Medicinal-liquid injection apparatus
US7172576B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2005 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Oct 3, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0096
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
It is a purpose to provide a medicinal-liquid injection apparatus in which a needle-like tubular member is smoothly movable in a lumen without damaging an inner circumferential surface of the lumen. It includes that the needle-like tubular member having an acuminate needle portion as a free end portion thereof, in which a medicinal liquid can flow, is inserted in the lumen of a tubular main body insertable in a body of a living being, and a protection member having a flexible portion provided in a state such that the protection member is movable together with the needle-like tubular member and such that the flexible portion is interposed between an inner circumferential surface of the lumen and a tip of the needle portion of the needle-like tubular member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.