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46 results about "Total hip replacement surgery" patented technology
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Total hip replacement surgical guide tool
Disclosed herein is a surgical guide tool for use in total hip replacement surgery. The surgical guide tool may include a customized mating region and a resection guide. The customized mating region and the resection guide are referenced to each other such that, when the customized mating region matingly engages a surface area of a proximal femur, the resection guide will be aligned to guide a resectioning of the proximal femur along a preoperatively planned resection plane.
Owner:HOWMEDICA OSTEONICS CORP
Enhanced graphics features for computer assisted surgery system
InactiveUS20050119561A1Function increaseLess invasive surgical techniqueSurgical navigation systemsSurgical systems user interfaceGraphicsComputer-assisted surgery
A computer assisted surgery system with is enhanced graphics features is described for assisting a surgeon in orthopaedic procedures. A system is described for use in inserting multiple guide pins in hip fracture surgery using a single bore drill guide that has a graphical representation comprising its real trajectory and one or more virtual trajectories, the virtual trajectories representing potential positions of other guide pins to be placed during the procedure. Additionally, representations of inserted guide pins and virtual trajectories may be retained on the display at their inserted positions for use in aligning subsequent guide pins. A system is also described for orientation of an acetabular cup in a total hip replacement surgery. During cup insertion, the surgeon is provided with information regarding the orientation of the cup with respect to a pelvic reference frame that is based on accepted pelvic landmarks. The positions of each landmark is calculated by the system when a probe with a virtual tip, separate from its physical tip, is overlaid on the landmark in roughly orthogonal images of the pelvis.
Owner:GE MEDICAL SYST GLOBAL TECH CO LLC
Enhanced graphic features for computer assisted surgery system
InactiveUS20050148855A1Enhanced graphic featurePrecise positioningSurgical navigation systemsSurgical systems user interfaceGraphicsComputer-assisted surgery
A computer assisted surgery system with is enhanced graphics features is described for assisting a surgeon in orthopaedic procedures. A system is described for use in inserting multiple guide pins in hip fracture surgery using a single bore drill guide that has a graphical representation comprising its real trajectory and one or more virtual trajectories, the virtual trajectories representing potential positions of other guide pins to be placed during the procedure. Additionally, representations of inserted guide pins and virtual trajectories may be retained on the display at their inserted positions for use in aligning subsequent guide pins. A system is also described for orientation of an acetabular cup in a total hip replacement surgery. During cup insertion, the surgeon is provided with information regarding the orientation of the cup with respect to a pelvic reference frame that is based on accepted pelvic landmarks. The positions of each landmark is calculated by the system when a probe with a virtual tip, separate from its physical tip, is overlaid on the landmark in roughly orthogonal images of the pelvis.
Owner:GE MEDICAL SYST GLOBAL TECH CO LLC
Computer-guided system for orienting the acetabular cup in the pelvis during total hip replacement surgery
A method for determining the orientation of a first object in space, wherein the first object is interactive with a second object, the method comprising the steps of:using kinematic action to generate a first data set reflective of the current spatial relationship between the first object and the second object; andcomparing the first data set with a database of known data sets reflective of known spatial relationships between the first object and the second object in space so as to identify the current orientation of the first object in space.
Owner:THORNBERRY ROBERT L
Computer-guided system for orienting a prosthetic acetabular cup in the acetabulum during total hip replacement surgery
InactiveUS20130261633A1Eliminate needDiagnosticsSurgical navigation systemsProsthesisSurgical tables
A computer-guided system for orienting an insert during a surgical procedure, the computer-guided system comprising:a surgical table for supporting a patient, the surgical table being capable of movement about three axes;a table inertial measurement unit for measuring movement of the surgical table;a patient inertial measurement unit for measuring movement of the patient;an insert inertial measurement unit for measuring movement of the insert; andcomputational means for determining the relative positioning of the patient and the insert based upon movement of the surgical table, movement of the patient, and movement of the insert.
