Responses to remote release pin lock
David Gerecke
Description
Collection
Title:
Responses to remote release pin lock
Creator:
David Gerecke
Date:
6/11/2004
Text:
Thank you to everyone who responded to my query. Here are the responses-the
names have been removed for confidentiality.
Greetings,
I am working with an obese transtibial patient that uses Ossur locking
liners and a 600 series ratchet lock. Due to his girth, the comparatively
long length of his residual limb, and rheumatoid arthritis in both hands, he
has a difficult time disengaging the lock. Are there any locking mechanisms
that use a more proximal release mechanism? We have considered and rejected
the lanyard lock. We have considered alternate suspension methods and feel
that the locking gel liner is most appropriate.
David Gerecke, CPO, FAAOP
Seattle Prosthetic and Orthotic Associates, Inc
* Check Coyote Mfg. Proximal locking devices.
Good Luck!
* USMC had a remote lock release system that I used for a big patient about
4
years ago. I don't know if they still carry it. It mounted on the proximal
brim.
* Have you thought about the ICEROSS seal in liner, it eliminates the need
for
any type of ratchet lock and therefor reduces the overall weight of the
limb. Suspension is achieved by suction, and the valve that Ossur provide
is a nice little small one-way valve, althought the downpoint is that this
valve must be placed distally on the socket. It is a push button release
type. So far I have seen two patients use these on my work placement in
Dublin, Ireland, both have found suspension to be good.
* Bulldog Tools makes a pull release lock. You could probably attach a
cable
to it.
* I do not think that there are ready to use locks that you are looking for,
however I would use a lock like the Ortho Europe lock that has a a plastic
release pin and attach an arm cable to it then attach a pulley onto the
socket and run the cable up to the top of the socket and us a release
mechanism from a lock knee to activate the shuttle lock. Good luck
* Have you considered a Coyote lock that adheres to the gel liner
proximally?
* David, we have done this with a couple of different locks, as long as they
release easily, ie, PDI, Fillauer, etc. Using upper extremity cabling,
fasten
the cable around the lock from the opposite side so it goes clear around the
socket, and then we route it just like upper extremity cabling, with housing
and all and used a Kafo trigger release up by the top of the socket. If
this
isn't clear give me a call at work.
* David- you might with to try an automatic air expulsion valve placed
distally. The inner liner is cut just above the socket trim lines, and a
knee sleeve (I prefer the Durasleeve) keeps the air from coming in. Removal
is proximal by reflecting the sleeve. It has worked very well for us when
locking mechanisms are not appropriate.
* Could you use a velcro strap attached to the bottom of his insert, then
fed through a slot in the socket and attached to velcro mounted on the
anterior face of his socket? Maybe use a loop to feed the velcro through?
Just a thought.
names have been removed for confidentiality.
Greetings,
I am working with an obese transtibial patient that uses Ossur locking
liners and a 600 series ratchet lock. Due to his girth, the comparatively
long length of his residual limb, and rheumatoid arthritis in both hands, he
has a difficult time disengaging the lock. Are there any locking mechanisms
that use a more proximal release mechanism? We have considered and rejected
the lanyard lock. We have considered alternate suspension methods and feel
that the locking gel liner is most appropriate.
David Gerecke, CPO, FAAOP
Seattle Prosthetic and Orthotic Associates, Inc
* Check Coyote Mfg. Proximal locking devices.
Good Luck!
* USMC had a remote lock release system that I used for a big patient about
4
years ago. I don't know if they still carry it. It mounted on the proximal
brim.
* Have you thought about the ICEROSS seal in liner, it eliminates the need
for
any type of ratchet lock and therefor reduces the overall weight of the
limb. Suspension is achieved by suction, and the valve that Ossur provide
is a nice little small one-way valve, althought the downpoint is that this
valve must be placed distally on the socket. It is a push button release
type. So far I have seen two patients use these on my work placement in
Dublin, Ireland, both have found suspension to be good.
* Bulldog Tools makes a pull release lock. You could probably attach a
cable
to it.
* I do not think that there are ready to use locks that you are looking for,
however I would use a lock like the Ortho Europe lock that has a a plastic
release pin and attach an arm cable to it then attach a pulley onto the
socket and run the cable up to the top of the socket and us a release
mechanism from a lock knee to activate the shuttle lock. Good luck
* Have you considered a Coyote lock that adheres to the gel liner
proximally?
* David, we have done this with a couple of different locks, as long as they
release easily, ie, PDI, Fillauer, etc. Using upper extremity cabling,
fasten
the cable around the lock from the opposite side so it goes clear around the
socket, and then we route it just like upper extremity cabling, with housing
and all and used a Kafo trigger release up by the top of the socket. If
this
isn't clear give me a call at work.
* David- you might with to try an automatic air expulsion valve placed
distally. The inner liner is cut just above the socket trim lines, and a
knee sleeve (I prefer the Durasleeve) keeps the air from coming in. Removal
is proximal by reflecting the sleeve. It has worked very well for us when
locking mechanisms are not appropriate.
* Could you use a velcro strap attached to the bottom of his insert, then
fed through a slot in the socket and attached to velcro mounted on the
anterior face of his socket? Maybe use a loop to feed the velcro through?
Just a thought.
Citation
David Gerecke, “Responses to remote release pin lock,” Digital Resource Foundation for Orthotics and Prosthetics, accessed November 6, 2024, https://library.drfop.org/items/show/223285.
