key words biocompatibility
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2021 ◽  
Vol 10 (36) ◽  
pp. 3152-3158
Author(s):  
Ramya Shree Gangadhar ◽  
Balamuralidhara V ◽  
Rajeshwari S.R.

BACKGROUND Biomaterial is defined as "any substance or combination of medicine, artificial or natural origin, which can be used at any time, in whole or part by a system that controls, adds to, or restores any tissue, organ or function". ISO 10993-1: 2018 standard defines bio compliance law as "the ability of a medical device or tool to perform a selected program with the acceptable response of experts". Incompatible factors cause chemical reactions in patients, with little or no side effects. The body can respond in a sort of way after the installation of medical devices, so testing and improvement is important here. Therefore, testing and improvement in this field are important. Biocompatibility is required for any significant use of components or materials in medical devices. Inconsistent factors create negative biological responses in patients, which may have serious consequences. Biomaterials are substances utilized in medical devices, especially in applications where the device is touched, temporarily embedded, or permanently implanted within the body. Because of the significant impact of biocompatibility, many countries have imposed regulations on medical device manufacturers to meet biocompatibility specifications. Here is a brief explanation about the biocompatibility and incompatibility parameters of medical devices with a human body and its need for biocompatibility of medical devices with the human body. Medical devices have improved doctors' ability to diagnose and treat disease, which has led to significant improvements in health and quality of life. Thus, medical devices are prone to various incompatibility issues and procedures that affect the biological environment must be followed. KEY WORDS Biocompatibility, Material Interactions, Sterilization, Medical devices, Biocompatibility Testing, Incompatibility Factors.


2018 ◽  
Author(s):  
Pietramaggiori G ◽  
Saja Scherer

With the critical advances in material science and bioengineering, the clinical availability of biomaterials is rapidly expanding. Biomaterials are used to restore or correct function of tissues that have been modified by injury, malformation, pathology, or aging. Materials used in contact with living tissues should meet the criteria of biocompatibility, which are (1) biosafety, (2) biofunctionality, and (3) biointegration. Depending on the function they are asked to perform and the target tissue, the choice is among nonresorbable or resorbable biomaterials, metallic or polymeric, and natural or synthetic. Although some materials such as titanium are able to osteointegrate inducing minimal scarring at the interface with living tissues, it seems that a common limitation across all biomaterials is to induce some extent of foreign body reaction and scar encapsulation, which affects negatively the function of the device. Novel surface technologies at the micro- or nano-scale and advanced biomaterials will improve the biointegration of medical devices and allow for permanent implantation of functional biomaterials.   This review contains 9 figures, 9 tables and 63 references Key Words: biocompatibility, biofilm, biofunctionality, biointegration, biomaterials, encapsulation, foreign body reaction, wound healing


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