FLOWMATTERS™ NEWSLETTERS
Get the latest information on a variety of applications, case reports, studies, and trials. Subscribe Here >>

 

 

Technical Notes


Transit-Time Ultrasound Technology

 

Principles
Description of the principles behind transit time ultrasound technology for measuring volume flow. (RL-30-2-tn)

Features
Unique features of transit time ultrasound technology and how it differs from other technologies. (RL-30b-tn)

 

Research Flowmeters

 

Comparison of Features and Options (RL-100-tn)

Flowmeter Frequency Response
An explanation of the frequency response and delay of Transonic Research Flowmeters. 2003 (RL-94-tn)

 

Cardiac Output Flowprobes

 

PAU, PAX + A Series

Use COnfidence® Flowprobes with Ultrafit liners (RL-140-tn)
Hints for successful continuous cardiac output measurement with specialized A(aortic)-Series flowprobes for larger animals. (RL-28a-tn)

A-Series Validation
Validation of A-Series Flowprobe for Cardiac Output Measurements in vessels (Aorta, PA) with turbulent flows. (RL-16.tn)


Cardiac Output Measurements: Considerations and Pitfalls (RL-145-tn)

Mitral Valve Regurgitation in Sheep (RL-106-tn)

 

Perivascular Flowprobes

 

PS , PR , S , R , V-Series

Choosing Mouse Flowprobes (Nanoprobes versus Small V-Series Probes) (RL-111-tn)

Specifications of V-Series Probes for Acute Measurements with the T106/T206 Flowmeter (RL-23-tn)

R&S-Series Flowprobes for Microvessels 5/99 (RL-24-tn)

Accuracy Keys
Keys to Accurate Flow Measurements with Transit Time Ultrasound Technology (RL-26-tn)

Nanoprobe Care (RL-I1009-tn)
How to care for nanoprobes to ensure maximum probe life.

Probe Cleaning and Sterilization Instructions. (RL-29-tn)

Probe Manipulation (RL-1-tn)
An early technical note on how to manipulate probes into small landscapes.

Acoustical Couplants (RL-9-tn)
Listing and description of acoutical couplants for acute measurements.

Silicone Wrap
Using silicone wrap around a flowprobe to enhance implantation during chronic application. (RL-2-tn)

Keys to Stabilizing Flowprobes
Probe stabilization considerations for both acute and chronic procedures.

Skin Button
Using a skin button to exteriorize a flowprbe during a chronic application. (RL-3-tn)

Custom Programming (RL-101-tn)
For Graft Materials & Other Conditions

Extension Cable Use (Rl-99-tn)
Effects on Probe Received Signal

400-Series Compatibility (RL-102-tn Rev E12-10)
T106/T206 Flowprobes

Signal Quality in Research Flowprobe Implants (RL-139-tn)
How to achieve optimal ultrasonic signal quality.

 

Calibration of Perivascular Flowprobes

 

Bench Calibration (RL-5-tn)
Protocol for the bench calibration of transit-time ultrasound perivascular flowprobes; updates 4/02

Calibration Reexamined (RL-11-tn)
An in-depth re-examination of the calibration of transit-time ultrasound flowprobes.

Annual Calibration Recommendation (RL-114-tn)

 

Tubing Sensors

 

PXN-Series Inline, PXL-, XL-Series Sterile Tubing

Inline Sensor Care (RL-31-tn)
Key to proper care and use of ME-PXN sensors and step-by-step directions for expansion of Pebax® tubing ends on small inlines.
Pebax® is a registered trademark of ARKEMA

PXL, PXN and XL- Calibation (RL-34-tn)
Syringe calibration procedure for PXN inline and XL & PXL sterile tubing flowsensors.

Flowsensor/Tubing Acoustics (RL-27-tn)
A technical note with keys to accurate flow measurements with Transonic sterile tubing flowsensors

 

Computer and Data Acquisition

 

400-Series A/D Interface (RL-95-tn)
Data Acquisition for 400-Series Flowmeters

Totalizing Delivered Volume Flow (Rl-135-tn)

PowerLab Data Acquisition System (RL-108-tn)

 

 

Pressure Measurements in Mice

 

Mouse Arterial Catheter Construction (RL-82-tn)

Acute Pressure Measurement: Cannulation of the Mouse Carotid Artery (RL-79-tn)

 

Concious Flow Measurements in the Rat

 

Tethers/Swivels (RL-92-tn)
Three protocols for using tethers and swivels to achieve conscious flow measurements in the rat.

 

Surgical Guidelines for Rats and Mice

 

Aseptic Guidelines (RL-68-tn)

Anesthetic Guidelines (RL-67-tn)

Post-Surgical Care (RL-69-tn)

 

Other Information

 

Special Equipment needs for mice (RL-93a-tn)

Arterial Circulatory Systems (RL-105-tn)
Rabbit, Pig, Cat, Bird, Rat, Dog, Baboon, and Human

Glossary of Flowmetry Terms (RL-175-tn)