Owner:THORNBERRY ROBERT L
Orthopedic joint replacement surgery robot system
InactiveCN110974426APromote recoveryShorten operation timeDiagnosticsSurgical navigation systemsSurgical operationOrthopedic department
The invention discloses an orthopedic joint replacement surgical robot system, which comprises a base, a mechanical arm used for fixing a surgical instrument is arranged on the base, the mechanical arm is a multi-degree-of-freedom mechanical arm, and a clamping component used for fixing the surgical instrument is arranged at the front end of the mechanical arm; and the orthopedic joint replacementsurgery robot system further comprises a support, a bone joint basic coordinate positioner and a bone joint to-be-operated part probe. A man-machine interaction display screen and an optical camera system are arranged on the support; the orthopedic joint replacement surgical robot system further comprises a control module, and a patient bone joint data module, an equipment data module and a calibration module are connected to the control module. When the system is used for executing surgical operation, the mechanical arm is matched with a special surgical instrument, and a surgeon can completely cover the space range involved in the whole total hip replacement surgery without changing the machine position in the surgery.
Owner:上海龙慧医疗科技有限公司
Support body in expansion fixing whirlbone
ActiveCN102824207APromote ingrowthThe function of preventing loosening and degenerative movementSurgeryStructural engineeringBone Cortex
The invention relates to a support body in an expansion fixing whirlbone, which comprises a support main body and an internal expansion bolt, wherein the support main body is sleeved outside the internal expansion bolt; the top part of the support main body is arc-shaped; the support main body is provided with a radial expansion wing; the expansion wing is composed of a plurality of wing fins; an expansion gap is formed between each wing fin; the internal expansion bolt is provided with an expansion section; after the internal expansion bolt is arranged in the support main body, the expansion wing can be opened by the expansion section; and the support main body is in threaded connection with the internal expansion bolt. According to the invention, the support body is fixed below the whirlbone or is fixed in bone tissues around a femoral neck through the expansion of a partial structure after the support body is planted on a predetermined position below the collapsing position of the whirlbone; the support body disclosed by the invention does not need to make cortical bone on the lower part of a whirlbone greater trochanter as support mechanics basis; therefore, the support body can be relatively short so that a osteotomy space between the greater trochanter and a lesser trochanter is kept in a future total hip replacement without taking out the support body deliberately.
Owner:BEIJING AKEC MEDICAL
Canulized prosthesis for total hip replacement surgery
InactiveUS20060155382A1Minimizing the surgically invasive opening in a patientPromote bone growthBone implantJoint implantsProsthesisPlastic surgery
An orthopedic system including an orthopedic prosthesis having an exterior surface, the prosthesis defining a proximal end and a distal end, a first opening located substantially near the proximal end, a second opening located substantially near the distal end, and a bore extending from the first opening to the second opening. The orthopedic prosthesis also includes a seepage port extending from the exterior surface of the prosthesis and providing a passage to the bore, as well as a guidewire, wherein at least a portion of the guidewire is positionable within the bore, and a resorbable insert positionable within the bore.
Owner:ORTHOPAEDIC DEV
Total hip replacement preoperative planning method and device based on deep learning and X rays
The invention discloses a total hip replacement preoperative planning method and device based on deep learning and X rays. The method comprises the steps of obtaining an X-ray image of the hip joint,wherein the X-ray image of the hip joint comprises an image of a reference object, and the reference object is a reference object with the known size; restoring the size of the X-ray image of the hipjoint according to the image size of the reference object and the proportion of the actual size of the reference object; identifying the restored X-ray image of the hip joint based on a deep learningmodel, and determining a leg length difference, an acetabular cup position and a specification model of a femoral stem prosthesis; and determining the position of an osteotomy line according to a rotation center of the femoral stem prosthesis and a rotation center of the acetabular cup determined in the X-ray image identifying process of the hip joint. The invention aims to provide a more convenient and accurate preoperative planning mode for providing better preoperative support for a total hip replacement surgery.
