Multi-balloon dilation device for placing catheter tubes
US9339442B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2011 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Sep 26, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1013
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A stoma dilation device that includes a tubular support defining a continuous pathway through the device; at least one inflatable dilation balloon and at least one inflatable retention balloon located on the tubular support; and inflation lumens for each balloon. The inflatable dilation balloon forms at least a first portion of the device and the inflatable retention balloon forms at least a second portion of the device. The inflatable retention balloon is configured to have a diameter upon full, unrestrained inflation that is greater than the largest diameter of the inflatable dilation balloon upon inflation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.