knee joint is simulated through the bone tissue simulation part 1, and the soft tissue simulation part 2 and the skin muscle simulation part 5 are utilized to provide the user with the closest real training state; whether the training of the liquid in the liquid bag 4 which can be intuitively injected into the joint cavity is qualified or not is judged; whether the user directly and accurately pricks into the joint cavity can be detected by the detection part 3, and the injury of the patient caused by touching other tissues is prevented.
As shown in fig. 2, the bone tissue simulator 1 includes a femur model 11, a tibia model 12, a patellar model 13, and a support 14, the support 14 defines the femur model 11, the tibia model 12, and the patellar model 13 with a natural curvature of 60 ° -120 °, and the support 14 is provided on one side or both sides of the femur model 11, the tibia model 12, and the patellar model 13. During the process of puncturing and drawing the knee joint, the knee of the patient needs to be bent to 60-120 degrees, and then the gap below the patella model 13 is punctured to the knee joint cavity for drawing the liquid. Of course, the bone model of the shoulder joint can be used for simulating the state of the shoulder joint by using the principle, so that different joint bone tissue modules can be deduced to simulate different joint cavities for training. The support frame 14 is fixed to the femur model 11, the tibia model 12, and the patellar model 13 by screws.
The soft tissue simulation part 2 is arranged on the femur model 11 and the tibia model 12 through a buckle and a clamping groove, and the soft tissue simulation part 2, the femur model 11, the tibia model 12 and the patella model 13 form a knee joint cavity in a surrounding mode. The soft tissue simulation part 2 can include ligament, meniscus and the like, and the ligament or meniscus can be arranged on the femur model 11 and the tibia model 12, and a sensor can be arranged on the surface of the ligament and the outside of the meniscus to further increase the difficulty of detection, so as to detect whether the puncture touches other parts.
The liquid bag 4 is a silica gel bag and contains liquid inside. The liquid can be colored liquid, and whether the liquid pumping is successful or not can be visually seen through the liquid bag 4.
The skin muscle simulation part 5 comprises a simulation muscle layer 51 and a simulation skin layer 52, the simulation muscle layer 51 is adhered to the inside of the simulation skin layer 52, the skin muscle simulation part 5 is sleeved on the outer sides of the bone tissue simulation part 1 and the soft tissue simulation part 2 in a tubular manner, and both the simulation muscle layer 51 and the simulation skin layer 52 can be made of silica gel materials so as to provide the closest real training state for a user.
As shown in fig. 3, the first detecting assembly 31 includes a first sensor 35 and a first cartilage sleeve 36, the first cartilage sleeve 36 is mounted on the bottom end of the femur model 11 through the first sensor 35, and the first sensor 35 is connected to the signal processor 33. After the needle tip touches the first cartilage cover 36, the first sensor 35 receives the pressure signal and transmits the pressure signal to the external signal processor 33, and the signal processor 33 controls the display device 34 to work to remind the user that the first cartilage cover 36 is touched.
The second detection assembly 32 comprises a second sensor 37 and a second cartilage sleeve 38, the second cartilage sleeve 38 is mounted on the top end of the tibia model 12 through the second sensor 37, and the second sensor 37 is connected with the signal processor 33. After the needle tip touches the second cartilage cover 38, the second sensor 37 receives the pressure signal and transmits the pressure signal to the external signal processor 33, and the signal processor 33 controls the display device 34 to work to remind the user that the second cartilage cover 38 is touched.
The first sensor 35 and the second sensor 37 perform wireless signal transmission with the signal processor 33, and the first sensor 35 and the second sensor 37 are pressure sensors. The pressure sensor is also connected with the power supply module and the wireless transceiving module, and the pressure sensor transmits the collected pressure signals to the signal processor 33 through the wireless transceiving module.
The display device 34 includes a first alarm lamp 341 and a second alarm lamp 342, and the signal processor 33 connects the first alarm lamp 341 and the second alarm lamp 342 and controls the operation or stop of the first alarm lamp 341 and the second alarm lamp 342. In the using process, the liquid bag 4 is arranged in the knee joint cavity in advance, the soft tissue simulation part 2 and the skin muscle simulation part 5 are sequentially arranged, when a user trains, the first sensor 35 and the second sensor 37 are initialized, the user conducts puncture practice, after the needle point touches the first cartilage sleeve 36, the first sensor 35 receives a pressure signal and then transmits the pressure signal to the external signal processor 33, and the signal processor 33 controls the first alarm lamp 341 to flash; when the needle tip touches the second cartilage cover 38, the second sensor 37 receives the pressure signal and transmits the pressure signal to the external signal processor 33, and the signal processor 33 controls the second alarm lamp 342 to flash, so that the user can visually see whether the puncture position is accurate. When puncture training is carried out, the needle tip is smoothly stabbed into the liquid bag 4, and after liquid is pumped, and the first alarm lamp 341 and the second alarm lamp 342 are not lighted, the training is judged to be qualified.
