Knee Replacement Recovery: What You Actually Need, Week by Week

What gets hard, when it gets hard, and the equipment that answers it — checked against what 265 people who had this surgery actually say.

Reviewed by Erin Rose — healthcare price-transparency analyst. Last checked .

A knee replacement does not stop you bending — it stops you taking weight, and it swells. That is the whole shape of the first six weeks, and it is why the equipment that matters here is not the equipment a hip patient needs. Below is what changes at each stage and what answers it. Plan on roughly $200–250 for the core items, as of July 2026 (always check current prices on Amazon).

What patients actually say

We read 1,768 posts from 265 people who had a knee replacement, across 202 discussion threads (November 2011 to August 2026). Icing is mentioned by 220 of them — more than any other single thing. A reacher or grabber is mentioned by 7.

That gap is the reason this page is organised the way it is. Counts are per person, not per post, so a prolific poster counts once — and they are a floor, since someone can use a walker without ever writing the word.

Source: VerifiedCareData patient-account corpus v1 — see How we know, below

Every pick here is checked three ways — Medicare’s own coverage and fee data, named hospital discharge instructions, and the patient corpus above — how we choose →

Before surgery: get the icing sorted, and somewhere to sit

The two things you cannot improvise on day one. Order these before you go in.

Icing is the single most-discussed part of knee recovery in our corpus — 220 of 265 people (83%) mention it, and 112 (42%) specifically discuss a circulating cold-therapy machine rather than packs. People describe doing it near-constantly, not in the tidy twenty-minute blocks the leaflets suggest.

“Icing is very helpful with pain so pretty much doing that constantly.”

— Elf1, BoneSmart, 2025-02-12

Elevation is the other half, and here the corpus disagrees with the standard advice in a way worth knowing before you buy a wedge: several people found elevating above heart level genuinely painful in the first weeks.

“I had problems elevating toes above the nose in the beginning because it hurt too much.”

— Jockette, BoneSmart, 2021-07-22
REVIX Reusable Gel Ice Packs for Knee (2-Pack)

Because good ice is what lets you sleep.

The ice packs

REVIX Reusable Gel Ice Packs (2-Pack)

Buy two, so one's always in the freezer — the forums' most-named essential.

  • Knee-shaped wraps with elastic straps — no separate sleeve needed.
  • Freeze-and-swap — no pump, no batteries, nothing to break.
  • Most recovery-forum posts we tracked call gel packs enough on their own.

The count: Checked four cold-therapy options on file — three motorized or gravity-fed machines running $99–$200, plus this; it's the only one with nothing to plug in, wind, or break, and gel packs are what recovery-forum posts named most often as enough on their own.

One flaw (not a dealbreaker): No continuous cold — you're swapping packs from the freezer every couple hours instead of a machine holding a steady temperature.

“Four rectangular gel packs — mine attached with a sleeve and stretchy velcro band, worked great.”

— a BoneSmart forum post, 4 weeks post-op (hip-replacement recovery thread)
See the REVIX Reusable Gel Ice Packs (2-Pack) on Amazon →

See the full ice-therapy comparison →

Aircast Cryo/Cuff System (Compression + Cold Therapy, Knee)

Because gel packs work for most people — this is for the days they're not quite enough.

Ice therapy machine

Aircast Cryo/Cuff System (Compression + Cold Therapy, Knee)

Holds a steadier cold than gel packs — most people don't need it.

  • Gravity-fed cold plus an inflatable compression cuff for swelling.
  • The device many surgical practices actually hand out post-op.
See the Aircast Cryo/Cuff System (Compression + Cold Therapy, Knee) on Amazon →

Gel packs vs. machine — the full comparison →

HOMBYS Leg Elevation Pillow for After Surgery, Knee Replacement & Recovery

Because keeping your leg propped up is what keeps the swelling — and the ache — down at night.

The wedge pillow

HOMBYS Leg Elevation Pillow

Pillow under your calf, not your knee — raises your leg above your heart.

  • 27" × 11.6" × 9" wedge — fits most beds and couches.
  • Elevating above heart height is the standard swelling-control instruction.
  • Wedge or leg-elevation pillows came up in 3 of the 31 recovery-forum posts we analyzed — for the same reason: keeping the leg propped above heart height.

The count: We've verified one leg-elevation pillow against a live Amazon listing so far — call this one vetted, not the winner of a field we checked; the listing itself confirms 27" × 11.6" × 9", sized to prop a calf above heart height on most beds and couches.

