Drainage device
US4955874A · kind A · utility
43Cited by
7References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1988 |
| Grant date | Sep 11, 1990 |
| Priority date | — |
| Expiry date | Sep 27, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3109
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drainage device, particularly adapted for use in medical procedures for draining fluids from a body cavity of a patient, incorporating a suction control chamber dimensioned and configured to provide an enhanced air and liquid flow pattern within the chamber. The suction control chamber might also include a baffle plate for air and noise control. The drainage device might further include a seal chamber and an improved high negativity relief valve. The present invention also includes a device, having an integral sampling or injection port, for coupling tubing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.