HIP INSTRUMENTS • surgical tools – measuring aids

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AccuAngle Indicator
Cannestra Hip Length Gauge
Hurst Alpha Angle Tool
Leg Length Caliper
AccuAngle Indicator
Cannestra Hip Length Gauge
Hurst Alpha Angle Tool
Leg Length Caliper
Llinas Leg Length & Lateral Offset Gauge
Llinas Vertical Offset Gauge
Lombardi Self-Holding
X-ray Magnification Marker
Powers Femoral Sounds
Ruler with 45° Angle Handle
Llinas Leg Length & Lateral Offset Gauge
Llinas Vertical Offset Gauge
Lombardi Self-Holding
X-ray Magnification Marker
Powers Femoral Sounds
Ruler with 45° Angle Handle
Ruler with Right Angle Handle
Sanders Femoral Neck Cutting Blocks
Sterilizable Level
Wixson Leg Length Gauge
Ruler with Right Angle Handle
Sanders Femoral Neck Cutting Blocks
Sterilizable Level
Wixson Leg Length Gauge
 


AccuAngle Indicator

Helps to accurately predetermine angles for acetabular cup positioning and insertion

Designed by S. David Stulberg, MD,
A. Llinas, MD and J. Navas, MD


AccuAngle Indicator

Now includes two magnets along the bottom for hands-free use

AccuAngle Indicator

Bottom Profile with Magnets

Designed to allow the surgeon to consistently and quickly achieve the desired component position during each step of acetabular preparation and component positioning: acetabular reaming, trial component positioning, and actual component insertion.

Calibrated from 0 to 45°, the indicator may be used on the reamer shaft, the trial cup shaft and the cup impactor shaft.

Steam sterilizable without vacuum.

AccuAngle Indicator

Product No: 1325
Dimensions: 4" x 2"
Patent Pending
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Cannestra Hip Length Gauge

Helps determine leg length and hip offset in total hip arthroplasty, including minimally invasive techniques

Designed by Vince Cannestra, MD


Cannestra Hip Length Gauge

Set consists of one Ruler, one Pin Inserter/Extractor Handle, one 100 mm Pin, one 130 mm Pin, and a sterilizable case.

Cannestra Hip Length Gauge

Product No: 1327-00 [Set]

Includes:
1327-01 [Pin – 100 mm]
1327-02 [T-Handle]
 Dimensions: 8" x 5" (20,3 cm x 12,7 cm)
1327-03 [Ruler]
1327-04 [Pin – 130 mm]
1025 [Sterilizable Case]
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Hurst Alpha Angle Tool

Used for the quick measurement of the alpha angle and lateral center-edge angle from both plain hip radiographs or digital images displayed on a computer monitor

Designed by Jason M Hurst, MD


Hurst Alpha Angle Tool

Hurst Alpha Angle Tool

 

To measure the alpha angle from lateral radiographs, the device is held up to the computer monitor or light box with the center screw of the tool placed in the center of the femoral head. The concentric circles are used as a "perfect circle" reference for the femoral head so that the center screw can be placed in the absolute center. The "0 degree line" is then placed down the center of the femoral neck. The outer disc with the dashed line is then rotated until it first intersects with the region of femoral head asphericity. The corresponding angle measurement is the representative alpha angle.

Hurst Alpha Angle Tool

To measure the lateral center-edge angle from AP radiographs, the center screw of the tool is placed in the center of the femoral head using the concentric circles to center the device. The "0 degree line" is then directed vertically on the pelvis. The outer disc with the dashed line is rotated until it intersects with the lateral edge of the acetabular rim. The corresponding angle measurement is the representative lateral center-edge angle.

Product No: 2018
Diameter: 4.5"

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Leg Length Caliper

Designed to help measure and evaluate pre- and post-THR leg length in conjunction with X-ray calibration and clinical judgement

Designed by Michael Koonin, MD



Leg Length Caliper


Utilizes a 5/32" (4mm) pin in the wound just proximal to the acetabulum and a 1/8" (3.2mm) pin in the greater trochanter. (The soft tissue is cleared away and a single drill hole is drilled in the trochanter to accomodate the distal pin, and the hole is marked with methyline blue so it can be easily found.) Alternatively, a 7.3mm cannulated screw that accepts a 3.2mm pin may be used in the greater trochanter. Using the sliding caliper, the difference in leg length measurement before hip dislocation and after the THR procedure helps show the change in leg length.



Product No: 1195
Set Includes Caliper, Sterilizable Level, and Sterilization Case

Individual/Replacement Product No’s:

1195-01 [Caliper Only]
Overall Length: 4.5-6.5"

1180 [Sterilizable Level Only]
Dimensions: 2” x .5” x .75” (5,1 cm x 1,3 cm x 1,9 cm)

1025 [Sterilization Case]

Sterilizable Level

Included in Leg Length Caliper Set

Sterilizable Level

Helps to ensure the leg is in the same plane when initially putting the leg length caliper on and when reattaching the caliper. Can be steam sterilized without vacuum for use in surgery.
Leg Length Caliper
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Llinas Leg Length & Lateral Offset Gauge

Designed to help equalize the pre- and post-operative leg length/lateral hip offset

Designed by Adolfo Llinás, MD



Lawton Broken Screw Extractor

Lawton Broken Screw Extractor

Used intra-operatively to establish measurements of both leg length and lateral hip offset. The measurements can then be used for verification, after femoral stem and head implantation but before final fixation, to help determine what adjustments (if any) are necessary.

