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Macrophages at the implant site fuse to form foreign body giant cells. [6] Following the inflammatory response, granulation tissue form. The end stage of the foreign body reaction is the fibrous capsule formation around the implanted biomaterial. [6] The biocompatibility of the device affects the severity of the foreign body reaction. [7]
Foreign body giant cells are involved in the foreign body reaction, phagocytosis, and subsequent degradation of biomaterials which may lead to failure of the implanted material. [4] When produced, the FBGC's place themselves along the surface of the implantation, and will remain there for as long as the foreign material remains in the body. [1]
The hypothesis that the immune system identifies the metal ions as foreign bodies and inflames the area around the debris may be incorrect because of the small size of metal ions may prevent them from becoming haptens. [1] Poisoning from metallosis is rare, but cobaltism is an established health concern. The involvement of the immune system in ...
Mesh implantation will naturally generate an inflammatory response to the inserted mesh, but biocompatibility ranges from how easily it is integrated to how severe the foreign body reaction is. A minimal response includes the formation of fibrosis around the prosthesis (much like in scar tissue formation); this response is generated with the ...
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In order to remove the bacteria, the implant would have to be removed. Lastly, the immune system may accept the presence of the implant and repair and remodel the surrounding tissue. Similar responses occur when the body initiates an allergic foreign body response. In the case of an allergic foreign body response, the implant would have to be ...
Orthopedic implant example seen with X-ray. An orthopedic implant is a medical device manufactured to replace a missing joint or bone, or to support a damaged bone. [1] The medical implant is mainly fabricated using stainless steel and titanium alloys for strength and the plastic coating that is done on it acts as an artificial cartilage. [2]
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