Title:
輸送効率が高められた、ロック・システムを備える格納可能な注射器
Document Type and Number:
Japanese Patent JP5785190
Kind Code:
B2
Abstract:
A plunger, a needle assembly and a retractable syringe comprising same are provided. The plunger comprises a plunger member and a plunger outer having a lock spring that prevents or impedes movement of the plunger member after needle retraction. The plunger further comprises another locking member for engaging the barrel to prevent or impede further movement of the plunger outer after delivery of fluid contents. The plunger member has a plunger seal which engages a retractable needle of the needle assembly for retraction. The retractable needle comprises a cannula and needle body with a plurality of fluid channels that co-operate with a fluid conduit of the plunger seal to efficiently direct fluid to the cannula. A needle retainer comprises a plurality of barbed arms releasably coupled to the needle body, whereby an ejector with tabs facilitates release of the retractable needle from the needle retainer to allow compressed spring-driven retraction.
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Inventors:
Karl, Joseph Hermes
Sokolov, Richard
Dan, Christopher
Ueso, Ernesto
Wallis, Hugh
Chad, Scott
Sorry, Craig Stephen
Sokolov, Richard
Dan, Christopher
Ueso, Ernesto
Wallis, Hugh
Chad, Scott
Sorry, Craig Stephen
Application Number:
JP2012545010A
Publication Date:
September 24, 2015
Filing Date:
December 10, 2010
Export Citation:
Assignee:
UNITRACT SYRINGE PTY LTD
International Classes:
A61M5/315; A61M5/32
Domestic Patent References:
| JP2008535589A | ||||
| JP2004321775A |
Foreign References:
| WO2009003234A1 | ||||
| WO2006108243A2 | ||||
| US20040215150 | ||||
| US20080234635 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Atsushi Honda
Makoto Onda
Atsushi Honda