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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.

Product Configurations

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Pressure Catheter (1F, Single, Straight, 20cm, 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.

$4,596.00
Ships from overseas Estimated delivery 1 week
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Pressure Catheter (1.4F, Single, Straight, 15 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).

$4,176.00
Ships from overseas Estimated delivery 1 week
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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.

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

$3,790.00
Ships from overseas Estimated delivery 1 week
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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.

$3,872.00
Ships from overseas Estimated delivery 1 week
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Pressure Catheter (3F, Single, Straight, 130cm, Ny)

Product Code
SPR-330A

3 F, single pressure sensor mounted at the tip, effective length 130 cm. Straight, flexible body for the measurement of pressure in rabbits and other small animals.

$3,837.00
Ships from overseas Estimated delivery 1 week
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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.

$1,310.00
Ships from United States Estimated delivery 2-5 business days
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Pressure Catheter (3F, Single, Straight, 60cm, Ny)

Product Code
SPR-249A

3 F, single pressure sensor mounted at the tip, effective length 60 cm. Straight, flexible body for the measurement of pressure in rabbits and other small animals.

$3,280.00
Ships from overseas Estimated delivery 1 week
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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).

$2,923.00
Ships from overseas Estimated delivery 1 week
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Pressure Catheter (5F, Single, 70cm, PU, Non Repairable)

Product Code
MPR-500

5 F, single pressure sensor mounted at the tip, effective length 70 cm. Straight, flexible body for the measurement of pressure in large animals (dog/pig/sheep).

$2,825.00
Ships from overseas Estimated delivery 1 week
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Pressure Catheter (2.5 F, Dual, Staight, 2.5 cm, 135 cm, PU)

Product Code
SPR-940

2.5 F, dual pressure sensor with the first mounted at the tip and the second 2.5 cm from the tip, effective length 135 cm. Straight, flexible body for the measurement of pressure in rats

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

Product Code
SPR-751

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

Product Code
SPR-751S

5 F, 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).

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.

Training and Workshops

Maximize time and resources with our customized training services delivered at your facility, on your equipment, on your terms.

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Details and Tech Specs

Technical

Product Code Material Subject Length Tip (French) # Sensors Tip Pressure Connector  
SPR-1000 Polyimide Mouse 20 cm 1 F 1 Straight Low Profile  
SPR-671 Nylon Mouse 15 cm 1.4 F 1 Straight Low Profile  
SPR-320 Polyurethane Rat 140 cm 2 F 1 Straight Low Profile  
SPR-407 Nylon Rat 140 cm 2 F 1 Straight Low Profile  
SPR-513 Nylon Rat 140 cm 2 F 1 Curved Low Profile  
SPR-524 Nylon Rabbit, Other Small Animal 100 cm 3.5 F 1 Straight Low Profile  
SPR-249A Nylon Rabbit, Other Small Animal 60 cm 3 F 1 Straight Low Profile  
SPR-330A Nylon Rabbit, Other Small Animal 130 cm 3 F 1 Straight Low Profile  
MPR-500 Polyurethane - Woven Dacron Pig, Sheep, Other Large Animal 70 cm 5 F 1 Straight Low Profile  
SPR-350 Polyurethane - Woven Dacron Pig, Sheep, Other Large Animal 120 cm 5 F 1 Curved Low Profile  
SPR-350S Polyurethane - Woven Dacron Pig, Sheep, Other Large Animal 120 cm 5 F 1 Straight Low Profile  
     
Dual sensor pressure catheters
Model Number Material Subject Length Tip (French) Sensor Spacing Tip Pressure Connector  
SPR-940 Polyurethane Rat 135 cm 2.5 F 2.5 cm Straight Low Profile  
SPR-751 Polyurethane - Woven Dacron Pig, Sheep, Other Large Animal 120 cm 5 F 3 cm Curved Low Profile  
SPR-751S Polyurethane - Woven Dacron Pig, Sheep, Other Large Animal 120 cm 5 F 3 cm Straight Low Profile  

Product Codes

SPR-1000
Pressure Catheter (1F, Single, Straight, 20cm, PI, NR)
SPR-671
Pressure Catheter (1.4F, Single, Straight, 15 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-330A
Pressure Catheter (3F, Single, Straight, 130cm, Ny)
SPR-524
Pressure Catheter (3.5F, Single, Straight, 100cm, Ny, NR)
SPR-249A
Pressure Catheter (3F, Single, Straight, 60cm, Ny)
SPR-350
Pressure Catheter (5F, Single, Curved, 120cm, PU/WD)
MPR-500
Pressure Catheter (5F, Single, 70cm, PU, Non Repairable)
SPR-940
Pressure Catheter (2.5 F, Dual, Staight, 2.5 cm, 135 cm, PU)
SPR-751
Pressure Catheter (5 F, Dual, Curved, 3 cm, 120 cm, PU/WD)
SPR-751S
Pressure Catheter (5 F, Dual, Straight, 3 cm, 120 cm, PU/WD)
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