15 results about "Spinal tumor" patented technology

The invention discloses a curative effect evaluation method and system for stereotactic radiotherapy of spinal tumor, and the method comprises the steps: carrying out the automatic segmentation of tumor tissues and surrounding healthy organs in a spinal tumor imaging image after the stereotactic radiotherapy, and enabling a segmented tumor region to serve as a target organ region; extracting target image omics features from the image of the target organ region, wherein the target image omics features comprise shape features, texture features, gray level statistic features and high-order features related to the curative effect evaluation result; and inputting the target image omics characteristics into the first curative effect evaluation model to obtain a curative effect evaluation prediction result. The multi-dimensional features such as the shape feature, the texture feature, the gray statistic feature and the high-order feature are extracted from the image of the target organ region, the curative effect is evaluated based on the multi-dimensional features, and the accuracy of curative effect evaluation is improved.

The utility model discloses a kind of spinal tumor puncture devices, belong to medical instrument technical field, the spinal tumor puncture device includes dilator, ring saw, divider and first push rod, wherein: ring saw includes ring saw main body and the first handle located above ring saw main body, first passageway is equipped on ring saw vertically through, the lower end of ring saw main body is equipped with sawtooth;Divider includes the divider main body that can be inserted into first passageway and the second handle located above divider main body, second passageway is equipped on divider vertically through, the lower side of divider main body is equipped with slot, the lower side of divider main body is equipped with the first blade edge of vertically extending in the side edge of slot close to;First push rod includes the first push rod main body that can be inserted into second passageway and the third handle located above first push rod main body.The utility model is convenient for sampling to hardened bone and non-hardened bone, sampling is sufficient, and it is easy to puncture, amount of bleeding is less, and tissue damage is small.

The invention provides an application of Nedissertib in treatment of spinal cord glioma. According to the application, it is found for the first time that Nedissertib can inhibit growth of spinal glioma cells, it is found through combined radiotherapy that the growth of the spinal glioma cells can be more significantly inhibited through combination of Nedissertib and radiotherapy, and these findings highlight the treatment value of Nedissertib in spinal tumor, especially the value of Nedissertib in sensitization of radiotherapy. A new thought is provided for the treatment of the spinal glioma.

Spinal tumor ablation devices and related systems and methods are disclosed. Some spinal tumor ablation devices include electrodes that are fixedly offset from one another. Some spinal tumor ablation devices include a thermal energy delivery probe that has at least one temperature sensor coupled thereto. The position of the at least one temperature sensor relative to other components of the spinal tumor ablation device may be controlled by adjusting the position of the thermal energy delivery probe in some spinal tumor ablation devices. Some spinal tumor ablation devices are configured to facilitate the delivery of a cement through a utility channel of the device.

This utility model discloses a bipolar radiofrequency electrode for bone tumor surgery, which includes a cable assembly, a handle, a scalpel, and a scalpel head connected in sequence. The scalpel head includes a suction tube and an outer steel tube that is spaced and sleeved on the suction tube, with a water outlet channel formed between the suction tube and the outer steel tube. The scalpel head includes an insulating head fixed to the distal end of the outer steel tube. The insulating head is provided with a first strip electrode and a second strip electrode arranged side by side. The insulating head located at the first strip electrode and the second strip electrode has several suction holes, which are connected to the suction tube. Several water outlet holes connected to the water outlet channel are provided on both sides of the distal end of the outer steel tube. This solution uses radiofrequency electrodes to irrigate the incision after the resection of benign spinal tumors, which can accurately stop bleeding at soft tissue bleeding points, effectively reducing the amount of bleeding. Furthermore, by utilizing the circulating supply of physiological saline, the first strip electrode and the second strip electrode are effectively wrapped by physiological saline, thereby ensuring the plasma excitation efficiency.

