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221 results about "Bone nailing" patented technology

High-performance zinc alloy with gradient structure and preparation method and application thereof

The invention discloses a high-performance zinc alloy with a gradient structure and a preparation method and application thereof, and belongs to the technical field of metal material processing. The high-performance zinc alloy with the gradient structure is characterized in that the grain sizes of upper, middle and lower areas of the alloy are in fine-coarse-fine distribution, the grain sizes of the upper and lower areas are smaller than or equal to 2 microns, the grain size of the central area is 5-20 microns, and the grain size of a transition area between the upper and lower areas and the central area is 2-15 microns; meanwhile, all the areas are accompanied with MnZn13 nano precipitated phases with the size smaller than or equal to 50 nm. The alloy shows excellent deformation resistance and thermal mechanical stability, the elasticity modulus of the alloy can at least reach 125 GPa, meanwhile, the alloy shows excellent corrosion resistance, and the alloy is particularly suitable for biomedical implantation instruments such as intravascular stents and bone nails.
Owner:HOHAI UNIV SUZHOU RES INST

Adjustable orthopedic nail locking device

The invention discloses an adjustable orthopedic nail locking device, which relates to the technical field of medical instruments and comprises a first nail locking hole and a second nail locking hole. An adjusting belt is fixedly connected to the middle of one side of the outer wall of the first lock nail hole, a connecting groove is formed in the middle of the adjusting belt, and an adjusting groove is formed in one end of the second lock nail hole. A reset spring is arranged above one end of the adjusting groove, and lifting rods are arranged on the two sides of the positioning plate. Wherein an outer rack is arranged at the lower end of the lifting rod, an upper positioning block is arranged on one side of the bottom of the lifting rod, an inner rack is arranged on the outer side of the lifting rod, a transmission gear is connected to one side of the inner rack in a meshed mode, a lower positioning block is arranged on one side of the inner rack, and a telescopic structure is installed on one side of a first lock nail hole. The length of the nail locking device is accurately adjusted through the evenly-distributed connecting grooves, the applicability of the nail locking device in the using process is improved, meanwhile, the supporting performance on bone nails is enhanced, and secondary injuries caused to patients are reduced.
Owner:YINGKOU RUILIN HOSPITAL CO LTD

Bone nail classification method and device, computer equipment, readable storage medium and program product

The invention relates to a bone nail classification method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps of obtaining a to-be-classified bone nail image; processing the to-be-classified bone nail image through the bone nail recognition model to obtain a bone nail type of the to-be-classified bone nail and a region of interest, the region of interest being an image including the to-be-classified bone nail; performing edge extraction on the region of interest through an edge recognition network to obtain edge information of the to-be-classified bone nails, and determining size information of the to-be-classified bone nails by using the edge information; and a control instruction is generated according to the bone nail type of the to-be-classified bone nail and the size information of the to-be-classified bone nail, the control instruction is transmitted to the mechanical arm, and the control instruction is used for instructing the mechanical arm to execute the classification action of the to-be-classified bone nail according to the bone nail type of the to-be-classified bone nail and the size information of the to-be-classified bone nail. By adopting the method, the bone nail classification efficiency can be improved.
Owner:CHINA RESOURCES PHARM COMMERCIAL GRP CO LTD

Internal fixing nail positioning guider with angle

The invention discloses an internal fixing nail positioning guider with an angle. The internal fixing nail positioning guider comprises a transverse holding handle, a protective sleeve, a turning guide sleeve, a flexible drilling device and a flexible driving device, the protective sleeve is fixed in the transverse holding handle; the turning guide sleeve is mounted at the front end of the protective sleeve, and an arc-shaped turning guide sleeve section is arranged at the front end of the turning guide sleeve; the flexible drilling device or the flexible driving device is arranged in the direction-changing guide sleeve from the rear end of the protective sleeve; a flexible rod is arranged between a drill bit and a drill rod of the flexible drilling device, and a flexible rod is arranged between a bone nail connector and a driving rod of the flexible driving device. The bone nail direction-changing guiding fixator is simple and practical in structure, and overcomes the defects that an existing linear bone nail guiding fixator cannot drill holes in a joint bone cavity in a direction-changing mode and cannot drive bone nails into the joint bone cavity in a direction-changing mode.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY) +1

