Implantable Sensors - Transit Time Blood Flow
Application Information
In the early 1990s, Konigsberg Instruments teamed with Triton Technology, Inc.to create hardware capable of monitoring continuous blood flow in chronically implanted, conscious and fully ambulatory research subjects.
These sensors are the preferred way to measure Blood Flow free of catheter whip, motion artifact, and especially the effects of anesthesia or confinement on the research subject. These instruments offer the highest quality dynamic data obtainable from any chronically implantable measuring device. Their use virtually eliminates the deleterious effects of pain and stress on the experimental results.
Application Information - Fully Implantable Transit Time Blood Flow
The TU7 flow meter when used with a T27H encoder will measure blood flow in vessels that range in diameter from 2.7 mm to 29 mm, with peak flow rates that range from 100s of milliliters/min to 30 liters/min. To accomplish this, four implant modules are used: the T27H encoder is made up of an electronics module and separate battery pack, and the TU7 transit time flow meter is made of a second electronics module with its own battery pack.
The T27 contains signal conditioners encode and transmit Aortic Pressure (AOP), Left Ventricle Pressure (LVP), Respiration (ITP), ECG and Core Temperature. The T27 also transmits the blood flow channel, using information that it receives from the TU7 Flowmeter module. The TU7 Flowmeter module uses transit time techniques to measure a wide range of blood flow rates ranging from renal flow to cardiac output.
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Transit Time Blood Flow Sensors specifications continue on the following page.
Implantable Sensors - Transit Time Bloood Flow
Product Specifications
Available Lumen Sizes:
- X-Cuff (in mmØ):
- 7.0, 8.0, 9.0, 11, 13, 14, 15, 17, 19, 21, 23, 26, and 29
- V-Cuff (in mmØ):
- 2.0, 2.4, 2.8, 3.2, 3.6, 4.0, 4.5, 5.0, 5.5, 6.5
Operating Ranges:
- Operating Temperature:
- 32 °C to 42 °C
Absolute Maximum Ratings:
- Ambient Temperature:
- 0 °C to 55 °C
Recommended Sterilization Method:
- Ethylene Oxide Gas:
- Low Temperature / Low Pressure Cycle ONLY!
- Process Pressure:
- 0 mmHg to +600 mmHg (3 day outgas at ambient pressure)
- Process Temperature:
- 20 °C to maximum of 55 °C
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