Insulin pen needle with needle tip protection
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United States of America Patent
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Jun 1, 2021
Grant Date -
May 31, 2018
app pub date -
Mar 31, 2016
filing date -
Apr 28, 2015
priority date (Note) -
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Abstract
An insulin injection needle with needle tip protection has a needle body, needle base, main cover and outer sheath. The main cover is provided with the trigger tube, front casing and spring. The trigger tube is used to protect the injection section of needle body before use and the front casing is used to protect the injection section of needle body after use. Before use, the trigger tube extends out of the main cover and is in the state of protecting the needle, and the front casing is in the main cover; after, the trigger tube is in the main cover and the front casing extends out of the main cover and protects the needle. The unlocking of trigger tube and front casing correlate with injection readiness and the tail cover and needle base trigger the unlocking of trigger tube and front casing during the installation.
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