Textured needle for improved piercing performance in liquid chromatography applications
US10859541B2 · kind B2 · utility
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1References
19Claims
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Key dates
| Filing date | Mar 5, 2019 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Mar 5, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A needle for aspirating a sample from a sample source and injecting the sample into a liquid chromatography system, the needle including a needle body having a rough textured surface finish for at least a portion of the needle body, wherein the rough textured surface finish reduces a coefficient of friction of the needle body, is provided. Furthermore, an associated method is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.