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44 results about "Bone masses" patented technology
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A patient who presents with a painless bony mass either complain about the mass itself or the effects of the mass on surrounding structures such as nerves and joints. The absence of pain is usually a good prognostic feature, since aggressive and malignant bone tumors are generally painful.
Knotless suture anchor assembly
InactiveUSRE37963E1Eliminate needPrevent excessive insertion depthSuture equipmentsSnap fastenersSuture anchorsSurgical department
A one-piece or two-piece knotless suture anchor assembly for the attachment or reattachment or repair of tissue to a bone mass. The assembly allows for an endoscopic or open surgical procedure to take place without the requirement of tying a knot for reattachment of tissue to bone mass. In one embodiment, a spike member is inserted through tissue and then inserted into a dowel-like hollow anchoring sleeve which has been inserted into a bone mass. The spike member is securely fastened or attached to the anchoring sleeve with a ratcheting mechanism thereby pulling or adhering (attaching) the tissue to the bone mass.
Owner:THAL RAYMOND
Packed demineralized cancellous tissue forms for disc nucleus augmentation, restoration, or replacement and methods of implantation
Owner:MUSCULOSKELETAL TRANSPLANT FOUND INC +1
Piezoelectric, micro-exercise apparatus and method
An apparatus and method for micro-exercise apply piezoelectric stress to cells of a bone mass by inducing voltages in the bone mass. Application of dynamic, electromagnetic fields passing through the conductive bone mass induce currents and voltages locally in and around cells or groups of cells. The cells respond to the combination of mechanical stress and strain by building themselves up as they would if they had been subjected to the stress and strain of conventional exercise. Thus, micro-exercise at a cellular level of the bone mass can be stimulated as if the stress and strain had been applied to the entire bone structure of which the smaller cellular portions are constituent parts. In combination with casts or splints, the sources of electromagnetic flux may be embedded in the frame or solid structure, the protective padding added for comfort, or both.
Owner:PULSE LLC
Distraction device for maxillofacial surgery
InactiveUS20030105463A1Easy to applyLittle and no inconvenienceJoint implantsFractureDistractionEngineering
The invention relates to a device that may be used in maxillofacial surgery and dentistry. The device comprises a translating bracket with a cylinder and a fixed bracket with a chamber. A distraction screw is mounted through the cylinder and with one end resting on the chamber. By turning this screw when the device has been mounted on bone pieces osteogenesis can be achieved. The device can be made suitable for both dentulous and edentulous patients with alveolar defects.
Owner:FACEWORKS SOLUTIONS & TECH
Method of making bone particles
ActiveUS20060024656A1Easily subdividedHigh yieldBone implantVertebrate cellsBone particlePlastic surgery
The present invention relates to a method for making bone particles from bone of a variety of sizes and a workpiece forming and holding device for use with the method. The workpiece forming device includes a base and a base frame attached to the surface of the base. An apparatus for forming a solidified mass of bone and immobilization medium is also provided which includes the workpiece forming device and a detachable former member enclosing the base frame. Bone is immersed in an immobilization medium within such workpiece forming device, which is solidified to form a solidified mass of bone and immobilization medium and then subdivided to provide particles of bone in association to with immobilization medium. The immobilization medium may be optionally removed to leave bone particles suitable for use in orthopedic applications including implants.
Owner:WARSAW ORTHOPEDIC INC
Method of making bone particles
ActiveUS8323700B2High yieldEasy to useBone implantDead animal preservationEngineeringPlastic surgery
The present invention relates to a method for making bone particles from bone of a variety of sizes and a workpiece forming and holding device for use with the method. The workpiece forming device includes a base and a base frame attached to the surface of the base. An apparatus for forming a solidified mass of bone and immobilization medium is also provided which includes the workpiece forming device and a detachable former member enclosing the base frame. Bone is immersed in an immobilization medium within such workpiece forming device, which is solidified to form a solidified mass of bone and immobilization medium and then subdivided to provide particles of bone in association to with immobilization medium. The immobilization medium may be optionally removed to leave bone particles suitable for use in orthopedic applications including implants.
