JPH0258446U

JPH0258446U -

Info

Publication number: JPH0258446U
Application number: JP13767188U
Authority: JP
Priority date: 1988-10-21
Filing date: 1988-10-21
Publication date: 1990-04-26
Also published as: JPH0331302Y2

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図乃至第８図は実施の一例を示しており、
第１図は使用前の状態の縦断側面図、第２図は第
１図中―線断面図、第３図は密封栓の右正面
図、第４図はガスケツトの左正面図、第５図はガ
スケツトの押進初期の状態を示す縦断側面図、第
６図は密封栓とガスケツトとが結合した時点の縦
断側面図、第７図はガスケツトの押進終期の状態
を示す縦断側面図、第８図は注射針取付時の縦断
側面図、第９図は従来品の縦断側面図、第１０図
は第９図に示すもののガスケツトの押進初期の状
態を示す縦断側面図、第１１図及び第１２図は、
第１０図に示すものの異なる取り扱い状態におけ
る注射液及び残溜空気の挙動を示す縦断側面図で
ある。１：注射器外筒、３：筒先部、４：内壁、５：
バイパス溝、６：外筒開口部、７：密封栓、８：
第１の内室、９：ガスケツト、１０：第２の内室
、１１，１２：対峙面、１３，１４：係合部。 1 to 8 show an example of implementation,
Figure 1 is a vertical side view of the gasket before use, Figure 2 is a cross-sectional view taken along the line in Figure 1, Figure 3 is a right front view of the sealing plug, Figure 4 is a left front view of the gasket, and Figure 5. 6 is a longitudinal side view showing the state of the gasket at the initial stage of pushing, FIG. 6 is a longitudinal side view of the gasket when the sealing plug and gasket are combined, FIG. 7 is a longitudinal side view showing the state of the gasket at the end of pushing. 8 is a vertical side view when the injection needle is attached, FIG. 9 is a vertical side view of the conventional product, FIG. 10 is a vertical side view of the gasket shown in FIG. Figure 12 shows
FIG. 11 is a longitudinal side view showing the behavior of the injection solution and residual air in different handling conditions of the device shown in FIG. 10; 1: Syringe outer cylinder, 3: cylinder tip, 4: inner wall, 5:
Bypass groove, 6: Outer cylinder opening, 7: Sealing plug, 8:
1st inner chamber, 9: gasket, 10: second inner chamber, 11, 12: facing surface, 13, 14: engaging portion.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

注射器外筒の略中央部の内壁に外筒長さ方向に
走るバイパス溝が凹設され、該バイパス溝の長さ
より短かい厚さの密封栓が、該バイパス溝より外
筒開口部寄り位置の外筒内に水密に嵌着され、筒
先部と前記密封栓との間に第１の内室を形成し、
前記密封栓より外筒開口部寄り位置の外筒内にガ
スケツトが水密に嵌着され、前記密封栓と前記ガ
スケツトとの間に第２の内室を形成していると共
に、前記密封栓とガスケツトとの両者の各対峙面
には、当接時に一体結合する係合部がそれぞれ形
成されている２室式容器兼用注射器。 A bypass groove running in the longitudinal direction of the outer cylinder is formed in the inner wall of the syringe outer cylinder at approximately the center thereof, and a sealing stopper having a thickness shorter than the length of the bypass groove is located at a position closer to the opening of the outer cylinder than the bypass groove. fitted in an outer cylinder in a watertight manner, forming a first inner chamber between the cylinder tip and the sealing plug;
A gasket is watertightly fitted into the outer cylinder at a position closer to the opening of the outer cylinder than the sealing plug, forming a second inner chamber between the sealing plug and the gasket, and forming a second inner chamber between the sealing plug and the gasket. A two-chamber container-cum-syringe in which engaging portions are formed on each facing surface of the two to be integrally connected when abutting each other.