Catheter insertion apparatus with continuous visible flashback
US12246149B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2021 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | Feb 16, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2039/062
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure relates to a catheter insertion apparatus including a hollow needle body connected to a needle hub, and a catheter that removably fits over the needle body. The needle body has a sharp distal needle tip for piercing a blood vessel wall. An internal flow passage of the needle hub is in fluid communication with the hollow needle body. An elongated housing is connected to the needle hub and includes a lumen in fluid communication with the internal flow passage of the needle hub. An integrated guide assembly is slidably mounted to the housing and is operable to move between a retracted position and an extended position. A flashback chamber is operable to receive a continuous flow of blood before, during, and after movement of the guide assembly between its retracted and extended positions. A safety guard may provide protection from the sharp needle tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.