Owner:WARSAW ORTHOPEDIC INC
Method and apparatus for a continuous compression implant
InactiveUS20200038076A1Prevent movementInternal osteosythesisSurgical staplesPlastic surgeryHead bones
An orthopedic implant includes an unconstrained shape and a constrained insertion shape. The orthopedic implant includes first and second legs and a body with a central axis and first and second ends. The body includes a first aperture therethrough positioned at the first end that receives a fixation device for securing the body at the first end with bone, bones, bone pieces, or tissue. The body further includes a second aperture therethrough positioned at the second end that receives a fixation device for securing the body at the second end with bone, bones, bone pieces, or tissue. The first leg extends from the body at a position interior of the first aperture, while the second leg extends from the body at a position interior of the second aperture.
Owner:DEPUY SYNTHES PROD INC
Orthopedic fixation system and method of use thereof
ActiveUS20200000464A1Easy to integrateInternal osteosythesisDiagnosticsOrthopedic departmentHead bones
An orthopedic fixation system fuses bone, bones, or bone pieces in a predetermined anatomical position. The orthopedic fixation system includes an implant that transitions between an unconstrained shape and a constrained insertion shape, a drill guide, first and second K-wires, and a cannulated drill bit. The drill guide and the first and second K-wires retain the bone, bones, or bone pieces in an anatomical position corresponding with the predetermined anatomical position. The cannulated drill bit fits over the first and second K-wires and drills, respectively, first and second drilled holes into the bone, bones, or bone pieces. After insertion of the implant into the first and second drilled holes, the implant attempts to transition from its constrained insertion shape to its unconstrained shape such that the implant continuously compresses the bone, bones, or bone pieces thereby holding the bone, bones, or bone pieces in the predetermined anatomical position.
Owner:DEPUY SYNTHES PROD INC
Bone grafting suite and bone grafting method
ActiveCN106880397AShorten the recovery periodEasy to operateOsteosynthesis devicesBone tissueBone growth
The invention discloses a bone grafting suite. The bone grafting suite comprises a drill rod, a scraper, a bone grafting device and a blocking component, wherein the front end of the drill rod is provided with a drill which drills into bone to build a bone grafting passage; the scraper is used for scraping off bone tissue which needs to be removed in the bone; the bone grafting device is used for rebuilding a bone bed; the blocking component is used for blocking the bone grafting passage. In the bone grafting suite, the scraper is utilized to extend into the bone grafting passage to scrape off the bone tissue which needs to be removed, remove the diseased bone tissue and eliminate the source of bone diseases from the source. During later recovery, absorption of a bone bed forming material forming the bone bed and bone growth have a matching attribute, absorption of the bone bed forming material and the blocking component has a gradient, the bone bed forming material is absorbed, grows and forms new bone tissue firstly, then the blocking component is gradually absorbed by the bone to grow and form a new bone block, and finally the bone recovers to a healthy state. The bone grafting suite is simple in operation and convenient to use, meanwhile can solve the bone issue problem from the source once and for all, and reduce pain and expenditure of a patient.
Owner:HENAN POLYTECHNIC UNIV
Method of Attaching Soft Tissue to Bone
ActiveUS20080009730A1Reduce bleedingAvoid transmission lossSuture equipmentsUltrasonic/sonic/infrasonic diagnosticsShock waveMuscle tissue
A method of attaching or reattaching a ligament, tendon, cartilage or other soft tissue to a bone mass has the steps of: positioning or placing the ligament, tendon, cartilage or other soft tissue adjacent to the bone mass; anchoring or otherwise fastening the ligament, tendon, cartilage or soft tissue to the bone mass; and transmitting shock waves to the ligament, tendon or other soft tissue and the bone mass. Preferably the ligament, tendon, cartilage or other soft tissue is positioned in the path of the emitted shock waves and away from geometric focal volume or point of the emitted shock waves. The shock waves may be transmitted during the surgical procedure or post operatively in one or more treatment dosages or both. In so treating the ligament, tendon, cartilage or other soft tissue should be positioned at a distance away from any geometric focal point to minimize hemorrhaging. The soft tissue may include cartilage or muscle tissue. In the case of cartilage, the tissue can be inserted into a bone mass prepared cavity and optionally anchored there by a covering bone plug.
