ENDOSCOPIC FULL THICKNESS GASTRIC REDUCTION APPARATUS AND METHOD
First Claim
1. An apparatus for introducing a medical instrument into a patient, the apparatus comprising:
- a main body portion and a distal tapered portion, said apparatus having a cavity adapted to receive said instrument, said apparatus being further adapted to receive a guidewire.
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Accused Products
Abstract
A device, adapted to receive one or more gastric bands and adapted to be coupled to a surgical instrument such as an endoscope, comprises a tubular main body and a cap comprising an opening through which a guidewire may be threaded. A triggering wire may be detachably coupled to one or more bands to permit remote removal of said bands. The bands may be improved bands comprising gripping points, an inner reinforcement ring, or an expanded surface area portion.
A method for performing band ligation comprises the steps of: providing a device comprising a main body portion, a removably coupled cap, one or more gastric bands, and a band triggering wire; introducing the device through the mouth into the stomach; dislodging the cap; targeting and drying specific locations of the gastric wall; withdrawing a portion of the gastric wall into the device; and displacing one or more of the bands such that the band circumscribes said wall portion; and the administration of medication to prevent gastric contractions.
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Citations
55 Claims
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1. An apparatus for introducing a medical instrument into a patient, the apparatus comprising:
a main body portion and a distal tapered portion, said apparatus having a cavity adapted to receive said instrument, said apparatus being further adapted to receive a guidewire. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for performing band ligation comprising the steps of:
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providing a device comprising a main body portion, a tapered distal portion, one or more gastric bands, and a band triggering wire, said tapered distal portion being removably coupled to said main body portion; introducing the device through the mouth and esophageal opening and into the stomach, the stomach having a gastric wall; dislodging the distal tapered portion from said main body portion; withdrawing a portion of the gastric wall into the device to form a gathered portion; and displacing one or more of said bands such that said band circumscribes said gathered portion. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A method for performing band ligation comprising the steps of:
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providing a device comprising a main body portion, a tapered distal portion, one or more gastric bands, and a band triggering wire, said tapered distal portion being removably coupled to said main body portion; providing a guidewire having first and second ends; inserting the guidewire first end through a patient'"'"'s mouth, through an esophageal opening, and into a patient'"'"'s stomach, the stomach having a gastric wall; introducing the device over the guidewire second end through the mouth and esophageal opening and into the stomach; dislodging the distal tapered portion from said main body portion; withdrawing a full thickness of the gastric wall into the device; and displacing one or more of said bands such that said band circumscribes a portion of said wall. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. An improved gastric band comprising:
a circular elastic outer band and a concentric inner band.
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51. An improved gastric band comprising:
a circular main body comprising outer, inner, and side walls, wherein said inner wall comprises a plurality of gripping points.
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52. An improved gastric band comprising:
a circular body comprising outer, inner, and side walls, said band having a width defined by said side walls, and a thickness defined by said outer and inner walls;
wherein said width is approximately equal to that of said thickness.
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53. An improved gastric band comprising:
a circular body comprising outer, inner, and side walls, said band having a width defined by said side walls and a thickness defined by said outer and inner walls, wherein said width is different than said thickness.
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54. An improved gastric band comprising an elastic mesh network.
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55. An improved gastric band comprising a plurality of openings positioned around an inside perimeter of said band.
Specification