Anti-infective central venous catheter with diffusion barrier layer
US7896852B2 · kind B2 · utility
1Cited by
22References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2005 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Aug 5, 2029 |
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.