The invention discloses a radiotherapy scheme decision-making method and system based on a tumor classification labeling database. The method comprises the following steps: collecting historical spinal tumor radiotherapy data of a patient; labeling the historical spinal tumor radiotherapy data to obtain a classification labeling database; historical text data, historical medical image data and historical multi-source time sequence data of multiple systems in a hospital are collected, and multi-modal fusion data are obtained; mapping the multi-modal fusion data and the classification annotation database to obtain historical diagnosis and treatment data; collecting current case data; and matching the current case data with the historical diagnosis and treatment data to obtain a radiotherapy scheme decision result. The scheme of the invention effectively solves the problems of insufficient utilization of existing spinal tumor radiotherapy data and lack of data support in decision making.

The invention relates to the technical field of spinal tumor excision, in particular to a novel spinal tumor whole block excision method. A novel integral spinal tumor excision method comprises the following steps that S1, a patient is placed in a prone position after being anesthetized, skin and soft tissue structures around a posterior vertebral arch part of a tumor segment are cut open and free according to an operation safety boundary designed before an operation, and pedicle screws are placed in normal vertebral segments above and below a tumor vertebra; s2, cutting part of normal ribs of the tumor vertebral segment on two sides, entering the thoracic cavity through the outside of the pleural cavity, and passively stripping a great vascular structure on the ventral side of the vertebra along the front edge of the vertebral body only at the normal vertebral osteotomy level of the upper end and the lower end of the tumor vertebral by using the finger of a surgeon to enter the front part of the vertebral body, a protection baffle is arranged between the vertebral body and the free blood vessel through the stripping gap, and a fret saw is arranged; and S3, performing En-bloc excision on the tumor vertebrae by using a rotation-rotation technology. Tumor boundaries can be separated, tumors can be removed more thoroughly, and tumor residual recurrence is avoided.

The present invention discloses a titanium mesh fusion device for spinal intervertebral fusion, comprising a first half cylinder and a second half cylinder, wherein the first half cylinder and the second half cylinder are configured to be connected by a buckle. The first half cylinder has a first buckle end, wherein the first buckle end is provided with a convex portion, and the second half cylinder has a second buckle end, wherein the second buckle end is provided with a concave portion, and the first half cylinder and the second half cylinder are configured to be buckled by the cooperation of the convex portion and the concave portion. The present invention adopts a titanium mesh fusion device with a split design, which can reduce the difficulty of implanting the intervertebral space through a smaller surgical field and operating space during spinal tumor surgery, and provides the possibility for minimally invasive surgical operations. The design of the convex portion and the concave portion can ensure that the assembled titanium mesh fusion device has good axial compressive resistance, thereby providing good axial support. At the same time, the design also enables the assembled titanium mesh fusion device to have anti-rotation and anti-shear stress performance.

A method of applying tumor treating fields to a subject includes: locating a plurality of transducers on the subject, the plurality of transducers being located to focus electric fields around a spinal area of the subject; and alternately inducing a first electric field for a first set of the transducers and a second electric field for a second set of the transducers.

A method of applying tumor treating fields to a subject includes: locating a plurality of transducers on the subject, the plurality of transducers being located to focus electric fields around a spinal area of the subject; and alternately inducing a first electric field for a first set of the transducers and a second electric field for a second set of the transducers.

The invention discloses a spinal tumor targeted ablation probe with thermal field feedback and an ablation system. The ablation probe comprises a spinal tumor ablation electrode used for outputting radiofrequency ablation energy, a water cooling circulation module used for uniformly cooling the spinal tumor ablation electrode, and a thermal field feedback sensor used for collecting and feeding back the temperature of the position pointed by the spinal tumor ablation electrode, and one end of the water cooling circulation module is arranged in the spinal tumor ablation electrode; the thermal field feedback sensor penetrates through the head end and the tail end of the spinal tumor ablation electrode, one end of the thermal field feedback sensor is fixed to the head end of the spinal tumor ablation electrode, and the tail end of the spinal tumor ablation electrode is connected with one end of the radio frequency signal transmission line. According to the spinal metastatic tumor ablation device, while precise ablation of spinal tumors is achieved, real-time precise control over the intraoperative temperature field is achieved, ablation heat damage is reduced, and the safety and effectiveness of spinal metastatic tumor ablation are improved.