Intramedullary bone cement supporting rod for proximal humerus fracture

The invention relates to the technical field of orthopedic biomedical treatment, in particular to a proximal humerus fracture intramedullary bone cement supporting rod. The bone fracture plate comprises a bone fracture plate body, a plurality of first connecting holes and a plurality of second connecting holes are formed in one side of the bone fracture plate body in a penetrating mode, and solid bone nails are arranged in the first connecting holes. According to the device, bone cement is injected into a marrow cavity from an injection molding channel and an injection molding opening and then solidified into a rod body, the marrow cavity space is tightly filled, supporting structures are synchronously formed on the inner side and the outer side of the humerus through cooperation of a bone fracture plate and a bone cement supporting rod in the marrow cavity space, and therefore stress generated when arms of a patient move is evenly dispersed on the two sides of the humerus; the fixing stability is remarkably improved, the risk of internal fixation failure such as steel plate displacement and screw cutting is effectively reduced, and the bone cement supporting rods can further prevent displacement of fracture blocks, promote fracture repair, relieve extrusion and friction of surrounding tissue of a filling position, reduce inflammatory response and postoperative pain and improve the rehabilitation comfort of a patient.
Owner:TONGLIAO HOSPITAL

Clamping devices for external fixation device

A clamping system includes a first clamp body including a first jaw, a second jaw, and a first aperture configured to receive a bone pin, the first clamp body is configured to receive a first connector rod between the first jaw and the second jaw, a second clamp body coupled to the first clamp body and including a third jaw, a fourth jaw, and a second aperture configured to receive the bone pin, the second clamp body configured to receive a second connector rod between the third jaw and the fourth jaw, and a securing assembly movable between a first position and a second position, such that moving the securing assembly from the first position to the second position reduces a distance between the first jaw and the second and reduces a distance between the third jaw and the fourth jaw.
Owner:STABILIZ ORTHOPAEDICS INC

Positioning osteotomy guiding auxiliary device for HTO operation

The invention discloses an HTO operation positioning osteotomy guiding auxiliary device, and relates to the technical field of medical instruments, the HTO operation positioning osteotomy guiding auxiliary device comprises a component A, a component B and a component C. The component B and the component C are assembled on the component A in a replaceable mode; the component A is connected with the component B, the component B is provided with at least one group of steel needle guide holes used for guiding steel needles to be placed, a swing saw guide hole parallel to the section where the steel needle guide holes are located and a coronal osteotomy guide hole forming an included angle of 110 degrees with the section where the steel needle guide holes are located, the component A is connected with the component C, and the component C comprises a first fixing part and a second fixing part. The first fixing part and the second fixing part are fixed with the tibia through bone nails, the second fixing part is overturned relative to the first fixing part, and the first fixing part is provided with a protractor for measuring the overturning angle of the second fixing part. According to the device, steel needle implantation, osteotomy, distraction and steel plate installation in the whole HTO operation can be completed, cost is low, and use is convenient.
Owner:THE FIRST HOSPITAL OF LANZHOU UNIV +1

Adjustable spine bone nail

The utility model relates to the technical field of medical instruments, in particular to an adjustable spine bone nail which comprises a connecting rod, a plurality of nuts are arranged at the bottom of the connecting rod, a screw plug is further arranged in each nut, the bottom end in each nut is connected with a pressing pad in a sliding mode, a ball is arranged at the bottom of each pressing pad, and the ball is connected with the connecting rod in a sliding mode. A top screw rod is arranged at the bottom of each ball body, an adjuster is arranged at the bottom of each top screw rod, an adjuster internal thread is fixed in each adjuster, a bottom screw is arranged at the bottom of each adjuster, and a spiral nail head is fixed at the bottom of each bottom screw; the top screw can be driven to rotate universally through rotation of the ball body, so that the adjustor rotates universally, the spiral nail head rotates universally and can adapt to spines at different positions, the fixing effect of equipment is guaranteed, and meanwhile the spine fixing accuracy is guaranteed.
Owner:THE AFFILIATED HOSPITAL OF QINGDAO UNIV +1

