Claret Medical has reeled in more than $3.6 million of an envisioned $4 million venture financing round, according to a recent regulatory filing. The California startup's lead product is The Montage dual filter system. According to its website, the catheter device is designed to both capture and remove any debris dislodged during intravascular procedures such as transcatheter aortic valve implantation. A next-generation version of the system has a CE mark. SEC filing | website