15 results about "Lumbar surgery" patented technology

The invention relates to the technical field of medical instruments, in particular to an active variable bush-hook of a cervical and lumbar surgery instrument and an application method of the active variable bush-hook. The variable bush-hook comprises a handle assembly and a variable bush-hook assembly which are connected with each other. The variable hook knife assembly comprises an angle-adjustable hook knife; by operating the handle assembly, the hooked knife can be driven to change the angle, and the cutting action on target tissue is achieved through manual force application. Through the specific structure connection and transmission design, the exposure angle of the cutting part of the hook knife can be changed, automatic resetting can be achieved, and precise, safe and active cutting of the hooked vertebra joint ligament or the posterior longitudinal ligament in the deep narrow space is achieved.

The invention discloses a lumbar surgery AI dynamic simulation system and decision making method based on multi-modal data fusion, and belongs to the field of medical artificial intelligence, the technical scheme is that the system comprises a multi-modal data input interface, a dynamic modeling engine, a surgical decision making matrix and a three-dimensional comparison unit, and specifically, CT / MRI, electromyogram and gait mechanics data are fused; constructing a spinal canal 4D model through improved U-Net < 3 + >, and predicting a nerve root dynamic path by means of GCN-LSTM; and in combination with a lumbar stenosis type, matching an adaptive operation form, and generating a pre-operation and post-operation quantitative comparison report marked by three colors. A spinal canal-nerve-biomechanics dynamic correlation model is innovatively established, 217 L4-S1 segment anatomical variation templates are arranged in the model, and the anatomical variation adaptation rate reaches 92.3%. Clinical test results show that the operation time planned by the system is averagely shortened by 26 minutes, and the postoperative reoperation rate is reduced to 2.4%.

The utility model provides a distraction device for lumbar surgery, which relates to the technical field of distraction devices for lumbar surgery, and comprises a distraction device, the side surface of the distraction device is rotatably connected with a clamping strip, the side surface of the distraction device is provided with a convenient distraction device, and the side surface of the distraction device is provided with an anti-falling device. The anti-falling device comprises a rectangular plate which is fixedly connected, a clamping plate is rotationally connected to the side face of the rectangular plate, a clamping block is fixedly connected to the side face of the dilator, a clamping rod is inserted into the side face of the rectangular plate, one end of the clamping rod is inserted into the clamping plate, and a round strip is fixedly connected to the side face of the clamping strip. A rubber strip is fixedly connected to one end of each clamping plate, a spring is arranged on the surface of each clamping rod in a sleeving mode, and the side face of each spring is fixedly connected with one end of the corresponding clamping rod on the side face of the corresponding rectangular plate, so that the problem that the lumbar vertebrae cannot be distracted due to the fact that the distracter has no place to be opened is solved.

The utility model discloses a kind of pulling distraction devices for lumbar UBE operation, it is related to medical instrument technical field, including left forceps body and right forceps body. One end of left forceps body is equipped with in-vivo extension piece, in-vivo extension piece is connected with placement part, and placement part is equipped with bone surface embedding body;Right forceps body is rotatably connected with left forceps body and can be relatively fixed, one end of right forceps body is equipped with pulling part, and pulling part is connected with distraction extension body. Among them, bone surface embedding body is located at the side of placement part away from right forceps body, and distraction extension body is set to the side away from left forceps body. The above-mentioned pulling distraction device for lumbar UBE operation, the fixed part of left forceps body is used to place in the upper vertebral plate and articular process joint medial bone surface polished by abrasive drill, and is embedded into bone surface by bone surface embedding body, and the distraction extension body of right forceps body is used to extend into ventral running nerve root, and the nerve root and dural sac can be appropriately pulled apart by the pulling part of right forceps body, expose operation visual field, without the help of assistant.

The utility model relates to the technical field of spinal surgery auxiliary tool, concretely is a kind of auxiliary lumbar spondylolisthesis pull reset instrument, including fixed frame, two rotating arms are symmetrically installed on fixed frame, the lower end of rotating arm is installed with end screw, the upper end of rotating arm is rotatably connected with fixed frame, rotating arm is connected fixed between the middle part of rotating arm by adjusting component, the upper end of rotating arm is installed with fastening lock cap. In the auxiliary lumbar spondylolisthesis pull reset instrument, in the existing lumbar surgery, for the indirect reset method of commonly used nail rod system of 2 degrees or more lumbar spondylolisthesis patient, when facing the patient with combined osteoporosis, it is easy to lead to reset failure due to the decrease of fixed strength, causes postoperative lumbago, lower extremity neurological symptoms and other problems. The instrument adopts the mode of directly anchoring bilateral pedicle screws, first pull reset and then rod locking, compared with traditional indirect reset, effectively avoid the drawbacks of mechanical transmission loss and unstable fixation, can realize more accurate and stable reset.

