Prefilled injection syringe assembly
AssigneeA.P.I.S. Medical B.V.
InventorAbraham van den Haak
Life of this patent
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Abstract
An injection assembly, at least comprising a prefilled liquid container with an outflow opening, a piston displaceable in said liquid container with a piston rod and a piston head, an injection needle with a needle fitting which is or can be fixed in the outflow opening, and seling means, said needle fitting and the piston comprising coupling means which can be mutually coupled so as to allow the injection needle to be retracted into the liquid container after use of the assembly, the injection needle further comprising a protection cap with a passage for the needle, which cap is or can be permanently mounted on the outflow opening.
Claims10
An injection syringe assembly, comprising at least a prefilled liquid container with an outflow opening, a piston displaceable in said liquid container with a piston rod and a piston head, an injection needle with a needle fitting which is or can be fixed in the outflow opening, and sealing means, wherein the needle fitting and the piston comprise coupling means which can be mutually coupled so as to allow the injection needle to be retracted into the liquid container after use of the assembly, and wherein the injection needle further comprises a protection cap with a passage for the needle, which cap is or can be permanently mounted on the outflow opening wherein the needle fitting consists of two sections, the section of the needle fitting comprising the coupling means being made in the form of an auxiliary coupling part which is situated in the outflow opening and comprising said coupling means and being adapted to be coupled with the other section of the needle fitting.
An injection syringe assembly, comprising at least a prefilled liquid container with an outflow opening, a piston displaceable in said liquid container with a piston rod and a piston head, an injection needle with a needle fitting which is or can be fixed in the outflow opening, and sealing means, wherein the needle fitting and the piston comprise coupling means which can be mutually coupled so as to allow the injection needle to be retracted into the liquid container after use of the assembly, and wherein the injection needle further comprises a protection cap with a passage for the needle, which cap is or can be permanently mounted on the outflow opening, wherein a bevelled snap rib is present on the outer wall of the outflow opening, which can be permanently coupled with one or more snap lugs provided on the protection cap.
An injection syringe assembly, comprising at least a prefilled liquid container with an outflow opening, a piston displaceable in said liquid container with a piston rod and a piston head, an injection needle with a needle fitting which is or can be fixed in the outflow opening, and sealing means, wherein the needle fitting and the piston comprise coupling means which can be mutually coupled so as to allow the injection needle to be retracted into the liquid container after use of the assembly, and wherein the injection needle further comprises a protection cap with a passage for the needle, which cap is or can be permanently mounted on the outflow opening, wherein the piston comprises a piston rod and a piston head with a through-going filling duct therein and an element with septum operation near the extremity of the piston head.
Dependencies are inferred from the claim text.