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Laser Doppler Needle Probes

Overview

Laser Doppler needle probes are designed for use with the Blood FlowMeter. They connect directly and are available in variety of types to suit different applications including measuring microvascular:

  • invasive blood flow from tissue surfaces
  • non-invasive blood flow from tissue surfaces
  • cerebral microvascular blood flow in middle artery cerebral occlusion (MCAO) and stroke applications
  • blood flow within muscle, tumours, internal organs and brain tissues
  • blood flow measurements in specialist applications such as gingiva and nasal mucosa

Depending on the probe type, the probe may be positioned using an external clamp (purchased externally). Miniature holders are also available, specifically to secure the Short Needle Probe type probe directly to an exposed animal skull using rapid-setting adhesive (purchased externally).

Probes shipped with the Blood FlowMeter are calibrated in the factory and do not require further calibration. For probes that are purchased separately, a Calibration Kit is required (purchase separately). Please note that the calibration solution in the Calibration Kit has a use by date.

Product Configurations

Standard Needle Probe

Product Code
MNP100XP
A standard, robust needle probe for invasive or non-invasive blood flow measurements in relatively inaccessible areas with limited clearance and soft tissue. Attached to 3 m total cable length, the probe has a 16 mm long and 5 mm diameter collar, which is fitted with a 30 mm long, 1 mm diameter medical grade stainless steel needle.
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Short Needle Probe

Product Code
MNP100XP-3/10
A needle ideal for cerebral microvascular blood flow measurements in MCAO and stroke research. Dedicated miniature holders for securing the probe are available separately. Attached to 3 m total cable length, the probe has a 16 mm long and 5 mm diameter collar, which is fitted with a 10 mm long, 1 mm diameter medical grade stainless steel needle.
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Fine Needle Probe

Product Code
MNP110XP
This micro-needle probe has been developed for minimal tissue trauma during invasive insertion and is frequently used for measuring microvascular blood flow within muscle, tumours, internal organs and brain tissues. Attached to 3 m total cable length, the probe has a 16 mm long and 5 mm diameter collar, which is fitted with a 30 mm long, 0.5 mm diameter medical grade stainless steel needle.
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Bent Tip needle Probe

Product Code
MNP150XP
An angled probe tip that facilitates blood flow measurements in specialist applications such as gingiva and nasal mucosa. Attached to 3 m total cable length, the probe has a 16 mm long and 5 mm diameter collar, which is fitted with a 30 mm long (bent at 25 mm), 1 mm diameter medical grade stainless steel needle.
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Related

Research Applications

Laser Doppler Flowmetry
Human Tissue and Circulation

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Details and Tech Specs

Product Codes

MNP100XP
Standard Needle Probe
MNP100XP-3/10
Short Needle Probe
MNP110XP
Fine Needle Probe
MNP150XP
Bent Tip needle Probe
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