Patents by Inventor John F. Cvinar
John F. Cvinar 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).
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Patent number: 8303669Abstract: The present invention relates to an anchor configured for minimally-invasive implantation and sized to remain securely positioned within at least a portion of the gastrointestinal tract of an animal. The anchor includes a radial spring formed from an elongated resilient member shaped into an annular wave pattern about a central axis. The anchor defines a central lumen and provides an outward radial force, while allowing for substantial flexure about its perimeter. The anchor is generally removable, but can include fasteners, such as barbs, to further secure it to the surrounding anatomy. In some embodiments, the anchor includes a connector coupling a fixed portion to a removable portion. Further, the anchor can be used to secure a medical device within the body, such as a flexible sleeve within the intestine.Type: GrantFiled: September 13, 2010Date of Patent: November 6, 2012Assignee: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
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Publication number: 20120215152Abstract: Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the stomach and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for anchoring the device to the stomach and a flexible sleeve. When implanted within the intestine, the sleeve can limit the absorption of nutrients, delay the mixing of chyme with digestive enzymes, altering hormonal triggers, providing negative feedback, and combinations thereof. The anchor is collapsible for endoscopic delivery and removal.Type: ApplicationFiled: February 21, 2012Publication date: August 23, 2012Applicant: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, David A. Melanson, John C. Meade
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Patent number: 8162871Abstract: Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the stomach and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for anchoring the device to the stomach and a flexible sleeve. When implanted within the intestine, the sleeve can limit the absorption of nutrients, delay the mixing of chyme with digestive enzymes, altering hormonal triggers, providing negative feedback, and combinations thereof. The anchor is collapsible for endoscopic delivery and removal.Type: GrantFiled: May 26, 2009Date of Patent: April 24, 2012Assignee: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, David A. Melanson, John C. Meade
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Patent number: 8137301Abstract: Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the stomach and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for anchoring the device to the stomach and a flexible sleeve. When implanted within the intestine, the sleeve can limit the absorption of nutrients, delay the mixing of chyme with digestive enzymes, altering hormonal triggers, providing negative feedback, and combinations thereof. The anchor is collapsible for endoscopic delivery and removal.Type: GrantFiled: May 26, 2009Date of Patent: March 20, 2012Assignee: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, David A. Melanson, John C. Meade
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Publication number: 20120029413Abstract: A gastrointestinal implant device includes a flexible, floppy sleeve, open at both ends, that extends into the duodenum. The device further includes a collapsible anchor coupled to the proximal portion of the sleeve. The device further includes a drawstring that is threaded through a proximal end of the anchor, and barbs that extend from the exterior surface of the anchor. The collapsible anchor can be a wave anchor. The drawstring can be used to collapse at least a proximal portion of the implant device. This is useful in removing or repositioning the implant device.Type: ApplicationFiled: October 4, 2011Publication date: February 2, 2012Inventors: JOHN C. MEADE, Andy H. Levine, David A. Melanson, Ronald B. Lamport, John F. Cvinar
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Patent number: 8057420Abstract: A gastrointestinal implant device includes a flexible, floppy sleeve, open at both ends, that extends into the duodenum. The device further includes a collapsible anchor coupled to the proximal portion of the sleeve. The device further includes a drawstring that is threaded through a proximal end of the anchor, and barbs that extend from the exterior surface of the anchor. The collapsible anchor can be a wave anchor. The drawstring can be used to collapse at least a proximal portion of the implant device. This is useful in removing or repositioning the implant device.Type: GrantFiled: December 20, 2007Date of Patent: November 15, 2011Assignee: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, Ronald B. Lamport, John F. Cvinar
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Publication number: 20110257580Abstract: A gastrointestinal implant device is anchored in the duodenum and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for attaching the device to the duodenum and an unsupported flexible sleeve. The anchor can include a stent and/or a wave anchor and is collapsible for catheter-based delivery and removal.Type: ApplicationFiled: June 28, 2011Publication date: October 20, 2011Applicant: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
