Medical cock
US7232428B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1999 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Nov 29, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M39/223
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A sealable access stopcock includes a valve body having a switching part formed in a valve shaft thereof for switching from one flow passage to another; and a main body having an internal chamber in which the valve shaft of the valve body is rotatably fitted, and a plurality of tributary tubes each having a lumen extending therethrough, the lumen opening on a side wall of the internal chamber; the valve body being rotated to selectively bring the lumens into communication with one another through the switching part and thereby switch flow of an infusion fluid from one flow passage to another. A switching channel is provided in the form of an arcuate groove in the switching part of the valve shaft to extend along the circumferential surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.