1
Barry L Tucker, Kevin P Cowan, Arthur E Uber III, Edward J Rhinehart, Michael A Spohn: Self-orienting syringe and syringe interface. Bayer HealthCare, Joseph L Kent, David Schramm, James R Stevenson, November 3, 2015: US09173995 (7 worldwide citation)

A syringe includes a barrel having a proximal end, a distal end, and a sidewall extending between the proximal end and the distal end along a longitudinal axis. At least one syringe retaining member protrudes radially outwardly relative to an outer surface of the sidewall. The at least one syringe r ...


2
Leon J Tate, James H Shigeno, Jared E Neff, Scott R Griffith, Joseph E Bisegna, Paul J Miller, Scott Yanke: Radiopharmaceutical administration methods, fluid delivery systems and components thereof. Bayer Medical Care, Joseph L Kent, David Schramm, James R Stevenson, June 16, 2015: US09056164 (7 worldwide citation)

A fluid path set for a fluid delivery system includes a tube coil that is designed to optimally position one or more volumes of a pharmaceutical within an ionization chamber to measure and prepare a pharmaceutical dose for administration to a patient. The fluid path set includes a medical fluid comp ...


3
Michael A Riley, Michael A Spohn, Gerald W Callan: Method and apparatus for fractional flow reserve measurements. Bayer HealthCare, Joseph L Kent, David Schramm, James R Stevenson, April 19, 2016: US09314584 (7 worldwide citation)

A method of determining fractional flow reserve (FFR) in a blood vessel having stenosis includes injecting fluid into the blood vessel upstream of the stenosis using a power fluid injector, measuring pressure drop across the stenosis, and calculating FFR from measured pressure drop. The injected flu ...


4
Kevin P Cowan, Barry L Tucker, Arthur E Uber III, Edward J Rhinehart, Michael A Spohn: Self-orienting syringe and syringe interface. Bayer HealthCare, Joseph L Kent, David Schramm, James R Stevenson, December 1, 2015: US09199033 (6 worldwide citation)

A syringe includes a barrel having a distal end, a proximal end, and a sidewall extending therebetween along a longitudinal axis. At least one engagement member protrudes from a terminal portion of the sidewall in a proximal direction along the longitudinal axis. The at least one engagement member t ...


5
Gerald W Callan, Luis A Pedraza, Jennie Kwo, Christopher T Zirps, Roderick H Beaulieu: Fluid delivery system including a valve and a pressure transducer. Bayer Medical Care, Joseph L Kent, David Schramm, James R Stevenson, October 7, 2014: US08852147 (6 worldwide citation)

A pressure isolation mechanism for use in a medical procedure includes a lumen, an isolation port in fluid connection with lumen, and a valve having a first state and a second state. The first state occurs when the lumen and the isolation port are connected. The second state occurs when the lumen an ...


6
Eugene A Gelblum, Jill Denesvich, Edward J Rhinehart, Barry L Tucker, Mark Trocki, John Puskar Pascewicz, Matthew Beale, Matthew Sass: Bellows syringe fluid delivery system. Bayer Medical Care, Joseph L Kent, David Schramm, James R Stevenson, November 10, 2015: US09180252 (4 worldwide citation)

A bellows assembly for a fluid delivery system is a multi-component device that includes a cylindrical pressure jacket and a bellows syringe that is received within the pressure jacket. The bellows syringe includes a cap member and a bellows member. The bellows syringe in one embodiment is adapted t ...


7
Kevin P Cowan, Edward J Rhinehart, Mark Trocki: Quick release plunger. Bayer Medical Care, Joseph L Kent, David Schramm, James R Stevenson, November 3, 2015: US09174003 (4 worldwide citation)

A syringe system and components thereof are disclosed. The system may include a syringe body having a hollow lumen, a proximal open end, and a distal end. The syringe body may be configured to house a fluid therein. The syringe system may further include a plunger positioned in the hollow lumen of t ...


8
Alfred Buck, Bruno Weber: Method and device for accurate dispensing of radioactivity. Bayer Medical Care, Joseph L Kent, David Schramm, James R Stevenson, October 7, 2014: US08852071 (4 worldwide citation)

A method of delivering a radioactive liquid, includes, performing an initialization, including; extracting at least a first amount of a radioactive liquid from a source of radioactive liquid, measuring a radioactivity level for the first amount of radioactive liquid, and performing a calibration pha ...


9
Kevin P Cowan: Adjustable volume syringe. Bayer HealthCare, Joseph L Kent, David Schramm, James R Stevenson, August 9, 2016: US09408981 (3 worldwide citation)

Adjustable volume syringes and systems are disclosed. An adjustable volume syringe includes a delivery syringe barrel, a reservoir syringe barrel positioned at least partially within the delivery syringe barrel, and a reservoir plunger positioned at least partially within the reservoir syringe barre ...


10
Michael A Riley, Ralph H Schriver, William D Barlow, Thomas P Joyce, Andreas Maihoefer: Multi-fluid medical injector system and methods of operation. Bayer HealthCare, David Schramm, Joseph L Kent, James R Stevenson, October 25, 2016: US09474857 (2 worldwide citation)

A multi-fluid injector system and methods of operation thereof are presented. One embodiment of such a fluid injector system includes an automatic refill procedure for a fluid injector system comprising a fluid injector and an operably engaged syringe. The procedure includes the step of determining, ...