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Pressure Catheters

Millar Mikro-Tip® solid state catheters with pressure sensor(s) provide high-fidelity cardiovascular pressures (the heart and vascular system) at the source in small animals. These catheters are ideal for intrauterine, intracranial and arterial blood pressure monitoring, amongst other research applications. 

Overview

Millar Mikro-Tip® solid state pressure catheters provide an ideal solution for measuring highly accurate pressures. Whether measuring arterial and ventricular blood pressures, spinal pressures, tumor pressures or airway pressures, a high-fidelity sensor from Millar is a necessity for your research. 

  • Single and multiple high-fidelity pressure sensors side mounted at the catheter tip
  • Mice, rats and larger animal models such as pigs and sheep
  • Sizes from 1 F to 5 F
  • Straight and curved tips without pigtail

Catheters require Catheter Interface Cables for connection to any ADInstruments bridge amplifier. Record and analyze blood pressure data quickly and easily using the Blood Pressure Module that is included with LabChart Pro software. A Pressure Gauge kit that provides the necessary items to calibrate the Mikro-Tip® pressure transducer is available. Additionally, the purchase of an ESD Adjustable Wrist Strap w/ 10’ Coil Cord (Blue, 4mm Snap) is highly recommended to protect these catheters from electrostatic discharge (ESD) damage during handling.

Cost-effective Millar Mikro-Tip solid state catheters can be reused for multiple experiments. Our best selling catheters include SPR-320 for rats, SPR-671 for mice and the smallest sensor tip pressure catheter in the world, the SPR-1000, also for mice. 

Non-repairable discount options are available for Pressure Catheters (SPR-407, SPR-320 and SPR-671 only). Contact us to find out more and if this is the right option for you. More information on Millar repair policies.

Millar Mikro-Tip Catheters require a certain level of care to ensure accuracy and the anticipated lifespan of your catheters. Tergazyme (Alconox, Inc.) is required for cleaning and ensuring the removal of proteinaceous soils, tissue, blood and body fluids from the catheter. Please refer to Alconox, Inc.’s website to purchase from your local supplier. For a few best practice tips to help get you started with your catheters, see our guide here.

Millar have recently simplified their range so that all pressure catheters now work with the Low Profile pressure connector cable, rather than the Viking cable.

Choose from single or dual pressure catheters for large animal models.

Product Configurations

Pressure Catheter (1F, Single, Straight, 41cm, PI, NR)

Product Code
SPR-1000

1 F, single pressure sensor mounted at the tip, effective length 20 cm. Straight, flexible body for the measurement of pressure in mice.

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$4,596.00
Ships from overseas Estimated delivery 3 months

Pressure Catheter (1.4F, Single, Straight, 35 cm, Ny)

Product Code
SPR-671

1.4 F, single pressure sensor mounted at the tip, effective length 15 cm. Straight, flexible body for the measurement of pressure in mice (≥ 25 g).

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$4,176.00
Ships from overseas Estimated delivery 3 months

Pressure Catheter (2F, Single, Straight, 140 cm, Ny)

Product Code
SPR-407

2 F, single pressure sensor mounted at the tip, effective length 140 cm. Straight, flexible body for the measurement of pressure in rats.

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$3,643.00
Ships from United States Estimated delivery 2-5 business days

Pressure Catheter (2F, Single, Straight, 140cm, PU)

Product Code
SPR-320

2 F, single pressure sensor mounted at the tip, effective length 140 cm. Straight, flexible body for the measurement of pressure in rats.

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$3,790.00
Ships from overseas Estimated delivery 1 month

Pressure Catheter (2F, Single, Curved, 140cm, Ny)

Product Code
SPR-513

2 F, single pressure sensor mounted at the tip, effective length 140 cm. The curved tip can aid placement for the measurement of pressure in the right ventricle of rats.

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$3,872.00
Ships from overseas Estimated delivery 1 month

Pressure Catheter (3.5F, Single, Straight, 100cm, Ny, NR)

Product Code
SPR-524

3.5 F, single pressure sensor mounted at the tip, effective length 100 cm. Straight, flexible body for the measurement of pressure in rabbits and other small animals.