One flaw (not a dealbreaker): No HCPCS code exists for a wedge or leg-elevation pillow, so Medicare never bills for it under any circumstance.

See the HOMBYS Leg Elevation Pillow on Amazon →

See the cited leg-elevation instruction →

Gorilla Grip Patented Bath Tub Shower Mat, Suction Cups and Drain Holes, 35x16 Inch

Because a wet floor and a new knee are a bad combination — this is the cheap insurance.

Non-slip bath mat

Gorilla Grip Bath Tub Shower Mat

A cheap extra layer of grip under your shower chair or bench.

  • 35" × 16" mat with suction cups and drain holes.
  • Machine washable — stays flat instead of curling up.
See the Gorilla Grip Bath Tub Shower Mat on Amazon →

Week 1: the walker, the bathroom, and a lot of swelling

You can bend. You cannot take weight, and the swelling is bigger than most people expect.

112 of the 265 people in our patient corpus (42%) mention this. It is the week-one tool, and almost nobody in the corpus is still using it at six weeks. The swelling, not the pain, is what people say surprised them.

“More stiffness, bruising, swelling than pain - elevate and ice!”

— Jacimarble, BoneSmart, 2025-10-12

The part nobody warns you about: sleep

Sleep is one of the three most-discussed things in the whole corpus, behind only icing and physical therapy — 120 of the 265 people (45%) raise it, more than mention a walker. It is not a product problem and mostly it is not solvable by buying anything, which is exactly why a shopping list will not tell you about it.

“I am exhausted, cannot get enough rest or sleep which makes it difficult to do anything else I need to do like pay bills, cook, etc.”

— TurtleKnee, BoneSmart, 2024-12-25

“Had to stop taking Tramadol because of raging insomnia (6 hours sleep in 72 hours) and nausea.”

— Rain Dancer, BoneSmart, 2021-07-23

Two practical things come out of the accounts. People end up sleeping propped rather than flat, often in a chair for the first weeks — which is why a recliner comes up so often. And medication is frequently the culprit rather than the knee: several describe insomnia that resolved when a specific painkiller was changed. That is a conversation with your surgeon or pharmacist, not a purchase, and we are not going to pretend otherwise.

Bathroom equipment is where this page differs most from a hip-replacement checklist. A raised toilet seat is mentioned by only 17 of 265 people (6%) and a shower seat by 20 (8%) — useful if your toilet is low or your shower has a step, and skippable if not. Measure before you buy either.

Drive Medical Two-Button Folding Walker with Wheels, Height Adjustable

Because stairs and hallways come before strength does.

The walker

Drive Medical Two-Button Folding Walker

The standard folding walker most people go home with.

  • Two-button release folds one-handed — no bending to unlock.
  • 350 lb. weight cap, 5" front wheels roll over carpet.
  • Classified E0143 in Medicare's own DMECS walker registry.
  • Walkers came up in 5 of the 31 recovery-forum posts we analyzed — more often as something borrowed than bought new.

The count: We started from the 1,626 walkers in Medicare's own device classification registry (data/dmecs_products.json) and checked 5 folding and rollator options ourselves — this two-button Drive is the only one of the five with no seat, the plain pattern Medicare's E0143 code was built around, not a rollator with extra parts to break.

One flaw (not a dealbreaker): No seat — if you'll want rest breaks mid-hallway, see the rollator options in our walker comparison.

See the Drive Medical Two-Button Folding Walker on Amazon →

See the full walker comparison →

HealthSmart Enhanced Comfort 5" Raised (Round) Toilet Seat Riser

Because the toilet is the hardest thing in the house on day two.

The toilet seat — measure first

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 post, 7 weeks post-op (hip-replacement recovery thread)
See the HealthSmart Round Toilet Seat Riser on Amazon →

Elongated bowl? The Carex elongated-fit riser ($38.39 as of 6 August 2026) →

See the full raised-toilet-seat comparison →

Medline Shower Chair with Backrest and Padded Armrests

Because standing and balancing on one leg isn't happening yet — you need something to sit on.

The shower seat

Medline Shower Chair with Backrest

Backrest and arms give you something to push off, not just balance on.

  • 350 lb. weight cap, padded armrests and backrest.
  • Height adjusts in 1" steps, 16"–21", to fit your stall.
  • No Medicare coverage for shower chairs, by law — budget accordingly.

The count: Checked four shower seats in this category; this is the one built for a standard walk-in shower with a full backrest and padded arms — the backless stool skips the back, the tub bench is for stepping over a tub wall, and the bariatric bench costs more for capacity most people don't need.

