Indwelling needle assembly
US8876773B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 26, 2012 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Sep 26, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/1587
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An indwelling needle assembly includes a hollow outer needle, an outer needle hub fixed to a proximal portion of the outer needle, and an inner needle inserted in the outer needle. An inner needle hub is fixed to a proximal portion of the inner needle. A pressing member is connected to the outer needle hub, wherein the pressing member presses a portion of the outer needle between a proximal end and a distal end during a puncturing operation. The needlepoint of the inner needle and a distal portion of the outer needle, while in an assembled state, puncture a blood vessel in a process of placing the outer needle indwelling in a blood vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.