Laudanum synthesizing various opioids, such as propoxyphene, oxymorphone and oxycodone. These synthetic opioids, along with codeine and morphine were preferable to laudanum since a single opioid could be prescribed for different types of pain rather than the "cocktail" of laudanum, which contains nearly all of the opium alkaloids. Consequently, laudanum became mostly obsolete as an analgesic, since its principal ingredient is morphine, which can be prescribed by itself to treat pain. Until now, there has been no medical consensus on which of the two (laudanum or morphine alone) is the better choice for treating pain. In 1970, the US adopted the
Implant (medicine) Implant (medicine) An implant is a medical device manufactured to replace a missing biological structure, support a damaged biological structure, or enhance an existing biological structure. Medical implants are man-made devices, in contrast to a transplant, which is a transplanted biomedical tissue. The surface of implants that contact the body might be made of a biomedical material such as titanium, silicone, or apatite depending on what is the most functional. In some cases implants contain electronics e.g. artificial pacemaker and cochlear implants. Some implants are bioactive, such as subcutaneous drug delivery devices in the form of implantable pills or drug-eluting