34 results about "Intervertebral foramen" patented technology

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 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.

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.

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.

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 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 utility model relates to the technical field of biopsy sampling, and provides an intervertebral foramen puncture lumbar intervertebral space biopsy sampling device which comprises a puncture needle, the outer side wall of the puncture needle is sleeved with a puncture cannula, the outer side of the top of the puncture cannula is in threaded connection with a first handle, and the top of the first handle is provided with a connecting sleeve; a trephine pipe is further installed on the inner side of the connecting sleeve, a second handle is installed on the top of the trephine pipe, the trephine pipe penetrates into the puncture cannula to be used for biopsy sampling, and scales are arranged on the outer side wall of the puncture needle and used for observing the insertion depth; through the arrangement of scales on the outer side of the puncture needle, a doctor can conveniently manage the insertion depth and position, follow-up sampling is facilitated, and through the arrangement of the puncture needle, the guiding effect can be achieved, and follow-up puncture cannula insertion and trephine tube sampling are facilitated.

The application discloses a thoracic dorsal root ganglion positioning method based on ultrasonic scanning and relates to the technical field of image recognition, and comprises the following steps: acquiring a magnetic resonance scanning image of a horizontal cross section of an intervertebral foramen / intervertebral space of a target thoracic vertebra segment, measuring the magnetic resonance scanning image, and acquiring a first distance; setting a needle insertion scheme and a second distance based on the first distance, pleural information and rib information; pre-scanning a target puncture area of a patient through ultrasonic waves, marking a dorsal root ganglion position and an ultrasonic probe position, and presetting a puncture point based on the second distance to complete thoracic dorsal root ganglion positioning. The application presets a puncture path and a needle insertion point according to a pleural position in the magnetic resonance scanning image (the pleura is avoided during the puncture process); measures a vertical distance from the needle insertion point to a surface projection line of a spinous process connecting line in the magnetic resonance image, and positions the puncture point on the surface of the patient in advance according to the vertical distance.

The invention discloses an intervertebral foramen mirror fixing device which comprises a supporting seat, a supporting vertical rod is arranged at the top of the supporting seat, the surface of the supporting vertical rod is movably sleeved with a first sliding ring, a horizontal auxiliary rod is arranged on one side of the first sliding ring, a first clamp is arranged at one end of a first sliding rail, and a second clamp is arranged at the other end of the first sliding rail. A second sliding groove is fixedly connected to the bottom of the connecting rod, a second sliding rail is movably connected into the second sliding groove in a sleeved mode, a second positioning hole is formed in the surface of the top of the second sliding groove, second elastic pins are arranged on the two sides of the top of the second sliding rail, and the second elastic pins are matched with the second positioning hole. A second clamp is arranged at one end of the second sliding rail, and a third clamp is arranged at the other end of the second sliding rail. Through the modularized clamp system and the flexible sliding mechanism, rapid switching and fixing of the puncture needle, the catheter and the intervertebral foramen mirror are facilitated, the operation preparation time is shortened, and the operation efficiency and flexibility are improved.

The auxiliary device comprises a tongue-shaped sleeve, a tongue-shaped opening is formed in the bottom end of the tongue-shaped sleeve, a locking buckle used for a spine endoscope is arranged at the top end of the tongue-shaped sleeve, riveting sleeves are arranged on the two sides of the tongue-shaped sleeve respectively, a riveting rod is arranged in each riveting sleeve, and the riveting rod is connected with the tongue-shaped opening. A channel formed by the locking buckle and the tongue-shaped sleeve is a channel of a foramen mirror and a trephine of the intervertebral foramen mirror operation, and a channel formed by the locking buckle and the riveting sleeve is an in-out channel of a riveting rod. The device is reasonable in structure and easy and convenient to operate, can play a guiding and angle positioning role on the sight glass and the trephine in the operation process, improves the operation safety, shortens the operation time and improves the operation success rate.

