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Transfemoral Suction Socket Description: Suction socket worn with residual limb in direct contact with socket, all air is evacuated out valve hole at medial distal end of socket to create negative pressure within the socket, a distal end valve prevents air from re-entering the socket until user presses release button. Function: During swing phase of gait, negative pressure is created within the socket to hold the socket on residual limb; provides good preprioceptive feedback; decreased “pistoning” during swing phase of gait. Indication: For patients with firm, mature residual limbs that are medium to long length; patient must have adequate balance and coordination to don prosthesis properly; contraindications: fluctuation residual limb volume. Include on Rx: “Transfemoral Suction Socket” |
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Total Elastic Suspension (TES) Belt Description: Wide neoprene (or similar) waist –band lined with nylon material Function: Belt fits around proximal part of socket and goes around pelvis and waist to suspend prosthesis Indication: Used with suction socket or a primary suspension mechanism Include on Rx: “TES Belt Suspension” |
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Silesian Belt Description: Flexible soft belt usually made of cotton webbing, leather, or Dacron material and attaches to lateral wall of transfemoral socket, encircling pelvis and connects with a strap on anterior wall Function: Aids suspension and provides some control of rotation; often used as an auxiliary to suction suspension Indication: When additional suspension is needed Include on Rx: “Silesian Belt” |
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Lanyard Description: Lanyard suspension system Function: Suspension of transfemoral or transtibial prosthesis used in conjection with a gel or silicone liner Indication: Utilize when pin lock system not appropriate or personal preference Include on Rx: “Lanyard System” |
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Transtibial Prosthesis with Gel Liner & Locking Unit Description: Gel liner worn against skin with attached pin that locks into distal end of prosthetic socket; suspension is created by intimate fit of liner next to skin Function: Improved suspension and reduction of shear forces on residual limb Indication: When improved suspension and reduction in shear forces is necessary Include on Rx: “Transtibial Prosthesis with Gel Liner & Locking Unit” |
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Supercondylar Suspension Description: Medial and lateral brims purchase over femoral condyles in transtibial prosthesis Function: Provides increased mediolateral stability and better suspension for shorter residual limbs Indication: When increased knee stability, rotational control and pressure distribution are required; shorter residual limbs Include on Rx: “Supracondylar Suspension” |
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Supercondylar Cuff Suspension Description: Dacron webbing and/or leather; attached to proximal medial and lateral part of socket; strap encircles thigh proximal to patella and femoral condyles Function: Suspend socket during swing phase; may provide moderate control hyperextension of knee genurecurvatum Indication: Not appropriate for residual limbs with good knee stability and/or average length; not recommended for very short residual limbs; contraindicted if patella is not prominent Include on Rx: “Supracondylar Cuff Suspension” |
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Suspension Sleeves Description: Neoprene, silicone or latex rubber Function: Sleeve fits over proximal part of transtibial prosthesis and rolls over patient’s thigh (proximal to prosthetic socks to contact skin) to create a sealed chamber Indication: Helps eliminate or reduce pistoning during swing phase; may use as a means of suspending prosthesis; often used for auxiliary suspension during sports or other recreational activities Include on Rx: “Suspension Sleeves” |
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Joints & Thigh Corset Description: Leather thigh lacer attached to metal side bars and hinged knee joints that attach to socket; often a posterior strap is added to control hyperextension of knee / genurecurvatum Function: Provides maximum mediolateral stability; check strap also controls excessive extension of knee; can be used to partially unload residual limb Indication: When maximum mediolateral and anteroposterior stability is required; knee joint stability; patients that perform heavy-duty work may benefit from added stability Include on Rx: “Joints & Thigh Corset" |
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