Overtube introducer for use in endoscopic bariatric surgery

a bariatric surgery and introducer technology, applied in the field of overtube/introducer device, can solve the problems of altering and achieve the effect of improving the patient's satiety and eating habits

Inactive Publication Date: 2009-01-29
BOSTON SCI SCIMED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The passage of food into the stomach from the esophagus has been restricted, altering the patient's feelings of satiety and eating habits.

Method used

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  • Overtube introducer for use in endoscopic bariatric surgery
  • Overtube introducer for use in endoscopic bariatric surgery
  • Overtube introducer for use in endoscopic bariatric surgery

Examples

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Embodiment Construction

[0081]The present invention comprises an overtube intended to be inserted trough the mouth into the esophagus of a patient, and extend at least past the pharynx, but preferably far enough for the distal end to seal against the lower esophageal sphincter (LES) at the junction between the stomach and the esophagus. The overtube incorporates features that enable it to facilitate the procedure described in the Background section above though is not restricted to that single procedure. The primary purpose of the present invention is to create and maintain a patent lumen that provides access from the mouth of a patient to the stomach. The outer diameter of the overtube's insertable length allows it to fit within, and be insertable into, a patient's gastrointestinal tract from the mouth to the stomach. The outer surface of the insertable length of the overtube is sufficiently lubricious to allow for its introduction into the esophagus and subsequent manipulations (e.g., further insertion o...

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Abstract

This application describes an overtube device that gives diagnostic and/or therapeutic access to body cavities using natural orifices of the body. The overtube includes an elongate flexible body having a distal portion deflectable in response to activation of a control cable. Proximal features of the overtube include an insufflations port and seals for minimizing loss of insufflations pressure around the shafts of instruments passed through the tube. In some embodiments, retractor elements are including on the distal portion of the overtube.

Description

PRIORITY[0001]This is application claims priority to U.S. Provisional Application No. 60 / 950,584, filed Jul. 18, 2007BACKGROUND OF THE INVENTION[0002]This application describes an overtube / introducer device that gives access to body cavities using natural orifices of the body (e.g., esophagus, anus, vagina) for a variety of therapeutic and / or diagnostic procedures. In a particular application, the overtube / introducer enables the introduction of devices into the gastrointestinal tract of a patient via the mouth and esophagus. Therapies to be carried out using the introducer can include procedures designed for the treatment of obesity. The disclosed overtube provides in and out access to the targeted procedural site and protects the body tissue during the procedure from trauma.[0003]The disclosed overtube is suitable for use in an exemplary procedure in which the geometry of the stomach is modified and implantable devices are deployed. The procedure is preferably performed entirely th...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B1/32
CPCA61B1/00078A61B1/00135A61B17/0218A61B1/2736A61B1/0051
Inventor COLE, DAVIDHARRIS, MELANIE L.CASTRO, CARLOS E.STEWART, JASON S.CREWS, SAMUEL T.BALBIERZ, DANIEL J.
Owner BOSTON SCI SCIMED INC
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