370-SD Alginate

In prosthetic medicine, the sockets of prosthetic limbs sometimes wear out and need replacement. Alginate is commonly used in this process. Accu-Cast developed our 370-SD formula just for this purpose. It is currently used by thousands of prosthetic labs throughout North America.370-SD alginate specifically formulated for Socket Duplication for artificial arms and legs in Prosthetic Medicine. We asked prosthetists what they wanted and this is what they said:

  1. Pourable
  2. Fast Set
  3. Extra Firm Set

Sometimes the patient is perfectly happy with their existing socket, but it is just wearing out and needs replacement. A new one could be fabricated from the ground up, but most of the time duplicating the old one is a good, economical solution to their problem.

370-SD alginate used to duplicate a socket

  • Alginate is mixed and poured into the socket that needs replacing
  • A pipe is pushed down into the alginate
  • When the alginate sets up the alginate is removed- looking like a large white Popsicle.
  • Ideally, this alginate "slug" is firm enough that when it is moved around it does not sag or bend
  • Our 370-SD alginate is perfect for this application
  • The pipe is clamped into a vise and a plaster bandage shell is constructed around the alginate slug
  • When the plaster sets, this shell is removed from the alginate
  • A release is put into the plaster bandage shell and a plaster "positive" is poured into it.
  • This is the structure upon which the new socket is fabricated.

Sockets are made from fiberglass or carbon fiber or some combination of the two.

The most important things for alginate to do in this procedure is to mix quickly, pour easily, set quickly and have the proper firm/hard consistency when set.

370-SD alginate is perfect for this.

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