Apparatus for locating body cavities having signaling indicator
US4944724A · kind A · utility
74Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1989 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | Feb 13, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/84
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for locating a body cavity having a fluctuating fluid pressure by signaling the fluctuating pressure when the cavity is entered and then transporting fluid either into or out of the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.