Human body model for fracture fixation practice
By designing an adjustable connection structure and a multi-layered material anatomical model for fracture fixation practice, the problems of simple structure and insufficient tactile realism of existing models are solved, thereby improving the realism of operation for trainees and the teaching effect.
Patent Information
- Application Number
- CN202520029006.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing fracture fixation training models have simple structures, cannot flexibly adjust the degree of fracture, and lack realism in touch and appearance, which affects the teaching effect.
A human body model for fracture fixation practice was designed, comprising a leg mold, human bone segments, connecting discs, magnetic blocks, and multi-layered materials. The adjustable connecting structure and multi-layered materials simulate the feel and details of real human skin, providing simulation of various fracture scenarios.
It enables adjustments to the degree of fracture based on practice needs, improving the realism of the practitioner's operation and the teaching effect, and enhancing the ability to deal with complex fracture situations.
Smart Images
Figure CN223743195U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical teaching technical field especially relates to a human model for fracture fixation practice. BACKGROUND
[0002] Fracture is a common disease in first aid and hospital, and the incidence rate can reach nearly 30% in war and earthquake disaster, and the treatment of fracture is an important issue in the medical field. In the field or pre-hospital care, the fracture patients need to be fixed, and in the hospital, the fracture patients need to be reset and fixed. Manual reduction is an important technique in TCM orthopedics.
[0003] The existing fracture fixation and reduction training for medical staff is basically through book explanation, watching anatomical model, normal body simulation training, accumulating experience in treating patients and the like. Since beginners lack experience, usually, the instructor needs to cooperate with the fracture model to explain, wherein, in the process of explaining the treatment of calf bone fracture, the calf bone skeleton section model needs to be used for explanation, and in the process of explanation, the students practice according to the instructor's explanation of the fracture line and the bone marrow fracture.
[0004] Part of the existing fracture fixation practice method often has a simple and single fracture simulation model structure, which can usually only provide limited fracture shape simulation, and cannot flexibly adjust the fracture degree according to different practice needs and difficulties, thereby limiting the practice of the ability of the practitioner to deal with complex fracture conditions. In addition, there are obvious deficiencies in the model's touch and appearance authenticity. Most models cannot simulate the real touch, different levels and vascular details of human skin, resulting in that the practitioner lacks the sense of being in the scene in the operation process, and it is difficult to deeply understand the mechanism of fracture in the real human body and the relationship between fracture fixation operation and human tissue, thereby affecting the teaching and training effect. For this reason, in view of the above problems, a human model for fracture fixation practice is proposed to solve the above problems. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides a human model for fracture fixation practice, aiming at improving the problem that the model in the prior art cannot simulate multiple fracture conditions and cannot simulate the human skin, resulting in that it is difficult to deeply understand the occurrence of fracture in the real human body.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A kind of fracture fixation practice human model, including leg mould, the inside of the leg mould is provided with multiple human bone segments, the similar side of adjacent human bone segment is rotatably connected with connecting disc one, the bottom end outside of the connecting disc one is fixedly connected with two positioning rollers, the similar side of two positioning rollers is rotatably connected with rotating block, the outside of the rotating block is fixedly connected with two magnetic blocks one, the similar side of adjacent human bone segment is rotatably connected with connecting disc two, the top end outside of the connecting disc two is fixedly connected with fixed component for assisting the butt joint of adjacent connecting disc one, the bottom end of the connecting disc one is provided with foot bone mould;
[0008] As further description of the above technical solution:
[0009] The fixed component includes two rotating rollers, the outside of two rotating rollers is fixedly connected in the top end outside of the connecting disc two, and the similar side of two rotating rollers is fixedly connected with magnetic block two.
[0010] As further description of the above technical solution:
[0011] The inside of the leg mould is provided with silica gel layer, the outside of the silica gel layer is fixedly connected with PVC plastic layer, the outside of the PVC plastic layer is fixedly connected with thermoplastic rubber layer, and the outside of the thermoplastic rubber layer is fixedly connected with printed cloth layer.
[0012] As further description of the above technical solution:
[0013] The similar side of two rotating rollers is rotatably connected in the outside of the rotating block, and the similar side of two magnetic blocks two is detachably connected with the outside of the magnetic block one.
