Because AAOS and HSS both name this first on their equipment lists — and reaching down to check your bowl shape isn't easy right now.
HealthSmart Round Toilet Seat Riser
The clamp-on riser that fit either bowl shape is out of stock as of 6 August 2026 — so bowl shape decides the buy now. This is the round-bowl fit; the elongated match is one tap below.
- 30-second check: about 16–16½" from the mounting bolts to the bowl's front edge means round, about 18–18½" means elongated.
- $27.99 as of 6 August 2026, 300 lb. weight cap — rests on the existing bowl rim, no tools.
- Buy the wrong shape and it rocks or won't seat flush — the most common return reason for any raised seat.
The count: Of the five raised-seat options we checked, the only one that fit either bowl shape without measuring — the HealthSmart locking riser — is out of stock as of 6 August 2026. With that option gone, this card leads with the 30-second measurement instead; if you mainly need push-up support rather than extra height, the toilet safety frame below skips the measuring question entirely.
One flaw (not a dealbreaker): Not compatible with elongated bowls — the listing says so outright. Measure first; if your toilet is elongated, use the Carex riser below instead.
“The loo raiser seat has also been amazing, still using it.”
— a BoneSmart forum member, 7 weeks into THR recovery
Elongated bowl? The Carex elongated-fit riser ($38.39 as of 6 August 2026) →