Re: Blister formed sockets responses
Jim Thelen
Description
Collection
Title:
Re: Blister formed sockets responses
Creator:
Jim Thelen
Date:
2/3/2012
Text:
Here is my original question and the responses concerning plastic choice for
blister formed sockets:
> We are considering reducing the numbers of, or totally eliminating, the
use
> of laminated prosthetic sockets in favor of blister formed sockets. I'm
> interest in comments about the best choice of materials for definitive
> blister formed socket fabrication considering strength and durability,
ease
> of finishing, resistance to shrinkage, final appearance, etc.
Response summary:
We have not done a lamination here for nearly twenty years. We use
orthopedic grade polypropylene 12X12 3/8 for TT and 16X16 1/2 for TF.
Shrinkage is minimal--don't force cooling time.
----------------------------------------------------------------------------
----
We have used 1/2 copoly. We see a lack of definition distally and some non
smooth transitions
----------------------------------------------------------------------------
----
In your region, it would have to be polypropylene (co-polymer for colder
climates). Personally, I went from plastic (which does have its advantages)
to composite because I hated accounting for shrinkage and that the
calculated accommodation changed over time.
----------------------------------------------------------------------------
----
they work great and some people are more comfortable in them but they don't
look very good in my opinion.
----------------------------------------------------------------------------
----
Use polypro along with the thermoplastic adaptor from American prosthetics.
There will always use shrinkage, if you use CAD/CAM you can compensate with
a percentage adjustment.
----------------------------------------------------------------------------
----
----------------------------------------------------------------------------
----
Thanks to everyone that responded.
Jim Thelen, LPO, CP, BOCO
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blister formed sockets:
> We are considering reducing the numbers of, or totally eliminating, the
use
> of laminated prosthetic sockets in favor of blister formed sockets. I'm
> interest in comments about the best choice of materials for definitive
> blister formed socket fabrication considering strength and durability,
ease
> of finishing, resistance to shrinkage, final appearance, etc.
Response summary:
We have not done a lamination here for nearly twenty years. We use
orthopedic grade polypropylene 12X12 3/8 for TT and 16X16 1/2 for TF.
Shrinkage is minimal--don't force cooling time.
----------------------------------------------------------------------------
----
We have used 1/2 copoly. We see a lack of definition distally and some non
smooth transitions
----------------------------------------------------------------------------
----
In your region, it would have to be polypropylene (co-polymer for colder
climates). Personally, I went from plastic (which does have its advantages)
to composite because I hated accounting for shrinkage and that the
calculated accommodation changed over time.
----------------------------------------------------------------------------
----
they work great and some people are more comfortable in them but they don't
look very good in my opinion.
----------------------------------------------------------------------------
----
Use polypro along with the thermoplastic adaptor from American prosthetics.
There will always use shrinkage, if you use CAD/CAM you can compensate with
a percentage adjustment.
----------------------------------------------------------------------------
----
----------------------------------------------------------------------------
----
Thanks to everyone that responded.
Jim Thelen, LPO, CP, BOCO
********************
To unsubscribe, send a message to: <Email Address Redacted> with
the words UNSUB OANDP-L in the body of the
message.
If you have a problem unsubscribing,or have other
questions, send e-mail to the moderator
Paul E. Prusakowski,CPO at <Email Address Redacted>
OANDP-L is a forum for the discussion of topics
related to Orthotics and Prosthetics.
Public commercial postings are forbidden. Responses to inquiries
should not be sent to the entire oandp-l list. Professional credentials
or affiliations should be used in all communications.
Citation
Jim Thelen, “Re: Blister formed sockets responses,” Digital Resource Foundation for Orthotics and Prosthetics, accessed November 24, 2024, https://library.drfop.org/items/show/233339.