JP2017192584A - Syringe container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a syringe container which is capable of safely housing a fluid discharged from a syringe and is inexpensive and highly productive.SOLUTION: A syringe container 1 comprises: a flexible storage part 12; a trunk 22 including a tubular mounting part 42 to mount airtight the storage part 12 to the outer surface and a tubular protective part 43 provided integrally with the mounting part 42, constituted to have a smaller diameter than the inner diameter of the mounting part 42, and allowing insertion of a syringe needle 112 of a syringe 100; and a rubber plug 23 which fits into the mounting part 42 to seal.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a syringe container for storing unnecessary chemical solution and gas sucked into a syringe.

  When extracting the drug solution from the vial into the syringe, first, air of the same volume as the drug solution to be extracted from the vial is sucked into the syringe, and then the injection needle is punctured into the elastic cap of the vial. Next, the plunger of the syringe is reciprocated to replace the air in the syringe and the drug solution in the vial. At this time, air enters the syringe.

  In order to extract this air and make a desired amount of drug solution, the needle is pointed upward, the air is placed above the space in the syringe, and the plunger is pushed toward the bottom dead center. Work to remove air and excess chemicals.

  When such an operation of extracting air and excess chemical liquid from the inside of the syringe is performed, air and a small amount of chemical liquid or gas containing chemical liquid are discharged from the inside of the syringe and may adhere to the worker or may be scattered around. And cause contamination of the surrounding area. Moreover, when a chemical | medical solution has toxicity, there exists a possibility of causing the health hazard of an operator.

  Therefore, an air venting device that can vent air in the syringe while preventing the surrounding contamination in the work of venting air is known (for example, see Patent Document 1). This air venting device includes a space portion that stores a chemical solution in a container and a filter portion that can ventilate the air in the space portion, and is configured to be able to capture the chemical solution contained in the air by the filter portion. In addition, the air venting device is formed so that the chemical solution can be prevented from moving to the outside even if the container is inclined, etc., by projecting the communication pipe connecting the space portion and the filter portion from the inner surface of the space portion. Even if the operation of extracting the air from the syringe is performed, it is possible to prevent the surrounding contamination by the chemical solution.

JP 2007-275293 A

  The air venting device described above has the following problems. That is, the structure of the air vent device described above is complicated. In particular, the air venting device is discarded after use, and when handling different chemical solutions, it is necessary to replace the air venting device for each air venting operation. For this reason, there has also been a demand for a container that can store a fluid such as air discharged from the syringe, air containing a chemical solution, or a part of the chemical solution, can be easily manufactured, and can be manufactured at low cost.

  Then, an object of this invention is to provide the container for syringes which can accommodate the fluid discharged | emitted from a syringe safely, and is cheap and high in productivity.

  In order to solve the above problems and achieve the object, the syringe container of the present invention is configured as follows.

  As one aspect of the present invention, a flexible storage part, a cylindrical attachment part that attaches the storage part to an outer surface in an airtight manner, a structure that is provided integrally with the attachment part and has a smaller diameter than the inner diameter of the attachment part A barrel portion having a cylindrical protection portion into which an injection needle of a syringe can be inserted, and a rubber stopper that fits and seals the attachment portion.

  According to the present invention, it is possible to provide a syringe container that can safely contain a fluid discharged from a syringe and that is inexpensive and highly productive.

The front view which shows the structure of the container for syringes concerning the 1st Embodiment of this invention. The perspective view which decomposes | disassembles and shows the structure of the container for syringes. Sectional drawing which shows the structure of the insertion part used for the container for syringes. Explanatory drawing which shows the state which punctured the injection needle in the insertion part. The perspective view which shows the structure of the insertion part used for the container for syringes concerning the 2nd Embodiment of this invention. Sectional drawing which shows the structure of the insertion part. The front view which shows the structure of the container for syringes which concerns on the 3rd Embodiment of this invention. Sectional drawing which shows the structure of the insertion part used for the container for syringes. Sectional drawing which shows the structure of the insertion part used for the container for syringes concerning the 4th Embodiment of this invention.

