Patents by Inventor Chris A. Rothe

Chris A. Rothe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20050251189
    Abstract: Multi-position tissue manipulation assemblies 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 adapted to engage tissue via a helical member, tissue stabilizing members positioned at the tubular member distal end which are adapted to stabilize tissue therebetween, and a delivery tube pivotable about the tissue stabilizer. One or all the articulation controls and functions can be integrated into a singular handle enclosure connectable to the tissue manipulation assembly via a rigid or flexible tubular body. A needle deployment mechanism may be positioned within the enclosure. Such a mechanism can have multiple positions adapted to lock and/or advance a needle assembly within the enclosure in a controlled manner as well as for deploying the anchor assembly.
    Type: Application
    Filed: September 29, 2004
    Publication date: November 10, 2005
    Applicant: USGI Medical Inc.
    Inventors: Vahid Saadat, Chris Rothe, Richard Ewers, Cang Lam, Robert Vaughan
  • Publication number: 20050250988
    Abstract: Removable apparatus for manipulating and securing tissue within a treatment space are described herein. In creating tissue folds within the body of a patient, a tissue manipulation assembly may generally have tissue stabilizing members adapted to stabilize tissue therebetween, an engagement member slidably disposed through the stabilizing members and having a distal end adapted to engage tissue, and a delivery tube pivotable about the tissue stabilizing members. The tissue manipulation assembly optionally may be configured for removable attachment to an endoscope.
    Type: Application
    Filed: December 1, 2004
    Publication date: November 10, 2005
    Applicant: USGI Medical Inc.
    Inventors: Richard Ewers, Vahid Saadat, Cang Lam, Chris Rothe
  • Publication number: 20050251202
    Abstract: Interlocking tissue anchor apparatus and methods 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 adapted to engage tissue via a helical member, tissue stabilizing members positioned at the tubular member distal end which are adapted to stabilize tissue therebetween, and a delivery tube pivotable about the tissue stabilizer. Anchor assemblies can be delivered via the tissue manipulation assembly into or through the tissue. The anchors can incorporate various temporary interlocking features or spacing elements between one another to ensure that an anchor is not prematurely ejected from the needle assembly. This allows the anchor assembly to be advanced distally as well as withdrawn proximally within a deployment sheath while avoiding inadvertently ejecting an anchor.
    Type: Application
    Filed: September 30, 2004
    Publication date: November 10, 2005
    Applicant: USGI Medical Inc.
    Inventors: Richard Ewers, Tracy Maahs, Cang Lam, Vahid Saadat, Chris Rothe
  • Publication number: 20050250986
    Abstract: Removable 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 tissue stabilizing members adapted to stabilize tissue therebetween, an engagement member slidably disposed through the stabilizing members and having a distal end adapted to engage tissue, and a delivery tube pivotable about the tissue stabilizing members. The tissue manipulation assembly optionally may be configured for removable attachment to an endoscope.
    Type: Application
    Filed: December 1, 2004
    Publication date: November 10, 2005
    Applicant: USGI Medical Inc.
    Inventors: Chris Rothe, Richard Ewers, Vahid Saadat, Cang Lam
  • Publication number: 20050245945
    Abstract: 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 point, thereby forming the tissue fold, and extending an anchor assembly through the tissue fold from a vicinity of the second tissue contact point. Adjustable anchor assemblies; as well as anchor delivery systems, shape-lockable guides and methods for endoluminally performing medical procedures, such as gastric reduction, treatment of gastroesophageal reflux disease, resection of lesions, and treatment of bleeding sites; are also provided.
    Type: Application
    Filed: November 17, 2004
    Publication date: November 3, 2005
    Applicant: USGI Medical Inc.
    Inventors: Rich Ewers, Vahid Saadat, Ken Michlitsch, Chris Rothe, Rodney Brenneman, Cang Lam, Eugene Chen
  • Publication number: 20050234296
    Abstract: The present invention provides methods and apparatus for obtaining endoluminal access. An elongate body is configured for insertion within a body lumen, conduit, organ, orifice or passageway, the elongate body having a working axis and a distal region, and an articulating element disposed near the distal region, the articulating element configured to articulate off-axis from the working axis of the elongate body. Methods of using apparatus of the present invention are also provided.
    Type: Application
    Filed: April 14, 2004
    Publication date: October 20, 2005
    Applicant: USGI Medical Inc.
    Inventors: Vahid Saadat, Desmond Birkett, Chris Rothe, Tracy Maahs
  • Publication number: 20050234294
    Abstract: The present invention provides methods and apparatus for obtaining endoluminal access. An elongate body is configured for insertion within a body lumen, conduit, organ, orifice, passageway or cavity, the elongate body having a working axis and a distal region, and an articulating element disposed near the distal region, the articulating element configured to articulate off-axis from the working axis of the elongate body. The elongate may achieve access in an endoluminal or a laparoscopic fashion. Methods of using the apparatus are also provided.
