50 results about "Intervertebral foramen" patented technology

The present invention discloses a flexible endoscope robot for minimally invasive intervertebral disc surgery, which relates to the technical field of minimally invasive intervertebral disc surgery. The present invention includes a flexible pipeline, and a negative pressure extraction tube and a flushing tube are arranged inside the flexible pipeline. A support tube is arranged at the insertion end of the negative pressure extraction tube, an inner sliding sleeve is slidably connected inside the support tube, a driving rope reel is rotatably installed inside the inner sliding sleeve, and multiple groups of crushing thin ropes are arranged on the outer side of the driving rope reel. The whole of the present invention adopts a flexible endoscope robot. When the puncture needle reaches the position of the intervertebral foramen, there is no need to gradually expand the outer opening of the intervertebral foramen level by level, and there is no need to resect part of the articular process joint or resect the lamina. After the flexible endoscope robot passes through the puncture needle, it directly bends into the intervertebral foramen, and then cooperates with the use of the clamping jaw and the negative pressure extraction tube to grab and aspirate the intervertebral disc herniation, which can reduce the damage to the bone joints, enhance the stability of the spine, and reduce the recurrence rate of the intervertebral disc.

A method and suture anchor for treatment of spinal stenosis. The method includes the steps of cutting off a muscle origin or insertion from a spinous process, cutting off the spinous process at the transition to the lamina arcus vertebrae, at least partial resection of the lamina arcus vertebrae and thereby decompression of the spinal cord within the foramen vertebral, performing osteosynthesis of the spinous process, and placing a suture anchor within the spinous process and reattaching the muscle origin or insertion to the spinous process. Further methods for spine stabilization are provided wherein suture anchors are used to implement a tension band wiring. Further methods for reduction of unwanted effects after spinal treatment are provided.

1. Name of the product in this design: Percutaneous endoscopic discectomy. 2. Purpose of this design: This design is used for observation, diagnosis and adjunctive treatment of spinal parts such as intervertebral foramina and intervertebral discs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present invention provides a 3D-printed titanium lumbar intervertebral retractor for minimally invasive transforaminal approach, belonging to the field of medical device technology. It includes a positioning needle, the outer side of which is slidably connected to a hollow cone head, the inner side of which is provided with a positioning groove, the outer side of which is fixedly connected to a protrusion, and the hollow cone head is connected to an expansion component for expanding and limiting the entrance to the surgical area. The present invention provides a reamer and a retractor. The reamer is inserted into the incision, the reamer is sleeved on the outer side of the handle, slid down to the outer side of the reamer and inserted into the incision to expand the incision. The retractor is sleeved on the outer side of the reamer and slides downward into the incision to further expand the incision. When inserted into the incision, the center points of the retractors on both sides are aligned with the two ends of the incision, so that the retractor, the reamer and the incision are matched, thereby facilitating the insertion of the retractor into the incision and reducing the difficulty of inserting the retractor into the incision.

A lumbar facetectomy guide includes a trajectory drill guide, a transforaminal rectangular cannula, and a stereotactic block, the stereotactic block including a first channel for receipt of the trajectory drill guide and a second channel for receipt of the transforaminal rectangular cannula.

The invention provides a 3D printing titanium lumbar intervertebral retractor for minimally invasive transforaminal approach, and belongs to the technical field of medical instruments. Comprising a positioning needle, a hollow conical head is slidably connected to the outer side of the positioning needle, a positioning groove is formed in the inner side of the hollow conical head, a protruding block is fixedly connected to the outer side of the hollow conical head, and the hollow conical head is connected with an expansion assembly for expanding and limiting an entrance of an operation area. By arranging the reaming piece and the retracting piece, the positioning needle is inserted into the incision, the reaming piece is arranged on the outer side of the handle in a sleeving mode, slides to the outer side of the positioning needle and stretches into the incision to expand the incision, and the retracting piece is connected to the outer side of the reaming piece in a sleeving mode and slides downwards to stretch into the incision to be further expanded; the central points of the retracting pieces on the two sides are aligned with the two ends of the incision, so that the retracting pieces are matched with the reaming pieces and the incision, the retracting pieces can stretch into the incision conveniently, and the difficulty that the retracting pieces stretch into the incision is lowered.

