Method and apparatus for placing a cannula in a bladder
US9271752B2 · kind B2 · utility
0Cited by
95References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2013 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Jan 22, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3486
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cannula is placed in an enlarged opening through a bladder wall and an abdominal wall by applying pulling tension to a placement guide extending through a small pathway to hold an inflated placement balloon in sealing contact with the bladder wall. The seal confines distension fluid in the bladder to establish sufficient reactive resistance to enlarge the opening through the bladder wall with blunt force dilation from an obturator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.