Robot calibration method for spine endoscopic surgery

The invention discloses a robot calibration method for spine endoscopic surgery, which comprises the following steps: S1, optical marking points are pasted on the skin or bony structure of a patient, the skin marking is used for fixing a reflective ball by using a medical adhesive tape, the bony marking is percutaneously implanted into a spinous process or crista iliaca through a titanium alloy bone nail, and at least six marking points are needed. According to the method, minimally invasive property and stability are both considered through a double marking strategy, six points cover three vertebral bodies to ensure the integrity of an anatomical range, registration errors caused by breathing / body position changes are reduced, meanwhile, non-rigid registration is combined with a B spline grid (10 mm) to consider calculation efficiency and spine physiological curvature adaptability, high-precision surface reconstruction is achieved through a Marching Cubes algorithm, and the method has the advantages of being high in precision and high in precision. An error suppression mechanism is formed by + / -0.25 mm precision and redundancy measurement (five times of sampling) of the optical tracking system, registration robustness is improved through SVD and ICP double-algorithm complementation, multi-constraint path planning is achieved through an A * algorithm and Monte Carlo simulation, and a 4 mm safety corridor provides a buffer space for instrument errors.
Owner:BAOJI TRADITIONAL CHINESE MEDICINE HOSPITAL

Bone nail implanting device

The utility model discloses a bone nail implanting device which comprises an implanting device and a bone nail, the implanting device comprises an h-shaped main frame and an adjusting frame, the main frame comprises a long-strip-shaped main frame and an L-shaped auxiliary frame, a guide mechanism is arranged in the main frame, one end of the main frame is a handheld end, the other end of the main frame is an open end and accommodates the bone nail, and the adjusting frame is arranged on the main frame. The guide mechanism pushes the bone nail to move along the axial direction of the main frame; one end of the auxiliary support is fixedly connected with the main frame, a fixing plate is arranged at the other end of the auxiliary support, a sliding rod is vertically arranged on the fixing plate, a sliding block is arranged on the sliding rod in a sleeved mode, a pressing piece close to the open end is arranged on the sliding block, a first groove is formed in the sliding block, one end of the adjusting frame is movably arranged in the first groove, and the other end of the adjusting frame is movably arranged in the second groove. The other end of the adjusting frame is an operation end, and the middle of the adjusting frame is hinged to the middle of the main frame. According to the bone nail implanting device, drilling and implanting can be combined together, and bone nail implanting is more convenient.
Owner:CHANGCHUN SINOBIOMATERIALS CO LTD

Nail taking device and nail taking method for orthopedics department

The invention provides a nail taking device and a nail taking method for the orthopedics department, and relates to the technical field of equipment for orthopedic surgery. The orthopedic nail taking device comprises a base, an operating bed, a second box body, a first box body, two adjusting plates and a nail taking head, the operating bed is fixedly installed at the top of the base, the two adjusting plates are fixedly installed on the two sides of the operating bed respectively, the nail taking head is arranged at the top of the operating bed, and the first box body and the second box body are fixedly installed at the top of the base. The two adjusting plates are rotatably provided with the same operation frame, the top of the operation frame is slidably provided with a cylinder body, the top of the cylinder body is rotatably provided with a limiting cylinder, and the top of the limiting cylinder is provided with a second lead screw in a penetrating manner. The nail taking device for the orthopedics department has the advantages of being convenient to use, capable of preventing a bone nail from loosening and falling off, capable of preventing the bone nail from falling into surrounding tissue due to accidental loosening in the screwing-out process, capable of cleaning the bone nail in time, and capable of preventing impurity drying and cleaning difficulty increase caused by waiting for cleaning.
Owner:QIQIHAR JIANHUA HOSPITAL CO LTD

