Title:
IMPLANTABLE BIOSENSOR SYSTEM, APPARATUS AND METHOD
Document Type and Number:
WIPO Patent Application WO2004088275
Kind Code:
A3
Abstract:
An implantable biosensor assembly and system includes an enzymatic sensor probe from which subcutaneous and interstitial glucose levels may be inferred. The assembly may be associated by direct percutaneous convection with electronics, such as for signal amplification, sensor polarization, and data download, manipulation, display, and storage. The biosensor comprises a miniature probe characterized by lateral flexibility and tensile strength and has large electrode surface area for increased sensitivity. Irritation of tissues surrounding the probe is minimized due to ease of flexibility and small cross section of the sensor. Foreign body reaction is diminished due to a microscopically rough porous probe surface.
Inventors:
HITCHCOCK ROBERT W (US)
SORENSON JAMES L (US)
SORENSON JAMES L (US)
Application Number:
PCT/US2004/009064
Publication Date:
June 16, 2005
Filing Date:
March 25, 2004
Export Citation:
Assignee:
SORENSON MEDICAL INC (US)
HITCHCOCK ROBERT W (US)
SORENSON JAMES L (US)
HITCHCOCK ROBERT W (US)
SORENSON JAMES L (US)
International Classes:
A61B5/00; A61B5/05; G01N27/26; G01N; (IPC1-7): A61B5/00
Foreign References:
| US4703756A | 1987-11-03 | |||
| US6360888B1 | 2002-03-26 | |||
| US5165407A | 1992-11-24 | |||
| US6613379B2 | 2003-09-02 | |||
| US5527444A | 1996-06-18 | |||
| US4561963A | 1985-12-31 | |||
| US4861454A | 1989-08-29 |
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