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Patent number: 7981163Abstract: A gastrointestinal implant device is anchored in the duodenum and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for attaching the device to the duodenum and an unsupported flexible sleeve. The anchor can include a stent and/or a wave anchor and is collapsible for catheter-based delivery and removal.Type: GrantFiled: January 8, 2010Date of Patent: July 19, 2011Assignee: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
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Publication number: 20100331756Abstract: The present invention relates to an anchor configured for minimally-invasive implantation and sized to remain securely positioned within at least a portion of the gastrointestinal tract of an animal. The anchor includes a radial spring formed from an elongated resilient member shaped into an annular wave pattern about a central axis. The anchor defines a central lumen and provides an outward radial force, while allowing for substantial flexure about its perimeter. The anchor is generally removable, but can include fasteners, such as barbs, to further secure it to the surrounding anatomy. In some embodiments, the anchor includes a connector coupling a fixed portion to a removable portion. Further, the anchor can be used to secure a medical device within the body, such as a flexible sleeve within the intestine.Type: ApplicationFiled: September 13, 2010Publication date: December 30, 2010Applicant: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
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Patent number: 7815589Abstract: The present invention relates to an anchor configured for minimally-invasive implantation and sized to remain securely positioned within at least a portion of the gastrointestinal tract of an animal. The anchor includes a radial spring formed from an elongated resilient member shaped into an annular wave pattern about a central axis. The anchor defines a central lumen and provides an outward radial force, while allowing for substantial flexure about its perimeter. The anchor is generally removable, but can include fasteners, such as barbs, to further secure it to the surrounding anatomy. In some embodiments, the anchor includes a connector coupling a fixed portion to a removable portion. Further, the anchor can be used to secure a medical device within the body, such as a flexible sleeve within the intestine.Type: GrantFiled: June 1, 2004Date of Patent: October 19, 2010Assignee: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
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Publication number: 20100114130Abstract: A gastrointestinal implant device is anchored in the duodenum and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for attaching the device to the duodenum and an unsupported flexible sleeve. The anchor can include a stent and/or a wave anchor and is collapsible for catheter-based delivery and removal.Type: ApplicationFiled: January 8, 2010Publication date: May 6, 2010Inventors: John C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
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Patent number: 7695446Abstract: Methods of treatment using a gastrointestinal implant device removably anchored within an animal's gastrointestinal tract. For example, the implant device includes a collapsible anchor for anchoring the device coupled to a proximal end of a flexible sleeve. The implant device can be anchored within the stomach, within the pyloric orifice, and/or distal to the pylorus and extended into the duodenum. All partially-digested food, or chyme, exiting the stomach is funneled through the device. Methods of treatment include treating obesity by one or more of: limiting the absorption of nutrients within the duodenum; delaying the mixing of chyme with digestive enzymes; alter hormonal triggers; and providing negative feedback. Alternatively or in addition, the desired result includes treating a diseases, such as diabetes, or temporarily shielding a portion of the intestine to promote healing within the intestine.Type: GrantFiled: December 13, 2005Date of Patent: April 13, 2010Assignee: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, David A. Melanson, John C. Meade
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Patent number: 7682330Abstract: A gastrointestinal implant device is anchored in the duodenum and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for attaching the device to the duodenum and an unsupported flexible sleeve. The anchor can include a stent and/or a wave anchor and is collapsible for catheter-based delivery and removal.Type: GrantFiled: July 26, 2006Date of Patent: March 23, 2010Assignee: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