(First embodiment)
Hereinafter, the structure of the container 1 for syringes concerning the 1st Embodiment of this invention is demonstrated using FIG. 1 thru | or FIG.
FIG. 1 is a front view showing the configuration of a syringe container 1 according to the first embodiment of the present invention, FIG. 2 is an exploded perspective view showing the configuration of the syringe container 1, and FIG. 3 is a syringe container. FIG. 4 is an explanatory view showing a state in which the injection needle 112 is punctured into the rubber stopper 23 of the insertion portion 11.

  As shown in FIGS. 1 and 2, the syringe container 1 includes an insertion portion 11 and a storage portion 12. The syringe container 1 stores, in the storage unit 12, unnecessary fluid when the syringe 100 is used, such as air in the syringe 100, air (gas) containing a drug solution as an injection, or a drug solution discharged from the syringe 100. The storage container seals the storage part 12 with the insertion part 11.

  The syringe 100 used for the syringe container 1 is, for example, as shown in FIG. 4, a barrel 110 formed in a cylindrical shape and having a distal end portion 110 a formed in a small diameter, a plunger inserted into the barrel 110, And an injection needle 112 provided at the tip 110a of the barrel 110.

  The barrel 110 is a cylinder capable of reciprocating the plunger, and together with the plunger, forms a space in the syringe 100 where the drug solution can be stored. The injection needle 112 is detachably provided at the tip 110a of the barrel 110.

  As shown in FIG. 4, the injection needle 112 includes a connecting portion 121 that is formed of a metal material or a resin material and is fixed to the distal end portion 110 a of the barrel 110, and a needle portion 122 provided in the connecting portion 121. ing.

  The connecting portion 121 is formed in a cylindrical shape having a plurality of different outer diameters, and is formed so as to be fitted to the distal end portion 110 a of the barrel 110. In addition, the connecting portion 121 is fixed with the needle portion 122 in close contact with the inner peripheral surface thereof. The needle portion 122 is formed in a cylindrical shape in which a fluid can move, and has a tip formed at an acute angle so that it can puncture a part of the insertion portion 11 or a human body.

  The insertion part 11 includes a guide part 21, a body part 22, and a rubber plug 23.

  The guide portion 21 includes a needle tip guide portion 31 and an engagement portion 32 that is provided integrally with the needle tip guide portion 31 and configured in a cylindrical shape.

  The needle tip guide portion 31 is configured in a cylindrical shape that gradually decreases in diameter from the end portion toward the engaging portion 32 side. The needle tip guide portion 31 is configured such that the inner diameter on the end portion side is larger than the outer diameter of the distal end of the connecting portion 121 of the injection needle 112 and gradually decreases in diameter toward the engaging portion 32 side. Further, the needle tip guide portion 31 is configured such that the inner diameter on the engaging portion 32 side is smaller than the outer diameter at the tip of the connecting portion 121 and larger than the outer diameter of the needle portion 122. Further, the needle tip guide portion 31 has a disc-shaped flange portion 31a provided integrally on the outer peripheral surface of the end portion.

  The engaging portion 32 is integrally provided at the end portion on the small diameter side of the needle tip guide portion 31. The engaging part 32 is configured in a cylindrical shape. The inner diameter of the engagement portion 32 is substantially the same as the inner diameter of the needle tip guide portion 31 on the engagement portion 32 side, in other words, smaller than the outer diameter of the distal end of the connecting portion 121 and the outer diameter of the needle portion 122. It is configured with a larger diameter than.

  The engaging portion 32 includes a flange portion 32 a provided at an end portion where the needle tip guide portion 31 is provided, and a protruding portion 32 b provided on the outer peripheral surface of the engaging portion 32. The flange portion 32a is an annular protrusion. The protrusion 32b is, for example, an annular protrusion having a semicircular cross section.

  The body portion 22 includes an engaged portion 41 provided on one end side, an attachment portion 42 provided integrally with the engaged portion 41, and a protection portion 43 provided integrally with the attachment portion 42. Yes. The trunk | drum 22 is comprised with a resin material, for example, a polypropylene.

  The engaged portion 41 is configured in a cylindrical shape. The inner diameter of the engaged portion 41 is configured to be substantially the same as the outer diameter of the engaging portion 32. The engaged portion 41 is configured such that the length from the end portion that opens in the axial direction to the mounting portion 42 is longer than the axial length of the engaging portion 32.

  The engaged portion 41 includes a rhombus plate-like or elliptical plate-like protrusion 41a provided integrally on the outer peripheral surface thereof, and an annular recess provided on the inner peripheral surface thereof and having a semicircular cross section. 41b. The recess 41b is configured to be engageable with the protrusion 32b.