Owner:SOFTWAVE TISSUE REGENERATION TECH LLC
Method for fixing open bone defect by negative-pressure closed irrigation and autograft
InactiveCN103830793AImprove the level ofReduce the totalEnemata/irrigatorsSurgeryPerfusionMedullary cavity
The invention discloses a method for fixing open bone defect by negative-pressure closed irrigation and autograft. The method comprises the following steps of washing a wounded limb three times by using a sterile brush after anesthesia on a patient is successful; washing a wound surface and the periphery of the wound surface by using III-type entoiodine liquid and normal saline sequentially; sterilizing and paving a drape; performing debridement and probing; removing polluted, necrotic and deactivated tissues; striking off polluted tissues of capitula and medullary space; reserving free bone blocks; irrigating a wound again by using III-type entoiodine and normal saline; paving a drape again; resetting the free bone blocks; fixing the free bone blocks by selecting a steel plate, intramedullary nails or an external fixing rack; covering anadesma and soft tissues surrounding a bone planting area by using negative-pressure closed irrigation dressings; detaching a negative-pressure closed irrigation and perfusion device; probing the wound surface; selectively performing negative-pressure closed irrigation and skin flap transfer surgery or skin-grafting and negative-pressure closed irrigation surgery on the granulation wound surface again; and closing the wound surface. By using the method, infection, osteomyelitis, delayed union and bone ununion can be effectively prevented, the level of the clinical medical science is improved, and the therapeutic cost is reduced.
Owner:杨雷刚
Ligament tibia dead point avulsion fracture fixing device and matched operation method thereof
InactiveCN112472266ALow costReduce postoperative recovery timeInternal osteosythesisBone platesTibial boneArthroscopy
The invention relates to a ligament tibia dead point avulsion fracture fixing device, and the device comprises a first fixed block, a second fixed block and a suture, the first fixed block, the secondfixed block and the suture are used in a matched mode, a plurality of wings extend out of the periphery of the first fixed block and the periphery of the second fixed block, concave areas are formedbetween the wings, and clamping grooves are formed in the concave areas of the first fixed block. Holes are formed in the concave areas of the second fixed blocks. Through an arthroscope technology, tissues near a fracture block are cleaned to expose a fracture broken end; a tunnel is dug and penetrates through the bone block to the broken end of the fracture; the first fixed block is arranged ata tunnel portal on the inner side of the tibia, and the second fixed block is arranged at a tunnel portal at the fractured end; two arc-shaped rope loops are formed at the other end of the suture; thetwo arc-shaped rope loops penetrate through the tunnel and are arranged in the two opposite clamping grooves of the first fixed block in a sleeved mode respectively; and sewing thread end can be tightened. The device can be matched with an arthroscope to realize minimally invasive fixation of a fracture broken end, a small incision shortens postoperative rehabilitation time of a patient, and painand treatment cost of the patient are reduced.
Owner:江苏爱厚朴医疗器械有限公司
Needle-type locking osteosynthesis plate nail system structure for radius distal fracture
A needle-type locking osteosynthesis plate nail system structure for radius distal fracture includes an implantation needle, a compression fixing needle, a bent part, a compression plate, locking screws and a cortical bone screw; the implantation needle is connected with the compression fixing needle through the bent part; a compression part has a ''U'' structure, and the tail end of the compression part is in the shape of an arc; the compression plate is arranged on both arms of the compression part, and the compression plate is provided with an inverted cone-shaped fixing groove to simultaneously press both arms of the compression part; and screw holes are arranged in the compression plate, and the locking screws and the cortical bone screw pass through the screw holes to pressurize andfix a bone block. The needle-type locking osteosynthesis plate nail system structure reduces ligament peeling during surgery, has smaller damage to a patient, reduces the pain of the patient, and cangreatly shorten the recovery period of the patient; and the needle-type locking osteosynthesis plate nail system structure also reduces the difficulty of bone reduction, improves the success rate of the surgery, and is more convenient for clinical operation.
