1
Michi E Garrison, Hanson S Gifford III, Frederick G St Goar: Methods and devices for implanting cardiac valves. July 30, 2002: US06425916 (833 worldwide citation)

The valve implantation system has a valve displacer for displacing and holding the native valve leaflets open in a first aspect of the invention. A replacement valve may be attached to the valve displacer before or after introduction and may be positioned independent of the valve displacer. In anoth ...


2
Wesley D Sterman, Michi E Garrison, Hanson S Gifford III, John H Stevens: Devices and methods for intracardiac procedures. Heartport, Townsend and Townsend and Crew, November 5, 1996: US05571215 (631 worldwide citation)

The invention provides devices and methods for performing less-invasive surgical procedures within an organ or vessel. In an exemplary embodiment, the invention provides a method of closed-chest surgical intervention within an internal cavity of a patient's heart or great vessel. According to the me ...


3
Kevin Ham, Michi E Garrison, Farhad Khosravi: Temporary stenting catheter with one-piece expandable segment. Advanced Cardiovascular Systems, Fulwider Patton Lee & Utecht, October 10, 1995: US05456667 (521 worldwide citation)

An intravascular catheter with an expandable region formed of a tubular material that continues the distal end of the catheter body in a one-piece configuration and is radially expanded and contracted by means of a control wire. The interior of the expandable region is in fluid communication with a ...


4
Brian S Donlon, William S Peters, Michi E Garrison, Daniel C Rosenman, John H Stevens: Less-invasive devices and methods for cardiac valve surgery. Heartport, Jens E Hoekendijk, Jeffry J Grainger, January 4, 2000: US06010531 (392 worldwide citation)

Systems and methods are disclosed for performing less-invasive surgical procedures within the heart. A method for less-invasive repair or replacement of a cardiac valve comprises placing an instrument through an intercostal access port and through a penetration in a wall of a vessel in communication ...


5
Sean Christopher Daniel, Brian S Donlon, Michi E Garrison, Hanson S Gifford III, Daniel C Rosenman, William S Peters, Robert L Lathrop II, George Crothall, James B Mullin, Gerald R Anderson, Wiley A Kittrell: Endoscopic suturing devices and methods. Heartport, Jeffry J Grainger, Jens E Hoekendijk, January 19, 1999: US05860992 (282 worldwide citation)

The invention provides devices and methods for suture placement while performing less invasive surgical procedures within a body cavity. In an exemplary embodiment, the invention provides for the placement of sutures within the heart or a great vessel that is accessed from outside the closed chest. ...


6
Michi E Garrison, Timothy R Machold: Method of repairing a damaged blood vessel with an expandable cage catheter. Advanced Cardiovascular Systems, Fulwider Patton Lee & Utecht, July 23, 1991: US05034001 (273 worldwide citation)

A vascular catheter having an expandable cage mounted on the distal end of a tubular member which is radially expanded and contracted by means of a control wire which is secured to the distal end of the expandable cage. The control wire extends through a first inner lumen within the tubular member w ...


7
Michi E Garrison, Brian S Donlon, S Christopher Daniel, John H Stevens: Less-invasive devices and methods for treatment of cardiac valves. Heartport, Jens E Hoekendijk, Jeffry J Grainger, October 26, 1999: US05972030 (268 worldwide citation)

Devices and methods are provided for less-invasive surgical treatment of cardiac valves whereby the need for a gross thoracotomy or median sternotomy is eliminated. In one aspect of the invention, a delivery system for a cardiac valve prosthesis such as an annuloplasty ring or prosthetic valve inclu ...


8
Timothy R Machold, Michi E Garrison: Expandable cage catheter with a rotatable guide. Advanced Cardiovascular Systems, Fulwider Patton Lee & Utecht, March 26, 1991: US05002560 (266 worldwide citation)

A steerable vascular catheter having an expandable cage mounted on the distal end of a tubular member which is radially expanded and contracted by means of a guidewire which is disposed within an inner lumen in the tubular member and secured to the distal end of the expandable cage. A helical coil i ...


9
Michi E Garrison: Rapidly exchangeable and expandable cage catheter for repairing damaged blood vessels. Advanced Cardiovascular Systems, Fulwider Patton Lee & Utecht, January 19, 1993: US05180368 (262 worldwide citation)

An intravascular catheter having an expandable cage mounted on the distal end of a tubular member which is radially expanded and contracted by means of a control wire. The control wire extends through a first inner lumen within the tubular member which extends along essentially the entire length the ...


10
Wesley D Sterman, Michi E Garrison, Hanson S Gifford III, John H Stevens: Devices and methods for intracardiac procedures. Heartport, Jeffrey J Grainger, Jens E Hoekendijk, September 29, 1998: US05814097 (243 worldwide citation)

The invention provides devices and methods for performing less-invasive surgical procedures within an organ or vessel. In an exemplary embodiment, the invention provides a method of closed-chest surgical intervention within an internal cavity of a patient's heart or great vessel. According to the me ...