IMHS™ CP Intramedullary Hip Screw is indicated for fractures of the proximal femur including peritrochanteric fractures, reverse obliquity fractures. IMHS features a cannulated intramedullary nail with a 4° mediolateral bend to allow for insertion through the greater trochanter. The nail is used with a standard . Save this PDF as: 4 Indications IMHS CP Intramedullary Hip Screw is indicated for fractures of the proximal femur including peritrochanteric fractures, reverse.

Imhs Cp Pdf

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IMHS CP SURGICAL TECHNIQUE PDF - The technique description herein is made available to the healthcare professional.. to surgeon preference and/or. IMHS CP Intramedullary Hip Screw is the first and. only intramedullary IMHS CP retains the clinically proven features of the PDF ( KB) - Smith & Nephew . IMHS CP Intramedullary Hip Screw - Smith & Nephew. Views . 4 years ago PDF ( KB) - Smith & Nephew. BIOSURE™ HA Interference.

No Mini Connector Cat. Table of contents Indications and contraindications 3 Implants 4 Instruments 4 Preoperative planning.

Instruments and More information. Technical Details More information. Tip If the Combination Reamer is difficult to pass through the nail, it is likely the teeth of the Reamer Sleeve are obstructed with bone.

IMHS CP Clinically Proven Intramedullary Hip Screw Surgical Technique

No Anti-Rotation Guide Cat. Another eurgical position is to flex the hip and knee of the unaffected extremity and place it in a leg holder. The information contained in this document is intended for healthcare professionals only.

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Expert Hindfoot Arthrodesis Nail. The Compression Dial on the Insertion Wrench must also be set for added length. Slide the Ruler over the surgicaal end of the Ball-Tip Guide Rod and advance the open end of the Ruler to where the proximal portion of the implant will be seated, just below the tip of the greater trochanter.

No This illustration depicts an older design where the side plates have now been removed, as well as the mating holes for the Anteversion Locking Guide. To help ensure the accuracy of the drill guide, it is helpful to tighten the Guide Bolt with the Tissue Protector and Lag Screw Reamer in place.

Adjust the appropriate reamer for the length shown on the Lag Screw Length Gauge.


Introduced in with its design, the IMHS system provided a more minimally invasive technique than the traditional Compression Hip Screw. The Zickel nail was introduced in the late s for fixation of unstable pertrochanteric and subtrochanteric fractures of the femur [ 20 ].

This nail combined intramedullary and intracephalic fixation, but it was soon criticised because it usually demanded extensive exposure and failed to provide rotational and axial stability.

The Gamma nail Howmedica was introduced in the late s to overcome the problems associated with the Zickel implant. This implant was designed to combine the advantages of locking intramedullary nailing and of lag screw fixation. Unfortunately, early and late complications have been reported with the use of the 1st generation Gamma nail implant design that reduced the initial enthusiasm [ 8 , 9 ]. The second generation Gamma nail and other newer improved implant designs have been introduced aiming for better results [ 10 , 11 , 16 ].

The trochanteric Gamma nail was first introduced in Additionally, an optional anti-rotation lag-screw is available, and two distal holes for static or dynamic locking can be used. To our knowledge, this is the first study comparing these two implant designs in the English literature. Patients and methods After approval by the ethics committee of the hospital, consecutive patients with intertrochanteric femoral fractures were randomised upon their admission to the hospital using a sealed envelope method.

Two patients had fallen from a height, and four patients had been involved in a motor vehicle accident; the rest of the injuries resulted from low energy falls.

IMHS CP Clinically Proven Intramedullary Hip Screw Surgical Technique

Patients with previous ipsilateral or contralateral hip fractures were also excluded from the study. The preoperative variables studied included patient age, mobility status, fracture classification and the American Society of Anesthesiologists rating of operative risk [ 13 ]. The operations were performed by two experienced surgeons, usually outside the regular working hours.

The type of anaesthesia was spinal in most patients. Operations were performed in a standardised fashion under image intensification on a traction table with the patients in the supine position. Every effort was made to achieve the optimum reduction.

A description of the operative technique and the implant characteristics is not within the scope of this paper.To measure the length of the implant needed, ensure that the distal tip of the Ball-Tip Guide Rod is located at the desired position of the distal tip of the nail. One hundred and twelve patients were randomised on admission into two treatment groups. HN Compression Dial Cat.

It was mainly due to its incorrect placement during surgery and the instability of the bone fracture. Begin reaming with the 9. The affected limb is adducted.

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