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81results about How to "Shorten learning curve" patented technology

Preoperative planning method for hip joint revision surgery

The invention provides a preoperative planning method for hip joint revision surgery. The preoperative planning method comprises the following steps: acquiring pelvis CT data of a patient and reconstructing a pelvis three-dimensional model; performing data measurement on the pelvis three-dimensional model; carrying out registering on a mirror image uninjured side hip bone three-dimensional model and an affected side hip bone three-dimensional model, and determining the position of the central point of the affected side acetabulum; simulating acetabular cup prosthesis placement in the affectedside hip bone three-dimensional model, and determining the acetabular cup prosthesis type; simulating the installation of an acetabular cup prosthesis three-dimensional model, and if the acetabulum onthe affected side is still defective after installation, selecting the number and the positions of acetabular cup cushion blocks or performing filling by using a cup-on-cup technology; and determining the type of a femoral stem prosthesis and the type of a bulb prosthesis. The acetabulum defect area can be accurately determined before an operation, a reasonable operation scheme is formulated, a learning curve is shortened, the operation accuracy is improved, the operation complexity is reduced, the operation time is shortened, the bleeding amount of a patient during the operation is reduced,and the postoperative recovery time is shortened.
Owner:NANJING FIRST HOSPITAL

Percutaneous navigation guide board combined with body position fixation device and preparation method thereof

The invention provides a preparation method for a percutaneous navigation guide board combined with a body position fixation device, pertaining to the field of medical instruments. The method comprises the following steps: (1) utilizing the body position fixation device; (2) fixing a marker to the skin surface corresponding to a required surgical spot of a human body, which is used for fixing the navigation guide board; (3) utilizing CT scanning technology to scan the required surgical spot to obtain spatial position data of a human body dissecting structure; (4) inputting CT scanning spatial position data into a computer and carrying out digital and three-dimensional reconstruction; (5) simulating operations in the virtual three-dimensional structure and virtually inserting needles/ nails on the virtual skin surface where markers are located; (6) fitting the navigation guide board on the virtual skin surface, wherein the navigation guide board is closely attached to the skin surface and can be used for virtual needle/ nail insertion adapted to the virtual markers and the navigation guide board has guide pipelines; (7) inputting data of the above virtual guide board into a 3D printer, wherein the 3D printer obtains the percutaneous needle/nail-inserting navigation guide board which can be used in combination with the body position fixation device.
Owner:BEIJING DITAN HOSPITAL CAPITAL MEDICAL UNIV

Metal guide plate capable of improving screw-setting precision in spinal operation and manufacturing method of metal guide plate

The invention discloses a metal guide plate capable of improving screw-setting precision in a spinal operation and a manufacturing method of the metal guide plate. The manufacturing method mainly comprises steps as follows: target spine model data of a patient are extracted through segmentation editing processing on the basis of CT (computed tomography)/MRI (magnetic resonance imaging) scanned original data about the spine of the patient; CAD (computer-aided design) data are imported into Geomagic, an instruction for removing noisy points in bones is performed, and a three-dimensional solid is obtained; a screw implanting route is simulated on the extracted spine model, a curved surface contacted with the spine is extracted according to the shape and the position of the spine and is sheared with a rectangle, and an operation guide plate matched with a contact part in shape is obtained; positions of guide holes and positioning holes are determined; a three-dimensional CAD data model of a spine implant prosthesis is imported into Magics 17.0 for treatment, a multi-layer slicing two -dimensional CAD data model file of the spine implant prosthesis is obtained and imported into 3D printing equipment, and the operation guide plate is obtained. According to the manufacturing method, the situation that a surgeon depends on traditional experience or expensive equipment such as a navigation system and the like is avoided, the surgeon does not depend on fluoroscopy during an operation and is not affected by posture changes, a learning curve is shortened, and marks are reduced.
Owner:SOUTH CHINA UNIV OF TECH

