Abstract: A system and method for holding tubing for a peristaltic pump that allows for tube stretch or deformation. The present invention compensates for tube stretching and holds the tubing in the elongated position using a one way bearing clutch. Drip retention or a reversal of the pump does not allow the tube to move back into the pump. An encoder can monitor tube elongation and allow metering the tubing during indexing.

Abstract: A system and method for holding tubing for a peristaltic pump that allows for tube stretch or deformation. The present invention compensates for tube stretching and holds the tubing in the elongated position using a one way bearing clutch. Drip retention or a reversal of the pump does not allow the tube to move back into the pump. An encoder can monitor tube elongation and allow metering the tubing during indexing.

Abstract: A “load and go” peristaltic pump tubing arrangement without a special configuration, such as the “Double-Y” tubing connectors used by the Watson Marlow 505L pump head. One of the critical components in the peristaltic pump system is the pump tubing which now can be monitored so that the health of the peristaltic pump is known. The result is a “smart” peristaltic pump using a notch or other part in a second spring-clamp or tubing holder. Located on two ? 316 inch shoulder screws are two roller clutches and two spacers to complete the assembly of the pump. The distance between the two rollers allows the tubing to elongate but not move backward toward the peristaltic rollers.

Abstract: A precision fluid dispensing system that can be effectively used for accurate fluid dispensing in peristaltic pumps if roller control is used. Peristaltic pumps can be combined with pinch valves allowing a dispense tube to be open while a source tube is blocked. Controlled roller movement is used to move the next roller to the same starting position as the previous roller was on the previous dispense, the dispense pinch valve is closed and the source valve is opened. The system uses roller positioning where the each roller is properly positioned so that each dispense cycle starts in the same position. The precision and accuracy is better than 0.3% total.

Abstract: A system and method for holding tubing for a peristaltic pump the prevents tubing stretch or deformation. The present invention compensates for tube stretching and minimizes tube deformation due to peristaltic roller tube expansions.

Abstract: A “load and go” peristaltic pump tubing arrangement without a special configuration, such as the “Double-Y” tubing connectors used by the Watson Marlow 505L pump head. One of the critical components in the peristaltic pump system is the pump tubing which now can be monitored so that the health of the peristaltic pump is known. The result is a “smart” peristaltic pump using a notch or other part in a second spring-clamp or tubing holder. Located on two ? 316 inch shoulder screws are two roller clutches and two spacers to complete the assembly of the pump. The distance between the two rollers allows the tubing to elongate but not move backward toward the peristaltic rollers.

Abstract: A liquid storage and dispensing system, and methods for its use in the storage, shipping, and accurate dispensing by manual or automated methods, of, for example, precious biologic samples such as protein, DNA or RNA, with minimal contamination, oxidation, and evaporation, the system having: an essentially cylindrical storage barrel with a flange at its open end and a port and delivery tip at the closed end; a piston with a seal, where the piston closely matches the shape of the closed end of the barrel to minimize dead volume; and a cover to seal the delivery tip during storage such as cryostorage.

Abstract: A liquid storage and dispensing system, and methods for its use in the storage, shipping, and accurate dispensing by manual or automated methods, of, for example, precious biologic samples such as protein, DNA or RNA, with minimal contamination, oxidation, and evaporation, the system having: an essentially cylindrical storage barrel with a flange at its open end and a port and delivery tip at the closed end; a piston with a seal, where the piston closely matches the shape of the closed end of the barrel to minimize dead volume; and a cover to seal the delivery tip during storage such as cryostorage.