1
Andrzej Chanduszko, Carol A Devellian, David R Widomski: Devices, systems, and methods for suturing tissue. NMT Medical, Finnegan Henderson Farabow Garrett & Dunner L, April 6, 2010: US07691112 (42 worldwide citation)

The invention relates to devices, systems, and methods for percutaneously suturing biological material, such as a patient's tissues. In one embodiment, a suturing device includes first and second tissue engaging members connected to one another by a first interconnecting member. In another embodimen ...


2
Andrzej J Chanduszko, David R Widomski, Carol A Devellian: Catching mechanisms for tubular septal occluder. W L Gore & Associates, DLA Piper, September 4, 2012: US08257389 (25 worldwide citation)

A septal occluder, such as one made from a polymer tube, can have portions on either side of a patent foramen ovale (PFO) or other septal defect. The portions on either side can be held in place with a catching mechanism that can take one of many forms. The tube can be made of bioresorbable material ...


3
Andrzej J Chanduszko, David R Widomski: Double coil occluder. NMT Medical, Helen S Liu, November 30, 2010: US07842053 (16 worldwide citation)

An occluder that has a coil on one or both sides of a medical defect, particularly a septal defect such as a patent foramen ovale (PFO). Each coil can be formed as a tube that is hollow, with or without a closed end. The tube can be delivered over a wire. For occluding a PFO, the coils can be design ...


4
David R Widomski, Carol A Devellian, Morris Simon: Double spiral patent foramen ovale closure clamp. W L Gore & Associates, DLA Piper, June 17, 2014: US08753362 (7 worldwide citation)

The present invention provides a device which is adapted to press together the septum primum and the septum secundum between the atrial chambers to close any tunnel in the septum. The device in its preferred form has two clamping members, one on each side of the septum and a central connector which ...


5
David R Widomski, Carol A Devellian, Eileen M Heneberry, Andrzej J Chanduszko, Robert M Carr: Devices, systems, and methods for closure of cardiac openings. W L Gore & Associates, DLA Piper, September 11, 2012: US08262694 (7 worldwide citation)

The invention generally relates to devices, systems, and methods for percutaneous closure of cardiac openings and obliteration of the cardiac cul-de-sacs. In one embodiment, a closure device includes a patch with an adhesive and/or a removable frame. The patch may be placed across a cardiac opening, ...


6
Andrzej J Chanduszko, David R Widomski, Carol A Devellian: Welding systems useful for closure of cardiac openings. W L Gore & Associates, DLA Piper, August 2, 2011: US07988690 (6 worldwide citation)

A welding element is provided for applying heat, chemicals, pressure, or any combination thereof to tissues inside a patient's body, e.g., a patent foramen ovale. In one aspect, the welding element is connected to a radio frequency energy source and includes an electrode and a locator. The locator f ...


7
Andrzej J Chanduszko, David R Widomski, Carol A Devellian: Catching mechanisms for tubular septal occluder. W L Gore & Associates, DLA Piper, July 9, 2013: US08480709 (4 worldwide citation)

A septal occluder, such as one made from a polymer tube, can have portions on either side of a patent foramen ovale (PFO) or other septal defect. The portions on either side can be held in place with a catching mechanism that can take one of many forms. The tube can be made of bioresorbable material ...


8
David R Widomski, Steven W Opolski, Andrzej J Chanduszko, Carol A Devellian: Inflatable occluder. NMT Medical, Helen S Liu, November 30, 2010: US07842069 (2 worldwide citation)

An implant for occluding a septal defect, such as a patent foramen ovale (PFO), and methods of delivering the implant are described. The implant includes a scaffold, at least one channel, and an injection port in fluid communication with the channels for inflating the scaffold.


9
Andrzej J Chanduszko, David R Widomski, Carol A Devellian: Catching mechanisms for tubular septal occluder. W L GORE & ASSOCIATES, January 17, 2017: US09545247

A septal occluder, such as one made from a polymer tube, can have portions on either side of a patent foramen ovale (PFO) or other septal defect. The portions on either side can be held in place with a catching mechanism that can take one of many forms. The tube can be made of bioresorbable material ...


10
David R Widomski, Carol A Devellian, Eileen M Heneberry, Andrzej J Chanduszko, Robert M Carr: Devices, systems and methods for closure of cardiac openings. W L Gore & Associates, DLA Piper, January 29, 2013: US08361111

The invention generally relates to devices, systems, and methods for percutaneous closure of cardiac openings and obliteration of the cardiac cul-de-sacs. In one embodiment, a closure device includes a patch with an adhesive and/or a removable frame. The patch may be placed across a cardiac opening, ...