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Home Delivery & Sampling Products Tethers Button Tethers


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Button Tethers

These button tethers are easy to use and well-tolerated by animals. All of the variations of this type of tether are based on the same design: the cannula passes through the stalk of a button which has been surgically attached to the animal (usually under the skin), into a length of spring which protects the cannula and transmits torque to the swivel, and up to a swivel mounted outside the cage.
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Item Listing Full Description Specifications
Item# Description
610031 PolySulfone Button Tether Mouse Infusion
598408 PolySulfone Button Tether Rat Infusion Single Channel
610027 Dacron Mesh Button Tether Rat Infusion Dual Channel, 1-10 Day Experiment Duration
610034 Dacron Mesh Button Tether Rat Infusion Dual Channel, 10-60+ Day Experiment Duration

For local pricing, contact your nearest distributor.



Full Description Back to Top

• Small size which is ideal for mice
• Reduced animal stress for better research results
• Quick and easy tether attachment and removal

These button tethers are easy to use and well-tolerated by animals. All of the variations of this type of tether are based on the same design: the cannula passes through the stalk of a button which has been surgically attached to the animal (usually under the skin), into a length of spring which protects the cannula and transmits torque to the swivel, and up to a swivel mounted outside the cage.
Both of our standard button types have a low profile stalk that reduces stress on the sutures as the animal moves about. Simply twist the spring into the button stalk to attach it; the expansion force of the spring will hold it in place. You do not need extra tools, and the tether is free of obstructions for the cannula. Each tether also includes a quick disconnect coupler which sits about one inch above the animal. It lets you detach and reattach the tether easily, which further minimizes stress on the animal.
Polysulfone Button Tethers
These autoclavable buttons are designed for short- to medium-term studies. The lightweight plastic will not cause adverse tissue reactions as stainless steel sometimes does.
Dacron Mesh Button Tethers
These single-use buttons are designed for long-term implantation. After one to two weeks the subcutaneous tissue will actually grow into the Dacron mesh, making the sutures irrelevant.
Special Tethers
In addition to these standard tethers, we offer a range of special tether products including durable stainless steel buttons, custom length tethers, and beryllium copper spring stock for NMR studies. Two additional tethers are listed below. For details, please call Harvard Apparatus.


Specifications Back to Top

Specifications610031598408610027610034
ApplicationMouse InfusionRat Infusion Single ChannelRat Infusion Dual ChannelRat Infusion Dual Channel
MaterialPolysulfonePolysulfoneDacron MeshDacron Mesh
Diameter Englishinininin
Clear Lumen Length English0.062 in0.090 in0.105 in0.105 in
Stainless Steel Spring Length English12 in12 in12 in12 in
Weight Metric3.0 g7.5 g9.2 g9.2 g
Experiment Duration1 to 30 days1 to 10 days1 to 10 days10 to 60+ days
Parts IncludedButton, springButton, Spring, quick disconnect couplerButton, Spring, quick disconnect coupler3 buttons, spring, quick disconnect coupler

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