Gamma3 Trochanteric Nail 180 - Stryker
Gamma3 Trochanteric Nail 180 - Stryker Gamma3 Trochanteric Nail 180 - Stryker
Operative Technique Alternative 3: Cannulated Cutter Opening the cortex The Cannulated Cutter is a front cutting device used to prepare the proximal part of the femur for the Gamma3 Nail 180. It provides surgeons with an advanced option to open the proximal femur cavity without reaming. Especially in older patients, it may reduce the requirement for reaming of the femoral cavity. It is guided over a solid 4mm Guide Pin. The fixation of this Guide Pin in the bone allows for an optimal placement for the Cannulated Cutter. This device allows for easy collection of bone graft material which might be helpful in difficult healing conditions. Caution: When the Cannulated Cutter is used, do not open the cortex with the Awl, because the Awl usually creates larger holes than 4mm. The 4mm Guide Pin needs bony stability to provide optimal cutting performance of the Cannulated Cutter. Fig. 32 Fig. 33 18
Operative Technique Assembly of Targeting Device 1. Targeting Sleeve and Knob Assembly First assemble the Knob to the Targeting Sleeve (Fig. 34a) and adjust the point on the Knob to be in line with the arrow on the Target Sleeve. Push the knob hard against the sleeve. The Knob moves approximately 5mm to the sleeve and has to be turned clock - wise by approximately 30 degrees. Now release the Knob and it will slip back the same distance. Now the Knob is assembled to the Targeting Sleeve and has to be connected to the Target Arm (Fig. 34c). Targeting Arm 2. Target Arm and Targeting Sleeve Assembly Targeting Sleeve 180 green coded Push the Sleeve assembly over the Target Arm along the line until it stops (arrow line to arrow line). Rotate the Targeting Sleeve around to the required nail angle position for the Lag Screw, e. g. 125° (point to point) or distal locking positions, either “Dynamic” or “Static”. Now the Targeting Sleeve must be fixed in this position by pushing it strongly against the Target -ing Arm. You will feel and hear, as the sleeve snaps into position. The Knob has only one function, this is to lock either the Lag Screw Guide Sleeve or the Tissue Protection Sleeve. Note: The Knob has to be assembled first to the Targeting Sleeve (Fig. 34a), otherwise the locking function of the sleeve may not work properly. Knob Fig. 34a Fig. 34b Fig. 34c 19
- Page 1 and 2: Gamma3 Trochanteric Nail 180 Operat
- Page 3 and 4: Contents Introduction Design Featur
- Page 5 and 6: Features Design Features of the Gam
- Page 7 and 8: Implant Features Distal Locking Scr
- Page 9 and 10: Implant Features Fig. 7 Indications
- Page 11 and 12: Operative Technique Patient Positio
- Page 13 and 14: Operative Technique The C-Arm is tu
- Page 15 and 16: Operative Technique Alternative 1:
- Page 17: Operative Technique The Trocar is t
- Page 21 and 22: Operative Technique Before checking
- Page 23 and 24: Operative Technique The Lag Screw s
- Page 25 and 26: Operative Technique Pre-Drilling th
- Page 27 and 28: Operative Technique Lock K-Wire win
- Page 29 and 30: Operative Technique Lag Screw Fixat
- Page 31 and 32: Operative Technique To verify the c
- Page 33 and 34: Operative Technique Distal Screw Lo
- Page 35 and 36: Operative Technique End Cap Inserti
- Page 37 and 38: Operative Technique Extraction of t
- Page 39 and 40: Operative Technique Dealing with Sp
- Page 41 and 42: Ordering Information - Instruments
- Page 43 and 44: Implants Packaging All implants are
- Page 45 and 46: Ordering Information - Implants Tro
- Page 47 and 48: Notes 47
Operative Technique<br />
Alternative 3:<br />
Cannulated Cutter<br />
Opening the cortex<br />
The Cannulated Cutter is a front<br />
cutting device used to prepare the<br />
proximal part of the femur for the<br />
<strong>Gamma3</strong> <strong>Nail</strong> <strong>180</strong>.<br />
It provides surgeons with an advanced<br />
option to open the proximal femur<br />
cavity without reaming. Especially in<br />
older patients, it may reduce the requirement<br />
for reaming of the femoral<br />
cavity.<br />
It is guided over a solid 4mm Guide<br />
Pin. The fixation of this Guide Pin<br />
in the bone allows for an optimal<br />
placement for the Cannulated Cutter.<br />
This device allows for easy collection<br />
of bone graft material which might be<br />
helpful in difficult healing conditions.<br />
Caution:<br />
When the Cannulated Cutter is used,<br />
do not open the cortex with the Awl,<br />
because the Awl usually creates larger<br />
holes than 4mm. The 4mm Guide<br />
Pin needs bony stability to provide<br />
optimal cutting performance of the<br />
Cannulated Cutter.<br />
Fig. 32<br />
Fig. 33<br />
18
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