Method and apparatus for sealing a gastric opening
First Claim
1. Anchorable cannula adapted for positioning within an opening formed in tissue, comprising:
- a cannula body having a proximal portion and distal portion;
the proximal portion and the distal portion ate linked by a circumferential ring positioned therebetween;
the proximal portion includes a series of foldable arms extending upwardly from the circumferential ring and ending at a ring formed at a free end of the proximal portion;
the distal portion includes a series of foldable arms extending downwardly from the circumferential ring to and ending at a ring formed at a free end of the distal portion.
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Accused Products
Abstract
An anchorable cannula adapted for positioning within an opening formed in tissue includes a cannula body having a proximal portion and distal portion. The proximal portion and the distal portion are linked by a circumferential ring positioned therebetween. The proximal portion includes a series of foldable arms extending upwardly from the circumferential ring and ending at a circumferential seal ring formed at a free end of the proximal portion. The distal portion includes a series of foldable arms extending downwardly from the circumferential ring and ending at a circumferential seal ring formed at a free end of the distal portion.
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Citations
20 Claims
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1. Anchorable cannula adapted for positioning within an opening formed in tissue, comprising:
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a cannula body having a proximal portion and distal portion;
the proximal portion and the distal portion ate linked by a circumferential ring positioned therebetween;
the proximal portion includes a series of foldable arms extending upwardly from the circumferential ring and ending at a ring formed at a free end of the proximal portion;
the distal portion includes a series of foldable arms extending downwardly from the circumferential ring to and ending at a ring formed at a free end of the distal portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for performing transgastric surgery, comprising the following steps:
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applying an anchorable cannula to a gastric wall;
accessing the peritoneal cavity by passing surgical instruments through the stomach and anchorable cannula. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification