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TOC.

TOC

Zimmer

Patient Specific Instruments (CT) – Surgical Techniques

for NexGen

Complete Knee Solution

Table of Contents

SECTION

PAGE

NexGen

Conventional Instruments -

Femoral Technique

NexGen

Conventional Instruments -

Femoral Technique

SECTION

PAGE

NexGen

Conventional Instruments -

Tibial Technique

NexGen

Conventional Instruments -

Tibial Technique

SECTION

PAGE

NexGen

Posterior Referencing

Instruments - Femoral Technique

NexGen

Posterior Referencing

Instruments - Femoral Technique

SECTION

PAGE

NexGen

Posterior Referencing

Instruments - Tibial Technique

NexGen

Posterior Referencing

Instruments - Tibial Technique

Summary of Contents for NexGen

Page 1: ...Zimmer Patient Specific Instruments CT Surgical Techniques for NexGen Complete Knee Solution ...

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Page 3: ...mmer PSI is not designed for use with the Zimmer MIS Quad Sparing Total KneeProcedure Zimmer PSI should be used in conjunction with a femur first technique Verify stability and fixation of all pins When securing the conventional tibia cutting guides avoid the use of spring pins as these may cause stress unwanted shift on the tibia cutting guide ...

Page 4: ...ents Femoral Technique 1 SECTION PAGE 1B NexGen Conventional Instruments Tibial Technique 4 NexGen Conventional Instruments Tibial Technique 4 SECTION PAGE 2A NexGen Posterior Referencing Instruments Femoral Technique 8 NexGen Posterior Referencing Instruments Femoral Technique 8 SECTION PAGE 2B NexGen Posterior Referencing Instruments Tibial Technique 10 NexGen Posterior Referencing Instruments T...

Page 5: ... used to assess alignment The most distal end of the guide is parallel to the epicondylar axis and can also be used as reference Apply anterior proximal pressure to the Pin Guide and verify a secure fit Applying posterior pressure may destabilize the Pin Guide Drill and Pin the Anterior Pin Holes Drill and pin the medial and lateral anterior pin holes of the Pin Guide using the Universal Disposabl...

Page 6: ...fy the distal resection on the medial and lateral side with a resection guide 00 5977 084 00 Check alignment if desired and make the cut Fig 4 Remove Distal Cut Guide and Place Distal Pins Locate the drilled pin holes Remove the anterior pins Place the distal pins in drilled holes of the distal femur Fig 5 TECHNIQUE TIP 1A A When performing the cuts excessive force considering the pressure being a...

Page 7: ...resections using a resection guide and make the cuts Fig 7 Follow 4 in 1 Femoral Surgical Technique Following the 4 in 1 cuts proceed with the surgery as suggested in the Zimmer MIS Multi Reference 4 in 1 Femoral Instrumentation Surgical Technique NexGen Conventional Instruments Femoral Technique 1A Instruments NexGen MIS 4 in 1 Femoral Finishing Guide 00 5983 031 38 00 NexGen MIS 4 in 1 Flex Femo...

Page 8: ...ill be above the tibia surface All other contact with the Pin Guide should ensure a proper fit The mechanical axis and proximal resection lines may be used to asses the alignment Additionally the alignment arch 00 5977 024 00 and rod 00 5785 080 00 may be used to verify alignment Additionally the alignment adapter 00 5970 024 00 and rod 00 5785 080 00 may be used to verify alignment Drill and Pin ...

Page 9: ...uide do not place pins Fig 11 Remove Tibial Pin Guide Remove the Pin Guide by sliding anteriorly off the pins Fig 12 Do not pry the Pin Guide from the tibia as this could shift the pins Fig 11 Fig 12 1B Instruments PSI Tibia Pin Guide 00 5970 015 018 00 Universal Pin and Drill Kit 2001 00 000 TECHNIQUE TIP 1B A When drilling the proximal holes excessive side loads through the proximal guide cylind...

