Surgical suture needle of the taper point type
US5683416A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1996 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Feb 20, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/06028
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A taper point surgical needle having improved needle point strength is disclosed. In one embodiment of the needle, a tip portion includes first and second integral tapered regions having first and second cross-sectional areas respectively which decrease progressively toward the tip of the needle in accordance with first and second angles of inclination respectively, with the first angle being greater than the second angle. In another embodiment of the needle of the present invention, the tip portion includes a third tapered region integral with the second tapered region and having a cross-sectional area which decreases progressively toward the needle tip in accordance with a third angle of inclination which is smaller than the second angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.