Nlele: 24 Odee: Saịtị Editọ Oge mbipụta: 2023-01-15 Mmalite: Saịtị
Ihe mgbawa nke patellar na-aza 1% nke ikpe ọ bụla nke trauma, na ntuziaka ugbu a na-atụ aro usoro ịwa ahụ maka ọgwụgwọ nke mgbagwoju anya nke transverse patellar na mgbawa elu articular bụ eriri band band (TBW), nke na-arụ ọrụ dị ka ngwaọrụ mgbochi mgbe patellar (agbatị) elu na-agbanye ike na-ehulata.
Agbanyeghị, nsogbu nke usoro a na-agụnye ọdịda ime nke waya, ọrịa, na ọnya ọnya. Na mgbakwunye, itinye wires ogologo oge nwere ike bụrụ ihe ịma aka nke ukwuu, ọkachasị mgbe ị na-egbutu ma na-eli njedebe waya na akwara patellar na akwara quadriceps.
Anyị haziri 3 usoro ọhụrụ maka ndozi nke transverse patella fractures site na iji otu ihe dị ka ọkọlọtọ TBW.
ngwa nke ọnụ ọgụgụ-nke-asatọ waya erughị ala band mgbe gafere-akwọ ụgbọala kerf atụdo.
Ogologo Kirschner ntụtụ na eriri erughị ala n'akụkụ abụọ nke patella.
gafere Kirschner atụdo na mpụta esemokwu eriri.

Ya mere, ebumnobi nke ọmụmụ ihe biomechanical a bụ iji tụnyere ụzọ ndozi ọhụrụ atọ na ụkpụrụ AO gold nke eriri eriri waya.
Echiche mbụ anyị bụ na iguzosi ike n'ezi ihe biomechanical nke ihe owuwu ndị a na-eji ntụtụ kerf gafere ekwesịghị ịka njọ. Echiche nke abụọ anyị bụ na TBW n'akụkụ ga-enweta nsonaazụ yiri nke TBW ọkọlọtọ.
A na-eji mkpịsị pendulum gbajie mgbaji dị mfe transverse patellar, na usoro ọhụrụ 3 ahụ ka etinyere ya n'usoro iji kewapụ ikpere iji hụ na enwere ike ịrụ ya n'ụzọ nke na-anọchi anya usoro nchebe na nke nwere ike imegharị na-adabere na ahụ mmadụ (dị ka egosiri na Figure 2 na 3). Emezuru ihe niile nke ọma. Ejiri ngwaọrụ biomechanical iji nwalee iguzosi ike n'ezi ihe biomechanical nke usoro 3 ọhụrụ ahụ.


E gosipụtara nsonaazụ ule niile na eserese 4 na 5.
Nsonaazụ gosiri na Nhazi nke nwere obere mgbawa mgbawa mgbawa bụ nke gafere kerf atụdo jikọtara ya na mpụta TBW (nkà na ụzụ 3), na a pụtara mgbaji ọdịiche mgbanwe nke 0.43 mm (nso 0.10-0.80 mm) mgbe 100 cycles, nke ọma n'okpuru ịrịba mgbawa nke 2 mm.
Ọkọlọtọ TBW jikọtara ya na ntụtụ kerf gafere (usoro 1) bụ nke na-esote kacha mma, yana mgbawa mgbawa pụtara 0.61 mm (0.06 ruo 2.06 mm).
The pụtara etinyere ibu bụ 69.2 N. The AO ọkọlọtọ bụ nke kasị njọ, na a pụtara ikpeazụ mgbaji ọdịiche mgbanwe nke 1.72 mm (0.47 ka 2.24 mm) na a pụtara etinyere ibu nke 79.6 N. AO ọkọlọtọ bụ nke kasị njọ, na pụtara ikpeazụ mgbaji ọdịiche nke 1.72 mm (20.44 ka mm).


N'ihe gbasara mmụba n'ịkwalite kwa okirikiri, ma gafere kerf (usoro 1 na 3) ihe owuwu na-egosi nchụpụ dị nta: 0.27 mm maka akụkụ abụọ gafere kerf na okirikiri ikpeazụ, ma e jiri ya tụnyere 0.41 mm na 0.60 mm maka ọkọlọtọ AO na usoro kerf ogologo ya na TBW n'akụkụ. nke a bụ ihe àmà na-egosi na usoro kerf gafere na-enye ike dị ukwuu na mgbaji dị n'okpuru ibu Nke a bụ ihe àmà nke nkwụsi ike dị ukwuu nke oghere mgbawa n'okpuru ibu nyere site n'usoro Clinch pin.
Nsonaazụ na-atụ aro na ịtụgharị Kirschner pin ka ọ bụrụ ihe owuwu nke dịpụrụ adịpụ site na anụ ahụ dị nro gbara ya gburugburu, mana idobe ya n'otu ụgbọ elu (ya bụ, 5 mm n'azụ ihu convex nke patella), anaghị emetụta iguzosi ike n'ezi ihe nke biomechanical nke ọma, kama ọ na-emetụta nkwụsi ike nke mgbaji dị n'ime. Tụnyere ntụtụ kerf ogologo ogologo, ihe owuwu cruciform na-egosi na ọ na-eme ka mgbochi mgbaji kwụsị n'ihu esemokwu ma nwee ike ịbawanye nrụgide mkpakọ na elu articular.
Ihe data ndị a na-akwado echiche mbụ anyị nke na-agafe pin kyphotic abụghị usoro ịwa ahụ ka njọ ma e jiri ya tụnyere ogologo kyphotic pins, na n'eziokwu, akụkụ abụọ ahụ na-arụ ọrụ nke ọma karịa ntụtụ kyphotic ogologo site na iji pin kyphotic gafere. Echiche nke abụọ anyị ka kwụ ọtọ, ebe ọ ka edoghị anya site n'ọmụmụ ihe a ma nsonaazụ TBW n'akụkụ ọ ga-atụnyere ọkọlọtọ TBW.
Nke a bụ ọmụmụ ihe ọmụmụ biomechanical izizi gosipụtara ịdị elu karịa usoro AO site n'ịtụle usoro ịwa ahụ na TBW. Enweghị ụgwọ ọzọ ma usoro ahụ nwere ike ịdị ngwa ngwa n'ihi na achọrọ obere ikpughe. Iji ntụtụ kyphotic gafere na-ebelata mmebi nke anụ ahụ dị nro gbara ya gburugburu (karịsịa quadriceps na akwara patellar). Tụkwasị na nke ahụ, ọ bụrụ na ndị dọkịta na-awa ahụ na-eche banyere àgwà nke anụ ahụ dị nro kpuchiri ekpuchi na ihe ize ndụ nke iwe ma ọ bụ nkwụsị nke nrụzi nke ime ime n'ihu metal, ọmụmụ ihe a kwesịrị ime ka obi sie ha ike na itinye TBW n'akụkụ ọ bụla nke patella na-ezere nke a ma na-emeziwanye nhazi n'ozuzu ya.
Ọmụmụ ihe a na-egosi na ụzọ abụọ ọhụrụ gafere kerf pin dị elu karịa ọkọlọtọ ọla edo nke AO kọwara ugbu a n'ịgwọ mgbawa patella dị mfe transverse.
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