**Exhibit 21.1**

**Subsidiariesof ev3 Inc.**
| **Name**                                                    | ** ** | **State or Other Jurisdiction of  Incorporation or   Organization** | ** ** | **Name Under  Which Does Business** | ** ** |
|-------------------------------------------------------------|------------|---------------------------------------------------------------------------------------------------|------------|----------------------------------------------------|------------|
| Micro Therapeutics,  Inc.                                   |       | Delaware                                                                                          |       | ev3  Neurovascular                                 |       |
| Micro Therapeutics  International, Inc.                     |       | Delaware                                                                                          |       | N/A                                                |       |
| Dendron GmbH                                                |       | Germany                                                                                           |       | N/A                                                |       |
| ev3 Endovascular, Inc.                                      |       | Delaware                                                                                          |       | ev3  Inc.                                          |       |
| ev3 Peripherals, Inc.                                       |       | Minnesota                                                                                         |       | N/A                                                |       |
| ev3 International, Inc.                                     |       | Delaware                                                                                          |       | N/A                                                |       |
| ev3 B.V.                                                    |       | Netherlands                                                                                       |       | N/A                                                |       |
| ev3 K.K.                                                    |       | Japan                                                                                             |       | N/A                                                |       |
| ev3 S.r.l.                                                  |       | Italy                                                                                             |       | N/A                                                |       |
| ev3 Australia Pty  Limited                                  |       | Australia                                                                                         |       | N/A                                                |       |
| ev3 Canada, Inc.                                            |       | Canada                                                                                            |       | N/A                                                |       |
| ev3 SAS                                                     |       | France                                                                                            |       | N/A                                                |       |
| ev3 Europe SAS                                              |       | France                                                                                            |       | N/A                                                |       |
| ev3 GmbH                                                    |       | Germany                                                                                           |       | N/A                                                |       |
| ev3 Technologies  Iberica, S.L.                             |       | Spain                                                                                             |       | N/A                                                |       |
| ev3 Nordic AB                                               |       | Sweden                                                                                            |       | N/A                                                |       |
| ev3 Limited                                                 |       | United  Kingdom                                                                                   |       | N/A                                                |       |
| ev3 Comércio de Produtos Endovasculares do Brazil Ltda |       | Brazil                                                                                            |       | N/A                                                |       |

 

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