Page 3 - moorVMS-LDF_Brochure

moorVMS - Vascular Monitoring System MemoryChip Probes

The moorVMS-LDF laser Doppler blood The laser Doppler technique Just plug in and monitor - calibration constants are stored Applications
flow monitor is a high performance, medical within the robust, medical grade probe connector and
are read by the monitor as soon as they are connected.
grade module for clinic or laboratory. Laser Doppler has become a gold standard for dynamic Skin probes combine laser Doppler and temperature The flexibility of the laser Doppler technique and the range
Use of DSP technology brings you a microvascular blood flow assessments. Optic probes measurement all within the same probe head for of probes has lead to many thousands of publications
are used to monitor blood flow in capillaries, venules and covering almost all tissue types, research areas and
portable, lightweight module featuring arterioles; vessels responsible for nutrition of the skin and convenience. medical disciplines. This means that we can usually
uncompromised specifications and reliability thermoregulation. The sampling depth depends on probe The moorVMS-LDF will even remind you when you need draw on published work and our own experience to
at a breakthrough price. The features design and tissue characteristics but is typically around to re-calibrate or if a service is due. Bio-compatible advise on a suitable system configuration and protocol
1mm. with confidence. Applications are often non-invasive and
include; materials that can be sterilised are used throughout to may involve tests of microvascular function stimulated
Optical fibre transmits Optical fibre transmits ensure safety for surgically invasive applications.
laser light to the tissue reflected/scattered by changes in posture, vasoactive drug delivery by
• Single and dual channel options. laser light to a iontophoresis, heating and pressure; tracking changes
photo detector
• Multi-channel: combine modules for a multi- in flow with time or comparing flows from different
channel system with software support for your ideal measurement sites.
configuration. Stacking case design offers a compact
footprint for multi-channel users. Routine clinical uses are increasing and take advantage
• ‘MemoryChip’ probes: for a wide range of of the wide dynamic range to capture the cardiac cycle,
applications. Calibration constants are stored within vasomotion effects or trends over hours, days or weeks.
the probe itself with timed re-calibration reminders. capillaries
• Easy viewing: high contrast, ice white, backlit Assessments include;
1mm
LCD display. • Post operative flap monitoring
• Advanced Windows PC software: with extensive arterioles • Prediction of amputation levels
TM
& venules
analytical features and automatic report generation. • Tooth pulp vitality testing
• Easily connectable: analogue output (0-5V, BNC) Skin probes are available with twin or multi fibre • Endothelial function/dysfunction
and digital (USB) real time data transfer included as configurations. Multi fibre designs usually employ a ring • Toe pressure assessment
standard for connection to data acquisition systems. of collecting fibres around a central delivery fibre to • Pulse volume recording
• Medical grade design: for both clinical and Low power laser light is transmitted via an optic fibre to provide an averaged signal from a larger volume than the • Skin perfusion pressure
research applications. the tissue. The light is scattered by tissue and moving conventional twin fibre design. Both include temperature • Cerebral perfusion following injury
• Multilingual training DVD: for continual reference. blood cells and its frequency is Doppler broadened. measurement as standard. • Post-occlusive reactive hyperaemia (see below)
• Reliable assured: industry leading 5 year
manufacturers warranty. Some of the scattered light is collected by one or more Endoscopic probes enable investigations of internal Please contact us for no-obligation advice about your
optic fibres and transmitted to a photo detector. tissues such as colon, stomach, bronchus and urethra. application and requirements.
The resulting photo current is electronically processed Needle probes can be used for surface measurements
to produce the laser Doppler flux (blood flow) signal. The where access is impaired (e.g. nasal, oral), inserted into
average Doppler frequency shift is directly proportional to tissue bulk (e.g. muscle, cerebral, adipose) or used for
the average speed of the blood cells.
direct single vessel measurements.
Changes in blood flow can be stimulated by a number Disposable probes are available for many experimental
of provocations including occlusion with a pressure cuff, and clinical applications including post-operative flap
heating, the iontophoresis of vasoactive drugs, changes in monitoring (e.g. buried and oral flaps) and measurement
the position of limbs etc.
of cerebral perfusion. Disposable single fibre implantable
probes are also available.

Low profile designs are either used when access is
moorVMS-LDF – single and dual channel modules with MemoryChip probes.
difficult (e.g. oral flaps) or to reduce application pressure moorVMS-PC screen shot – please refer to the moorVMS-PC software
brochure for further details.
when the probe is covered by bandages.