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42 results about "Humerus Head" patented technology
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Humerus head prosthesis
A humerus head prosthesis including a head and a shaft. A hollow quiver which has one or more openings in the jacket is arranged at the shaft proximally and below the head. The quiver is located at the level of the anatomical position of the tubercles and laterally at the shaft. The jacket openings are formed as threaded bores for screws.
Owner:ZIMMER GMBH
Radial-capitellar implant
ActiveUS7160329B2Facilitates smooth glidingImprove wear characteristicsJoint implantsCoatingsArticular headHumerus Head
A radial-capitellar implant for surgical replacement of the capitellum of the humerus and, optionally, the head of the radius. The radial-capitellar implant includes a capitellar implant or surface replacement arthroplasty of the capitellum and a radial prosthesis for replacement of the head of the radius. In one embodiment the radial prosthesis includes an articular head which moveable articulates with a stem implantable in the radius.
Owner:MAYO FOUND FOR MEDICAL EDUCATION & RES
Fixation device for proximal humerus fractures
A fixation device is disclosed for the fixation of proximal humerus fractures includes an implantable humerus plate having a proximal portion adapted to be positioned at a head and medial calcar of the humerus, a distal portion adapted to be positioned along a shaft of the humerus, and a plurality of calcar openings provided through the proximal portion adapted to receive calcar fasteners that extend into the medial calcar. The calcar fasteners are grouped into a rafted configuration and the tips of each fastener are positioned into the calcar region so that torsional forces bearing upon the calcar regions are distributed into the rafted fastener support, thereby avoiding varus collapse of the humerus head after fixation of the fracture.
Owner:WRIGHT MEDICAL TECH +1
Device for the ostheosynthesis of proximal humerus fractures
A device for use in the treatment of proximal humerus fractures, comprising a substantially spoon-shaped body having a blade-like proximal portion intended to complement the humerus head and provided with at least one seat in which to insert a wire, a threaded nail, or a similar element to stabilize the fracture, a plate-like and elongate distal portion, intended to complement the humerus neck and provided with at least one seat in which to insert a screw or a similar element to fix the body to the humerus, and a central bulge, or block, interposed between the proximal portion and the distal portion and wherein a seat is obtained in which to insert a screw intended to stabilize the humerus head.
Owner:ORTHOFIX SRL
Glenoid component installation procedure and tooling for shoulder arthroplasty
InactiveUS20160143749A1Impart stabilityLongevityDiagnosticsJoint implantsArticular surfacesPilot hole
A method for implanting a glenoid component during shoulder arthroplasty is disclosed. In the method, a template is placed against a surface of a glenoid cavity of a scapula, and a bone marking tool is inserted through a cut-out guide in the template. The bone marking tool is used to create a bone mark on the surface of the glenoid cavity. A drill is aligned with the bone mark and a first pilot hole is drilled in the surface of the glenoid cavity. A locating pin of a first drill jig is placed in the first pilot hole, and a drill is inserted through a guide hole of the first drill jig to drill a second pilot hole in the surface of the glenoid cavity. Bone material is removed between the first pilot hole and the second pilot hole to create a slot in the surface of the glenoid cavity between the first pilot hole and the second pilot hole. A keel of a glenoid component is positioned in the slot, and the glenoid component is secured in the scapula. A kit is also provided for use with the method. The kit includes a glenoid component including a body having a first articulating surface and a second surface opposite the first articulating surface. The first articulating surface is dimensioned for engaging a head of a humerus or a humeral implant. The second surface is dimensioned for being secured to a scapula. The glenoid component further includes a keel extending away from the second surface. The kit also includes a transparent template having a cut-out guide dimensioned to receive a bone marking tool. The template preferably has an indication of a centerline of the template. The kit also includes a first drill jig having a locating pin and a guide hole dimensioned to receive a drill bit, and a cutting tool having a follower pin and a cutting surface.
Owner:THE GENERAL HOSPITAL CORP
Device for the ostheosynthesis of proximal humerus fractures
A device for use in the treatment of proximal humerus fractures, comprising a substantially spoon-shaped body having a blade-like proximal portion intended to complement the humerus head and provided with at least one seat in which to insert a wire, a threaded nail, or a similar element to stabilize the fracture, a plate-like and elongate distal portion, intended to complement the humerus neck and provided with at least one seat in which to insert a screw or a similar element to fix the body to the humerus, and a central bulge, or block, interposed between the proximal portion and the distal portion and wherein a seat is obtained in which to insert a screw intended to stabilize the humerus head.