Flexible traction device for pelvic fracture reduction

PendingCN120477910ADiagnosticsSurgeryPelvic regionManual traction
The invention discloses a flexible traction device for pelvic fracture reduction. The flexible traction device comprises a translation unit, a lifting unit, a rotation unit, a traction rope winding and unwinding unit, a traction rope, a tensioning unit, a traction force monitoring unit and a bone nail clamping unit. By means of specific arrangement of the units and cooperative arrangement of the units, the problems that traditional manual traction operation is unstable, traction force is insufficient and the like are solved, damage to soft tissue is reduced, the risk of postoperative complications is reduced, stable and accurate support is provided for large traction force needed by pelvic fracture reduction, and the operation efficiency is improved. And the traction effect and the stability of the traction device are greatly improved.
Owner:BEIJING DADING FRONTIER MEDICAL TECHNOLOGY CO LTD

Bone nail automatic identification and dosage confirmation method based on multi-feature collaborative reasoning

The invention discloses a bone nail automatic identification and dosage confirmation method based on multi-feature collaborative reasoning. The method comprises the following steps: firstly, collecting a multi-view image sequence of a bone nail box in an initial state to obtain a bone nail recognition image sequence; based on the image sequence, extracting boundary information of a bone nail placing position, and generating a bone nail structure map used for representing a relative position relation of placing areas; combining the structural atlas with the image sequence, extracting image features of each placement area, and performing comparison identification based on standard shape features of the bone nail to obtain an identification result; the recognition result is compared with a historical use behavior mode, potential abnormity is recognized, and a corrected enhanced recognition result is output; respectively executing the steps before and after an operation, obtaining an enhanced recognition result and performing difference comparison to obtain bone nail use difference information; and bone nail use confirmation information is generated in combination with the operation identifier, the identification confidence and the acquisition time, and is written into a non-tampering storage medium, so that closed-loop tracing of nail use records is realized.
Owner:THE FIRST AFFILIATED HOSPITAL ZHEJIANG UNIV COLLEGE OF MEDICINE

Absorbable net-shaped device for fixing bone grafting material

The utility model discloses an absorbable net-shaped device for fixing bone grafting materials, and relates to the technical field of medical oral cavity, the absorbable net-shaped device comprises a woven net and bone nails, the woven net is made of absorbable biological materials, tightening ropes are arranged at four corners of the woven net, and each tightening rope is correspondingly wound on one bone nail. The bone nail is rotationally nailed into the dentale, the woven net is tightened to fix the bone grafting material, meanwhile, the woven net is an absorbable biological material and does not need to be taken out through a special operation in the later period, and the pain of a patient and the medical burden are greatly relieved.
Owner:FIRST AFFILIATED HOSPITAL OF XINJIANG MEDICAL UNIVERSITY

Bone nail hook device for orthodontics

The utility model discloses a bone nail hook device for orthodontics, which comprises a bone nail with self-tapping threads, a drill bit is arranged at the front end of the bone nail, and an extension fixing seat is arranged at the rear end of the bone nail; the extension fixing base comprises a cylindrical base body, the bottom of the base body is in non-rotation connection with the rear end of the bone nail, at least one hook extending outwards is arranged on the side face of the base body, a hook claw is arranged at the end, away from the base body, of the hook, and a hemispherical top is arranged at the top of the base body. The implanting flexibility of the bone nail is improved, and the operation difficulty is reduced; the hanging range of the correcting device is expanded through the extending design of the hook; and the mechanical design difficulty during correction is reduced.
Owner:GUANGZHE BIOTECH MEDICAL EQUIPMENT CO LTD