    Type: Application
    Filed: January 14, 2005
    Publication date: October 20, 2005
    Applicant: USGI Medical Inc.
    Inventors: Vahid Saadat, John Cox, Chris Rothe
  • Publication number: 20050203500
    Abstract: Apparatus and methods are provided for mapping out endoluminal gastrointestinal surgery, including endoluminal gastric reduction. Mapping is achieved by locally marking the interior of the gastrointestinal lumen at specified locations. In some variations, mucosectomy and/or mucosal ablation are performed to map out endoluminal GI surgery, to facilitate direct endoluminal engagement of underlying muscularis tissue and/or to initiate a wound healing response. Specialized apparatus may be provided to achieve desired spacing and/or positioning of tissue markings, as well as to actually form the markings. Methods of using apparatus of the present invention are provided.
    Type: Application
    Filed: September 29, 2004
    Publication date: September 15, 2005
    Applicant: USGI Medical Inc.
    Inventors: Vahid Saadat, Chris Rothe, Ruey-Feng Peh, Richard Ewers
  • Publication number: 20050075653
    Abstract: 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 point, thereby forming the tissue fold, and extending an anchor assembly through the tissue fold from a vicinity of the second tissue contact point. Adjustable anchor assemblies; as well as anchor delivery systems, shape-lockable guides and methods for endoluminally performing medical procedures, such as gastric reduction, treatment of gastroesophageal reflux disease, resection of lesions, and treatment of bleeding sites; are also provided.
    Type: Application
    Filed: November 18, 2004
    Publication date: April 7, 2005
    Applicant: USGI Medical Inc.
    Inventors: Vahid Saadat, Kenneth Michlitsch, Rich Ewers, Chris Rothe, Rodney Brenneman, Cang Lam, Eugene Chen
  • Publication number: 20040249367
    Abstract: Systems, devices and methods for endoscopic procedures are provided involving accessing and manipulating tissues beyond the capabilities of traditional endoscopic instruments. Embodiments of the systems include an elongated main body which has one or more independently shape-lockable sections and a variety of instruments which are either built in to the main body or advanceable through lumens which extend through the main body. Such instruments may include scopes, suction instruments, aspiration instruments, tool arms, plicators, needles, graspers, and cutters, to name a few. The ability to steer and shape-lock specific sections of the main body enables access to target locations which are typically challenging to reach and provides a stabilized platform to perform a desired procedure at the target location.
    Type: Application
    Filed: March 9, 2004
    Publication date: December 9, 2004
    Applicant: USGI MEDICAL CORP.
    Inventors: Vahid Saadat, Chris A. Rothe, Richard C. Ewers, Tracy D. Maahs, Kenneth J. Michlitsch
  • Publication number: 20040225183
    Abstract: 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 point, thereby forming the tissue fold, and extending an anchor assembly through the tissue fold from a vicinity of the second tissue contact point. Adjustable anchor assemblies; as well as anchor delivery systems, shape-lockable guides and methods for endoluminally performing medical procedures, such as gastric reduction, treatment of gastroesophageal reflux disease, resection of lesions, and treatment of bleeding sites; are also provided.
    Type: Application
    Filed: December 12, 2003
    Publication date: November 11, 2004
    Applicant: USGI MEDICAL
    Inventors: Ken Michlitsch, Vahid C. Saadat, Rich Ewers, Chris Rothe, Rodney Brenneman, Cang Lam, Eugene Chen
  • Publication number: 20040225305
    Abstract: 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 point, thereby forming the tissue fold, and extending an anchor assembly through the tissue fold from a vicinity of the second tissue contact point. Adjustable anchor assemblies; as well as anchor delivery systems, shape-lockable guides and methods for endoluminally performing medical procedures, such as gastric reduction, treatment of gastroesophageal reflux disease, resection of lesions, and treatment of bleeding sites; are also provided.
    Type: Application
    Filed: December 12, 2003
    Publication date: November 11, 2004
    Applicant: USGI MEDICAL
    Inventors: Rich Ewers, Vahid C. Saadat, Ken Michlitsch, Chris Rothe, Rodney Brenneman, Cang Lam, Eugene Chen
  • Publication number: 20040162568
    Abstract: 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 point, thereby forming the tissue fold, and extending an anchor assembly through the tissue fold from a vicinity of the second tissue contact point. Adjustable anchor assemblies; as well as anchor delivery systems, shape-lockable guides and methods for endoluminally performing medical procedures, such as gastric reduction, treatment of gastroesophageal reflux disease, resection of lesions, and treatment of bleeding sites; are also provided.
    Type: Application
    Filed: December 12, 2003
    Publication date: August 19, 2004
    Applicant: USGI MEDICAL
    Inventors: Vahid C. Saadat, Kenneth Jerome Michlitsch, Rich C. Ewers, Chris Rothe, Rodney Brenneman, Cang Lam, Eugene Chen