Millions of people are left dead or disabled by surgical complications each year when one simple piece of kit could have saved them. Jane Feinmann discovers how it has helped transform medicine in Mongolia.
Written by Jane Feinmann.
Read by Rebecca McIntosh.
Produced by Graihagh Jackson.
If you liked this story, we recommend DIY prosthetics: the extreme athlete who built a new knee by Rose Eveleth, also available as a podcast.