Reflective microspheres for ultrasonic imaging
US6153172A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 20, 1997 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Aug 20, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2123/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a method of contrast enhanced ultrasonic diagnostic imaging comprising administering to a subject a contrast enhancing amount of spheres or particles comprising a matrix enclosing a contrast agent which reflects sound waves, and generating an ultrasonic image of said subject wherein the matrix comprises a polymer held together by chemical bonds and wherein the polymer is selected from the group consisting of acrylates, polystyrene and derivatives thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.