The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (10)
1. Knee joint cavity puncture trainer, its characterized in that, including bone tissue analog part, soft tissue analog part, detection site, liquid package and skin muscle analog part, bone tissue analog part and soft tissue analog part simulate out the knee joint cavity, the liquid package is established in the knee joint cavity, detection site includes first determine module, second determine module, signal processor and display device, first determine module is established in bone tissue analog part, the second determine module is established in the soft tissue analog part, first determine module and second determine module all connect signal processor and to signal processor feedback signal, signal processor connects display device, skin muscle analog part cladding is in bone tissue analog part and soft tissue analog part outside.
2. The knee joint cavity puncture training device of claim 1, wherein the bone tissue simulator comprises a femur model, a tibia model, a patellar model, and a support frame, the support frame defines the femur model, the tibia model, and the patellar model with natural curvatures of 60 ° to 120 °, and the support frame is disposed on one side or both sides of the femur model, the tibia model, and the patellar model.
3. The knee joint cavity puncture training device according to claim 2, wherein the soft tissue simulation part is mounted on the femur model and the tibia model through a buckle and a clamping groove, and the soft tissue simulation part, the femur model, the tibia model and the patella model form a knee joint cavity.
4. The knee joint cavity puncture training device according to any one of claims 1 to 3, wherein the liquid bag is a silica gel bag and contains liquid therein.
5. The knee joint cavity puncture training device of claim 4, wherein the first detection assembly comprises a first sensor and a first cartilage sleeve, the first cartilage sleeve is mounted on the bottom end of the femur model through the first sensor, and the first sensor is connected with a signal processor.
6. The knee joint cavity puncture training device according to claim 5, wherein the second detection assembly comprises a second sensor and a second cartilage sleeve, the second cartilage sleeve is mounted on the top end of the tibia model through the second sensor, and the second sensor is connected with the signal processor.
7. The apparatus according to claim 6, wherein the first and second sensors are wirelessly transmitted with a signal processor, and the first and second sensors are pressure sensors.
8. The apparatus for knee joint cavity puncture training according to claim 7, wherein the display device includes a first alarm lamp and a second alarm lamp, and the signal processor connects the first alarm lamp and the second alarm lamp and controls the operation or stop of the first alarm lamp and the second alarm lamp.
9. The knee joint cavity puncture training device according to claim 4, wherein the skin muscle simulation part comprises a simulated muscle layer and a simulated skin layer, the simulated muscle layer is adhered inside the simulated skin layer, and the skin muscle simulation part is sleeved outside the bone tissue simulation part and the soft tissue simulation part in a tubular manner.
10. The knee joint cavity puncture training device according to any one of claims 5 to 8, wherein the skin muscle simulation part comprises a simulated muscle layer and a simulated skin layer, the simulated muscle layer is adhered inside the simulated skin layer, and the skin muscle simulation part is sleeved outside the bone tissue simulation part and the soft tissue simulation part in a tubular manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922379308.2U CN211578209U (en) | 2019-12-26 | 2019-12-26 | Knee joint cavity puncture training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922379308.2U CN211578209U (en) | 2019-12-26 | 2019-12-26 | Knee joint cavity puncture training device |
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| CN211578209U true CN211578209U (en) | 2020-09-25 |
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| CN201922379308.2U Expired - Fee Related CN211578209U (en) | 2019-12-26 | 2019-12-26 | Knee joint cavity puncture training device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115394160A (en) * | 2022-08-10 | 2022-11-25 | 中国人民解放军总医院第一医学中心 | Simulated knee joint pain-exciting point oblique spine training system and training method |
-
2019
- 2019-12-26 CN CN201922379308.2U patent/CN211578209U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115394160A (en) * | 2022-08-10 | 2022-11-25 | 中国人民解放军总医院第一医学中心 | Simulated knee joint pain-exciting point oblique spine training system and training method |
| CN115394160B (en) * | 2022-08-10 | 2024-03-29 | 中国人民解放军总医院第一医学中心 | Simulation knee joint pain point oblique stimulation training system and training method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201019 Address after: 1800 No. 214000 Jiangsu city of Wuxi Province Li Lake Avenue Patentee after: Jiangnan University Address before: 214000 No. 585 Xingyuan North Road, Jiangsu, Wuxi Patentee before: WUXI NO.3 PEOPLE'S Hospital |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 Termination date: 20211226 |