Invention Grant
- Patent Title: Prefilled type nasal drip appliance
- Patent Title (中): 预填式鼻滴式器具
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Application No.: US12740067Application Date: 2008-10-28
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Publication No.: US08276581B2Publication Date: 2012-10-02
- Inventor: Hideaki Kawamura , Hiroshi Togashi
- Applicant: Hideaki Kawamura , Hiroshi Togashi
- Applicant Address: JP Tokyo
- Assignee: Daikyo Seiko, Ltd.
- Current Assignee: Daikyo Seiko, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: The Webb Law Firm
- Priority: JP2007-281437 20071030
- International Application: PCT/JP2008/069495 WO 20081028
- International Announcement: WO2009/057572 WO 20090507
- Main IPC: A61M11/00
- IPC: A61M11/00

Abstract:
Provided is an easy-to-handle prefilled type nasal drip appliance which can spray medical solution surely into the nostril while holding down the production cost. A syringe barrel has a spray hole and a latching portion of a center stopper on one side, with a conduction portion of medical solution being provided at the latching portion, and has a portion protruding inward of the inner circumferential surface formed on the other end side. A plunger has a portion protruding outward of the outer circumferential surface formed substantially in the axial center wherein both protrusions engage with each other. When the plunger is moved in the spray direction of the syringe barrel to get over the plunger side protrusion and disengaged, the medical solution moves the center stopper in the spray direction to form a medical solution inflow groove between the conduction portion formed at the center stopper latching portion and the center stopper. Consequently, a medical solution storage portion and the spray hole are interconnected and the medical solution can be sprayed.
Public/Granted literature
- US20100258115A1 Prefilled Type Nasal Drip Appliance Public/Granted day:2010-10-14
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