The utility model relates to the technical field of lumbar intervertebral puncture positioning, in particular to a lumbar percutaneous intervertebral foramen endoscope puncture positioner which comprises a telescopic rod, a transverse rod, a moving assembly, a fixing assembly and an angle adjusting assembly. The angle adjusting assembly comprises a first arc-shaped seat, a first adjusting assembly, a second arc-shaped seat, a second adjusting assembly and a puncture sleeve, the two locking pieces are driven by the driving component to move, then the locking pieces are moved out of the locking grooves and are retracted into the bottom of the sliding block, and at the moment, the sliding block can drive the second arc-shaped seat to slide along the first arc-shaped seat; and then the puncture cannula is driven to slide along the second arc-shaped seat in the same way, then the angle of the puncture cannula in the vertical direction is adjusted, and after the angle of the puncture cannula is adjusted in place, a puncture needle is placed through the puncture sleeve for puncture operation, so that the disclosure of the puncture cannula is flexibly adjusted. And the puncture flexibility and accuracy are improved.

The utility model discloses a waterproof protective sleeve for a foramen intervertebrale mirror, which relates to the technical field of medical instruments and comprises a waterproof sleeve, the waterproof sleeve is sleeved on the foramen intervertebrale mirror, and two ends of the waterproof sleeve are fixed on the foramen intervertebrale mirror. The waterproof sleeve is made of a transparent material and can conduct waterproof treatment on the intervertebral foramen mirror, after wrapping, due to the fact that the waterproof sleeve is made of the transparent material, the positions of the keys can be seen clearly, operation is convenient, and the front end opening of the waterproof sleeve is smaller than the rear end opening and is in a horn mouth shape. The foramen intervertebrale mirror is provided with the loudspeaker, the foramen intervertebrale mirror can be sleeved with the loudspeaker more quickly, the foramen intervertebrale mirror is adaptive to the shape of the foramen intervertebrale mirror, wrapping is tighter, the waterproof effect is better, the first mucous membrane strip is fixedly installed at the front end of the waterproof sleeve, and the first mucous membrane-free area is arranged at the end of the first mucous membrane strip.

An implant system comprising at least one staple, a cage and a coupling mechanism is disclosed. The implant system is secured to the bone by moving the staple with the coupling mechanism whereby the staple frictionally and mechanically engages or embeds itself in the bone. In some embodiments, the coupling mechanism includes a keyway mechanism to constrain the movement of the staple. In some embodiments the staple comprises two staples. The implant system may be configured for use as an interbody or intrabody implant system. In some embodiments, the cage comprises multiple cage sections. Some embodiments of the implant system are configured to be positioned from one of a posterior approach trajectory, a posterior lateral approach trajectory, or a posterior oblique approach trajectory. Some embodiments of the implant system are configured for use in a posterior lumbar interbody fusion (PLIF) or transforaminal lumbar interbody fusion (TLIF) procedure.

The utility model relates to an intervertebral foramen endoscope puncture outfit with injection, positioning and diversion functions, the puncture outfit is of a needle-shaped structure formed by a fillet at the front end of a conical cylinder, and a blunt head part is formed at the fillet part; the outer diameter of the front end of the conical cylinder is 5mm, the outer diameter of the rear end of the conical cylinder is 6mm, and the length of the conical cylinder is 300mm; a central hole and a diversion hole which are axially through are formed in the conical column body, the central hole is located at the central axis position of the conical column body, and the diversion hole is located at the eccentric position of one side of the central hole; an eccentric injector inserting hole is formed in the rear end of the conical cylinder, the rear end of the center hole is located in the injector inserting hole, the injector inserting hole is communicated with the center hole, and the injector inserting hole is not communicated with the diversion hole. Good tactile feedback of a blunt object is utilized, and the hand feeling of a doctor is combined to assist the puncture outfit in quick positioning, so that the perspective frequency is reduced, radiation injury is reduced, and the puncture outfit has the functions of puncture, anesthetic injection, quick positioning and accurate diversion, and belongs to an intervertebral operation auxiliary instrument.

