| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| Medtronic | - | - | - | Detail |
| Rockport Venture Partners | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Oct 9, 2009 | Series F | $ 22.10M | Medtronic,Rockport Venture Partners | Detail |
| Nov 4, 2006 | Series D | $ 22.60M | Medtronic | Detail |