Optical marker for positioning medical instrument, and medical instrument assembly
US12127892B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2021 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Apr 6, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3983
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An optical marker for positioning a medical device outside a body and the medical device are disclosed. The optical marker comprises: a base having a concave or a convex, the concave or the convex being provided with a non-coplanar optical mark(s), and the optical mark(s) being visible on the entire surface of the concave or the convex; and a connecting portion connected to the base and used for connecting with the medical device. In the optical marker, the base provided with the optical mark(s) has a non-planar structure, being able to increase the recognizable angle of the medical device and improve the recognition accuracy and stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.