Michael A Spohn, Thomas P Joyce, Michael J Ehrenberg, James A Dedig, John A Haury, Susan L Felix, Gerald W Callan, John D Shearer Jr, Herbert Grubic, Ralph Kopacko, William D Barlow, Richard G Critchlow, Roderick H Beaulieu, Jennie Kwo, Luis A Pedraza: Drip chamber and fluid level sensing mechanism for a fluid delivery system. MEDRAD, David Schramm, Gregory L Bradley, April 3, 2012: US08147464 (31 worldwide citation)

The fluid injector system includes a source of injection fluid, a pump device, a fluid control device operably associated with the pump device, and a fluid path set in fluid connection with the source of injection fluid and the pump device. The fluid path set includes a drip chamber including an elo ...

Michael J Bonnette, Eric J Thor, Richard R Prather, Laszlo Trent Farago: Guidewire and collapsable filter system. MEDRAD, David Schramm, December 7, 2010: US07846175 (24 worldwide citation)

A guidewire with collapsible filter system where a deployable, collapsible and retrievable filter attached to a guidewire tube is utilized for filtering thrombotic particulate from blood flow in the vascular system during thrombectomy or other interventional vascular procedures.

Michael John Bonnette, Arun Saini, Ernest Ralph Scherger III, Eric Joel Thor, Stephen Earl Weisel: Pneumatically-operated thrombectomy catheter deployment system. MEDRAD, David Schramm, November 30, 2010: US07842010 (18 worldwide citation)

A pneumatically-operated thrombectomy catheter deployment system having a plurality of components collectively acting as a drive unit, including a double-acting air cylinder, a reciprocating assembly including a positionable four-way valve, a high pressure pump, an effluent pump, a compressed air ta ...

Eric Joel Thor, Michael John Bonnette, Nicole Jaye Aasen, Martyn Stuart Abbott, Douglas James Ball, Walter Charles Croll, David Charles Cummings, Chad Nicholas Grant, Mark Alfred Hilse, James Fredrick Karpinski, Daniel Joseph Kneip, Jeffrey William Rogers, Ernest Ralph Scherger III, John Lloyd Teschendorf, Stephen Earl Weisel, David Woodruff West: Thrombectomy catheter deployment system. Medrad, David Schramm, May 3, 2011: US07935077 (15 worldwide citation)

A thrombectomy catheter deployment system which greatly simplifies setup procedures and operation of a thrombectomy catheter includes a stand alone drive unit and a disposable pump/catheter assembly which is manually placed into a carriage assembly in the drive unit. The pump/catheter assembly has a ...

Michael John Bonnette, Eric Joel Thor, Stephen Earl Weisel, David Brian Morris: Atherectomy system having a variably exposed cutter. MEDRAD, David Schramm, May 31, 2011: US07951161 (12 worldwide citation)

An atherectomy system having a variably exposed cutter wherein a distally located positionable tip closely associated with the cutter and a high pressure fluid jet emanator can be variably and angularly deployed about a hinge mechanism subsequent to entry into the vasculature. The fixed cutter slice ...

Michael J Bonnette, Eric J Thor, Debra M Kozak, David B Morris, John L Teschendorf, Douglas J Ball, Stephen E Weisel: Miniature flexible thrombectomy catheter. Medrad, David Schramm, September 6, 2011: US08012117 (11 worldwide citation)

The present invention pertains to a miniature flexible thrombectomy catheter having one or more flexible miniature noncollapsing tubular portions including pushable and torqueable structure for introduction into the smaller vessels in neurovascular regions. A jet body having an arcuate fluid jet ema ...

Michael J Bonnette, Eric J Thor, Daniel T Janse: Cross stream thrombectomy catheter with flexible and expandable cage. Medrad, David Schramm, July 2, 2013: US08475487 (10 worldwide citation)

A cross stream thrombectomy catheter with a flexible and expandable cage preferably formed of nitinol for removal of hardened and aged thrombotic material stubbornly attached to the interior of a blood vessel. The cage, which can be mesh or of straight or spiral filament design, is located close to ...

Michael John Bonnette, Eric Joel Thor, Douglas James Ball, Debra M Kozak: Exhaust-pressure-operated balloon catheter system. MEDRAD, David Schramm, April 24, 2012: US08162878 (9 worldwide citation)

An exhaust-pressure-operated balloon catheter system which is a cross stream thrombectomy catheter, such as, but not limited to, an Angiojet® catheter with a flexible and expandable balloon, wherein the balloon is formed from and is continuous with the catheter tube which, in part, forms the cross s ...

Mark Trocki, Mark W Hitchins, Kevin P Cowan, Edward J Rhinehart: Front-loading syringe adapted to releasably engage a medical injector regardless of the orientation of the syringe with respect to the injector. Bayer Medical Care, David Schramm, Jill Denesvich, May 13, 2014: US08721596 (9 worldwide citation)

A syringe for use with an injector includes a body having a rear end and a front end, a plunger movably disposed within the body, an attachment member associated with the body and adapted to releasably engage a syringe retaining mechanism of the injector regardless of the orientation of the syringe ...

Ralph E Schriver, Michael A Spohn, Thomas P Joyce, Herbert M Grubic, John A Haury: Syringe having a proximal end with an outward extending lip. Medrad, David Schramm, December 25, 2012: US08337456 (9 worldwide citation)

A syringe includes a body having a distal end, a proximal end and a center section therebetween, a plunger movably disposed in the body, and a hollow alignment flange for orienting and manipulating the syringe.