Single-hand controlled aspiration device
US4664128A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 21, 1985 |
| Grant date | May 12, 1987 |
| Priority date | — |
| Expiry date | Oct 21, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable, single-hand controlled aspirating device for medical aspirating activities such as subcutaneous biopsy of fluid, soft tissue and bone marrow is provided. The aspirating device includes a syringe barrel, a plunger operative in the barrel, a finger grip member surrounding the exterior wall of the barrel that includes a collar portion engaging the exterior wall of the barrel and flange portions extending outwardly from the exterior wall of the barrel a distance sufficient to provide support for a user's fingers during aspiration procedures, and a spring surrounding the plunger portion external to the barrel for biasing the plunger outwardly from the barrel after the plunger has been advanced in the barrel toward the distal end thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.