  The attachment portion 42 is configured in a substantially cylindrical shape having an inner diameter that is smaller than the inner diameter of the engaged portion 41. The attachment portion 42 is configured integrally with the engaged portion 41. The attachment portion 42 has, for example, a pair of ear portions 42a whose width gradually decreases toward the tip on a part of the outer peripheral surface, and a plurality of groove portions 42b that are recessed along the outer surface. The attachment part 42 is formed so that the storage part 12 can be fixed in an airtight manner. The attachment part 42 is formed so as to be able to fix the storage part 12 in an airtight manner, for example, by being welded to the storage part 12.

  The protection part 43 is provided integrally with the attachment part 42 and is configured in a cylindrical shape. The inner diameter of the protection portion 43 is configured to be smaller than the inner diameter of the attachment portion 42 and larger than the outer diameter of the needle portion 122. The axial length of the protection part 43 is such that when the tip of the connecting part 121 of the injection needle 112 contacts the needle tip guide part 31 and the movement of the injection needle 112 is restricted, the tip of the needle part 122 is protected. It is comprised in the length which does not protrude from the edge part which 43 opens.

  The rubber plug 23 is formed in a cylindrical shape having two different outer diameters. The rubber plug 23 has a cylindrical first portion 23a having an outer diameter slightly smaller than the inner diameter of the engaged portion 41 and larger than the inner diameter of the mounting portion 42, and an outer diameter thereof. A second portion 23b that can be fitted to the attachment portion 42. The rubber plug 23 is configured between the guide portion 21 and the trunk portion 22. The second portion 23b is configured to have the same diameter as the inner diameter of the attachment portion 42 or a slightly larger diameter, and is configured to be smaller than the outer diameter of the first portion 23a. The length of the second portion 23b in the axial direction is configured to be equal to or shorter than the length of the opening of the attachment portion 42 in the axial direction.

  The storage unit 12 is a so-called pouch formed by bonding films formed of a flexible resin material. The storage unit 12 is made of, for example, polypropylene. The storage part 12 is formed so that the periphery thereof is adhered and the inside is sealed by being hermetically fixed to the outer surface of the attachment part 42. When the storage part 12 is fixed to the insertion part 11, it is comprised by the substantially deaeration-like body.

Next, the manufacturing method of the container 1 for syringes comprised in this way is demonstrated.
First, the rubber plug 23 is inserted into the opening of the engaged portion 41 of the body portion 22 from the second portion 23b side, and the second portion 23b is fitted to the mounting portion 42. Thereby, the rubber plug 23 is fixed to the trunk portion 22. Next, the engaging portion 32 of the guide portion 21 is inserted into the engaged portion 41 of the body portion 22, and the flange portion 32 a of the engaging portion 32 is brought into contact with the end portion of the engaged portion 41. As a result, the protruding portion 32 b of the engaging portion 32 engages with the recess 41 b of the engaged portion 41, and the guide portion 21 is fixed to the trunk portion 22. Thereby, the insertion part 11 by which the guide part 21, the trunk | drum 22, and the rubber plug 23 were assembled integrally is comprised.

  Next, the storage part 12 is integrally bonded to the attachment part 42 of the body part 22 by heat welding or the like. By these steps, the syringe container 1 is manufactured.

Next, the usage method of the container 1 for syringes comprised in this way is demonstrated.
First, the drug solution is filled into the syringe 100 from an ampoule or a vial. When air is sucked into the syringe 100 during the suction of the drug solution, or when excess drug solution is sucked, unnecessary fluid is discharged into the syringe container 1. Specifically, as shown in FIG. 4, the needle portion 122 of the injection needle 112 is inserted from the opening of the needle tip guide portion 31 along the axial direction of the insertion portion 11. The needle portion 122 is inserted into the insertion portion 11 until the connection portion 121 of the injection needle 112 abuts on the inner peripheral surface of the needle tip guide portion 31 and the movement is restricted. At this time, the needle portion 122 passes through the needle tip guide portion 31 and the engaging portion 32, punctures the rubber plug 23, and then moves to a position before the tip of the protection portion 43.

