1
Vahid Saadat, Richard C Ewers, Eugene G Chen: Shape lockable apparatus and method for advancing an instrument through unsupported anatomy. USGI Medical, Townsend and Townsend and Crew, September 14, 2004: US06790173 (445 worldwide citation)

Apparatus and methods are provided for placing and advancing a diagnostic or therapeutic instrument in a hollow body organ of a tortuous or unsupported anatomy, comprising a handle, an overtube, a distal region having an atraumatic tip. The overtube may be removable from the handle, and have a longi ...


2
Richard C Ewers, Vahid Saadat: Shape lockable apparatus and method for advancing an instrument through unsupported anatomy. USGI Medical, Townsend and Townsend and Crew, November 1, 2005: US06960163 (405 worldwide citation)

Apparatus and methods are provided for placing and advancing a diagnostic or therapeutic instrument in a hollow body organ of a tortuous or unsupported anatomy, comprising a handle, an overtube disposed within a hydrophilic sheath, and a distal region having an atraumatic tip. The overtube may be re ...


3
Robert A Vaughan, Cang C Lam, Richard C Ewers, Vahid Saadat: Tissue manipulation and securement system. USGI Medical, Levine Bagade Han, Charles C Fowler, June 15, 2010: US07736374 (296 worldwide citation)

Tissue manipulation and securement systems are described herein. A tissue manipulation assembly is pivotably coupled to the distal end of a tubular member and has a lower jaw member and an upper jaw member pivotably coupled to the lower jaw member. A reconfigurable launch tube is also pivotably coup ...


4
Hendrik S Westra, Cang C Lam, Richard C Ewers, Vahid Saadat: Methods for grasping and cinching tissue anchors. USGI Medical, Levine Bagade Han, Charles C Fowler, June 24, 2008: US07390329 (264 worldwide citation)

Methods and apparatus for controlled grasping and cinching or locking of a tissue anchor are provided. In one variation, a tube is provided having a lumen and a resilient member that obstructs the lumen. A grasper may be advanced coaxially through the lumen, such that it reversibly displaces the res ...


5
Vahid Saadat: Multi-barbed device for retaining tissue in apposition and methods of use. USGI Medical, Townsend and Townsend and Crew, January 31, 2006: US06991643 (237 worldwide citation)

A multi-barbed apparatus is provided, and methods of use, for penetrating two sides of a wound and holding the edges in apposition. The apparatus may be inserted within a wound or underneath the skin, and mechanically adheres the two sides of the wound together. The apparatus includes a biocompatibl ...


6
Vahid Saadat: Implantable artificial partition and methods of use. USGI Medical, Levine Bagade Han, January 9, 2007: US07160312 (234 worldwide citation)

Apparatus and methods are provided for partitioning a gastro-intestinal lumen by intraluminally reducing a local cross-sectional area thereof. The apparatus comprises a plurality of anchors adapted for intraluminal penetration into a wall of the gastro-intestinal lumen to prevent migration or dislod ...


7
Cang Lam, Rich Ewers, Alexander Khairkhahan, Vahid C Saadat: Apparatus and methods for forming and securing gastrointestinal tissue folds. USGI Medical, Levine Bagade Han, Charles C Fowler Esq, August 26, 2008: US07416554 (233 worldwide citation)

Apparatus and methods are provided for forming a gastrointestinal tissue fold by engaging tissue at a first tissue contact point, moving the first tissue contact point from a position initially distal to a second tissue contact point to a position proximal of the second contact point to form a tissu ...


8
Saadat Vahid, Ewers Richard C, Chen Eugene, Miller David: Endoluminal tool deployment system. Usgi Medical, Saadat Vahid, Ewers Richard C, Chen Eugene, Miller David, THOMPSON Lynn M, August 5, 2004: WO/2004/064600 (193 worldwide citation)

Systems, devices and methods are provided for endoscopic procedures involving tissue manipulations beyond the capabilities of traditional endoscopic instruments. Embodiments of the systems include an elongated main body (10) having a scope (28) therethrough and at least one steerable tool arm (30), ...


9
Vahid Saadat, Richard C Ewers: Shape lockable apparatus and method for advancing an instrument through unsupported anatomy. USGI Medical, Townsend and Townsend and Crew, November 1, 2005: US06960162 (180 worldwide citation)

Apparatus and methods are provided for placing and advancing a diagnostic or therapeutic instrument in a hollow body organ of a tortuous or unsupported anatomy, comprising a handle, an overtube disposed within a hydrophilic sheath, and a distal region having an atraumatic tip. The overtube may be re ...


10
Richard C Ewers, Vahid Saadat, Boris Reydel: Shape lockable apparatus and method for advancing an instrument through unsupported anatomy. USGI Medical, Towsend and Townsend and Crew, September 13, 2005: US06942613 (149 worldwide citation)

Apparatus and methods are provided for placing and advancing a diagnostic or therapeutic instrument in a hollow body organ of a tortuous or unsupported anatomy, comprising a handle, an overtube disposed within a hydrophilic sheath, and a distal region having an atraumatic tip. The overtube may be re ...