Dart and dart retainer
US11307008B2 · kind B2 · utility
1Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 11, 2016 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Jun 30, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B15/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a dart (10) comprising a body, the body defining a chamber (24) having a plunger located therein to operatively deliver a substance through a hypodermic needle (32) extending through a front end of the body, and a retainer comprising a barb body locatable on the hypodermic needle (32) characterised in that the barb body is threaded. The invention further relates to a dart retainer, wherein the retainer comprises of a threaded barb body locatable on a hypodermic needle (32) of a dart (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.