1
Mark A Christensen, Steven M Smith, Walter Shang, James D Beal: Valved sheath introducer for venous cannulation. C R Bard, Rutan & Tucker, December 29, 2009: US07637893 (78 worldwide citation)

A valved sheath introducer for venous cannulation, including a valve, sheath, handle and cap. The valve is configured to permit safe introduction and removal of medical instruments through the sheath introducer. The valve may have one or more anchoring members and a thickened central portion through ...


2
Steven M Smith, Mark A Christensen, Deborah K Jacobson: Wound irrigation shield. Wolfe Tory Medical, TraskBritt, June 11, 2002: US06402724 (57 worldwide citation)

A splash shield for use in wound irrigation comprises a three-dimensional shield member having a peripheral edge and a surface extending from the peripheral edge, the shield member being formed at least in part of flexible and pliant material for selectively shaping the peripheral edge to fit the sh ...


3
Steven M Smith, Mark A Christensen, Philip M Triolo, Deborah K Jacobson: Wound irrigation apparatus. TraskBritt, September 25, 2001: US06293929 (48 worldwide citation)

A wound irrigation apparatus comprising a fillable fluid delivery member, a fluid channel, and a splash shield for use in wound irrigation is disclosed. The splash shield is a three-dimensional shield positionable about a wound to protect medical personnel from the back splash resulting from wound i ...


4
Mark A Christensen, William Randy Barron: Catheter connection systems. C R Bard, Rutan & Tucker, May 15, 2012: US08177772 (40 worldwide citation)

A catheter connection system is disclosed. In one embodiment, a catheter connection system may include at least two components and a deformable sealing element positioned between the at least two components configured to allow, upon deformation, fluid flow through the at least two components. In ano ...


5
Marshall T Denton, Mark A Christensen: Fluid delivery valve. Wolfe Tory Medical, Trask Britt & Rossa, October 26, 1999: US05971357 (28 worldwide citation)

A fluid delivery valve for use in fluid conducting systems includes a rigid bracing member positioned within a hollow, flexible, resilient valve housing. By applying opposing lateral forces to the external surface of the housing near a widened portion of the bracing member, the valve housing deforms ...


6
Carl F Tripp Jr, Mark A Christensen, Eric Simon: Reusable fluid pressure transducer monitoring apparatus. Thermometrics, Workman Nydegger Seeley, October 21, 2003: US06635020 (27 worldwide citation)

An apparatus for monitoring fluid pressure includes a reusable base section, and a disposable dome section detachably connected to the base section. The disposable dome section defines a fluid pathway and includes a dome viewing segment in fluid communication with a flush segment and a stopcock segm ...


7
Mark A Christensen, Timothy R Wolfe, Perry W Croll, Marshall T Denton, Edward J Kimball: Apparatus for monitoring intra-abdominal pressure. Wolfe Tory Medical, TraskBritt, September 26, 2006: US07112177 (24 worldwide citation)

An apparatus for monitoring intra-abdominal pressure in a medical patient includes a urinary catheter connected to a urine valve having selectable communication positions between a discharge end of the urinary catheter and either a drain or a fluid source. Preferably, the urine valve has a housing a ...


8
Mark A Christensen, Timothy R Wolfe, Perry W Croll, Marshall T Denton, Edward J Kimball: Apparatus for monitoring intra-abdominal pressure. AbViser Medical, TraskBritt, February 22, 2011: US07892181 (21 worldwide citation)

An improved apparatus for monitoring the intra-abdominal pressure of a hospitalized patient includes a urinary catheter connected to a urine valve having selectable communication positions between a discharge end of the urinary catheter and either a drain or a fluid source. Preferably, the urine val ...


9
Mark A Christensen, Marshall T Denton: Bite valve. Wolfe Tory Medical, TraskBritt, March 23, 2004: US06708950 (20 worldwide citation)

An improved bite valve for use in personal hydration devices and other water dispensing systems. The valve has a flexible conduit sealed at an end by a cap. Fluid is blocked from flowing out of the conduit by the cap. The cap provides a fluid seal as a ring around an exterior surface of the conduit. ...


10
Mark A Christensen, William R Barron: Catheter connection systems. C R Bard, Rutan & Tucker, August 7, 2012: US08235971 (13 worldwide citation)

A catheter connection system is disclosed. In one embodiment, a catheter connection system may include at least two components and a deformable sealing element positioned between the at least two components configured to allow, upon deformation, fluid flow through the at least two components. In ano ...