Ex Parte Malackowski et al - Page 10

                Appeal 2006-1914                                                                               
                Application 09/764,609                                                                         

           1          may be initialized for the selected type of instrument body. (Chader,                    
           2          col. 3, ll. 30-34.)                                                                      
           3                                                                                                   
           4       15.  In yet another aspect, the medical instrument will preferably include                  
           5          means for detecting when the attachment has been connected to the                        
           6          instrument body and then subsequently removed.  (Chader, col. 3, ll.                     
           7          51-54.)                                                                                  
           8                                                                                                   
           9       16.  In still a further alternative aspect, the particular type of instrument               
          10          body is detected upon connection of the attachment to the instrument                     
          11          body.  (Chader, col. 4, ll. 41-43.)                                                      
          12                                                                                                   
          13       17.  [T]he location of the medical instrument 12 may be tracked relative                    
          14          to the patient P in real time and correlated with the previously                         
          15          produced images of the patient’s body which are displayed on a                           
          16          screen 28 of the host computer 18.  To track the medical instrument                      
          17          12 in this manner, the medical instrument 12 is advanced into the                        
          18          patient P while the energy-emitting elements 20 are energized and                        
          19          detected by the sensor assembly 16.  The elements 26 on the reference                    
          20          frame 24 are also energized and detected so that the location of the                     
          21          medical instrument 12 relative to the patient P may be tracked by the                    
          22          processor 14, even when the patient P is moved.  (Chader, col. 5, ll.                    
          23          51-62.)                                                                                  
          24                                                                                                   
          25       18.  An image can be produced on the screen 28 showing a position                           
          26          marker of the instrument 12 relative to the previously produced                          
          27          images of the body. (Chader, col. 5, l. 66 – col. 6, l., 2.)                             
          28                                                                                                   
          29       19.  [T]he processor 14 will be able to recognize the characteristics of the                
          30          medical instrument 12 upon connection of the instrument to the                           
          31          processor 14 without requiring the manual entry of the instrument’s                      
          32          type or other configuration information into the processor 14.                           
          33          (Chader, col. 6, ll. 56-60.)                                                             
          34                                                                                                   
          35       20.  [T]he medical instrument 12 may optionally be provided with one or                     
          36          more buttons 46 that is placed in communication with a read switch                       
          37          controller 48 when the instrument 12 is connected to the processor 14.                   
          38          When the button 46 is depressed, the read switch controller 48 signals                   

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