There are a lot of innovations in medicinearound the world that have many beneficial effects for humanity. States likeJapan, Germany, Italy are known for  great medical innovations.  But,  United States remains the world leader, havingproduced more than an half of the world’s new medicines over the last decade. Thisessay describes some of those amazing innovations in USA, such as Airbike, Veinviewer,TransMedic and artificial retinas .  For the first time ever, american scientistshave found a way to print out fully-working machines using a 3D printer. The firstitem is a fully-functional bicycle made of nylon called the Airbike.It’s astrong as steel but much lighter. It comes out as a complete bike with noassembly required.

The possibilities for this new technology are endless.Medical researches hope that with a special cartridge of human cells andbio-friendly gel, it can be used to print out skin grafts for burn victims.They have already managed to demonstrate the potential medical uses by printingout a copy of a human ear in 30 minutes.  Veinviewer is a device that helps nurses tofind veins in real time. It creates a digital image on the skin usingnear-infrared light ,locating valves and bifurcations as deep as 15mm. Thepurpose of scientists was to create a machine like this, in order to helpnurses determine the best point of insertion.

It was proven to increase firststick success by 100%. Once inserted, Veinviwer  can help navigate vessels curves and can evenlocate accidental punctures. It was also proven to increase patient satisfactionby 100%.  Another great device comes by scientists ofUSA. It is called TransMedic and its function is to bring a dead heart back tolife.

It can reanimate hearts from people who have recently died even if theheart has stopped beating the orginal body. So far heart transplants come frombrain-dead donors only. The heart is removed from the donor and shipped at near-freezingtemperatures. Heart from dead patients have been considered too damaged touse,because after death the heart quickly becomes oxygen-starved and its musclecells die.

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But, with this device the heart gets the essentialinfusion of bloodto restore its energy. It pumps warm, oxygenated, nutrient-rich blood throughthe organ. TransMedic also maintains the appropriate warm temperature and humidityaround the organ. It has been successfully deployed in more 15 hearttransplants.