Surgical instrument clamping device for orthopedic surgical robot

The invention relates to the technical field of medical instruments, in particular to a surgical instrument clamping device for an orthopedic surgical robot, which comprises a connecting frame for quickly detaching and connecting a mechanical arm of the surgical robot, the connecting frame is provided with a shaft sleeve assembly, a movable clamping sleeve and an elastic locking part, the shaft sleeve assembly is used for being sleeved with a surgical instrument in a matched mode, the movable clamping sleeve is in coaxial butt joint with the shaft sleeve assembly, the elastic locking part is in transmission connection with the movable clamping sleeve, and the movable clamping sleeve is driven by the elastic acting force of the elastic locking part to clamp the surgical instrument sleeved with the shaft sleeve assembly. And the clamping of the surgical instrument by the movable clamping sleeve is released by operating the elastic locking part. According to the surgical instrument clamping device for the orthopedic surgical robot, stable connection between a mechanical arm of the surgical robot and an orthopedic surgical instrument can be achieved, the surgical precision is improved, connection is easy and convenient, and the surgical time efficiency can be guaranteed and improved.
Owner:LONGWOOD VALLEY MEDICAL TECH CO LTD +2

Method for manufacturing bonded gloves without sewing threads

The invention discloses a method for manufacturing a pair of bonded gloves without sewing threads, which finally replaces the traditional technique of manually sewing by utilizing a sewing machine. Glove elements are bonded on glove cores by utilizing adhesives and machines. Therefore, according to the method for manufacturing the pair of bonded gloves without the sewing threads, which is disclosed by the invention, the manufacturing technique is more simple, the labors, the materials and the working time are reduced, the learning curve is reduced, and the production efficiency is greatly improved; the quality problems, such as needle holes in the gloves, needle leakage, thread breakage and finger twisting, easily generated when workers manually operate sewing machines to sew in the prior art are completely solved, and the quality of the gloves is improved; in addition, when people wear the gloves on the hands, the damages, such as hand limiting and cutting, are avoided, and the protection property and the service life of the gloves are reinforced. The gloves manufactured by the method disclosed by the invention comprise the glove cores and the glove elements, wherein the glove cores are woven by various yarns, the glove elements are formed by cutting off various materials, and the glove elements and the glove cores are bonded together by utilizing the adhesives and the machines and are finally integrally formed, so that the gloves are bonded without the sewing threads.
Owner:JOHN ENGINE SPORTS PROD INC

Method for manufacturing 3D printing guide plate for single-open-door cervical vertebra surgery

The invention relates to a method for manufacturing a 3D printing guide plate for a single-open-door cervical vertebra surgery. The method comprises the following steps: reestablishing a cervical vertebra model of a patient according to original cervical vertebra image data of different patients; simulating to determine a position needing to be slotted and a size range of a guide plate on the cervical vertebra model; establishing a three-dimensional model of the guide plate through computer software; and finally, importing three-dimensional data of the guide plate into a 3D printer to manufacture the guide plate. By using the method, a doctor can determine the slotted position according to the cervical vertebra conditions of different patients before the surgery, and can quickly design and prepare the guide plate for auxiliary operation in the single-open-door cervical vertebra surgery according to the collected original image data. On one hand, the position determination is accurate, an optimal pressure reduction effect can be achieved, and the occurrence of complications is reduced. On the other hand, the difficulty of the surgery is reduced, the operation errors of the surgery are reduced, the quality of the surgery is improved, and the learning curve of a young surgeon can be shortened.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Laparoscope three-dimension monitoring system

