Intelligent tissue mimicking ultrasonic phantom and method of preparing the same
US9330578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2015 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Apr 13, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N7/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intelligent tissue mimicking ultrasonic phantom, which is a temperature-sensitive polymer gel having the following characteristics: acoustic velocity: 1500-1550 m/s; acoustic impedance: (1.50-1.60)×106 Pa·s/m; density: 1.01-1.06 g/cm3; and a denaturation temperature around which there is a reversible phase transformation between the opaque phase and the transparent phase. Said gel can be a polymer of isopropylacrylamide (NIPA). Said ultrasonic phantom has a transparent appearance, and an adjustable thermal denaturation temperature; the thermal denaturation region of the ultrasonic phantom is distinct and has a well-defined boundary; the material of the phantom is stable and deterioration-resistant, and can ensure the consistency of the quality; the phantom is thermal denaturable with the appearance thereof turning white, while the phantom recovers when the heat is removed, such that it can be used repeatedly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.