Non-invasive positioning device and positioning system

Abstract

The present disclosure relates to a non-invasive positioning device and a positioning system. In one aspect, a non-invasive positioning device is provided, which comprises: a positioning film for fixing a to-be-irradiated part of a to-be-irradiated subject; a first connecting piece for being fixed to a carrier for carrying the to-be-irradiated part, and the first connecting piece comprises a first locking piece; and a second connecting piece comprising a body part and a second locking piece, the body part is fixedly connected with the positioning film, and the second locking piece is arranged on the body part and can be locked and unlocked relative to the first locking piece. Thus, the efficiency of the fixing operation is improved, and the fixing accuracy is improved and thus the radiotherapy accuracy is improved.

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