DMT
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Organ Bath System - 820MO

provides a more advanced, user-friendly, and versatile solution for reactivity studies of isolated tissue such as smooth, skeletal and cardiac muscle
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 Multi-Channel Capability 
Handles multiple tissue samples simultaneously, increasing throughput and efficiency

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Precision and Sensitivity
​programmable force transducers and selectable force ranges, allowing for more precise and sensitive measurements
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​Durability
Made from acid-resistant stainless steel, the DMT system prevents lipid and compound adhesion, ensuring longevity and minimal maintenance
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Ease of Use
​With built-in oxygenation, buffer drainage, and heating, the DMT system is designed for easy setup, maintenance, and cleaning.
The DMT Organ Bath is a comprehensive system used for contractile studies of isolated smooth, skeletal, or cardiac tissue. In a controlled environment, tissue segments are kept in a heated and oxygenated perfusate to maintain tissue viability, and contraction and relaxation are measured using isometric force transducers.​

With different types of mounts, tissue such as aortic rings, trachea, veins, uterine, colon, ileum, diaphragm (and many more) are submerged in a >8 ml chamber and kept in a headed perfusate. One end is attached to a force transducer and the other end to a micrometer. The micrometer enables the accurate setting of pre-load while sensitive force transducers provide the isometric measurement of vessel or muscle contractions.
Following mounting and equilibration, the length-tension relationships of the tissue can be determined. During the experiment, the length of the muscle is kept constant, and compounds can be added directly to the chamber to assess function.

There is no longer a need to physically change transducers as the 820MO is equipped with selectable force ranges on the transducer. Simply select the range that gives the most sensitive data collection for various tissue types. The rectangular chamber shape is made of acid-resistant stainless steel, which prevents lipids from sticking to the surface.

Whether rings or strips (>20 mm) are used, the mounting is simplified as the chambers can be easily moved to a dissection microscope for quick tissue mounting. If electrical stimulation is part of the protocol, electrodes for field stimulation or direct stimulation are available.

The design and materials used for the chambers make maintenance and cleaning as minimal as possible. Preparing the system for experimentation takes no time, and cleaning at the end of the experiment is a matter of a few water washes. The aluminum and stainless steel in the chambers do not require detailed cleaning procedures and will stand up to heavy use.

This DMT Organ Bath is well suited to work in combination with the Automatic Buffer Filler System - 625FS, making it ideal for work requiring high-throughput screening, such as drug testing, or experiments requiring the separation of tissue preparations in individual baths.


Related Products:​​
  • ​​Data Acquisition​
  • Computer Package (Desktop) 
  • Dissection Stereo Microscope
  • ​Current Stimulator
  • Light Source 
  • Dissection Tool Kit
  • Heating Bath Circulator
  • Vacuum Package
  • ​​Buffer Filler System - 625FS
  • Gas supply manifold​
  • Service & Maintenance Contact
  • Extended warranty +3 years (*1)​
Quote Request
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Large Organ Bath Chamber

​# Multifunctional purpose - tubular or strip segments
​# Acid resistant stainless steel chamber
​   (avoid lipids/compounds sticking)

​# Larger vessel capability 
​​
# Ring mounted tissue >500µm
# Strip mount muscle <45mm
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Organ Bath Chamber

​# Multifunctional purpose - tubular or strip segments
​# Acid resistant stainless steel chamber
​   (avoid lipids/compounds sticking)

​# Ring mounted tissue >500µm
# Strip mount muscle <20mm
# Low chamber volume
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Interface

# Adjustable force range
​​# Integrated heating, gassing, & drainage
​# Direct data streaming (LabChart)
# Intregreted calibration procedure
# ​Intuitive touch-screen interface menus
# Compact design / small footprint

Comparison to traditional systems

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DMT Organ Bath 820MO
Other Organ Baths
Easily perform a diverse range of experiments
Yes
Change from vessel rings to muscle strips without changing the transducer.
No
​A series of separate transducers are generally required.
All-in-one system
Yes
Convenient all-in-one system.
No
​Separate components are required.
​Portable and robust
Yes
​Compact and robust. No glass to break. Easily moved on or off the bench. Can be shared with other researchers.
No
Fragile and time-consuming to pack away. Expensive glass is easily broken.
Direct data streaming​
Yes
​Save data directly to your computer using MyoDAQ Acquisition.
No
​​Must be used with data acquisition hardware.
Reduces consumable costs including drugs
Yes
Due to the small chamber volume, you save up to 80% in drug cost, depending on the chamber size currently used.
No
Chamber sizes vary significantly. Larger chambers require more drugs or reagents.
Easy to clean
Yes
Easy clean rectangular stainless-steel chambers.
No
​​Double jacketed glass, plastic chambers, and fragile difficult-to-remove parts. Detailed cleaning procedures are the norm.
  • Product Videos
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<
>
  • SYSTEM INTRODUCTION
  • SETTING UP
  • ​CALIBRATION
  • CLEANING & MAINTENANCE
  • EXPERIMENTAL SETUP (STRIPS)
  • EXPERIMENTAL SETUP (RINGS)
Chamber:
​
​Chamber volume (min):
Chamber volume (max):
Chamber(s):
Chamber material:
Tissue size - ring mount:
Tissue size - strip mount:
Vessel normalization:
Micrometer resolution:
Mounting type:
Temperature:
​
Range:
Resolution:
Stability:
Heating:
Transducer:
​
Output reading:
Range:
Resolution:
Force calibration:
Output:
​
Data communication:
Analogue output channels:
Analogue output range:

