DRUG SOLUTION INJECTION CONTROLLER

Title:

DRUG SOLUTION INJECTION CONTROLLER

Document Type and Number:

WIPO Patent Application WO/2020/149406

Kind Code:

A1

Abstract:

Provided is a drug solution injection controller having a novel structure such that, while being compact, priming of a sub-line can be completed rapidly.　A push operation member 78 for performing rapid administration of a drug solution is fitted, in such a manner as to be capable of moving back-and-forth, in a housing 34 accommodating a sub-reservoir 36. Arranged along a straight line in the moving direction of the push operation member 78 are a push operation surface 79 of the push operation member 78, the sub-reservoir 36, and an inflow side and outflow side flow path provision space 115 for the drug solution to and from the sub-reservoir 36. Disposed in the flow path provision space 115 are a rapid administration valve 116 for establishing communication in, and for shutting-down, the flow path 96 on the outflow side, a limiting flow path 94 provided on the flow path 92 on the inflow side, a priming flow path 95 bypassing the limiting flow path 94, and a closing valve 140 for shutting down the priming flow path 95.

Inventors:

SAKAMOTO SHINGO (JP)

Application Number:

PCT/JP2020/001543

Publication Date:

July 23, 2020

Filing Date:

January 17, 2020

Export Citation:

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Assignee:

NIPRO CORP (JP)

International Classes:

A61M5/175; A61M5/152; A61M5/168

Foreign References:

JP2017077449A	2017-04-27
JPH10295812A	1998-11-10
US20180207361A1	2018-07-26

Other References: