31 results about "Spinal tumor" patented technology

The invention relates to a movable three-dimensional rocker arc-shaped guide spinal puncture assistor, which comprises a ground movable support part, a three-dimensional rocker regulating part and an arc-shaped angle guide puncture part, wherein bottom feet of the ground movable support part are rolling wheels with brakes; a vertical rod which is sleeved by a round tube and is used for maintaining the integral balance is arranged above the ground movable support part; the three-dimensional rocker regulating part is of a three-dimensional regulating structure consisting of three rockers with screw threads and three extension rods, and also comprises a horizontal calibrator and a horizontal locking spanner; the arc-shaped angle guide puncture part comprises a 1 / 4 circular-arc rail with an angle, a rocker, two infrared fixed point instruments, a guide rod and a needle guide device; the rocker can realize 360-degree vertical rotation through regulating the circular-arc rail; the guide rail slides along the circular-arc rail; and the needle guide device can be dismounted for disinfection. The movable three-dimensional rocker arc-shaped guide spinal puncture assistor has the advantages that the puncture accuracy is high; the perspective time is short; the number of perspective times is small; the quantity of X-ray radiation received by medical care personnel and patients is low; the needle guide device can be disinfected and repeatedly used; and high molecular materials are radiotransparent, and the like. Therefore the movable three-dimensional rocker arc-shaped guide spinal puncture assistor can be widely applied to spinal surgeries such as intervertebral aperture mirror positioning puncture, epidural anesthesia, spinal tumor biopsy and spinal abscess puncture drainage.

The invention relates to drug carrier micro ball composite calcium phosphate skeleton cement used in the rebuilding construction of spine tumor surgery. The invention uses micro balls as carrier to be combined with the anti-tumor drug to obtain the carrier micro ball, then to be mixed with calcium phosphate skeleton cement, therefore, the invention can avoid blasting effect after transplantation to support releasing the anti-tumor drug and holding stable density, and support growing fresh skeleton. The invention can be used to replace CPC carrier.

The present invention relates to stable fixation of spine segments, allowing for fusion in, e.g., skeletally mature patients. More particularly, the invention relates to a bone fixation device that can be affixed to vertebrae of a spine to provide reduction (or enlargement) capabilities and allow for fixation in the treatment of various conditions, including, e.g., spondyloslisthesis, degenerative disc disease, fracture, dislocation, spinal tumor, failed previous fusion, and the like, in the spine. The invention also relates to a method for delivering and implanting the bone fixation device.

The present invention relates to stable fixation of spine segments, allowing for fusion in, e.g., skeletally mature patients. More particularly, the invention relates to a bone fixation device that can be affixed to vertebrae of a spine to provide reduction (or enlargement) capabilities and allow for fixation in the treatment of various conditions, including, e.g., spondyloslisthesis, degenerative disc disease, fracture, dislocation, spinal tumor, failed previous fusion, and the like, in the spine. The invention also relates to a method for delivering and implanting the bone fixation device.

The invention relates to a movable three-dimensional rocker arc-shaped guide spinal puncture assistor, which comprises a ground movable support part, a three-dimensional rocker regulating part and an arc-shaped angle guide puncture part, wherein bottom feet of the ground movable support part are rolling wheels with brakes; a vertical rod which is sleeved by a round tube and is used for maintaining the integral balance is arranged above the ground movable support part; the three-dimensional rocker regulating part is of a three-dimensional regulating structure consisting of three rockers with screw threads and three extension rods, and also comprises a horizontal calibrator and a horizontal locking spanner; the arc-shaped angle guide puncture part comprises a 1 / 4 circular-arc rail with an angle, a rocker, two infrared fixed point instruments, a guide rod and a needle guide device; the rocker can realize 360-degree vertical rotation through regulating the circular-arc rail; the guide rail slides along the circular-arc rail; and the needle guide device can be dismounted for disinfection. The movable three-dimensional rocker arc-shaped guide spinal puncture assistor has the advantages that the puncture accuracy is high; the perspective time is short; the number of perspective times is small; the quantity of X-ray radiation received by medical care personnel and patients is low; the needle guide device can be disinfected and repeatedly used; and high molecular materials are radiotransparent, and the like. Therefore the movable three-dimensional rocker arc-shaped guide spinal puncture assistor can be widely applied to spinal surgeries such as intervertebral aperture mirror positioning puncture, epidural anesthesia, spinal tumor biopsy and spinal abscess puncture drainage.

The invention relates to a non-intermittent automatic operation type minimally invasive spinal robot arm based on a lateral wing guidance. The non-intermittent automatic operation type minimally invasive spinal robot arm based on the lateral wing guidance comprises a base plate which is provided with a connector. The robot arm is characterized in that an endoscope head, an aspirator and a main lifting mechanism are arranged on the base plate. Meanwhile, the main lifting mechanism is connected with a punch device through a steering mechanism, the punch device is connected with a connecting base, and the punch device comprises punch forceps. In addition, a guide tube is arranged in the punch forceps, a cam mechanism is connected to the punch forceps, the cam mechanism is connected with a punch motor through a connecting shaft, and a reset spring is arranged between the connecting base and the punch forceps. A cutting sucker is arranged in the guide tube. The non-intermittent automatic operation type minimally invasive spinal robot arm based on the lateral wing guidance can participate in implementation of spinal operations and specially can assist medical staff in conducting spinal operations such as a spinal fracture, a spinal tumor, a spinal scoliosis, a slipped disc, a spinal stenosis and spondylolisthesis. The overall application range is wide, operation is easy and convenient, and safety and reliability are achieved.

The invention discloses a wire saw guide device for total resection of spinal tumors, and solves the problems of inconvenience of wire saw guidance caused by limitation of tools in conventional totalresection of spinal tumors, wherein the wire saw guide device comprises a guider with an arc-shaped structure, a guide channel for a wire saw to pass through is arranged inside the guider in the arc-shaped direction, and two ends of the guide channel extend out of the guider; the inner arc surface of the guider is provided with an incision in the arc-shaped direction, and the wire saw is separatedfrom the guide channel through the incision. The wire saw guide device with the structure can quickly and accurately guide the wire saw to an operation position, and protect the nerves and blood vessels of the spine while the wire saw is cut off, thereby reducing the operation risk.

The invention provides an artificial vertebral body with adjustable height. The artificial vertebral body comprises a fixed body (100), a telescopic body (200) and a connecting piece (300). The fixedbody (100) comprises a first accommodating space (110) and a first connecting end (120). The fixed body (100) is integrally connected with the first connecting end (120). The telescopic body (200) comprises a second connecting end (210). One end of the telescopic body (200) is movably connected with the second connecting end (210), and the other end is mounted in the first accommodating space (110) in a matched manner and is connected with the fixed body (100) through the connecting piece (300). By inserting the telescopic body (200) into or pulling the telescopic body (200) out of the fixed body (100), the length of the artificial vertebral body is flexibly adjusted, and the problem that the heights of standardized prostheses are not matched due to individualized differences of vertebralbodies and tumor sizes of patients in the spinal tumor excision and reconstruction operation process is effectively solved.

The invention discloses a novel self-rotating spine-distracting internal fixation system comprising a fixed connector block, a connecting sleeve, a screw shaft, screw caps, a rotating adjusting opening, universal pedical screws, adjustable connecting fixer blocks and pedical screw adjusting ribs. The fixed connector block is disposed in the middle of the screw shaft. The connecting sleeve is fixed on two sides of the fixed connector block through the screw shaft. The screw caps are disposed on the upper portions of the adjustable connecting fixer blocks. The rotating adjusting opening is arranged in the right end of the screw shaft. The universal pedical screws are disposed on the lower portions of the adjustable connecting fixer blocks. The pedical screw adjusting ribs are arranged at the upper ends of the universal pedical screws. The novel self-rotating spine-distracting internal fixation system is simple in structure, novel in design, simple to produce and manufacture and convenient to clinically operate. The spine is reduced by self-rotating distraction during locking, with no need for surgical reduction; the system is applicable to open surgeries, minimally invasive surgical therapies and surgical treatment of spinal fracture, spondylolisthesis, scoliosis and spinal tumor and is convenient to popularize and practically use.

