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Mini Fragment

Mini fragment ke eng?

Sekhechana se senyane se bua ka mofuta oa ho kengoa ha masapo o sebelisetsoang ho lokisa masapo a manyane le likhechana tsa masapo, tseo hangata li leng bophara ba 2.0 ho isa ho 3.5 mm. Li-implants tsena li atisa ho sebelisoa ha ho etsoa opereishene ea matsoho le maoto, hammoho le liopereishene tse ling tse kenyelletsang likaroloana tse nyenyane tsa masapo. Li-implants tse nyane li etselitsoe ho fana ka tokiso e tsitsitseng le ho khothaletsa pholiso, 'me li fumaneha ka libopeho le boholo bo fapaneng ho fana ka litlhoko tse fapaneng tsa ho buoa. Hangata li entsoe ka thepa e lumellanang le biocompatible joalo ka titanium kapa tšepe e sa jeleng paate, 'me hangata li kenngoa ho sebelisoa lisebelisoa tse khethehileng.

Mefuta ea mini fragment ke efe?

Lipoleiti tse nyane tsa sekhechana li fumaneha ka mefuta le boholo bo fapaneng ho lekana libaka tse fapaneng tsa sebopeho le boholo ba masapo. Mefuta e meng e tloaelehileng ea lipoleiti tsa mini fragment e kenyelletsa:


  1. Karolo ea boraro ea li-tubular plates: Tsena li sebelisetsoa likaroloana tse nyenyane tsa masapo kapa likhechana tse nyenyane tsa masapo tse nang le sebaka se lekanyelitsoeng bakeng sa ho lokisoa, tse kang letsohong, letsoho le maqaqailaneng.

  2. T-plates: Lipoleiti tsena li sebelisoa hangata ho robeha ha radius ea distal, leqaqailaneng le calcaneus.

  3. L-lipoleiti: Lipoleiti tsena li sebelisoa ka fractures tse hlokang ho lokisa perpendicular ho axis e telele ea lesapo, tse kang distal femoral fractures.

  4. Lipoleiti tsa H: Lipoleiti tsena li sebelisoa ha ho robeha ha proximal tibia, hammoho le ho phekola batho bao e seng mekhatlo.

  5. Lipoleiti tsa Y: Lipoleiti tsena li sebelisetsoa ho robeha ha proximal humerus, clavicle, le distal femur.

  6. Lipoleiti tsa hook: Lipoleiti tsena li sebelisoa ka fractures e rarahaneng moo mekhoa e tloaelehileng ea ho roala e ke keng ea khoneha kapa e hlōlehile, joalo ka ho robeha ha lateral tibial plateau.


Ke habohlokoa ho hlokomela hore mefuta le boholo ba lipoleiti tse nyenyane tse sebelisoang li tla itšetleha ka mokhoa o khethehileng oa ho robeha le khetho ea ngaka e buoang.

Lisebelisoa tsa ho notlela plate?

Lipoleiti tse notlelang hangata li entsoe ka thepa e lumellanang le biocompatible joalo ka titanium, alloy ea titanium, kapa tšepe e se nang tšepe. Lisebelisoa tsena li na le matla a babatsehang, ho satalla, le ho hanyetsa ho bola, e leng se etsang hore e be tse loketseng ho sebelisoa ha ho kenngoa litho tsa masapo. Ho phaella moo, li na le inert 'me ha li sebetsane le lisele tsa' mele, li fokotsa kotsi ea ho lahloa kapa ho ruruha. Lipoleiti tse ling tsa ho notlela li ka boela tsa koaheloa ka lisebelisoa tse kang hydroxyapatite kapa liphahlo tse ling ho ntlafatsa ho kopanngoa ha tsona le lisele tsa masapo.

Ke poleiti efe e molemo ho feta titanium kapa tšepe e sa hloekang?

Ka bobeli lipoleiti tsa titanium le tšepe e sa hloekang li sebelisoa hangata ho buoa masapo, ho kenyeletsoa le ho notlela lipoleiti. Khetho pakeng tsa lisebelisoa tsena tse peli e itšetlehile ka lintlha tse 'maloa, ho kenyelletsa le mofuta oa ho buuoa, histori ea bongaka ea mokuli le likhetho, le phihlelo ea ngaka e buoang le khetho.


Titanium ke thepa e bobebe hape e matla e lumellanang le biocompatible le e hanyetsanang le kutu, e e etsa khetho e ntle haholo bakeng sa li-implants tsa bongaka. Lipoleiti tsa Titanium ha li thata ho feta lipoleiti tsa tšepe tse sa hloekang, tse ka thusang ho fokotsa khatello ea kelello lesapong le ho khothalletsa pholiso. Ho phaella moo, lipoleiti tsa titanium li na le mahlaseli a mangata, ho bolelang hore ha li kena-kenane le liteko tsa litšoantšo tse kang X-ray kapa MRI.


Ka lehlakoreng le leng, tšepe e sa hloekang ke thepa e matla le e thata, e lumellanang le biocompatible le e hanyetsanang le ho bola. E 'nile ea sebelisoa ho kenngoa ha masapo ka lilemo tse mashome' me ke lisebelisoa tse lekiloeng le tsa 'nete. Lipoleiti tsa tšepe tse sa hloekang li theko e tlaase ho feta lipoleiti tsa titanium, tse ka nahanelang bakuli ba bang.

Ke hobane'ng ha lipoleiti tsa titanium li sebelisoa ho buuoa?

Hangata lipoleiti tsa Titanium li sebelisoa ha ho buuoa ka lebaka la thepa ea tsona e ikhethang e etsang hore e be lisebelisoa tse loketseng bakeng sa ho kenngoa ha meriana. Melemo e meng ea ho sebelisa lipoleiti tsa titanium nakong ea ho buuoa e kenyelletsa:

  1. Biocompatibility: Titanium e lumellana haholo le lintho tse phelang, ho bolelang hore ho ke ke ha etsahala hore e bake ho hanyetsa kapa ho haneloa ke sesole sa 'mele. Sena se etsa hore e be thepa e sireletsehileng le e ka tšeptjoang bakeng sa tšebeliso ea li-implants tsa bongaka.

  2. Matla le nako e telele: Titanium ke e 'ngoe ea litšepe tse matla ka ho fetisisa le tse tšoarellang ka ho fetisisa, tse etsang hore e be thepa e loketseng bakeng sa li-implants tse hlokang ho mamella khatello le mathata a ts'ebeliso ea letsatsi le letsatsi.

  3. Corrosion resistance: Titanium e hanyetsana haholo le ho bola 'me ha ho bonolo hore e sebetsane le maro a 'mele kapa lisebelisoa tse ling' meleng. Sena se thusa ho thibela ho kenya letsoho ho senya kapa ho senyeha ha nako e ntse e ea.

  4. Radiopacity: Titanium e na le radiopaque e ngata, ho bolelang hore e ka bonoa habonolo ka X-ray le liteko tse ling tsa litšoantšo. Sena se nolofalletsa lingaka ho beha leihlo ho implant le ho netefatsa hore e sebetsa hantle.




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