Owner:LONGWOOD VALLEY MEDICAL TECH CO LTD
Oral pharmaceutical compositions of dabigatran etexilate
Compositions comprising a mixture of at least two types of particles wherein a) the first type of particles comprise dabigatran etexilate in the form of the free base or in the form of pharmaceutically acceptable salts, polymorphs, solvates or hydrates thereof; and b) the second type of particles comprise at least one pharmaceutically acceptable organic acid, use of said compositions in the reduction of the risk of stroke and systemic embolism in patients with non-valvular atrial fibrillation and / or in the prevention of venous thromboembolic events in adult patients who have undergone elective total hip replacement surgery or total knee replacement surgery and processes for the preparation of said compositions.
Owner:BRECKENRIDGE PHARM INC
Computer-guided system for orienting a prosthetic acetabular cup in the acetabulum during total hip replacement surgery
InactiveUS9539112B2Eliminate needSurgical navigation systemsJoint implantsProsthesisInertial measurement unit
A computer-guided system for orienting an insert during a surgical procedure, the computer-guided system comprising:a surgical table for supporting a patient, the surgical table being capable of movement about three axes;a table inertial measurement unit for measuring movement of the surgical table;a patient inertial measurement unit for measuring movement of the patient;an insert inertial measurement unit for measuring movement of the insert; andcomputational means for determining the relative positioning of the patient and the insert based upon movement of the surgical table, movement of the patient, and movement of the insert.
Owner:THORNBERRY ROBERT L
Objective, Real-Time Acoustic Measurement and Feedback for Proper Fit and Fill of Hip Implants
The present invention relates to a system and method for objective, real-time acoustic measurement and feedback for proper fit and fill of hip implants during total hip replacement surgery, or other bone implant surgical procedures.
Owner:RGT UNIV OF CALIFORNIA
Filing guide plate for total hip replacement surgery and manufacture and use methods of filing guide plate
InactiveCN108742770ASimplified filing operationsImprove connection strengthAdditive manufacturing apparatusBone drill guidesDesign softwareEngineering
The invention discloses a filing guide plate for a total hip replacement surgery. The filing guide plate comprises a nested guide plate for 3D (three-dimensional) printing according to a three-dimensional model of an acetabular fossa of a patient and the proportion of 1:1, and at least two hollow guide posts are uniformly distributed along the outer side of the edge of an opening of the nested guide plate. After the nested guide plate is fitted with the inner surface of the acetabular fossa, the axes of the hollow guide posts can be parallel to the acetabular axis of the patient. The inventionfurther discloses a manufacture method. A three-dimensional acetabular fossa model is built according to a pelvis CT (computed tomography) image of the patient by three-dimensional reverse modeling software, the acetabular axis is determined in three-dimensional model design software, the three-dimensional model of the filing guide plate is designed, and 3D printing is performed to obtain the filing guide plate. The invention further discloses a use method. Steel nails are screwed into the hollow guide posts, and the filing guide plate is taken down, so that an acetabular file can perform filing along the axis direction of the steel nails. Filing direction positioning precision is improved, filing operation is simplified, and requirements for experience and technical levels of doctors arelowered.
Owner:CHONGQING UNIV +1
Method and system for obtaining pelvic posture and prosthesis installation angle in total hip replacement surgery
ActiveCN106880425AImprove the success rate of surgeryGood treatment effectJoint implantsAcetabular cupsMeasurement deviceData acquisition
The invention discloses a method and system for obtaining pelvic posture and a prosthesis installation angle in a total hip replacement surgery. According to the method, the pelvic posture can be obtained in real time, a prosthesis is installed by taking the obtained pelvic posture as reference, and the installation angle is determined, and system hardware can be divided into three modules of a data acquisition module, a data processing module and a data transmission module according to functions; according to components, the hardware can be divided into a pelvic initial posture measuring device, a pelvic dynamic measuring device and a prosthesis installation angle measuring device, a same sensor module is mounted on each component device to transmit obtained data by a sensor to a computer, and pelvic posture calculation and prosthesis installation angle calculation are achieved on the computer; by the usage of the method and system for obtaining the pelvic posture and the prosthesis installation angle in the total hip replacement surgery, a great convenience is brought to the total hip replacement surgery carried out by doctors, and the surgery success rate and treatment effect are improved.
