Positioning Wedge for Upper Limb - anatomical arm support for oedema relief and postural stability.
- Upper Limb Oedema Reduction Through Gravity-Assisted Elevation - the Positioning Wedge for Upper Limb elevates the arm above the level of the heart in lying or semi-Fowler positions, using gravity-assisted venous and lymphatic drainage to reduce upper limb oedema; when the arm is elevated above cardiac level, the hydrostatic pressure difference across the venous wall is reversed, improving venous return from the hand and forearm; this elevation is the primary clinical mechanism of oedema reduction and requires the arm to be continuously elevated throughout the care period, which the wedge maintains without carer attention.
- Anatomically Contoured Viscoelastic Foam Without Vein Compression - the wedge is shaped to follow the natural contour of the arm from shoulder to hand, providing a progressive support surface that maintains the arm in its natural alignment at the elevated angle; the viscoelastic foam conforms to the arm's soft tissue profile without applying point pressure at the forearm or hand that would compress superficial veins and impair the venous drainage the elevation is designed to promote; avoiding vein perfusion restriction is explicitly noted as a design requirement in the product specification.
- Symmetrical - Left or Right Side - Two Sizes - the symmetrical design allows the wedge to be used on either the left or right arm without requiring a separate handed product; two sizes accommodate different arm lengths and body proportions: NCL-P912L1HW (650 x 370 x 160mm) for longer arms or residents requiring greater elevation surface coverage; NCL-P915L1HW (490 x 190 x 160mm) for shorter arms or residents with smaller limb dimensions; the occupational therapist should assess which size provides full arm coverage from shoulder to wrist for the specific resident.
- Secure Adjustable Attachment - Bi-Stretch PU Cover - MDR Class I - an adjustable attachment system secures the wedge position during use; the bi-stretch polyurethane cover reduces friction at the arm contact surface and supports hygienic wipe-clean decontamination; suitable for post-surgical recovery, injury rehabilitation, and chronic oedema management; MDR 2017/745 Class I positioning device; occupational therapist assessment required per NICE CG179; product codes NCL-P912L1HW and NCL-P915L1HW.
Positioning Wedge for Upper Limb - Visco Foam Oedema Elevation - Two Sizes - Bi-Stretch PU Cover
The Positioning Wedge for Upper Limb elevates the arm for gravity-assisted venous and lymphatic drainage to reduce upper limb oedema, using anatomically contoured viscoelastic foam that supports the arm without compressing superficial veins. Symmetrical for left or right use. Two sizes: NCL-P912L1HW (650 x 370 x 160mm) and NCL-P915L1HW (490 x 190 x 160mm). Adjustable attachment for positional security. Bi-stretch PU cover. For lying and semi-Fowler positions. MDR 2017/745 Class I. NCL-P912/P915L1HW.
Specifications
| Specification | Detail |
|---|---|
| NCL-P912L1HW | Large - 650 x 370 x 160mm |
| NCL-P915L1HW | Small - 490 x 190 x 160mm |
| Construction | Viscoelastic memory foam |
| Cover | Bi-stretch polyurethane - friction-reducing; hygienic |
| Fixation | Secure adjustable attachment system |
| Positioning | Symmetrical - left or right arm; lying or semi-Fowler |
| Clinical Function | Upper limb elevation; oedema reduction; vein-perfusion-safe support |
| Regulatory Status | MDR 2017/745 Class I medical device |
Regulatory Compliance
The Positioning Wedge for Upper Limb is a Class I medical device under MDR 2017/745. Clinical selection requires occupational therapist assessment confirming the oedema indication, appropriate elevation angle, and size selection per NICE CG179 and lymphoedema management guidelines where applicable. Size selection and the positioning protocol must be documented in the care plan. Equipment register records and MDR conformity documentation must be maintained for CQC Regulation 12 compliance.
Frequently Asked Questions
What conditions cause upper limb oedema in care home residents, and how does continuous elevation address them?
