| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| Valliance Capital | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| May 25, 2004 | Series E | $ 15.80M | Boston Scientific | Detail |
| Dec 5, 2008 | Series G | $ 38M | Charter Venture Group,JAIC America | Detail |
| Apr 3, 2002 | Series D | $ 20M | Charter Venture Group | Detail |
| Sep 1, 2006 | Series F | $ 29.50M | Rockport Venture Partners | Detail |