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Overview of Limb Prosthetics...medical consulting

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In this page talks about ( Overview of Limb Prosthetics...medical consulting ) It was sent to us on 05/08/2021 and was presented on 05/08/2021 and the last update on this page on 05/08/2021

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More Information about Limb Prosthetics











The following English-language resources may be useful. Please note that The Manual is not responsible for the content of these resources.





Amputee Coalition: Information to promote limb loss prevention and provide education support and advocacy for people affected by limb loss




U.S. Department of Veterans Affairs: Rehabilitation and Prosthetic Services: Resources regarding national policies and programs for medical rehabilitation and prosthetic and sensory aids services that promote the health independence and quality of life for Veterans with disabilities





simple explanation



A limb prosthesis is an artificial limb that replaces a missing body part usually because it has been amputated.


The main causes of limb amputation are


Blood vessel (vascular) disease particularly from diabetes or peripheral arterial disease


Cancer


Injury (for example from a motor vehicle crash work-related accident or military combat)


Birth defect


In the United States about 1 in 200 people are currently living with the loss of a limb and about 500 amputations are done each day. This percentage is likely to increase because as the population ages more people will develop diabetes and vascular disease.


For people who have had an amputation a prosthesis (artificial limb) is often recommended to replace that body part. At a minimum a prosthesis should enable the person to perform daily activities (such as walking eating and dressing) independently and comfortably. At best a prosthesis may enable the person to function as well or nearly as well as before the amputation.


Success with a prosthesis is most likely to occur when the clinical team involved has many different types of professionals depending on the person’s needs. At a minimum core team members include the surgeon prosthetist and physical therapist. Prosthetists are experts who evaluate the amputee's overall functional capabilities and develop a prosthesis treatment plan which includes designing fitting fabricating and adjusting the prosthesis and providing lifetime follow-up care to maintain the prosthesis and provide advice and instruction on care. For more complex cases the team could also include a physiatrist occupational therapist social worker psychologist and family members.


People may have concerns regarding passing through airport security with a prosthesis. Security personnel typically do not ask people to remove a prosthesis. If they do they are obligated to do this in a private setting because it usually requires removing some clothing. It may be useful for the prosthetist to write a letter stating that the prosthesis has metallic and microprocessor components and that leaving the prosthesis off for more than 10 to 15 minutes could make it difficult to put it back on because the fluid volume of the stump will increase.


Goals range from simple mobility to being able to do high-impact activities such as running and jumping. The prosthesis' components are customized to help people achieve their different goals. Advances in cushioning materials prosthetic socket design and foot ankle knee hand wrist and elbow component technology have significantly improved comfort and function. When fitting a prosthesis the prosthetist works to make sure that the amputee is comfortable stable while standing and walking and able to or achieve individual goals.


Highly motivated otherwise healthy people with a prosthesis can accomplish many extraordinary feats (for example go skydiving climb mountains complete triathlons fully participate in sports or return to demanding jobs or to active duty in the military). Whether a prosthesis is used only for basic mobility or for more demanding activities it can provide profound psychologic benefits and improve quality of life.


Successful prosthesis use depends on the following:


The person's other medical conditions


The person's physical and cognitive capabilities


The characteristics of the amputation stump


How well the prosthesis socket fits and connects to the body


Prosthesis fitting is a specialized skill. Also it can be hard for people to make the physical and mental adjustments necessary to function with the prosthesis. Thus the whole process of selecting and adjusting components and assessing overall prosthesis function is challenging and takes significant time. Not all patients are candidates for all types of prosthesis.


An entire limb or part of one may be amputated. Doctors weigh many factors when amputating a limb. It is very important to


Remove dead or infected tissue


Ensure there is good blood flow in the residual limb (stump)


Other important considerations are to


Preserve muscles and their attachments to bones as much as possible


Stabilize bones


Cover the end of the stump with muscle


Having an amputation is difficult for people. Losing a limb is not only physically challenging but people's self-image often changes after they lose a part of "themselves." Doctors and prosthetists try to prepare people and their family by explaining why an amputation is necessary and what will happen before and after the amputation and during the prosthesis fitting process. People who understand the process and have realistic expectations of the difficulties they may face and the most likely outcomes are more likely to persevere and have a better result. Doctors sometimes arrange for the person to talk with someone who already has an amputation and has adjusted well to it.


Before doing surgery doctors try to get people in the best possible medical condition. They try to alleviate existing medical problems such as poor nutrition diabetes and heart or lung disease as much as possible. Because smoking interferes with healing  smoking cessation measures are important. If time permits people who are weak or debilitated may do therapy and exercises to make them stronger and more flexible.


Immediately after surgery the medical team starts measures to


Maintain range of motion of joints to prevent them from becoming stiff


Maintain or increase people's strength and general conditioning


Manage swelling (edema) in the stump


When recovery permits people should begin to desensitize the end of their stump by massage tapping vibration and starting to bear weight on it.


Prosthesis fitting can begin when the surgical wound is sufficiently healed and the swelling has gone down enough provided that the person has enough overall strength and joint range of motion. Prosthesis fitting usually occurs about 7 to 10 weeks after amputation.


The amputation stump continues to change for 6 to 18 months after amputation as more fluid leaves the stump and the muscles reshape. While these changes are ongoing prosthetists may fit one or more temporary sockets until the amputation stump stabilizes. When the amputation stump seems close to its final size and shape prosthetists fit the person with a definitive prosthesis. A temporary prosthesis allows people to become accustomed to pressures and forces involved in using a prosthesis.


Early rehabilitation facilitates recovery and future success in using a prosthesis. When possible for people whose amputation is scheduled rehabilitation begins before the amputation. For people whose amputation is done suddenly (for example because of injury sustained in a motor vehicle crash or combat) rehabilitation is begun as early as the first day after surgery. (See also Rehabilitation After Limb Amputation.)


Complications may include persistent pain in the residual limb delayed healing often due to poor circulation skin breakdown skin infection and swelling of the residual limb. These may be due to a problem with the residual limb or with the prosthesis and/or socket.


The following English-language resources may be useful. Please note that The Manual is not responsible for the content of these resources.


Amputee Coalition: Information to promote limb loss prevention and provide education support and advocacy for people affected by limb loss


U.S. Department of Veterans Affairs: Rehabilitation and Prosthetic Services: Resources regarding national policies and programs for medical rehabilitation and prosthetic and sensory aids services that promote the health independence and quality of life for Veterans with disabilities
  • The Author: wikbe
 
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