Patent ID: 6835191
Filing Date: 2004-12-28
Classification: A61M

Abstract:
A method for venting trapped fluid out of a hollow cylindrical body while the hollow cylindrical body is being filled with a material, the method comprising:providing a hollow cylindrical body comprising a first opening and a second opening; providing a seal comprising a vent and a plunger tip pocket; providing a plunger tip comprising at least one vent channel; inserting the seal into the hollow cylindrical body, wherein a volume is defined within the hollow cylindrical body between the seal and the second opening of the hollow cylindrical body, and further wherein the volume contains a fluid; filling the hollow cylindrical body with the material through the second opening of the hollow cylindrical body, wherein the fluid within the volume is vented through the vent of the seal as the material occupies the volume; inserting the plunger tip into the hollow cylindrical body via the first opening of the hollow cylindrical body; and seating the plunger tip in the plunger tip pocket of the seal, wherein the plunger tip occludes the vent when the plunger tip is seated in the plunger tip pocket, and further wherein fluid within the plunger tip pocket escapes through the at least one vent channel in the plunger tip while the plunger tip is being seated in the plunger tip pocket.