Ɔkwan bɛn so na wɔde pedicle screws hyɛ mu?

Pedicle screw a wɔde si hɔ no kwan .

1. Beae a ɛkɔ: Kɔn, koko ne asen yɛ soronko;

. SSA no ne nipadua no gyinabea wɔ abusuabɔ pɔtee bi, na wobetumi de C-Arm no adi so bere a wɔreyɛ oprehyɛn no.

3. Depth: Screw no tenten du pedicle axis no tenten 80% na ama woanya biomechanical ahoɔden a ɛdɔɔso, na ɛnyɛ den sɛ wobɛhyɛn cortical bone no mu na asɛe mogya ntini no sɛ ɛware dodo a.

4. Tenten: Efi ade a wɔde hyɛ mu no so kosi 83% wɔ vertebral nipadua no anim cortex no nyinaa tenten mu.

Awotwaa mu akyi berɛmo .

Ɔkwan a wɔfa so de cervical pedicle screw hyɛ mu .

Ɔkwan a wɔfa so de ade hyɛ mu .

Mprempren, akwan titiriw a wɔfa so de nnade hyɛ mu ne: Abumi kwan, nipadua mu agyiraehyɛde gyinabea kwan, kɔmputa so mfoniniyɛ gyinabea kwan, ne nea ɛkeka ho.

Awotwaa mu akyi berɛmo mu kwan .

• Wɔ 5mm ntam wɔ 5mm a ɛwɔ ase no ase wɔ C2 axis no lamina no atifi anoano ne 7mm akyi wɔ akyi berɛmo no mfinimfini ano.

• C3-C6 Ntrɛwmu a ɛwɔ mfinimfini soro 1/4 horizontal line ne mfinimfini akyi 1/4 vertical line wɔ afã block no akyi.

• c7 Ntwamu a ɛda vertical midline a ɛwɔ lateral block no ne mfinimfini 1/4 a ɛwɔ soro no so no wɔ soro.

  
  

Cervical vertebra a ɛyɛ mmerɛw sɛ ɛbɛbɔ .

• C2 a ɛkɔ soro 20-25° no yɛ 10-15° .

• C3-C6 incline 40-45°, wimhyɛn a ɛda fam no ne nea ɛwɔ soro ne ase no hyia .

• C7 inclination 30-40°, horizontal plane no ne soro ne ase awiei no hyia .

  
  

Awotwaa mu akyi berɛmo mu ntini .

• C1～c5 hia nkɔnsɔnkɔnsɔn a ne kɛse yɛ 3.5mm na emu dɔ yɛ 20mm .

Sɛ atlas no akyi adum no sorokɔ nnu 4mm a, wɔsesa no kɔ lateral mass screw.

Sɛ axis no pedicle no sorokɔ anaa ne tɛtrɛtɛ nnu 5mm a, wɔkamfo kyerɛ sɛ wɔbɛsesa akɔ lateral mass screw fixation so.

Cervical lateral mass screw a wɔde si hɔ .

Magerl kwan : Screw entry point no wɔ 1-2mm atifi wɔ mfinimfini ɔfasu a ɛwɔ akyi no so; Screw no kwan a ɛkɔ mu no kɔ 25-30° wɔ afã bi, na ti no kɔ soro 30° (ɛne ntini a ɛwɔ soro no hyia), na wɔtu contralateral cortex no; Depth susudua akyi skruing wɔ 3.5mm cortical bone screws.

Roy-Camille kwan : Screw entry point no wɔ akyi no mfinimfini mass; Screw entry direction no yɛ 10° wɔ afã, vertical posterior cortex no yɛ drilled, na contralateral cortex no yɛ drilled; Sɛ wɔbɔ no wie a, wɔbɔ 3.5mm cortical bone screw no mu.

Anderson kwan : Screw entry point no wɔ 1mm mu wɔ lateral mass no mfinimfini, screw entry no kwankyerɛ yɛ 20° wɔ afã, na ti no dannan 20° kosi 30° de tu tokuru no, na wɔde contralateral cortex no tu.

