The patent's inventor is Binmoeller, Kenneth F. (
This patent was filed on
From the background information supplied by the inventors, news correspondents obtained the following quote: "The present invention relates to the medical treatment of obesity in humans, and more particularly to apparatus and methods for curbing the appetite of persons being treated for obesity.
"Extreme obesity is a major health concern in
"Non-surgical approaches for the treatment of obesity include voluntary dieting which is often unsuccessful since most persons do not possess sufficient willpower to limit the intake of food. In addition to behavioral modification, several surgical techniques have been tried which induce malabsorption by reducing the absorptive surface of the small intestine or modify the stomach to reduce a patients desire to eat. Gastric reduction surgeries in which the stomach's volume is reduced had limited early success but often the stomach's size stretches over time so these patients did not exhibit real weight for a sustained period of time. Other surgical approaches combine gastric volume reduction by either partition or bypass with a reduction in the absorptive surface of the small intestine. These procedures may be both hazardous to perform in morbidly obese patients and often create numerous life-threatening postoperative complications. Such procedures typically are invasive, require a long recuperation time and subject the patient to undue pain and discomfort. Also, such operative procedures are often difficult to reverse. These procedures are also expensive and place a large burden on the national health care system.
"Other endoscopic approaches include implantation of gastric balloons that prevent overeating by occupying volume within the stomach. This fills a portion of the stomach and provides the patient with a feeling of fullness, thereby reducing food intake. Many problems are associated with the gastric balloon device, including poor patient tolerance and complications due to rupture, migration, and pressure trauma to the gastrointestinal tract. Some sham-controlled studies have failed to show that the gastric balloon was superior to diet alone in achieving weight reduction.
"Other devices are designed to attempt to limit the absorption of nutrients in the duodenum by tunneling the food through a tube so that the digestive process bypasses portions of the small intestine entirely. By interrupting the intermixing of the digestive fluids and/or limiting the residence period within the stomach, it is believed that the food materials will not fully digest into particles small enough to be absorbed by the body. However these devices have not been evaluated clinically.
"Having made the above critical observations, the present invention further recognizes a need for a transoral endoscopic device that mediates physiologic weight loss that is easily inserted into and removed from the gastrointestinal tract, well tolerated by the patient, does not migrate, does not adversely obstruct the lumen, and does not cause tissue injury."
Supplementing the background information on this patent, NewsRx reporters also obtained the inventor's summary information for this patent: "The present invention provides a method and apparatus for treatment of morbid obesity by placement of a series of flow reduction elements in the small intestine to induce satiety. The flow reduction elements are attached along an elongated member which may or may not have a central lumen inside. This elongated member is used to position the flow reduction elements in the small intestine. The length and diameter of the flow reduction section can be selected by the physician to adjust the amount of weight reduction to the patients needs.
"The central tube has an anchoring member attached near the proximal end that secures the proximal end in the antrum of the stomach. The anchoring member is sized so that it will not pass through the pyloric valve and so that it secures the central tube and the attached flow reduction elements in proper position in the small intestine. In one embodiment, the anchoring member is constructed of one or more inflatable balloons that when inflated are larger than the pylorus. The anchoring balloons can be deflated for delivery into the stomach and removed through the working lumen or alongside an endoscope. In another embodiment the anchoring member is an expandable umbrella-like skeleton frame that is attached to the flexible tube. The large end of the umbrella faces the pylorus and the frame can be collapsed for delivery and recovery.
"The flow reduction elements can have various shapes and may be attached at various points along the central tube. The flow reduction elements may be inflated with fluid through a fluid connection with the central tube or may be constructed from self-expandable material such as a foam or spring structure. The space occupying flow reduction elements may also be filled or impregnated with pharmacologics, biochemicals, alimentary lipids, alimentary peptides or metabolic substances that release into the small intestine to further provide feelings of satiety.
"The transoral gastric device can be inserted with a delivery catheter through the working lumen of an endoscope or alongside an endoscope and may be removed with the aid of an endoscope if desired."
For the URL and additional information on this patent, see: Binmoeller, Kenneth F.. Method and Apparatus for Reducing Obesity. U.S. Patent Number 8623095, filed
Keywords for this news article include: Obesity, Surgery, Treatment, Bariatrics, Overnutrition,
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