Ultrasmall Heat Shrink Tubing

Junkosha, Tokyo, Japan, has released an ultra-small peelable heat-shrink tubing (PHST) and a high-shrink ratio PHST. The ultrasmall PHST is suitable for laminating a jacket coating to tiny guide wires (for example, 0.011 and 0.014 in.), leveraging the fact that PHST has a recovered ID down to 0.009 in. The miniature guide wires are idea for applications such as the navigation of vessels to reach a lesion or vessel segment within, for example, the brain or heart. The high-shrink ratio PHST (2:1) is ideal for processes where tapered microcatheter shafts are used or where tolerance take-up is an issue.

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