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Dropped Sole Horseshoe
The drop sole foot will not grow good strong hoof wall, consequently the
sole of the foot rests on the ground only pressuring the circumflex
artery causing great pain.
The foot is normally trimmed only in the forward position
The cut-a-way view of the shod foot reveals the dropped sole is
suspended inside the shoe. With no sole touching the ground or shoe, and
there is instant relief.
Dropped Sole Shoe and
Photos Used With Permission By:
Bradley SaintJohn
The
Cochran Shoe, c.1916
 
Cochran claims that, not only are horses
with dropped soles that would otherwise have to be put off the streets
enabled to do a fair amount of work by means of this shoe, but that
continually wearing it, meanwhile keeping the convexity of the front of
the hoof rasped thin, in time brings about a marked improvement, and
that after some months or years of use the animals are able to work with
ordinary rubber-pad shoes, provided they are arranged to facilitate
breaking over. From having been successfully used on some race horses of
high value, the Cochran shoe has attained considerable notoriety and is
being used by a number of practitioners. A disadvantage, however, arises
from the fact that few horseshoers other than Doctor Cochran seem able
to make the shoe, the peculiar shape of which offers considerable
difficulty in forging. Concerning the application of the shoe Cochran
[32] says: "The most important primary procedure is the preparation of
the foot to receive the shoe. All excess of growth must be removed from
the anterior face of the hoof. The outer face must be reduced at the toe
(not shortened), but rasped down thin for the lighter the top of the
foot is, the more chance the sole and coffin bone will have of resuming
their former normal position. The pressure of the wall at the toe upon
the exudate between wall and coffin bone, tends to force the coffin bone
and sole out of their normal position. Leave the sole alone. You can
lower the excess of growth at the heels. "There are many designs of
shoes to relieve this condition. A great deal depends on the judgment of
the shoer to meet the conditions presented, depending on the degree of
the convexity and strength of the sole. In some cases we use a shoe that
admits of a large amount of sole room. Again, we shoe with a shoe of
wide cover. In other cases a shoe with even pressure over the whole
sole. In some cases a high, narrow shoe, resting only on the wall, or
the ordinary plain shoe with side calks welded close to the outside edge
and the shoe dished well from these as a foundation. Then we have the
air cushion pad designed after the model of the bowl shoe." In cases
when slight and persistent lameness interferes sufficiently to prevent
using an animal at any sort of work on hard roads, median neurectomy
will relieve all lameness in most instances. This is a safe operation,
moreover, in that no bad after effects are to be feared, even though
lameness were to continue.
The
Cochran Shoe, Exerted From:
LAMENESS of the HORSE
BY:
J.V. Lacroix, D.V.S.
Professor of Surgery, The Kansas City Veterinary College
Author
of "Animal Castration"
Illustrated
Chicago
AMERICAN JOURNAL OF VETERINARY MEDICINE
1916
LAMENESS of the HORSE - eBook Version available at
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