| Companies |
Guardian REAL-Time
Continuous Glucose Monitoring System |
Dexcom SEVEN |
MiniMed Paradigm® REAL-Time System |
Abbott FreeStyle Navigator® |
| Availability |
FDA approved in June 2006 (monitor) and February 2007 (MiniLink Transmitter) and available for purchase |
FDA approved in March, 2006 and available for purchase |
FDA approved in March of 2006 and available by prescription for purchase in the U.S. |
FDA approved in March of 2008 and available by prescription for purchase in the U.S. in the 2nd Quarter |
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| Price |
$1339 for monitor, transmitter, charger, and 4 sensors
$35 per sensor |
$800 for receiver, case, charger, transmitter
$60 per 7 day sensors |
$999 in addition to initial pump cost, $35 per 3 day sensor |
|
| Weight |
2.8 oz |
2.9 oz |
4 oz |
|
| Screen Size |
approx 1.8" x 0.75" |
1.875" x 1.5" |
522/722 screen |
|
Monitor Size
(L x W) |
3" x 2" |
3" x 2.5" |
No Monitor, displays on pump |
3" x 2.5" |
Transmitter/
Sensor Size
(LxWxH) |
1.64" x 1.4" x 0.37" |
1" x 0.75" |
2" x 1.5" / 0.75" diameter |
2" x 1" (combined) |
| Sensor Life |
3 days |
7 days |
3 days |
5 days |
Sensor
Canula size |
14 mm |
13 mm |
14 mm |
5 mm |
Angle of
Sensor Insertion |
45º |
45º |
45º |
90º |
| Insertion Device |
Sens-serter, manual insertion possible |
DexCom SEVEN Applicator |
Sens-serter, manual insertion possible |
Automatic, comes with sensor |
Start-Up
Initialization
Time |
2 hours |
2 hours |
2 hours |
10 hours |
| Calibration |
2 hours after insertion, within next 6 hours after first, then every 12 hours. Will alarm if calibration value not entered. |
every 12 hours with OneTouch Ultra
cannot be entered manually |
2 hours after insertion, within next 6 hours after first, then every 12 hours. Will alarm if calibration value not entered. |
Calibrate at 10, 12, 24 and 72 hours after insertion, no calibration for the final 2 days of the 5 day wear |
User set alarms
on low/high |
Yes, 8 different thresholds users can set for different times throughout day and night, different sounds for each alarms, loud backup alarm |
Yes, one high, two low (user set limit + 55mg/dl alarm) |
Yes, differents sounds for each alarm, loud back up alarm |
Yes |
Predictive alarms
for low/high |
Yes, can be set to warn 5-30 minutes before glucose limit has been reached |
0 |
10, 20, 30 minutes |
10, 20 or 30 minutes |
Alarms for rate
of change |
Yes, can be set to warn at rates of change from 1.1 mg/dL per minute to 5 mg/dL per minute |
0 |
|
|
Displays glucose
numbers |
Every 5 minutes |
Every 5 minutes |
Every 5 minutes |
Every 1-2 minutes |
Displays
Directional
Trends |
Yes, 3, 6, 12, and 24 hour graphs |
Yes, displays a 1, 3, or 9 hour glucose graph |
Yes, 3 and 24 hour graphs |
5 TRU™ Directional Glucose Arrows indicating rate and direction of change |
Displays Rate
of Change |
Yes |
no |
Yes |
|
Review
glucose data? |
Yes, last 24 hours |
Yes, last 1-9 hours |
Yes, last 24 hours |
Yes, last 24 hours |
| Capture events |
Yes, user can enter insulin, carbs, BGs, and exercise events |
No |
|
|
Alarms, vibrates,
or both |
Vibrate, escalating alarm, or both |
Alarm or Vibrate, vibrate for low first, then alarm |
Vibrate, escalating alarm, or both |
Alarm or vibrate |
Waterprooof
Transmitter |
Yes, hot water not suggested |
Yes, up to 3 ft for 30 min |
Yes, hot water not suggested |
Yes, up to 3 ft for 30 min |
Transmitter
Batteries |
Rechargeable, 14 days or more use per change, 1 year expected life, additional transmitter and charger $649 |
life uknown, non-replaceable, additional transmitter $250 |
9 months, additional transmitter $500 |
watch battery, replace monthly |
Monitor
Batteries |
1 AAA |
rechargable, every 5 days for 3 hours |
1 AAA |
2 AAA Alkaline Batteries |
| Range |
6 feet |
5 feet |
6 feet |
10 feet |
Snooze
Alarm |
Yes, High snooze can be set from 5 min to 3 hrs, Low snooze between 5 minutes and 1 hour |
No |
Yes, both high and low alarms settings differ |
Yes, 1 hour silence |
| BG Monitor |
Any |
Any |
Any |
Built in Freestyle Monitor |
Computer
Software |
Medtronic CareLink Personal |
DexCom DM Consumer Data Manager |
Medtronic CareLink Online |
Precision Link Diabetes Data Management Software |
Upgrade
program |
Yes, call 1-800-Minimed for info |
Yes, $150 upgrade price |
Medtronic Pathway Program |
|
| Warranty |
1 year on monitor, 6 months on transmitter |
12 months for receiver and transmitter |
6 months on transmitter, 4 years on pump |
|
Money-back
gaurantee |
30 day, not for sensors |
30 day, not for sensors |
30 day, not for sensors |
|