Spinal tumor ablation devices and related systems and methods are disclosed. Some spinal tumor ablation devices include electrodes that are fixedly offset from one another. Some spinal tumor ablation devices include a thermal energy delivery probe that has at least one temperature sensor coupled thereto. The position of the at least one temperature sensor relative to other components of the spinal tumor ablation device may be controlled by adjusting the position of the thermal energy delivery probe in some spinal tumor ablation devices. Some spinal tumor ablation devices are configured to facilitate the delivery of a cement through a utility channel of the device.

This invention provides a 3D-printed, height-adjustable integrated reconstruction prosthesis for spinal tumors, belonging to the field of orthopedic medical device technology. It includes a support frame with two first prostheses symmetrically fixedly connected to its top and bottom. Each first prosthesis has a hollow internal structure. An adjusting ring is rotatably connected to the inner wall of the support frame, and an adjusting threaded rod is fixedly connected to the inner wall of the adjusting ring. The adjusting threaded rod is rotatably connected to the interior of the first prosthesis. A second prosthesis is threadedly connected to the outer wall of the adjusting threaded rod, and the second prosthesis is slidably connected to the inner wall of the first prosthesis. The support frame, first prosthesis, and second prosthesis are formed by 3D printing. The prosthesis as a whole is a porous titanium alloy structure with a porosity of 60%–80% and a pore size of 300μm–800μm. This invention has the advantages of strong adaptability, high surgical efficiency, structural stability, few complications, good biocompatibility, high safety, individualized customization, and strong clinical adaptability.

The invention provides an auxiliary punching device for radiotherapy in a spinal tumor operation. The auxiliary punching device comprises a shell, a handle and a grip are arranged on the shell, a punching rod is arranged at one end of the shell, a detachable pipe sleeve is arranged on the punching rod in a sleeving mode, and a bearing base is arranged on the side, away from the punching rod, of the shell. And a connecting shaft is arranged at the end part of the grip and is rotatably arranged on the shell. A connecting frame is hinged to the shell, a hammer body is arranged at one end of the connecting frame, the connecting frame is connected with the shell through a reset assembly, a driving mechanism connected with the connecting frame is arranged on the grip, rotation of the grip close to the handle is converted into rotation of driving the connecting frame through the driving mechanism, and connection with the grip is released when the connecting frame rotates to a limit position. When the punching device is used for punching the spine, the punching depth can be conveniently and accurately controlled, a working channel is effectively established at an ideal position for radiotherapy, the pipe sleeve is arranged in the spine, and a needle type applicator can conveniently penetrate through the pipe sleeve to carry out radiotherapy on a spine tumor.

The invention discloses a spinal tumor radiotherapy auxiliary device. The spinal tumor radiotherapy auxiliary device comprises a supporting platform, a clamping piece and a traction piece. The supporting platform can be supported on an operating bed, and the top face of the supporting platform is a supporting face. The clamping piece can be clamped and fixed at the top end of the pipe sleeve; the traction piece is arranged on the supporting platform, connected with the clamping piece and used for driving the clamping piece to move in parallel along the axis of the pipe sleeve. By the adoption of the device, manual tube drawing operation of operation personnel is not needed, the labor intensity of the operation personnel can be reduced, meanwhile, due to the fact that in the tube drawing process, it can be guaranteed that the force application direction is consistent and parallel to the axis of the tube sleeve, the left-right swinging phenomenon cannot occur, and the operation efficiency is improved. Therefore, the situation that the peripheral tissue of the spine hole is extruded, the hole is enlarged, and the spine is injured for the second time is avoided.