Catheter needle assembly with enclosable needle
US11318286B2 · kind B2 · utility
4Cited by
66References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2021 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Mar 22, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0693
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and devices to facilitate positioning of a catheter into a vessel. Devices include axially concentric assemblies of a piercing cannula, a shield and tubing such as a catheter where the shield can be passively or actively locked into position over the cannula tip to prevent inadvertent needle sticks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.