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Avenir Complete Hip System

Surgical Technique

Intraoperative Stem
Repositioning or Removal

Should an Avenir Complete stem require removal,
only the specific extraction instrument should be
used.

Assemble the extractor adapter with the extractor
and thread it to the final implant. Pull the stem out
in line with the femoral shaft, by using the slide
hammer (Figure 16).

Figure 16

Содержание Avenir Complete Hip System

Страница 1: ...Avenir Complete Hip System Surgical Technique ...

Страница 2: ......

Страница 3: ...ve Planning 4 Patient Positioning Surgical Exposure 5 Femoral Neck Resection 5 Femoral Canal Opening 6 Femoral Canal Preparation 7 Calcar Preparation 7 Trial Reduction 8 Femoral Implant Insertion 9 Head Impaction 10 Intraoperative Stem Repositioning or Removal 11 ...

Страница 4: ... system can be used with aiming at best deciding the correct implant size and center of rotation Figure 2 Pre operative Planning The objectives of pre operative planning are to define Pre operative leg length Acetabular component size and position Femoral component size Femoral offset and center of rotation The Avenir Complete Hip System provides X ray templates with 100 110 115 and 120 magnificat...

Страница 5: ...lete femoral component can be implanted using any of the standard approaches for total or hemi hip replacement Figure 3 Figure 4 Figure 3 Femoral Neck Resection Once the femoral head is dislocated cut the femoral neck according to the pre operative plan Figure 4 A v e n i r C o m p l e t e _ f i g 0 4 ...

Страница 6: ...ateral neck with the boxed osteotome Figure 5 Note Make sure to lateralize the femoral canal preparation For anterior approaches the curved canal finder is available Figure 6 For lateral and posterior approaches open the medullary cavity using the straight canal finder Position the awl in the axis of the femoral shaft in order to avoid varus positioning Figure 7 Figure 5a ...

Страница 7: ...asp disengage the handle from the rasp Figure 9 Note Zimmer Biomet offers different rasp handledesignsfordifferentsurgicalapproaches Figure 9 Figure 10 Figure 8 Calcar Preparation A calcar planer is available for use with the collared implant Once the final rasp is fully seated place the calcar planer over the rasp post and level the calcar until reaching the the rasp face Figure 10 Note Planing m...

Страница 8: ... provisional neck is in place select the correct provisional head size and position it onto the provisional neck Figure 12 Perform the trial reduction and if necessary repeat the procedure with different head offsets Offset Shift Offset Management Inset Note There is a 3 5 mm shift in neck lengths between core sizes 0 to 7 5 and macro sizes 8 to 9 Horizontal offset 6 mm shift between STD and HO or...

Страница 9: ...nd to the last rasp used Start inserting the femoral component into the femoral canal by hand and finish with the stem impactor Figure 13a and 13b Figure 13a Figure 13b Make sure to drive the final implant into the femur following the path of the prepared canal using the impactor until the stem is fully seated ...

Страница 10: ...ther trial reduction can be completed after implantation of the definitive femoral stem Figure 14 Before impacting the final femoral head carefully clean and dry the taper of the stem Fully seat the modular head by means of firm axial impaction utilizing the femoral head impactor and mallet Figure 15 ...

Страница 11: ...emoval Should an Avenir Complete stem require removal only the specific extraction instrument should be used Assemble the extractor adapter with the extractor and thread it to the final implant Pull the stem out in line with the femoral shaft by using the slide hammer Figure 16 Figure 16 ...

Страница 12: ...ived As with all surgical procedures the technique used in each case will depend on the surgeon s medical judgment as the best treatment for each patient Results will vary based on health weight activity and other variables Not all patients are candidates for this product and or procedure Caution Federal USA law restricts this device to sale by or on the order of a physician Rx only Check for coun...

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