IP Library › Patent Application 11406874
Patent Application
App. No. 11/406,874

Polysaccharides as ultrasound transmission media

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Quick Facts
Patent No.
US None
App. No.
11/406,874
Abstract

Ultrasound couplants comprising polysaccharides, particularly sodium alginate and chitosan, and compatible substances for ultrasound imaging in applications that require either sterile or non-sterile forms of ultrasound transmission gels or liquids.

Claims (4)

1 . An ultrasound couplant in the form of a thickened liquid or gel, said ultrasound couplant comprising 1-10 wt. % of one or more polysaccharides and the balance water.

2 . The ultrasound couplant of claim 1 wherein said one or more polysaccharides include endotoxins in an amount sufficiently small whereby said ultrasound couplant is in vivo biocompatible.

3 . The ultrasound couplant of claim 1 wherein said one or more polysaccharides comprises sodium alginate.

4 . The ultrasound couplant of claim 1 wherein said one or more polysaccharides comprises chitosan.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE CORRESPONDENT NAME/CUSTOMER NUMBER PREVIOUSLY RECORDED ON REEL 021709 FRAME 0794. ASSIGNOR(S) HEREBY CONFIRMS THE CORRESPONDENT NAME IS BLAKELY SOKOLOFF TAYLOR & ZAFMAN LLP AND CUSTOMER NO. IS 08791.. Recorded Jan 9, 2009
From: SONOTECH, INC.
To: ILLINOIS TOOL WORKS INC.
Reel/Frame 022085/0636 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 21, 2008
From: SONOTECH, INC.
To: ILLINOIS TOOL WORKS INC.
Reel/Frame 021709/0794 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 29, 2006
From: SMITH, LARRY L.
To: SONOTECH, INC
Reel/Frame 018032/0742 →