Multi-column integrated biological fixation partial femoral head replacement device

PendingCN120938679AJoint implantsFemoral headsNormal boneRight femoral head
The invention provides a multi-column integrated biological fixation partial femoral head replacement device, and relates to the field of medical instruments. The device comprises a bone nail, an auxiliary fixing piece and a joint prosthesis, the bone nail is provided with a first end part and a second end part nailed into a femoral neck medullary cavity, and the first end part, the auxiliary fixing piece and the joint prosthesis are integrally formed; the auxiliary fixture has a first surface and a second surface in contact with the conical osteotomy femoral head to prevent sinking and lateral rotation. The joint prosthesis only replaces the cut part of the necrotic femoral head, more normal sclerotin can be reserved, trauma is small, femoral head supporting and bearing are not affected or changed, long-term stability of the joint prosthesis is guaranteed, and meanwhile future rebuilding is facilitated. In addition, the first end part, the auxiliary fixing piece and the joint prosthesis are integrally formed, so that joint prosthesis failure caused by looseness or corrosion among the first end part, the auxiliary fixing piece and the joint prosthesis can be avoided.
Owner:上海大博医疗科技有限公司

Sacroiliac fusion implant

A sacroiliac fusion implant device assembly has an implant body with a sliding block and a pair of movable bone spikes. The distal end has a tapered end with an opening configured to receive a guide pin during insertion into a joint between a sacrum and an ilium, and the proximal end has a cannulated threaded post configured to receive a guide pin and to move a sliding block. The sliding block is movable from a retracted unlocked position and to a deployed locked position when moved toward the distal end as the threaded post is rotated clockwise. The bone spikes are movable from a retracted position in the implant body to an exposed deployed locked position by moving the sliding block which presses the spikes up and out of the retracted position extending the bone spikes into bone in the sacroiliac joint.
Owner:LEWIS ADAM ISAAC +1

Medical equipment for bone nail drilling in orthopedics department

The orthopedic bone nail drilling medical equipment comprises a workbench, a positioning block is arranged at the left end of the upper end face of the workbench, a limiting clamping plate is arranged at the right end of the positioning block, a positioning clamping groove is formed between the left end face of the limiting clamping plate and the right end face of the positioning block, and a plurality of flow guide grooves are formed in the bottom of the positioning clamping groove; a liquid collector is arranged at the lower end of the flow guide pipe; first cylinders are arranged at the right ends of the limiting clamping plates; a rear positioning support is arranged at the rear end of the positioning clamping groove, and a drilling device fixing frame is arranged on the rear positioning support. A drilling device, a lighting device and a camera device are arranged right above the positioning clamping groove; and a punching positioning device is fixedly arranged on the positioning block. According to the technical scheme, the structural design is reasonable, the drilling part of a patient can be clamped and fixed, the drilling part is prevented from deviating in the drilling process, the part needing to be drilled is drilled, the drilling accuracy is improved, the working efficiency is improved, and practicability is good.
Owner:HEFEI MIANKANG MEDICAL TECHNOLOGY CO LTD

Clinical lower tibia fusion plate for orthopedics department

The lower tibia fusion plate structurally comprises an upper plate part, a fusion plate body, a groove, an accessory assembly, a debugging structure and an auxiliary handle, the upper plate part is connected to the end of the fusion plate body in a sleeving mode, the debugging structure is installed in the middle of the fusion plate body through the groove, and the accessory assembly and the auxiliary handle are arranged on the outer side of the fusion plate body; by means of the accessory assembly and the debugging structure arranged in the middle and outside the fusion plate body, when the fusion plate body, the upper plate piece and the auxiliary handle are connected with the tibia through bone nails, the debugging structure in the groove in the middle of the fusion plate body can increase the fixing strength of the middle of the fusion plate body and the tibia in an abutting mode; in the tibia recovery period, the fixing strength of the auxiliary handle and the tibia can be adaptively adjusted on the outer side of the fusion plate body in an inclined mode by means of the accessory assembly, the overall strength of the fusion plate is better improved, the body weight of the human body can be supported, and the healing recovery process of the tibia can be accelerated.
Owner:AFFILIATED HOSPITAL OF ZUNYI UNIV

