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2 天前 · As its purpose is to replace the knee, the prosthetic knee joint is the most critical component of the prosthesis for trans-femoral amputees. The function of the good prosthetic knee joint is to mimic the function of the normal knee, such as providing structural support and stability during stance phase but able to flex in a controllable manner ...
2024年5月20日 · Epidemiology. History. Research. See also. References. External links. Rheumatoid arthritis ( RA) is a long-term autoimmune disorder that primarily affects joints. [1] . It typically results in warm, swollen, and painful joints. [1] . Pain and stiffness often worsen following rest. [1] .
2 天前 · Ehlers–Danlos syndromes (EDS) are a group of 13 genetic connective-tissue disorders.[7] Symptoms often include loose joints, joint pain, stretchy velvety skin, and abnormal scar formation.[1] These may be noticed at birth or in early childhood.[3] Complications may include aortic dissection, joint dislocations, scoliosis, chronic pain, or ...
3 天前 · Because titanium is biocompatible (non-toxic and not rejected by the body), it has many medical uses, including surgical implements and implants, such as hip balls and sockets (joint replacement) and dental implants that can stay in place for up to 20 years.
2 天前 · The MIM-104 Patriot is a surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system.
1 天前 · Cataract surgery, also called lens replacement surgery, is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. [1] . The eye's natural lens is usually replaced with an artificial intraocular lens (IOL) implant. [2]
5 天前 · Copula (probability theory) In probability theory and statistics, a copula is a multivariate cumulative distribution function for which the marginal probability distribution of each variable is uniform on the interval [0, 1]. Copulas are used to describe/model the dependence (inter-correlation) between random variables. [1]