This invention discloses a sleeving drill for an eccentrically adjustable percutaneous endoscopic discectomy (PED) with a bony passage. It includes a hollow sleeving into which a PED can be inserted. The end of the sleeving extending into the intervertebral foramen has an open tongue with a spiral cutting edge on its periphery. The open tongue has serrations on both sides near its root. The inner channel of the tongue is eccentrically positioned, with the cutting edge located on the thicker side. This invention, upon detecting a deviation in the bony passage, rotates the sleeving, causing the tongue to rotate as well. The spiral cutting edge then continuously corrects the direction, rotating and grinding away bone to allow entry. This effectively solves the problems of bony passage angular deviation and bone hyperplasia. Otherwise, the passage would have to be reconstructed from scratch, which is time-consuming and laborious. Because of the angular deviation in the bony passage, the difficulty of reaching the surgical site with endoscopic instruments is increased, making it difficult to completely remove nerve compression material, thus affecting the success rate of the surgery or increasing the risk of postoperative recurrence.

1. Name of the design product: Intervertebral foramen endoscope. 2. Use of the design product: For observing, diagnosing and assisting in the treatment of spinal regions such as the intervertebral foramen and intervertebral disc. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Perspective view 1.

The utility model relates to the technical field of surgical instruments, and discloses a combined cannula for an intervertebral foramen endoscope operation, which comprises a protective tube seat and a protective cannula connected with the protective tube seat, and the tube seat is disc-shaped and is rotatably connected with a working tube seat. A circular groove is formed in the bottom of the working pipe seat, a working sleeve is arranged in the circular groove and communicated with the working pipe seat, and the working sleeve is inserted into the protective sleeve. By means of the design that the working tube base is rotationally connected with the working sleeve, the round groove in the bottom of the working tube base wraps and protects the tube base, the operation sleeve can rotate flexibly in the using process, and the convenience and efficiency of an operation are improved. The working cannula can be flexibly inserted into the protective cannula, combined use is convenient, stability of the operation cannula is guaranteed, possible damage to cartilage tissue and vascular nerves in the operation process is effectively avoided, safety and accuracy of the operation are guaranteed, and the operation cannula has the advantages of being easy and convenient to operate, safe, reliable, accurate and efficient, and has wide application prospects. And the requirements of modern operations on high efficiency, safety and accuracy can be met, and wide market application prospects are achieved.

The application provides a spine screw placement preoperative planning quality control method, an electronic device and a computer storage medium. By constructing boundary models of key risk objects such as pedicle cortex, spinal canal, intervertebral foramen and superior articular facet joint surface, combining preoperative screw placement planning data to calculate quantitative indicators such as minimum safety distance, predicted breaking amount and breaking direction, and inputting structured feature vectors and local image features of the planning channel into a risk assessment model to output risk assessment results, the safety hazards of screw placement can be accurately identified for complex cases such as pedicle morphology variation, degeneration or deformity. At the same time, the deficiencies of the existing planning system, such as the lack of quantitative quality control and grading early warning mechanism, can be made up. High-risk planning schemes can be prompted in time, and objective basis for path correction can be provided, so as to improve the accuracy, safety and standardization of spine screw placement preoperative planning.

The utility model relates to the technical field of medical instruments, in particular to a centrum trailing edge filing head and a bone file, the centrum trailing edge filing head comprises a file head and a connecting rod, the file head comprises a tool bit main body and filing teeth, and the filing teeth extend to one side face, facing the connecting rod, of the tool bit main body along the top of the tool bit main body. The side face, away from the connecting rod, of the tool bit body is a toothless smooth face. When the centrum trailing edge file head is used, the file head penetrates through an intervertebral foramen, the file teeth composed of the first arc-shaped teeth, the straight teeth and the second arc-shaped teeth can grind the side wall of a spine, grinding treatment positions are more, and the centrum trailing edge file head is flexible and convenient to use. The bone file comprises the vertebral body trailing edge file head, the input shaft is driven by an external motor to rotate in one direction, the reciprocating conversion connecting rod is driven to rotate to drive the file handle to swing in a reciprocating mode, then the file head swings in a reciprocating mode, grinding of a position to be ground is achieved, grinding efficiency is high through grinding in the reciprocating swinging mode, and the grinding efficiency is high. And the selection of grinding positions is more flexible.

The utility model relates to medical auxiliary instrument especially adjustable intervertebral foramen forming stabilizing device, including horizontal pole, rotating component, support rod, lower hanging rod, angle adjusting assembly and sleeve etc. The utility model is provided with support rod, horizontal pole, lower hanging rod, rotating component and angle adjusting assembly, is fixed through a plurality of bolts, need not doctor manual fixed ring saw to be able to stably, safely, effectively and grind off upper articular process ventral side, thereby good realization intervertebral foramen forming, through height adjustment and multi -angle adjustment, can adjust the position and angle of sleeve according to patient demand and operation requirement, improve the applicability of this stabilizing device.

