Title:
OPENING/CLOSING UNIT DRIVE MECHANISM FOR DRUG SOLUTION CIRCUIT, AND DRUG SOLUTION INJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/158830
Kind Code:
A1
Abstract:
The present invention makes it possible to safely and easily handle a drug solution circuit having various components. This opening/closing unit drive mechanism 740 comprises: an opening/closing unit holder 741 for detachably holding an opening/closing unit comprising a housing having a flow path and a piston that is provided to the housing so as to be movable and that opens and closes the flow path; a hook 742 that is arranged spaced apart from the opening/closing unit holder 741 and that engages with the piston of the opening/closing unit; and a linear movement mechanism 743 that causes the hook 742 to advance or retreat. The opening/closing unit holder 741 is movably supported between a first position in which the piston engages with the hook 742 and a second position in which the piston does not engage with the hook 742.
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Inventors:
NEMOTO SHIGERU (JP)
FUKIKOSHI YUMIKO (JP)
UEKI JUN (JP)
SAITOH YASUFUMI (JP)
FUKIKOSHI YUMIKO (JP)
UEKI JUN (JP)
SAITOH YASUFUMI (JP)
Application Number:
PCT/JP2020/003277
Publication Date:
August 06, 2020
Filing Date:
January 29, 2020
Export Citation:
Assignee:
CIRCULUS INC (JP)
International Classes:
A61M5/145; A61M5/168; A61M39/28
Domestic Patent References:
| WO2018181270A1 | 2018-10-04 | |||
| WO2014104338A1 | 2014-07-03 | |||
| WO2018181270A1 | 2018-10-04 |
Foreign References:
| JPH1071202A | 1998-03-17 | |||
| JP2004024874A | 2004-01-29 | |||
| JPH09154937A | 1997-06-17 |
Other References:
See also references of EP 3919098A4
Attorney, Agent or Firm:
ITO, Katsuhiro (JP)
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