Amniocentesis needle
US4308875A · kind A · utility
61Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1981 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Mar 11, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/4208
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Discloses an amniocentesis needle for use in performing amniocentesis to obtain a amniotic fluid and fetal debris from a pregnant woman's uterus for diagnostic purposes. The amniocentesis needle comprises a hollow needle and a stylet. The hollow needle has a lumen removably and complementally receiving the stylet in close-fitting relationship. The hollow needle has a non-cutting tip and a distal portion which has side holes communicating with the lumen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.