The utility model discloses a foramen intervertebrale endoscope bone wax applicator which comprises a foramen intervertebrale endoscope body and a sleeve located in the foramen intervertebrale endoscope body, an applying device is arranged on the outer surface of the sleeve and comprises a spherical applying head, and the spherical applying head moves to apply bone wax to an operation area. According to the bone wax applicator under the foramen intervertebrale endoscope, a processing device is arranged, bone wax is pushed to an applying area, a cylinder and a sleeve are fixedly installed, a motor drives a gear to rotate, the gear rotates to drive a rack to move in the cylinder which is connected in a sliding and inserted mode, the cylinder is connected with a rotating groove in a sliding and inserted mode through a supporting rod, and a sleeve rod moves in the cylinder; the design of the threaded groove facilitates more uniform pushing of the bone wax, the control button is used for controlling starting of the motor and is fixed to the outer surface of the handle, a user can conveniently press and operate the handle when holding the handle, and the bone wax smearing device has the effect of conveniently smearing the bone wax on the bleeding cancellous bone.

The utility model discloses a punching guide needle for a transforaminal endoscope minimally invasive surgery, which relates to the technical field of medical instruments and comprises a handle and a pull handle. A guide rod is fixed to the middle of the right side face of the handle, a mounting groove is formed in the handle, through grooves are formed in the two sides of the top face of the handle, the handle is correspondingly connected with the interior of the mounting groove in an inserted mode, and a needle body is fixed to the middle of the right side face of the handle and slidably connected with the interior of the guide rod; the perforating guide needle for the intervertebral foramen endoscope minimally invasive surgery further comprises a locking rod and a locking hole, the locking rod is in sliding connection with the interior of the through groove, according to the perforating guide needle for the intervertebral foramen endoscope minimally invasive surgery, the locking rod is matched with the locking hole so that the needle body can be fixed conveniently, meanwhile, after the needle body is pulled out, a subsequently-installed pipe body can be clamped, and therefore the pipe body is prevented from loosening; and the position of the limiting disc can be adjusted through the sliding adjusting frame, so that personnel can effectively limit the insertion depth of the guide rod conveniently.

The utility model relates to the technical field of surgical instruments, and discloses a conical bone drill for intervertebral foramen endoscope surgery, which comprises a bone drill rod and a drill bit, the drill bit consists of a blunt end, a primary spiral cutting edge and a secondary spiral cutting edge, and the blunt end, the primary spiral cutting edge and the secondary spiral cutting edge are integrally processed. And the first-stage spiral cutting edge and the second-stage spiral cutting edge are conical. The design of the bone drill fully considers the pain feeling of a patient in the operation process and the operation efficiency and safety. Due to the conical gradual change structure, the bone drill can finish smooth transition from a small diameter to a large diameter in one-time operation, so that the pain frequency of a patient caused by multiple times of reaming is greatly reduced, and the pain feeling of the patient is reduced. And the operation risk and the time cost caused by replacement of bone drills with different sizes are avoided. According to the conical bone drill for the intervertebral foramen endoscope operation, the pain feeling of a patient is reduced, the operation efficiency is improved, the safety and the reliability of the operation are guaranteed, and a more ideal operation tool is provided for the spine intervertebral foramen endoscope operation.

This application relates to a set of intervertebral foramen rapid prototyping instruments for reaming and forming the intervertebral foramen on the ventral side of the superior articular process of the lower vertebra. The set includes: a tongue-shaped rod, whose head extends into the spinal canal through the intervertebral foramen and abuts eccentrically against the ventral side of the superior articular process; a fixing needle, which penetrates the middle hole of the tongue-shaped rod along the axial direction of the tongue-shaped rod and is screwed into the superior articular process by rotation; a protective sheath, which slides into the intervertebral foramen along the outside of the tongue-shaped rod and pushes aside the surrounding neurons; a trephine, which is sleeved outside the tongue-shaped rod and is located between the tongue-shaped rod and the protective sheath, and feeds along the axial direction of the tongue-shaped rod, rotates and cuts through the superior articular process, and separates a bone block that is threadedly fastened to the fixing needle in one step. The fixing needle takes away the bone block in the reverse direction to expand the intervertebral foramen, and the arthroscope probes into the spinal canal through the intervertebral foramen for observation. Thus, one-step forming of the intervertebral foramen reaming is achieved, and at the same time, damage to the surrounding neurons is avoided.

