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EP0314602A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Plug device for a transfusible fluid container

Assignee: Individual
•
Filing: 1988-10-28
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Granted: —
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Expires: 2008-10-28
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Abstract

Abstract A plug device (2) for a transfusion container (1) comprising a plug body (3) made of rubber having an air passing portion (6) into which a water repellent but air-­permeable filter (9) of porous material is inserted, a sealing sheet (11) adapted to cover at least the surface portion of the rubber plug body which may be contacted with the transfusible fluid in the container, and a funnel shape air guide member (12) which is formed integrally with the sealing sheet and the upper end of which is extended toward the bottom of the container.

Inventors

  • 👤 Issei Suzuki

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 10:27
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/1475; A61J1/1406; A61J1/1412; A61J1/1425; A61J1/1443; A61J1/145; A61J1/1468

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 147 words
A plug device for a transfusible fluid container comprising a plug body made of rubber having a portion through which a hollow needle is inserted for delivering the fluid from the container and a portion through which air is sucked into the container, said plug body being in liquid-tight sealed engagement with the mouth of said container; a water repellent but air-permeable filter which is forcedly inserted into said air passing portion; a sealing sheet for covering at least the surface portion of said plug body which is contacted with the intravenous fluid contained in said container; and a funnel-shaped air guide which is formed integrally with the sealing sheet and the upper end of which is extended toward the bottom of said container, said funnel-shaped air guide being arranged to guide the air sucked into said container through said filter toward the bottom of said container.
Claim 2
Dependent Claim 147 words
A plug device for a transfusible fluid container comprising a plug body made of rubber having a portion through which a hollow needle is inserted for delivering the fluid from the container and a portion through which air is sucked into the container, said plug body being in liquid-tight sealed engagement with the mouth of said container; a water repellent but air-permeable filter which is forcedly inserted into said air passing portion; a sealing sheet for covering at least the surface portion of said plug body which is contacted with the intravenous fluid contained in said container; and a funnel-shaped air guide which is formed integrally with the sealing sheet and the upper end of which is extended toward the bottom of said container, said funnel-shaped air guide being arranged to guide the air sucked into said container through said filter toward the bottom of said container.
Claim 3
Dependent Claim 43 words
A plug device for a transfusible fluid container as claimed in claim 1, wherein said sealing sheet and the funnel-shaped air guide are made of polypropylene, and are welded to each other at their peripheral portions by using a high frequency induction welding.
Claim 4
Dependent Claim 42 words
A plug device for a transfusible fluid container as claimed in claim 1, wherein it further comprises an outer sealing cap of a metal for holding the plug device in the mouth of the bottle, and said sealing cap is partially removable.
Claim 5
Dependent Claim 39 words
A plug device for a transfusible fluid container as claimed in claim 1, wherein said hollow needle inser­tion portion includes a inner hole and at least one outer recess provided on the outer surface of said rubber plug body.
Claim 6
Dependent Claim 60 words
A plug device for a transfusible fluid container as claimed in claim 1, wherein said air passing portion includes an inner hole in which said water repellent but air-permeable filter is forcedly fitted and a slot coaxially provided and having one end communicated to said inner hole and other end opened to the outer surface of said rubber plug body.
Claim 7
Dependent Claim 43 words
A plug device for a transfusible fluid container as claimed in claim 1, wherein said rubber plug body is forcedly fitted into the an annular plug cap of plastic material which is sealingly engaged with the edge of the mouth of said container.
Claim 8
Dependent Claim 46 words
A plug device for a transfusible fluid container as claimed in claim 1, wherein said container comprises a plastic bottle and said rubber plug body is wholly covered with a sealing sheet which in turn is integrally secured to the the mouth of said plastic bottle.

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