Grummet
First Claim
Patent Images
1. A grummet, comprising:
- a cylindrical portion having a wall forming a hollow cylinder; and
a hollow conical portion having a wall with an inside surface and an outside surface, a base coincident with the wall of the cylindrical portion, and at its vertex a valve with an opening that can be held closed by fluid pressure on the outside surface, or spread open by the insertion of a flexible catheter on the inside surface.
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Accused Products
Abstract
A grummet, for covering the end of an instrument channel of an endoscope, has a cone-shaped surface providing an entrance and forming an anti-reflux valve.
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Citations
1 Claim
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1. A grummet, comprising:
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a cylindrical portion having a wall forming a hollow cylinder; and
a hollow conical portion having a wall with an inside surface and an outside surface, a base coincident with the wall of the cylindrical portion, and at its vertex a valve with an opening that can be held closed by fluid pressure on the outside surface, or spread open by the insertion of a flexible catheter on the inside surface.
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Specification
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Current AssigneeThierry G. Vancaillie
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Original AssigneeThierry G. Vancaillie
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InventorsVancaillie, Thierry G.
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Application NumberUS11/205,461Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current600/154CPC Class CodesA61B 1/00137 End pieces at either end of...
