December 26, 2003 - Dialysis-related patents granted this week:

• 6,666,842 - Device and method for perfusing peritoneal dialyzing fluid
  
  
  
• 6,666,840 - Method for determining waste products in the dialysis liquid in dialysis treatment
  
  
  
• 6,666,839 - Method of using reusable blood lines

Dialysis-related patent applications filed this week:

• 20030236539 - Apparatus and method for using an ultrasonic probe to clear a vascular access device
  
  
  
• 20030236482 - Apparatus and method for in-vivo plasmapheresis using periodic backflush
  
  
  
• 20030236500 - Injection device
  
  
  
• 20030236481 - Hemofiltration filter with high membrane utilization effectiveness