Exhibit 21.1

|                       |                                            | STATE or
JURISDICTION of
INCORPORATION |                                   | PERCENT of
OWNERSHIP           |            
|---------------------- | ------------------------------------------ | -------------------------------------- | --------------------------------- | ------------------------------ | -----------
|VIASYS Healthcare Inc. |                                            | Delaware                               |                                   |                                |            
|                       | Bird Products Corporation                  |                                        | California                        |                                | 100        
|                       |                                            | Bird Life Design Corporation           |                                   | California                     |            
|                       |                                            | Bird Products (Japan), Ltd.            |                                   | Japan                          |            
|                       | Corpak LLC                                 |                                        | Delaware                          |                                | 100        
|                       | E.M.E. (Electro Medical Equipment) Limited |                                        | England                           |                                | 100        
|                       |                                            | EME Medical Limited                    |                                   | England                        |            
|                       |                                            | Synchromed Limited                     |                                   | England                        |            
|                       |                                            | Synchrony Limited                      |                                   | England                        |            
|                       | EME Medical Inc.                           |                                        | Delaware                          |                                | 100        
|                       |                                            | EME Medical LLC                        |                                   | Nevada                         |            
|                       | Grason-Stadler, Inc.                       |                                        | Massachusetts                     |                                | 100        
|                       | Nicolet Biomedical Japan Inc.              |                                        | Japan                             |                                | 100        
|                       | Nicolet Biomedical Ltd.                    |                                        | England                           |                                | 100        
|                       | Nicolet Vascular Inc.                      |                                        | Delaware                          |                                | 100        
|                       | Scimed Limited                             |                                        | England                           |                                | 100        
|                       | SensorMedics Corporation                   |                                        | California                        |                                | 100        
|                       |                                            | VIASYS Healthcare GmbH                 |                                   | Germany                        |            
|                       |                                            |                                        | Sensormedics B.V.                 |                                | Netherlands
|                       |                                            |                                        |                                   | Erich Jaeger Benelux B.V.      |            
|                       |                                            |                                        | Erich Jaeger U.K. Ltd.            |                                | England    
|                       |                                            |                                        | SensorMedics GmbH                 |                                | Germany    
|                       | Tecomet Inc.                               |                                        | Massachusetts                     |                                | 100        
|                       | VIASYS Polymer Products LLC                |                                        | Delaware                          |                                | 100        
|                       | VIASYS Healthcare S.A.R.L.                 |                                        | France                            |                                | 100        
|                       | VIASYS Holdings Inc.                       |                                        | Delaware                          |                                | 100        
|                       |                                            | Micro Medical Ltd.                     |                                   | England                        |            
|                       |                                            |                                        | MicroGas Ltd.                     |                                | England    
|                       |                                            |                                        | MicroPulse Ltd.                   |                                | England    
|                       |                                            |                                        | PulseTrace Ltd.                   |                                | England    
|                       |                                            |                                        | MicroMedical Deutschland GmbH     |                                | Germany    
|                       |                                            | VIASYS Healthcare Island ehf           |                                   | Iceland                        |            
|                       |                                            | VIASYS Healthcare NV                   |                                   | Belgium                        |            
|                       |                                            | VIASYS Healthcare Spain SA             |                                   | Spain                          |            
|                       |                                            | VIASYS NeuroCare BV                    |                                   | Netherlands                    |            
|                       |                                            | VIASYS NeuroCare France SA             |                                   | France                         |            
|                       |                                            | VIASYS NeuroCare Italy SpA             |                                   | Italy                          |            
|                       |                                            | VIASYS NeuroCare Nederlands BV         |                                   | Netherlands                    |            
|                       |                                            | VIASYS NeuroCare Inc.                  |                                   | Delaware                       |            
|                       |                                            |                                        | VIASYS NeuroCare Instruments Inc. |                                | Delaware   
|                       |                                            |                                        |                                   | VIASYS NeuroCare Supplies Inc. |            

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