The invention discloses a laparoscope three-dimension monitoring system which comprises a three-dimension display system and a three-dimension laparoscope with a double-way parallel picture pick-up system. The three-dimension display system comprises a three-dimension display device and polarized glasses, and the three-dimension display system and the polarized glasses are mutually matched and used. The three-dimension display device comprises an outer shell, a hollow window is formed on one side wall of the outer shell, a first display which is opposite to the window is arranged on the inner side wall of the outer shell, a second display which is perpendicular to the first display is arranged on the inner top wall of the outer shell, and a pellicle mirror is arranged on an angle division line of the first display and the second display. The three-dimension laparoscope is connected with a first camera and a second camera by a two-way video signal cable. The first camera and the second camera are respectively connected with the first display and the second display by an audio video (AV)/ video graphic array (VGA) signal converter, and the three-dimension laparoscope is connected with a cold light source by a light guide optical fiber. The laparoscope three-dimension monitoring system achieves three-dimension monitoring under the three-dimension laparoscope, reduces surgery operation difficult, and ensures surgery safety.
Owner:SUZHOU KANGDUO ROBOT

Cardiac electrophysiological signal simulation system and simulation method thereof

The invention discloses a cardiac electrophysiological signal simulation system and a simulation method thereof. The system comprises a transparent cardiac chamber model, a catheter device for a cardiac minimally invasive interventional surgery, a locating system for locating the position of a catheter head and an upper computer containing an electrocardiogram signal upper computer translation program, wherein the cardiac chamber model is connected to the upper computer by virtue of the locating system; the cardiac chamber model is additionally connected to the catheter device; and in accordance with electrocardiogram signals which are pre-saved in the upper computer as well as preset binding relation characteristics in a heart, electrocardiogram signals, which are in correspondence to the cardiac chamber model and a touch point of the catheter head in the catheter device, are translated and displayed on the upper computer by virtue of the electrocardiogram signal upper computer translation program. With the implementation of the simulation system and the simulation method disclosed by the invention, a blank between theoretical training and animal experiments in a cardiac interventional surgery is filled; and on the basis of safe, radiation-free, transparent and intuitive operating experiences, real feedback hand feeling as well as real-time and accurate electrocardiogram signal feedback, the training efficiency of doctors is improve, so that more experienced doctors can be provided within a unit time.
Owner:高跃技

Percutaneous lumbar aperture mirror puncture assisted locator

The invention discloses a percutaneous lumbar aperture mirror puncture assisted locator. The percutaneous lumbar aperture mirror puncture assisted locator comprises a base, a crossbar, a slider, and apuncture positioning assembly, the puncture positioning assembly comprises: a horizontal angle instrument, a vertical angle instrument and a puncture sleeve, a first curved slide rail and a second curved slide rail are respectively formed on the horizontal angle instrument and the vertical angle instrument, the vertical angle instrument slides in the first curved slide rail, and the puncture sleeve slides in the second curved slide rail. The puncture-assisted locator of the invention can realize accurate puncture of the intervertebral foramen conveniently and quickly at low cost, avoids blindness of puncture and reduces the risk of neurovascular injury. The puncture-assisted locator is easy to learn and use, the weight is light, and the components can be separately disassembled and placedin a fast-moving box of the apparatus, which has a good promotion and application prospect in the industry. The puncture-assisted locator enables more low-grade specialists to familiarize themselveswith the use of a percutaneous puncture technique and shortens the learning cycle, which is conducive to the clinical application of the procedure.
Owner:谢林

Portable percutaneous puncture locating device and locating method implemented via device

The invention discloses a portable percutaneous puncture locating device and a locating method implemented via the device. The device comprises a locating frame, a rotary piece and a scale ring, wherein an arc-shaped groove is formed in one end of the locating frame, and angle scales, along the circumferential direction of the arc-shaped groove and the outer wall surface of the scale ring, are arranged on the outer wall surface of the end; the rotary piece comprises a locating end and a rotating end; the locating end of the rotary piece is overlapped with the circle center of the arc-shaped groove; a power unit, by which the locating end of the rotary piece can be driven to rotate, is arranged in the locating frame; the rotary piece can move along a radial direction of the arc-shaped groove; one end of the scale ring is connected to the rotary piece, so that a plane where the scale ring is located is perpendicular to a plane where the end of the locating frame is located; a guide blockis connected to the scale ring; a guide hole, in which a puncture needle is inserted, is formed in the guide block; and a central shaft of the guide hole points to the circle center of the arc-shapedgroove. The puncture guidance device provided by the invention is simple in structure, easy to disinfect and low in cost; and the device is simple and convenient to operate and relatively short in locating duration, and radiation quantities to a patient and operators can be reduced.
Owner:贾志强

