Plastic container for medical liquid
AssigneeTerumo Kabushiki Kaisha
InventorNobukazu Tanokura
Life of this patent
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Abstract
A plastic container for medical liquid has an improved mouth portion for the admission or withdrawal of a medical liquid. The mouth portion is characterized by comprising (i) a rigid plastic cylindrical body, one end of which communicates with the inside of the container and the other end of which is enlarged in diameter; (ii) a rubber stopper body inserted in the enlarged end of the mouth portion; (iii) an annular rigid plastic stopper holding member which is attached to the upper edge of the enlarged end of the mouth portion and whose inner peripheral portion presses the upper surface of the peripheral portion of the rubber stopper body; and (iv) a water-impermeable soft sealing member interposed between the bottom of the rubber stopper body and the bottom of the enlarged end of the mouth portion.
Claims8
A plastic container for medical liquid having a plastic container body and a mouth portion for admission and withdrawal of a medical liquid characterized in that said mouth portion comprises (a) a rigid plastic cylindrical body whose base portion is water-impermeably joined to said container body at one end and which has an enlarged inner diameter portion at the other end;
- (b) a rubber stopper body inserted in said enlarged inner diameter portion;
- (c) a rigid plastic stopper holding member which comprises an annular plate body, whose inner peripheral portion is formed on said rubber stopper body so as to overlap the peripheral portion of said rubber stopper body, and whose outer peripheral portion is water-impermeably adhered to the top end of said plastic cylindrical body;
- and (d) a soft sealing member which is interposed between the bottom of said rubber stopper body and the bottom of said enlarged inner diameter portion and which prevents contact between the bottom of said rubber stopper body and a channel of said cylindrical body.
Dependencies are inferred from the claim text.