Tapered I-beam surgical needles
US4799484A · kind A · utility
104Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1987 |
| Grant date | Jan 24, 1989 |
| Priority date | — |
| Expiry date | Apr 10, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/06028
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Surgical needles are described which exhibit a tapered region intermediate the point and barrel sections, over which the needles undergo a gradual transition in shape from a generally rounded circumference to a rectangular I-beam shape. The I-beam shape affords favorable strength characteristics and the gradual transition in shape smoothes the changes in penetration force performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.