Electrosurgical pencil with improved controls
US7156842B2 · kind B2 · utility
340Cited by
312References
71Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2004 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Oct 20, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/00946
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electrosurgical pencil is provided which includes an elongated housing, an electrocautery blade supported within the housing and extending distally from the housing. The electrocautery blade is connected to a source of electrosurgical energy. The pencil also includes at least one activation switch supported on the housing which is configured and adapted to complete a control loop extending from the source of electrosurgical energy. At least one voltage divider network is also supported on the housing and is electrically connected to the source of electrosurgical energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.