The invention relates to the technical field of surgical instruments, in particular to 360-degree foramen intervertebrale endoscope forceps which are used for solving the problem that an existing device is poor in angle adjusting effect, the 360-degree foramen intervertebrale endoscope forceps comprise handles, forceps bodies and forceps heads, one ends of the forceps bodies are axially and rotationally connected to the handles, the other ends of the forceps bodies are hinged to the forceps heads, and the two forceps bodies are symmetrically hinged to the ends of the forceps heads. A pull wire used for pulling the two pincer bodies to be combined is connected into the pincer bodies in a penetrating mode, when the pincer bodies rotate, the circumferential angles of the pincer bodies are changed, and when the pincer heads swing on the pincer bodies, the pitching angles of the pincer bodies are changed. The end, away from the plier body, of the pull wire is contained in the handle, when the pitch angle of the plier body is changed, the pull wire can be released or tightened, and therefore the plier body cannot be combined along with the change of the pitch angle of the plier head. The device can adaptively change the tightness degree of the stay wire when the angle is adjusted, and mistaken clamping of the clamp body is avoided.

To provide an intervertebral fusion device with a suitable bone graft lumbar vertebra.SOLUTION: Intervertebral fusion devices and their methods of use are described herein. Also described herein are interbody device systems and methods of use thereof. In some embodiments, the disc space often needs to be distracted to restore the space between the vertebrae, both to increase the height of the intervertebral foramen and to create lordosis. The system can deliver sufficient force through the minimally invasive access port to enlarge the space for any connective tissue that may continue to connect the vertebrae. In addition, the bone distraction method minimizes point loading and prevents endplate fracture through better contact surface area.SELECTED DRAWING: Figure 9

To provide a tool set for percutaneous extraforaminotomy capable of improving straightness and directionality in a process of percutaneously passing through a muscle layer to reach a target point for resecting the transverse foraminal ligament by installing a handle on a stylet member, a trocar, a cannula and a curette comprising a tool for extraforaminotomy, and facilitating change of direction (steering) during the ligament resection process, and treatment method using the tool set for percutaneous extraforaminotomy.SOLUTION: A tool set for percutaneous extraforaminotomy comprises: a stylet member 2 including an elongated probe 12, a guide pipe 18, a cap 14 and a hub body 22; a trocar including a groove, a needle and a first handle; a canula including a sleeve, a fixed shaft and a handle; and a curette including a rod, a resection tip provided at a distal end of the rod for peeling a ligament at a resection target point, scraping up residues of a primarily resected ligament and pushing them into an intervertebral foramen, and a second handle mounted on a mounting part of the cannula.SELECTED DRAWING: Figure 7

1. Name of the product in this design: Percutaneous endoscopic discectomy (2). 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 relates to the technical field of physiotherapy methods, in particular to an acupuncture method for deep puncture of intervertebral holes, which comprises the following steps: acquiring three-dimensional projection information of lumbar vertebra, and constructing a lumbar vertebra three-dimensional model based on the three-dimensional projection information; determining a body surface projection area of an intervertebral foramen and a corresponding puncture point in the body surface projection area based on a crista iliaca connecting line and a spinous process sequence in the lumbar vertebra three-dimensional model; performing a puncture test on the corresponding puncture point, and acquiring corresponding electrical stimulation puncture pressure feedback and non-electrical stimulation puncture pressure feedback of the corresponding puncture point at each depth in real time; determining a pressure feedback correction parameter of the corresponding puncture point under each depth according to the corresponding electrical stimulation puncture pressure feedback and non-electrical stimulation puncture pressure feedback under each depth; and calculating a real-time real pressure feedback value according to the pressure feedback correction parameter under the corresponding puncture depth. The puncture accuracy of the puncture needle is improved.

This disclosure presents a MITLIF procedure. The procedure uses a single incision on one side and pedicle screws are placed on that side and through the same incision a facet screw is placed on the opposite side using a series of jigs, and, for example, the hole cutter, drill, guide shaft and screw driver described herein.

Spinal surgery for implanting an intervertebral device and associated devices and systems are described herein. Representative spinal surgery may include obtaining access to a diseased disc of a patient's spine via a minimally invasive lateral, transpedicular, transarticular, or transforaminal access pathway. Various instruments may be inserted through the trocar to (i) remove some or all of the diseased disc, (ii) expand the intervertebral disc space around the diseased disc, (iii) insert an intervertebral device into the intervertebral disc space, and / or (iv) fill the intervertebral device with a filling material. Each of the above steps may be performed through a minimally invasive access path provided by a trocar. This may minimize destruction of the patient's muscles, thereby minimizing patient pain and recovery time.