with the local anesthetic. the procedure lasts a half hour. >> as soon as we're happy that the di positivers are in the correct place we simply pull out the wire. >> developing the procedure as a young doctor using sheep. the sturdy stints of various sizes are sewn by specially trained women. no soldering or loose wires. >> it retains the shape we want it to be. >> the solution to big problems can be very small and very simple. these tiny things can block holes in the heart. the hospital has treated more than 500 bolivian patients and 50,000 from around the world. the doctor has received international awards and his product is stopped by a german company. >> there are large number of people who suffer this problem who don't have the money. we need to be certain that this technology reaches all the children, not just some of them. >> thbolivian authorities are not investing more in health. al jazeera, la paz, bolivia. >> there was a turn out to see the first american band perform i there since the u.s. and cuba s

the heart. with local anesthetic, the procedure lasts about half an hour. >> translator: as soon as we're happy that the deposit is in the correct place we simply pull out the wire. >> developed procedure as a young doctor using sheep and stents of anniversaries sizes, sown bsown sewnsewn by women in. >> the solution can be very small and very simple. this small and simple. these tiny things are used to block holes in the heart and can give patients an active and healthy life. the hospital has treated more than 500 bolivian patients and 50,000 from around the world. the doctor has received international awards and his product is distributed globally by a german company. but he's frustrated he can't do more. >> translator: there are a large number of people at altitude in the mountains suffering this problem who don't have the money. we need to focus to ensure that this technology reaches all of the children not just some of them. >> the doctor is critical for bolivian authorities for not investing more in health and to the medical community, for investing in what he believes is a simple solutio

comprised of nickel and titanium is in the artery and the original shape to plug the hole in the heart, with local anestheticrocedure lasts about half an hour. >> translator: as soon as we are happy the deposit is in the correct place we pull it out. >> reporter: this is sewn by women in his factory, no soldering or loose wires. >> translator: they call it an intelligent material because after treatments it retains the shape we want it to be. >> reporter: the solution to big problems can be very small and very simple. this small and simple. these tiny things are used to block holes in the heart and can give patients an active and healthy life. the hospital has treated more than 500-bolivia patients and around the world and his product is distributed globally by a german company and is frustrated he cannot do more. >> translator: there are a large number of people at altitude in the mountains suffering this problem who don't have the money. we need to focus to be sure the technology reaches all of the children, not just some of them. >> reporter: the doctor is critical of the bolovian authorities for not inve

. >> the doctor said a extent made with a flexible alloy is inserted with a catheter. with local anestheticthe procedure lasts half an hour. >> as soon as we're happy that the deposit is in the correct place, we simply pull out the wire. >> he developed the procedure as a young doctor using sheep. extentsare sewen by women in his factory. >> they call it an intelligent material. after treatments, it retains the shape we want it to be. >> solutions to big problems can be very small and simple, this small and simple. these tiny things are used to block holes in the heart and can give patients an active and healthy life. >> the hospital has treated more than 5,000 bolivian patients and 5,000 around the world. his product is distributed globally a german company. he's frustrated he can't do more. >> there are a large number of people suffering you this problem who don't have the money. we need to focus to ensure that this technology reaches all of those children, not just some of them. >> the doctor is critical of the bolivian authorities for not investing more in health and in the internationa