Artificial organ almost always preceded by extensive experiments with animals. Initial testing in humans is frequently limited to those either already facing death or who have exhausted every other treatment possibility. Artificial arms and legs, or prosthetics, are intended to restore a degree of normal function to amputees. Mechanical devices that allow amputees to walk again or continue to use two hands have probably been in use since ancient times, the most notable one being the simple peg leg. Since then, the development of artificial limbs has progressed rapidly. New plastics and other materials, such as carbon fiber have allowed artificial limbs
Philosophy of medicine Philosophy of medicine The philosophy of medicine is a branch of philosophy that includes the epistemology, ontology/metaphysics, and ethics of medicine. Perhaps the most well known area is medical ethics, which overlaps with bioethics. It can be distinguished from the philosophy of healthcare, which is mostly concerned with ethical and political issues arising from healthcare research and practice. There are a variety of university courses, journals, books and conferences dedicated to the philosophy of medicine. There is also a new direction, or school, in the philosophy of medicine termed analytic philosophy of medicine. Epistemology is the study of knowledge. The