Catheter with lumen occluding means
US6074374A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 31, 1998 |
| Grant date | Jun 13, 2000 |
| Priority date | — |
| Expiry date | Jul 31, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0075
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter for use with the vascular system includes an elongated catheter body which has a side wall defining an interior catheter lumen. A plurality of openings are provided in the side wall at a first distal zone of the catheter body. The openings are adapted for relatively low pressure movement of fluid therethrough. A plurality of normally closed pressure responsive exits are located in a side wall at a second distal zone of the catheter body, the second distal zone being spaced from and positioned proximal of the first distal zone. The pressure responsive exits permit fluid material to exit from the catheter lumen in response to internal fluid pressure which is greater than a predetermined magnitude. An intermediate zone is located between the first and second distal zones. A removable occluding member is adapted to be positioned within the catheter lumen. The occluding member has a sealing element with a collapsed insertion state and an expanded sealing state. When the sealing element is in the sealing state and positioned in the intermediate zone, it can be expanded to contact the inside surface of the side walls of the lumen in order to seal off fluid communications betwee…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.