A bathtub transfer bench straddles the edge of the tub, with half the seat inside and half outside. This allows users to slide in and out while seated, eliminating the need to step over the tub rim; it is ideal for the elderly, post-operative patients, and individuals with limited mobility.
Bathtub Transfer Bench
I. Installation and Adjustment
Positioning: Place two legs inside the bathtub and the other two on the floor outside, so the bench straddles the tub rim. The backrest is reversible; sit facing the faucet and showerhead while bathing.
Height Adjustment: Press the spring-loaded buttons on the legs to adjust the height, ensuring the seat is level and stable. Since the floor inside the tub is lower, the two inner legs usually need to be set shorter. Ensure the buttons fully pop out and lock into the holes with an audible “click.”
Stability Check: Ensure the rubber feet or suction cups are firmly in contact with the floor and shake the bench to confirm it does not wobble. Place a non-slip mat at the bottom of the tub and wipe the floor dry to prevent slipping.
Note: Sliding shower curtains or doors usually cannot be fully closed when using this bench.
II. Steps for Independent Users
Entering the Bathtub
Stand outside the tub with your back to the bench; hold the armrests and slowly sit on the outer half of the bench.
Sit securely, grip the armrests firmly, and slide your buttocks laterally toward the inside of the tub.
While seated, lift one leg over the tub rim and place it inside, then lift the other leg. Once both legs are inside, slide your body to the center of the bench to begin bathing.
Exiting the Bathtub
After bathing, remain seated and lift your legs out of the tub one by one, placing them on the floor outside.
Slide your buttocks laterally back to the outer half of the bench.
Use the armrests for support and slowly stand up.
III. Transfer Method for Wheelchair Users
Lock the wheelchair brakes and remove or flip up the armrest on the side facing the bench; align the wheelchair closely with the outer side of the transfer bench.
Slide your body laterally onto the outer section of the transfer bench. Once seated securely, lift your legs over the edge of the bathtub one by one and slide your buttocks toward the inside of the tub; a caregiver may use a transfer belt to assist—do not forcefully pull on the arms.
To exit, reverse the process: first move your legs out of the bathtub, then transfer your body back to the wheelchair.
IV. Important Safety Precautions
The stool becomes slippery when wet; keep both hands on the armrests at all times. Avoid twisting your body sharply, and do not attempt wide-reaching sideways movements relying solely on the stool.
Individuals who are frail or have poor balance must be supervised by someone while bathing; do not use the stool alone.
Do not stand on the transfer stool; it is designed for sitting only.
Wipe the stool dry after each use and inspect the legs and rubber foot pads for wear; replace the foot pads promptly if they become slippery.
Strictly adhere to the product’s maximum weight capacity; do not exceed the weight limit.
How to use a bathtub transfer bench after knee replacement surgery?
Key principles: In the early postoperative period, avoid significant knee flexion and strenuous stepping over the bathtub rim with the affected leg. Protect the surgical leg by preventing excessive bending, twisting, or dislocation (while total knee replacement generally carries little risk of dislocation, you must guard against bumps and over-flexion). Minimize active lifting of the surgical leg to cross the bathtub edge.
Postoperative medical advice: Tub bathing is generally recommended only after the wound is dry and sutures have been removed; many doctors prefer showering. Never soak in a bathtub if the wound has not healed.
Pre-operation / Preparation
Check the placement of the transfer bench: The two outer legs should rest on the bathroom floor, and the two inner legs inside the bathtub. The bench must straddle the rim completely, the seat should be level, and the feet should have non-slip pads. Place a non-slip mat inside the bathtub and ensure the floor is dry.
Position the surgical leg as close to the inside of the bathtub as possible to minimize the need to lift the thigh.
Ensure the armrests are securely installed and hold onto them throughout the process. Having a family member nearby to assist is recommended; bathing alone during the early postoperative period is not advised.
Contraindications: Do not soak in the bathtub if sutures are still in place or if there is wound drainage, redness, or swelling.
Steps for entering the bathtub (prioritizing protection of the replaced knee)
Stand outside the bathtub with your back to the transfer bench. Grip the armrests firmly with both hands. Bearing your weight primarily on the unaffected (healthy) leg, slowly sit onto the outer half of the bench.
When sitting down, avoid sudden bending of the surgical leg or turning the knee inward.
Once seated securely, lift the unaffected (healthy) leg into the bathtub first.
Then, slowly slide your buttocks toward the inside of the bathtub. Minimize active lifting of the surgical leg; use your hands or ask a family member to gently assist in placing the leg into the tub. Do not forcefully lift the leg to step over the rim.
Do not attempt to forcefully lift the surgical leg high to cross the bathtub edge; this movement causes excessive knee flexion and puts tension on the wound.
Adjust your posture to sit in the middle of the bench. Keep the knees naturally relaxed; do not force a cross-legged position or twist the knees inward. Steps for exiting the bathtub (this is critical, as many people fall and get injured here):
Maintain your seated position and move the operated leg out first: with the help of a family member, place the operated leg onto the floor outside the tub (do not lift it abruptly on your own).
Then, lift your unoperated (healthy) leg out of the tub and place it on the floor.
Scoot your buttocks back to the outer edge of the transfer bench.
Plant both feet firmly on the ground; push up slowly using your healthy leg and the grab bars, ensuring you do not put sudden, excessive weight on the operated leg.
Incorrect method: Stepping out with the healthy leg first, then forcefully lifting the operated leg over the tub rim; this easily causes excessive knee flexion, strains the incision, and leads to falls.
Tips for different post-operative stages:
0–6 weeks post-op (early stage): Knee flexion is limited and lifting the leg is difficult. Assistance is strongly recommended; prioritize showering and avoid tub baths if possible. If a tub bath is necessary, you must use a transfer bench with a family member’s help—never attempt this alone.
After 6 weeks post-op: Knee range of motion improves, and you can lift your leg slightly on your own. However, continue to avoid large movements like stepping over the tub rim; keep using the transfer bench rather than climbing directly over the edge.
Important safety precautions:
Do not let your knee turn inward or twist, and do not sit cross-legged; keep your feet facing forward while seated.
Do not stand on the transfer bench; it is intended only for seated transfers.
Keep the water temperature moderate and the bathing time reasonable; monitor the incision site and stop immediately if swelling or pain worsens.
Strictly follow your surgeon’s rehabilitation guidelines; some doctors may explicitly prohibit tub baths for a certain period post-surgery—always adhere to your doctor’s specific orders.
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