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$1,310.00
Ships from United States Estimated delivery 2-5 business days

Pressure Catheter (5F, Single, Curved, 120cm, PU/WD)

Product Code
SPR-350

5 F, single pressure sensor mounted at the tip, effective length 120 cm, used for a femoral or carotid approach. The curved tip can aid placement over the aortic arch and across the aortic valve in large animals (dog/pig/sheep).

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$2,923.00
Ships from overseas Estimated delivery 1 month

Pressure Catheter (5F, Single, Straight, 120cm, PU/WD)

Product Code
SPR-350S

5 F, single pressure sensor mounted at the tip, effective length 120 cm,. Straight, flexible body for the measurement of pressure in large animals (dog/pig/sheep).

 

SPR-350S

Pressure Catheter (5F, Dual, Curved, 3 cm, 120 cm, PU/WD)

Product Code
SPR-751

5F, dual pressure sensor with the first mounted at the tip and the second 3 cm from the tip, effective length 120 cm. Curved tip can aid placement when measuring LV and aortic pressures in large animals (dog/pig/sheep).

This product is not currently available for purchase in the EU.

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Pressure Catheter (5F, Dual, Straight, 3 cm, 120 cm, PU/WD)

Product Code
SPR-751S

5F, dual pressure sensor with the first mounted at the tip and the second 3 cm from the tip, effective length 120 cm. Straight flexible body for the measurement of pressure in large animals (dog/pig/sheep).

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Key Features

  • Record pressure signals directly at the source
  • Excellent signal frequency response
  • Extremely sensitive and accurate to small pressure changes
  • Require no fluid-filled lines
  • No motion artifacts
  • No signal attenuation
  • Do not require correction for barometric pressure as the catheter lumen is vented to atmosphere

Support

Support Articles

Our Support Articles contain answers to common questions, how-tos, solutions, and documentation.

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Details and Tech Specs

Technical

Product CodeMaterialSubjectLengthTip (French)# SensorsTipPressure Connector 
SPR-1000PolyimideMouse16 cm1 F1StraightLow Profile 
SPR-671NylonMouse16 cm1.4 F1StraightLow Profile 
SPR-320PolyurethaneRat140 cm2 F1StraightLow Profile 
SPR-407NylonRat140 cm2 F1StraightLow Profile 
SPR-513NylonRat140 cm2 F1CurvedLow Profile 
SPR-524NylonRabbit, Other Small Animal100 cm3.5 F1StraightLow Profile 
SPR-350Polyurethane - Woven DacronPig, Sheep, Other Large Animal120 cm5 F1CurvedLow Profile 
SPR-350SPolyurethane - Woven DacronPig, Sheep, Other Large Animal120 cm5 F1StraightLow Profile 
         
Dual sensor pressure catheters
Model NumberMaterialSubjectLengthTip (French)Sensor SpacingTipPressure Connector 
SPR-751Polyurethane - Woven DacronPig, Sheep, Other Large Animal120 cm5 F3 cmCurvedLow Profile 
SPR-751SPolyurethane - Woven DacronPig, Sheep, Other Large Animal120 cm5 F3 cmStraightLow Profile 

Product Codes

SPR-1000
Pressure Catheter (1F, Single, Straight, 41cm, PI, NR)
SPR-671
Pressure Catheter (1.4F, Single, Straight, 35 cm, Ny)
SPR-407
Pressure Catheter (2F, Single, Straight, 140 cm, Ny)
SPR-320
Pressure Catheter (2F, Single, Straight, 140cm, PU)
SPR-513
Pressure Catheter (2F, Single, Curved, 140cm, Ny)
SPR-524
Pressure Catheter (3.5F, Single, Straight, 100cm, Ny, NR)
SPR-350
Pressure Catheter (5F, Single, Curved, 120cm, PU/WD)
SPR-350S
Pressure Catheter (5F, Single, Straight, 120cm, PU/WD)
SPR-751
Pressure Catheter (5F, Dual, Curved, 3 cm, 120 cm, PU/WD)
SPR-751S
Pressure Catheter (5F, Dual, Straight, 3 cm, 120 cm, PU/WD)

Compatibility

SPR-1000

Operating System Recommended Hardware Alternate Hardware
LabChart Lightning Windows / Mac PowerLab C + Front End Interface + Bridge Amps Traditional PowerLab + Bridge Amps
LabChart 8 Windows / Mac PowerLab C + Front End Interface + Bridge Amps Traditional PowerLab + Bridge Amps
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