The lumbar postoperative incision pressurizing waistband comprises a pressurizing layer and a flexible conducting layer which are arranged up and down, and the other faces, except for the bottom face, of the pressurizing layer are all coated with restraint layers; a heat insulation layer and a heating layer for providing a warming auxiliary function are sequentially arranged on the bottom surface of the flexible conducting layer; the heating layer is electrically connected with a controller used for regulating and controlling the heating temperature of the heating layer, and a temperature sensor capable of feeding back the current temperature of the heating layer to the controller in real time is further arranged in the heating layer; the left side and the right side of the restraint layer are each provided with a fixing band in a sewing mode, each fixing band is detachably connected with a waistband, and the tail ends of the two waistbands are each provided with a hook-and-loop fastener in a sewing mode so that the two waistbands can be connected conveniently. Uniform and controllable vertical pressure is applied to tissues on the two sides of an incision through the inflation pressure of the air bags on the two sides, the pressure can be dynamically adjusted and monitored in real time, meanwhile, the constant-temperature heating function is achieved, incision healing is promoted, and the device is particularly suitable for incision pressurization nursing of a lumbar vertebra postoperative patient.

The utility model discloses a position pad beneficial to reducing abdominal pressure, which comprises a fixing plate, a bearing part and a supporting part, and is characterized in that the fixing plate is of a rectangular plate-shaped structure; the bearing parts are arranged on the fixing plate, the two bearing parts are located on the two sides of the upper surface of the fixing plate, and a first gap is formed between the two bearing parts; the supporting parts are arranged on the fixing plate, the two supporting parts and the two bearing parts are oppositely arranged, a first gap is formed between the two supporting parts, a second gap is formed between the supporting parts and the bearing parts, and the upper surfaces of the supporting parts and the upper surfaces of the bearing parts are curved surfaces. The supporting part is adopted, abdomen suspension of a lumbar surgery patient is facilitated, intraspinal venous plexus pressure is reduced, the adaptation disease range is wide, and a lumbar posterior operation surgery is achieved. The supporting part is adopted, operation is easy and convenient, the effect is good, bleeding in an operation is reduced, operation operation is convenient, and bone cement injection or internal fixation maintaining at an ideal position after reduction is facilitated.

The invention discloses a personalized nursing training instrument for spinal post-operation function recovery, and belongs to the technical field of medical auxiliary instruments, the personalized nursing training instrument comprises a support frame and a support plate horizontally arranged on the support frame, the support plate is detachably connected with the support frame, one end of the support plate is provided with a head adjusting mechanism, and the other end of the support plate is provided with a head adjusting mechanism. The head adjusting mechanism is hinged to the supporting plate, a back training mechanism for training the back is arranged in the middle of the supporting plate, the back training mechanism is in sliding fit with the supporting plate, and a leg training mechanism for training the legs is arranged at the other end of the supporting plate. According to the length of a patient and an operation area, if a lumbar surgery patient needs to avoid an operation part, muscles on the two sides of the waist are emphatically trained, the moving range of the massage structure is adjusted, and compression on the non-healing part after the surgery is avoided; the massage structure can flexibly adjust the massage strength and frequency by adjusting the cooperation of a motor and a cam.

The invention discloses a safe fiber ring exposure device in a lumbar posterior approach operation, and belongs to the technical field of medical apparatuses and instruments. The baffle ring is placed in a lumbar vertebra posterior open surgery operation area so as to expand operation area tissue and isolate nerve roots and dural sacs. A suction pipe and a liquid injection pipe are fixedly connected to the baffle ring; the baffle ring comprises a rigid ring body; a plurality of liquid suction holes are formed in the circumferential curved surface of the inner side of the rigid ring body, a second cavity is formed between the inner side and the outer side of the rigid ring body, and the liquid suction holes are communicated with the interior of the second cavity. Compared with the prior art, the safe fiber ring exposure device in the posterior lumbar surgery can fully and safely block nerve roots and dural sacs on the periphery of a surgery operation area, so that an operator can easily and safely carry out nucleus pulposus removal and fusion cage placement operation. And meanwhile, the device can timely and completely absorb blood in an operation area, so that the view is prevented from being blocked by the blood, and great convenience is brought to operation of an operator.

An electrode assembly comprises a base with first and second arms extending from opposite sides of the base, and which, in combination, define an arc. First and second electrically conductive electrodes extend along the inner surface of the first and second arms. Each electrode can comprise a single length of foil can or multiple discrete foil segments. The foils are electrically isolated from each other. Electrical wires electrically connect the foils electrically to a signal monitor. When the electrode assembly is applied to a nerve, the foils, in combination, substantially surround the nerve, with the first and second electrodes being on opposite sides of the nerve from each other. Also disclosed is a method of using the electrode assembly to monitor a nerve during a lumbar spinal surgery while the patient is anesthetized and paralyzed.

