Valved syringe receptacle

Patent metadata

Field	Value
Publication number	US-9731083-B2
Application number	US-201615142417-A
Country	US
Kind code	B2
Filing date	Apr 29, 2016
Priority date	Oct 31, 2013
Publication date	Aug 15, 2017
Grant date	Aug 15, 2017

Abstract

A syringe receptacle includes a base portion including a communication hole formed such that an injection needle of a syringe is insertable; a container airtightly provided on the base portion; a space forming portion provided on the base portion and forming a space which is connected to the communication hole and an inside of the container; a first valve portion provided between the communication hole and the space, and configured to restrict a movement of a fluid from the space to the communication hole; and a second valve portion provided between the space and the inside of the container, and configured to restrict a movement from the inside of the container to the space.

First claim

What is claimed is:

1. A syringe receptacle comprising:
a base portion including a communication hole formed such that an injection needle of a syringe is insertable;
a container airtightly provided on the base portion;
a space forming portion provided on the base portion and forming a space which is connected to the communication hole and an inside of the container;
a first valve portion provided between the communication hole and the space, and configured to restrict a movement of a fluid from the space to the communication hole; and
a second valve portion provided between the space and the inside of the container, and configured to restrict a movement of the fluid from the inside of the container to the space;
wherein:
the space forming portion is formed in a cylindrical shape with one end closed, and includes an opening in a part of an outer peripheral surface thereof;
the first valve portion is a stopper configured to close the communication hole and an opening of the space, the stopper being formed of a resin material which is pierceable by the injection needle;
the second valve portion is formed to be capable of closing the opening, and to be capable of releasing the opening when a pressure in the space is higher than a pressure in the container;
the base portion includes, at a first end portion thereof, a first end portion opening formed such that the space forming portion is insertable therein, and includes in an outer peripheral surface thereof an opening which is opposed to the opening of the space forming portion; and
the second valve portion is formed in an elastically deformable tubular shape, and is configured to cover, by being inserted over the base portion, the opening of the base portion and the opening of the space forming portion.

2. The syringe receptacle of claim 1 , wherein the injection needle includes a coupling portion which is formed in a truncated conical shape, and
the base portion includes a second end portion opening at a second end portion of the base portion into which the injection needle is inserted, the second end portion opening being formed at an angle of inclination which is substantially equal to an angle of inclination of an outer surface of the coupling portion.

3. The syringe receptacle of claim 2 , wherein the base portion includes, on an inner peripheral surface thereof, a projection portion which is projectingly formed along a direction of inclination of the inner peripheral surface, the projection portion being capable of interfering, in a circumferential direction, with a projection which is formed on the outer surface of the coupling portion of the injection needle and has an angle of inclination which is equal to the angle of inclination of the second end portion opening.

4. A syringe receptacle comprising:
a base portion defining a communication hole, the base portion including a first end configured to mate with a syringe and a second end opposite to the first end;
a container airtightly mounted to the base portion between the first end and the second end of the base portion;
a stationary portion seated within the base portion at the second end, the stationary portion having a cylindrical shape and a closed end arranged proximate to the second end of the base portion;
first openings defined by the base portion and second openings defined by the stationary portion, the first openings are aligned with the second openings, the first and second openings permit fluid communication between the communication hole and the container when the first and second openings are open;
a first valve arranged within the communication hole such that the first and second openings are between the first valve and the second end of the base portion, the first valve defining a space within the communication hole between the first valve and the closed end of the stationary insert, the first valve is a stopper configured to close the communication hole and the space between the first valve and the closed end of the stationary portion, the first valve is formed of a resin material that is pierceable by the injection needle; and
a second valve portion having a tubular shape and extending around an outer surface of the base portion opposite to the first openings and the second openings, the second valve portion is elastically deformable from a closed position to an open position when pressure in the space is greater than pressure in the container, in the closed position the second valve portion is against the first openings to prevent fluid within the space from flowing through the first and second openings into the container, in the open position the second valve is elastically deformed outward from the first openings to permit fluid within the space to flow through the first and second openings into the container.

Assignees

• Daiwa Can Co Ltd

Inventors

• Asano Toshihiro
• Hamai Yoshiki
• Nagashima Akira
• Iino Toshio
• Nakayama Toshiaki
• Kawasaki Yuya
• Takami Makoto

Classifications

• A61J1/10

  Bag-type containers · CPC title

• A61J1/201

  having one piercing end · CPC title

• A61J1/2096

  Combination of a vial and a syringe for transferring or mixing their contents · CPC title

• A61M5/36 Primary

  with means for eliminating or preventing injection or infusion of air into body (dialysis systems, blood oxygenators A61M1/14; haemofiltration equipment A61M1/34; {automatic tube cut-off A61M39/281}) · CPC title