Patent ID: 11957822
Assignee: FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 2:
3. The apparatus of claim 1, wherein the control unit is configured to determine the hydraulic conductance (LpS) with the formula:, L
    p
   
   ⁢
   S
  
  ≈
  
   
    
     
      J
      
       v
       ⁢
       _
       ⁢
       net
      
     
     (
     
      t
      1
     
     )
    
    -
    
     
      J
      
       v
       ⁢
       _
       ⁢
       net
      
     
     (
     
      t
      2
     
     )
    
   
   
    [
    
     
      
       P
       ip
      
      (
      
       t
       1
      
      )
     
     -
     
      
       P
       ip
      
      (
      
       t
       2
      
      )
     
     +
     
      
       σ
       g
      
      ⁢
      R
      ⁢
      
       T
       ⁡
       (
       
        
         
          C
          g
         
         (
         
          t
          2
         
         )
        
        -
        
         
          C
          g
         
         (
         
          t
          1
         
         )
        
       
       )
      
     
    
    ]
   
  
 

where R is the ideal gas constant and T is the absolute temperature.