Isikhokelo samayeza ezemidlalo | Ukulungiswa kweCortical suspensor
Ukulungiswa kweqhosha le-Cortical yindlela yokumisa i-suspensor esetyenziswa kwiinkqubo ezikhethiweyo ze-ligament kunye ne-tendon. Iqhosha liphumle ngokuchasene ne-cortical bone kwaye lisebenza nge-suture loop esisigxina okanye ehlengahlengiswayo ukugcina i-graft ecwangcisiweyo okanye ukwakhiwa kwezicubu ezithambileyo. Isixhobo sibonelela ngokulungiswa komatshini ngelixa ukuphiliswa kwebhayoloji kuphuhla, kodwa akuqinisekisi ngokuzimeleyo ukuphiliswa ngokukhawuleza, iingxaki ezimbalwa okanye ukubuya kwangaphambili kwezemidlalo.
Yintoni uLungiso lweqhosha leCortical?
Ukulungiswa kweqhosha leCortical, ekwabizwa ngokuba yi-cortical suspensory fixation, isebenzisa iqhosha elincinane elibekwe ngokuchasene ne-cortex yangaphandle eqinile yethambo. I-loop okanye i-suture construct idibanisa iqhosha kwi-tendon graft, i-ligament graft okanye ukulungiswa kwezicubu ezithambileyo. Emva kokuba isetyenziswe kwindawo ekujoliswe kuyo, iqhosha linika indawo yokuxhasa i-cortical yolwakhiwo olumisiweyo.
Kulwakhiwo ngokutsha lwe-ACL, umzekelo, iqhosha le-cortical ye-femoral linokuxhasa i-graft ngaphakathi kwe-socket ye-femoral elungiselelwe okanye itonela. Ezinye iinkqubo zeqhosha ziyilelwe imimandla eyahlukeneyo ye-anatomical kunye neenkqubo. Ezi mveliso azitshintshi kuba nje zinemilo efanayo.
Amacandelo Angundoqo Olwakhiwo lweqhosha leCortical
Iqhosha leCortical vs iCortical Screw
Iqhosha le-cortical alifani ne-screw ye-cortical bone yesiqhelo. Isikrufu somgangatho wecortical sisebenzisa imisonto ukubandakanya ithambo kwaye siqhele ukunxulunyaniswa nokulungiswa kokwaphuka okanye ukwakhiwa kwepleyiti. Iqhosha lecortical libonelela ngokulungiswa kokuxhoma ngeqhosha-kunye-loop okanye iqhosha-kunye nolwakhiwo lwe-suture.
Musa ukubhidanisa iimveliso: i-2.7, 3.5 okanye i-4.5 mm ye-cortical bone screw akufanele ichazwe njengenxalenye efunekayo yokulungiswa kweqhosha le-ACL cortical ngaphandle kokuba inkqubo egunyazisiweyo kunye nobuchule botyando bubandakanya ngokukodwa.
Fixed-Loop vs Adjustable-Loop Cortical Buttons
Izixhobo zokumisa i-Femoral cortical ezisetyenziswa ekwakhiweni kwakhona kwe-ligament zihlala zixoxwa njenge-fixed-loop okanye i-adjustable-loop systems. Umahluko uchaphazela ukulungiswa kwe-graft, itonela okanye isicwangciso sesokethi, ukusasazwa kunye nokuhamba komsebenzi.
Iluphu inobude obumiselwe kwangaphambili. Ubunzulu betonela, ubude bokuxhunyelelwa kunye neqhosha lokugqitha kufuneka kucwangciswe malunga nomlinganiselo omiselweyo.
Ubude belophu bunokuhlengahlengiswa ngexesha lenkqubo ngaphakathi kwemida kunye nobuchule benkqubo ethile, ukuvumela uxhulumaniso ukuba luqhubele phambili okanye luxinzelelwe emva kokusasazwa kweqhosha.
Yeyiphi imilinganiselo yovavanyo lwaseLabhoratri
Uvavanyo lwe-Biomechanical lunokuthi lunike ingxelo yokufuduswa komjikelo, ukongezwa kwe-loop, ukuqina, umthwalo wesivuno kunye nokusilela. Olu vavanyo lunceda ekuboniseni ukuziphatha kwesixhobo phantsi kweprothokholi yelabhoratri echaziweyo, kodwa iziphumo zixhomekeke kuhlobo lovavanyo, umzekelo, indlela yokulayisha, ukulayisha kwangaphambili, iprothokholi yokukhwela ibhayisekile kunye nesiphelo.