Osuahu Nsɛm a Wɔaboaboa Ano .

(1) Ɛsɛ sɛ wɔde adwene si screw a wɔde hyɛ nipadua no mu no ahobammɔ so titiriw. Ɛsɛ sɛ oduruyɛfo a ɔyɛ oprehyɛn no paw ɔkwan a ɛfata sɛnea awotwaa no mu nipadua ne pedicle screw technique no tumi te no.

(2) Lateral mass screw fixation a ɛwɔ C3-C6 fã no mu no yɛ mmerɛw na ahobammɔ wom sen pedicle screw fixation no.

(3) Adwinnade no ntumi nkɔ pedicle no akyi ɔfasu no mu, anyɛ saa a ɛbɛsɛe ntini ne mogya ntini a ɛbɛn no.

(4) Ɛsɛ sɛ screw insertion no anim no yɛ soronko wɔ vertebral arch no anim.

(5) Ɛsɛ sɛ wɔkwati cortical dompe a ɛkɔ akyi berɛmo no anim no.

(6) Intraoperative fluoroscopy betumi ahu vertebral nipadua ne intervertebral space no pɛpɛɛpɛ, na wɔde nkɔnsɔnkɔnsɔn ahyɛ mu pɛpɛɛpɛ na amma ntini a ɛwɔ akyi berɛmo no ntam ne akyi berɛmo no mu no ankɔ so.

akyi berɛmo .

Needle entry point:

1. Margel ne Roy Camille faa ntwemu a ɛwɔ ntwea so a ɛwɔ transverse process no mfinimfini ne vertical line of the outer edge of the superior articular process sɛ beae a wɔhyɛn mu.

. ~8mm na ɛwɔ hɔ.

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4. Wɔ mfinimfini kwan no ntam kwan no ntam kwan a ɛkɔ akyiri a ɛwɔ articular process a ɛwɔ fam no ne line a ɛwɔ mfinimfini a ɛwɔ ntini a ɛwɔ transverse process no mu no, 1 mm wɔ facet no ase;

5. Wɔ tebea horow a emu yɛ den mu no, ɛyɛ nea ahobammɔ wom a wɔpaw sɛ wobeyi lamina ne pedicle screws no fã bi afi hɔ wɔ anisoadehu tẽẽ ase.

Thoracic akyi berɛmo a wɔde hyɛ mu .

Sagittal plane : pedicle a ɛkɔ fam no so tew fi T1 kosi T12. T1: 25°; T2: 20°; T3: 15°; T4-9: 10°; T10: 5°; T11-12: 0°.

Ɛsɛ sɛ pedicle screws a ɛwɔ thoracic vertebrae a ɛwɔ soro no nya inclination angle a ɛyɛ 10-20° ne sagittal plane no, na pedicle screws a ɛwɔ mfinimfini ne fam vertebrae no nya inclination angle a ɛyɛ 0-10° ne sagittal plane no. Ebraheim hyɛɛ nyansa sɛ ɛsɛ sɛ T1 ne T2 pedicle screws yɛ 30-40° inclination ne sagittal plane no, ɛsɛ sɛ T3-T11 yɛ 20-25°, na ɛsɛ sɛ T12 yɛ 10°.

Horizontal plane : ɛsɛ sɛ ɛne endplates a ɛwɔ soro ne ase no yɛ pɛ.

Thoracic akyi berɛmo a wɔpaw no screw .

• T1～T5 hia screw diameter 3.5～4.0mm .

• T6'T10 hia 4.0—5.0mm .

• T11, T12 hia 5.5mm .

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Wɔ mpanyimfo fam no, thoracic pedicle screw no kɛse nnu 5mm, na asiane wɔ hɔ sɛ screw breakage. Wɔ nsɛm pii a ɛfa akyi berɛmo no mfinimfini ho no, wontumi mfa nkɔnsɔnkɔnsɔn a ne kɛse boro mm 5 no nsi hɔ, na ebetumi ama pedicle no abubu ntɛmntɛm.

