Medical support products often use several types of narrow textile within the same device. A rigid positioning strap, an elastic support zone and an adjustable hook-and-loop closure each solve a different functional problem. Understanding those differences helps avoid asking one material to perform incompatible tasks.
Rigid straps: prioritising positional stability
Rigid or low-elongation straps can be used where the device needs consistent positioning and limited movement. The design should consider load, width, edge comfort and interaction with buckles or anchoring points.
Elastic straps: controlling extension and recovery
Elasticity should be specified as a performance range. The force required to reach a given extension and the ability to recover after repeated cycles influence both support and user comfort.
Hook-and-loop compatible straps: prioritising adjustability
Hook-and-loop systems can support repeated fitting and adjustment. Their design should consider peel and shear behaviour in the final geometry, the size of the engagement area and how easily the user can operate the closure.
Hybrid constructions can separate functions
A product can combine rigid and elastic zones or use a stable strap with an adjustable closure. Separating functions often produces better control than using a single compromise material throughout the device.
Comfort depends on pressure distribution and edges
| Parameter | Impact on the user |
|---|---|
| Width | Wider straps can distribute pressure over a larger area, subject to device geometry. |
| Edge construction | Affects rubbing and local skin contact. |
| Surface texture | Influences grip, comfort and interaction with clothing. |
| Elastic force | Determines how pressure changes with movement or adjustment. |
| Closure location | Affects accessibility, bulk and local pressure. |
Assembly should preserve adjustability
Rivets, eyelets, handles and other components can be integrated, but their position and stiffness should not create unwanted pressure points or restrict the intended range of movement.
Test repeated-use scenarios
Development should consider repeated adjustment, cycling of elastic zones, opening and closing, abrasion at guides or buckles and any cleaning or maintenance process specified by the final product manufacturer.
Specify what the user must feel and what the device must control
Technical requirements should combine measurable parameters with user-centred outcomes: stable support, easy adjustment, absence of sharp edges, manageable closure force and repeatable positioning.
Select the construction around the medical product, not in isolation
Lécuyer’s medical strap capabilities include rigid, elastic and hook-and-loop solutions, custom widths, finishes and component assembly. The final choice should be validated within the actual orthotic or rehabilitation product.
Frequently asked questions
When should a rigid strap be used in a medical support product?
When the design requires stable positioning and limited elongation, subject to the required comfort and load conditions.
How should medical strap elasticity be specified?
By defining extension and recovery behaviour under representative forces rather than simply calling the material elastic.
What is the advantage of hook-and-loop adjustment?
It enables repeated opening, closing and position adjustment, which can be useful for orthoses and rehabilitation products that need frequent fitting.
Can one device use several strap constructions?
Yes. Combining rigid, elastic and adjustable elements can allow each zone to perform a specific function more effectively.