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®
The SMSI® system
is different in that it places the sensor (pictured
above, right, sitting on a finger) inside the body,
in continuous contact with the environment to be measured.
It is powered by an external reader (pictured above,
left) which receives information and provides it to
the patient through a harmless, noninvasive, electromagnetic
transmission. By eliminating sampling, the SMSI system
overcomes both the pain and reliability issues associated
with existing approaches. SMSI will conduct studies
expected to demonstrate that its glucose monitoring
system will be superior to competing technologies.
The key distinguishing features
of SMSI's glucose monitor, which will be evaluated in
pre-clincal and clinical studies, include:
- Minimally invasive. SMSI's
glucose sensor implant will be placed under the skin
using a large-bore needle called a trocar. There,
it will reside inside the body for up to one year,
depending on the product lifetime as demonstrated
in clinical studies. Using telemetry, the implant
will communicate its glucose measurements to an external
reader, without the need to draw blood.
- Continuous, effortless monitoring.
As long as the patient wears the external reader,
the SMSI system is intended to automatically record
a glucose level measurement every few minutes. Further,
it will be designed to alert the user to both hypergylcemia
and hypoglycemia.
- Accurate. Because no sampling
is involved, SMSI's glucose monitor is designed to
reduce the risk of user error substantially.
- May enable improved care.
Clinical studies will evaluate whether use of the
device allows improved treatment regimens by giving
patients and healthcare providers a wealth of new
data. This may require supplemental regulatory approvals.
Patients and health care providers can receive tailored
summaries of the data they need to make decisions.
- Non-consuming.
The SMSI glucose sensor does not need to consume or
produce chemicals while operating. The sensor's interaction
with glucose is fully reversible, and the device operates
in equilibrium with ambient fluids.
- Excellent Specificity.
SMSI's sensor responds strongly to glucose, and in
testing so far, is not significantly affected by other
chemicals at concentrations typically present in interstitial
fluid.
SMSI's unique approach to glucose
monitoring is designed to avoid many of the problems
of competing technologies, and is designed to provide
an unmatched combination of convenience and reliability.
Copyright © 2008 Sensors for Medicine and Science, Inc.®
All rights reserved. Date of last update: 4/8/08.
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