Piston for a needleless valve system
US8801678B2 · kind B2 · utility
72Cited by
12References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2012 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Jan 20, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0318
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A piston for a needleless valve system comprising a head portion configured to be disposed in the needleless valve system and controlling fluid flow through the needleless valve system. The head portion comprising a continuous top surface, and an opening disposed proximate the continuous top surface, wherein the continuous top surface is non-planar when the opening is in an open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.