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Top 10 distal tibial intramedullary nel (DTN) na Nɔt Amɛrika fɔ Janwari 2025

Views: 0     Author: Sayt Ɛditɔ Pɔblish Tɛm: 2025-06-17 Ɔrijin: Ples

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Distal tibial intramedullary nel (DTN) Klinik st ɔ di .

Kɔmprɛhɛnsif analisis fɔ ɔspitul tɛknik, autkam, ɛn aplikeshɔn dɛn .
Di wan we dɛn pul: Jun 17, 2025

di distal tibial intramedullary nel (DTN) de sho fכ difrεn difrεn tibial kondishכn dεm, we inklud simpul, spiral, comminited, long oblique, εn segmental shaft fraktכs (patikyula fכ di distal tibia), εn bak distal tibial mεtafyseal fraktכs, nכn-/mal-yun; I kin wok bak, bɔku tɛm wit spɛshal divays dɛn, fɔ manej bon dɛfɛkt ɔ limb lɔng diskrɛpshɔn (lɛk fɔ lɔng ɔ fɔ shɔt).

Plɛt dɛn we de lɔk .

signifyant soft tisu damej, ay infεkshכn rεt, lכng rεkכvri

Nel dɛn we de na di antegrɛd .

Risk fɔ gɛt injuri na di ni, fɔ fiks am we nɔ fayn, fɔ prone to malalignment

DTN Sɔlwɛshɔn .

Minimal invasiv aprɔch wit retrogrɛd insɛt dizayn .

I. Introdyushɔn .

1Distal tibial fraktrɔs na kɔmɔn tin, ɛn tradishɔnal tritmɛnt dɛn gɛt limiteshɔn .

distal tibial fraktכs na wan kכmכn tכp fכ lכw limb fraktכs. Tradishonal tritmɛnt dɛm lɛk fɔ lɔk plet ɛn antegrade intramedullary nel dɛn ɔl gɛt dɛn drawbacks. Plɛt dɛn we dɛn kin lɔk kin mek dɛn gɛt infekshɔn afta dɛn dɔn ɔpreshɔn ɔ dɛn kin gɛt sɔft tisu nɛkrɔsis, dɛn kin mek dɛn wɛl fɔ lɔng tɛm; pan ɔl we di antegrade nel dɛn nɔ kin izi fɔ du, dɛn kin pwɛl di knee jɔyn, mek dɛn fil pen, ɛn dɛn kin kɛr di risk dɛn we nɔ fayn fɔ fiks ɔ malalign, we kin mek dɛn nɔ ebul fɔ wɛl.

2Nyu Sɔlv: Distal Tibial Nail (DTN)

wan nכvel tritmεnt opshכn—distal tibial nel (DTN)—de gi wan nyu pεspεktiv fכ mεnεj distal tibial fraktכs wit in yכnik rεtrogεd disayn.

Fig. 1: DTN retrogrɛd insayshɔn dizayn .

II. Di we aw dɛn kin du ɔpreshɔn .

1Patient posishunin ɛn ridɔkshɔn pripiamɛnt .

Dɛn kin put di sikman na di say we dɛn kɔl supine pozishɔn. Displaced fraktrɔs fɔ bi ridyusibl wit an; If nid de, yuz ridɔkshɔn fɔs fɔ ɛp bifo yu put di DTN insay. If wan akɔmpanyin fibular fraktrɔs de, di rayt fibular alaynɛshɔn kin ɛp fɔ ridyus di tibial.

Di men tin dɛn we yu fɔ tink bɔt: supine pozishɔn, yuz ridɔkshɔn fɔsɛps if nid de. prayoritayz fibular fraktכs mεnejmεnt fכ mek sכh se dεn ridyus di tibial akכrd.

2DTN insershɔn prosidyushɔn .

wan 2–3 cm longitudinal insishכn de mek na di tip fכ di mεdial malleolus fכ εkspכz di supεrfishal deltoid ligament. wan gayd pin de insay כ sכmtεm mεdial to di tכp na di malleolus, 4–5 mm frכm di artikulכr sεf.

Insishɔn:

Longitudinal kot na di medial malleolus tip .

Gayd Pin Pozishɔn:

4–5 mm frɔm di jɔyn surface .

Fikseshɔn:

skru dɛn we de lɔk di intalɔk dɛn proksimal ɛn distal wan .

Fig. 2A: Gayd pin insayshɔn .

Fig. 2B: Lateral we yu de si

Fig. 2C: Riaming prɔses .

III. Post-op rihabiliteshɔn .

0-6 na di .

Wik dɛn we nɔ gɛt wet fɔ bia .

Wantɛm anklɛ jɔyn mobiliti ɛn fut-to-flɔ kɔntakt

6-8.

Wik dɛn we de pan di wet-bɛrin .

Progres to 50% weit-bearing kapasiti .

8-12.

Wik dɛn Ful wet-bɛrin

We dɛn de wach di kɔlɔs fɔmɛshɔn ɛn pen .

Rihabiliteshɔn Prɔtokɔlɔ .

  • Anklɛ jɔyn aktiviti kin bigin wantɛm wantɛm afta dɛn du di ɔpreshɔn .

  • Avɔyd fɔ gɛt wet fɔ 4–6 wik .

  • smɔl smɔl transishɔn to ful wet-bɛrin na 8–12 wik

  • Rigyul raydiografik monitarin di tɛm we dɛn de rikavari faz .