[0014] As further description of the above technical solution:
[0015] The top end of the connecting disc one is fixedly connected with connecting ball one, and the outside of the connecting ball one is fixedly connected in the inside of the human bone segment.
[0016] As further description of the above technical solution:
[0017] The bottom end of the connecting disc two is fixedly connected with connecting ball two, and the outside of the connecting ball two is fixedly connected in the inside of the human bone segment.
[0018] As further description of the above technical solution:
[0019] The top end inner wall of the connecting disc two is slidably connected in the outside of the connecting disc one.
[0020] As further description of the above technical solution:
[0021] The outer part of the foot bone mold is fixedly connected to the inner part of the leg mold, and the inner part of the foot bone mold is provided with a wire that can be twisted into any shape.
[0022] The utility model has the advantages of the following:
[0023] 1、 the utility model discloses, the exerciser can manually hold the human bone segment in the leg mold, and the two human bone segments are separated by the magnetic block one and the magnetic block two that are connected to the two human bone segments respectively, and then the two human bone segments are disassembled.
[0024] 2、 the utility model discloses, through the touch and appearance of the silicone layer simulation human skin, the different levels of the PVC plastic layer simulation human skin inside, the silicone layer, the PVC plastic layer auxiliary thermoplastic rubber layer simulation human skin of different age or health condition, the printed cloth layer dyeing simulation human vascular part, thereby can provide the real human skin operation experience of realizing, help learner to understand the process and method of fracture fixation better. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 A three-dimensional schematic view of the human model for fracture fixation practice is provided for the utility model;
[0026] Figure 2 A structural schematic view of the leg mold of the human model for fracture fixation practice is provided for the utility model;
[0027] Figure 3 A structural schematic view of the foot bone mold of the human model for fracture fixation practice is provided for the utility model;
[0028] Figure 4 A structural schematic view of the positioning roller of the human model for fracture fixation practice is provided for the utility model;
[0029] Figure 5 A structural schematic view of the connecting disc two of the human model for fracture fixation practice is provided for the utility model;
[0030] Figure 6 A structural schematic view of the printed cloth layer of the human model for fracture fixation practice is provided for the utility model.
[0031] LEGEND:
[0032] 1, leg mold; 2, human bone segment; 3, connecting disc one; 4, positioning roller; 5, rotating block; 6, magnetic block one; 7, connecting disc two; 8, rotating roller; 9, magnetic block two; 10, connecting ball one; 11, connecting ball two; 12, silica gel layer; 13, PVC plastic layer; 14, thermoplastic rubber layer; 15, printed cloth layer; 16, foot bone mold. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0034] Referring to Figures 1 to 3 , the present application provides an embodiment: a human body model for fracture fixation practice, comprising a leg mold 1, which is a lower limb part mold of a human body. The leg mold 1 is internally provided with a plurality of human bone segments 2, which imitate the shape of the leg bones of a human body and are composed of a plurality of thigh bones and calf bones. The adjacent side of each human bone segment 2 is rotatably connected with a connecting disc one 3, which is in the position of the top bone segment of the adjacent human bone segment 2 and has the shape of a disc with two legs. The bottom end of the connecting disc one 3 is fixedly connected with two positioning rollers 4, which penetrate the middle part of the legs of the connecting disc one 3 and are fixed horizontally to the center of the connecting disc one 3.
[0035] Referring to Figure 2 , Figure 4 and Figure 5 , the adjacent side of each positioning roller 4 is rotatably connected with a rotating block 5, which has the shape of a square block and is supported by the two positioning rollers 4 and rotates in the middle of the connecting disc one 3. The outer part of the rotating block 5 is fixedly connected with two magnetic blocks one 6, which are in the shape of a round cake and have magnetism and are fixed to the outer sides of the rotating block 5. The adjacent side of each human bone segment 2 is rotatably connected with a connecting disc two 7, which has the same shape as the connecting disc one 3, except that the size of the connecting disc two 7 is larger than that of the connecting disc one 3. The top end inner wall of the connecting disc two 7 is slidably connected to the outer part of the connecting disc one 3, and the connecting disc two 7 is connected horizontally to the outer part of the connecting disc one 3 and works cooperatively with the connecting disc one 3 to change the rotating and connecting state between the human bone segments 2, so as to simulate the change of the fracture condition.
