High pressure syringe with pressure indicator
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United States of America Patent
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-
Dec 1, 1987
Grant Date -
N/A
app pub date -
Nov 24, 1986
filing date -
Nov 24, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high pressure anesthetic syringe is provided for use in procedures such as intraligamentary anesthesia wherein a high pressure is generated by a drive mechanism to advance a piston rod in a direction to express liquid anesthesia from a glass carpule, wherein a pressure indicating mechanism is provided by including an elongated stem slidably mounted within the piston rod of the syringe and wherein pressure applied to the liquid anesthetic is indicated by relative movement between the elongated stem and the piston rod.
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