Owner:ORTHOFIX SRL
Combined shoulder joint implant
ActiveCN103230311AGood for postoperative recoveryJoint implantsShoulder jointsOffset distanceHumerus Head
The invention provides a combined shoulder joint implant which comprises a humerus handle and a humerus head, wherein the humerus handle comprises a humerus handle far end part and a humerus handle near end part which are detachably connected, and the humerus head is connected with the humerus handle near end part. By adopting the combined shoulder joint implant, the humerus handle far end part and the humerus handle near end part are connected through a slot, many humerus handle far ends and many humerus handle near ends with different specifications can be assembled in operations, so that many change combinations of the neck shaft angle, the back inclination and the offset distance of the combined shoulder joint implant can be achieved. The effect after the combined shoulder joint implant is implanted into human bodies is similar to the human anatomical morphology and postoperative rehabilitation is benefited.
Owner:BEIJING AKEC MEDICAL
Carbonaceous artificial head of humerus prosthesis
InactiveCN1481765APrevent dislocationPrevent rotationBone implantJoint implantsHumerus HeadBiocompatibility Testing
The artificial carbon humeral prosthesis consists of carbon humeral ball and carbon humeral handle, the humeral ball has fixing slot in its bottom and the humeral handle comprises fixing column and humeral handle rod. The fixing column is embedded into the fixing slot, and the axis of the humeral ball joint surface and the axis of the humeral handle rod form one angle of 135-145 deg. The humeral carbon ball of the present invention has high mechanical strength and high chemical stability, no cell toxicity, no irritability, no genetic toxicity, good biocompatibility, elastic modulus near that of bone, osteoplastic activity and lubricating property. The humeral handle has high mechanical strength, high corrosion resistance and good biocompatibility. The present invention is suitable for use in case of replacing humerus.
Owner:JILIN CENT HOSPITAL
Assembled shoulder joint prosthesis component
InactiveCN107773330AEffectively fixedReduce movementJoint implantsShoulder jointsMaldevelopmentLesion
The invention relates to the field of medical instruments, in particular to an assembled shoulder joint prosthesis component which comprises a humerus stem prosthesis and further comprises a humerus adapting disc, a humerus adopting disc pad, a shoulder glenoid bulb, a shoulder glenoid fixing disc and a bone cage sequentially arranged at the near end of the humerus stem prosthesis. The assembled shoulder joint prosthesis component can relieve pain caused by lesions on two sides of humerus head and glenoid cavity and can relieve osteoarthritis, rheumatoid arthritis, traumatic arthritis, shoulder joint maldevelopment and tumor, and wider joint movement range can be acquired without causing prosthesis collision. The far end of a humerus stem is designed to be glazed while the near end of thesame is in assembling connection, so that effective fixing of humerus tubercule bone blocks is realized, and movement of the bone blocks is reduced.
Owner:JIASITE HUAJIAN MEDICAL EQUIP (TIANJIN) CO LTD
Reconstruction device of humerus or thighbone near end
ActiveCN103519921AAchieve reconstructionReduce manufacturing costJoint implantsHip jointsRight femoral headBenign bone tumours
The invention discloses a reconstruction device of a humerus or a thighbone near end. The reconstruction device comprises a prosthesis and a titanium cage, wherein the prosthesis comprises a combined prosthesis head and a prosthesis handle; the titanium cage is arranged outside the prosthesis handle, and the upper end of the titanium cage is connected with the prosthesis head. When the prosthesis is a humerus prosthesis, the prosthesis head comprises a humerus head and neck, and the humerus head and neck is formed by a humerus head and a humerus neck connected with the humerus head; the prosthesis handle comprises a humerus handle connected with the humerus neck; when the prosthesis is a prosthesis on the upper middle section of a thighbone, the prosthesis head comprises a thighbone head and neck, and the prosthesis handle comprises a thighbone handle. According to the reconstruction device, not only can the humerus or the thighbone near end be replaced and shoulder joints or hip joints be constructed, but also reconstruction for the defect after bone tumours of the humerus or the thighbone near end are removed can be achieved, and the reconstruction device is suitable for reconstruction of severely smashed C-shaped fracture conditions of humerus (thighbone) backbone near ends.