Ixabiso eliphezulu lokungaphumeleli komthwalo kwisifundo sebhubhoratri esinye alibonakalisi ukuphiliswa kwe-tendon-to-bone ngokukhawuleza okanye izinga elisezantsi lokungaphumeleli kweklinikhi. Iziphumo zebhubhoratri kufuneka ziqwalaselwe kunye nobungqina beklinikhi kunye nolwakhiwo olupheleleyo lotyando.
Yintoni eboniswa bubungqina bezonyango
Uphononongo olucwangcisiweyo lwezixhobo zokumisa i-cortical-loop femoral cortical suspension lufumene umahluko phakathi kwelebhu kunye neziphumo zeklinikhi: izifundo ezininzi zelabhoratri zichaze ulwandiso lwelophu phantsi komthwalo we-cyclic, ngelixa izifundo zeklinikhi eziphononongwayo azizange zibonise umahluko ocacileyo phakathi kwamaqela ahlengahlengiswayo kunye namaqela amiselweyo azinzo, amanqaku amadolo okanye ukungaphumeleli kwegrafti. Ababhali babize ulingo lweklinikhi olomelele ngakumbi.
Ngokufanelekileyo, alukho udidi lwe-loop ekufuneka luchazwe njengophezulu jikelele. Ukhetho kufuneka lunike ingxelo ngesicwangciso soxhulumaniso, isicwangciso setonela, imiyalelo yesixhobo, ukuqhelana nogqirha wotyando kunye nobungqina obufanelekileyo bekliniki.
Izicelo eziQhelekileyo zoTyando lweCortical Button Fixation
Uyilo lwamaqhosha eCortical lusetyenziswa kwiinkqubo ezininzi ze-orthopedic, kodwa isalathiso sixhomekeke kuphawu oluchanekileyo lwesixhobo. Iqhosha elicinyiweyo okanye elibhalisiweyo kwinkqubo enye akufanele kuthathwe ukuba ligunyazisiwe kuyo yonke i-tendon, i-ligament okanye i-joint.
ACL kunye PCL Reconstruction
Ukulungiswa kwe-Cortical suspensory ngokuqhelekileyo kusetyenziswa kwicala le-femoral yeendlela ezikhethiweyo zokwakha kwakhona i-ACL kwaye inokudityaniswa kwi-PCL ekhethiweyo okanye ngaphakathi kolwakhiwo lwangaphakathi. Iqhosha lixhasa i-graft nge-loop ngelixa i-graft ithatha itonela elilungisiweyo okanye i-socket.
Iziphumo zeklinikhi zixhomekeke ngaphezu kweqhosha. Isikhundla setonela, uhlobo lwegrafti kunye nokulungiswa, ukulungiswa kumacala omabini, ukunyanzeliswa, ukulimala okuhambelanayo, ukubuyisela kwisimo sangaphambili kunye nemiba yesigulane zonke zinegalelo. Abafundi banokuphonononga indima ebanzi ye Iinkqubo zokulungiswa kogcino lwe-ACL kunye nesikhokelo esihambelanayo esichazayo indlela ukugcinwa kogcino luxhasa ukwakhiwa kwakhona kwe-ACL.
Distal Biceps Tendon Ukulungisa
Iinkqubo ezichanekileyo ze-cortical systems zingasetyenziselwa ukukhusela i-tendon ye-biceps ekude kwi-radius. Ubungqina obuvela kulo msebenzi abukwazi ukudluliselwa ngokuthe ngqo kwi-ACL yokwakhiwa kwakhona ngenxa yokuba i-anatomy, ukulayishwa, ukubonakaliswa kokuhlinzwa kunye neprofayili yobunzima iyahluka.
Uphononongo olupapashiweyo lunika ingxelo ngeziphumo zokusebenza ezithandekayo kodwa lukwachaza ukwenzakala kwemithambo-luvo, ukungahambi kakuhle kweqhosha okanye ukungazinzi, i-heterotopic ossification, ukuqhawuka kunye neengxaki zamanxeba. Le mingcipheko kufuneka ihlale ibonakala nanini na xa ubungqina be-biceps buxoxwa.
