1
Stephen Leeflang, Denise DeMarais, Michael Evans: Apparatus and methods for capturing particulate material within blood vessels. Bacchus Vascular, Townsend and Townsend and Crew, October 21, 2003: US06635070 (286 worldwide citation)

An apparatus includes a jet housing including an inlet and an outlet, and a nozzle within the jet housing for injecting fluid towards the outlet. A filter element is disposed on the inlet, the filter element including openings for preventing particulate larger than a predetermined size from entering ...


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 (244 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
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 (244 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 ...


4
Will R Dubrul, Michael A Evans: Motion catheter. Bacchus Vascular, Townsend and Townsend and Crew, September 11, 2001: US06287271 (102 worldwide citation)

The present invention describes a catheter suitable for introduction into a tubular tissue for dissolving blockages in such tissue. The catheter is particularly useful for removing thrombi within blood vessels. In accordance with the preferred embodiments, a combination of vibrating motion and injec ...


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, September 20, 2005: US06945977 (101 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
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 (85 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 ...


7
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 (85 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 ...


8
Michael A Evans, Denise Demarais, Dino De Cicco, Kelvin Ning, Alexander Khairkhahan, Tyler Jon Strang, Jody Maria Cimbalo, Stephen Leeflang: Apparatus and methods for clot dissolution. Bacchus Vascular, Townsend and Townsend and Crew, August 16, 2005: US06929633 (69 worldwide citation)

Clot disruption and dissolution are achieved using a catheter having the ability to infuse a thrombolytic agent, agitate the clot and agent, and aspirate broken-up clot from the blood vessel. A flow resistor in the catheter provides for infusion and/or aspiration to be concentrated primarily at a cl ...


9
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 (66 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 ...


10
Michael Evans, Denise Demarais, Gwendolyn Watanabe, Stephen Leeflang: Devices for percutaneous remote endarterectomy. Bacchus Vascular, Townsend and Townsend and Crew, April 14, 2009: US07517352 (64 worldwide citation)

The present invention provides devices, systems, methods and kits for the percutaneous removal of unwanted tissue or obstructive matter from body cavities or lumens, particularly from the vasculature. Blood vessels, including the coronary, peripheral and neurovascular circulation, which are narrowed ...