Plungerless syringe
US5509906A · kind A · utility
24Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 2, 1995 |
| Grant date | Apr 23, 1996 |
| Priority date | — |
| Expiry date | May 2, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/312
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A plungerless syringe which comprises a collapsible body having a sealed dispensing tip at one end and an actuating tab at the other end. The collapsible body is characterized by a plurality of rings concentrically arrayed on the surface of the body wall. When the actuating tab is depressed the body commences to collapse and a first ring is received within and frictionally engages a second succeeding ring and remains secured thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.