i want to know more about Osteopathic medicine
The system of Osteopathic medicine was founded by Andrew Taylor Still.
when was it founded and was it in the US ?
It was first founded in the 19th century.
oh thats cool. do they do certain types of surgeries ?
No it relies on the manipulation of joints within the body.
ah, are there any meds or devices that were created for this issue ?
You are seeing the practice less and less now days with jobs in the field eroding 
why are they eroding? did they solve the issue ?
By the middle of the 20th century new and more effective techniques were discovered.