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Cryosurgical instrument for separating tissue samples from surrounding tissues of the biological tissue to be processed
Cryosurgical instrument for separating tissue samples from surrounding tissues of the biological tissue to be processed
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机译:用于从要处理的生物组织的周围组织中分离组织样本的冷冻外科器械
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摘要
A cryosurgical instrument and a method for separating a tissue sample from surrounding tissue of a biological tissue that is to be treated. The cryosurgical instrument includes a probe for guiding a probe head on to a biological tissue to be treated, and gas conduits for delivering coolant gas. The probe head is designed so that, in order to collect a tissue sample, a limited region of the tissue is cooled by means of the gas delivered and is separated from the surrounding tissue in a state in which it is frozen on the probe head. The instrument includes a support tube or hose in which the probe is guided and which can be moved relative to the probe in such a way that the surrounding tissue can be counter-supported during separation of the tissue sample.
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