Nhomanimfo binom de pedicle no afã a ɛwɔ akyi no di dwuma, na edi ɔhaw yi ho dwuma yiye. Klik transverse process no ano na fa pin no hyɛ mu, na transverse process no mfinimfini yɛ horizontal. Dane tokuru ketewa bi di kan, na awl no kwan no ne akyi berɛmo no afã a ɛwɔ akyi no fã no twa. Angle a ɛwɔ sagittal plane no yɛ 25-40 degrees, na degree no kɔ soro nkakrankakra fi T12 kɔ soro.

Screw a wɔde ahyɛ mu no bɛfa transverse process no mu, costotransverse nhyehyɛe no fã, costovertebral joint, ne vertebral nipadua no akyi ɔfasu no. Esiane sɛ ɔkwan a wɔfa so de skru hyɛ mu no wɔ facet joint no akyi nti, ɛrentumi nyɛ yiye sɛ wobɛkɔ akyi berɛmo no mu, na ɛyɛ nea ahobammɔ wom. Nea ɛka ho no, inclination angle no a ɛkɔ soro no ma skru no yɛ tenten. , thicker, fixation ahoɔden no kɔ soro, implantation angle range no yɛ kɛse, screws no betumi ayɛ nea ɛwɔ line bi mu, na nhyiam no yɛ mmerɛw kɛse.

Lumbar akyi berɛmo .

Lumbar a ɛkɔ mu .

1. Ɔkwan a wɔfa so de ade hyɛ mu wɔ Herringbone Ridge no atifi (beae a wɔde nneɛma a wɔde boa no hyia wɔ abon a ɛwɔ ntini a ɛwɔ ntini a ɛkorɔn no ntini ne isthmus ridge no akyi no mu), nsakrae a ɛwɔ saa gyinabea yi mu no sua (nea ɛba no yɛ 98%), na nea wɔde gyina hɔ ma nneɛma a wɔde di dwuma no ka wɔn ho.

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3. Wɔ tebea horow a emu yɛ den mu no, ɛyɛ nea ahobammɔ wom a wɔpaw sɛ wobeyi lamina ne pedicle screws no fã bi afi hɔ wɔ anisoadehu tẽẽ ase.

Lumbar screw angle .

• Sagittal plane angle : L1-L3 wɔ 5-10 degrees a ɛdannan, L4-L5 wɔ 10-15 degrees a ɛdannan.

• Horizontal plane angle : L1-4: ɛne awiei no hyia; L5: 10 degrees a ɛkɔ fam (L5 vertebral nipadua akyi).

  
  

Lumbar akyi berɛmo a wɔpaw no screw .

• l1～l5 hia screw diameter 6.5mm, 40-45mml skru .

  
  

Oprehyɛn ho ahwɛyiye .

1. Ansa na wɔbɛyɛ no oprehyɛn no, ɛsɛ sɛ anim ne akyi akyi berɛmo no anim ne n’akyi a ɛda adi pefee ba. Anterior view no kyerɛ gyinabea a skru no wɔ wɔ kwan a ɛda fam no so, na akyi hwɛbea no betumi akyerɛ gyinabea a skru no wɔ wɔ gyinabea a ɛda fam no.

