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Gap Balancing Flashcards

1
Q

Use a smaller femoral component

A

Tight in Flexion

You are increasing flexion space

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2
Q

Use a distal femoral augment to move the femoral component distally and use a thinner polyethylene articular surface.

A

It is a case of tight in flexion and ok in extension .

By using distal augment you have reduced the flexion space and made it equal to flexion space (tight in flexion space )

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3
Q

Use a Smaller Femoral Component

A

Tight in Flexion

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4
Q

Use an offset stem to move the femoral component anteriorly

A

Tight in Flexion

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5
Q

Use a distal femoral augment to move the femoral component distally and use a thinner polyethylene articular surface

A

Tight in Flexion

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6
Q

Resect additional distal femoral bone

A

Tight in extension

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7
Q

Use a distal femoral Augment

A

Loose in Extension

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8
Q

Use an offset stem to move the femoral component anteriorly

A

Tight in Flexion

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9
Q

Use a distal femoral augment to move the femoral component distally

A

Loose in extension or to reduce extension space so that it is equal to flexion space and a thinner poly can be used

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10
Q

Use an offset stem to move the femoral component posteriorly .

A

Loose in Flexion

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11
Q

Use Posterior augments

A

Loose in Flexion

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12
Q

Use a larger femoral component

A

Loose in Flexion

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13
Q

Resect additional distal femoral bone

A

Tight in Extension

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14
Q

Use a larger femoral component

A

Loose in Flexion

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15
Q

Use posterior femoral Augments

A

To componsate the large femoral component which would must have been used for large flexion space

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16
Q

Use an offset stem to move the femoral component anteriorly

A

Tight in flexion

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17
Q

What will a smaller femoral component do ?

A

Increase the flexion space

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18
Q

When you use an offset stem to move the femoral component anteriorly what does it do ?

A

Increase flexion space

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19
Q

Use an offset stem to move the femoral component anteriorly.

A

Increasing flexion space

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20
Q

Loose in Extension and Tight in Flexion

A
  1. Use an offset stem to move the femoral component anteriorly and use a thicker polyethylene articular surface.
  2. Use a thicker polyethylene articular surface and use a smaller femoral component.
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21
Q

Loose in Extension & Tight in Flexion

A
  1. Use an offset stem to move the femoral component anteriorly and use a thicker polyethylene articular surface.
  2. Use a thicker polyethylene articular surface and use a smaller femoral component.
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22
Q

Tight in Extension & OK in Flexion

A

Resect additional distal femoral bone and move the femoral component proximally.

23
Q

Losse in Flexion and Tight in Extension

A
  1. Resect additional distal femoral bone and use an offset stem to move the femoral component posteriorly.Use posterior femoral augments.
  2. Resect additional distal femoral bone and use a thicker polyethylene articular surface.
  3. Resect additional distal femoral bone and use a larger femoral component. Use posterior femoral augments.
24
Q

Loose in Flexion and Tight in Extension

A
  1. Resect additional distal femoral bone and use an offset stem to move the femoral component posteriorly.Use posterior femoral augments.
  2. Resect additional distal femoral bone and use a thicker polyethylene articular surface.
  3. Resect additional distal femoral bone and use a larger femoral component. Use posterior femoral augments.
25
Tight in Flexion and OK Extension
1. Use an offset stem to move the femoral component anteriorly. 2. Use a smaller femoral component 3. Use a distal femoral augment to move the femoral component distally and use a thinner polyethylene articular surface.
26
Tight in Flexion and OK Extension
1. Use an offset stem to move the femoral component anteriorly. 2. Use a smaller femoral component 3. Use a distal femoral augment to move the femoral component distally and use a thinner polyethylene articular surface.
27
Tight in Flexion and OK in Extension
1. Use an offset stem to move the femoral component anteriorly. 2. Use a smaller femoral component 3. Use a distal femoral augment to move the femoral component distally and use a thinner polyethylene articular surface.
28
OK in Extension and Loose in Flexion
1. Use an offset stem to move the femoral component posteriorly. Use posterior femoral augments. 2. Resect additional distal femoral bone and use a thicker polyethylene articular surface. 3. Use a larger femoral component.Use posterior femoral augments.
29
Loose in Flexion and Ok in Extension
1. Use an offset stem to move the femoral component posteriorly.Use posterior femoral augments. 2. Resect additional distal femoral bone and use a thicker polyethylene articular surface. 3. Use a larger femoral component Use posterior femoral augments.
30
Loose in Flexion and Ok in Extension
1. Use an offset stem to move the femoral component posteriorly.Use posterior femoral augments. 2. Resect additional distal femoral bone and use a thicker polyethylene articular surface. 3. Usealargerfemoral component. Useposterior femoral augments.
31
Loose in Extension and TIght in Flexion
1. Resect additional distal femoral bone and use an offset stem to move the femoral component posteriorly.Use posterior femoral augments. 2. Resect additional distal femoral bone and use a thicker polyethylene articular surface. 3. Resect additional distal femoral bone and use a larger femoral component. Use posterior femoral augments.
32
Ok in Flexion and Loose in Extension
Use a distal femoral augment.
33
Tight in Flexion and Tight in Extension
Use a thinner Poly or Rescet More Tibia
34
Loose in Extension and Loose in Flexion
* Use a thicker polyethylene articular surface.
35
Resect additional distal femoral bone and use an offset stem to move the femoral component posteriorly.Use posterior femoral augments.
Loose in flexion and Tight in Extension
36
Resect additional distal femoral bone and use a thicker polyethylene articular surface.
Loose in flexion and Tight in Extension
37
Use an offset stem to move the femoral component anteriorly and use a thicker polyethylene articular surface.
Tight in Flexion and Loose in Extension
38
Resect additional distal femoral bone and use a larger femoral component. Use posterior femoral augments.
Loose in flexion and Tight in Extension
39
Use a thicker polyethylene articular surface and use a smaller femoral component.
Tight in Flexion and Loose in Extension
40
Resect additional distal femoral bone and move the femoral component proximally.
Tight in Extension and OK in Flexion
41
Use a distal femoral augment.
Ok in Flexion and Loose in Extension
42
Use an offset stem to move the femoral component anteriorly.
Tight in Flexion and Ok in Extension
43
Use a smaller femoral component
Tight in Flexion and Ok in Extension
44
Use a distal femoral augment to move the femoral component distally and use a thinner polyethylene articular surface.
Tight in Flexion and Ok in Extension
45
* Use an offset stem to move the femoral component posteriorly. * Use posterior femoral augments.
Loose in Flexion and Ok in Extension
46
Resect additional distal femoral bone and use a thicker polyethylene articular surface.
Loose in Flexion and OK in Extension
47
* Use a large femoral component. * Use posterior femoral augments.
Loose in Flexion and OK in Extension
48
Use a thinner Poly or Rescet More Tibia
Tight in Extension and Tight in flexion
49
Use a thicker polyethylene articular surface
Loose in Extension and Losse in Flexion
50
Larger and Smaller Femoral Component dictates
the Flexion Space ## Footnote If the flexion space is tight use a smaller component and if the flexion space is loose use a bigger femoral component
51
Posterior Femoral Augments affects
the flexion space
52
Distal femoral arguments affects
the extension space
53
When flexion space is loose
Use Offset stem to move femur posteriorly and use femoral posterior augments
54

Knee (11 decks)

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