Surgical instrument for performing epidural anesthesia
US5611778A · kind A · utility
114Cited by
12References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 10, 1994 |
| Grant date | Mar 18, 1997 |
| Priority date | — |
| Expiry date | Nov 10, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0008
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Surgical instrument for epidural anesthesia comprising a needle and catheter associated therewith which slides in the needle. The catheter has a set of main axial reference marks coinciding with an index on the needle. A reading will indicate the length of the catheter extending from the distal end of the needle. The catheter also includes a set of auxiliary reference marks distinguishable from the main reference marks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.