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3. Sɛ wohu akwankyerɛ a ɛwɔ hɔ nyinaa wie a, fa ahoɔden a ɛfata bue ɔmansin no yiye. Ɛnsɛ sɛ blunt-tip probe no hyia resistance a ɛda adi pefee bere a wɔde ade rehyɛ mu no. Ɛnsɛ sɛ ntease biara ba 'failure' anaasɛ mpofirim a wɔsɔre tia. Sɛ wohyia resistance wɔ 5~15mm a edi kan no mu a, ɛsɛ sɛ ɛyɛ ne bere mu. Siesie ade a ɛkɔ mu ne anim a ɛkɔ mu no. Sɛ wuhyia ɔsɔretia a emu yɛ den a, wɔkamfo kyerɛ sɛ di kan fi adi na san paw akwankyerɛ a wode bɛkɔ no. Hwɛ hu sɛ wubedi pedicle no akwankyerɛ akyi. Pedicle no mu yɛ cancellous dompe na akyi yɛ cortical bone, a wobetumi akyerɛ no kwan ankasa, sɛ ɛyɛ nea ɛkɔ mu pɛpɛɛpɛ na ɛyɛ kɛse yiye a; Fa 10-15° kɔ mfinimfini, hwɛ wimhyɛn a ɛne akyi berɛmo no atifi ano no hyia, na fa bɛyɛ 3cm no mu dɔ. Nkate ho hia.

4. Ɛho hia paa sɛ wɔde pedicle probe no di dwuma de hwehwɛ afasuo anan no mu, titiriw no afasuo a ɛwɔ mu, ase ne aseɛ.

5. Sɛ nipadua mu nsonsonoe a ɛda ahurututu no ase ne akyi berɛmo ntam no mu nna hɔ a, keka nneɛma a wɔde boa ne nea ɛwɔ ase no, na afei ɛka ntini a ɛwɔ soro no fã bi, na hwɛ pedicle no mu ɔfasu no tẽẽ ne pedicle no abrannaa so.

6. Ɛyɛ papa sɛ wobɛkɔ abɔnten sen sɛ wobɛkɔ mu, akɔ soro na woankɔ fam; Rotation ne ade titiriw, na anim ne supplement; Bere a worekɔ w’anim na woreyɛ nhwehwɛmu no, gyae bere a wuhu sɛ ɛyɛ den no, yɛ nsakrae wɔ bere mu, fa nsateaa ahoɔden nkutoo di dwuma, mfa ahoɔden twitwa.

7. Ɛnsɛ sɛ screw no ntwemu boro 83% wɔ pedicle no akyi cortex no mu.

Sɛnea wobɛtɔ nnompe mu nneɛma a wɔde hyɛ nipadua mu ne nnompe mu nnwinnade a wɔde yɛ aduan, .

Ma Czmeditech , Yɛwɔ aduru a wɔde yɛ nnompe mu oprehyɛn a edi mũ yiye ne nnwinnade a ɛne no hyia, nneɛma a ɛka ho ne . akyi berɛmo a wɔde hyɛ nipadua mu ., nnadewa a wɔde hyɛ nipadua no mu ., Trauma mprɛte ., Mprɛte a wɔde to mu ., atiridiinini-maxillofacial ., Nneɛma a wɔde yɛ nipadua no ., Nnwinnade a ɛma ahoɔden ., abɔnten so fixators ., Arthroscopy ., Mmoa ho ayaresa ne wɔn adwinnade a ɛboa.

Bio nso, yɛasi yɛn bo sɛ yɛbɛkɔ so ayɛ nneɛma foforo na yɛatrɛw nneɛma a wɔyɛ mu, sɛnea ɛbɛyɛ a yebedi nnuruyɛfo ne ayarefo pii oprehyɛn ahiade ho dwuma, na yɛasan nso ama yɛn adwumakuw no asi akan kɛse wɔ wiase nyinaa nnompe mu nneɛma a wɔde hyɛ nipadua mu nyinaa mu.

Yɛde kɔ amannɔne wɔ wiase nyinaa, enti wubetumi . Wo ne yɛn nkasa wɔ email address song@orthopedic-china.com ma quote a wontua hwee, anaa fa nkrasɛm bi mena wɔ WhatsApp so ma mmuae ntɛm +86- 18112515727 .

Sɛ wopɛ sɛ wuhu nsɛm pii a, klik . Czmeditech na woahwehwɛ ho nsɛm pii.