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Fitting Imprint Therapeutic Shoes

Possible Problems and their Solutions

Problem

Possible Cause

Solution

 ·        Patient not comfortable

        on foot after fitting

        shoe.

 ·        Sole pressure: inadequate seating/

        elevation of the shoe in

        the front half of the foot.

 ·         Pain in another part of

         the foot,  e.g.

         secondary infection.

 ·        Frog plate positioned

        too far forward. 

 ·        Shoe not adequately

        softened to mate with

        required bearing

        surfaces – uneven

        loading.

 ·        Relieve sole pressure by ensuring space between the sole and the shoe around the toe.

 ·     If the shoe is firmly in place but too close on the sole, the use of a small 2mm straight burr can be used to carefully rout out seating clearance by removing some plastic from the shoe in the area.

 ·        Locate painful part, relieve pressure.  If it is an abscess, drain and relieve load in that area, keep open for medication – veterinary involvement.

 ·        Test by applying pressure, if response is positive relieve the pressure by shortening the frog plate by cutting a piece away.

 ·        Ensure foot mating surface and

        flange are sufficiently softened to

        take up the contours of the foot.

        If large discrepancies need

        redressing use Imprint Hoof Repair

        granules.

 ·        Shoe movement or loss immediately after fitting

        or foot sinks into shoe

        when first bearing weight.

 ·        Either: the shoe was still soft and sags away from the foot on bearing weight.

 ·        Thermoplastic not adequately keyed to indentations in hoof.

 ·        Shoe cooled too much when fitting and is not mated perfectly leaving movement.

 ·        Indentation keying – shape, size or number inadequate.

 ·        Too much structural adhesive, acts as a grease release agent.

 ·        Flange not blended

        smoothly to the wall of

        the foot – stepped off.

 ·        Make sure the shoe is completely cold before weight bearing.

 ·        Reheat shoe flange with hot air gun ensure indentations are fitted, freeze then test.

 ·        Reheat shoe flange with hot airgun adjust, freeze, test.

 ·        Make adequate key indentations.

 ·        Use less adhesive.

 ·     Repeat fitting procedure; ensure flange is

        smooth and strong

       hardening.

 ·     Not mixed correctly one

        cylinder of adhesive

        cartridge blocked.

        are flowing freely before attaching the mixer

        nozzle.

 ·    Structural adhesive is

       slow curing.

        temperature.

 ·     20°C is ideal curing temperature.

        In cold weather ensure Adhesive is brought 

        up to working temperature before use.

 ·     Use gentle heat if needed. (do not overheat

        if already applied to shoe as this will

        soften flange)

 ·     Warning - Adhesive may not react at all if

        used below working temperature. 

 ·      Shoe loss after work /

       exercise or turned out.

 ·       Flange over thinned at base, around indentation points and/or at the heels.  Loss of structural strength.

 ·        Excessive length/width of shoe around the heels.

 ·        Structural Adhesive absent or insufficient between flange and hoof wall and through to heels.

 ·        Shoeing environment too wet/dirty.

 ·     Gap between frog plate

        and frog.

 ·        When fitting the shoe maintain a low strong flange.

 ·      Either: cut off excess length of shoe and mould to the heels of the foot, or

 ·      If the length is required mould the plastic up to the foot leaving no purchase points to be pulled by overreaching. (Shoe for the requirements of the job).

 ·        i.e. turned out galloping about in mud – blend up to the heels.

 ·        Chronic laminitic on box rest – one can be bolder with the fit.

 ·        Ensure Imprint Structural Adhesive is applied around inside wall of flange and in the back third, on the foot bearing surface of the shoe, also through to the heel.

 ·        Fit shoes in clean, dry environment.

 ·        When fitting ensure even contact with frog and wall bearing surface, or

 ·     After fitting gap is discovered – fill with

        Imprint Hoof Repair granules.

 ·     Flange is thin or weak

        after completing job.

 ·        Over stretching the flange up the wall, or

 ·     Possibly need extra

        material.

 ·     Reheat area, add extra Imprint Hoof Repair

        granules.

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