One flaw (not a dealbreaker): Made for a walk-in shower — if your only bathing option is a tub with a wall to step over, this won't help; see the tub transfer bench instead.

“My large walk-in shower — I wouldn't have been able to climb over a bath.”

— a BoneSmart forum post (hip-replacement recovery thread)
See the Medline Shower Chair with Backrest on Amazon →

Also good for less: backless shower stool ($30.79) →

See the full shower-chair & tub-bench comparison →

Medline Adjustable Steel Drop-Arm Bedside Commode, Portable Bedside Toilet, 350 lb Weight Capacity

Because a hallway that used to take ten seconds can feel like a mile at 2 a.m.

Bedside commode

Medline Adjustable Steel Drop-Arm Bedside Commode

Shortens the bathroom trip — for stairs or a hallway that feels too far at night.

  • 350 lb. weight cap; drop-down arms make a bed-to-commode transfer easier without twisting.
  • HCPCS E0163 — one of Medicare's covered commode codes.
  • Medicare fee runs $60.15–$139.61 with a prescription.
See the Medline Adjustable Steel Drop-Arm Bedside Commode on Amazon →

See what Medicare pays for this →

DMI Walker Tray, Rollator Tray with Two Cup Holders, Fits Most Standard Walkers

Because both hands are on the walker, and nothing else gets carried.

Walker tray

DMI Walker Tray

Both hands are on the walker — this is where a drink actually rides.

  • Two cup holders, tool-free assembly, fits most standard walkers.
  • 16" × 11.8" tray — big enough for a plate too.
See the DMI Walker Tray on Amazon →

Two things people arranged that are not equipment

Someone at home. 23% of the corpus mentions a partner, family member or paid carer — usually in the context of the first week, and usually for getting to the bathroom at night rather than for anything medical. If you live alone, that is the gap to plan around, and it is a bigger one than any item on this page.

Stairs. 22% raise stairs. If your bedroom or only bathroom is upstairs, decide before surgery whether you are sleeping downstairs for a few weeks — people who had not thought about it describe it as the thing that caught them out.

Weeks 2 to 6: trading the walker for a cane

The transition almost everyone in the corpus describes — and the one item we do not yet have a verified pick for.

The clearest pattern in the whole corpus is the handover from walker to cane: 87 of 265 people (33%) mention a cane, more than mention a shower seat and a raised toilet seat combined. It is a milestone people mark, and it happens indoors first.

“And, I graduated to a cane around the house within a few days, but used the walker outside, then replaced the walker with crutches outside and still used the cane inside.”

— BBCG, BoneSmart, 2021-07-24

“I switched to the cane when I didn’t need to put any real weight on it, and used it as a safety device and to help my balance.”

— WFD, BoneSmart, 2024-10-28

We do not have a verified cane pick yet, and we are not going to invent one. A cane is the most-mentioned item on this page that this site has never researched — no fitment data, no Medicare check, no live-verified listing. Until it has all three it does not get a card here. Ask your physical therapist about height and grip at the session where they clear you for it; that is the moment it matters.

The same applies to a recliner, which 53 of 265 people (20%) mention — several of them sleeping in one for weeks. If you already own one, that is your chair. We have not researched buying one.

Xpand No Tie Elastic Shoe Laces for Sneakers

Because bending down to tie a shoe is off the table for a while.

Elastic laces

Xpand No-Tie Elastic Shoelaces

Turns any lace-up shoe into a slip-on — no bending to tie.

  • Stretches to fit, no tying — your knee can't bend that far yet.
  • Works on sneakers and most lace-up walking shoes.
See the Xpand No-Tie Elastic Shoelaces on Amazon →
Drive Medical Tub Transfer Bench for Bathtub, Height Adjustable

Because stepping over a tub wall is exactly the motion your knee can't do yet.

Tub transfer bench

Drive Medical Tub Transfer Bench

Sit outside the tub, then slide across — no lifting your leg over the wall.

  • 350 lb. weight cap, dual-column legs adjust in 0.5" steps.
  • Drainage holes and suction-cup feet for a wet tub floor.
  • Classified E0247 in HCPCS — still $0 from Medicare, by law.
See the Drive Medical Tub Transfer Bench on Amazon →

See the full shower-chair & tub-bench comparison →

What knee patients don't need — but hip patients do

The most useful thing the corpus told us was which items to take off this page.

