1
Henning Rud Andersen, John Michael Hasenkam, Lars Lyhne Knudsen: System and method for implanting cardiac valves. Jeffry J Grainger, Jens E Hoekendijk, Michael J Lynch, November 24, 1998: US05840081 (832 worldwide citation)

A valve prosthesis (9) for implantation in the body by use of catheter (11) comprises a stent made from an expandable cylinder-shaped thread structure (2,3) comprising several spaced apices (4). The elastically collapsible valve (4) is mounted on the stent as the commissural points (5) of the valve ...


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Lee R Bolduc, Christopher F Heck: Surgical stapling instrument. Heartport, Jeffry J Grainger, Jens E Hoekendijk, Michael J Lynch, March 31, 1998: US05732872 (688 worldwide citation)

A stapler for stapling a tubular structure to another structure. The stapler has an anvil which is expandable from a collapsed position to an expanded position. The stapler has a recess which receives at least a portion of the tubular structure and a shoulder which receives an everted end of the tub ...


4
Kirsten L Valley, David W Snow, William S Peters: Endovascular system for arresting the heart. Heartport, Jeffry J Grainger, Jens E Hoekendijk, Michael J Lynch, June 16, 1998: US05766151 (484 worldwide citation)

Devices and methods are provided for temporarily inducing cardioplegic arrest in the heart of a patient and for establishing cardiopulmonary bypass in order to facilitate surgical procedures on the heart and its related blood vessels. Specifically, a catheter based system is provided for isolating t ...


5
John H Stevens, Wesley D Sterman, Hanson S Gifford III: System for cardiac procedures. Heartport, Jeffry J Grainger, Jens E Hoekendijk, Michael J Lynch, June 23, 1998: US05769812 (392 worldwide citation)

A system for accessing a patient's cardiac anatomy which includes an endovascular aortic partitioning device that separates the coronary arteries and the heart from the rest of the patient's arterial system. The endovascular device for partitioning a patient's ascending aorta comprises a flexible sh ...


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Richard L Mueller, Stephen W Boyd, James R Flom, Lorraine F Mangosong, William S Peters: Soft tissue retractor and method for providing surgical access. Heartport, Jeffry J Grainger, Jens E Hoekendijk, Michael J Lynch, September 22, 1998: US05810721 (388 worldwide citation)

The present invention provides a retractor for providing surgical access through a passage in tissue, together with methods for its use and deployment. The retractor comprises an anchoring frame having an upper surface, a lower surface, and an opening therethrough which defines an axial axis. A flex ...


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Alex T Roth, Scott H Miller: Endoscopic microsurgical instruments and methods. Heartport, Jeffry J Grainger, Jens E Hoekendijk, Michael J Lynch, September 22, 1998: US05810877 (323 worldwide citation)

The invention provides devices and method for performing extremely small-scale, minimally-invasive microsurgery such as thoracoscopic coronary artery bypass grafting. The instruments of the invention utilize a symmetrical, forcep-like actuator which provides extremely precise actuation and control o ...


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Stephen W Boyd, Alan R Rapacki, William S Peters: Devices and methods for port-access multivessel coronary artery bypass surgery. Heartport, Jeffry J Grainger, Jens E Hoekendijk, Michael J Lynch, September 1, 1998: US05799661 (288 worldwide citation)

Surgical methods and instruments are disclosed for performing port-access or closed-chest coronary artery bypass (CABG) surgery in multivessel coronary artery disease. In contrast to standard open-chest CABG surgery, which requires a median sternotomy or other gross thoracotomy to expose the patient ...


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Kirsten L Valley, David W Snow, Sylvia W Fan, Richard L Mueller Jr: Methods and apparatus for anchoring an occluding member. Heartport, Jeffry J Grainger, Jans E Hoskendijk, Michael J Lynch, August 18, 1998: US05795325 (228 worldwide citation)

Pressure is measured on both sides of an occluding member for determining when pressure forces on the occluding member may cause migration of the occluding member. An alarm indicates when the pressure force on the balloon exceed a predetermined threshold. In another aspect of the invention, a pressu ...


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David W Snow, Craig L Adams, Brian S Donlon, Hanson S Gifford III: Coronary shunt and method of use. Heartport, Jeffry J Grainger, Jens E Hoekendijk, Michael J Lynch, August 25, 1998: US05797933 (189 worldwide citation)

A coronary shunt for occluding both sides of an anastomosis site and providing a blood flow path across the anastomosis site. The shunt includes two occluding members sized and configured to occlude the coronary artery. A tether is attached to the coronary shunt and is used to remove the coronary sh ...