Hypodermic needle with a protrusion
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United States of America Patent
Stats
-
Jan 12, 1999
Grant Date -
N/A
app pub date -
Oct 26, 1993
filing date -
Nov 6, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Hypodermic needle 2 is to be introduced between the skin and the tissue adjacent to the skin. To separate the skin from the tissue, cartilage or bone below the skin and to prevent the tip 6 of the needle 2 from piercing the tissue below the skin this invention discloses providing the extremity 6 of the needle with a protrusion 4. To prevent damage to the living being in which the needle 2 is introduced the transition of the protrusion 4 to the needle is smooth in all directions. The protrusion 4 is provided on that side of the needle which will be adjacent to the tissue, cartilage or bone of the living being.
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