The invention relates to a spinal digital surgery device based on micro-gap positioning, which includes a bearing platform, a controller is arranged on the bearing platform, an X-axis guide rail is arranged on the bearing platform, and a moving assembly is slidably connected to the X-axis guide rail. Yes: The mobile component is provided with a Y-axis guide rail, a column is slidably connected to the Y-axis guide rail, a Z-axis guide rail is distributed on the column, a beam is slidably connected to the Z-axis guide rail, a universal interface is provided on the beam, and a universal interface is connected to a The navigation robot arm and the decompression combination robot arm are connected with a locator on the navigation robot arm. In this way, it can assist the implementation of spinal surgery, especially to help medical staff perform spinal fractures, spinal tumors, scoliosis, intervertebral disc herniation, spinal stenosis, spondylolisthesis and other spinal surgery operations. The overall application range is wide, the positioning accuracy is high, the operation is simple, safe and reliable.

The invention discloses a multi-needle guide system for spinal radio-frequency ablation puncture. The system comprises puncture needles and a guide; each puncture needle comprises a puncture portion at the front end of a needle head and a guide portion at the rear portion of the needle head; each puncture needle is at least internally provided with parallel passages, and each puncture needle is further provided with a plurality of oblique passages; the oblique passages penetrate between the puncture portion and the guide portion of the corresponding puncture needle and are different from the corresponding puncture needle in inclination angle, and the front end of each oblique passage is positioned on the same side of the corresponding puncture portion; the guide comprises a connection portion and a guide arm. By the aid of the multi-needle guide system, imbedding directions of the radio-frequency electrode needles can be guided accurately, precision multi-needle guided puncture for ablation of spinal tumors is realized, the radio-frequency electrode needles are enabled to reach preset spinal portions according to designed angles and to be uniformly distributed at different spinal positions to completely cover a whole spinal structure, and consequently treatment effectiveness is greatly improved.

The invention relates to a method for making a thoracolumbar vertebra deformity posterior individualized osteotomy navigation template. The method is characterized by comprising the following steps: reconstructing a three-dimensional model of whole spine and pelvis based on a medical image; performing a simulate operation on the three-dimensional model; simulating osteotomy to recover normal physiological curvature of the spine; and making an osteotomy template according to the osteotomy position and size of the simulate operation; and printing the osteotomy template by 3D printing. The osteotomy template is individualized; in the operation, the subjectivity in selecting the osteotomy position and size and the repeated operation perspective and the like are avoided; the method is suitable for the kyphosis orthopaedics of old thoracolumbar vertebra fracture, orthopaedics of spinal tumor, osteotomy orthopaedics of ankylosing spondylitis and the like; and moreover, the operation is easy, the requirements on doctors are relatively low, the operation risk is lowered, the operation efficiency is increased, and the operation cost is reduced.

The invention relates to a combined artificial vertebral body and belongs to the technical field of internal fixation of implantation materials of vertebral column surgery. The combined artificial vertebral body is especially used for treating the diseases, such as spinal tumor, tuberculosis and fracture, and for replacing the vertebral body and recovering a normal physiological function of the vertebral column of human body. The combined artificial vertebral body comprises convex cover plates, concave cover plates, fixing bolts, an inner supporting block, an outer supporting block and a spring; the inner supporting block is mounted in an inner hole of the outer supporting block; the spring is inserted into the inner hole of the inner supporting block; the concave cover plates are mounted at the two ends of the outer supporting block through the fixing bolts; the two convex cover plates are respectively assembled on concave spherical surfaces of the two concave cover plates through convex spheres, thereby forming the combined artificial vertebral body; hemispheric convex spheres are arranged on one surfaces of the convex cover plates; sharp cylinders which are uniformly distributed and thin plates which are vertical to the convex cover plates and are provided with tooth-shaped grooves are arranged on the other surfaces of the convex cover plates; the concave spherical surfaces are respectively arranged on one surfaces of the concave cover plates; the concave spherical surfaces are arranged for accommodating the convex spheres of the convex cover plates; and a plurality of cylindrical footstep holes are arranged in one sides of the concave spherical surfaces of the concave cover plates.

