1
Robert J Todd, Jaime E Yagge, James E Lowe, Terry M Wonder: Medical suction apparatus. Research Medical, Workman Nydegger & Seeley, August 1, 1995: US05437651 (780 worldwide citation)

The present invention is directed to a new and useful apparatus and method for absorbing and collecting blood and other fluids which accumulate in a patient during surgical procedures. An absorbent portion is connected to a suction source. When the absorbent portion is placed in contact with the flu ...


2
Robert J Todd, Gary L Crocker: Irregular surface balloon catheters for body passageways and methods of use. Research Medical, Workman Nydegger & Seeley, June 13, 1995: US05423745 (208 worldwide citation)

This invention relates to balloon catheters for use in infusing a solution into a body passageway, and their methods of use and manufacture. Each catheter contains at least one lumen through which a solution flows into the body. The balloons of each catheter are secured to the proximal end of the ca ...


3
Vahe S Yacoubian, Douglas G Fox, John T M Wright, Donald P Elliott: Vascular occluder. Research Medical, Trask Britt & Rossa, November 4, 1997: US05683405 (191 worldwide citation)

A vascular occluder clip including a resiliently-biased pair of clamping elements extending transversely to longitudinally-extending members. Gripping loops or pads are provided for grasping by the user and compression of the members against the biasing force to separate the clamping elements. The g ...


4
Michael N Kelly, John B Foster, Robert D Foster: Venous return catheter. Research Medical, Workman Nydegger & Jensen, January 27, 1987: US04639252 (118 worldwide citation)

A venous return catheter is provided having a first diameter distal portion suitable for insertion in a vena cava, a second, larger diameter proximal portion, and a transition portion forming a smooth transition between the first and second diameter portions. Drainage openings are provided in both t ...


5
Gerald D Buckberg, Robert J Todd: Retrograde venous cardioplegia catheters and methods of use and manufacture. Research Medical, Workman Nydegger & Jensen, June 4, 1991: US05021045 (115 worldwide citation)

This invention relates to a retrograde cardioplegia catheter and its method of use. The catheter contains two lumens, an infusion lumen through which the cardioplegic solution flows and a pressure sensing lumen for monitoring the fluid pressure at the point where the solution exits the catheter. A s ...


6
John C Alexander Jr, Carl A Swindle: Inflatable heart elevation apparatus and method. Research Medical, Workman Nydegger & Seeley, April 7, 1998: US05735791 (97 worldwide citation)

The present invention is directed to new and useful methods and apparatus for improving access to the heart during cardiac surgery, while avoiding damage to the phrenic nerves. The present invention comprises a heart elevation apparatus which is soft and substantially cylindrical, with substantially ...


7
Michael Dixon, Raymond Lawrence Stubber: Wound drainage system. Research Medical, Woodcock Washburn Kurtz Mackiewicz & Norris, August 31, 1999: US05944703 (92 worldwide citation)

A method and apparatus for withdrawing fluid from a wound comprising providing a passage between the wound and a collection container with a valve therebetween to control flow of fluid from the passage to the container. Cyclically establishing in the passage a level of vacuum at a selected value hig ...


8
Ronald P Grunwald, Robert J Todd: Cardiovascular cannula and obturator. Research Medical, Wells St John & Roberts, February 14, 1989: US04804359 (91 worldwide citation)

An improved venous cannula and obturator for interconnecting the superior and the inferior vena cava to the venous return line of a heart-lung machine. The cannula includes a pair of resilient, divergent hollow branches. The branches are of unequal length. The longer branch is to be received within ...


9
Gerald D Buckberg, James C McRea, Robert J Todd: Removable stylet for retrograde cardioplegia catheter and methods for use. Research Medical, Workman Nydegger & Jensen, July 13, 1993: US05226427 (85 worldwide citation)

This invention relates to a stylet for use with a retrograde cardioplegia catheter and its methods of use. The stylet includes a stylet rod, a handle on the proximal end of the stylet rod and a predetermined curve in the distal end of the stylet rod. The handle has a thumb rest on the proximal end a ...


10
James C McRea, Stephanie Poulsen, Yong Nian Xia, Kirk Fowers: Salvage of autologous blood via selective membrane/sorption technologies. Baxter Research Medical, Workman Nydegger & Seeley, January 12, 1999: US05858238 (85 worldwide citation)

Methods and apparatuses for salvaging blood from a patient are disclosed. A blood salvaging and/or blood processing circuit coupled to a cardiopulmonary bypass circuit, cardiotomy circuit, or directly to the patient comprises a hemocentrator for removing water, fluids, and low molecular weight solut ...