1
Michael A Evans, Denise M Demarais, Stephen A Leeflang, Christian S Eversull: Expansible shearing catheters for thrombus removal. Bacchus Vascular, Mark D Barrish Esq, Townsend & Townsend & Crew, November 25, 2003: US06652548 (232 worldwide citation)

Devices, methods, kits, and methods remove clot material from the vasculature and other body lumens. Expansible baskets may be used as cooperating radially expansible shearing members. Helically oriented struts of each basket may wind in a uniform circumferential direction. The struts can be indepen ...


2
Denise Demarais, Michael A Evans, Stephen A Leeflang, Christian S Eversull: Systems and methods for clot disruption and retrieval. Bacchus Vascular, Townsend and Townsend and Crew, September 24, 2002: US06454775 (231 worldwide citation)

Thrombectomy and other treatments are achieved using a catheter having a positioning cage and a macerator within the positioning cage. The catheter is introduced to a target body lumen, typically a blood vessel, and a positioning cage deployed at a treatment site. The macerator is then operated to d ...


3
Denise Demarais, Michael A Evans, Stephen A Leeflang, Christian S Eversull: Systems and methods for clot disruption and retrieval. Bacchus Vascular, Townsend and Townsend and Crew, September 20, 2005: US06945977 (92 worldwide citation)

Thrombectomy and other treatments are achieved using a catheter having a positioning cage and a macerator within the positioning cage. The catheter is introduced to a target body lumen, typically a blood vessel, and a positioning cage deployed at a treatment site. The macerator is then operated to d ...


4
Michael A Evans, Denise M Demarais, Christian S Eversull, Stephen A Leeflang: System and methods for clot dissolution. Bacchus Vascular, Townsend and Townsend and Crew, December 16, 2003: US06663613 (82 worldwide citation)

Clot disruption and dissolution are achieved using a catheter having both an agitator and the ability to deliver a thrombolytic agent. The catheter is introduced to a target region with a blood vessel and the agitator manipulated to engage and disrupt a region of clot therein. The thrombolytic agent ...


5
Denise Demarais, Michael A Evans, Stephen A Leeflang, Christian S Eversull: Systems and methods for clot disruption and retrieval. Bacchus Vascular, Townsend and Townsend and Crew, December 9, 2003: US06660014 (76 worldwide citation)

Thrombectomy and other treatments are achieved using a catheter having a positioning cage and a macerator within the positioning cage. The catheter is introduced to a target body lumen, typically a blood vessel, and a positioning cage deployed at a treatment site. The macerator is then operated to d ...


6
Denise M Demarais, Stephen A Leeflang, Michael A Evans, Gwendolyn A Watanabe, John C Tanner III, Christian S Eversull: Mechanical pump for removal of fragmented matter and methods of manufacture and use. Bacchus Vascular, Townsend and Townsend and Crew, March 9, 2004: US06702830 (64 worldwide citation)

Material transport catheters and methods for their use rely on rotation of an impeller within a catheter body. The impeller preferably comprises an inner tube or shaft having a helical rotor formed over an outer surface thereof. Optionally, in the case of a tubular shaft, a second helical rotor may ...


7
Christine P Ventura, Alfonso N Pulido, Stephen A Leeflang, Christian S Eversull: Shapeable or steerable guide sheaths and methods for making and using them. Medtronic, August 9, 2011: US07993350 (36 worldwide citation)

Apparatus and methods are provided for providing access to a body lumen, e.g., to deliver a pacing lead within a patient's heart. The apparatus includes a tubular member including a proximal end, a distal end sized for insertion into a body lumen, and a lumen extending therebetween. An elongate memb ...


8
Christian S Eversull, Stephen A Leeflang, Nicholas J Mourlas, Christine P Ventura: Expandable guide sheath with steerable backbone and methods for making and using them. Medtronic, January 25, 2011: US07875049 (32 worldwide citation)

Apparatus and methods are provided for providing access to a body lumen. The apparatus includes a tubular member including a proximal end, a distal end sized for insertion into a body lumen, and a lumen extending therebetween. A pushable stiffening member extends from the distal end of the tubular m ...


9
Stephen A Leeflang, Christine P Ventura, Christian S Eversull, Nicholas J Mourlas, Christopher Loew: Expandable guide sheath and apparatus and methods for making them. Medtronic, May 11, 2010: US07713281 (28 worldwide citation)

Apparatus and methods are provided for providing access to a body lumen. The apparatus includes a tubular member including a proximal end, a distal end sized for insertion into a body lumen, and a lumen extending between the proximal and distal ends. A pushable stiffening member extends from the dis ...


10
Denise M Demarais, Stephen A Leeflang, Michael A Evans, Gwendolyn A Watanabe, John C Tanner III, Christian S Eversull: Mechanical pump for removal of fragmented matter and methods of manufacture and use. Tyco Healthcare Group, Mark J Kertz Esq, October 2, 2012: US08277470 (25 worldwide citation)

Material transport catheters and methods for their use rely on rotation of an impeller within a catheter body and a clearing element for preventing buildup of materials at the opening of the catheter body. The impeller preferably comprises an inner tube or shaft having a helical rotor formed over an ...