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PLACAS AO

Authored by ALEXANDRA LEON BLANCO

Science

University

Used 3+ times

PLACAS AO
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10 questions

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1.

OPEN ENDED QUESTION

1 min • 1 pt

Las placas se pueden aplicar de varias formas según la función requerida. Éstas incluyen: ( mencione al menos 3 funciones)

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Answer explanation

Plating modalities

Plates may be applied in various modes according to the function required. These include:

  • Protection (neutralization)

  • Compression

  • Bridging

  • Buttress (antiglide)

2.

OPEN ENDED QUESTION

2 mins • 1 pt

Media Image

En la imágen usted esta viendo una placa de protección (neutralización), Explique a continuación la función de este tipo de placas.

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Answer explanation

Function

A protection plate neutralizes bending and rotational forces to protect a lag screw fixation.

This is equally true of plates with locking or non-locking screws.

3.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Observe la imágen. La placa esta cumpliendo la función de compresión. En la imágen de arriba observa una placa precontorneada y en la de abajo no. Qué efecto espera usted encontrar al aplicar el 2 tornillo en la placa de arriba y en la placa de abajo?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

En la imágen usted observa una placa buttress. Describa a continuación la función de este tipo de placas.

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Answer explanation

Function

Buttress plates are used in managing partial articular fractures. They are used to supplement lag screw fixation of metaphyseal shear or split fractures in the metaphyseal regions. Lag screws may be inserted either through or outside the buttress plate.

5.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Según la imágen qué tipo función esta cumpliendo este tipo de placa?

Qué ventajas tiene la fijación con este tipo de técnica?

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Answer explanation

In comminuted diaphyseal fractures, a plate is often applied,

spanning the multifragmentary zone, and attached only to the

main fragments. It is used to restore length, axial alignment,

and rotational alignment.

This preserves the biology of the multifragmentary zone, which

heals by external and interfragmentary callus.

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

En la imágen usted observa un agujero de una placa LCP, que características tienen estos agujeros?

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Answer explanation

The combination hole of the LCP

accepts conventional screws for

conventional plating techniques, but

also accepts locking head screws to

create angularly stable fixations.

Conventional screws can be tilted in the non-threaded portions

of the combination holes.

Locking head screws must not be angled in the threaded

portions of the holes.

7.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Describa que principio nos esta mostrando la imágen y en qué consiste?

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Answer explanation

DCP principle

If a screw is inserted

eccentrically…

… so that its head, on final

tightening, slides down the

sloping profile of the hole, the

screw/bone unit will be shifted

toward the fracture and the

fracture plane will thereby be

compressed.

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