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Sanyou R & D room is divided into one room and two rooms, which are responsible for the design of spine and trauma products. Designers turn the original wisdom of clinicians into design solutions, and maintain instant communication with physicians throughout the development process to ensure that the product meets clinical needs to the greatest extent possible.
Engineers conduct stress analysis of the designer ’s product design, draw stress distribution diagrams, and simulate whether the product structure meets the design requirements under a specific load. After the product is implanted into the spine, the structure of the product and the spine bone is simulated in a biomechanical environment. Variety. Based on the above analysis, engineers and designers will optimize the product structure to make it more clinically useful.
The 3D printer uses rapid prototyping technology to print the product design into a plastic model. Designers need to feel its comfort, observe its appearance, and combine the model with other related configurations to evaluate the assembly effect of the overall structure. In addition, sometimes we need to implant the model into the skeletal model to further experience its effects.
After passing the finite element analysis and 3D printing, the engineer in the trial workshop inputs the machine to trial-produce the product according to the programming language of the design drawing. At present, the workshop has one Swiss Weiliming turning and milling compound machining center, two German Demagji slitting lathes, one Citizen turret-type multifunctional longitudinal cutting lathe, one German demaggi five-axis simultaneous machining center, and Archie, Switzerland. One chamel wire walking wire cutting machine and one AgieCharmilles EDM machine in Switzerland. The equipment is advanced and complete to ensure the product is effective and reliable.
The product is subjected to fatigue experiments and static experiments to measure its fatigue limit, yield load and stiffness. The laboratory currently uses INSTRON's tensile and compression uniaxial floor-type electronic universal material testing machine and tensile-twisting dual-axis floor-type electronic universal material testing machine for system full digital adjustment. This equipment can automatically obtain tensile strength, peel strength, Tear strength, etc. The data collection, process control and post-processing of test data during the test are all completed by the computer.
In addition to mechanical analysis, products also require biomechanical analysis. Spinal biomechanics is an interdisciplinary specialty combining engineering mechanics and orthopedics. It mainly studies the mechanical properties of the spine and the effects of various surgical methods on the mechanical properties of the spine. A common mechanical property is the three-dimensional stability of the spine, which is commonly used by orthopedic surgeons. Talking about the movement in three directions (axial rotation, flexion and extension, bending left and right). Spinal biomechanics can help doctors understand the fixation effects of various surgical methods, can choose better treatment options for various cases, explain some problems in the clinic (such as broken nails, broken rods, etc.), and the spine biomechanics is closely related to the clinical Combined, it can also help doctors deepen their understanding of spinal surgery.