Owner:TSINGHUA UNIV
Method for making customized acetabular prosthesis and auxiliary method for total hip replacement arthroplasty
ActiveCN110251277APlace stableLow surgical repair rateJoint implantsHip jointsSoftwareReverse engineering
The invention relates to a method for making customized acetabular prosthesis and an auxiliary method for total hip replacement arthroplasty, which relate to the technical field of the total hip replacement arthroplasty. The method comprises the followings steps: scanning the hip joint of a patient by using an electron tomography technique before an operation, obtaining three-dimensional data of the hip joint of the patient, and introducing the obtained three-dimensional data into the three-dimensional software to reconstruct an acetabular model of the patient; processing the patient's acetabular model in the three-dimensional software to obtain the acetabular model of the patient after milling; using a reverse engineering technique to obtain a prosthetic model matching the above model, and then using a 3D printing technology to print the prosthetic model to the customized acetabular prosthesis, and using the patient acetabular model to formulate a tool milling trajectory and the milling process parameters; before the operation, introducing the tool milling trajectory and the process parameters into the robot control software, and using a robot for doctor to mill the patient's acetabulum, wherein the customized acetabular prosthesis is provided for the doctor to mount the acetabulum of the patient after milling. The method can reduce the doctor's surgical burden and improve the quality of milling.
Owner:GUANGDONG UNIV OF TECH
Total hip replacement surgery auxiliary instrument
ActiveCN106109156AFixed and accurateImprove comfortOperating tablesAmbulance serviceHip joint replacement operationContinuous/uninterrupted
The invention discloses a total hip replacement surgery auxiliary instrument which comprises a grooved bed board for replacement and fixed rods. Longitudinal slide grooves are evenly formed in the grooved bed board and are each of a big-end-down structure. The fixed rods move through the slide grooves. A base which can not be moved out of the corresponding slide groove is arranged at the bottom of each fixed rod. A fastening structure for fixing the fixed rod to the grooved bed board is arranged on each fixed rod. In addition, an insertion hole is formed in each longitudinal slide groove of the grooved bed board, or a transverse groove is formed in the grooved bed board so that the fixed rods can be inserted in the slide grooves. According to the total hip replacement surgery auxiliary instrument, the fixed rods can be continuously arranged, the positioning precision is ensured, operation is easy, and use is convenient.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
Nursing device capable of effectively relieving pain of patient after total hip replacement
PendingCN112869939AAvoid sorenessEffective pain reliefTherapeutic coolingTherapeutic heatingPostoperative PainsNursing care
The invention discloses a nursing device capable of effectively relieving pain of a patient after total hip replacement, and relates to the field of postoperative pain nursing devices. The nursing device capable of effectively relieving the pain of the patient after total hip replacement comprises a bottom plate, supporting sleeves are fixedly connected to the four corners of the top of the bottom plate, inner cavities are formed in the supporting sleeves, buffer columns are slidably connected to the interiors of the inner cavities of the supporting sleeves, buffer springs are fixedly connected to the bottoms of the buffer columns, and the buffer springs are fixedly connected to the bottoms of the buffer columns. The tops of the buffer columns are fixedly connected with a supporting buffer plate, the top of the supporting buffer plate is fixedly connected with two standing plates, and the tops of the two standing plates are fixedly connected with a nursing bed plate. According to the nursing device capable of effectively relieving the pain after total hip replacement of the patient, the hot compress bag abuts against the body of the patient all the time, the pressure on the hot compress bag and the body of the patient can be controlled and kept, the hot compress effect is guaranteed, and the pain is effectively relieved.