I-Ankle Syndesmosis kunye nezinye i-Soft-Tissue Fixation
Iinkqubo ezikhethiweyo zeqhosha le-suture zingabhalwa ngokuzinzisa i-syndesmosis okanye ezinye iinkqubo zokulungisa izicubu ezithambileyo. Ezi zakhiwo zihlala zisebenzisa amaqhosha amabini adityaniswe yi-suture ephezulu, kodwa injongo yabo yotyando kunye noomatshini bahluke ekumisweni kwe-ACL ye-femoral.
Ezinye izicelo ezikhethekileyo zenkqubo zingabandakanya i-ligament ekhethiweyo okanye i-tendon reconstructions ehlombe, i-elbow, unyawo okanye i-ankle. Iimpawu ezifanelekileyo, ukuchasana kunye nezixhobo kufuneka zitshekishwe ngemveliso ngqo kunye nemarike yendawo ekusingwa kuyo.
ILatarjet kunye nezinye iiTechnique eziZodwa
Ukulungiswa kweqhosha le-Suture kuye kwaphandwa ukulungiswa kwe-coracoid graft kwinkqubo ye-Latarjet. Ubungqina obuthelekisekayo bubonisa ukurhweba endaweni yokuphakama kwehlabathi jikelele: ukulungiswa kwe-screw kunokubonisa ukungazinzi okuphantsi okuphindaphindiweyo kolunye uhlalutyo oluhlanganisiweyo, ngelixa ukulungiswa kweqhosha kunokubonisa ukusebenza kwakhona okumbalwa okunxulumene ne-hardware. Iingxaki zizonke kunye nezinye iziphumo zisenokungahlukanga ngokucacileyo.
Ngeso sizathu, idatha yeLatarjet ayifanele isetyenziswe njengobungqina bokuba amaqhosha e-cortical ahlala ekhuselekile, azinzile okanye angcono ukuphilisa kwiinkqubo ezingahambelaniyo.
Indlela amaqhosha eCortical axhasa ngayo ukuPhiliswa kweTendon-to-Bone
Iqhosha le-cortical linikezela ukulungiswa komatshini okujoliswe ukugcina indawo ecwangcisiweyo ye-graft okanye i-tendon ngelixa ukuphulukiswa kwezinto eziphilayo kukhula. Ayenzi impiliso ngokwayo. Ukudityaniswa kwe-tendon-to-bone kuphenjelelwa kuqhagamshelwano lwe-graft, ukunyakaza kwi-interface, ithambo kunye nomgangatho wezicubu, ukulungiswa kwetonela, ukwakha ukuzinza, ukuvuselelwa kunye ne-biology yesigulane.
IiMechanics kunye nebhayoloji zahlukile: ukulungiswa okuqinileyo kokuqala kuyinjongo yobunjineli ebalulekileyo, kodwa akuqinisekisi ukufakwa kwe-graft, isiqabu kwiintlungu, ukuzinza kwamalungu, ukubuyela kwezemidlalo okanye ukukhululeka kutyando oluhlaziyiweyo.
Ukuhamba koMsebenzi woTyando Jikelele
Ukuhamba komsebenzi wotyando kuyahluka ngokwenkqubo kunye nenkqubo. Oku kulandelayo yinkcazo yomgangatho ophezulu wokulungiswa kwe-cortical suspensory graft, kungekhona ubuchule botyando okanye umyalelo wesigulane.
Ukuma kweqhosha elingalunganga okanye ukudibanisa kwezicubu ezithambileyo phakathi kweqhosha kunye necortex kunokuphazamisa ukulungiswa. Ukubonwa kwe-intraoperative, imaging okanye ezinye iindlela zokuqinisekisa zixhomekeke kubuchule. Iqhosha akufuneki kucingelwe ukuba lisetyenziswe ngokuchanekileyo ngokusekelwe kuphela kwingxelo ebambekayo.
