Method of preparing and extruding a chemical agent using a kneader and chemical-agent extrusion assisting tool
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United States of America Patent
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Aug 13, 2002
Grant Date -
N/A
app pub date -
Oct 3, 2000
filing date -
Oct 6, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An assisting tool for pressing a piston while fixing in place a syringe or a similar instrument which contains a highly viscous chemical agent, so as to extrude the chemical agent, as well as a method for extruding a chemical agent using the same. The chemical-agent extrusion assisting-tool includes a tool body in the form of a cylindrical body having a space formed therein for accommodating a tubular container, such as a syringe, which contains a highly viscous chemical, such as calcium-phosphate-based cement formed by kneading a calcium phosphate powder and a kneading liquid composed of a polysaccharide-containing aqueous solution, and an outlet formed at its bottom end. The cylindrical body has a cylindrical space formed therein so as to open at an upper end surface thereof. The assisting-tool further has a pusher including a handle portion for pressing a piston to be inserted into the tubular container, and a tubular body screw-threadedly engaged with the tool body and disposed on a side of the handle portion which presses the piston. The handle portion of the chemical-agent extrusion assisting-tool is rotated so as to press the tubular body into the cylindrical space and so as to press the piston into the tubular container, thereby extruding the chemical agent from the tubular container.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- NGK SPARK PLUG CO., LTD.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hattori, Masateru | Aichi, JP | 16 | 422 |
Mizutani, Yoichiro | Aichi, JP | 5 | 245 |
Okuyama, Masahiko | Aichi, JP | 25 | 665 |
Sawamura, Takenori | Aichi, JP | 12 | 377 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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