Dialysis catheter
US7077829B2 · kind B2 · utility
91Cited by
157References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2002 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | May 3, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0078
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dialysis catheter comprising a first portion having a first diameter, an elongated distal portion having a second diameter smaller than the first diameter, and a transition region between the first portion and distal portion. A first longitudinally extending central lumen configured to deliver blood terminates in an opening in the distal portion. At least two independent longitudinally extending lumens are positioned radially of the first lumen, configured to withdraw blood from a patient, and terminate in a longitudinally directed opening in the transition portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.