Fluid jet surgical instruments
US6375635B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1999 |
| Grant date | Apr 23, 2002 |
| Priority date | — |
| Expiry date | May 18, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/32032
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention provides a variety of surgical instruments for forming a liquid jet, which are useful for performing a wide variety of surgical procedures. In some embodiments, the invention provides surgical liquid jet instruments having a pressure lumen and an evacuation lumen, where the pressure lumen includes at least one nozzle for forming a liquid jet and where the evacuation lumen includes a jet-receiving opening for receiving the liquid jet when the instrument is in operation. In some embodiments, the pressure lumen and the evacuation lumen of the surgical liquid jet instruments are constructed and positionable relative to each other so that the liquid comprising the liquid jet, and any tissue or material entrained by the liquid jet can be evacuated through the evacuation lumen without the need for an external source of suction. The invention also provides a variety of surgical liquid jet instruments that are constructed and configured specifically for use in a surrounding liquid environment or a surrounding gaseous environment. The invention also provides a variety of surgical liquid jet instruments that are rotatably deployable from an undeployed position, for insertion int…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.