Osteal medical staple
US4454875A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1982 |
| Grant date | Jun 19, 1984 |
| Priority date | — |
| Expiry date | Apr 15, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B15/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An osteal medical staple of unique configuration having a cross-bar portion defining gripping surfaces by which the staple may be securely and rigidly held by a driver tool or the like, wherein the staple has depending leg portions flaring outwardly a predetermined amount such that regardless of the size of the staple a discrete, constant spread or flaring is obtained once same is implanted in bone or the like, and wherein loosening or reversal of the driven staple is all but eliminated by reason of the triangular, in cross-section, legs of the staple wherein two of the sides have retention barbs thereby insuring complete and total fixation while the curvilinear surfaces of the cross-bar portion of the staple insure a minimum of damage to soft tissue surrounding the bone with which the staple is utilized. Securing spikes on the undersurface of the cross-bar portion of the staple, as well as the integral metal construction of same provide for a substantially inert, high-quality, high-performance staple particularly suitable for the attachment of soft tissue such as ligaments or tendons to bone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.