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Upper Limb Prosthetics

Putting on the prosthesis

  1. Put a clean, dry prosthetic sock on your child’s arm.
  2. Slide your child’s arm into the socket or use the sock to pull your child’s arm into the socket.
  3. Tuck the extra sock into the socket.
  4. Fasten the humeral cuff around your child’s upper arm.
  5. Bend the elbow to make sure the prosthesis is on properly.
  6. Apply shoulder harness and ensure that it is snug.

Daily cleaning of the prosthesis

  • Each day, dampen a washcloth with rubbing alcohol, and clean the socket and humeral cuff.
  • Do not submerge the prosthesis under water. Moisture can become trapped in the foam. This causes germs to grow and the prosthesis to smell.
  • Dry the prosthesis immediately if it gets really wet.
  • The harness can be removed from the prosthesis for cleaning. Hand wash with mild soap and water. Rinse well and lay flat to dry.
  • Pens and permanent ink may stain prosthetic hand or mitt. If marked, clean immediately with rubbing alcohol to reduce staining.

Daily cleaning of your child’s arm

  • Each day, clean your child’s arm with soap and water.
  • Inspect the skin each day, looking for red marks that do not fade within
  • 30 minutes after removing the prosthesis.
  • Sores or calluses should not develop.

Wearing schedule

  • New prostheses should be worn for one hour. Remove the prosthesis to inspect skin for irritation. Increase wearing time as tolerated by your child.
  • Once the break-in period is over, your child should be comfortable in their prosthesis all day.
  • Your child may choose to wear the prosthesis just for specific tasks.

When should I call the Prosthetics department?

  • Call with any prosthetic-related problems. This includes adjustments needed for your child’s growth, repairs, and skin or fitting issues.
  • To schedule follow-up and return appointments, please call 206-987-8448. All patients need scheduled appointments.

To Learn More

  • Orthotics and Prosthetics
    206-987-8448
  • Ask your child’s healthcare provider
  • seattlechildrens.org/patient-education

Free Interpreter Services

  • In the hospital, ask your nurse.
  • From outside the hospital, call the toll-free Family Interpreting Line, 1-866-583-1527. Tell the interpreter the name or extension you need.
Seattle Children's Hospital

Seattle Children’s offers free interpreter services for patients, family members and legal representatives who are deaf or hard of hearing or speak a language other than English. Seattle Children’s will make this information available in alternate formats upon request. Call the Family Resource Center at 206-987-2201. This handout has been reviewed by clinical staff at Seattle Children’s. However, your needs are unique. Before you act or rely upon this information, please talk with your healthcare provider.

© 2026 Seattle Children’s, Seattle, Washington. All rights reserved.

02/01/2026
PE1582
Patient and Family Education | Orthotics and Prosthetics

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206-987-2000 866-987-2000 (toll-free) 206-987-0391 (TTY)

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