Owner:来常敏
Customized individualized artificial total hip replacement surgery acetabular preparation template system
Owner:上海龙慧医疗科技有限公司
Total hip replacement preoperative planning system based on deep learning
PendingCN114419618AImprove recognition accuracyEfficient extractionNeural architecturesNeural learning methodsBlock graph3d image
The invention provides a total hip replacement preoperative planning system based on deep learning, and the system comprises a total hip joint image collection module which is used for obtaining a to-be-recognized total hip joint three-dimensional block graph; the total hip joint recognition module is used for inputting a to-be-recognized total hip joint three-dimensional block image into a trained three-dimensional segmentation neural network to obtain a thighbone area in each total hip joint two-dimensional cross section image, and the trained three-dimensional segmentation neural network is formed by a preset three-dimensional block image marked with a label of the thighbone area and a preset three-dimensional block image marked with a label of the thighbone area. The method is obtained by training a convolutional neural network. And the total hip joint three-dimensional image construction module is used for obtaining a three-dimensional image of a thighbone region according to the thighbone region in each total hip joint two-dimensional cross section image based on a three-dimensional reconstruction technology. According to the method, the total hip joint three-dimensional block graph is identified, three-dimensional modeling is carried out on the extracted thighbone area based on the three-dimensional block graph, and then the total hip joint identification precision is improved according to the thighbone area three-dimensional model.
Owner:LONGWOOD VALLEY MEDICAL TECH CO LTD +1
Minimally invasive total hip replacement surgery positioning bed
PendingCN110251348AMeet the needs of usePrecise positioningDiagnosticsOperating tablesHip joint replacement operationBody positions
The invention provides a minimally invasive total hip replacement surgery positioning bed, which comprises a bed body, a head supporting pad, a body positioning device, a non-surgical leg positioning device and a positioning traction device for a leg to be operated, wherein the body positioning device comprises a rear positioning mechanism and a front positioning mechanism; the rear positioning mechanism and the front positioning mechanism are matched to fix a human body on the bed body; the rear positioning mechanism comprises a movable seat plate, a press block, a plurality of adjusting rods, an elastic pad and a locking component; the movable seat plate is arranged on the bed body; a plurality of the adjusting rods are arranged on the movable seat plate in a sliding manner, push plates are connected to one end, close to the front positioning mechanism, of the adjusting rods, the elastic pad is connected to one side, close to the front positioning mechanism, of a plurality of the push plates; and the press block is arranged on the movable seat plate; when the elastic pad is attached to the physiological curve of the back of a human body, a plurality of the adjusting rods are fixed on the movable seat plate through the locking component and the press block. The body positioning device of the minimally invasive total hip replacement operation positioning bed can meet the use requirements of patients with different body types.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
Femoral stem prosthesis
InactiveCN107595441AEasy to fixSolve the problem of poor initial stabilityJoint implantsFemoral headsProsthesisBone marrow cavity
The invention provides a femoral stem prosthesis comprising a main stem body. A bone cement drainage channel is disposed in the main stem body. The bone cement drainage channel is used for draining bone cement to a femoral medullary cavity when the main stem body is embedded into the femoral medullary cavity so as to fix the main stem body in the femoral medullary cavity. In a total hip replacement surgery, when the femoral stem prosthesis is primarily fixed after being embedded into the femoral medullary cavity, the femoral stem prosthesis can be firmly fixed in the femoral medullary cavity,and the problem that primary stability of an existing femoral stem prosthesis primary fixing technology is poor is solved.