An implant system comprising at least one staple, a cage and a coupling mechanism is disclosed. The implant system is secured to the bone by moving the staple with the coupling mechanism whereby the staple frictionally and mechanically engages or embeds itself in the bone. In some embodiments, the coupling mechanism includes a keyway mechanism to constrain the movement of the staple. In some embodiments the staple comprises two staples. The implant system may be configured for use as an interbody or intrabody implant system. In some embodiments, the cage comprises multiple cage sections. Some embodiments of the implant system are configured to be positioned from one of a posterior approach trajectory, a posterior lateral approach trajectory, or a posterior oblique approach trajectory. Some embodiments of the implant system are configured for use in a posterior lumbar interbody fusion (PLIF) or transforaminal lumbar interbody fusion (TLIF) procedure.

The invention relates to the technical field of medical instruments, in particular to a vertebral plate non-fusion fixing device which comprises a vertebral plate fixing body. The upper supporting surface of the vertebral plate fixing main body is also provided with a backward movement prevention bulge; the anti-backward-movement bulge is of a triangular structure and is matched with the triangular three-dimensional space at the lower dome position of the vertebral plate in shape; and the backward movement prevention bulge is in direct contact with the lower dome of the vertebral plate so as to prevent the fixing device from moving towards the vertebral body of the spine. The vertebral plate non-fusion fixing device is installed at the vertebral plate gap position of adjacent vertebral bodies in the spine posterior non-fusion operation in a matched mode, the vertebral plate gap is expanded and fixed, and the folded posterior longitudinal ligament and the fibrous ring are stretched, so that the spinal canal stenosis degree is reduced, meanwhile, the upper diameter and the lower diameter of intervertebral foramen of the same section are increased, the nerve root canal cross section area is enlarged, and the spinal canal stenosis degree is improved. The nerve root stress is relieved. The fixing device can further enhance the stability of the spine at the segment, and meanwhile the spine motion range of the segment is reserved.

The utility model discloses an intervertebral foramen visual trephine which comprises a trephine tube and a second clamping seat, and relates to the technical field of medical instruments. According to the visible trephine for the foramen intervertebrale, the trephine pipe is arranged to be hollow, so that an endoscope can be easily inserted into the trephine pipe, cooperative work under the visible condition is facilitated, the safety of an operation is improved, the positioning end is arranged at the end of the catheter, and the positioning end can cover the length range of a hyperplasia focus in advance in a non-contact semi-arc mode; secondly, the positioning ring, the first clamping seat and the second clamping seat which can be locked and adjusted are arranged on the surface of the catheter, so that the progressive cutting distance of the trephine tube can be adjusted according to the position and the length of the focus, and the cutting accuracy is improved. And the trephine pipe can finish progressive cutting with the consistent accurate length through the follow-up advancing abutting fit of the cross-shaped handle and the second clamping seat.

1. The name of the design product: intervertebral foramen mirror (spinal surgery). 2. The use of the design product: for observing, diagnosing and assisting treatment of intervertebral foramen, intervertebral disc and other spinal parts. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

A transforaminal lumbar interbody fusion device 10 comprises an elongate implant body 12 having opposed first and second ends 14, 16. The implant body 12 has a longitudinal axis 17. The body 12 defines a slot 18 between the first and second ends 14, 16. The slot 18 divides the implant body 12 into a first body part 20 having a first surface 22 and a second body part 24 having a second surface 26. The first surface 22 faces in a first direction A and the second surface 26 faces in an opposite direction B. The body parts 20, 24 are biased towards a configuration wherein the surfaces 22, 26 are closer to one another. The slot 18 is configured to receive an actuator for urging the body parts 20, 24 to a configuration wherein the surfaces 22, 26 are further away from each other. The device 10 comprises first and second pivot formations 30, 32 on an axis 34 transverse to the longitudinal axis 17 and on the first and second surfaces 22, 26 respectively.WO

The present application relates to the technical field of spine CT image processing, and particularly relates to a method for locating dorsal root ganglion under intervertebral foramen contrast based on deep learning. The present application inputs multiple spine CT images of different scanning angles into a neural network model by a user, so as to obtain a neural recognition area of each spine CT image and an image area of the dorsal root ganglion under a corresponding compression state at different scanning angles; a de-overlapping processing is implemented based on a gray level activation difference of multiple pooling layers, so as to determine an actual outer boundary of the neural recognition area; according to a corresponding relationship between the image area of each spine CT image and an intervertebral space, a credibility label is marked on a position of the dorsal root ganglion in the actual outer boundary; and according to the credibility label result of the position of the dorsal root ganglion, the dorsal root ganglion of the user is visually displayed. The present application can reduce the technical problem that the peripheral morphologically similar tissues of the dorsal root ganglion affect the recognition accuracy.