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Patent number: 7678068Abstract: Methods and apparatus for delivering an implant device within the digestive system of an animal are presented. An delivery device includes an outer sheath, or container, for storing a proximal portion of the implant device. The outer sheath is moveable relative to the stored portion of the implant device to release the proximal portion from within the outer sheath. The delivery device also includes an inner sheath defining a lumen therein that extends distal to the outer sheath, a moveable element adapted to secure the distal end of the implant to the inner sheath, and a release mechanism coupled to the moveable element for releasing the distal end of the implant. The device also includes a atraumatic tip, or ball, coupled at its distal end to facilitate guiding the delivery device through the gastrointestinal tract.Type: GrantFiled: December 13, 2005Date of Patent: March 16, 2010Assignee: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, David A. Melanson, John C. Meade
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Patent number: 7608114Abstract: Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the stomach and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for anchoring the device to the stomach and a flexible sleeve. When implanted within the intestine, the sleeve can limit the absorption of nutrients, delay the mixing of chyme with digestive enzymes, altering hormonal triggers, providing negative feedback, and combinations thereof. The anchor is collapsible for endoscopic delivery and removal.Type: GrantFiled: December 13, 2005Date of Patent: October 27, 2009Assignee: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, David A. Melanson, John C. Meade
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Publication number: 20090248171Abstract: Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the stomach and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for anchoring the device to the stomach and a flexible sleeve. When implanted within the intestine, the sleeve can limit the absorption of nutrients, delay the mixing of chyme with digestive enzymes, altering hormonal triggers, providing negative feedback, and combinations thereof. The anchor is collapsible for endoscopic delivery and removal.Type: ApplicationFiled: May 26, 2009Publication date: October 1, 2009Applicant: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, David A. Melanson, John C. Meade
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Publication number: 20090240340Abstract: Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the stomach and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for anchoring the device to the stomach and a flexible sleeve. When implanted within the intestine, the sleeve can limit the absorption of nutrients, delay the mixing of chyme with digestive enzymes, altering hormonal triggers, providing negative feedback, and combinations thereof. The anchor is collapsible for endoscopic delivery and removal.Type: ApplicationFiled: May 26, 2009Publication date: September 24, 2009Applicant: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, David A. Melanson, John C. Meade
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Patent number: 7476256Abstract: Method and apparatus for limiting absorption of food products in specific parts of the digestive system is presented. A gastrointestinal implant device is anchored in the duodenum and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for attaching the device to the duodenum and an unsupported flexible sleeve to limit absorption of nutrients in the duodenum. The anchor can include a stent and/or a wave anchor and is collapsible for catheter-based delivery and removal.Type: GrantFiled: June 1, 2004Date of Patent: January 13, 2009Assignee: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
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Publication number: 20080234834Abstract: A gastrointestinal implant device includes a flexible, floppy sleeve, open at both ends, that extends into the duodenum. The device further includes a collapsible anchor coupled to the proximal portion of the sleeve. The device further includes a drawstring that is threaded through a proximal end of the anchor, and barbs that extend from the exterior surface of the anchor. The collapsible anchor can be a wave anchor. The drawstring can be used to collapse at least a proximal portion of the implant device. This is useful in removing or repositioning the implant device.Type: ApplicationFiled: December 20, 2007Publication date: September 25, 2008Applicant: GI Dynamics, Inc.Inventors: John C. Meade, Andy H. Levine, David A. Melanson, Ronald B. Lamport, John F. Cvinar
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Publication number: 20040220682Abstract: A restrictive device implanted in the upper part of the stomach, selectively divides the stomach into two chambers, effectively reducing the size of the stomach immediately available for the uptake of food. The restrictive device also includes an aperture, limiting the rate at which food can pass from the esophagus portion of the stomach into the intestine. Being removable, the device permits a physician to change the size of the opening in a minimally invasive manner by replacing a removable member with another member having an aperture of a different size and/or shape. The restrictive device can also be combined with an elongated tube, or sleeve to selectively bypass the stomach, a portion of the intestine, or a combination of bypassing both the stomach and a portion of the intestine, allowing a physician to endoscopically create an equivalent to the Roux-en-y weight loss procedure.Type: ApplicationFiled: March 26, 2004Publication date: November 4, 2004Applicant: GI Dynamics, Inc.Inventors: Andy H. Levine, John F. Cvinar, John C. Meade