Owner:JINAN UNIVERSITY
Reverse artificial shoulder prosthesis
The invention discloses a reverse artificial shoulder prosthesis. The reverse artificial shoulder prosthesis includes a shoulder glenoid cavity (2), wherein multiple bolts (1) for being inserted into the shoulder blade are mounted at one side of the shoulder glenoid cavity (2); the other end of the shoulder glenoid cavity (2) is connected to a humerus assembly. The humerus assembly includes a humerus head (3), a humerus lining (4), a humerus plate (5) and a humerus handle (6), wherein the humerus head (3) is connected with the shoulder glenoid cavity (2), the side, near to the humerus head (3), of the humerus lining (4) is used for containing the humerus head (3), the humerus head (3) and the shoulder glenoid cavity (2) can rotate in the humerus lining (4), the side, near the humerus lining (4), of the humerus plate (5) is connected to the the humerus lining (4) in a locking mode, the proximal end of the humerus handle is connected to the humerus plate (5), the transverse section of the proximal end of the humerus handle is elliptic, and the distal end of the humerus handle is used for being implanted in the proximal end of a humeral medullary cavity. The reverse artificial shoulder prosthesis can keep not loose during long-term use and meanwhile reduce the impact of an inferior glenohumeral notch.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR
Humerus near end bone fracture plate
The invention relates to a humerus near end bone fracture plate. A plurality of screw holes are formed in the humerus near end bone fracture plate; screws capable of penetrating through the plurality of screw holes can be arranged into different regions of a humerus head through the plurality of screw holes; the average value of rear inclined angles of the middle axes of the plurality of screw holes is more than 0 degree. The middle axes of the plurality of screw holes in the humerus near end bone fracture plate are wholly and backwards inclined so that the screws penetrating through the plurality of screw holes can be uniformly distributed in the whole region of the humerus head; more screws are prevented from being arranged in the front end part of the humerus head so that the influences on blood supply of the front end part of the humerus head, caused by the arranged screws, are reduced and the front end of the humerus head is prevented from thanatosis; excessive bone mass of the front end part of the humerus head also can be prevented from being lost and the front end part of the humerus head is prevented from being collapsed. Furthermore, the plurality of screws are more uniformly distributed in the humerus head and the holding force provided by the plurality of screws is greater; the stress on each region of the humerus head is more uniform and the stability of the bone fracture plate is better; the damages to the front end part of the humerus head are avoided.
Owner:奥斯泰克医疗器械(苏州)股份有限公司
Method for measuring turning angle of humerus by using multiple line of CT three-D remodelling
InactiveCN1903126AReduce the influence of human factorsImprove accuracyComputerised tomographsTomographyCt scannersIntersection of a polyhedron with a line
A 3D reproducing method with multi-row for measuring the torsional angle of humerus head includes such steps as using the shoulder joint mode in volume reproducing technique to cut and separate scapula and obtain the reproduced 3D humerus image, drawing a circle to fit the joint surface of humerus head, drawing a line between dots A and B which are cross points between said circle and joint surface, drawing the midnormal line EF or said line AB to obtain the far-end defining line of said torsional angle, drawing a line CD between the most convex dots of internal and external upper condyles to obtain its near-end defining line, and measuring the included angle between lines EF and CD to obtain said torsional angle.
Owner:THE FIRST AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIVERSITY OF PLA
Multifunctional transparent upper limb fracture manual reposition training model
The invention discloses a multifunctional transparent upper limb fracture manual reposition training model comprising an upper arm, a forearm, a palm and an elbow joint; the upper arm bottom is provided with the forearm; the forearm bottom is provided with the palm; the upper arm, the forearm and the palm surface are respectively provided with the skin, and muscle tissues are arranged inside; a humerus head is arranged in the upper arm; the humerus head bottom is provided with the humerus; the humerus surface is provided with a humerus fracture line; the humerus bottom is provided with the elbow joint; one side of the humerus bottom is provided with a ulna, and the other side is provided with a radius; the ulna and the radius are movably connected with the humerus through the elbow joint. The abnormal model can replace a normal model for direct teaching and learning, thus helping students to grow clinic diagnosis and treatment thinking capability, helping students to train the conventional bonesetting skills, improving professional skill level, allowing teachers to demonstrate and teach the fracture manual reposition method, and inheriting and extending the traditional bonesetting skills of our nation.