The utility model belongs to the technical field of plugging devices, and particularly relates to a thoracic vertebra foramen intervertebral plugging device which comprises a column body, a main umbrella, an auxiliary umbrella and a connecting device, and the main umbrella and the auxiliary umbrella are located on the two sides of the column body respectively. Connecting devices are arranged on the surfaces of the column body, the main umbrella and the auxiliary umbrella and comprise two moving blocks, the surfaces of the two moving blocks are slidably connected with the inner wall of the column body, four inserting columns are fixedly connected to the ends, away from each other, of the two moving blocks, a sealing device is arranged on the side wall of the column body and comprises a sealing disc, and the sealing disc is located on one side of the column body; two limiting blocks are fixedly connected to the positions, close to the column body, of the side wall of the sealing disc, and the two limiting blocks are inserted into the inner walls of the two clamping grooves in the surface of the column body; by means of the whole device, complications of cerebrospinal fluid pleural leakage, pleural effusion and postoperative infection can be reduced, the average hospitalization day and hospitalization cost are reduced, great significance is achieved for relieving pain of patients, and popularization of such operations is facilitated.

The application discloses an intervertebral foramen mirror device with a movable positioning working sleeve, which comprises an intervertebral foramen mirror and a working sleeve connected with the intervertebral foramen mirror through a positioning connector, and the working sleeve is moved along the horizontal direction through the positioning connector and is detachably connected with the intervertebral foramen mirror; the positioning connector comprises a guide rod fixed on the working sleeve, a mounting seat inserted with the guide rod and a dismounting assembly arranged in the mounting seat; a moving button assembly is mounted on the mounting seat, the mounting seat and the guide rod do not interfere with each other by pressing the button assembly, at this time, the working sleeve can be moved along the length direction of the guide rod; the mounting seat and the intervertebral foramen mirror do not interfere with each other by pressing the dismounting assembly, at this time, the intervertebral foramen mirror and the working sleeve are dismounted. According to the application, the position of the intervertebral foramen mirror in the working sleeve is adjusted, the positioning is convenient, the working sleeve and the intervertebral foramen mirror are dismounted and mounted at any time, and the cleaning and disinfection are convenient.

1. Name of the product in this design: Percutaneous endoscopic discectomy (1). 2. Purpose of this design: This design is used for observation, diagnosis and adjunctive treatment of spinal parts such as intervertebral foramina and intervertebral discs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a precise positioner for a minimally invasive channel of an intervertebral foramen endoscope, and relates to the technical field of minimally invasive positioning of the intervertebral foramen endoscope. Four rectangular grooves are formed in the upper end of the bearing plate, and threaded grooves are formed in the two ends of each rectangular groove correspondingly. The thorax and abdomen are jacked up to enable the lumbar vertebra to protrude backwards, a target intervertebral space or a vertebral plate is directly exposed, shielding of soft tissue is reduced, by means of body position adjustment, a doctor can conveniently and rapidly position an operation part through imaging equipment (such as X-ray or CT), preoperative preparation time is shortened, light spots irradiated by an irradiation tube can be conveniently aligned to the minimally invasive lumbar vertebra position of a patient for positioning, and the patient can be conveniently and rapidly positioned. The two limiting plates stably clamp the two sides of the patient to avoid waist displacement, and the problems that irradiation light spots need to be accurately positioned on the lumbar vertebra of the patient due to the fact that the lumbar vertebra of the patient needs to be subjected to minimally invasive surgery, and the light spots cannot be accurately positioned at the minimally invasive lumbar vertebra position due to the fact that the waist of the patient cannot be temporarily limited to displace are solved. Therefore, the problem that a doctor cannot accurately perform minimally invasive surgery on the lumbar vertebra of a patient is solved.