1
Doug Duchon, Thomas Paulson, Robert F Wilson, Jiyan Liu: Angiographic injector system with automatic high/low pressure switching. Acist Medical Systems, Oppenheimer Wolff & Donnelly, April 24, 2001: US06221045 (196 worldwide citation)

An angiographic injector system includes a manifold and valve which selectively connects either a syringe pump or a low pressure system to a catheter which is inserted into a patient. The valve is normally biased to a state which connects the low pressure system to the catheter for pressure monitori ...


2
Doug Duchon, Thomas Paulson, Robert F Wilson, Jiyan Liu: Infinitely refillable syringe. ACIST Medical Systems, Kramer Levin Naftalis & Frankel, December 2, 2003: US06656157 (101 worldwide citation)

An angiographic injector system includes a manifold and valve which selectively connects either a syringe pump or a low pressure system to a catheter which is inserted into a patient. The valve is normally biased to a state which connects the low pressure system to the catheter for pressure-monitori ...


3
Doug Duchon, Thomas Paulson, Vince Copa, Robert F Wilson, Jiyan Liu: Dual port syringe. Acist Medical Systems, Oppenheimer Wolff & Donnelly, August 8, 2000: US06099502 (87 worldwide citation)

A dual port syringe has an upper port for connection to a fluid reservoir and a lower port for delivery of the medical fluid under pressure to a patient. A first valve is connected between the fluid reservoir and the upper port, and second valve is connected between the lower port and the patient. D ...


4
Doug Duchon, Thomas Paulson, Vince Copa, Robert F Wilson, Jiyan Liu: Random speed change injector. ACIST Medical Systems, James W Inskeep, Oppenheimer Wolff & Donnelly, February 5, 2002: US06344030 (79 worldwide citation)

A dual port syringe has an upper port for connection to a fluid reservoir and a lower port for delivery of the medical fluid under pressure to a patient. A first valve is connected between the fluid reservoir and the upper port, and second valve is connected between the lower port and the patient. D ...


5
Doug Duchon, Thomas Paulson, Vince Copa, Robert F Wilson, Jiyan Liu: System for detecting air. ACIST Medical Systems, Oppenheimer Wolff & Donnelly, September 10, 2002: US06447481 (42 worldwide citation)

A dual port syringe has an upper port for connection to a fluid reservoir and a lower port for delivery of the medical fluid under pressure to a patient. A first valve is connected between the fluid reservoir and the upper port, and second valve is connected between the lower port and the patient. D ...


6
Doug Duchon, Vince Copa: Control device for providing a variable control signal to a fluid-supplying machine. Invasatec, Oppenheimer Wolff & Donnelly, November 23, 1999: US05988587 (22 worldwide citation)

A control device for controlling a fluid supplying machine. The control device includes a first handle and a second handle connected by a resilient attachment member. The resilient attachment member is configured to allow the first handle to move with respect to the second handle in response to an i ...


7
Doug Duchon, Thomas Paulson, Vince Copa, Robert F Wilson, Jiyan Liu: System for detecting air. Acist Medical Systems, Kramer Levin Naftali & Frankel, September 20, 2005: US06945959 (19 worldwide citation)

A dual port syringe has an upper port for connection to a fluid reservoir and a lower port for delivery of the medical fluid under pressure to a patient. A first valve is connected between the fluid reservoir and the upper port, and second valve is connected between the lower port and the patient. D ...


8
Doug Duchon, Thomas Paulson, Vince Copa, Robert F Wilson, Jiyan Liu: System for detecting air. Acist Medical Systems, Kramer Levin Naftalis & Frankel, December 26, 2006: US07153288 (17 worldwide citation)

A dual port syringe has an upper port for connection to a fluid reservoir and a lower port for delivery of the medical fluid under pressure to a patient. A first valve is connected between the fluid reservoir and the upper port, and second valve is connected between the lower port and the patient. D ...


9
Doug Duchon, Thomas Paulson, Vince Copa, Robert F Wilson, Jiyan Liu: System for detecting air. Acist Medical Systems, Kramer Levin Naftalis & Frankel, June 8, 2004: US06746427 (17 worldwide citation)

A dual port syringe has an upper port for connection to a fluid reservoir and a lower port for delivery of the medical fluid under pressure to a patient. A first valve is connected between the fluid reservoir and the upper port, and second valve is connected between the lower port and the patient. D ...


10
Doug Duchon, Thomas Paulson, Robert F Wilson, Jiyan Liu: Angiographic injector and injection method. ACIST Medical Systems, Kramer Levin Naftalis & Frankel, Aaron Haleva Esq, July 13, 2010: US07753885 (14 worldwide citation)

An angiographic injector system includes a manifold and valve which selectively connects either a syringe pump or a low pressure system to a catheter which is inserted into a patient. The valve is normally biased to a state which connects the low pressure system to the catheter for pressure monitori ...