Owner:BEIJING AKEC MEDICAL
Computer-guided system for orienting the acetabular cup in the pelvis during total hip replacement surgery
Owner:THORNBERRY ROBERT L
Hip replacement post-operation image evaluation method and system based on deep learning
The invention provides an evaluation method and system for images after hip replacement based on deep learning, relates to the technical field of medicine, and can accurately evaluate the postoperative condition of a patient subjected to total hip replacement surgery, and the method comprises the following steps: obtaining a hip joint image of the patient subjected to the hip replacement surgery; recognizing key point positions and target areas in the hip joint image based on a deep learning target recognition network; according to the key point position and the target area, the leg length difference, the eccentric distance and the femoral prosthesis index of the patient are determined; according to the leg length difference of the two legs, the eccentric distance and the femoral prosthesis index, the accuracy of femoral prosthesis position installation of the patient is evaluated. The system executes the method. According to the method, based on the hip joint image of the patient after the hip joint replacement operation, the leg length difference, the eccentric distance and the femoral prosthesis index of the patient after the hip joint replacement operation are calculated, so that the recovery condition of the patient after the hip joint replacement operation is accurately evaluated.
Owner:LONGWOOD VALLEY MEDICAL TECH CO LTD +1
Measuring instrument for artificial hip joint pressure
InactiveCN111214316AImprove the accuracy of prosthesis installationGood curative effectJoint implantsAcetabular cupsMeasuring instrumentMetastatic bone tumor
The invention relates to the technical field of medical surgical auxiliary equipment, and discloses a measuring instrument for artificial hip joint pressure. The measuring instrument includes an acetabular lining trial mold, the acetabular lining trial mold is composed of an acetabular lining shell, pressure sensors and a bluetooth signal transmitter, and the acetabular lining trial mold can be indata connection with computer equipment. The measuring instrument for the artificial hip joint pressure can improve the installation accuracy of artificial total hip replacement surgery and obtain amore ideal stress distribution, thereby improving the therapeutic effect of the artificial total hip replacement surgery; and the measuring instrument can be used for treatment of femoral neck fracture, femoral head necrosis, hip osteoarthritis, hip ankylosis, hip rheumatoid arthritis, acetabular dysplasia, hip primary / metastatic bone tumors, and other severe hip bone lesions with joint destruction.
Owner:南京冬尚生物科技有限公司
Femoral stem prosthesis
ActiveCN113081402AReduce stiffnessEasy to bendJoint implantsFemoral headsOrthopedic departmentStress shielding
The invention discloses a femoral stem prosthesis, and belongs to the technical field of orthopedic implants. The femoral stem prosthesis comprises a stem body, the outer side of the stem body is provided with a notch, an auxetic structure is arranged in the notch. Stress shielding on the inner side and the outer side of the proximal femur can be well reduced, bone resorption of the proximal femur is avoided, and the problem of aseptic loosening of the femoral stem caused by stress shielding after total hip replacement is solved. In addition, the auxetic structure is also a porous structure, pores communicated each other in the auxetic structure are beneficial to transportation of nutrient substances and metabolites, so that bone ingrowth can be promoted, and the medium and long-term stability of the prosthesis is further improved.
Owner:BEIHANG UNIV
Surgical positioner apparatus, system, and method for securing to a side rail of support table
InactiveUS20210205162A1Easy constructionPrevent hyperextensionOperating tablesHip total replacementAnterior approach
A surgical positioner system for a support table having a side rail having a clamp assembly for attaching to the side rail. The clamp assembly having a spring and a locking assembly with movement in the x- and y-plane; and extension provides sliding movement in the z-plane. The extension being dimensioned to be operably connected to said clamp assembly and a rotational assembly. A rotational assembly has a portion for operably connecting to the extension, a device attachment portion, and a rotational assembly operably connected to the device attachment portion for providing rotational thereof. A boot having a holder portion and a flexible attachment can be attached to the device attachment portion. The surgical positioner provides motion from different force factors causing multiple components to move in a coordinated way using such established pivots and useful in performing various surgical procedures including direct anterior approach total hip replacement surgery.
