132° CDA
Haufi le sebopeho sa tlhaho sa tlhaho
50 ° Osteotomy angle
Sireletsa femoral calcar bakeng sa tšehetso e eketsehileng
Molala o Tapered
Fokotsa tšusumetso nakong ea ts'ebetso le ho eketsa mefuta e mengata ea ho sisinyeha
Lehetla la lateral le fokotsehile
Sireletsa trochanter e kholo 'me u lumelle ho buuoa ho fokolang
Fokotsa boholo ba distal M/L
Fana ka proximal cortical contact bakeng sa A Shape femur ho eketsa botsitso ba pele
Moralo oa Groove mahlakoreng ka bobeli
Ho molemo ho boloka masapo a mangata le phepelo ea mali ea intramedullary mahlakoreng a AP a kutu ea botšehali le ho matlafatsa botsitso ba ho potoloha.
Moralo oa proximal lateral rectangular
Eketsa botsitso ba antirotation.
Curved Distal
Ho molemo ho kenya prosthesis ka mekhoa e ka pele le ea anterolateral, ha o ntse o qoba khatello ea maikutlo ea distal.
Bokhopo bo phahamengbakeng sa botsitso hang-hang ka mor'a ho buuoa
Botenya bo boholo ba ho roala le porosity e phahamengetsa hore lisele tsa masapo li hōle ka botebo ka har'a ho roala, hape li be le botsitso bo botle ba nako e telele.
●Proximal 500 μm botenya
●60% porosity
●Boima: Rt 300-600μm
A ho kenya lethekake sesebelisoa sa bongaka se sebelisetsoang ho nkela lenonyeletso la noka le senyehileng kapa le kulang, ho kokobetsa bohloko le ho khutlisetsa motsamao. Lenonyeletso la letheka ke bolo le motsoako oa socket o kopanyang femur (lesapo la serope) le pelvis, e leng se lumellang hore ho be le mefuta e mengata ea ho tsamaea. Leha ho le joalo, maemo a kang osteoarthritis, ramatiki ea ramatiki, fractures kapa avascular necrosis e ka etsa hore lenonyeletso le senyehe haholo, le lebisang ho bohloko bo sa foleng le ho tsamaea ho fokolang. Maemong ana, ho ka khothaletsoa ho kenya letheka.
Ho tloha 2012-2018, ho na le linyeoe tse 1,525,435 tsa mantlha le ntlafatso.phetisetso ya letheka le lengole, eo har'a eona lengole le ka sehloohong le etsang 54.5%, 'me letheka le ka sehloohong le nka 32.7%.
Ka mor'a mooho nkela sebaka, sekhahla sa sekhahla sa ho robeha ha periprosthetic:
THA ea mantlha: 0.1 ~ 18%, e phahameng ka mor'a ho ntlafatsoa
TKA ea mantlha: 0,3 ~ 5.5%, 30% ka mor'a ho ntlafatsoa
Ho na le mefuta e 'meli e meholo eaho kenya letheka: phetisetso ya letheka kaofelaleho nkela sebaka sa letheka. Aphetisetso ya letheka kaofelae kenyelletsa ho nkela sebaka sa acetabulum (socket) le hlooho ea botšehali (bolo), athe sebaka sa letheka se seng se nkela hlooho feela sebaka. Khetho pakeng tsa tse peli e itšetlehile ka boholo ba kotsi le litlhoko tse khethehileng tsa mokuli. Ho hlaphoheloa ka mor'a ho buuoa ka letheka ho fapana, empa bakuli ba bangata ba ka qala phekolo ea 'mele hang ka mor'a ho buuoa ho matlafatsa mesifa e potolohileng le ho ntlafatsa ho tsamaea. Ka tsoelo-pele ea mekhoa ea ho buoa le thekenoloji ea ho kenya letsoho, batho ba bangata ba fumana ntlafatso e kholo ea bophelo ba bona ka mor'a ho buuoa ka letheka, ho ba lumella ho khutlela mesebetsing eo ba e ratang ka matla a macha.
Bolelele ba Stem | 110mm/112mm/114mm/116mm/120mm/122mm/124mm/126mm/129mm/131mm |
Bophara ba Distal | 7.4mm/8.3mm/10.7mm/11.2mm/12.7mm/13.0mm/14.8mm/15.3mm/17.2mm/17.7mm |
Bolelele ba Mokokotlo | 31.0mm/35.0mm/36.0mm/37.5mm/39.5mm/41.5mm |
Offset | 37.0mm/40.0mm/40.5mm/41.0mm/41.5mm/42.0mm/43.5mm/46.5mm/47.5mm/48.0mm |
Lintho tse bonahalang | Motsoako oa Titanium |
Phekolo ea Bokaholimo | Thi Powder Plasma Spray |