SATIATION DEVICES AND METHODS

• US 20100016988A1
• Filed: 10/01/2009
• Published: 01/21/2010
• Est. Priority Date: 08/27/2001
• Status: Active Grant

• Current Assignee: Boston Scientific Scimed (Boston Scientific Corporation)
• Original Assignee: Boston Scientific Scimed (Boston Scientific Corporation)
• Inventors: William, Michael S., Glenn, Richard A., Stack, Richard S., Athas, William L., Moody, Trevor J., Silverstein, Fred E., Every, Nathan
• Granted Patent: US 8,568,488 B2
• Time in Patent Office: Days
• US Class Current: 623/23.650
• CPC Class Codes: A61F 2/04 Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts A61F2/18, A61F2/20 take precedence; devices, other than stent-grafts, providing patency to, or preventing collapsing of, tubular structures of the body other than stent-grafts, e.g. stents A61F2/82; instruments specially adapted for placement or removal of stents or stent-grafts A61F2/95
• CPC Class Codes: A61F 2/07 Stent-grafts
• CPC Class Codes: A61F 2/24 Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
• CPC Class Codes: A61F 2/2476 Valves implantable in the body not otherwise provided for
• CPC Class Codes: A61F 2002/044 Oesophagi or esophagi or gullets
• CPC Class Codes: A61F 2002/045 Stomach, intestines
• CPC Class Codes: A61F 2002/067 modular
• CPC Class Codes: A61F 2002/8483 Barbs
• CPC Class Codes: A61F 2230/0067 conical
• CPC Class Codes: A61F 2250/0039 differing in diameter
• CPC Class Codes: A61F 2250/0067 Means for introducing or releasing pharmaceutical products into the body
• CPC Class Codes: A61F 5/0036 Intragastrical devices
• CPC Class Codes: A61F 5/0076 preventing normal digestion, e.g. Bariatric or gastric sleeves
• CPC Class Codes: A61F 5/0079 Pyloric or esophageal obstructions

Abstract

A satiation device is described which includes a sheath or liner extending from the proximal or middle stomach to the distal antrum. Food ingested by the patient passes through the sheath or liner, thereby minimizing contact between the ingested food and the stomach. It is believed that over time, reduced contact between food and the stomach will result in decreased Ghrelin production by the patient and a consequent decrease in appetite. In some embodiments, the satiation device may also include a proximal pouch and/or a distal bypass tube.

Claims

1. Apparatus for inducing weight loss in a patient having a stomach, an antrum within the stomach, a small intestines, and a pylorus connecting the antrum to the small intestine, comprising:

a prosthesis having (i) a funnel shaped pouch with proximal and distal openings, and (ii) an elongate tube having a proximal end joined to the distal end of the pouch and an opposite distal end, said tube including a tube section proportioned to extend from the antrum of the patient'"'"'s stomach into the small intestine, when the pouch is secured within the gastro-esophageal junction region of the patient'"'"'s stomach, and being formed of a thin-walled polymer that is flexible enough to allow peristalsis within the small intestine, and

means for securing the proximal opening of the pouch of the prosthesis within the gastro-esophageal junction region such that the proximal opening receives food directly from the esophagus.

2. The apparatus of claim 1, wherein the prosthesis tube contains one or more openings that permit flow of gastric secretions into the prosthesis while substantially preventing ingested food material from passing through the one or more openings.