The invention relates to a minimally invasive spine surgical robot against nerve injuries, which consists of a mechanical arm, a moving unit and a main control system. The minimally invasive spine surgical robot is characterized in that the robot has the function of regional protection or a regional protection net, the former forms a region by taking a certain point away from nerves as the center, a surgical instrument can move freely in the region, but not exceed the periphery and the bottom surface of the region, the depth from the point to the bottom surface of the region is set to be equal to or slightly larger than the shortest distance from the point to the surface of the nerves, thereby preventing injuring the nerves; and the latter forms the regional protection net which is similar to the shape of the nerves by using a plurality of points nearby the surface of the nerves, the surgical instrument can move freely on the net, but not exceed the net downwards, thereby also preventing injuring the nerves. The minimally invasive spine surgical robot has the advantages of safety, reliability, high precision, high efficiency and effects of reducing the working intensity of a doctor, facilitating the medical training, carrying out remote surgery and the like, and is applicable to minimally invasive decompression surgery treatment of a plurality of spinal diseases, such as spinal fracture, spinal tumors and the like.

The invention relates to a non-coplanar radiotherapy system in the field of medical equipment, comprising: a radiation source, a frame, an image positioning system and a treatment couch. The base and the L-shaped rotating arm are connected by a rotating pair, and the L-shaped rotating arm and the C-shaped rotating arm are connected by a rotating pair. The radiation source is installed at one end of the C-shaped rotating arm, and the other end of the C-shaped rotating arm is installed with a dose verification device , The image positioning system includes two sets of X-ray imaging systems. The two sets of X-ray imaging systems are installed on both sides of the C-shaped rotating arm. The treatment bed corresponds to the rack installation and consists of a treatment bed board, a sliding table and a treatment bed support mechanism. A rotating pair is connected between the treatment bed board and the sliding table. The non-coplanar radiotherapy system of the present invention can be used for coplanar and non-coplanar radiotherapy of head and neck tumors, orthopedic tumors, spinal tumors, etc., and the gantry has a large range of motion and high flexibility.

The invention relates to a non-intermittent automatic operation type spinal minimally invasive robotic hand based on flank guidance, which comprises a base plate, an interface is arranged on the base plate, and is characterized in that: an endoscope lens, an aspirator and a Main lift mechanism. At the same time, the main lifting mechanism is connected with a bite-cutting device through the steering mechanism, the bite-cutting device is connected with the connecting seat, and the bite-cutting device includes a bite-cutting forceps. In addition, a guide tube is arranged in the bite-cutting forceps, a cam mechanism is connected to the bite-and-cutting forceps, the cam mechanism is connected with a bite motor through a connecting shaft, and a return spring is arranged between the connecting seat and the bite-cutting forceps. Furthermore, a cutting straw is arranged in the guide tube. Able to participate in the implementation of spinal surgery, especially to help medical staff perform various spinal surgeries such as spinal fractures, spinal tumors, scoliosis, intervertebral disc herniation, spinal stenosis, spondylolisthesis, etc. The overall application range is wide, the operation is simple, safe and reliable.

The invention discloses a spinal puncture guide needle, which is provided with a plurality of passages for radio-frequency electrodes to enter, the inlet end of the passage is located at the tail of the guide needle, and the outlet end of the passage is located at the head of the guide needle; among the plurality of passages Including at least one parallel passage and several inclined passages, the parallel passage and the inclined passage are parallel to each other at the inlet end, the parallel passage is kept parallel to the inlet end at the outlet end, the inclined passage is inclined at the inlet end at the outlet end, and the inclined passage is facing the same direction at the outlet end The sides are inclined, and the inclination angles of each inclined channel are different. The present invention precisely guides the insertion direction of the radio frequency electrode, realizes simultaneous multi-needle precise puncture and ablation of spinal tumors, makes the radio frequency electrode reach the predetermined vertebral body position according to the designed angle direction, can fully cover the entire vertebral body structure, and is disposable Ablation of all tumor tissues in the entire vertebral body achieves the effect of killing tumor cells in the entire vertebral body, shortens the operation time, and relieves the pain of the patient.