Hypodermic syringe
OwnerWilliam F. Van Eckinventor
Life of this patent
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Abstract
A hypodermic syringe including a needle and a deformable ampul connected thereto adjacent a neck portion where a rupturable membrane extends across the neck portion sealing a medicament in the ampul.
Claims9
A hypodermic syringe comprising a prefilled medicament-containing ampul, a hypodermic needle, said ampul having a wall made of a resilient plastic material defining a medicament-containing chamber, with a hollow neck portion leading to a mouth, said needle affixed to said ampul in communication with said mouth, said wall defining an indentation in said neck portion and decreasing the area across said neck portion thereat, a rupturable membrane disposed across said neck portion at said indentation and providing a fluid seal between said mouth and said chamber to maintain a medicament in said chamber in a sterile condition.
A medicament-containing ampul for use in combination with a hypodermic needle, said ampul having a wall made of a resilient plastic material defining a medicament-containing chamber with a hollow neck portion leading to a mouth, said mouth adapted to receive the needle, said wall defining an indentation in said neck portion and decreasing the area across said neck portion thereat, a rupturable membrane disposed across said neck portion at said indentation and providing a fluid seal between said mouth and said chamber to maintain said medicament in a sterile condition.
Dependencies are inferred from the claim text.