Peristaltic pump

Abstract

A peristaltic pump having an adaptive pulsation profile.

1 . A peristaltic pump, comprising: an adaptive variable speed control to accelerate rotation of the pump through known minimum flow points, and decelerate rotation of the pump through known maximum flow points.  
   
   
       2 . The peristaltic pump of  claim 1  wherein the acceleration and deceleration of the peristaltic pump is based on a pump pulsation profile, the pump pulsation profile being determined during initial priming or other pre-operational test of the peristaltic pump.  
   
   
       3 . The peristaltic pump of  claim 1  wherein the acceleration and deceleration of the peristaltic pump is based on a pump pulsation profile, the pump pulsation profile being continually determined during operation of the peristaltic pump.  
   
   
       4 . The peristaltic pump of  claim 1  wherein the acceleration and deceleration of the pump is based on a pump pulsation profile, the pump pulsation profile being set by a user of the peristaltic pump.  
   
   
       5 . The peristaltic pump of  claim 1  wherein the acceleration and deceleration of the peristaltic pump is based on a pump pulsation profile, the pump pulsation profile being determined by automatic recognition of a cassette being used with the peristaltic pump.  
   
   
       6 . A surgical console, comprising: 
 a) a peristaltic pump, the peristaltic pump having a shaft and a roller head and a plurality of roller mounted to the shaft;    b) a position encoder associated with pump for establishing the location of the pump roller head and the pump rollers;    c) a sensor for determining a pressure generated in an aspiration line by the peristaltic pump; and    d) an adaptive variable speed control, responsive to the position encoder and the pressure sensor to accelerate rotation of the pump rollers through known minimum flow/pressure points, and decelerate rotation of the pump rollers through known maximum flow/pressure points.    
   
   
       7 . The peristaltic pump of  claim 6  wherein the acceleration and deceleration of the peristaltic pump is based on a pump pulsation profile, the pump pulsation profile being determined during initial priming or other pre-operational test of the peristaltic pump.  
   
   
       8 . The peristaltic pump of  claim 6  wherein the acceleration and deceleration of the peristaltic pump is based on a pump pulsation profile, the pump pulsation profile being continually determined during operation of the peristaltic pump.  
   
   
       9 . The peristaltic pump of  claim 6  wherein the acceleration and deceleration of the peristaltic pump is based on a pump pulsation profile, the pump pulsation profile being set by a user of the peristaltic pump.  
   
   
       10 . The peristaltic pump of  claim 6  wherein the acceleration and deceleration of the peristaltic pump is based on a pump pulsation profile, the pump pulsation profile being determined by automatic recognition of a cassette being used with the peristaltic pump.