1
Gregory Piskun, Anatoly Konik, Dan Rottenberg: Laparoscopic instrument and cannula assembly and related surgical method. Tyco Healthcare Group, July 13, 2010: US07753901 (91 worldwide citation)

A laparoscopic port assembly includes a cannula unit including three cannulas each extending at an acute angle relative to a base. The cannulas are flexible for receiving respective angulated laparoscopic instruments. The cannula unit is rotatingly received in a port holder for rotation about a long ...


2
Dan Rottenberg, Dudu Haimovich: Heart assist system and method. H D S Systems, Fenster & Company Patent Attorneys, December 28, 1999: US06007479 (73 worldwide citation)

A cardiac assist device includes a cannula with intake and outflow valve in the distal end portion is positioned in a bloodstream. A diaphragm in the proximal portion of the cannula, powered by external pressure-producing mechanism, forms a reservoir to exert pressure on the cannula volume at the va ...


3
Avraham Zakay, Dan Rottenberg, David Mishaly, David Alon: Device and method for treatment of heart valve regurgitation. Edwards Lifesciences, David L Hauser, April 27, 2010: US07704277 (61 worldwide citation)

In one embodiment, the present invention provides a prosthesis that can be implanted within a heart to at least partially block gaps that may be present between the two mitral valve leaflets. In one preferred embodiment, the prosthesis includes an anchoring ring that expands within the left atrium t ...


4
Avraham Zakay, Dan Rottenberg, David Michaly, David Alon: Device and method for treatment of heart valve regurgitation. Edwards Lifesciences, David L Hauser, Pui Tong Ho, June 11, 2013: US08460370 (52 worldwide citation)

In one embodiment, the present invention provides a prosthesis that can be implanted within a heart to at least partially block gaps that may be present between the two mitral valve leaflets. In one preferred embodiment, the prosthesis includes an anchoring ring that expands within the left atrium t ...


5
Dan Rottenberg, Ori Braun, Avraham Aba Zakay, Ascher Shmulewitz, Yoram Rozy, Gad Keren: Device and method for controlling in-vivo pressure. V Wave, Jones Day, Nicola A Pisano, Jaime D Choi, December 6, 2011: US08070708 (40 worldwide citation)

A differential pressure regulating device is provided for controlling in-vivo pressure in a body, and in particularly in a heart. The device may include a shunt being positioned between two or more lumens in a body, to enable fluids to flow between the lumens, and an adjustable flow regulation mecha ...


6
Shumel Rahat, Joe Borman, Dan Rottenberg, Gideon Uretzky: Heart assist device. Galram Technology, Browdy and Neimark, March 24, 1992: US05098370 (40 worldwide citation)

There is provided a heart assist system aimed at saving lives of patients who's heart is failing temporarily. The assist system comprises means for continuously monitoring the hemodynamic parameter which define the demand of the body for blood to be circulated by the heart, means to define the heart ...


7
Yaron Keidar, Vaso Adzich, Dan Rottenberg, Boaz Manash, Alon Nahshon: Active holder for annuloplasty ring delivery. Edwards Lifesciences Corporation, AnneMarie Kaiser, Guy Cumberbatch, February 19, 2013: US08377117 (34 worldwide citation)

An active annuloplasty ring holder having a template that can be folded or pivoted to the side allowing the template to align longitudinally with the handle and enter the patient's chest through a small incision. The holder may include a mechanism to remotely detach sutures fastening the ring to the ...


8
Dan Rottenberg, Ehad Sondak, Dudu Haimovich: Method for producing heart valves. H D S Systems, Fenster & Company Patent Attorneys, December 26, 2000: US06165215 (34 worldwide citation)

A method for producing valves for blood flow control having an outer sleeve and a plurality of flexible leaflets fixed to an inner surface of the sleeve, including: molding the valve to a first shape, in which the valve leaflets are in a closed position; holding the valve in a second desired shape, ...


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Dan Rottenberg, Abi Zakay: Lumen reentry devices and methods. Boston Scientific, Seager Tufte & Wickhem, September 4, 2012: US08257382 (19 worldwide citation)

A device, such as for use with lumen reentry, including a catheter including a balloon disposed at a distal end thereof, the catheter being formed with a first lumen through the balloon for passing therethrough a guidewire and a second lumen for inflation and deflation of the balloon, the catheter a ...