JOHN CVINAR
Broker in Winchester, MA
License number
Massachusetts 9052037
Issued Date
Dec 23, 2004
Expiration Date
Jun 1, 2007
Type
Salesperson
Address
Address
Winchester, MA 01890
Professional information
Methods, Systems, And Apparatus For Performing Minimally Invasive Coronary Artery Bypass Graft Surgery
US Patent:
2012006, Mar 15, 2012
Filed:
Apr 18, 2011
Appl. No.:
13/089133
Inventors:
J. Donald Hill - San Francisco CA, US
Geoffrey Briggs - Los Altos CA, US
Michael Sims - Montara CA, US
John Cvinar - Winchester MA, US
Andy H. Levine - Newton MA, US
Eric May - Norfolk MA, US
John Meade - Mendon MA, US
Geoffrey Briggs - Los Altos CA, US
Michael Sims - Montara CA, US
John Cvinar - Winchester MA, US
Andy H. Levine - Newton MA, US
Eric May - Norfolk MA, US
John Meade - Mendon MA, US
International Classification:
A61B 1/32
US Classification:
600210
Abstract:
A system for performing vascular surgery includes a first retractor blade and a second retractor blade and a fulcrum device. The first retractor blade includes a first grasping bar, and the second retractor blade comprises a second grasping bar. The first retractor blade and the second retractor blade are adapted to engage opposing edges of a subcostal incision in a patient. The fulcrum device includes a first fulcrum slot and a second fulcrum slot formed through opposing edges of the fulcrum device. The first fulcrum slot is adapted to receive the first grasping bar and the second fulcrum slot is adapted to receive the second grasping bar, such that the fulcrum device is adapted to apply leverage from the first retractor blade and the second retractor blade to spread the edges of the incision and to allow access to a chest cavity of the patient.
Fusion Device, Systems And Methods Thereof
US Patent:
2011000, Jan 6, 2011
Filed:
Oct 16, 2007
Appl. No.:
12/445936
Inventors:
Edward S. Ahn - Dover MA, US
John Cvinar - Winchester MA, US
John Cvinar - Winchester MA, US
International Classification:
A61F 2/44
US Classification:
623 1712, 606279, 206570
Abstract:
The spinal fusion device () of the invention is implanted within an intervertebral space between adjacent upper and lower vertebrae and secured to the vertebrae with cement. The fusion device includes upper and lower endplate facing surfaces () each having at least one opening () for delivering cement material to adjacent contact surfaces of the vertebrae above and below the implant. Utilizing quick-setting cement compositions with the device
Methods Of Treatment Using A Bariatric Sleeve
US Patent:
7347875, Mar 25, 2008
Filed:
Nov 30, 2004
Appl. No.:
11/001794
Inventors:
Andy H. Levine - Newton MA, US
John Cvinar - Winchester MA, US
John Cvinar - Winchester MA, US
Assignee:
GI Dynamics, Inc. - Watertown MA
International Classification:
A61F 2/04
US Classification:
623 2365, 623 2364
Abstract:
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 to limit absorption of nutrients in the duodenum. The anchor is collapsible for endoscopic delivery and removal.
Gastrointestinal Implant With Drawstring
US Patent:
8057420, Nov 15, 2011
Filed:
Dec 20, 2007
Appl. No.:
12/005049
Inventors:
John C. Meade - Mendon MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
Ronald B. Lamport - Pelham NH, US
John F. Cvinar - Winchester MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
Ronald B. Lamport - Pelham NH, US
John F. Cvinar - Winchester MA, US
Assignee:
GI Dynamics, Inc. - Lexington MA
International Classification:
A61M 5/00, A61F 2/04
US Classification:
604 8, 623 2365
Abstract:
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.
Gastrointestinal Implant With Drawstring
US Patent:
2012002, Feb 2, 2012
Filed:
Oct 4, 2011
Appl. No.:
13/252609
Inventors:
JOHN C. MEADE - Mendon MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
Ronald B. Lamport - Pelham NH, US
John F. Cvinar - Winchester MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
Ronald B. Lamport - Pelham NH, US
John F. Cvinar - Winchester MA, US
International Classification:
A61M 39/10
US Classification:
604 8
Abstract:
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.
Intestinal Sleeve
US Patent:
7981163, Jul 19, 2011
Filed:
Jan 8, 2010
Appl. No.:
12/684309
Inventors:
John C. Meade - Mendon MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
John F. Cvinar - Winchester MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
John F. Cvinar - Winchester MA, US
Assignee:
GI Dynamics, Inc. - Lexington MA
International Classification:
A61F 2/04
US Classification:
623 2365, 128898
Abstract:
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.
Intestinal Sleeve
US Patent:
2011025, Oct 20, 2011
Filed:
Jun 28, 2011
Appl. No.:
13/170785
Inventors:
John C. Meade - Mendon MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
John F. Cvinar - Winchester MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
John F. Cvinar - Winchester MA, US
Assignee:
GI Dynamics, Inc. - Lexington MA
International Classification:
A61F 2/04
US Classification:
604 8
Abstract:
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.
Intestinal Sleeve
US Patent:
7476256, Jan 13, 2009
Filed:
Jun 1, 2004
Appl. No.:
10/858851
Inventors:
John C. Meade - Mendon MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
John F. Cvinar - Winchester MA, US
Andy H. Levine - Newton MA, US
David A. Melanson - Hudson NH, US
John F. Cvinar - Winchester MA, US
Assignee:
GI Dynamics, Inc. - Lexington MA
International Classification:
A61F 2/04
US Classification:
623 2364
Abstract:
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.
Bariatric Sleeve
US Patent:
8137301, Mar 20, 2012
Filed:
May 26, 2009
Appl. No.:
12/454878
Inventors:
Andy H. Levine - Newton MA, US
John F. Cvinar - Winchester MA, US
David A. Melanson - Hudson NH, US
John C. Meade - Mendon MA, US
John F. Cvinar - Winchester MA, US
David A. Melanson - Hudson NH, US
John C. Meade - Mendon MA, US
Assignee:
GI Dynamics, Inc. - Lexington MA
International Classification:
A61M 5/00
US Classification:
604 8, 623 237
Abstract:
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.
Bariatric Sleeve
US Patent:
7608114, Oct 27, 2009
Filed:
Dec 13, 2005
Appl. No.:
11/302944
Inventors:
Andy H. Levine - Newton MA, US
John F. Cvinar - Winchester MA, US
David A. Melanson - Hudson NH, US
John C. Meade - Mendon MA, US
John F. Cvinar - Winchester MA, US
David A. Melanson - Hudson NH, US
John C. Meade - Mendon MA, US
Assignee:
GI Dynamics, Inc. - Lexington MA
International Classification:
A61F 2/04
US Classification:
623 237, 623 2365
Abstract:
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.