Owner:CHUANG MEI DE MEDICAL DEVICE TIANJIN CO LTD
Method and device for positioning and stabilization of bony structures during maxillofacial surgery
ActiveUS9808322B2The process is convenient and fastDiagnosticsComputer-aided planning/modellingOral and maxillofacial surgeryIliac screw
A maxillofacial or cranial-facial surgical stabilizer comprising a head frame fully or partially surrounding the head of a patient at an angle running from ears to temple, and that is fixated to the skull of the patient by multiple screws and / or ear holders and screws. One or more flexible / locking arms are removably attached to the head frame for holding and positioning a plurality of interchangeable instruments or accessories. One flexible / locking arm is a medial / center arm accessorized with a dental arch mold. A method of using a head frame to position the pieces of bones during maxillofacial or cranio-facial surgery is also provided.
Owner:DEL DEO VITO +1
High-simulation customized combined artificial vertebra
InactiveCN102166140BGood biocompatibilityStable positionMedical devicesSpinal implantsOsteoblastBiocompatibility Testing
The invention discloses a high-simulation customized combined artificial vertebra. The high-simulation customized combined artificial vertebra is a high-simulation prosthetic implant reconstructed according to CT three-dimensional data of the lesion part of the vertebra of a patient, the outer surface of the high-simulation customized combined artificial vertebra is in a porous titanium structure, and the high-simulation customized combined artificial vertebra is formed by connecting a vertebral upper part, a vertebral lower part and vertebral accessories of the porous structure. Thus, after a vertebral body is resected, by combining the upper end and lower end of the artificial vertebra in a screw-in mode, the artificial vertebra can be fixed more firmly, autogenous bone or allogeneic bone transplantation can be carried out in a bone transplanting cage in the vertebral body, and the position of a bone transplanting block is ensured to be stable. Medicaments can be injected for treating the local lesion part by a small medicament re-injecting hole and an optional screw-in joint which are reserved at the sides of the vertebral body, thereby being especially suitable for patients with spinal tuberculosis and tumors. In addition, because the outer surface is made of porous titanium materials, the artificial vertebral body has better biocompatibility, can be used as a carrier for in-vitro co-culture of osteoblasts, and can be further used as a good carrier for ingrowth of blood vessels and osseous tissues.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
Anchored loop-in-loop suture anchor
A system and method for securing a target body to a bone mass with a loop-in-loop suture anchor. The system generally includes suture material passing through a substrate (e.g., suture anchor). The suture material includes a splice that allows the suture material to be passed through the splice and around a target body, ultimately creating three loops in the suture material. By tensioning the loops and / or ends of the suture material, the loops bring the target body into a desired position relative to the bone mass and secure it in that position.
Owner:CONMED CORP
Assembly-adjustable four-in-one osteotomy plate
PendingCN113662618AAvoid prosthetic instabilityOptimal osteotomy positionSurgeryKnee JointFEMORAL CONDYLE
The invention discloses an assembly-adjustable four-in-one osteotomy plate which comprises a four-in-one osteotomy plate main body and anterior and posterior condyle osteotomy blocks, the four-in-one osteotomy plate is designed to be of a split structure, a knee joint knee bending gap can be measured through a posterior condyle plane and a tibial plateau plane before osteotomy, the anterior condyle osteotomy amount of the femoral condyle of a knee joint can be measured through an anterior condyle plane, and the situation that the prosthesis is not stably fixed due to anterior condyle Notch appearance or insufficient osteotomy is avoided; two positioning columns are designed on the four-in-one osteotomy plate main body, and the up-down position of the four-in-one osteotomy plate main body is adjusted according to the measured knee bending gap of the knee joint and the osteotomy amount of the femoral condyle and the anterior condyle of the knee joint, so that the four-in-one osteotomy plate main body reaches the optimal osteotomy position and selects the optimal specification; and the four-in-one osteotomy plate main body is provided with a taking-out structure, so that a doctor can conveniently and quickly take down the four-side osteotomy plate main body in an operation, the operation time is shortened, infection is reduced, resection of bone mass caused by poor matching is avoided, and damage to a soft tissue balance system is reduced.
