| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| Medtronic | - | Yes | - | Detail |
| Versant Ventures | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Nov 29, 2011 | Private Equity(PE) | $ 65M | Medtronic,Versant Ventures | Detail |
| Jan 26, 2007 | Series D | $ 18M | Versant Ventures | Detail |