Upper limb oedema in care home residents arises from several mechanisms. In hemiplegia following stroke, paralysis of the arm's pump muscle function (the venous return function of muscle contraction during movement) combined with dependent arm positioning during extended seated or lying periods allows fluid to accumulate in the hand and forearm; the arm's normal movement during daily activity, which pumps venous blood from the periphery toward the heart, is absent. In lymphoedema, the lymphatic drainage network is compromised by prior treatment, surgery, or disease, reducing the system's capacity to clear interstitial fluid from the limb. In cardiac and renal conditions, fluid retention leads to generalised oedema that pools particularly in dependent limb segments. Continuous elevation addresses all these by removing the hydrostatic pressure gradient that allows fluid to accumulate in the dependent position - above cardiac level, the pressure difference is reversed, favouring return flow. The elevation must be continuous during the positioning period, as lowering the limb immediately re-establishes the dependent pressure gradient and the accumulated fluid will begin to redistribute back toward the hand and forearm within minutes.
How does the wedge avoid compressing superficial veins, and why does vein compression undermine oedema treatment?
The anatomical contour of the wedge follows the natural arm profile - widening from the hand to the elbow to the forearm to accommodate the arm's increasing circumference - so that the contact is distributed along the forearm's full length rather than concentrated at the elbow or wrist where point contact could apply pressure across the superficial vein network. The viscoelastic foam's slow-return compliance means it yields to the arm's shape, including the deviation of the forearm from a perfect cylinder, without creating a rigid contact edge. Vein compression matters because the superficial venous network of the forearm (the cephalic and basilic veins and their tributaries) is the primary drainage pathway for oedematous fluid reabsorbed into the venous system during elevation; if the wedge compresses these veins at any point along their course, the drainage pathway is occluded and the elevation cannot achieve the venous return it is designed to provide. A wedge that applies pressure at the antecubital fossa (the elbow crease), where the venous anatomy is concentrated as the veins transition from the forearm to the upper arm, is particularly likely to impair drainage even when the arm is appropriately elevated.
NCL-P912L1HW
- Upper Limb Oedema Reduction Through Gravity-Assisted Elevation - the Positioning Wedge for Upper Limb elevates the arm above the level of the heart in lying or semi-Fowler positions, using gravity-assisted venous and lymphatic drainage to reduce upper limb oedema; when the arm is elevated above cardiac level, the hydrostatic pressure difference across the venous wall is reversed, improving venous return from the hand and forearm; this elevation is the primary clinical mechanism of oedema reduction and requires the arm to be continuously elevated throughout the care period, which the wedge maintains without carer attention.
- Anatomically Contoured Viscoelastic Foam Without Vein Compression - the wedge is shaped to follow the natural contour of the arm from shoulder to hand, providing a progressive support surface that maintains the arm in its natural alignment at the elevated angle; the viscoelastic foam conforms to the arm's soft tissue profile without applying point pressure at the forearm or hand that would compress superficial veins and impair the venous drainage the elevation is designed to promote; avoiding vein perfusion restriction is explicitly noted as a design requirement in the product specification.
- Symmetrical - Left or Right Side - Two Sizes - the symmetrical design allows the wedge to be used on either the left or right arm without requiring a separate handed product; two sizes accommodate different arm lengths and body proportions: NCL-P912L1HW (650 x 370 x 160mm) for longer arms or residents requiring greater elevation surface coverage; NCL-P915L1HW (490 x 190 x 160mm) for shorter arms or residents with smaller limb dimensions; the occupational therapist should assess which size provides full arm coverage from shoulder to wrist for the specific resident.
- Secure Adjustable Attachment - Bi-Stretch PU Cover - MDR Class I - an adjustable attachment system secures the wedge position during use; the bi-stretch polyurethane cover reduces friction at the arm contact surface and supports hygienic wipe-clean decontamination; suitable for post-surgical recovery, injury rehabilitation, and chronic oedema management; MDR 2017/745 Class I positioning device; occupational therapist assessment required per NICE CG179; product codes NCL-P912L1HW and NCL-P915L1HW.