Inventor · Boston, MA, US

David J. Callaghan

33Patents
10h-index
40Co-inventors
75Inventor score

Filing activity: Apr 24, 1996 → Sep 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8480706B2 Tubular patent foramen ovale (PFO) closure device with catch system Human Necessities 45 Active
US8764848B2 Occluder device double securement system for delivery/recovery of such occluder device Human Necessities 40 Active
US9861346B2 Patent foramen ovale (PFO) closure device with linearly elongating petals Human Necessities 35 Active
US9241695B2 Patent foramen ovale (PFO) closure clips Human Necessities 33 Active
US8277480B2 Catch member for PFO occluder Human Necessities 27 Active
US9326759B2 Tubular patent foramen ovale (PFO) closure device with catch system Human Necessities 23 Active
US8109946B2 Adjustable length patent foramen ovale (PFO) occluder and catch system Human Necessities 18 Active
US8814947B2 Deformable flap catch mechanism for occluder device Human Necessities 17 Active
US5630444A High pressure bellows valve Emerging Cross-Sectional Technologies 11 Expired
US9622757B2 Retrograde reamer depth tub gage Human Necessities 11 Active
US9243881B2 Retrograde reamer depth tub gage Human Necessities 10 Active
US10028800B2 Retrograde reamer depth tube gage Human Necessities 7 Active
US7797056B2 Removable intracardiac RF device Human Necessities 7 Active
US11375988B2 Patent foramen ovale (PFO) closure device with linearly elongating petals Human Necessities 5 Active
US10105150B2 Retro guidewire reamer Human Necessities 3 Active
US10568641B1 Retro guidewire reamer Human Necessities 3 Active
US8795329B2 Removable intracardiac RF device Human Necessities 3 Active
US8636765B2 Catch member for PFO occluder Human Necessities 1 Active
US10357259B2 Surgical instrument Human Necessities 1 Active
US8231619B2 Sterilization device and method Human Necessities 1 Active
US11957408B2 Medical device locking assemblies and methods of using the same Human Necessities 0 Active
US11793501B2 Medical device rotation assemblies and methods of using the same Human Necessities 0 Active
US11751888B2 Surgical instrument Human Necessities 0 Active
US10537320B2 Articulating needle Human Necessities 0 Active
US12262881B2 Medical device rotation assemblies and methods of using the same Human Necessities 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.