[0036] The top end of the connecting disc two 7 is externally fixedly connected with a fixed assembly for assisting the butt joint of the adjacent connecting disc one 3, the fixed assembly comprising two rotating rollers 8, the two rotating rollers 8 being externally fixedly connected with the top end of the connecting disc two 7, the proximal sides of the two rotating rollers 8 being rotatably connected with the outside of the rotating block 5, the rotating roller 8 being of the same structure as the positioning roller 4, except that the rotating roller 8 is rotatable with the leg part of the connecting disc two 7, and is connected through the rotating block 5, so as to realize the relative rotation between the adjacent human bone segments 2.
[0037] The proximal sides of the two rotating rollers 8 are fixedly connected with magnetic blocks two 9, the proximal sides of the two magnetic blocks two 9 being detachably connected with the outside of the magnetic block one 6, the magnetic blocks two 9 and the magnetic block one 6 being magnetically attracted to each other or separated, so as to realize the establishment or disconnection of the connection between the adjacent human bone segments 2, thereby simulating the connection change of the skeleton when the bone is fractured or cracked, and providing different fracture simulation scenarios for the exerciser. The top end of the connecting disc one 3 is fixedly connected with a connecting ball one 10, the outside of the connecting ball one 10 being fixedly connected with the inside of the top human bone segment 2, the connecting ball one 10 stably connecting the connecting disc one 3 with the inside of the human bone segment 2, ensuring the connection strength and stability between the connecting disc one 3 and the human bone segment 2, and playing a supporting and connecting role in the relative movement of the human bone segment 2. The bottom end of the connecting disc two 7 is fixedly connected with a connecting ball two 11, the outside of the connecting ball two 11 being fixedly connected with the inside of the human bone segment 2, the connecting ball two 11 stably connecting the connecting disc two 7 with the inside of the bottom human bone segment 2, and acting together with the connecting ball one 10 to ensure the stable connection between the connecting disc and the human bone segment 2, so that the entire model is structurally stable during the simulation of the fracture.
[0038] Reference Figure 2 、 Figure 6 The inside of the leg mold 1 is provided with a silica gel layer 12, which has the characteristics of softness and good elasticity, and provides the exerciser with a soft touch close to the real human skin, thereby increasing the reality of the operation and enabling the exerciser to better feel the operation process. The outside of the silica gel layer 12 is fixedly connected with a PVC plastic layer 13, which has good durability and plasticity. It can be made into sheets of different thicknesses and hardnesses, and the PVC plastic layer 13 acts as a supporting layer to ensure the stability and durability of the model, withstand external pressure and friction, prevent the silica gel layer 12 from deforming due to external forces during use, and protect the inside human bone segment 2.
[0039] The outer part of the PVC plastic layer 13 is fixedly connected with a thermoplastic rubber layer 14, which has excellent flexibility and wear resistance, and can adjust the hardness and elasticity as needed, further simulate different levels inside the human skin, increase the real sense of the model touch, and make the practitioner feel close to the real human tissue when operating, thereby improving the quality of practice. The outer part of the thermoplastic rubber layer 14 is fixedly connected with a printed cloth layer 15, which simulates the human vascular part and other details, helps the practitioner to more intuitively and realistically understand the occurrence mechanism of various types of fractures, improves the teaching effect, and enables the practitioner to better master the key points of fracture fixation.
[0040] The bottom end of the bottom end connecting disc one 3 is provided with a foot bone model 16, which is fixedly connected to the inside of the leg mold 1. The inside of the foot bone model 16 is provided with iron wires that can be twisted into any shape. The foot bone model 16 simulates the human foot skeleton, and the iron wires inside can be twisted to simulate different situations of foot fractures as needed, increasing the diversity and practicality of the model and perfecting the scene of the whole leg fracture simulation.
