Single Channel Plastic Swivels for Rats and Mice

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Instech's plastic infusion swivels are designed for researchers that require components touching the fluid path to be replaced after each experiment. While we have used a plastic body in order to reduce the cost, the critical seal design is the same as is used our stainless steel models.

Plastic swivels are available in with one channel only in the following sizes:

  • 375/20PS (pink, 20ga) – Blood pressure measurement or IV feeding with rats
  • 375/22PS (blue, 22ga) – Standard infusion of rats
  • 375/25PS (purple, 25ga) – Mouse infusion

The 375/20PS and 375/22PS models include plastic swivel-tether clamps that mate with Instech PS95-spring-based rat tethers (such as VAH95T, VAB95T, CIH95 or DC95S) whereas the 375/25PS model mates with PS62-based mouse tethers (such as VAH62T, CIH62, DF62S or LW62S). Order adjustable clamps (part no CLAMP) for use with other sizes of spring.

Plastic swivels are provided individually packaged and sterilized by ethylene oxide; they should not be autoclaved. They are also available as part of pre-assembled, sterile infusion kits. Please contact Instech for quantity discounts on orders of more than 100 swivels.

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Description

Fluid Swivels for Continuous Animal Infusion

The swivel, a device that rotates to keep the catheter from tangling, is a critical part of any continuous animal infusion system. The Instech fluid swivel has been in laboratory use for over 40 years and has earned a reputation as the finest in the industry.

Instech swivels are manufactured with precision to ensure ease of rotation, durability and reliability. The design minimizes internal dead volume and eliminates stagnant regions along the fluid path. Fluids passing through the swivel touch only stainless steel hypodermic tubing and Teflon. Self-adjusting seals, at the heart of every Instech swivel, actually improve with use.

Swivels are available in a variety of sizes for use with a range of species — rodents to large animals. They work with Instech’s harness, button and head block tethers. For optimal performance they should be mounted above the animal’s cage with one of Instech’s swivel/cage mounts, ideally counter-balanced to remove slack in the tether. Swivels are also available as part of pre-assembled infusion kits.

 

Frictional Torque by Model

Swivel torque

All models are appropriate for rats.

Additional information

Plastic Swivel Model

375/20PS – 20ga single channel plastic swivel, sterile, 375/22PS – 22ga single channel plastic swivel, sterile, 375/25PS – 25ga single channel plastic swivel, sterile, 375/20PLS – 20ga single channel plastic swivel, luer inlet, sterile, 375/22PLS – 22ga single channel plastic swivel, luer inlet, sterile

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