Sterile drug-mixing syringe
US8007461B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Sep 12, 2006 |
| Grant date | Aug 30, 2011 |
| Priority date | — |
| Expiry date | Mar 26, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/31518
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention is directed to a menstruum prepositioned type sterile drug-mixing syringe and a menstruum separately positioned type sterile drug-mixing syringe including a shell, a needle, a piston and a push-pull rod assembly. The syringe further includes a menstruum bottle, a solute bottle, a sliding sleeve and a needle loading assembly. The menstruum bottle may be fixed to the inner wall of a sliding sheath, and the solute bottle may be fixed to the inner of the shell. Piston may be disposed within the solute bottle. The sliding sleeve may be socketed to the front end of the shell in advance or disposed by other ways. The mouth of the menstruum bottle may be opposite to the mouth of the solute bottle and may be connected by a needle, which has two piercing tips, wherein the needle punctures and is securely connected to the needle loading assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.