1
Andrzej J Chanduszko, Carol A Devellian: Transseptal puncture apparatus. NMT Medical, Finnegan Henderson Farabow Garrett & Dunner, February 23, 2010: US07666203 (56 worldwide citation)

Devices and methods for performing a transeptal puncture procedure are described. In certain embodiments, the device includes a blunt outer needle, and a second inner needle disposed longitudinally through the lumen of the outer needle, wherein the inner needle is flexible, e.g., has a flexible port ...


2
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 ...


3
Carol A Devellian, David Widomski, Andrzej J Chanduszko: Delivery/recovery system for septal occluder. NMT Medical, Helen S Liu, January 18, 2011: US07871419 (35 worldwide citation)

A delivery/recovery system to allow an operator to deploy and recover a medical implant, such as an occluder for closing a patent foramen ovale (PFO). In one embodiment, the system includes a delivery mandrel for preventing the occluder from moving in the proximal direction, a delivery wire for secu ...


4
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 ...


5
Carol A Devellian: Device and methods for preventing formation of thrombi in the left atrial appendage. W L Gore & Associates, DLA Piper, January 17, 2012: US08097015 (18 worldwide citation)

The embodiments of the present invention provide a device that modifies the left atrial appendage (LAA) to reduce the likelihood of thrombus formation therein. The device includes a liner that reduces the volume of the LAA and remodels the interior geometry and surfaces of the LAA thereby minimizing ...


6
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 ...


7
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, ...


8
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 ...


9
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 ...


10
Andrzej J Chanduszko, Carol A Devellian: Transseptal puncture apparatus. Pressure Products Medical Supplies, RatnerPrestia, October 23, 2012: US08292910 (2 worldwide citation)

Devices and methods for performing a transeptal puncture procedure are described. In certain embodiments, the device includes a blunt outer needle, and a second inner needle disposed longitudinally through the lumen of the outer needle, wherein the inner needle is flexible, e.g., has a flexible port ...