Owner:芜湖凡达机械科技有限公司
Elbow joint prosthesis
PendingCN110538007AHigh activityMeet physical activity needsJoint implantsKnee jointsHumerus HeadEngineering
The invention provides an elbow joint prosthesis. A connecting component, a humerus component, an ulna component and a radius component are arranged in the elbow joint prosthesis, wherein the humeruscomponent comprises a humerus handle and a humerus head arranged at one end of the humerus handle, the humerus head is connected with the connecting component in a position-adjustable mode, and the humerus head can swing relative to the connecting component along a first axis to conduct position adjustment; the ulna component comprises an ulna handle and an ulna head arranged at one end of the ulna handle, the ulna head is arranged on the connecting component in a swinging mode, the ulna head can swing relative to the connecting component along a second axis, and the second axis is perpendicular to the first axis; and the radius component is arranged on the connecting component and can move within a preset range relative to the connecting component. By adopting the technical scheme, the angle of the humerus component and the angle of the ulna component can be adjusted in two different directions so as to meet the use requirements of different patients. The arrangement of the radius component facilitates movement of a patient and can avoid damage caused by an overlarge movement range.
Owner:BEIJING AKEC MEDICAL
Carbonaceous artificial head of humerus prosthesis
InactiveCN1226020CLow biocompatibilityHigh mechanical strengthBone implantJoint implantsHumerus HeadBiocompatibility Testing
Owner:JILIN CENT HOSPITAL
Shoulder joint prosthesis connecting assembly, forward shoulder joint prosthesis and reverse shoulder joint prosthesis
ActiveCN106618805AAchieve universalSolve clinical problemsJoint implantsShoulder jointsHumerus HeadShoulder joint prosthesis
The invention provides a shoulder joint prosthesis connecting assembly, a forward shoulder joint prosthesis and a reverse shoulder joint prosthesis. The shoulder joint prosthesis connecting assembly comprises a humerus handle and an installing part. The installing part is arranged at one end of the humerus handle and provided with a first connecting structure and a second connecting structure, the first connecting structure is used for being connected with a forward shoulder humerus head, and the second connecting structure is used for being connected with a reverse shoulder humerus head. By means of the technical scheme, the problem that in the prior art, a shoulder joint is poor in universality, and consequently forward shoulder and reverse shoulder replacement cannot be achieved is solved.
Owner:BEIJING AKEC MEDICAL
Ultrasonic-assisted 3D printing medical porous renewable handle-free shoulder joint humerus head with cage
InactiveCN113288527AImprove mechanical propertiesSimplify complexityAdditive manufacturing apparatusJoint implantsBone humerusBiocompatibility
The invention relates to a customized medical porous renewable handle-free shoulder joint humerus head implantable prosthesis with a cage. The method comprises the following steps: scanning a shoulder joint of a patient by using CT to obtain CT tomographic image data of humerus, and establishing a three-dimensional model conforming to a shoulder joint stemless cage and a humerus head according to the CT tomographic image data; under the condition that the grain size is controlled under the assistance of ultrasonic equipment, mixing multiple types of medical nano-metals as a base material of the handle-free cage, and printing the porous handle-free cage layer by layer; printing a high-strength biological ceramic humerus head by using various medical nano biological ceramic powder; and then carrying out electron beam irradiation treatment and adding a strontium-loaded micro-nano coating to finally obtain a finished product. The design of innovative combination of the 3D porous material and the bone cage technology is adopted, infiltration growth of sclerotin is achieved, a backbone is not needed, implantation is more convenient, complications related to the humerus component handle in a revision operation where the humerus component handle needs to be removed are avoided, and the success rate of the operation is increased; the humerus head obtained by the invention also has higher strength, corrosion resistance and biocompatibility.