Iqhosha leCortical vs Ezinye iindlela zokuLungisa
Ukuthelekiswa kokulungiswa kunentsingiselo kuphela xa kubandakanya inkqubo efanayo, i-graft, indawo ye-anatomical kunye nesiphumo. Kuyalahlekisa ukuthelekisa i-femoral ACL iqhosha le-cortical kunye ne-distal biceps suture anchor okanye i-screw ye-Latarjet kwaye ibonise umphumo njenge-universal ranking.
| Udidi lolungiso | Indlela ngokubanzi | Imiba ethile yenkqubo ethile |
|---|---|---|
| Iqhosha leCortical | Ixhoma i-graft okanye izicubu ezithambileyo kwiqhosha elixhaswa lithambo le-cortical | Ukuhlala kwamaqhosha, ukuziphatha kwe-loop, ingqibelelo ye-cortical, i-tunnel geometry kunye ne-soft-tissue interposition |
| Isikrufu sokuphazamiseka | Ibonelela ngokulungiswa kokuvula ngokucinezela i-graft ngaphakathi kwetonela | Izinto zokukrurulana kunye nobukhulu, umonakalo wokuxhunyelelwa, ukulingana kwetonela, umgangatho wamathambo kunye nokususwa okanye ukuqwalaselwa ngokutsha |
| Suture iankile | Idibanisa inyama ethambileyo kwithambo ngokusebenzisa i-ankile kunye ne-suture | Imathiriyeli ye-ankile, i-engile yokufaka, umgangatho wamathambo, uyilo olungenaqhina okanye olunamaqhina kunye nepateni yethishu |
| Isiseko okanye ukulungiswa kwe-backup | Ibonelela ngolungiso olongezelelweyo okanye umphezulu ngokoyilo lokufakelwa | I-anatomy yendawo, indawo yokufakela, ukubalasela, ukulandelelana kokulungiswa kunye nokuba iyona nto iphambili okanye ukulungiswa kwe-backup |
Iqhosha leCortical vs I-Inference Screw kwi-ACL Reconstruction
Ezi ndlela zilungisa i-graft ngeendlela ezahlukeneyo kwaye zinokusetyenziswa kumacala ahlukeneyo okwakhiwa kwakhona okufanayo. Iqhosha lecortical libonelela ngolungiso oluxhomileyo, ngelixa isikrufu sokuphazamiseka sibonelela ngokulungiswa kufutshane netonela yokuvula. Uthelekiso lweklinikhi luxhomekeke kubo bonke ubuchule be-ACL endaweni yokufakelwa kodwa.
Iqhosha leCortical vs Suture Anchor kwiTendon Repair
Izifundo ze-Biomechanical zinokuthelekisa umthwalo kunye nokungaphumeleli okanye ukufuduka, kodwa ukhetho lweklinikhi lukwaxhomekeke ekuvezweni kotyando, unyawo lwe-anatomical, isitokhwe samathambo, umngcipheko kwiimbilini ezikufutshane, ukubuyisela kwimeko yesiqhelo kunye nesalathisi esikhoyo sesixhobo. Amaqela e-XC Medico ahlukene iinkqubo ze-ankile ze-suture kuba i-ankile ayilolinye igama nje leqhosha lecortical.
Iprayimari vs Ukulungiswa kogcino
Iqhosha lecortical inokuba lulungiso olusisiseko oluxhonyiweyo kwinkqubo enye, ngelixa i-staple, screw okanye enye implanti inokusebenza njengolungiso olugcinayo kwenye. I I-ligament fixation staple system ngoko ke icandelo lemveliso eyahlukileyo kunecandelo leqhosha le-cortical.
Imingcipheko kunye neMida yoBugcisa
Akukho nkqubo yeqhosha le-cortical ikhululekile kumngcipheko. Iingxaki ezifanelekileyo zixhomekeke kwi-anatomy kunye nenkqubo, kodwa le miba ilandelayo inokufuna ukuqwalaselwa:
- Ukonakala kweqhosha: Ufakelo lusenokungahlali ngokubhekiselele kumphezulu wecortical.
- I-soft-tissue interposition: izicubu zinokubanjwa phakathi kweqhosha kunye nethambo.
- Ukufuduka okanye ukuchithwa: ukulahlekelwa kwesikhundla seqhosha elijoliswe kuyo kunokuphazamisa ukwakhiwa.
- Ubude be-Loop okanye i-graft motion: ukufuduka phantsi kokulayisha okujikelezayo kunokuchaphazela indawo yokulungiswa.
- Ukwandiswa kwetonela: Utshintsho lwetonela zizinto ezininzi kwaye zinokunxulunyaniswa nentshukumo yegrafti, ibhayoloji kunye nobuchule.
