公开(公告)号：US11638791B2

公开(公告)日：2023-05-02

申请号：US16500608

申请日：2018-03-29

Applicant: NIPRO CORPORATION

Inventor： Yukihiro Yabe ,  Teruhisa Hirobe

IPC: A61M11/00 ,  A61M15/08

Abstract: A syringe type ejection device capable of reducing an amount of residual liquid is provided. A syringe type ejection device includes: a barrel; a nozzle disposed to face the barrel; and a core inserted in the nozzle, the barrel having a large-diameter portion provided with a discharge space for discharging liquid, the nozzle being provided with a holding space for holding the core, the holding space being in communication with the discharge space, and the core being inserted in the discharge space.

公开(公告)号：US11045611B2

公开(公告)日：2021-06-29

申请号：US15573695

申请日：2016-04-26

Applicant: NIPRO CORPORATION

Inventor： Teruhisa Hirobe

IPC: A61M5/34 ,  A61M5/28 ,  A61J1/20 ,  A61M5/32 ,  A61M5/20

Abstract: A drug delivering apparatus includes a drug container, a pre-filled syringe including a cylindrical container having a nozzle portion and an injection needle attachment portion, and a connecting tool configured to allow communication between the inside of the cylindrical container and the inside of the drug container. The connecting tool further includes a nozzle insertion portion. The pre-filled syringe further includes a cap member configured to be detachably fitted on the injection needle attachment portion, the cap member having an opening into which the nozzle insertion portion can be inserted. The injection needle attachment portion has a guiding groove in the inner periphery thereof. In the state where the cap member is fitted on the injection attachment portion, at least a part of the edge of the opening is located on the inner side relative to the bottom portion of the guiding groove.