  Next, the plunger is pushed toward the bottom dead center, and unnecessary fluid is discharged from the tip of the needle portion 122 from within the syringe 100. At this time, unnecessary fluid discharged from the syringe 100 moves into the reservoir 12.

  Next, the user removes the injection needle 112 from the insertion portion 11. At this time, in the rubber plug 23, the perforation generated by the puncture of the needle portion 122 is restored by its own restoring force, and the perforation is closed. As a result, the storage unit 12 is blocked from the outside by the rubber plug 23, and the discharged fluid can be stored in the storage unit 12. In this way, unnecessary fluid in the syringe 100 is discharged, and the syringe 100 can be used. The syringe container 1 storing unnecessary fluid is then discarded.

  According to the syringe container 1 configured as described above, the storage portion 12 is sealed with the rubber stopper 23, so that the fluid discharged from the syringe 100 can be safely and reliably leaked without leaking. The air sucked together with the chemical liquid and the chemical liquid can be discharged. For this reason, the container 1 for syringes can prevent the influence on an operator and the surrounding contamination by the leakage of a chemical | medical solution, etc.

  The syringe container 1 can shut off the external space and the protective part 43 connected to the storage part 12 by sealing the middle part of the passage in which the needle part 122 of the insertion part 11 moves with the rubber stopper 23. . Moreover, since the rubber plug 23 closes the perforation generated by the puncture of the needle portion 122 by its own restoring force, it is not necessary to separately close the perforation. For this reason, the container 1 for syringes does not require the operation | work which obstruct | occludes the storage part 12, and workability | operativity is good.

  Moreover, since the insertion part 11 of the container 1 for syringes is comprised by three members, the guide part 21, the trunk | drum 22, and the rubber stopper 23, it is a simple structure and there are few number of parts. For this reason, the container 1 for syringes is cheap and can be manufactured easily.

  Moreover, the insertion part 11 has the protection part 43 located in the storage part 12, and when the needle part 122 of the syringe 100 is located in the storage part 12, the protection part 43 exists in the circumference | surroundings. For this reason, the needle part 122 does not touch the storage part 12 directly, and it can prevent that the storage part 12 which is a pouch is damaged by the needle part 122, a hole is made, and a chemical | medical solution etc. leak from the said hole. For this reason, the container 1 for syringes has high safety.

  Moreover, the insertion part 11 can insert the needle part 122 into an opening having a wide opening area by providing the needle tip guide part 31 at a site where the needle part 122 is inserted. In addition, since the needle tip guide portion 31 is reduced in diameter, the needle portion 122 can be guided to a predetermined position. Furthermore, the needle tip guide part 31 has the collar part 31a at the opening end, so that when the needle part 122 is displaced from the opening when the needle part 122 is inserted, the needle part 122 pricks a finger having the insertion part 11. Can be prevented.

  Moreover, when the storage part 12 is attached to the insertion part 11, it exists in a deaeration state, Therefore A change becomes a minute thing with the trace amount fluid discharged | emitted from the injection device 100. FIG. Thereby, even if an external force is applied to the storage part 12 in which the fluid is stored, the fluid does not flow backward from the perforation of the rubber plug 23 and the rubber plug 23 does not fall off.

  The rubber plug 23 is configured such that the second portion 23b is fitted to the mounting portion 42, and the axial length of the second portion 23b is equal to or less than the axial length of the opening of the mounting portion 42. For this reason, since the rubber plug 23 is fixed to the mounting portion 42 by the second portion 23b being pressed and elastically deformed by the mounting portion 42, the rubber plug 23 is removed from the mounting portion 42 in the syringe container 1. Can be prevented.

As described above, according to the syringe container 1 according to the first embodiment of the present invention, the fluid discharged from the syringe 100 can be safely stored in the storage unit 12, can be manufactured at low cost, and has high production. Have sex.
(Second Embodiment)
Next, the structure of the insertion part 11A used for the syringe container 1 according to the second embodiment of the present invention will be described with reference to FIGS.
FIG. 5 is a perspective view showing the configuration of the syringe container 1 including the insertion portion 11A according to the second embodiment of the present invention, and FIG. 6 is a cross-sectional view showing the configuration of the insertion portion 11A. In addition, among the configurations of the insertion portion 11A according to the second embodiment, the same reference numerals are given to the configurations equivalent to the configuration of the insertion portion 11 of the syringe container 1 according to the first embodiment described above, Detailed description thereof is omitted.