A reacher, a grabber and a sock aid are standard on hip-replacement checklists, and they are on a lot of knee checklists too — including, until this update, ours. The corpus says knee patients barely touch them: a reacher or grabber is mentioned by 7 of 265 people (3%) and a sock aid by 5.

The reason is mechanical, and it is the difference between the two operations. Hip precautions stop you bending past 90 degrees, so you cannot reach your own feet — hence the reaching tools. A new knee bends; it just will not take weight. So the knee equivalent of a hip kit is not a hip kit. It is ice and something to elevate on.

Medline Premium Hip Kit, Mobility Aids for Hip Surgery Recovery, 7-Pieces, 26" Grabber Reacher, Shoehorn, Sock-Aid, Dressing Stick, Shoelaces, Bath Sponge

Because 7 of the 265 people in our corpus mention one, and the reason is the operation you are having.

The reacher — only if you live alone

Medline Premium Hip Kit (7-piece)

Cheaper than buying a reacher, sock aid, and shoehorn separately.

  • 7 pieces: reacher, shoehorn, sock aid, dressing stick, laces, sponge.
  • 26" grabber reaches your feet when your knee won't bend.
  • $39.99 for all seven vs. $59.91 buying three alone.

The count: Checked four reacher and hip-kit options; this is the only one that bundles all four pieces (reacher, sock aid, shoehorn, dressing stick) for less than buying them separately — $39.99 here vs. $59.91 for those three alone.

One flaw (not a dealbreaker): Marketed for hip surgery, not knee — but the four pieces that matter most (reacher, sock aid, shoehorn, dressing stick) are exactly what a knee recovery needs too.

“The most useful piece of equipment I've had is the grabber. They are genius and stop you feeling helpless.”

— a BoneSmart forum post, 7 weeks post-op (hip-replacement recovery thread)
See the Medline Premium Hip Kit (7-piece) on Amazon →

Also good for less: the reacher alone if you already have a shoehorn and sock aid ($29.95) →

See the full reacher & hip-kit comparison →

Both are kept on the page because a minority genuinely want them — if you live alone, or you are having a knee and a hip done close together, a grabber earns its keep. They are no longer presented as essentials.

How we know this

Every recommendation above has to survive independent checks. None of them is our opinion.

  1. Medicare’s own data. Whether the item is covered, what it pays, and how many were billed nationally — from the CMS DMEPOS fee schedule, the HCPCS Level II file and DY2024 utilization, queried directly rather than through a third party’s summary. Published as an open dataset.
  2. Named hospital instructions. Clinical claims are quoted from a named institution’s own discharge or patient-education material and linked, never paraphrased into fact. Where sources disagree, the page says they disagree instead of picking one.
  3. 1,768 posts from 265 people who had this surgery, across 202 threads on the BoneSmart Joint Replacement Patient Forum, November 2011 to August 2026. Counted per person rather than per post, so the handful of very prolific posters cannot distort a total. Excerpts are short, attributed, and linked back to the thread they came from.

What that corpus is not. People who post on a recovery forum are self-selected — more prepared than average, and often posting because recovery is going badly. The counts are a floor, not a census: someone can use a walker for six weeks and never write the word. And a mention is not an endorsement — we count who raised a thing, then read the posts to see what they said about it. Whether an item was recommended or rejected is read by a person, because pattern-matching that judgement was tested and got it wrong.

The corpus is published in full at /data/patient-corpus-v1.json under CC BY 4.0, alongside the rest of our datasets. More about who writes this and how →

Go deeper

Eight follow-up pages cover the questions that come up most — sequencing, coverage detail, and the borrow-vs-buy calls worth thinking through further.

What Medicare actually pays for after knee replacement

Every fee, every claim count, the prescription gate, and the 5-year rule — no affiliate links on this page.

Bathroom equipment: what actually helps

Shower chairs, raised seats, and grab bars — fitment pointers for the zero-Medicare-claims bath cluster.

Walker vs. cane vs. crutches

How the three sequence week by week, and what Medicare pays for each.

Rent vs. buy: knee scooter, ice machine, hospital bed

The break-even math for the three items people are most likely to overspend on.

Do I really need an ice machine?

The rent-vs-buy math on cold-therapy units versus a bag of gel packs.

How do I sleep after knee replacement?

Leg positioning, elevation, and the cited pillow-placement instruction.

What the hospital gives you (and what you still need)

Where the hospital/SNF hand-off leaves a gap once you’re home.