​*Refers to 820-XL Chamber

​4.0 ml (10 ml*)
8.0 ml (16 ml*)
4
Acid resistant stainless steel
500µm -19mm (500µm - 30mm*)
1mm -19mm (1mm - 45mm*)
​Manually
0.01 mm
Pins and Clamps
​​
​15.0 to 50.0 °C

0.1 °C
±0.2 °C
​Yes

​mN or g
±200/±400/±800 or ±1600 mN
0.01 mN
Yes

​USB 2.0
4
​±2.5 V

ORGAN BATH SYSTEM - 820MO USER MANUAL VOL. 1.2
​ORGAN BATH SYSTEM - 820MO USER GUIDE VOL. 1.2
​
DMT NORMALIZATION USER GUIDE VOL. 2.0
​Equilibrate Aorta
Read a Micrometer
Open the Back of the Interface
Check for a Clogged Gas Line
Grease Transducer ​

More...
Need-to-have:
  • Data Acquisition – MyoDAQ (#300671)
  • Computer Package (Desktop) (#101022)
  • Dissection Stereo Microscope – Zeiss Stemi 305 (#400484)
  • Light Source LED – gooseneck guide (#400794)
  • ​Dissection Tool Kit (#101017)
  • Open Heating Bath Circulator- Water bath 110V (#400738), 220V (#400740)
  • Vacuum Package - 110V (#101019), 220V (#101053) 


Nice-to-have:
  • Buffer Filler System - 625FS (#101057)
  • Installation Kit (#300639)
  • Gas supply manifold- 4-channel (#300295)
  • Mounting Pins: 100μm (#300479), 200μm (#300042), 250μm (#300133), 300μm (#300131), 400μm (#300132)
  • Force Transducer- isometric (#300031)
  • pH Electrode (#300370)
  • pH Meter License (#101040)
  • Service & Maintenance Agreement (#101054)
  • ​Extended warranty +3 years (#101034) 

​
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Data Sheet

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Guides, Videos & More

WIRE MYOGRAPH SYSTEMS
​Single Wire Myograph System - 320A
Confocal Wire Myograph System - 360CW
​Dual Chamber Wire Myograph System - 420A
Multi Myograph System - 620M
Automated Multi Myograph System - 630MA
​​
​​ORGAN BATH SYSTEMS
Multi Myograph System - 620M
​Organ Bath System - 751MT​
Organ Bath System - 820MO
​
​MUSCLE STRIP SYSTEMS
Tissue Puller - 560TP
MyoDynamics Muscle Strip System - 840MD
​
​​​PRESSURE MYOGRAPH SYSTEMS
Pressure Myograph System - 110PXL
Pressure Myograph System - 112PP
Pressure Myograph System - 114P
Pressure Myograph System - 114PB
Pressure Myograph System - 114PN
SUPPORT
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System Maintenance
​
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© 2025 Danish Myo Technology A/S
  • Products
    • Muscle Strip Systems >
      • Tissue Puller System - 560TP
      • MyoDynamics Muscle Strip System - 840MD
    • Organ Bath System >
      • Organ Bath System - 751MT
      • Organ Bath System - 820MO
    • Pressure Myograph Systems >
      • Pressure Myograph System - 110PXL
      • Pressure Pulsation Myograph System - 112PP
      • Pressure Myograph System - 114P
      • Pressure Myograph System - 114PB
      • Pressure Myograph System - 114PN
      • Pressure Myograph System - 120CP
    • Wire Myograph Systems >
      • Single Wire Myograph System - 320A
      • Confocal Wire Myograph System - 360CW
      • Dual Wire Myograph System - 420A
      • Multi Myograph System - 620M
      • Automated Multi Myograph System - 630MA
    • Myograph Software >
      • MyoNORM
      • MyoDAQ Acquisition
      • MyoVIEW 5
      • MyoPULSE
    • Accessories & Parts >
      • Buffer Filler System
      • Dissection & Mounting
      • FlowMeter - 162FM
      • Stimulators >
        • Stimulator - CS4+
        • Stimulator - CS8
      • Transducers
  • Support
    • Guides, Videos & More >
      • Product Videos
      • Guides & Manuals
      • Protocols/Articles
      • Software Downloads
      • How To Videos
    • Myograph Training/Installation
    • System Maintenance
  • Blog
  • About us
  • Contact