What is Nitinol and Where is it Used
Why is it called Nitinol and where is it used?
It doesn't matter if you're a medical professional or a patient, are you interested in knowing what nitinol actually is and how it is used. Nitinol is a metal used in a range of medical applications, including orthopedic staples, medical devices, and shape shape-memory alloys.
Aluminium alloy for shape memory
In contrast to other materials, shape-memory alloys have the ability to recall their former shape. This two-way shape-memory effect can be created by applying to the mechanical force or heating process. These alloys are recognized to possess superior wear and mechanical properties. These alloys are usually used in the production of orthopedic wires, valves, for medical equipment.
Shape-memory alloys are usually fabricated using vacuum arc, casting or induction welding. They possess unique crystal structures that allow them to alter their shape and return them to their initial shape after heating.
The Shape Memory alloy is also widely recognized for their super-elasticity. They are utilized in various applications such as orthopedics, robotics, and neurology. They are also utilized in the aerospace and automotive industries. The characteristics of shape-memory alloys are the reason for their wide use in medical devices, such as heart valves and stents. They also find applications in the chemical processing industry.
Shape-memory metals are a blend of nickel as well as titanium, and they are considered to be engineering materials. They are ideally suited for the automotive industry, and they have outstanding corrosion and wear resistance.
Numerous studies have been conducted to investigate the mechanical properties of Nitinol. These studies have shown that the materials have mechanical hysteresis and shape memory properties. These properties help improve stent design.
Nitinol has been used in a number of different stents. These stents may vary in diameter along with thickness, thickness, and design. They can also also be manufactured with additive manufacturing technology. Manufacturers can create customized stents specifically for certain patient conditions.
Recent studies have focused on the mechanical properties of Nitinol stents. These studies employ a blend of conventional test methods, including bench-top mechanical tests and finite element models. These techniques allow researchers to simulate complicated loading conditions in vivo. Utilizing computational modeling, researchers can find out the design characteristics that contribute to more efficient performance.
One study measured the mechanical properties of six stents made of Nitinol. The stents were assessed based on their stiffness, resistance to bending and axial compression. The stents ' diameters varied between 5 and 8 mm. They were supported via rods inside when compressed.
Staples for orthopedics
Many studies have looked into the mechanical characteristics of nitinol used in orthopedic staples. A new type of nitinol-based compression staples has proved successful in hindfoot arthrodesis.
Nitinol compression staples are used in bone grafting surgeries and could slow down recovery post-surgery. However, the procedure may not be a good choice for patients suffering from bone loss. Small bones can be challenging to join, and a nonunion can lead to early-onset arthritis.
The nitinol memory compression staple is an extremely new product to the market for carpal bone fixation. It is made from an ultraelastic TiNi alloy and can provide natural bone healing by compressing. It is able to provide adequate compression and protects the cartilage's proximal dorsal.
Compression staples are also employed to stabilize subtalar joints as well as talonavicular fusions. Additionally, they can be utilized to treat various foot issues. They can also be used to perform osteotomy procedures. They might not be stable enough to support small bone implants or may interfere with osteotomies.
The latest generation of Nitinol compression staples been found to be both safe and effective in hindfoot arthrodesis. The study also analyzed the characteristics of the double and single constructs. The newer Nitinol staples featured a high radiographic union rate.
A few years ago, the medical industry came to realize the numerous benefits of the use of Nitinol when it comes to medical gadgets. The material is recognized for its super-elasticity, which allows it to stretch back to its original form when under stress. The properties of Nitinol make it a viable choice for orthopedic implants catheters and stents.
The advantages of Nitinol for medical devices are enormous and it has opened up a variety of new markets in medicine. However, the properties of the material present many concerns. Understanding the risk factors that may be involved with the material is essential.
The Federal Drug Administration (FDA) recently issued a draft guideline for manufacturers of medical devices in the design and development of test devices made of Nitinol. It provides the most crucial tips for medical devices using the material.
The scope of the directive covers all medical devices that contain nitinol. It outlines the information that manufacturers must provide during premarket submission, and includes details on the manufacturing, design and testing of devices. It also provides information on the biocompatibility of nitinol.
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