Abstract: A computed tomography-guided (CT-guided) percutaneous pulmonary nodule cutter includes an outer sheath puncture guide needle and a mesh-shaped electromagnetic cutting system; a hollow sleeve is disposed in the outer sheath puncture guide needle, and the mesh-shaped electromagnetic cutting system is disposed in a space between the outer sheath puncture guide needle and the hollow sleeve, a main body of the mesh-shaped electromagnetic cutting system is made of a polymer shape memory material into a tubular shape; and the tubular shape is integrally formed with two meshes at a position facing a tip end of the outer sheath puncture guide needle. By using the CT-guided percutaneous pulmonary nodule cutter, the patient's economic burden is reduced and the patient's comfort is improved and it is beneficial for promoting CT-guided percutaneous cutting biopsy of the pulmonary nodules.

Abstract: The present invention provides a multifunctional preoperative precise locator suitable for multiple organs, comprising a guiding system and a positioning system. The guiding system includes a guiding needle, a guiding needle handle, scale lines, rubber limiters, sharp needle cores, and blunt needle cores. The present invention enhances the safety and ease of operation of preoperative localization of small nodules in various organs, broadens the range of guidance devices for preoperative localization: ultrasound, CT, PET/CT, and MRI can all be used, significantly improves the accuracy of localization, can precisely guide the surgical resection range, and maximizes the preservation of residual anatomical structures and functions of organs in patients.

Abstract: The present invention provides a multifunctional preoperative precise locator suitable for multiple organs, comprising a guiding system and a positioning system. The guiding system includes a guiding needle, a guiding needle handle, scale lines, rubber limiters, sharp needle cores, and blunt needle cores. The present invention enhances the safety and ease of operation of preoperative localization of small nodules in various organs, broadens the range of guidance devices for preoperative localization: ultrasound, CT, PET/CT, and MRI can all be used, significantly improves the accuracy of localization, can precisely guide the surgical resection range, and maximizes the preservation of residual anatomical structures and functions of organs in patients.

Abstract: A computed tomography-guided (CT-guided) percutaneous pulmonary nodule cutter includes an outer sheath puncture guide needle and a mesh-shaped electromagnetic cutting system; a hollow sleeve is disposed in the outer sheath puncture guide needle, and the mesh-shaped electromagnetic cutting system is disposed in a space between the outer sheath puncture guide needle and the hollow sleeve, a main body of the mesh-shaped electromagnetic cutting system is made of a polymer shape memory material into a tubular shape; and the tubular shape is integrally formed with two meshes at a position facing a tip end of the outer sheath puncture guide needle. By using the CT-guided percutaneous pulmonary nodule cutter, the patient's economic burden is reduced and the patient's comfort is improved and it is beneficial for promoting CT-guided percutaneous cutting biopsy of the pulmonary nodules.

Abstract: A coaxial guide needle for puncture to prevent gas embolism includes a needle sheath handle, a needle sheath, a needle core handle, an anti-gas valve and a needle core, an end of the needle sheath handle is in sealed connection with the needle sheath, another end of the needle sheath handle is used for connecting the needle core handle, the needle core handle is connected with an end of the needle core, another end of the needle core is disposed through the needle sheath; the needle sheath handle is provided with the anti-gas valve therein, and an edge of the anti-gas valve is in sealed connection on an inner wall of the needle sheath handle. A problem that air exposure of percutaneous coaxial guide needle causes gas embolism is solved, a safety of percutaneous technology is significantly improved, the percutaneous technology is promoted and economic and social benefits are improved.