Expandable interbody fusion cage applied to minimally invasive spine surgery

PendingCN108078656AAchieving the expected effect of surgerySmall shapeSpinal implantsSpinal cageIntervertebral space
An expandable interbody fusion cage applied to a minimally invasive spine surgery comprises a protective frame body, an upper expansion body, a lower expansion body and an adjusting mechanism, whereinthe adjusting mechanism comprises an adjusting screw, an upper supporting seat, a lower supporting seat, two upper adjusting arms and two lower adjusting arms; the upper ends of the two upper adjusting arms are hinged to the upper supporting seat which is connected with the lower end surface of the upper expansion body; the lower ends of the two lower adjusting arms are hinged to the lower supporting seat which is connected with the upper end surface of the lower expansion body; the lower ends of the two upper adjusting arms are separately hinged to the upper ends of the two lower adjusting arms; the adjusting screw penetrates through hinged portions of the upper adjusting arms and the lower adjusting arms; the portion, which is hinged to the corresponding lower adjusting arm, of one of the upper adjusting arms is connected to a fixing end of the protective frame body; and a threaded hole which is connected with the adjusting screw in a matched manner is formed in the fixing end. By changing the position of a sliding nut on the adjusting nut, the distance between the upper expansion body and the lower expansion body is adjustable, the wound is small, the height of intervertebral space is expanded, and thus, the expandable interbody fusion cage is suitable for clinic application of the orthopedics department.
Owner:贾志强

Dynamic monitoring system and method for placement of pedicle screw

The invention discloses a dynamic monitoring system and method for placement of a pedicle screw. A linear laser emitter is used for emitting linear lasers, so that an X axis of a three-axis acceleration sensor is adjusted to be parallel to the spinous process; the three-axis acceleration sensor is used for monitoring gravitational acceleration components corresponding to the axes of a placing device in real time; a tension and pressure sensor is used for monitoring the resistance of an open device in a matched apparatus in the circuit opening process in real time; a torsion sensor is used for monitoring the torsion of the pedicle screw in the placing process in real time; a single chip microcomputer is used for calculating the sagittal view angles and cross section angles of the placing device according to the gravitational acceleration components, and transmitting the sagittal view angles, the cross section angles, the torsion values and the resistance values to a wireless receiver through a wireless emitter; a controller controls a display screen to display the sagittal view angles and the cross section angles which are continuously transmitted, so that a torsion value oscillogram and a resistance value oscillogram are respectively displayed, and controls a storage to store the oscillograms, the sagittal view angles and the cross section angles.
Owner:SECOND AFFILIATED HOSPITAL SECOND MILITARY MEDICAL UNIV

Locking and external fixation device used for treatment of tibial fractures

The invention relates to a locking and external fixation device used for treatment of tibial fractures, pertaining to the technical field of medical equipment. The device comprises a rectangular frame body and multiple screws. Multiple threaded holes are transversely formed in the rectangular frame body. The screws are screwed into the threaded holes. The threaded holes in the frame body match threads of the screws so that the effect of connecting the frame body with the screws is achieved. The locking and external fixation device used for treatment of tibial fractures has following beneficial effects: the locking and external fixation device belongs to the concept of external fixation and therefore a wound is small with little bleeding; a cut is reduced by times and only 3 to 4 cm in size and the scar is small and attractive; operative complications are increasingly reduced; due to the external fixation, the risk of a secondary operation is lowered; medical cost is saved for a patient; the device is made by light-weight material such as stainless steel, titanium alloy and the like; compared with a conventional external fixation frame, the frame body of the locking and external fixation device is small in size and low in weight and cause little harm to a patient and help the patient recover; damage to a pin track is little; complications of the pin track are fewer; the device is not easily loosened and loses efficacy; and safety of the operation is enhanced.
Owner:J&L MEDICAL TECH CO LTD