The sterilizable level can be steam sterilized without vacuum for use in surgery.

Product No: 1133-00 [Set]
Dimensions: 7" x 4" (17,8 cm x 10,2 cm)

Included in Set:

1133-01 [Gauge Body, Pin, and Tube Unit]
Slider Bar Length: 5" (12,7 cm)
Cannulated Tube Length: 3.95" (10 cm)


1180 [Sterilizable Level]
Dimensions: 2” x .5” x .75” (5,1 cm x 1,3 cm x 1,9 cm)

1025 [Sterilizable Case]
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Llinas Vertical Offset Gauge

Designed to help equalize the pre- and post-operative vertical hip offset

Designed by Adolfo Llinás, MD



Llinas Vertical Offset Gauge

Llinas Vertical Offset Gauge

Used intra-operatively to help determine the vertical distance of offset (if any) between the rotational center of the femoral head and the top of the greater trochanter. The measurement can then be used for verification, after femoral stem and head implantation but before final fixation, to help determine what adjustments (if any) are necessary to equalize the pre- and post-operative rotational center-trochanteric offset.

Product No: 1133-02
Overall Length: 17.25" (43,8 cm)
Sliding Bevel Arm Lengths: 2.4" (6 cm) / 3.15" (8 cm)
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Lombardi Self-holding X-ray Magnification Marker

Helps to remove the variable of X-Ray magnification factor
from the process of Orthopedic templating

Designed by Adolph V. Lombardi, Jr., MD


Lombardi Self-holding X-ray Magnification Marker

The flexible, adjustable arm can help reduce patient (and technologist) embarrassment or discomfort when it is required to be positioned in a sensitive area such as the inner thigh.

Fully positionable, this orthopedic X-Ray calibration and marking device features a 1" (25.4mm) stainless steel ball which, when properly positioned at bone level on a precise anatomical plane, will be this exact size when viewed from all angles, allowing it be used as a calibration marker in surgical planning software applications, helping to gauge the size of other components on that plane. This helps establish precise anatomical measurement.

Product No: 2672
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Powers Femoral Sounds

Allows the surgeon to gently identify the canal of a long bone as well as its width (isthmus) prior to inserting a device

Designed by Mark Powers, MD


Powers Femoral Sounds

Powers Femoral Sounds

Particularly useful for the anterior approach to the hip. Helps identify intraoperative occult fractures. Properly identifying the medullary canal before broaching helps minimize possible intraoperative fractures.

Product No's:

4189-00 [Set of 5]
Also available individually:
4189-06 [6 mm]
Overall Length: 14.25" (36,2 cm)
Handle Length: 3.5" (8,9 cm)


4189-08 [8 mm]
Overall Length: 14.25" (36,2 cm)
Handle Length: 3.5" (8,9 cm)


4189-10 [10 mm]
Overall Length: 14.25" (36,2 cm)
Handle Length: 3.5" (8,9 cm)


4189-12 [12 mm]
Overall Length: 14.25" (36,2 cm)
Handle Length: 3.5" (8,9 cm)


4189-14 [14 mm]
Overall Length: 14.25" (36,2 cm)
Handle Length: 3.5" (8,9 cm)
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Ruler with 45° Angle Handle

Designed by Richard Sanders, MD


Ruler with 45° Angle Handle

Ideal for measuring the distance from the lesser trochanter to the center of the trial femoral head during femoral sizing.

Product No: 1430
Overall Length: 5"
Ruler Dimensions: 2.5" x .5"
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Ruler with Right Angle Handle

Designed to be used to measure the femoral head/neck length



Ruler with Right Angle Handle

Designed to be used to measure the femoral head/neck length. Very helpful in minimally invasive surgery.

Product No: 1450
Overall Length: 4.25"
Ruler Dimensions: 2.5" x .5"
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Sanders Femoral Neck Cutting Blocks

Designed to help with the accurate placement of the femoral neck osteotomy in total hip surgery

Designed by Richard A. Sanders, MD


Sanders Femoral Neck Cutting Blocks

Sanders Femoral Neck Cutting Blocks

Used to measure the distance from the proximal end of the lesser trochanter to the level of the femoral neck osteotomy. The desired level of the femoral neck osteotomy is determined by preoperative planning. The exact level of the femoral osteotomy helps with leg length, either maintaining equal leg length or correcting leg length discrepancies.

Product No’s:
4555 • 5 x 10 mm
4560 • 10 x 10 mm
4565 • 10 x 15 mm
4570 • 10 x 20 mm
4575 • 10 x 25 mm
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Sterilizable Level

Steam sterilizable without vacuum for use in surgery



Sterilizable Level

Helpful in hip surgery to ensure the leg is in the same position when checking leg length.

Product No: 1180
Dimensions: 2” x .5” x .75” (5,1 cm x 1,3 cm x 1,9 cm)
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Wixson Leg Length Gauge

Used for interoperative leg length measurement during minimally invasive total hip arthroplasty

Designed by R.L. Wixson, MD



Wixson Leg Length Gauge

Fits in 5/64 drill hole in trochanter underneath fascia and skin incision. Measures to a skin mark over the iliac crest with the leg supported in a standardized position (e.g. resting on a Mayo stand).

Wixson Leg Length Gauge

Wixson Leg Length Gauge
Click for larger image
Product No:
1210-02 [2" depth]
1210-03 [2.75" depth]
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