An orthopedic surgery multi-angle automatic nail extraction device

The present invention discloses a multi-angle automatic nail removal device for orthopedic surgery, comprising a robotic arm assembly, the robotic arm assembly including a mounting seat, a support body mounted on the top pivot portion of the mounting seat, and a rotating shaft assembly mounted on one side of the support body. The multi-angle automatic nail removal device for orthopedic surgery realizes forward and backward displacement of the top plate under the push of a cavity column and an electric push rod, and the arc-shaped push block provided on the upper surface thereof expands outward, and its circular expansion mechanism is inserted into the cavity of the fractured bone nail, thereby making contact with the fractured bone nail cavity and extracting the fractured bone nail from the bone body. When the roller moves toward the right side of the notch of the strip groove, the clamping hand connected to one end thereof expands outward, and the cortical part is stretched open, thereby facilitating the extraction of the fractured bone nail from the bone body.
Owner:GENERAL HOSPITAL OF THE NORTHERN WAR ZONE OF THE CHINESE PEOPLES LIBERATION ARMY

Supporting piece for orthopedics department

The invention relates to an orthopedic support comprising a spinous process support comprising a first portion configured to secure a first spinous process, a second portion configured to secure a second spinous process, and a third portion connected between the first portion and the second portion configured to support the first spinous process and the second spinous process; wherein the first part or the second part respectively comprises two sub-parts which are at least positioned on two sides of the first spinous process or the second spinous process. Adjacent spinous processes are respectively clamped and fixed by utilizing the structure of the device without fixing by bandages or bone nails, so that the stability and controllability of the movement of the lumbar vertebra structure can be achieved, the original movement of the lumbar vertebra is simulated, the dynamic movement of the spine is ensured, and the postoperative movement of a patient is more flexible.
Owner:JIANG SU SHU HUAN YU ZE YI LIAO KE JI YOU XIAN GONG SI

Tooth supporting type lower jawbone tractor fixing guide plate and manufacturing method

The invention discloses a tooth supporting type mandible tractor fixing guide plate and a manufacturing method, the fixing guide plate comprises a tooth fixing part, a connecting rod and a guide plate body, the tooth fixing part is fixed on a part of dentition of the lower jaw, and the two ends of the connecting rod are respectively fixed on the tooth fixing part and the guide plate body; a plurality of fixing holes used for determining the three-dimensional position of the retractor are formed in the guide plate body, first baffles protruding out of the guide plate body are arranged at the positions of the fixing holes, and bone nail guide grooves are formed in the surface of the guide plate body; the bone nail guide groove is formed by a strip-shaped groove formed in the guide plate body or a second baffle arranged on the guide plate body. After the fixing guide plate is implanted into a target position, a bone nail slides into the fixing hole along the bone nail guide groove, and the first baffle plate limits the bone nail to increase the accuracy, so that the fixing guide plate only needs to see the edge of the guide plate body close to the tooth side, the visual field exposure surface in an operation is reduced, the bone nail is guided to be in place from a minimally invasive intraoral incision, and the operation efficiency is improved. And safety and accuracy are both considered.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Magnesium alloy bone nail convenient to install

