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175 results about "Bone nailing" patented technology
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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
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
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
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
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
ActiveCN120976584ADatabase distribution/replicationDigital data protectionPotentially abnormalImaging Feature
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
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
Positioning plate for treating femoral neck fracture, preparation equipment and preparation method
PendingCN121313292AInternal osteosythesisAdditive manufacturing apparatusScrew placementGonial angle
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
High-stability anti-allergic bone screw
The high-stability anti-allergic bone screw comprises a hollow outer screw body and a solid inner screw body, an expansion base is arranged at the bottom of the hollow outer screw body, the expansion base is cylindrical, an expansion groove is formed in the expansion base, a locking inner thread is arranged on the inner wall of the end, close to the expansion base, of the hollow outer screw body, and the inner wall of the end, close to the expansion base, of the hollow outer screw body is provided with a locking outer thread. An opening is formed in the other end of the hollow outer nail, an auxiliary connecting ring is arranged on the outer surface of the opening, an auxiliary connecting hole is formed in the auxiliary connecting ring, and a positioning screw is arranged in the auxiliary connecting hole; the bone nail has the advantages that the hollow outer nail and the solid inner nail are matched to form two-section type fixation, an expansion bolt structure is formed at the bottom through the expansion base to reinforce the stability of human bones, and the auxiliary connection ring and the positioning screw are matched on the surface of the bone nail for auxiliary reinforcement; the overall stability and firmness of the bone nail after bone setting are improved, and displacement and loosening of the bone nail are avoided.
Owner:JIANGSU JIEOU MEDICAL TECH CO LTD
Device for treating a bone fracture
The invention relates to an apparatus for treating a fracture of a bone, in particular a human long bone, comprising a bone nail (1) having a first end (2) and a second end (3), with at least one first bore (4) in a region of the first end (2) and at least one second bore (5) in a region of a second end (3) being provided transversely to a longitudinal axis (6) of the bone nail (1), so that the bone nail (1) can be fixed in place in the bone by locking pins (7) arranged in the bores (4, 5) and protruding out of the bores (4, 5). In order to enable a stable positioning in a bone in a simple manner, it is provided according to the invention that the bone nail (1) comprises a channel (8) that extends, at least in regions, approximately along a longitudinal axis (6) in the bone nail (1) and, on one side, is connected to the at least one second bore (5) and, on the other side, to an introduction opening (9) arranged in a region between the first end (2) and the second bore (5) in a lateral surface (19) of the bone nail (1), so that an illumination of the second bore (5) is possible from an interior of the bone nail (1) in that a lamp (10) is inserted into the channel (8) via the introduction opening (9) and is moved into a region of the second bore (5) in order to be able to determine a position of the second bore (5) with the aid of an emission of light from the second bore (5) when the bone nail (1) is arranged in a bone.
Owner:AUF WOLFGANG
Clinical nail taking equipment for orthopedics department
ActiveCN223323586UInstruments for stereotaxic surgeryOsteosynthesis devicesOrthopedic departmentNail removal
Owner:CHENZHOU NO 1 PEOPLES HOSPITAL
Screw disinfection device for fracture surgery
The invention discloses a screw disinfection device for fracture surgery, and belongs to the technical field of disinfection and storage of medical supplies, the screw disinfection device for fracture surgery comprises a disinfection placement box for storing disinfection bone screws and a sealed antibacterial top sealing cover, two symmetrically-arranged pressure sealing structures used for pressing and sealing are arranged between the top sealing cover and the two sides of the disinfection containing box, a containing jacking structure used for slightly jacking bone nails to facilitate clamping is arranged on the inner side of the disinfection containing box, and a V-shaped guide plate is fixedly connected to the position, located below the containing jacking structure, of the inner wall of the disinfection containing box. According to the bone nail disinfection device, by arranging the placing and jacking structure, a to-be-used bone nail after disinfection can be slightly jacked by 2-2.5 mm, a worker can conveniently clamp the bone nail, the bone nails with different lengths can be jacked to the same height, the adaptability is high, meanwhile, the bone nails can be disinfected and killed without dead corners through vortex high-temperature liquid, and disinfection and killing are more thorough.
Owner:THE SECOND AFFILIATED HOSPITAL OF NAVAL MEDICAL UNIVERSITY PLA
Minimally invasive distraction instrument for spinal fracture reduction
The invention provides a minimally invasive distraction instrument for spinal fracture reduction, and relates to the technical field of medical instruments.The minimally invasive distraction instrument comprises a base, a supporting structure and a moving structure are arranged on the base, a fixing structure and a mounting structure are arranged on the supporting structure, an auxiliary distraction structure is arranged on the mounting structure, and a distraction structure is arranged in the mounting structure; a clamping structure is arranged at the bottom of the opening structure, a connecting structure is arranged between the opening structure and the clamping structure, the clamping structure comprises a connecting block, a fine adjustment structure is rotationally matched with the lower side of the connecting block, and a clamping plate is arranged on one side of the fine adjustment structure. According to the bone nail distraction device, the supporting structure and the moving structure are mounted on the base, the fixing structure and the mounting structure are mounted on the supporting structure, the auxiliary distraction structure and the distraction structure are arranged on the mounting structure, and the bone nails can be driven to move through the distraction structure, so that the bone nails can be driven to perform distraction action and can also be subjected to traction work; therefore, the application range of the device is expanded.
Owner:TIANSHUI FOOT SURGERY HOSPITAL
Preparation method of bone nail and bone nail
The invention discloses a preparation method of a bone nail and the bone nail, and the method comprises the following steps: pretreating a silk raw material to obtain a target silk protein solution; the target silk protein solution is subjected to shaping, drying demolding and first-time machining, and an initial silk protein bar is prepared; performing wet stretching and fixing process treatment on the initial silk protein bar to obtain a treated silk protein bar; and carrying out secondary machining on the treated fibroin bar to obtain the target fibroin bone nail. According to the application, the silk protein bar is subjected to wet stretching fixing process treatment, and the target silk protein bone nail prepared based on the stretched silk protein bar has the hydration response shrinkage characteristic, can slowly shrink in vivo, provides compression force, promotes bone restoration and stimulates bone healing, and is wide in applicability and low in cost.
Owner:NANJING XINSIRONG BIOTECHNOLOGY CO LTD
Nail taking equipment for orthopedics department and use method of nail taking equipment
The invention discloses orthopedic nail taking equipment and a using method thereof, and relates to the technical field of medical nail taking devices.The orthopedic nail taking equipment comprises a nail taking device used for fixing the end of a bone nail and stably moving the bone nail out, the nail taking device comprises a mounting shell and a fixator, one side of the mounting shell is of an opening structure, and a positioning opening is formed in the other side of the mounting shell; the fixator comprises a fixing shell, a mounting piece and a rotary nail clamping assembly, the fixing shell is clamped in the positioning opening, the mounting piece is mounted on one side of the fixing shell, the mounting piece is clamped in the mounting shell, the rotary nail clamping assembly is arranged in the fixing shell, and the rotary nail clamping assembly is used for clamping, fixing and loosening the end of the bone nail. The exposed part of a forearm bone nail of a patient can be fixed through the nail taking device and the positioning assembly, the bone nail can be driven to rotate and be separated from a forearm muscle adhesion position when the bone nail is automatically fixed through the rotating nail clamping assembly, and meanwhile the pulling-out angle of the bone nail can be limited; therefore, the muscle of the patient can be prevented from being torn and damaged when the nail is taken.
Owner:安徽省宿州市立医院