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Patent Searching and Data


Title:
SYRINGE OPENING CONFIRMATION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/004158
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a syringe opening confirmation structure enabling immediate recognition that a syringe has been opened. A cap 4 of a syringe 2 is provided with: a cover portion 5 which covers a distal end portion of a nozzle 201; an airtight stopper portion 7 which is elastic and, in a state of being attached inside the cover portion 5, airtightly stops the distal end portion of the nozzle 201; and a tamper ring 6 which is tubular and, in a state in which the nozzle 201 is passed therethrough, is fixed to the syringe 2. The tamper ring 6 includes an arresting portion which is detachably connected to the cover 5, wherein the airtight stopper portion 7 is pressed onto the distal end portion of the nozzle 201 in an axial direction of the tamper ring 6 and elastically compressed by the cover 5.

Inventors:
SONOYAMA TOMOYUKI (JP)
MASUDA SHOTA (JP)
Application Number:
PCT/JP2018/024092
Publication Date:
January 03, 2019
Filing Date:
June 26, 2018
Export Citation:
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Assignee:
TAISEI KAKO CO (JP)
International Classes:
A61M5/31; A61M5/50
Domestic Patent References:
WO2013146296A12013-10-03
Foreign References:
JP2008502422A2008-01-31
JP2002177395A2002-06-25
JPS509924B11975-04-17
Other References:
See also references of EP 3646910A4
Attorney, Agent or Firm:
FUJIMOTO & PARTNERS (JP)
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