After the preparation of wheelchair, it is necessary to check the size conformity of the wheelchair to ensure that the wheelchair is suitable for users. The conformity check includes static check and dynamic check.
(1) Static inspection
Static testing is to check whether the size of the wheelchair meets the user's physical needs, whether the supporting components can be effectively supported, and whether the pressure level is assessed when the wheelchair is still. The user maintains a neutral position and checks whether the wheelchair is comfortable and easy to drive.
Check seat width
The examiner's finger slides between the outside thigh of the wheelchair user and the side of the wheelchair. The finger should feel comfortable without being squeezed.
Check the height of chair seat
For bipedal or hand-foot-driven wheelchairs, seat height should also be checked. Let the user sit in a wheelchair, resting the back of the pelvis on the back of the user, driving the foot flat on the ground, and checking whether the feet can be flat on the ground. For hand-foot drive users, make sure that the ischial tubercle of the foot on the pedal is properly compressed.
(3) Check the seat depth
When the hand slides between the cushion and the cochineal fossa, there should be a gap between two fingers (3cm-5cm); when the hand slides downward at the back of the leg, it will not touch the seat or cushion. Seat depth should be checked on both sides, not only on one side.
(4) Check the foot pedal height
When looking at the foot on the pedal, the front and back of the foot should be flat on the pedal and there should be no gap; when the hand slides between the thigh and the cushion, the pressure of the whole thigh should be equal and there should be no gap between the thigh and the seat surface.
Check back height
To observe whether backrest provides effective support for users, low backrest is the lower edge of thoracic cavity, standard backrest is the lower angle of scapula, and high backrest is the acromion. Ask if the user's back is comfortable and if it hinders wheelchair driving.
Check the height of armrest
The user's elbow flexed 90 degrees and was naturally placed on the armrest. The examiner observed whether the user's shoulder was horizontal or not, and whether he shrugged or not.
Driving position
The elbow should be buckled from 90 to 120 for the user to hold the top position of the handring tightly.
_Conformity check of support system
For wheelchairs with support system, after checking the conformity of the basic dimensions of wheelchairs, the support system should be evaluated.
Check the pillow: The pillow should be supported at the user's occipital position, so that the user's head is basically in a horizontal and upright position.
Check chest bracket: Chest bracket should not exert pressure on the axilla. The top of the chest bracket should have at least two (3 cm) clearance between the user's axilla and the user's axilla.
Carpet seat belt: Chest seat belt can provide stable support for users, but do not squeeze the trunk, and leave space with the neck to keep the neck comfortable; pelvic belt can be firmly tightened and does not squeeze the skin of wheelchair users.
Condyle splitter and hip abduction baffle or cushion: thigh support does not squeeze thighs while providing support; the splitter keeps three fingers (4cm-6cm) away from the groin, and adults generally keep four fingers (4cm-10cm) to avoid the splitter exerting pressure on the groin area.
(2) Dynamic inspection
Dynamic inspection is to check whether wheelchair is suitable in the process of wheelchair driving by wheelchair users. It mainly includes whether the backrest allows users to move their shoulders freely to drive the wheelchair, whether the backrest can provide enough support for users, whether the users'feet can be stationary on the pedal, and whether the position of the rear wheel is suitable for users. If the wheelchair user cannot drive the wheelchair by himself, a caregiver is needed to push the wheelchair.
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