Stretchable cryoprobe sheath
作者： Steven Kovalcheck , John D. Dobak
DOI:
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摘要: A sheath (20) for use on a closed loop Joule-Thomson cryosurgical probe (10), and the combination of (10). The is slipped over thereby separating from environment. has grip (22) which fits handle (12) probe, an extendible shroud (23) can be longitudinally extended to cover tubing (18) are attached (12). hollow multi-lumen catheter (24) shaped sized fit snugly cannula (14) not thermally conductive, preventing transfer heat ambient gas mixture, freezing tissues at undesired locations along catheter. conductive cap or tip (26) biased against cold (16) (10) by biasing element (28) in assembly.
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