1
Ronald Sahatjian: Drug delivery system making use of a hydrogel polymer coating. Boston Scientific Corporation, Fish & Richardson, April 19, 1994: US05304121 (765 worldwide citation)

The invention features a catheter and methods for delivering drug to tissue at a desired location of the wall of a body lumen. The catheter is constructed for insertion in a body lumen and has a catheter shaft and an expandable portion mounted on the catheter shaft. The expandable portion is expanda ...


2
Charles D Lennox, Richard A Noddin, Ronald Sahatjian: Device and method for heating tissue in a patients body. Fish & Richardson, September 11, 1990: US04955377 (595 worldwide citation)

Device and method for heating tissue, the device having a catheter shaft for insertion into a patient's body, a chamber formed by a collapsible balloon mounted on the catheter shaft and filled with an electrically conductive fluid, two or more electrical contacts enclosed within the chamber, a power ...


3
Charles D Lennox, Richard A Noddin, Ronald Sahatjian: Heated balloon catheters. Prutech Research and Development Partnership II, Fish & Richardson, November 29, 1994: US05368591 (406 worldwide citation)

Device and method for heating tissue, the device having a catheter shaft for insertion into a patient's body, a chamber formed by a collapsible balloon mounted on the catheter shaft and filled with an electrically conductive fluid, two or more electrical contacts enclosed within the chamber, a power ...


4
Ronald Sahatjian, Fernando Alvarez de Toledo: High elongation linear elastic guidewire. Boston Scientific Corporation, Fish & Richardson, August 24, 1993: US05238004 (346 worldwide citation)

A guidewire and a method for its manufacture, wherein at least the distal portion of the guidewire comprises an element made of a precursor of a superelastic alloy such as a Ni--Ti linear elastic alloy. The element exhibits a stress strain curve with a linear stress-strain relationship and a yield p ...


5
Charles D Lennox, Richard A Noddin, Ronald Sahatjian: Device for heating tissue in a patients body. Prutech Research and Development Partnership II, Fish & Richardson, March 9, 1993: US05191883 (336 worldwide citation)

Device and method for heating tissue, the device having a catheter shaft for insertion into a patient's body, a chamber formed by a collapsible balloon mounted on the catheter shaft and filled with an electrically conductive fluid, two or more electrical contacts enclosed within the chamber, a power ...


6
Ronald Sahatjian, Kurt Amplatz: Lubricious antithrombogenic catheters, guidewires and coatings. Boston Scientific Corporation, Fish & Richardson, August 4, 1992: US05135516 (283 worldwide citation)

Method for rendering a preformed article lubricious and antithrombogenic and a device being the same. On the surface of the article a thin coating of a biologically compatible, lubricious, hydrophilic polymer including acid groups, is provided. On the coating, ammonium cation, and heparin are applie ...


7
Arthur Rosenthal, James J Barry, Ronald Sahatjian: Triggered release hydrogel drug delivery system. Scimed Life Systems, Kenyon & Kenyon, February 25, 2003: US06524274 (173 worldwide citation)

The invention features a method for triggering release of a drug from a hydrogel polymer to tissue at a desired location of the body using a catheter. A portion of the catheter is coated on its outer surface with a polymer having the capacity to incorporate a predetermined substantial amount of drug ...


8
Arthur Rosenthal, James J Barry, Ronald Sahatjian: Triggered release hydrogel drug delivery system. Boston Scientific SciMed, Kenyon & Kenyon, June 27, 2006: US07066904 (165 worldwide citation)

The invention features a method for triggering release of a drug from a hydrogel polymer to tissue at a desired location of the body using a catheter. A portion of the catheter is coated on its outer surface with a polymer having the capacity to incorporate a predetermined substantial amount of drug ...


9
Ronald Sahatjian, Arthur R Madenjian: Balloon for medical catheter. Boston Scientific Corporation, Fish & Richardson, April 26, 1994: US05306246 (138 worldwide citation)

An inflatable medical dilation balloon and methods for forming the same wherein the balloon member is comprised of a polymer bled including a predominant amount of a crystalline polymer, e.g. a polyester, and a compliance enhancing additive polymer, e.g. a polyolefin, in amount sufficient to interru ...


10
Jennifer McCrory, Patrik Luscher, Kalpana Kamath, Ronald Sahatjian: System for implanting a cross-linked polysaccharide fiber and methods of forming and inserting the fiber. Boston Scientific Corporation, Finnegan Henderson Farabow Garrett & Dunner L, October 31, 2000: US06139520 (54 worldwide citation)

Systems and methods are disclosed for implanting and forming both a polysaccharide fiber and an implant formed of the fiber. In one system, a liquid including polysaccharide and a liquid including a cross linking agent are mixed in a cannula to form a cross linked polysaccharide fiber in the cannula ...