Medicinal solution injection device and medicinal solution injection method

US8926554B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8926554-B2
Application numberUS-201013394906-A
CountryUS
Kind codeB2
Filing dateSep 17, 2010
Priority dateSep 17, 2009
Publication dateJan 6, 2015
Grant dateJan 6, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

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A medicinal solution injection apparatus 10 includes a composite needle 12 including a needle base portion 12 c , an injection needle 12 d , and an adjustment needle 12 e , a pressure generating portion 13 configured to discharge a compressed air, a measuring portion 14 configured to measure a filling amount and a filling speed of a medicinal solution by measuring a position of a gasket 17 a of a syringe 17 , and a control portion 15 configured to control the pressure generating portion 13 and the measuring portion 14 . The compressed air is introduced into a vial container 16 through an edge 12 h of the adjustment needle 12 e located above a liquid surface 16 a of the medicinal solution in the vial container 16 (outside the liquid surface) to press the liquid surface 16 a of the medicinal solution downward, so that a medicinal solution 16 b is injected into the syringe 17 through an edge 12 i of the injection needle 12 d in the medicinal solution 16 b . The medicinal solution injection apparatus 10 can accurately and efficiently inject the medicinal solution 16 b of the vial container 16 into the syringe 17 while suppressing the medicinal solution 16 b from foaming.

First claim

Opening claim text (preview).

The invention claimed is: 1. A medicinal solution injection apparatus, comprising: a composite needle including a receiving port for receiving a medicinal solution container, a holding port for holding a syringe, an injection needle inserted through a needle base portion to communicate the receiving port with the holding port, and an adjustment needle inserted through the needle base portion from a side surface of the needle base portion to the receiving port and located in parall…

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What does patent US8926554B2 cover?
A medicinal solution injection apparatus 10 includes a composite needle 12 including a needle base portion 12 c , an injection needle 12 d , and an adjustment needle 12 e , a pressure generating portion 13 configured to discharge a compressed air, a measuring portion 14 configured to measure a filling amount and a filling speed of a medicinal solution by measuring a position of…
Who is the assignee on this patent?
Okuda Akinobu, Nakamura Tohru, Fujioka Soichiro, and 3 more
What technology area does this patent fall under?
Primary CPC classification A61J1/2096. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Jan 06 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).