The syringe container 1 includes an insertion portion 11A and a storage portion 12.
The insertion part 11A includes a guide part 21A, a body part 22, and a rubber plug 23.

  The guide portion 21A includes a needle tip guide portion 31A and an engagement portion 32 provided integrally with the needle tip guide portion 31A and configured in a cylindrical shape.

  The needle tip guide portion 31A is configured in a cylindrical shape that gradually decreases in diameter from the end portion toward the engaging portion 32 side. The needle tip guide portion 31 </ b> A is configured such that the inner diameter on the end portion side is larger than the outer diameter of the distal end of the connecting portion 121 of the injection needle 112, and the diameter gradually decreases toward the engaging portion 32 side. Further, the needle tip guide portion 31 </ b> A is configured such that the inner diameter on the engagement portion 32 side is smaller than the outer diameter at the tip of the connecting portion 121 and larger than the outer diameter of the needle portion 122. In addition, the needle tip guide portion 31A includes a disk-shaped flange portion 31a provided integrally on the outer peripheral surface of the end portion, and a guide wall 31b provided on the opening edge of the needle tip guide portion 31A.

  The guide wall 31b is configured in a semi-cylindrical shape. The guide wall 31b is provided over the half circumference of the opening edge of the needle tip guide portion 31A. The curvature radius of the inner peripheral surface of the guide wall 31b is configured to be larger than the radius of the outer peripheral surface of the connecting portion 121.

  According to the syringe container 1 including the insertion portion 11A configured as described above, the same effects as the syringe container 1 including the insertion portion 11 described above are obtained. In addition, the insertion portion 11A has the guide wall 31b at the opening edge of the needle tip guide portion 31A, so that when the needle portion 122 is inserted into the needle tip guide portion 31A, the needle portion 122 is inserted into the inner periphery of the guide wall 31b. By sliding on the surface, the needle part 122 can be easily inserted into the needle tip guide part 31A.

As described above, according to the syringe container 1 including the insertion portion 11A according to the second embodiment of the present invention, the fluid discharged from the syringe 100 can be safely stored in the storage portion 12 and manufactured at low cost. It is possible and has high productivity.
(Third embodiment)
Next, the structure of the syringe container 1B according to the third embodiment of the present invention will be described with reference to FIGS.
FIG. 7 is a front view showing a configuration of a syringe container 1B according to the third embodiment of the present invention, and FIG. 8 is a cross-sectional view showing a configuration of an insertion portion 11B used in the syringe container 1B. Note that, among the configurations of the syringe container 1B according to the third embodiment, the same reference numerals are given to the configurations equivalent to the configurations of the syringe container 1 according to the above-described first embodiment, and the detailed description thereof is omitted. Description is omitted.

  As shown in FIG. 7, the syringe container 1 </ b> B includes an insertion portion 11 </ b> B and a storage portion 12.

  The insertion portion 11B includes a trunk portion 22B and a rubber plug 23. That is, the insertion part 11B is a structure which does not have the guide part 21 of the container 1 for syringes mentioned above.

  The body portion 22B includes a base portion 41B provided on one end side, an attachment portion 42 provided integrally with the engaged portion 41, and a protection portion 43B provided integrally with the attachment portion 42. The trunk portion 22B is made of a resin material, for example, polypropylene.

  The base 41B is configured in a cylindrical shape. The inner diameter of the base portion 41B is configured to be substantially the same as or slightly larger than the outer diameter of the first portion 23a of the rubber plug 23. The base 41B is configured such that the length from the end opening in the axial direction to the mounting portion 42 is slightly longer than the first portion 23a. The base 41B has a rhombus-like or elliptical-plate-like projection 41a provided integrally on the outer peripheral surface thereof, and a plurality of projections 41c on the inner peripheral surface of the opening end thereof.

  The protrusion 41c is configured such that the height from the inner peripheral surface of the base 41B is higher than the distance from the inner peripheral surface of the base 41B to the first portion 23a of the rubber plug 23. The plurality of projecting portions 41c are restricting portions that restrict movement in the direction in which the rubber plug 23 falls off.

  The protection portion 43B is provided integrally with the attachment portion 42, is configured in a cylindrical shape with a closed end, and has one or a plurality of hole portions 43a on the outer peripheral surface on the distal end side. The inner diameter of the protection part 43 </ b> B is configured to be smaller than the inner diameter of the attachment part 42 and larger than the outer diameter of the needle part 122.

