Catheter assembly for intracranial treatment using dual lumens
US7322954B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 2005 |
| Grant date | Jan 29, 2008 |
| Priority date | — |
| Expiry date | Oct 28, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0693
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter assembly is provided for intracranial treatment having outer and inner catheters. The outer catheter has a first lumen communicating between a first opening and at least one aperture and a second lumen in communication with a second opening. The first and second openings are distal to the proximal portion of the outer catheter. The inner catheter, preferably a micro-dialysis catheter, is sized to be received within the first lumen and includes at least one passageway in communication with at least one port for transfer of a fluid with a tissue region in the brain of the patient. The assembly preferably also includes a stylet sized to be received within the second lumen to provide rigidity to the outer catheter for its precise positioning within the brain. The outer catheter can include an element that is preferably a contact for monitoring brain activity. A method of transferring a fluid with a brain tissue region is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.