The borrowing checklist: check recalls first

What’s fine to borrow, what to check first, and what to never borrow unchecked.
This is an equipment and cost-coverage guide, not medical advice. It doesn't cover physical therapy, weight-bearing status, or any other instruction that should come from your surgeon or care team — follow their discharge instructions over anything here.
See the full printable checklist — all 23 items, every phase ↓

The complete before-surgery / week-1 / weeks-2–6 timeline, with every item's coverage flag and HCPCS code. This is what prints when you use the button up top.

Covered w/ Rx Medicare Part B typically pays toward this with a doctor's order (20% coinsurance + Part B deductible apply; supplier must be Medicare-enrolled).
Buy Not billed as DME under Medicare -- bought retail.
Rent Usually rented short-term rather than bought or billed to Medicare.
Borrow — check recall Commonly borrowed secondhand -- check the model/brand against the CPSC recall list before use.
The full 23-item knee-replacement checklist
ItemCategoryPhaseFlagHCPCS
Folding wheeled walker Getting around Before surgery Covered w/ Rx E0143
Raised toilet seat Bathroom Before surgery Buy E0244
Shower chair or bench Bathroom Before surgery Buy E0240
Tub transfer bench Bathroom Before surgery Buy E0247
Tub or toilet grab bar Bathroom Before surgery Buy E0246
Wedge pillow / leg-elevation cushion Sleeping Before surgery Buy —
Hospital bed (only if stairs are a problem) Sleeping Before surgery Covered w/ Rx E0260
Portable bed rail Sleeping Before surgery Borrow — check recall —
Gel ice packs (2-4) Ice & swelling Before surgery Buy —
Sock aid Dressing Before surgery Buy —
Long-handled shoehorn Dressing Before surgery Buy —
Elastic no-tie shoelaces Dressing Before surgery Buy —
Reacher / grabber tool Kitchen & carrying Before surgery Buy —
Walker bag, basket, or apron with pockets Kitchen & carrying Before surgery Buy —
Portable bedside / over-chair table Kitchen & carrying Before surgery Buy —
Crutches (forearm or underarm) Getting around Week 1 Covered w/ Rx E0114
Recliner / lift chair Getting around Week 1 Covered w/ Rx E0627
Bedside commode Bathroom Week 1 Covered w/ Rx E0163
Body pillow / positioning pillow Sleeping Week 1 Buy —
Cold therapy (cryo) machine (optional) Ice & swelling Week 1 Rent —
Dressing stick Dressing Week 1 Buy —
Cane Getting around Weeks 2–6 Covered w/ Rx E0100
Knee scooter (optional) Getting around Weeks 2–6 Rent E0118
What Medicare pays

Medicare covers 6 of the 23 items on this knee-replacement equipment checklist with a doctor's prescription.

Every bathroom-safety item on this checklist — shower chairs, tub benches, and raised toilet seats — pays zero Medicare dollars, by law, regardless of prescription.

Source: CMS DMEPOS Fee Schedule, July 2026 (DME26-C) + CMS DMEPOS utilization by Geography/Service, DY2024

See every fee, every code, and the prescription rules →

This page has Amazon links — we may earn a commission if you buy through them, at no extra cost to you. It never changes which product we recommend. See our methodology.

Sources

  1. CMS DMEPOS Fee Schedule, July 2026 release (DME26-C) — purchase-fee ranges cited throughout this checklist
  2. CMS HCPCS Level II quarterly file, July 2026 release — code descriptions
  3. CMS DMEPOS utilization by Geography and Service, DY2024 — national claim counts and totals; live data.cms.gov API
  4. Walkers – DME MAC Policy Article (A52503)
  5. Commodes – DME MAC Policy Article (A52461)
  6. Palmetto GBA DMECS Product Classification List (PDAC) — walker/rollator HCPCS classification lookups (E0143, E0247, etc.), live GET requests — full sourcing detail in our methodology
  7. CPSC SaferProducts.gov recall database — 39 adult portable bed rail recalls, deaths mentioned in 6 of them — see Borrow or skip above
  8. Amazon Creators API — live product search/detail lookup for every pick above — ASIN, price, and image, each stamped with the date captured; full verification process in our methodology
  9. VerifiedCareData dataset.json (CC-BY-4.0) — every HCPCS code, fee range, and recall count above in one machine-readable endpoint
  10. General lower-extremity joint-replacement recovery forum commentary (BoneSmart, AgingCare) — predominantly hip/THR-skewed — see our methodology for the full scope caveat