1
Thomas Kelly, Robert W Childers, Don Busby, Rodolfo Roger, Waleed Mutasem El Sayyid, Shahid Din: High convection home hemodialysis/hemofiltration and sorbent system. Baxter International, Baxter Healthcare, K&L Gates, October 4, 2011: US08029454 (62 worldwide citation)

A system, method and apparatus for performing a renal replacement therapy is provided. In one embodiment, two small high flux dialyzers are connected in series. A restriction is placed between the two dialyzers in the dialysate flow path. The restriction is variable and adjustable in one preferred e ...


2
Patrick Lee, John Biewer, Robert W Childers, Mark W Foohey, Richard R Gilbert II, Andrey Kopychev, Randy Murphey, Austin J Orand, Douglas Reitz, Rodolfo Roger, John Edward Steck: Fluid delivery system with autoconnect features. Baxter International, Baxter Healthcare, K&L Gates, June 7, 2011: US07955295 (40 worldwide citation)

A fluid dispensing machine, such as a peritoneal dialysis or hemodialysis machine, includes a dispenser or cassette that pumps a medical fluid for dialysis or other treatments for patients. The machine includes and uses an autoconnect device for connecting containers of liquid, such as bags of dialy ...


3
Robert W Childers, Thomas D Kelly, Rodolfo Roger: Personal hemodialysis system. Baxter International, Baxter Healthcare, K&L Gates, February 14, 2012: US08114276 (24 worldwide citation)

A dialysis machine includes a dialysis instrument having a pump actuator and first and second valve actuators, and a disposable cassette operable with the dialysis instrument, the disposable cassette including a pump portion operable with the pump actuator, first and second valve chambers operable w ...


4
Robert W Childers, Patrick Lee, Andrey Kopychev, Douglas Reitz, Rodolfo Roger, John E Steck: Fluid delivery system with spiked cassette. Baxter International, Baxter Healthcare, K&L Gates, July 30, 2013: US08496609 (20 worldwide citation)

A fluid dispensing machine, such as a peritoneal dialysis or hemodialysis machine, includes a dispenser or cassette that pumps a medical fluid for dialysis or other treatments for patients. The machine includes and uses an autoconnect device for connecting containers of liquid, such as bags of dialy ...


5
Richard Kienman, Jennifer Lindsay, Gideon Hecht, Rodolfo Roger: Dialysis fluid heating algorithms. Baxter International, Baxter Healthcare, K&L Gates, December 13, 2011: US08078333 (19 worldwide citation)

A dialysis fluid heating system includes a dialysis fluid heater; a dialysis fluid carrying element in operable communication with the dialysis fluid heater to heat a dialysis fluid; and a logic implementer configured to control the heater using (i) a heater input determined from a dialysis fluid te ...


6
Robert W Childers, Thomas D Kelly, Rodolfo Roger: Hemodialysis system having clamping mechanism for peristaltic pumping. Baxter International, Baxter Healthcare, K&L Gates, December 4, 2012: US08323492 (15 worldwide citation)

A hemodialysis system including (i) an instrument; (ii) first and second peristaltic dialysate pumps operated by the instrument; (iii) a cassette including a rigid structure and first and second dialysate pumping tubes carried by the rigid structure; and (iv) a mechanism configured to initially allo ...


7
Rodolfo Roger: Weight controlled dialysis system with accelerometer. Baxter International, Baxter Healthcare, K&L Gates, September 7, 2010: US07789850 (15 worldwide citation)

A dialysis system includes: an enclosure; a dialysate pump carried by the enclosure and arranged to pump dialysate to a patient or dialyzer; at least one container connected fluidly to the dialysate pump; a load cell positioned to weigh dialysate located within the container; an accelerometer positi ...


8
Thomas Kelly, Robert W Childers, Don Busby, Rodolfo Roger, Waleed Mutasem El Sayyid, Shahid Din: Hemodialysis system including on-line dialysate generation. Baxter International, Baxter Healthcare, K&L Gates, November 25, 2014: US08894600 (12 worldwide citation)

A hemodialysis system includes an on-line dialysate generator; a dialysate pump actuator configured to pump dialysate generated by the generator to a dialyzer; a conductivity sensor located adjacent to a temperature sensor upstream of the dialyzer; a blood pump actuator; an air detector; and a dispo ...


9
Rodolfo Roger, Robert Childers, Thomas D Kelly: Ultrasound access disconnection systems and methods. Baxter International, Baxter Healthcare, K&L Gates, December 10, 2013: US08603020 (11 worldwide citation)

An access disconnection system includes a blood treatment machine including a housing, an access site detection housing separate from the blood treatment machine housing, a transmitter positioned in the access site housing and configured to transmit an ultrasound wave into a blood stream of a patien ...


10
John Bedingfield, Rodolfo Roger: Medical fluid machine having solenoid control system with reduced hold current. Baxter International, Baxter Healthcare, K&L Gates, August 24, 2010: US07782590 (9 worldwide citation)

An electromechanical solenoid control system with reduced hold current includes an electromechanical solenoid including an armature and a coil; a voltage source; a resistor placed in an electrical line between the voltage source and the solenoid coil; a switching device configured to selectively app ...