Company Filing History:
Years Active: 1998-2001
Title: Innovations by William Penn Sweezer in Cardiopulmonary Bypass Technology.
Introduction
William Penn Sweezer is a notable inventor based in Lafayette, CA (US). He has made significant contributions to the field of medical technology, particularly in cardiopulmonary bypass systems. With a total of 3 patents to his name, Sweezer's work has advanced surgical techniques and improved patient outcomes during heart surgeries.
Latest Patents
Sweezer's latest patents include a catheter system and method for providing cardiopulmonary bypass pump support during heart surgery. This innovative catheter system allows for total cardiopulmonary bypass by utilizing a venous perfusion catheter that is strategically positioned at the atrio-caval junction. The system features first and second balloons that occlude the inferior and superior vena cava, effectively preventing blood flow into the right atrium. Additionally, an arterial perfusion catheter is inserted into a preselected arterial vessel, positioned in the ascending aorta, and includes a second flexible arterial cannula for occlusion of the ascending aorta. This design facilitates the passage of cardioplegia solution to arrest the heart and evacuate blood from the aortic root, enhancing the efficiency of heart surgeries.
Career Highlights
Sweezer is currently associated with Heartport, Inc., a company dedicated to advancing minimally invasive surgical techniques. His work at Heartport has been instrumental in developing innovative solutions that improve surgical procedures and patient care.
Collaborations
Throughout his career, Sweezer has collaborated with notable colleagues, including James W. Jimison and Ronald L. Coleman. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
William Penn Sweezer's contributions to cardiopulmonary bypass technology exemplify the impact of innovation in the medical field. His patents reflect a commitment to improving surgical outcomes and enhancing patient safety during heart surgeries.