The invention relates to the technical field of magnesium alloy bone nails, and discloses a magnesium alloy bone nail convenient to install, the magnesium alloy bone nail comprises a bone nail and a steel plate, nickel-titanium alloy is arranged on the outer side face of the bone nail, the nickel-titanium alloy has a shape memory effect and superelasticity, and the bone nail comprises a middle section structure, a tail end structure, a front section structure and a tip end; the steel plate comprises a device shell, a connecting hole is formed in the device shell, a spring damper and a spring damping device are fixedly connected to the inner wall of the connecting hole, a rotating shaft is fixedly connected to the side face of the spring damping device, a connecting plate is rotationally connected to the rotating shaft, and a connecting clamping plate is fixedly connected to the side face of the spring damper. The connecting clamping plate is movably connected with the device shell; the device is provided with a connecting plate, a connecting clamping plate, a spring damper, a rotating shaft and a spring damping device, looseness can be avoided during bone nail installation, the accuracy and stability of installation are improved, and the discomfort of a patient and the examination frequency can be reduced by arranging an intelligent monitoring system.
Owner:ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE

Single-rod type bone setting external fixing support

Aiming at the problems in the prior art, the utility model provides a single-rod type bone setting external fixation support which is characterized by comprising an elbow end block, an end block, at least one middle block, a rod, at least one one-way bone nail, at least one universal bone nail, a supporting rod, a supporting block, at least two joint blocks and at least two locking plate screws, the fixing device composed of the supporting block, the supporting rod and the connector block can enhance the strength of the rod between the elbow end block and the supporting block, and the sections with the strength needing to be increased can be adjusted according to actual conditions so as to be suitable for being fixed to clinical fractures under different conditions.
Owner:YUNNAN OPPOS MEDICAL TECH CO LTD

Positioning plate for treating femoral neck fracture, preparation equipment and preparation method

The invention discloses a femoral neck fracture treatment positioning plate, preparation equipment and a preparation method, the positioning plate comprises a main body plate and an adjustable guide module, the shape of the main body plate is matched with the anatomical form of the outer side bone surface of the proximal femur, and the main body plate is provided with at least one bone nail hole. The individualized main body plate accurately matched with the anatomical form of a patient is introduced, and the adjustable guide modules of various innovative designs are combined, so that the problem that a traditional positioning plate is poor in universality is effectively solved, and anatomical differences and operation requirements of different patients can be perfectly met; a spherical hinge, an offset sliding block-arc-shaped guide rail, an elastic deformation ring, a modularized guide sleeve and other structures are adopted by the guide module, the space angle stepless adjusting function is ensured, meanwhile, the mechanical structure is remarkably simplified, redundant parts are eliminated, high-rigidity and gapless locking is achieved, micro-motion and displacement in an operation are thoroughly avoided, and the operation efficiency is improved. And the accuracy and the reliability of screw placement are greatly improved.
Owner:SUZHOU GEMMED MEDICAL INSTR

Orthopedic surgery medical consumable intelligent inspection equipment

The utility model discloses orthopedics operation medical consumable intelligent equipment of checking goods relates to orthopedics consumable checking goods technical field, including the cabinet, the upper half of cabinet is set up as the goods checking room, the lower half of cabinet is set up as the warehouse, the goods checking room inside fixedly connected with the goods checking table, the bottom fixedly connected with the fixed base of goods checking table, the fixed base inside fixedly connected with the first guide rail, one side of first guide rail inner chamber is rotatably connected with the lead screw, the other side fixedly connected with first motor of first guide rail inner chamber, the output of first motor is fixedly connected with the one end of lead screw, the outside screw thread connection of lead screw has the drive block, compared with traditional goods checking table equipment, this orthopedics operation medical consumable intelligent equipment occupies small space, all commonly used buttons and keys of equipment are in the right side of equipment, and it is convenient for artificial operation, guarantees that the bone nail carrier can be automatically identified in the goods checking table inside, and artificial operation is not needed.
Owner:XINDE GUANGYUAN (BEIJING) INFORMATION TECH CO LTD

Sacroiliac fusion implant

A sacroiliac fusion implant device assembly has an implant body with a sliding block and a pair of movable bone spikes. The distal end has a tapered end with an opening configured to receive a guide pin during insertion into a joint between a sacrum and an ilium, and the proximal end has a cannulated threaded post configured to receive a guide pin and to move a sliding block. The sliding block is movable from a retracted unlocked position and to a deployed locked position when moved toward the distal end as the threaded post is rotated clockwise. The bone spikes are movable from a retracted position in the implant body to an exposed deployed locked position by moving the sliding block which presses the spikes up and out of the retracted position extending the bone spikes into bone in the sacroiliac joint.
Owner:LEWIS ADAM ISAAC +1

