Anti-infective central venous catheter with diffusion barrier layer
US7201745B2 · kind B2 · utility
11Cited by
9References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 2003 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | May 13, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0017
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter extending from a distal end which, when in an operative position is inserted within a body of a patient, to a proximal end, the catheter comprising a charge holding cavity to which a therapeutic compound is to be supplied and a wall including inner and outer portions, an inner surface of the inner portion surrounding the charge holding cavity with an outer portion surrounding at least a portion of an outer surface of the inner portion, wherein the inner portion is formed so that a first diffusion rate of the therapeutic compound therethrough is different from a second diffusion rate through the outer portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.