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Patent Searching and Data


Title:
FILTER SYRINGE
Document Type and Number:
WIPO Patent Application WO/2019/208891
Kind Code:
A1
Abstract:
A filter syringe according to the present invention comprises: a cylinder having a coupling tube such that a syringe needle is coupled thereto; a filter part comprising a first path which is installed inside the cylinder and in which an injectable solution is introduced into the cylinder through the syringe needle, and a second path which is formed in the center of the first path and in which the injectable solution is discharged from the cylinder to the outside; and a piston which has, on the front side thereof, a coupling shaft member couplable to the filter part, and which moves forward or backward while a part thereof is inserted into the cylinder so as to introduce the injectable solution into the cylinder or discharge the injectable solution to the outside of the cylinder. The filter part comprises: a check valve which is connected to the syringe needle, introduces the injectable solution through the first path, and blocks the first path so as to discharge the injectable solution through the second path; a filter member which is installed on the second path so as to filter the injectable solution discharged through the second path; and a filter body which has, on one side thereof, an accommodation groove for accommodating the filter member therein so as to bring the filter member accommodated in the accommodation groove into close contact with the check valve.

Inventors:
KIM JEONG WOOK (KR)
RYU JAE WON (KR)
SEOK WON HYUN (KR)
Application Number:
KR2018/013496
Publication Date:
October 31, 2019
Filing Date:
November 08, 2018
Export Citation:
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Assignee:
SANG A FRONTEC CO LTD (21629, KR)
International Classes:
A61M5/31; A61M5/315; A61M39/24
Foreign References:
KR101795445B12017-11-10
KR20160136734A2016-11-30
KR101680211B12016-11-28
KR101466764B12014-11-28
KR101335979B12013-12-03
KR101891787B12018-08-27
Attorney, Agent or Firm:
ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM (06575, KR)
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