IV. Di tin dɛn we di stɔdi dɔn sho .

1Klinik autkam fɔ 10 pasɛnt dɛn .

Wan stɔdi bin fala 10 pasɛnt dɛn. Bay 3 mɔnt post-op, 7 kes dɛn bin dɔn wɛl; Ɔl di pasɛnt dɛn bin ebul fɔ wɛl insay 6 mɔnt. Wan kes we ɛni wan pan di Varus ɛn Recurvatum difɔmiti dɛn bin apin. Nɔ lɔs pan ridɔkshɔn, infɛkshɔn, implant-rilayt kɔmplikeshɔn, ɔ Iatrogenic injury dɛn bin si.

70%

Healed insay 3 mɔnt .

100%

Healed bay 6 mɔnt .

0%

Infɛkshɔn dɛn .

Autkam Mɛzhɔ DTN Rizɔlt dɛn Tradishɔn Mɛtɔd dɛn .
Di yunion ret (3 mɔnt) . 70% 40-60%
Malalignmɛnt (>5°) . 20% 25-40%
Infɛkshɔn ret . 0% 5-15%
AOFAS Skɔl . 92.6 73-88 pipul dɛn bin de.

V. Kes Ripɔt .

69 ia ol man pasɛnt .

  • Frakshɔn tayp: transvas tibial fraktrɔs + fibular fraktrɔs

  • Komplikashɔn: Sɔft tisu krɔsh injuri .

  • Post-op: Na 6 smɔl smɔl say dɛn nɔmɔ we dɛn kɔt, we dɔn dɔn insay 1 ia insay 1 ia

Tritmɛnt Sɔma

DTN implanted tru minimal incisions wit ekselent soft tissue preservation. Fibular fraktכs stεbyulεd wit intramedullary nel. Di pɔsin bin ajɔst to ful rikavari wit nɔ kɔmplikeshɔn.


Pre-op imej .

Pɔst-ɔp wantɛm wantɛm .

3-mɔnt fɔlɔp-ɔp

1-ia fɔ mɛn pipul dɛn .

Vi. Tɔk bɔt

1Bayomɛkanikal stebiliti .

rεtrogεd nel dεm gεt supεriכr akshal εn rotashכnal stiffnεs kכmpεr to mεdial lכk plet dεm εn antegrade nel dεm. Grinfild ɛn ɔda pipul dɛn. kכndukt bayomεkanikal tεst we de sho se yuz tu distal skru dεm na di DTN achy 60–70% fכ di kכmpreshכn stiffnεs εn 90% fכ di torshכnal stiffnεs kכmpεr to tri skru dεm.

2Advantej dɛn fɔ DTN .

We yu kɔmpia am wit di plet dɛn we dɛn kin lɔk, di nel dɛn we de insay di bɔdi kin mek dɛn nɔ gɛt bɔku sɔft tisu, mɔ fɔ di wan dɛn we dɔn ol ɛn di wan dɛn we gɛt siriɔs sɔft tisu injuri frɔm we dɛn gɛt bɔku ɛnaji trauma. Di prosidur nɔ nid fɔ fleks di knee, ridyus di risk fɔ ridyus di lɔs ɛn mek i fayn fɔ di pasɛnt dɛn we gɛt limited knee motion.

3Klinik Kɔmpiashɔn .

di nonunion εn malalignment rεt fכ di antegrade nel dεm na 0–25% εn 8.3–50%, rispεktivli; fכ lכk plet, 0–17% εn 0–17%. Insay dis stɔdi, ɔl di kes dɛn we dɛn ajɔst to di union, ɛn na 20% nɔmɔ bin gɛt difɔmiti >5°, we dɛn kɔmpia to tradishɔnal we dɛn.

VII we de na di wɔl. Dɔn

In sɔmari, DTN de gi advantej oba lɔk plet ɛn antegrade intramedullary nel ɛn ripresent wan ifektiv sɔlvishɔn fɔ trit distal tibial fraktrɔs. DTN ficha minimal invasivnes, ay stebiliti, ɛn kwik rikavari. Na valyu ɔda we fɔ trit tradishɔnal tritmɛnt dɛn ɛn i fayn fɔ mek dɛn protɛkt am.

DTN prodakt layn .

2

Distal tibial intramedullary nel (DTN) .

2

Distal tibial intramedullary nel (DTN) instrument set .

Model:1200-27 Di wan dɛn we de wok.

     Di ditel dɛn bɔt di prɔdak .    
2

Distal tibial intramedullary nel (DTN) Instrument Box

Model:1000-0139 Di wan dɛn we de wok.

     Di ditel dɛn bɔt di prɔdak .    

Rifrɛns dɛn .

  1. Yamakawa Y, Uehara T, Shigemoto K, ɛn ɔda pipul dɛn. prεliminεri risכlt dεm fכ stεbilizεshכn fכ fa distal tibia fraktכs wit di distal tibial nel: wan prospektiv, mכltisenta kes siriכs stכdi[J]. Injuri, 2024: 111634.

  2. 创伤骨科智能科技 智汇骨. (2024年12月31日). 胫骨远端髓内钉突破胫骨远端骨折的治疗 [微ps信公众号文章]. 创伤骨科智能科技 智汇骨. https://mp.weixin.qq.com/s/9uqqvj0eae4bkzg2u4nq8q (we dɛn akses: 2025年06月07日)


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