[0041] Working principle: When the practitioner uses it, he can operate according to the needs of fracture practice. If you want to simulate the angle of human bone fracture, you can manually hold the human bone segment 2 in the leg mold 1 and rotate it, so that the adjacent human bone segment 2 is connected by the cross magnetic attraction of the positioning roller 4 defined by the connecting disc one 3 and the rotating roller 8 connected with the connecting disc two 7, and then the rotating roller 8 is connected with the magnetic block two 9 connected with the connecting disc two 7 and the magnetic block one 6 connected with the connecting disc one 3, so as to achieve multi-directional rotation between the two human bone segments 2; if you want to simulate the situation of human bone fracture, you can pull apart the two human bone segments 2, and the connecting disc two 7 can be separated from the magnetic block one 6 connected with the connecting disc one 3 through the magnetic block two 9 connected with the rotating roller 8.
[0042] When the practitioner uses the tool to practice fracture, the silicone layer 12 of the mold can provide a soft touch similar to the real human skin, greatly enhancing the real experience in the operation process. The PVC plastic layer 13 serves as a support layer, effectively ensuring the stability and durability of the model, and can effectively prevent the silicone layer 12 from deforming during use. The thermoplastic rubber layer 14 further simulates the different levels inside the human skin, so that the real sense of touch is improved. The printed cloth layer 15 uses dyeing and printing technology to simulate the human vascular part and other details, which helps to more intuitively and realistically restore the occurrence mechanism of various types of fractures, thereby significantly improving the teaching effect.
[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A human model for fracture fixation practice comprising a leg mold (1), characterized in that: The inside of the leg mold (1) is provided with multiple human bone segments (2), the similar side of adjacent human bone segments (2) is rotatably connected with a connecting disc one (3), the bottom end outside of the connecting disc one (3) is fixedly connected with two positioning rollers (4), the similar side of two positioning rollers (4) is rotatably connected with a rotating block (5), the outside of the rotating block (5) is fixedly connected with two magnetic blocks one (6), the similar side of adjacent human bone segments (2) is rotatably connected with a connecting disc two (7), the top end outside of the connecting disc two (7) is fixedly connected with a fixing assembly for assisting the butt joint of adjacent connecting disc one (3), and the bottom end of the connecting disc one (3) is provided with a foot bone mold (16).
2. A human model for fracture fixation practice according to claim 1, characterized in that: The fixing assembly comprises two rotating rollers (8), the outside of two rotating rollers (8) is fixedly connected to the top end outside of the connecting disc two (7), and the similar side of two rotating rollers (8) is fixedly connected with a magnetic block two (9).
3. A human bone fracture fixation practice model as claimed in claim 1 wherein: The inside of the leg mold (1) is provided with a silica gel layer (12), the outside of the silica gel layer (12) is fixedly connected with a PVC plastic layer (13), the outside of the PVC plastic layer (13) is fixedly connected with a thermoplastic rubber layer (14), and the outside of the thermoplastic rubber layer (14) is fixedly connected with a printed cloth layer (15).
4. A human bone fracture fixation practice model as claimed in claim 2, wherein: The similar side of two rotating rollers (8) is rotatably connected to the outside of the rotating block (5), and the similar side of two magnetic blocks two (9) is detachably connected with the outside of the magnetic block one (6).
5. A human bone fracture fixation practice model as claimed in claim 1 wherein: The top end of the connecting disc one (3) is fixedly connected with a connecting ball one (10), and the outside of the connecting ball one (10) is fixedly connected to the inside of the human bone segment (2).
6. A human bone fracture fixation practice model as claimed in claim 1 wherein: The bottom end of the connecting disc two (7) is fixedly connected with a connecting ball two (11), and the outside of the connecting ball two (11) is fixedly connected to the inside of the human bone segment (2).
7. A human bone fracture fixation practice model as claimed in claim 1 wherein: The top end inner wall of the connecting disc two (7) is slidably connected to the outside of the connecting disc one (3).
8. A human model for fracture fixation practice according to claim 1, characterized in that: The outside of the foot bone mold (16) is fixedly connected to the inside of the leg mold (1), and the inside of the foot bone mold (16) is provided with an iron wire which can be twisted into any shape.