Page 10: ...t rod is parallel with respect to the tibial shaft Fig 15 The second option uses the alignment adapter which accounts for the medial offset and provides a more traditional observance aligned to the tibia shaft for the visual alignment check Alignment Adapter 00 5970 024 00 Alignment Arch 00 5977 024 00 Alignment Rod 00 5785 080 00 TECHNIQUE TIP 1B C When performing the cuts excessive force conside...

Page 11: ...ed in the Zimmer MIS Multi Reference 4 in 1 Femoral Instrumentation Surgical Technique NexGen Conventional Instruments Tibial Technique 1B Instruments NexGen Tibial Sizing Plate see above NexGen Locking Tibial Tray Provisional Handle 00 5977 096 00 NexGen PRI Offset Sizing Plate Handle 00 5953 096 00 Alignment Rod 00 5785 080 00 OR 3o Fluted Tibial Plate 00 5999 060 01_02 7o Fluted Tibial Plate 00...

Page 12: ...de can be used to assess alignment The most distal end of the guide is parallel to the epicondylar axis and can also be used as reference Apply anterior proximal pressure to the Pin Guide and verify a secure fit Applying posterior pressure may destabilize the Pin Guide Drill and Pin the Anterior Pin Holes Drill and pin the medial and lateral pin holes of the Pin Guide using the Universal Disposabl...

Page 13: ...Referencing Femoral Cut Guide Secure the NexGen Posterior Referencing 4 in 1 Flex Femoral cut guide verify resections with a resection guide and finish the femur following the instructions f rom the Zimmer NexGen CR Flex and LPS Flex Knees Surgical Technique with Posterior Referencing Instrumentation Fig 22 Remove Distal Cut Guide Locate the drilled pin holes Remove the anterior pins Fig 21 2A Ins...

Page 14: ... The rotation cylinders do not make contact with bone surface Both cylinders will be above the tibia surface All other contact with the Pin Guide should ensure a proper fit The mechanical axis and proximal resection reference lines on the Pin Guide can be used to assess alignment Drill and Pin Anterior Pin Holes Drill and pin the medial and lateral anterior holes of the Pin Guide Fig 24 Fig 23 Fig...

Page 15: ... Guide Remove the Pin Guide by sliding anteriorly off the pins Fig 27 Do not pry the Pin Guide from the tibia as this could shift the pins Fig 26 Fig 27 Instruments PSI Tibia Pin Guide 00 5970 015 018 00 Universal Pin and Drill Kit 2001 00 000 NexGen Posterior Referencing Instruments Tibial Technique 2B TECHNIQUE TIP 2B A When drilling the proximal holes excessive side loads through the proximal g...

Page 16: ...erior Referencing Tibia Cut Guides allows for a standard observance of the tibia alignment rod Fig 30 PRI Alignment Adapter 00 5901 086 00 Alignment Rod 00 5785 080 00 TECHNIQUE TIP 2B C When performing the cuts excessive force considering the pressure from leaning on the guide on the medial or lateral side of the cut guide could influence the amount of varus valgus in the cut Fig 29 TECHNIQUE TIP...

Page 17: ...d in the Zimmer NexGen CR Flex and LPS Flex Knees Surgical Technique with Posterior Referencing Instrumentation Fig 31 Instruments NexGen Tibial Sizing Plate see above NexGen Locking Tibial Tray Provisional Handle 00 5977 096 00 NexGen PRI Offset Sizing Plate Handle 00 5953 096 00 Alignment Rod 00 5785 080 00 OR NexGen Posterior Referencing Instruments Tibial Technique 2B 3o Fluted Tibial Plate 00...

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Page 20: ...Because this information does not purport to constitute any diagnostic or therapeutic statement with regard to any individual medical case each patient must be examined and advised individually and this document does not replace the need for such examination and or advice in whole or in part Please refer to the package inserts for important product information including but not limited to contrain...

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