KWR System A - This seamless system was designed to keep K-wires inserted on the proximal part of the humerus (between the rotula and the knee joint) from migrating (beeing expelled from the body) due to normal child growth. This K-wires are long stainless steel elements inserted longitudinally inside the humerus as a deformity correcting aid. The requirements were that the system should not interfere either with the articular capsule or the joint itself, that is why the profile is of less than 2mm and all edges were chamfered. Also the screw tapper allowed for the fixating point to be concealed and have a greater holding area.
KWR System B - This seamless system was designed to keep K-wires inserted on the proximal part of the humerus (between the rotula and the knee joint) from migrating (beeing expelled from the body) due to normal child growth. This K-wires are long stainless steel elements inserted longitudinally inside the humerus as a deformity correcting aid. The requirements were that the system should not interfere either with the articular capsule or the joint itself, that is why the profile is of less than 2mm and all edges were chamfered. Also the screw tapper allowed for the fixating point to be concealed and have a greater holding area.
KWR System C - This seamless system was designed to keep K-wires inserted on the proximal part of the humerus (between the rotula and the knee joint) from migrating (beeing expelled from the body) due to normal child growth. This K-wires are long stainless steel elements inserted longitudinally inside the humerus as a deformity correcting aid. The requirements were that the system should not interfere either with the articular capsule or the joint itself, that is why the profile is of less than 2mm and all edges were chamfered. Also the screw tapper allowed for the fixating point to be concealed and have a greater holding area.
KWR System C Final - This seamless system was designed to keep K-wires inserted on the proximal part of the humerus (between the rotula and the knee joint) from migrating (beeing expelled from the body) due to normal child growth. This K-wires are long stainless steel elements inserted longitudinally inside the humerus as a deformity correcting aid. The requirements were that the system should not interfere either with the articular capsule or the joint itself, that is why the profile is of less than 2mm and all edges were chamfered. Also the screw tapper allowed for the fixating point to be concealed and have a greater holding area.
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Pega Medical (Patented)

All models and images property of Pega Medical Inc. (Patented)

Oscar J. Acosta
Industrial Designer Senior at IsoTech Design Inc. Montreal, PQ