Improved tibial plateau steel plate navigation positioning support

The invention relates to the technical field of medical instruments, in particular to an improved tibia plateau steel plate navigation positioning support which comprises a tibia steel plate, a plurality of nail planting holes and a plurality of positioning holes. The positioning mechanism comprises an L-shaped plate, the L-shaped plate is connected with the tibia steel plate through an adjusting mechanism, the side wall, away from the tibia steel plate, of the L-shaped plate is fixedly connected with a positioning plate, the side wall of the positioning plate is fixedly connected with a plurality of navigation cylinders in a penetrating mode, and the side walls, away from the tibia steel plate, of the plurality of navigation cylinders are fixedly sleeved with hexagonal plates; and a stabilizing mechanism for stabilizing the position of the positioning plate is arranged on the positioning plate. After the tibia steel plate is preliminarily connected with the side face of the tibia, the positioning mechanism is installed on the tibia steel plate at the moment, the multiple navigation cylinders right face the front face of the tibia, then medical staff can implant bone nails into the tibia from front to back through the multiple navigation cylinders, and the bone nails and bone nails implanted into the tibia from left to right form a # shape; and the bone fracture at the tibia is fixed more firmly.
Owner:CHONGQING RONGCHANG DISTRICT PEOPLES HOSPITAL

Combined internal fixator for cross-micro-motion joint fixation and fixation method

This invention belongs to the field of medical devices, specifically a combined internal fixator and fixation method for fixing joints with micro-motion. The combined internal fixator includes a first bone screw and a second bone screw. A movable connecting structure is provided between the connecting ends of the first and second bone screws. The movable connecting structure includes a groove and a shaft. The groove includes an insertion port and a mounting groove communicating with the insertion port. The mounting groove has a semi-circular cross-section. The shaft includes a semi-circular shaft adapted to the mounting groove, which is rotatably accommodated within the mounting groove, allowing the first and second bone screws to rotate relative to each other around a first radial axis. This invention, through a hook-groove sliding self-locking structure, achieves controllable micro-motion and integrated implantation for fixing joints with micro-motion. It has achieved significant technological advancements in preserving joint physiological function, simplifying surgical procedures, avoiding secondary surgeries, and reducing the incidence of complications. It has important clinical application value and is suitable for fixing joints with micro-motion.
Owner:TONGLING PEOPLES HOSPITAL

Special silk screen membrane for bone repair and preparation method thereof

The invention provides a special silk screen membrane for bone repair and a preparation method thereof, which comprises an anti-inflammatory drug, a nano inorganic calcium salt and a biodegradable polymer, and potassium citrate and sodium bicarbonate are added to buffer the pH change in the degradation process of magnesium alloy bone nails, bone lamellas and polylactic acid. The nano inorganic calcium salt is grafted to a polylactic acid molecular chain by using a graft polymer, a catalyst and the like, so that the silk screen film continuously releases bone repair factors in the degradation process, and bone repair is more facilitated. Plasma is used for treating the electrostatic spinning membrane, the treated electrostatic spinning membrane has better adhesion capacity to anti-inflammatory drugs, and when the membrane is used in cooperation with materials such as magnesium alloy bone nails and bone lamellas, aseptic inflammation caused by magnesium alloy degradation can be effectively relieved. The number of layers of the silk screen films is calculated according to the use amount of the magnesium alloy bone nail and bone plate, and the corrosion speed of the magnesium alloy is controlled through 1-5 layers of silk screen films, so that the magnesium alloy material gives full play to the effect.
Owner:OLYDE (GUANGZHOU) TECHNOLOGY CO LTD