Zero dead leg valve
US11703132B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 17, 2020 |
| Grant date | Jul 18, 2023 |
| Priority date | — |
| Expiry date | Jun 17, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/85986
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A valve having a body having a first section and a second section; an extended flange attached to the second section of the body or disposed as an integral part of the second section of the body; an elongate bore extending through the body and having a proximal end and a distal end; a longitudinally displaceable plunger disposed in and extending along the bore, the plunger having a proximal end and a distal end and having a first position displaced toward the distal end of the bore and a second position displaced toward the proximal end of the bore; a diaphragm seal attached to the proximal end of the plunger and sealing the bore at the proximal end thereof; a gland seal sealing the bore at a location intermediate the diaphragm seal and the distal end of the bore; the plunger extending through and being sealingly secured to the gland seal; a fluid transfer opening in the bore between the diaphragm seal and the gland seal; longitudinal displacement of the plunger moving the diaphragm seal to open the bore, the gland seal stretching to accommodate the displacement of and maintain a seal about the plunger, a fluid flow path being established between the open proximal end of the bore a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.