Owner:SHANDONG JIANZHU UNIV
Surface shoulder joint prosthesis
PendingCN111297521AEasy to fixPrevent looseningJoint implantsShoulder jointsHuman bodyPhysical medicine and rehabilitation
The present invention belongs to the field of medical devices and discloses a surface shoulder joint prosthesis. The surface shoulder joint prosthesis comprises a humerus head prosthesis matched withshape of a human humerus head, a connecting rod formed on an inner surface of the humerus head prosthesis, and a broach detachably connected with the connecting rod, wherein an external thread sectionis formed on the connecting rod, an internal thread section matched with the external thread section and a first hollow section communicating with a tail end of the internal thread section are formedin the broach, and the external thread section of the connecting rod rotates to enter the first hollow section through the internal thread section and is contained and fixed in the first hollow section. The surface shoulder joint prosthesis can be firmly fixed with humerus sclerotin of human body, and has good stability and wide applicability at the same time.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR
Mouth gag for shoulder joint humerus head and marrow reaming method
The invention provides a mouth gag for shoulder joint humerus head. The mouth gag for the shoulder joint humerus head comprises a mouth gag body connected with a holder in a matched mode, and a cutting edge used for pre-reaming of the shoulder joint is arranged at the end, away from the holder, of the mouth gag body. The mouth gag has the advantages that the defect that near-end marrow reaming cannot reach an ideal position or is difficult to drive due to the fact that far-end marrow reaming instruments and near-end marrow reaming instruments are different is overcome, and it can be effectively guaranteed that the square file reaches expected positioning.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR
Proximal humerus head-preserving and prosthesis conversion treatment device
PendingCN109984872AEasy to integrateReduce surgical complexityBone implantJoint implantsPull forceHumerus Head
The invention discloses a proximal humerus head-preserving and prosthesis conversion treatment device. The device includes a head bracket. The upper end of the head bracket is embedded in the femoralhead, the lower end of the head bracket is fixed in an intramedullary handle body, the head bracket is internally provided with a lag screw, and a lock pin is arranged in the intramedullary handle body and passes through the intramedullary handle body. The device can effectively and flexibly select head-preserving treatment or non-head-preserving treatment, the complexity of surgery is reduced, the cost of the surgery is reduced, and a safe environment is created for reserved secondary surgery when necrosis occurs later.
Owner:苏州伯塔医疗科技有限公司
Portable resetting device
Owner:HORVATH PETER
Testing platform for performance of shoulder joint prosthesis
InactiveCN112294504AReduce labor intensityHigh degree of automationJoint implantsShoulder jointsPhysical medicine and rehabilitationHumerus Head
The invention provides a testing platform for performance of a shoulder joint prosthesis. The testing platform comprises a test platform, a humerus head fixing platform, an air pump, a complete machine support, a parallel rotation platform, a glenoid fossa fixing platform, a pressure sensor, a simulation bin, a PLC and a PC upper computer. The platform can effectively evaluate the basic performance of the shoulder joint prosthesis, test the rotation angles of the shoulder joint prosthesis in all directions, can also test the friction characteristics of the shoulder joint prosthesis, is powerful in function, has certain guiding significance for material selection and structural design of the shoulder joint prosthesis, and fills the blank of evaluation of the performance of the shoulder joint prosthesis.
Owner:余红薇
Joint prosthesis
PendingCN112603607AReduce risk of sheddingPrevent later fall offJoint implantsShoulder jointsPhysical medicine and rehabilitationHumerus Head
The invention provides a joint prosthesis which comprises a humerus head prosthesis, a hollow screw and a gasket; the humerus head prosthesis is provided with a protruding part, the protruding part is provided with a through screw hole, the hollow screw is pressed on the surface of sclerotin through the gasket, and the hollow screw penetrates through a bone to be matched with the screw hole. After the reversed hollow screw is connected with the humerus head, a pull-down force is applied, so that the humerus head is tightly attached to the surface of the near end of the humerus, and later falling is prevented. The matched gasket is in threaded connection with the humerus head, the humerus head is firmly pressed on the surface of the near end of the humerus, and the falling risk of the humerus head is reduced.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR
Anatomic artificial bone assisting reduction of proximal humeral fractures
PendingCN108210058ASimplify the surgical processRealize the reset relationshipOsteosynthesis devicesHumeral fractureHumerus Head
The invention relates to an anatomic artificial bone assisting reduction of proximal humeral fractures. The anatomic artificial bone comprises an lower fixator and an upper fixator; one end of the lower fixator is connected onto the upper fixator; the lower fixator is cylindrical shaped, and the axis of the lower fixator is coincided with the axis of the human humeral shaft during use of the lowerfixator; a humeral bone plane and cylindrical hollows corresponding to intertubercular sulcus are arranged on the upper fixator; the cylindrical hollows corresponding to the intertubercular sulcus are arranged on the side face of the upper fixator; a central locator is arranged on the humeral bone plane. The anatomic artificial bone has the advantages that reference marks can be provided for reduction of the proximal humeral fractures, rapid anatomical reduction can be highly assisted in terms of quantification, bone loss is filled, a supporting platform is provided for fractures, surgical process is simplified, and the anatomic artificial bone can serve as a novel medical instrument and has extensive application prospects in clinical use.
