Bi-Polar electrocautery needle
US4483338A · kind A · utility
169Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1981 |
| Grant date | Nov 20, 1984 |
| Priority date | — |
| Expiry date | Jun 12, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/0079
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bi-polar electrocautery needle comprising an inner electrode, an outer electrode and recoverable insulating-locking member for insulating the electrodes from one another and locking them into relative position to one another. And the method of making the bi-polar electrocautery needle in accordance with this invention, the steps including: expanding recoverable dielectric material over an inner electrode; inserting the combination into an outer electrode, and recovering the material between the electrodes for insulating and locking the electrodes into relative position with one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.