10 Unbelievably Cool Homemade Creations
1: Homemade Dialysis Machine
Three times a week, Hu Songwen sits on a small toilet in his home in a rural east China town and fires up his homemade dialysis machine. Hu, who suffers from kidney disease, made it from kitchen utensils and old medical instruments after he could no longer afford hospital fees.
He was a college student when he was diagnosed with kidney disease in 1993, which means that waste products cannot be removed from his blood. He underwent dialysis treatment in the hospital but ran out of savings after six years. His solution was to create his own machine in order to slash his costs.
The machine works like an external kidney. It is made up of two compartments that are connected by a membrane (a film-like structure that allows only some particles to pass through it). Blood is pumped through one half of the machine, while the dialysis fluid is pumped through the other half. Hu makes the dialysis fluid by mixing potassium chloride, sodium chloride and sodium hydrogen carbonate (bicarbonate) into purified water. For the treatment, he inserts two tubes into his arm, which are connected to his dialysis machine. The blood is pumped out of his arm through one of the tubes, filtered, and then returned to his body via the other tube.
He has kept himself alive for 13 years using his machine.
2: Homemade Prosthetic Arm
Just to be clear, we’re not suggesting that you ignore your doctor’s advice, but we’ve got to admire Mark Lesek, who refused to accept that he was unsuitable to receive a prosthetic arm. Lesek lost his arm in a car accident five years ago but was told that the amputation was too high for him to receive a usable prosthetic.
Then he heard about osseointegration, a medical field involving implanting metal into bone. The doctors in Melbourne, Australia refused to perform the procedure, so Lesek flew to Sweden and went to the Branemark Osseointegration Centre where he was fitted with an $80,000 bolt that acts as a sort of artificial shoulder.
Unable to find an affordable and suitable prosthetic arm, Lesek took matters into his own hands and crafted an arm with the help of a friend at his welding and engineering business. He has also enlisted the help of a team at the University of Tasmania to develop a more agile computer-controlled arm.
This just goes to show that your parents were right — you can do anything you want. Although, it helps if you have your own engineering lab at your disposal.