Dual needle syringe for preventing infection
US11369753B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jun 11, 2018 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Oct 10, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/7545
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dual-needle syringe capable of preventing infection, including: an infusion needle shaft (3) configured to aspirate a liquid from a drug container (30); an injection needle shaft (5) having a sharp point of one end inserted into a body, and the other end connected to the syringe (10), through which the liquid filled in the syringe (10) is injected into a body; a hub barrel (7) engaged to a barrel (15) of the syringe (10) to infuse the liquid, which is aspirated from the drug container (30) through the infusion needle shaft (3), into the syringe (10) through the injection needle shaft (5), the hub barrel having an infusion needle shaft hub (21) and an injection needle shaft hub (23) which can be separated from each other before the liquid is injected; and a filter (9) configured to filter foreign substances contained in the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.