- I-Cortical compromise: ukuphuma kwetonela okungonelanga, ukuvuthuza kwecortical okanye umgangatho ophantsi wamathambo kunokuchaphazela inkxaso.
- Ukulimala kwe-neurovascular: umngcipheko uxhomekeke kwindlela yotyando, isikhokelo sokomba, i-anatomy kunye nenkqubo.
- Usulelo, ukuqina okanye ukungaphumeleli kwezicubu: iingxaki eziqhelekileyo kunye nenkqubo ethile yotyando zihlala zinokwenzeka.
Ubungqina kufuneka buhlale bucwangciswe ngokuthe ngqo: amaxabiso anzima ukusuka kwi-distal biceps ukulungiswa akufanele aboniswe njengemilinganiselo ye-ACL ye-complication, kunye ne-Latarjet ukuphindaphinda okanye idatha yokusebenza kwakhona akufanele isetyenziswe ukuqikelela ukuphulukiswa kwe-tendon-to-bone emadolweni okanye e-elbow.
Ingaba ooGqirha balikhetha njani iQhosha leCortical?
Ukukhethwa kusekelwe kwisicwangciso esipheleleyo sokwakhiwa kwakhona kunokuba ibango lokuthengisa malunga namandla. Iingqwalasela ezibalulekileyo ziquka:
- isalathisi esigunyazisiweyo se-anatomical kunye nokubhaliswa kwemarike yendawo ekusingwa kuyo;
- i-loop esisigxina okanye i-adjustable-loop workflow;
- imilinganiselo yeqhosha kunye ne-cortical footprint;
- impahla yeluphu, ubude boluhlu kunye nendlela yokulungelelanisa;
- uhlobo lwe-graft, ububanzi kunye nobude obulungisiweyo;
- itonela okanye i-socket diameter, ubunzulu kunye ne-cortical integrity;
- umgangatho wamathambo kunye nesimo sohlaziyo;
- i-drills ehambelanayo, izikhokelo, i-sutures edlulayo kunye nezixhobo zoxinzelelo;
- ukulungiswa okucwangcisiweyo kwicala elichasene nokwakhiwa kwakhona;
- uqeqesho lotyando kunye nobuchule obuthile benkqubo.
Uxwebhu lwesixhobo se-FDA senkqubo yokulungisa i-cortical dwelisa umgangatho ongonelanga we-cortical bone okanye ubuninzi njengento enokuchasana nayo. Ukuchasana okuthe ngqo kwimveliso kufuneka kuhlaziywe kunokuba kucinge ukuba ukulungiswa kwe-cortical kufanelekile kwisigulane ngasinye.
IiNkqubo zoLungiso lweCortical kwizibhedlele kunye nabasasazo
Izibhedlele, abasasazi kunye namaqabane e-OEM/ODM kufuneka avavanye ipotifoliyo yokulungisa i-ligament epheleleyo, kungekhona kuphela iqhosha le-titanium elibonakalayo. XC Medico's amathambo kunye neenkqubo zamayeza ezemidlalo ziquka iindidi ezininzi zokulungisa ukusetyenziswa kobuchule.
I i-ligament fixation ye-titanium plate kunye neendidi zamaqhosha kufuneka zihlolwe ngenombolo yekhathalogu, ukusetyenziswa okujoliswe kuyo, izinto eziphathekayo, ukucaciswa kwe-loop kunye nezixhobo ezihambelanayo. Amaqela okuthenga kufuneka acele amaxwebhu angoku malunga nolungelelwaniso kunye nemarike.
| Indawo yokukhangela izinto | emaziqinisekise |
|---|---|
| Isalathiso | Ngokuchanekileyo i-ligament, i-tendon, ukusebenzisana kunye nokulungiswa okuchazwe kwilebhile yemveliso yangoku |
| Ubumbeko lwesixhobo | Imilinganiselo yeqhosha, uhlobo lwelophu, uluhlu lweluphu, imathiriyeli ye-suture kunye nezinto ezahlukeneyo ezikhoyo |
| Izixhobo zomculo | Iidrill ezihambelanayo, izikhokelo zetonela, iigeyiji zobunzulu, abantu abadlulayo kunye nezixhobo zoxinzelelo |
| Ubungqina bomatshini | Ukulayisha okusebenzayo komjikelo, ukufuduswa kunye novavanyo lokusilela kuqwalaselo lokugqibela lwesixhobo |
| Amaxwebhu | Izatifikethi, imiyalelo yokusetyenziswa, ukulandeleka, ubume obunyumba kunye nolwazi lobomi beshelufa |
| Ukufikelela kwimarike | Ubhaliso kunye namabango avunyelweyo kwilizwe okanye ummandla |
Ukuthengwa kobuchwephesha: cela ikhathalogu yangoku yokulungisa i-ligament, iinkcukacha zesixhobo, uluhlu lwezixhobo ezihambelanayo kunye namaxwebhu olawulo angqamene neemarike ngaphambi kokukhetha inkqubo yokulungisa i-cortical.
