| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| Medtronic | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Jun 29, 2009 | Series B | $ 17M | Medtronic | Detail |
| May 15, 2014 | Series E | $ 40M | Medtronic,GDN Holdings | Detail |
| May 11, 2012 | Series C | $ 14.50M | Medtronic,GDN Holdings | Detail |