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Plastic Button Tethers
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Instech's plastic button tethers are designed for short- to medium-term infusion studies. All variations of this type of tether are based on the same design: the catheter passes through the stalk of a button which has been surgically attached to the animal (usually under the skin), into a length of stainless steel spring which protects the catheter and transmits torque to the swivel, and up to a swivel mounted outside the cage.
The lightweight plastic will not cause adverse tissue reactions as stainles steel sometimes can. The miniature LW62 for mice includes Dacron mesh which can be sutured onto the button to expand the attachment area and reduce strain on the sutures.
keyword : fluid handling, tether, instech
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