Kune varwere vanenge vava kuda kutsiva hudyu kana kuti vari kufunga kutsiva hudyu mune ramangwana, pane zvakawanda zvakakosha zvisarudzo zvokuita. Chisarudzo chakakosha isarudzo yeprosthetic inotsigira nzvimbo yekutsiviwa kwekubatana: simbi-pa-simbi, simbi-pa-polyethylene, ceramic-on-polyethylene, kana ceramic-on-ceramic. Dzimwe nguva, izvi zvinogona kuva dambudziko!
Kuvhiya kwese kwehudyu kutsiva kunogona kushandiswa kutsiva arthritic hip joint, uchishandisa artificial joint prosthesis kubvisa marwadzo anokonzerwa nekukwesha nzvimbo.
Artificial joint prostheses akagadzirirwa kupa varwere kugadzikana kwakanyanya uye kushoma uye kubvaruka. Chinyakare simbi uye polyethylene implants zvakashandiswa kubva kuma1960s, asi kufambira mberi kwehunyanzvi kwakakonzera kuti ceramic nezvimwe zvinhu zviwedzere kufarirwa.
Hip joint replacement implant materials
Imwe yezvinetso zvinowanzoitika mushure mekutsiviwa kwehudyu ndeyekupfeka uye kubvaruka kwejoint prosthesis kubva pakushandisa zvakajairika. Zvichienderana nemamiriro ezvinhu chaiwo omurwere, akadai sezera, ukuru, danho rekuita, uye ruzivo rwachiremba nezvekudyara chaiko, hudyu inotsiva prosthesis inogona kugadzirwa nesimbi, polyethylene (plastiki), kana ceramic. Semuenzaniso, kana murwere ari kushanda zvakanyanya kana kuti achiri mudiki uye achida kukwirira kwekufamba mushure mekuvhiyiwa, chiremba wemapfupa anogona kukurudzira ceramic hip implant.
1,Metal bhora musorouye polyethylene (plastiki) lining.
Mabhora esimbi akajairwa uye polyethylene cup liners anga achishandiswa kubva kutanga kwema1960. Tsvagiridzo yesainzi inoratidza kuti kushandiswa kweakagadziridzwa polyethylene liner, inozivikanwa se "yakanyanya kuyambuka-yakabatana" polyethylene liners, inogona kuderedza zvakanyanya kuwanda kwekupfeka kwemaimplants. Nekuda kwekugara kwayo uye zvimwe zvinhu zvine hukama, metallic polyethylene yanga iri chinhu chesarudzo kune varapi vemapfupa enhengo dzehudyu dzakagadzirwa kubva pakaitwa kuvhiya kwekutanga kutsiva hudyu. Bhora resimbi rakagadzirwa necobalt-chromium alloy uye lining rakagadzirwa nepolyethylene.
2,Ceramic bhora musorouye polyethylene (plastiki) lining
Ceramic matipi akaoma kupfuura simbi uye ndiwo anonyanya kudzivirirwa anodyara zvinhu. Ceramics pari zvino inoshandiswa mukuvhiya majoint replacement ane yakaoma, isingakwenye, yakanyanyisa-smooth nzvimbo iyo inogona kuderedza zvakanyanya kupfekwa kwe polyethylene friction interfaces. Kugona kupfeka mwero weiyi implant yakaderera pane inogona kupfeka mwero wesimbi pa polyethylene.
3、 Metal bhora musoro uye simbi liner
Metal-on-metal friction interfaces (cobalt-chromium alloys, dzimwe nguva simbi isina tsvina) yakashandiswa kare muna 1955, asi haina kubvumirwa neFDA kuti ishandiswe muUnited States kusvikira 1999. Sezvo teknolojia inofambira mberi, kupfeka kunoderedzwa zvakanyanya, zvichiita kuti kuputika kuduku uye kurasikirwa kwemapfupa. Metal bearings inowanikwa muhukuru hwakasiyana-siyana (kubva pa28mm kusvika ku60mm), pamwe chete nemhando dzakasiyana dzehurefu hwehuro. Zvisinei, mishumo yenguva refu yekuvhiyiwa inoratidza kuti simbi, seyoni inenge ichishanda, inounganidza tsvina yesimbi nekuda kwekugara kwenguva refu uye kubvaruka, izvo zvinogona kutungamirira mukuparara kwebhonzo kumativi ejoint prosthesis, pakupedzisira zvichiita kuti isununguke uye deformation yejoint prosthesis. Kuvhiya kwakundikana.
4, Ceramic bhora musoro uyeceramic lining
Muhudyu idzi, mabhora esimbi echinyakare uye polyethylene liners akatsiviwa nepamusoro-simba ceramics, iyo inozivikanwa neiyo yekupedzisira-yakaderera-kupfeka zvinhu. Nekudaro, nepo vaine mabhenefiti emhando yepamusoro uye yakaderera kupfeka, ivo zvakare vane dhizaini yekudhura kwakakwira.
Sarudzo yekupedzisira yekudyara inotarwa zvichienderana nemamiriro ehutano hwemurwere uye inodawo hunyanzvi, dzidzo, uye hunyanzvi hwachiremba wemapfupa ekugadzirisa chigadzirwa chemugadziri chaiwo. Nokudaro, zvinodikanwa kukurukura nachiremba wako wemapfupa asati avhiyiwa kuti unzwisise rudzi rwekuiswa kwavanoda kushandisira kuvhiyiwa kwehudyu yako, uye zvikonzero zvekusarudza imwe kudyara.
Nguva yekutumira: Jan-18-2024