1
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 ...


2
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 ...


3
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 ...


4
Richard C Ewers, Shirley Vong, Vahid Saadat: Compressible tissue anchor assemblies. USGI Medical, Levine Bagade Han, Charles C Fowler, June 15, 2010: US07736379 (114 worldwide citation)

Apparatus & methods for optimizing anchoring force are described herein. In securing tissue folds, over-compression of the tissue directly underlying the anchors is avoided by utilizing tissue anchors having expandable arms configured to minimize contact area between the anchor and tissue. When the ...


5
Vahid Saadat, Richard C Ewers, Eugene G Chen, David Miller: Endoluminal tool deployment system. USGI Medical, Levine Bagade Han, Charles C Fowler, December 29, 2009: US07637905 (109 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 having a scope therethrough and at least one steerable tool arm which extends fr ...


6
Vahid Saadat, Richard C Ewers, Tracy D Maahs, Alexander Khairkhahan, Kenneth J Michlitsch: System for optimizing anchoring force. USGI Medical, Levine Bagade Han, Charles C Fowler, April 13, 2010: US07695493 (99 worldwide citation)

Systems for optimizing anchoring force are described herein. In securing tissue folds, over-compression of the tissue directly underlying the anchors is avoided by utilizing tissue anchors having expandable arms configured to minimize contact area between the anchor and tissue. When the anchor is in ...


7
Chris Rothe, Richard C Ewers, Cang C Lam, Vahid Saadat, Kenneth J Michlitsch: Apparatus and methods for manipulating and securing tissue. USGI Medical, Levine Bagade Han, Charles C Fowler, March 25, 2008: US07347863 (84 worldwide citation)

Apparatus and methods for manipulating and securing tissue are described herein. In creating tissue folds within the body of a patient, a tissue manipulation assembly may generally have an elongate tubular member, an engagement member slidably disposed through the tubular member and a distal end ada ...


8
Vahid Saadat, Desmond H Birkett, Eugene G Chen: Methods and apparatus for performing endoluminal gastroplasty. USGI Medical, Charles C Fowler, Levine Bagade Han, April 5, 2011: US07918869 (73 worldwide citation)

The present invention provides methods and apparatus for endoluminally performing gastroplasty. In one variation, the apparatus comprises a sizing tube, and a steerable guide that may be reversibly disposed within the sizing tube. In another variation, the sizing tube and steerable guide are integra ...


9
Boris Reydel, Cang Lam, Richard C Ewers, Rodney Brenneman, Vahid Saadat: Apparatus and methods for endoscopic suturing. USGI Medical, Levine Bagade Han, Charles C Fowler, June 15, 2010: US07736372 (62 worldwide citation)

Apparatus & methods for endoscopic suturing are described herein. A distal tip of the endoscopic device engages the tissue and then approximates the engaged tissue to form a tissue fold. A needle body positioned within a flexible catheter is deployed into or through the newly created tissue fold whe ...


10
Richard C Ewers, Vahid Saadat, Kenneth J Michlitsch, Chris A Rothe, Rodney A Brenneman, Cang C Lam, Eugene G Chen: Apparatus and methods for forming and securing gastrointestinal tissue folds. USGI Medical, Levine Bagade Han, Charles C Fowler, June 29, 2010: US07744613 (61 worldwide citation)

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