Fully automated iris seal for hand assisted laparoscopic surgical procedures
US7819800B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2006 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Oct 23, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00398
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A laparoscopic device assembly provides a tubular diaphragm twist seal that responds to a slight rotation of an actuating ring in a first direction by coupling a motor spring power assisted rotation of a bottom circumference of the twist seal achieves a pneumatic seal in an adjustable access channel defined by the state of the twist seal for maintaining an insufflated body cavity for a hand assisted laparoscopic surgical procedure. A slight rotation of the actuating ring in an opposite second direction releases compression spring energy and energy in the twisted state of the twist seal so that an upper circumference of the twist seal is allowed to open the adjustable access channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.