  According to the syringe container 1B including the insertion portion 11B configured as described above, the same effects as the syringe container 1 including the insertion portion 11 described above can be obtained. In addition, since the insertion portion 11B is composed of two parts, the body portion 22B and the rubber plug 23, the manufacturing cost can be reduced.

  The insertion portion 11B is configured to open the end portion of the base portion 41B of the body portion 22B, insert the needle portion 122 of the syringe 100 from this opening, and puncture the rubber plug 23. For this reason, since an opening area can be ensured, it can prevent that the workability | operativity of puncture work falls. Further, the tip of the protection part 43B of the body part 22B is closed and the fluid is discharged from the hole 43a to the storage part 12, so that the needle part 122 contacts the storage part 12 beyond the protection part 43B. Can be prevented.

  As described above, according to the syringe container 1B according to the third embodiment of the present invention, the fluid discharged from the syringe 100 can be safely stored in the storage unit 12, can be manufactured at low cost, and has high production. Have sex.

  The present invention is not limited to the above embodiment. In the above-described example, the syringe container 1 is configured such that the insertion portion 11 includes the guide portion 21, the body portion 22, and the rubber plug 23 as separate bodies, and the guide portion 21, the body portion 22, and the rubber plug 23. However, the present invention is not limited to this. For example, as shown in the insertion part 11C according to the fourth embodiment shown in FIG. 9, the guide part 21 and the body part 22 are integrally molded from a resin material, and the rubber plug 23 is disposed inside during the molding. There may be.

  Moreover, although the container 1 for syringes demonstrated the structure which integrally assembles the guide part 21 and the trunk | drum 22 by engagement of the protrusion part 32b and the hollow 41b in the example mentioned above, it is not limited to this. For example, a male screw portion is provided on the outer peripheral surface of the engaging portion 32 of the guide portion 21, a female screw portion is provided on the inner peripheral surface of the engaged portion 41 of the trunk portion 22, and the guide portion 21 is engaged by screwing these screw portions. And the structure which assembles the trunk | drum 22 may be sufficient. In addition, various modifications can be made without departing from the scope of the present invention.

  DESCRIPTION OF SYMBOLS 1 ... Syringe container, 11 ... Insertion part, 12 ... Storage part, 21 ... Guide part, 22 ... Trunk part, 23 ... Rubber stopper, 23a ... 1st site | part, 23b ... 2nd site | part, 31 ... Needle tip guide part, 31a ... collar portion, 31b ... guide wall, 32 ... engagement portion, 32a ... flange portion, 32b ... projection portion, 41 ... engaged portion, 41a ... projection portion, 41B ... base portion, 42 ... mounting portion, 42a ... ear Part 42b ... groove part 43 ... protection part 43a ... hole part 100 ... syringe 110 ... barrel 110a ... tip part 112 ... injection needle 121 ... connecting part 122 ... needle part

Claims (6)

A flexible storage section;
Cylindrical attachment part that is airtightly attached to the outer surface of the storage part, and a cylindrical protection part that is integrally provided in the attachment part and that is configured to have a smaller diameter than the inner diameter of the attachment part. A torso having
A rubber stopper that fits and seals the mounting portion;
A syringe container comprising:   The syringe container according to claim 1, further comprising a cylindrical guide portion fixed to the body portion and having a needle tip guide portion at an end portion thereof. The needle tip guide portion has an inner diameter that gradually decreases from the end toward the barrel portion, and can contact a connecting portion to which the needle portion of the injection needle is fixed on the inner peripheral surface thereof. Composed of
The said protection part has a length in which the front-end | tip of the said needle part is located inside, when the said connection part contact | abuts with the internal peripheral surface of the said needle tip guide part. Syringe container.   The syringe container according to claim 3, wherein the guide portion has a semi-cylindrical guide wall provided at an opening edge of the needle tip guide portion.   2. The syringe container according to claim 1, wherein an axial length of a portion of the rubber plug fitted into the attachment portion is configured to be equal to or less than an axial length of the space of the attachment portion. .   2. The syringe container according to claim 1, wherein a tip of the protective part is closed and a hole is formed on an outer peripheral surface thereof.