1
Lori A Truitt, Frank Corbin III, Donn D Lobdell, Douglas P Miller, Keith Manica, George J Eilers, Steven H Johnson, Lawrence L Leppert: Technique for extracorporeal treatment of blood. COBE Laboratories, Carol W Holland & Hart Burton, June 8, 1999: US05910252 (176 worldwide citation)

Blood from a patient is treated extracorporeally by any selected one of a plurality of predetermined treatments. Each of the treatments involves the flow of blood from the patient into a primary chamber of a filtration unit, past a semipermeable membrane located in the filtration unit which separate ...


2
Norman L Sussman, James H Kelly, Donn D Lobdell: Organ support system. Hepatix, Sughrue Mion Zinn Macpeak & Seas, November 29, 1994: US05368555 (112 worldwide citation)

An organ support system and method adapted for use with a patient and designed to modify the blood from the patient includes a control system, a venous line coupled to an output of a patient, an arterial line coupled to an input of the patient, and a cell line inserted into a hollow fiber cartridge ...


3
Lori A Truitt, Frank Corbin III, Donn D Lobdell, Douglas P Miller, Keith Manica, George J Eilers, Steven H Johnson, Lawrence L Leppert: Technique for extracorporeal treatment of blood. COBE Laboratories, Carol W Holland & Hart Burton Esq, June 9, 1998: US05762805 (83 worldwide citation)

Blood from a patient is treated extracorporeally by any selected one of a plurality of predetermined treatments. Each of the treatments involves the flow of blood from the patient into a primary chamber of a filtration unit, past a semipermeable membrane located in the filtration unit which separate ...


4
Donn D Lobdell: Asynchronous method of operating microsurgical instruments. Alcon Universal, W David Lee, June 1, 2004: US06743245 (81 worldwide citation)

An improved, asynchronous method of operating a microsurgical instrument, such as a vitrectomy probe. The instrument includes a port for receiving tissue and an inner cutting member. A flow of tissue is induced into the port with a vacuum source. The port is at least partially occluded with the tiss ...


5
Donn D Lobdell, Stephen J Herman, Robert L Anderson, Thomas E Goyne: Fluid level monitoring through fluid cell protrusion. Cobe Laboratories, March 11, 1980: US04193004 (57 worldwide citation)

Monitoring the level of both opaque and clear liquids in a reservoir without contacting the liquids by providing first and second reservoir wall portions that define a region through which a light beam is passed from a light source to a light sensor so that opaque liquid extinguishes the light beam ...


6
Francis T Ogawa, George J Eilers, Michael R Manes, Donn D Lobdell, Terry D Boucher: Remote conductivity sensor using square wave excitation. Cobe Laboratories, April 25, 1989: US04825168 (55 worldwide citation)

A liquid conductivity sensor which features simply and inexpensively driving the excitation transformer of a two-transformer/fluid-loop remote conductivity sensor with a square wave excitation signal provided by a digital timer and a flip-flop. Also disclosed is using an electrodeless conductivity s ...


7
Leonard D Chamberlain Jr, Donn D Lobdell: Dialysis unit priming. Cobe Laboratories, August 20, 1991: US05041215 (37 worldwide citation)

Dialysis unit with vacuum removal therethrough of priming saline and selective circulation therethrough of dialysate and other fluids. The dialyzer unit includes a drain configured to sealingly cooperate with a tubing set having a cap with a central conduit portion and sealing fins for cooperating w ...


8
Greg L DeHoogh, Paul J Essex, Donn D Lobdell, Roger Thomas, Kirk W Todd: Mappable foot controller for microsurgical system. Alcon Universal, W David Lee, December 9, 2003: US06659998 (27 worldwide citation)

A microsurgical system, and a method of mapping the surgical functions of the microsurgical system to a foot controller operatively coupled with the system, are disclosed. The microsurgical system includes a computer, a foot controller operatively coupled to the computer, and a touch screen display ...


9
Donn D Lobdell, Stephen J Herman: Gas exchange apparatus. Cobe Laboratories, October 14, 1980: US04228125 (21 worldwide citation)

Diffusing gas into and out of a liquid at a uniform rate by distributing a foam consisting of bubbles with liquid walls surrounding the gas through elongated passages defined by a corrugated surface adjacent to a smooth surface, while simultaneously providing for indirect heat - exchange of the bloo ...


10
Donn D Lobdell: Edge sealed pleated membrane. Cobe Laboratories, August 7, 1979: US04163721 (21 worldwide citation)

A fluid flow transfer apparatus comprising a pleated membrane and a housing having a pair of generally U-shaped interfitting casings. One of the casings fits within the other to define a central fluid chamber in which the membrane is positioned and a pair of outer sealing compartments. The two outer ...