The utility model belongs to the technical field of lumbar postoperative rehabilitation, particularly relates to a multifunctional waistline used after a lumbar surgery, and aims to solve the problem that patients with different body types feel uncomfortable in the using process due to the fact that an existing traditional waistline is supported by a steel plate or a hard material with a certain radian and is lack of adaptive adjustment on the waist of the patient. According to the technical scheme, the waist support belt comprises a waist support belt, elastic belts are fixedly connected to the two sides of the waist support belt, a plurality of inflatable air bags are arranged at equal intervals to support the waist of a patient, the waistline can be adaptively adjusted according to the waist shape of the patient and the rehabilitation requirement, stable and reliable support and protection are provided for the patient, and the patient is protected. The hook-and-loop fastener male face and the hook-and-loop fastener female face are connected in an adhering mode so that the waistline can be conveniently fixed to the waist of a patient, and the rehabilitation process is further accelerated by arranging the medicine applying bag used for containing postoperative beneficial recovery medicine and the medical magnets capable of generating a weak magnetic field.

The invention relates to the technical field of lumbar surgery instruments.The instrument comprises two pulling legs with the middle ends rotationally connected with each other, two switching legs and two retractor assemblies, each switching leg comprises a switching sleeve, the side wall of the upper end of each switching sleeve is fixedly connected to the end of the corresponding pulling leg, and the side wall of the lower end of each switching sleeve is fixedly connected to the end of the corresponding pulling leg; a stepped hole is formed in the lower end; the upper ends of the transfer rods coaxially abut against the lower ends of the corresponding transfer sleeves, and the upper ends of the drag hook assemblies are fixedly connected to the lower ends of the corresponding transfer rods; the upper end of the adapter shaft extends into the stepped hole, the lower end of the adapter shaft is fixedly connected to the adapter rod, and the adapter shaft is rotationally and slidably connected to the adapter sleeve; the spring is located in the stepped hole and arranged on the adapter shaft in a sleeving mode, the lower end of the spring abuts against a hole shoulder of the stepped hole, and the upper end of the spring abuts against the end of the adapter shaft. The technical problems that in the prior art, a drag hook can only conduct the traction action and cannot achieve the distraction action, and the function is relatively single can be solved.

The utility model discloses a disposable lumbar intervertebral bone grafting device and accessories thereof, and relates to the technical field of medical instruments. The bone grafting pipe is vertically arranged at the top of the base and is used for accommodating an autogenous bone; the limiting push rod is used in cooperation with the bone grafting tube, the autogenous bones in the bone grafting tube can be pushed to a lumbar surgery area, it can be ensured that a surgeon can clearly evaluate the number of the autogenous bones, the filling amount is accurately controlled, unnecessary problems caused by excess are prevented, and the situation that the fusion effect is poor due to insufficiency is avoided. A proper amount of autogenous bone is accurately filled in the lumbar intervertebral space, so that a better bony fusion effect between the lumbar intervertebral bodies can be promoted, the risk of post-operation vertebral body collapse is remarkably reduced, the formation of lumbar intervertebral artificial joints is effectively prevented, and a solid foundation is laid for the rehabilitation path of a patient.

Assemblies of one or more implant structures make possible the achievement of diverse interventions involving the fusion and / or stabilization of the SI-joint and / or lumbar and sacral vertebra in a non-invasive manner, with minimal incision, and without the necessitating the removing the intervertebral disc. The representative lumbar spine interventions, which can be performed on adults or children, include, but are not limited to, SI-joint fusion or fixation; lumbar interbody fusion; translaminar lumbar fusion; lumbar facet fusion; trans-iliac lumbar fusion; and the stabilization of a spondylolisthesis.

The utility model relates to the technical field of lumbar surgery instruments, in particular to a lumbar surgery sheet. The surgical drape comprises a single body, and a hollow area is arranged on the single body. The transparent film is arranged on the single body to cover the hollowed-out area, and the transparent film is provided with a puncture hole located in the hollowed-out area; the flow guide part surrounds the puncture hole and is arranged on the transparent film to form a flow guide bulge, and the flow guide part is provided with a flow guide opening; the water collecting bag is arranged on the transparent film, and a bag opening of the water collecting bag is attached to the transparent film and corresponds to the flow guide opening of the flow guide part. Flushing liquid flows out of a puncture part and then is guided to the water collecting bag through the flow guiding piece on the transparent film, the problem that the flushing liquid seeps out to wet and pollute a treatment sheet and an operating bed sheet can be solved, and the disposable puncture needle is simple in structure and convenient to operate and use and has great popularization value.