Owner:INNOVATIVE MEDICAL PRODS
Total hip replacement surgical robot system
PendingCN114748168AImprove surgical efficiencyFully automatedSurgical navigation systemsComputer-aided planning/modellingHip total replacementEngineering
The invention discloses a total hip replacement surgical robot system which comprises an optical locator, an image system and a mechanical arm and further comprises a target image map obtaining step, a measurement report forming step, a hand-eye calibration step, a three-dimensional hip bone model obtaining step, a grinding file positioning path obtaining step and a step of moving to a positioning grinding file position. And the file grinding operation step is carried out through locking angle linear movement. According to the total hip replacement surgery robot system, automation and precision of file grinding in the hip replacement surgery process can be achieved, doctors are assisted in surgery, and the surgery efficiency of the whole doctors is improved. The invention is mainly used in the technical field of medical machinery.
Owner:SHANTOU UNIV +1
Total hip joint replacement measurement system capable of measuring posture of prosthesis
PendingCN113940664AImprove adaptabilityPromote recoveryDiagnostic recording/measuringSensorsFemoral neckMotion simulation
The invention discloses a total hip joint replacement measurement system capable of measuring the posture of a prosthesis. The total hip replacement measurement system comprises a hip joint geometric modeling module, a hip joint motion simulation module, a hip joint maximum motion range detection module, a hip joint impact risk assessment module, an acetabulum motion range display module and a femoral neck motion path display module. Long-time, continuous and dynamic measurement is performed. The spatial position of a ball head is measured through a sensor arranged in the ball head. The system does not influence an existing hip joint replacement prosthesis, is only used for measurement in an operation, and cooperates with an existing hip joint lower limb test mold and an acetabular cup prosthesis to completely simulate the in-vivo movement posture of the real replacement ball head. The problem that the relative posture of the prosthesis cannot be determined in an existing operation is solved.
Owner:BEIJING YIMAI MEDICAL TECH CO LTD +1
Manufacturing method of personalized acetabular prosthesis and auxiliary method for total hip replacement
ActiveCN110251277B6 degrees of freedomReduce the burden of surgeryJoint implantsSpecial data processing applicationsMechanical engineering3d printed
The invention relates to a manufacturing method of a personalized acetabular prosthesis and an auxiliary method for total hip replacement, which relate to the technical field of total hip replacement. 3D data, and import the obtained 3D data into the 3D software to reconstruct the patient's acetabular model; process the patient's acetabular model in the 3D software to obtain the milled model of the patient's acetabular; use reverse engineering technology to match the model The prosthesis model, and then use 3D printing technology to print the prosthesis model into a personalized acetabular prosthesis, use the patient's acetabular model to formulate the tool milling trajectory and milling process parameters; before the operation, the tool milling trajectory established in step 4 And process parameters are imported into the manipulator control software, the manipulator is used for the doctor to mill the patient's acetabulum, and the personalized acetabular prosthesis is used for the doctor to install the milled patient's acetabulum. This method can reduce the doctor's surgical burden and improve the milling quality.
Owner:GUANGDONG UNIV OF TECH
Patient side-lying positioning traction bed for minimally invasive total hip replacement surgery
InactiveCN108143527AReduce complicationsEasy to operateFractureHip joint replacement operationSide lying
The invention relates to a patient side-lying positioning traction bed for minimally invasive total hip replacement surgery. The patient side-lying positioning traction bed comprises a bed body and ischaracterized in that a head support device, an arm positioning device, a body positioning device, positioning device for the leg which does not need the surgery and a positioning traction device forthe leg which needs the surgery. The patient side-lying positioning traction bed has the advantages that the head, the arm, the body and the two legs of a patient can be positioned by the devices above, the patient can comfortably lie on his or her side on the bed, the leg which does not need the surgery can be fixed to prevent influence on the surgery, multidirectional movement of the leg whichneeds the surgery can be achieved, the positioning traction device can be connected with a control panel so as to control the movement of the leg which needs the surgery, a doctor can perform the surgery easily, surgery efficiency is increased, surgery complication is reduced, and the bed can be widely popularized favorably.
Owner:王波
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