Owner:北京中安泰华科技有限公司
Compression tool for dental implantation sites, and a method of using the same
InactiveUS20200246116A1Reduce heatEfficient removalDental implantsOsteosynthesis devicesJaw boneDentistry
A compression tool for performing a finishing procedure, within a bore hole formed within a human jawbone so as to serve as an implantation site for a dental implant, by compression and densification processes, comprises a tapered body portion, and a plurality of flute sections disposed the body portion, wherein, when the compression tool is rotated in a clockwise direction and simultaneously axially inserted into the bore hole, the plurality of flute sections, which comprise structure for continuously cutting bone material from bone mass surrounding and defining the bore hole formed within the human jawbone, for accumulating the bone material so as to prevent the bone material from being evacuated from the implantation site, and for immediately compressing the bone material, cut from the bone mass surrounding and defining the bore hole formed within the human jawbone, back into the bone mass surrounding and defining the bore hole formed within the human jawbone will compress, compact, and enhance the density of the bone mass surrounding and defining the bore hole formed within the human jawbone.
Owner:CARMEX PRECISION TOOLS
Novel head marrow nail capable of preventing head and neck bone blocks from tilting backward
PendingCN111643173APrevent backward tiltPrevent backward fallInternal osteosythesisFastenersRight femoral headFracture reduction
The invention discloses a novel head marrow nail capable of preventing head and neck bone blocks from tilting backward, and belongs to the technical field of medical fracture reduction instruments. The head marrow nail with a device for preventing head and neck bone blocks from tilting back includes a main rod, a main nail and an anti-backward screw; the main rod is used for being inserted in thefemoral shaft of a patient; the first end of the main nail penetrates and is connected to the main rod, and the second end of the main nail penetrates and fixes the fracture blocks of the femoral neckand femoral head; and the first end of the anti-backward screw penetrates the main rod, and the second end of the anti-backward screw penetrates in femoral neck marrow to reach the posterior edge ofthe anterior cortex of the femoral neck. Thus, the problems, that cortical counterpoint is easy to lose and the healing rate of cortical support reduction to fracture is low during the process that postoperative sliding obtains secondary stability by adopting the structure that uses the main rod to penetrate the femoral shaft and uses the main nail to penetrate the femoral neck and femoral head, can be solved. The second end of the anti-backward screw penetrates in the femoral neck marrow to directly reach the posterior edge of the anterior cortex of the femoral neck, so that the blocking effects of preventing the cervical cortex of the head and neck bone blocks from tilting, falling, and moving backward can be achieved.
Owner:BEIJING BEST BIO TECHN
Preparation method of imitated cortical bone repair material
InactiveCN112957533APreserve osteogenic activityEnhance osteogenic activityTissue regenerationProsthesisFreeze-dryingBone Cortex
The invention discloses a preparation method of an imitated cortical bone repair material, which comprises the following steps: fully removing soft tissues, bone marrow and cartilage from a cleaned xenogeneic bone material, cleaning, degreasing, decalcifying, soaking a bone block in a glutaraldehyde solution for crosslinking treatment, soaking the bone block in proteolytic enzyme of pepsin, carrying out deproteinization treatment, compounding the xenogeneic bone material with a nano-silver gelatin solution, and finally freeze-drying to obtain a cortical bone grafting material. Degreasing, decalcification and freeze drying are carried out on the xenogeneic bone to assist in reducing antigenicity, reserving osteogenic activity and improving the osteogenic activity of the xenogeneic bone, deproteinization treatment is carried out through pepsin, damage to collagen and osteogenic factors in the bone grafting material can be reduced, and nano-silver micro powder is adopted as an antibacterial component, so that the bone grafting material has strong inhibiting and killing effects on various pathogenic microorganisms, and the bone grafting material forms a slow-release film, which can further improve the anti-infection efficacy of the xenogeneic bone grafting material.