Distal femur customized osteotomy guide plate used for knee replacement surgery and implementation method

The invention relates to a distal femur customized osteotomy guide plate used for knee replacement surgery and an implementation method. The osteotomy guide plate comprises a No.1 osteotomy guide plate unit and a No.2 osteotomy guide plate unit, the No.1 osteotomy guide plate unit comprises a first bottom bone surface composite positioning structure, a second bottom bone surface composite positioning structure, an inner side bone surface positioning structure, an outer side bone surface positioning structure, a No.1 positioning nail through hole, a distal femur plane bone cutting groove and a distal femur front condyle surface bone cutting groove, and the No.2 osteotomy guide plate unit comprises a front condyle surface positioning structure, a No.2 positioning nail through hole, a distal femur plane positioning structure, a front condyle inclined plane bone cutting groove, a rear condyle inclined plane bone cutting groove and a rear condyle surface cutting groove. The No.1 osteotomy guide plate unit is positioned in a manner of applying the positioning structure to the distal femur surface, the No.2 osteotomy guide plate unit s positioned through the position of the positioning nail after the No.1 osteotomy guide plate unit is used and a plane obtained after the front condyle surface is subjected to osteotomy, and by using the No.1 osteotomy guide plate unit and the No.2 osteotomy guide plate unit cooperatively, the positioning and osteotomy accuracy can be effectively improved.
Owner:SOUTH CHINA UNIV OF TECH

Vibrating device for urethral repair

InactiveCN105251104AStandardize the expansion processGuaranteed therapeutic effectSurgeryDilatorsEngineeringTherapeutic effect
The invention discloses a vibrating device for urethral repair. The device comprises a metal probe and a machine body. The machine body comprises a shell, a power switch and a strength adjusting switch are installed on the surface of the shell, and a driver, a motor, a lithium battery and a circuit board are arranged in the shell. The lithium battery is used for supplying power to the motor. The circuit board, the power switch and the strength adjusting switch are matched and used for controlling starting and rotation frequency of the motor. The driver is connected with the motor and the metal probe and used for driving the metal probe to vibrate when the motor rotates. The vibrating device has the following advantages that the non-surgical urethral dilatation process is standardized, the treatment effect is guaranteed, automatic operation is achieved, treatment strength is adjusted according to types of patients, the long-term treatment effect of urethral stricture dilatation is improved, and the effect of gradually repairing the urethra is achieved. The learning curve of urethral dilatation is shortened and work efficiency is improved. By means of the device, non-surgical urethral dilatation treatment and repair serve as long-term means so as to achieve the aim of the long-term effect of non-surgical urethral stricture treatment.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Posterior cruciate ligament lower dead center positioner

The invention discloses a posterior cruciate ligament lower dead center positioner. The positioner comprises a positioner handheld part, a tibia fixing part, a guide sleeve, a depth limiting sleeve and a depth limiting drill bit, the whole handheld part of the positioner is in an arc-shaped handle shape. A hollow wire channel is formed in the upper part; the outlet of the hollow wire channel is positioned at the vertex of the handheld part of the positioner; three fixing holes with the inner diameter of 2.00 mm are formed in the rear end of the positioner fixing part and used for fixing the positioner to the tibia cortex, the positioner tibia fixing part is an arc with the diameter of 11 cm, and the upper end of the positioner tibia fixing part slides into the sliding rail of the positioner handheld part and is locked and fixed by screws on the sliding rail at the same time. The posterior cruciate ligament graft can be quickly and safely built on the premise that an inner posterior approach is not built, the posterior cruciate ligament graft can be easily pulled into the femur and the tibia bone tunnel, the operation time can be shortened, the operation safety and repeatability canbe improved, the operation difficulty can be reduced, and the learning curve of young doctors can be shortened.
Owner:XIAN HONGHUI HOSPITAL
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