Imibuzo Ebuzwa Rhoqo malunga nokulungiswa kweqhosha leCortical
Yintoni ukulungiswa kweqhosha lecortical?
Yindlela yokulungiswa kwe-suspensory apho iqhosha lihlala kwi-cortical bone kwaye lidibanisa nge-loop okanye i-suture yokwakha kwi-tendon graft, i-ligament graft okanye ukulungiswa kwezicubu ezithambileyo.
Ngaba iqhosha lecortical liyafana nesikrufu secortical?
Hayi. Iqhosha lecortical lidla ngokusebenza njengenxalenye yolwakhiwo lweqhosha kunye nelophu. Isikrufu secortical sisebenzisa imisonto ukubandakanya ithambo kwaye sesodidi olwahlukileyo lokulungisa.
Uthini umahluko phakathi kwamaqhosha e-loop esisigxina kunye namaqhosha alungelelanisiweyo?
Isixhobo se-loop esisigxina sinobude obumiselwe kwangaphambili. Isixhobo esilungelelanisiweyo se-loop sivumela ubude belophu ukuba butshintshwe ngokuhambelana nokusasazwa kwaso kunye nobuchule boxinzelelo.
Ngaba ukulungiswa kweqhosha le-cortical kwenza i-graft ye-ACL iphilise ngokukhawuleza?
Ibonelela ngokulungiswa koomatshini ngelixa ukuphiliswa kwebhayoloji kuphuhla, kodwa akuqinisekisi ukufakwa kwegrafti ngokukhawuleza. Ukuphilisa kuxhomekeke ekwakhiweni ngokupheleleyo, i-biology ye-tissue, ukulungiswa kwetonela, ukuzinza, ukuvuselela kunye nezigulane.
Ngaba iqhosha-loop elihlengahlengiswayo lingcono kuneqhosha le-loop esisigxina?
Hayi jikelele. Izifundo zebhubhoratri zichonge ukungafani kwe-biomechanical, ngelixa izifundo zeklinikhi azizange zibonise ngokucacileyo ukuphakama okucacileyo ekuzinzeni, amanqaku amadolo okanye ukungaphumeleli kwe-graft. Ukhetho kufuneka lube yinkqubo- kunye nenkqubo ethile.
Zeziphi iingxaki ezinokubakho?
Imiba enokwenzeka ibandakanya ukungahambi kakuhle, i-soft-tissue interposition, ukufuduka, i-loop elongation, ukwandiswa kwetonela, ukungaphumeleli kokulungiswa kunye ne-nerve-specific nerve, i-vascular, usulelo okanye iingxaki zokuqina.
IiReferensi zonyango kunye noLawulo
- I-Loop eLungisiweyo ye-Femoral Cortical Suspension Devices for ACL Reconstruction: Uphononongo olucwangcisiweyo.
- Yonke-Ngaphakathi Ukwakhiwa ngokutsha kwe-ACL kunye ne-Suspensory Cortical Button Fixation: Uphononongo olucwangcisiweyo kunye nohlalutyo lwe-Meta.
- Iziphumo zeklinikhi kunye neengxaki ze-Cortical Button Distal Biceps Repair: Ukuphononongwa okuCwangcisiweyo.
- Ukulungiswa kwe-Screw ngokubhekiselele kwi-Suture-Button Fixation yeNkqubo yeLatarjet: Ukuphononongwa okuCwangcisiweyo kunye nohlalutyo lweMeta.
- I-US FDA 510(k) Uxwebhu: I-Cortical Fixation System eSetyenzisiweyo kunye neZithintelo.