Owner:WEIFANG AOJING MEDICAL RES CO LTD
Bone load detection method based on six-axis parallel external bone fixation device
ActiveCN109077785BImprove economyExternal osteosynthesisPhysical medicine and rehabilitationEngineering
Owner:TIANJIN UNIV
Materials and methods for improved bone tendon bone transplantation
Disclosed herein is an improved Bone Tendon Bone graft for use in orthopedic surgical procedures. Specifically exemplified herein is a Bone Tendon Bone graft comprising one or more bone blocks having a groove cut into the surface thereof, wherein said groove is sufficient to accommodate a fixation screw. Also disclosed is a a method of harvesting grafts that has improved efficiency and increases the quantity of extracted tissue and minimizes time required by surgeon for implantation.
Owner:RTI BIOLOGICS INC
Locking Compression Screw-Plate System
The invention provides a locking compression nail plate system for setting a bone. The system comprises a first fixing part (1) and a second fixing part (2). The first fixing part (1) and the second fixing part (2) are integrally formed and fixedly connected or detachably connected; the first fixing part (1) comprises a main bone plate (101), and a main rod locking hole (110) is formed in the mainbone plate (101); the second fixing part (2) comprises multiple branch bone plates (201), and auxiliary nails (202) are tightly fixed to the branch bone plates (201); the branch bone plates (201) include wavy parts (203). A Y-shaped nail plate design is adopted, a bone block is fixed at an angle after the system is implanted, the fixation strength is higher, and the axial stability of bone fractures is higher; a main nail and the auxiliary nails are of inverse thorn structures, the system is implanted by knocking, implantation is convenient, and a pull-out resistant force is higher; the inverse thorn-liked nails have less damage to metaphysis sclerotin of children, less bone amount is needed, and interference of internal implants on healing and development of metaphyseal bone fractures isreduced. By bending the wavy parts, the effect of pressurization can also be achieved to prevent formation of bone fracture gaps.
Owner:WUXI PEOPLES HOSPITAL
Compression tool for dental implantation sites, and a method of using the same
A compression tool for performing a finishing procedure, within a bore hole formed within a human jawbone so as to serve as an implantation site for a dental implant, by compression and densification processes, comprises a tapered body portion, and a plurality of flute sections disposed the body portion, wherein, when the compression tool is rotated in a clockwise direction and simultaneously axially inserted into the bore hole, the plurality of flute sections, which comprise structure for continuously cutting bone material from bone mass surrounding and defining the bore hole formed within the human jawbone, for accumulating the bone material so as to prevent the bone material from being evacuated from the implantation site, and for immediately compressing the bone material, cut from the bone mass surrounding and defining the bore hole formed within the human jawbone, back into the bone mass surrounding and defining the bore hole formed within the human jawbone will compress, compact, and enhance the density of the bone mass surrounding and defining the bore hole formed within the human jawbone.
Owner:CARMEX PRECISION TOOLS
Bone fracture plate assembly
The invention provides a bone fracture plate assembly. The bone fracture plate assembly is matched with a bone structure and comprises a first arc-shaped plate body, a second arc-shaped plate body and a filling fixing part, wherein the first arc-shaped plate body protrudes in the direction away from the bone structure; the second arc-shaped plate body is connected with the first arc-shaped plate body and protrudes in the direction of the bone structure, and the second arc-shaped plate body is connected to the midpoint of one side edge of the first arc-shaped plate body; and the filling fixing part is connected with the first arc-shaped plate body and / or the second arc-shaped plate body. According to the technical scheme, the problem that in the related technology, the fixing effect is poor when bone fragments are fixed to the whole bone is effectively solved.
Owner:北京理贝尔生物工程研究所有限公司
Compression Screw Plate System
ActiveCN108433802BImprove the fixing strengthIncreased axial stabilityDiagnosticsBone platesMetaphysisMetaphyseal fracture
The invention provides a compression bone-set plating system, which comprises a first fixing portion (1) and a second fixing portion (2), wherein the first fixing portion (1) and the second fixing portion (2) are integrally formed, fixedly connected or detachably connected; the first fixing portion (1) comprises a main bone plate (101), and the main bone plate (101) is fixedly connected with a main nail (102) ; the second fixing portion (2) comprises a plurality of supporting bone plates (201), and a secondary nail (202) is fixedly connected on the supporting bone plates (201) ; the supportingbone plates (201) include a wave-shaped portion (203). According to the invention, the Y-shaped nail plate is adopted, and the bone blocks are fixed at angles after implantation, the fixing strengthis larger, and the axial stability of the fracture is higher; a barbed structure is adopted on the main nail and the secondary nail, the tapping is carried out to implant, the implantation is convenient, and the anti-pulling force is higher; the barbed nail has small bone damage on the metaphysis of the children, needs little bone mass, and reduces the interference of internal plants on the healing and development of the metaphysic fracture; the bending of wave-shaped portion can also serve as a pressurizing effect to prevent the formation of fracture gaps.
