Disposable negative-pressure anterior chamber paracentesis syringe
US10660618B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 8, 2015 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Apr 9, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0612
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention discloses a disposable negative-pressure anterior chamber Paracentesis syringe which belongs to the technical field of medical supplies. It comprises nine parts, including a needle cap, a Paracentesis syringe, a needle base, an internal needle, a protective cover of the internal needle, an airlock, a needle tube, a collection tube and a collection tube rack. The invention has the advantages that it fixes the Paracentesis syringe during puncture and limits the depth of the needle insertion, releases the aqueous humor slowly to prevent a sudden drop of the intraocular pressure, reduces the risk of the intraocular infection by separating the anterior chamber from outside and the collection tube can collect and store the aqueous humor directly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.