Medical device and method for preventing bile reflux following bariatric surgery

A technique for gastrectomy and endoscopy, which is applied in the field of valve devices for preventing bile backflow, and can solve problems such as unsuitable shapes and the like

Active Publication Date: 2019-03-08
BOSTON SCI SCIMED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these stents are prone to migration because their shape does not fit the modified gastric geometry after sleeve gastrectomy or biliopancreatic diversion with duodenal switch

Method used

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  • Medical device and method for preventing bile reflux following bariatric surgery
  • Medical device and method for preventing bile reflux following bariatric surgery
  • Medical device and method for preventing bile reflux following bariatric surgery

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Embodiment Construction

[0044] While embodiments of the invention may take many forms, specific embodiments of the invention are described in detail herein. The description illustrates the principles of the invention and is not intended to limit the invention to the particular embodiments shown.

[0045] The following detailed description should be read with reference to the drawings, in which like elements in different drawings have the same reference numerals. The drawings, which are not necessarily to scale, depict illustrative embodiments and are not intended to limit the scope of the invention. Those skilled in the art will recognize that the dimensions and materials discussed herein are exemplary only and are not intended to limit the scope of the invention.

[0046] In some embodiments, the present invention generally relates to a stent having a bulged portion or an enlarged mid-section, wherein the bulged portion is designed for use in sleeve gastrectomy or biliopancreatic diversion with duo...

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Abstract

An endoscopic stent for implantation in a patient following sleeve gastrectomy or biliopancreatic diversion with duodenal transposition comprises a stent portion comprising a proximal portion, the proximal portion Defined by a length of about 50 mm to about 200 mm; an enlarged intermediate portion having an enlarged diameter relative to the proximal and distal portions and defined by a length of about 20 mm to about 80 mm; and a distal portion and a polymeric sheath portion joined to and extending distally from said distal end portion of said stent.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application Serial No. 62 / 017,595, filed June 26, 2014, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to valve arrangements and methods for preventing bile backflow for bariatric stents. Background technique [0004] Obesity is a medical condition in which excess body fat has accumulated to such an extent that it may adversely affect health, resulting in a shortened life expectancy and / or increased health problems. Body Mass Index (BMI) is a measure to compare weight and height, in people's BMI at 25kg / m 2 and 30kg / m 2 Between, it defines a person as overweight (pre-obesity), and at greater than 30kg / m 2 defined as obesity. Most commonly, obesity is caused by a combination of excess dietary calories, lack of physical activity, and genetic predisposition. On average, obesity reduces life e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/04A61F2/82A61M39/24
CPCA61F2/04A61F2/82A61M39/24A61F2002/041A61F2002/045A61F2002/044A61F2/07A61F2/2475A61F2250/0039A61M2039/2433
Inventor 约翰·A·欣斯敦克劳德·O·克拉克乔纳森·鲁特维沙尔·沙赫
Owner BOSTON SCI SCIMED INC
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