ENDOSCOPIC STAPLING DEVICES AND METHODS
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Abstract
Described herein are endoscopic staplers used to apply one or more fasteners to body tissue. In one embodiment, a fastener-applying device, which is preferably a stapler, is passed transorally into the stomach and used to plicate stomach tissue by engaging tissue from inside of the stomach and drawing it inwardly. In the disclosed embodiments, the tissue is drawn inwardly into a vacuum chamber, causing sections of serosal tissue on the exterior of the stomach to be positioned facing one another. The disclosed staplers allow the opposed sections of tissue to be moved into contact with one another, and preferably deliver staples for maintaining contact between the tissue sections at least until serosal bonds form between them. Each of these steps may be performed wholly from the inside of the stomach and thus can eliminate the need for any surgical or laparoscopic intervention. After one or more plications are formed, medical devices may optionally be coupled to the plication(s) for retention within the stomach.
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Citations
243 Claims
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1-218. -218. (canceled)
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219. A staple holder for housing medical staples, the staple holder comprising:
a body including a plurality of pedal sections, each pedal section including a slot containing a staple. - View Dependent Claims (220, 221, 222, 223, 224, 225)
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226. A staple anvil, comprising:
a body including a plurality of pedal sections extending radially from the body, each pedal section including a pair of staple-folding recesses. - View Dependent Claims (227)
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228. A stapler, including:
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staple holder comprising a body including a plurality of pedal sections, each pedal section including a slot containing a staple; and an anvil, comprising a body including a plurality of pedal sections extending radially from the body, each pedal section including a pair of staple-folding recesses; and a staple driver advanceable at least partially through the staple holder. - View Dependent Claims (229, 230, 231)
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232. A medical cutting device, comprising:
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a cutting element having a distal tip; and a cutting board having a face, the distal tip and face spaced-apart by a first distance to define a tissue receiving area, the cutting element advanceable in a distal direction into contact with the face to cause cutting of tissue in the receiving area, the face adaptable to permit advancement of the distal tip by an amount greater than the first distance. - View Dependent Claims (233, 234, 235, 236, 237, 238, 239, 240)
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241. A method of cutting tissue, comprising:
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providing a cutting device comprising a tissue cutting element, a cutting board having a face spaced from the cutting device by a first distance to define a tissue receiving area between the cutting element and the cutting board; positioning tissue in the tissue receiving area; advancing the cutting element through the tissue and into contact with the cutting board, and causing the cutting board to permit advancement of the distal tip by an amount greater than the first distance. - View Dependent Claims (242, 243)
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Specification