Owner:XIN HUA HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
Medical rapid reduction internal fixation system for proximal humerus fracture
PendingCN112890941AAchieve fixationSolve problems that affect the surgical field of viewBone platesHumerus HeadHUMERUS SHAFT
The invention relates to a medical rapid reduction internal fixation system for proximal humerus fracture. The medical rapid reduction internal fixation system comprises a reduction fixation assembly, an angle fixator and an outer sleeve plate assembly; the reduction fixation assembly comprises a fixing disc and a reduction rod, a plurality of fixing needles are arranged on one face of the fixing disc, and a connecting rod is arranged on the other face of the fixing disc; the reduction rod comprises an inner reduction rod and an outer reduction rod which are coaxially arranged; the angle fixator comprises an angle fixing plate and an angle fixing sleeve, the angle fixing plate is fixed to the outer wall of the angle fixing sleeve, a fixing groove is formed in the angle fixing plate, and a sleeve through hole for the connecting rod to be sleeved is formed in the angle fixing sleeve; and the outer sleeve plate assembly comprises an outer sleeve plate body, a sleeve hole position and a plate groove are formed in the outer sleeve plate body, and a humerus head nail hole, a groove hole and a humerus dry nail hole are further formed in the outer sleeve plate body. The problems that reduction needs to be carried out firstly in an existing proximal humerus fracture operation, operation is troublesome, the operation view is affected by temporary fixation, fixation is unstable, and adjustment is difficult when reduction is improper can be effectively solved.
Owner:王嘉颐
Shoulder joint prosthesis adjustable neck
InactiveCN103565560AAdjustable Neck Lock FixationJoint implantsShoulder jointsHumerus HeadShoulder joint prosthesis
Owner:BEIJING AKEC MEDICAL
Fixation device for proximal humerus fractures
ActiveUS20190167321A1Prevents varus collapseEnhance columnated supportBone drill guidesBone platesCalcarDistal portion
Owner:WRIGHT MEDICAL TECH
Modular shoulder prosthesis
ActiveCN103230311BGood for postoperative recoveryJoint implantsShoulder jointsOffset distanceHUMERUS SHAFT
The invention provides a combined shoulder joint implant which comprises a humerus handle and a humerus head, wherein the humerus handle comprises a humerus handle far end part and a humerus handle near end part which are detachably connected, and the humerus head is connected with the humerus handle near end part. By adopting the combined shoulder joint implant, the humerus handle far end part and the humerus handle near end part are connected through a slot, many humerus handle far ends and many humerus handle near ends with different specifications can be assembled in operations, so that many change combinations of the neck shaft angle, the back inclination and the offset distance of the combined shoulder joint implant can be achieved. The effect after the combined shoulder joint implant is implanted into human bodies is similar to the human anatomical morphology and postoperative rehabilitation is benefited.
Owner:BEIJING AKEC MEDICAL
Shoulder joint prosthesis
PendingCN109646152ANovel structureEasy to assembleJoint implantsShoulder jointsHUMERUS SHAFTHumerus Head
The invention relates to a shoulder joint prosthesis. According to the technical scheme, the shoulder joint prosthesis comprises a humerus head and a humerus handle, wherein the humerus head comprisesan integrated structure consisting of a humerus ball head and a humerus shaft splicing column fixedly connected to the lower part of the humerus ball head; the humerus handle is an integrated structure consisting of a truncated-cone-shaped splicing disc, a conical connecting column connected to the upper end surface of the splicing disc and a humeral shaft medullary cavity inserting column connected to the lower end surface of the splicing disc, wherein a symmetrical groove is arranged on the humeral ball head, a plurality of sewing holes for sewing with peripheral shoulder joint tissues arearranged on the groove, the shoulder joint prosthesis also comprises a humerus pressing plate. According to the invention, the symmetrical groove is distributed at the upper end of the humerus ball head, the balance of the growth of shoulder soft tissues is considered, the plurality of sewing holes are arranged in the groove, the humerus ball head and surrounding tissues can be sewn together, theconnectivity is strong, and a humerus pressing plate is additionally arranged, so that the reliability and stability of the connection between the prosthesis and the shoulder joint are improved as a whole.
Owner:HENAN POLYTECHNIC UNIV
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