Owner:WUXI PEOPLES HOSPITAL
Medial Trochanteric Plate Fixation
PendingUS20210369310A1Reduce morbidityControl migrationInternal osteosythesisBone platesBone massesBone plates
A method of bone fixation includes placing a bone plate adjacent to a lesser trochanter on a medial aspect of a femur such that at least a portion of the lesser trochanter is positioned between appendages of the bone plate, wrapping cables coupled to the bone plate about a first and second bone fragment of a proximal femur, and tightening the cables to secure the first and second bone fragments together.
Owner:HOWMEDICA OSTEONICS CORP
A cr-type and ps-type femoral condyle test mold and an integrated structure of the intercondylar processor
ActiveCN105342727BRealize integrated designReduce in quantitySurgeryJoint implantsMilling cutterMedicine
Owner:JIASITE HUAJIAN MEDICAL EQUIP (TIANJIN) CO LTD
Distal bone fracture plate for proximal humerus
Disclosed is a distal bone fracture plate for proximal humerus comprising a bone fracture plate body, the bone fracture plate body is divided into a bone fracture plate near end, a bone fracture plate middle section and a bone fracture plate far end, the bone fracture plate near end is divided into a head and a near end connecting section, the head is provided with a plurality of near end locking holes, the near end locking holes tend to be distributed in a nearly-annular structure. Near-end upper kirschner wire holes are formed in the middle of the annular structure, near-end kirschner wire holes are formed in the periphery of the near-end locking holes, near-end lower locking holes are formed in the lower ends of the near-end locking holes, middle-section sliding holes and middle-section locking holes are formed in the middle of the bone fracture plate from top to bottom, the number of the middle-section locking holes is multiple, and the number of the middle-section locking holes is multiple. A middle-section kirschner wire hole is formed between every two adjacent middle-section locking holes, and a far-end sliding hole, a far-end locking hole and a far-end kirschner wire hole are formed in the bone fracture plate far end from top to bottom. The middle Kirschner wire hole is formed in the middle section of the bone fracture plate, so that the problems that positioning is inaccurate, or small bone blocks have no place and are not easy to fix can be solved.
Owner:SHANGHAI EAST HOSPITAL EAST HOSPITAL TONGJI UNIV SCHOOL OF MEDICINE
A knee tibial plateau prosthesis
ActiveCN111374804BGuaranteed ImplantationAvoid stress spreadLigamentsJoint implantsKnee JointPatellar ligament
The present invention provides a knee joint tibial plateau prosthesis, which includes a tibial plateau prosthesis and a tibial tubercle prosthesis, wherein the tibial tubercle prosthesis is arranged at the tibial tubercle of the tibial plateau prosthesis, and the tibial tubercle prosthesis is externally convex. Because the part of the tibial plateau prosthesis is a trabecular bone structure, there is a concave setting on the trabecular bone structure, which is used for placing the tibial tubercle from the insertion point of the patellar tendon to connect the patellar tendon to free the lower bone fragment. A solid beam with smooth surface is arranged across the notch of the beam, the beam and the bone trabecular structure are integrally arranged, and the prostheses on both sides of the beam are symmetrically provided with patellar ligament suture holes. Wherein, the placement groove can provide a replantation space for the bone fragment below the patellar tendon to be freed, and ensure that the patellar ligament is completely implanted on the tibial plateau prosthesis. The stress is dispersed, and the beam and the trabecular bone structure are integrally arranged, which further prevents the beam from loosening due to the long-term expansion and contraction of the patellar ligament.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR
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