Pen type device for ultrasound guided fine needle aspiration cytology and biopsy
US8562544B2 · kind B2 · utility
3Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 2012 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Jan 27, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3925
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pen type device for ultrasound guided fine needle aspiration cytology and biopsy comprises a hollow body having a needle hole, a sliding part slidably mounted inside the body, elastic members mounted inside the body, a syringe having a cylinder mounted, a rotating part disposed inside the sliding part and the body, a head screw-coupled to the rear end of the sliding part and drawn out from the body, and a negative pressure generating part mounted on the body to generate negative pressure to the syringe by pulling a piston of the syringe when a button located on the outer face of the body is pushed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.