Syringe system
US6969373B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2001 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Jun 24, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0091
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical device is provided having a needle or a catheter, insertable into a living body, which defines a plurality of holes in fluid communication with a central lumen. The holes may be of various patterns located and angled to create a desired injectate cloud pattern when an injectate is forced through the central lumen and through the plurality of holes. One embodiment provides various designs including a moveable sheath or stylet used to selectively occlude one or more of the holes while in use, thereby providing an operating physician a way to manipulate the cloud pattern anytime during the introduction of the injectate. A reducer may be used in conjunction with these needles which provides an increased degree of control when injecting very small quantities of fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.