Practitioner FAQs

Practitioner FAQs 2017-10-12T18:04:01+00:00

For your convenience, our most common questions are answered right here.

Not finding what you want? Reach out directly through our Contact Us page.

Trouble Shooting Socket Issues

If the roll at the top of the Sail becomes uncomfortable, you can partially or fully remove the felt roll.

The ischium should not contact the rigid socket.

  • Make sure your medial wall does to extend posterior to the adductor longus.
  • Check for proper rotation on donning.
  • Make sure the medial wall angles out (medially/ towards the midline) to transition to the Sail’s splay.
  • Your socket may be too deep.
  • Your ML may be too wide.

If the limb is very conical, or the socket requires significant flexion, the Sail can be made with an arc shape to raise it.

  • In cases of poor arm strength, the Sail can be made with chaff loops on the batten. This will provide a 2:1 pull and reduce the required strength by 50%.
  • In cases of poor finger strength, sewing large Dacron loops on the closure straps can be helpful.
  • The closure may be pulled too tightly.  Make sure is it soft in non-weight bearing.
  • In cases of extreme ischemia, the Sail can be left loose while sitting and snugged only when needed to ambulate.
  • Your socket is out of volume adjustment.
  • Ideally the batten should be between .5 to 1.25 inches posterior to the rigid socket trim line.
  • The Sail should cover half the residual limb and follow a normal shape.
  • Socks and pads may be used to decrease socket volume.
  • Consider a new socket.
  • The Velcro is under too much tension.
  • Consider a Loop batten closure.
  • Consider a pressure buckle closure and eliminate the Velcro.
  • The Scarpa’s modification may be too aggressive.
  • Check for excessive toe out.
  • Use a proximal suspension aid i.e., Coyote, Kiss or a small Velcro to the gel insert.
  • There are times when with any socket, soft, fleshy or short limbs just need a belt.

Sail Ordering

You must be a CJ Socket-certified prosthetist to place an order.

Lower Extremity Sail

  • To order a Lower Extremity Sail, please visit the Ordering page and download the Lower Extremity Sail ordering form.
  • Fax the completed order form to 978.922.0277.
  • Email us the completed order form.

Upper Extremity Sail

  • To order an Upper Extremity Sail, please contact our office for instructions.  In the near future, you will be able to download the Upper Extremity Sail order form from our site.

If you have any questions, please feel free to call (978.922.0413) or email us.

You need to attend our Introduction to CJ Socket course. This course is a full day of instruction including a patient fitting.

Please contact us via phone (978-922-0413) or email us to schedule.

Orders are confirmed via phone or email upon receipt.

Standard manufacturing to shipping time is 24 business hours from receipt of order.

Standard shipping is 2-Day Delivery via the Post Office. However, we also provide Next Day shipping from the Post Office or guaranteed service from UPS. (Some destinations have limited shipping service options.)

Yes, it’s 90 days from receipt for manufacturer’s defects.
Yes, we have installed CJ Sails on KAFOs and PFFDs.

Socket Manufacturing

The CJ Sockets are made from PETG or ThermoLyn stiff.

We do not currently offer central fabrication as a standard service. If you have a particular manufacturing question or issue, please call (978.922.0413) or email us.

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