How to Buy Medical Equipment in a Hospital: Replacement Parts, Patient Monitors, and Wheelchairs

I manage purchasing for a 142-bed community hospital. Since 2022, I've signed off on somewhere north of 1,200 purchase orders spanning radiology, critical care, labor and delivery, and patient transport. If it plugs into a wall, gets wheeled down a hallway, or keeps watch over a patient, I've probably bought one.

When I first took over this role, I treated every equipment request the same: get three quotes, compare base prices, present the lowest number, move on. I don't do that anymore. Not because price stopped mattering—it didn't—but because medical equipment isn't one category. Buying a replacement detector board is not the same decision as buying an ICU monitor, a fetal monitor, or a wheelchair. Use the same playbook for all of them, and you'll get impressive base prices with painful total costs.

Here's the framework I use now:

1. Parts and repairs for a system you already own.
2. New clinical monitors for a specific unit.
3. Patient mobility equipment used daily.

Scenario 1: Replacing Parts in Equipment You Already Own

Last fall, our radiology manager forwarded a service alert about the Hologic Selenia Dimensions mammography system. The error codes pointed to the image receptor assembly. The service tech's diagnosis was a failed detector board—listed on the quote as the Hologic image receptor accessory detector board. Not the phone call I wanted on a Tuesday morning.

My first move was to price a third-party board. It came in about 30% less, and the salesperson assured me it was “functionally identical.” I've learned to be skeptical of that phrase. I asked our clinical engineering lead to pull the Hologic Selenia Dimensions service manual before we committed. It took him twenty minutes to find the replacement procedure. The manual documents the exact part numbers for the detector assembly, the calibration steps after installation, and which steps require Hologic's own software or tools.

Would a cheaper third-party board have worked? Maybe. But we weren't willing to bet a breast cancer screening system on “maybe.” Imaging components affect image quality, and image quality affects diagnosis. That risk isn't worth a 30% discount.

The choice still wasn't automatic. I went back and forth for about a week between repairing the board and starting a capital request for a new system. Repair meant a five-figure service bill and roughly five days of downtime. Replacement meant a much larger approval process and a budget conversation nobody enjoys. The Hologic system had passed its annual physics evaluation a few months earlier, and the error log pointed to a single failed board—not a system in decline. We chose the repair and scheduled a preventive maintenance visit for the following month.

That order gave me three rules I now apply to every replacement part:

1. Open the service manual before you open the purchase order. If nobody can document the correct part number and procedure, you're not ready to buy.

2. Ask “what's not included?” before asking “how much?” The cheaper quote excluded freight and calibration support, and it carried no warranty coverage for the overall system. Once I added those line items, the savings mostly disappeared. I do not want to be the person who saved 30% on a part and paid for it twice in service calls.

3. Compare the repair against the replacement in writing. A repair makes sense when the rest of the system is healthy. If you're on your third breakdown in six months, that five-figure repair may just be a deposit on a replacement you'll need anyway.

Scenario 2: Buying New ICU Monitors and Fetal Monitors

Buying new clinical equipment is a different game. Here, the mistake isn't assuming the cheapest part will work. It's assuming all monitors are basically the same.

An ICU monitor sits at a critically ill patient's bedside and tracks cardiac rhythm, oxygen saturation, blood pressure, and respiration. It has to integrate with the nurse call system, the electronic health record, and often a central viewing station. A fetal monitor, by contrast, lives in labor and delivery. It tracks fetal heart rate and contractions using obstetric-specific transducers. Both are called monitors. They share almost nothing else.

In March 2024, we bought ICU monitors for six beds. The base price per monitor looked reasonable until we added mounting arms, extra parameter modules, network licenses, and installation. The complete cost per bed came to nearly double the base price. Our accounting manager now asks for “the complete price per bed” on every quote, and that phrase has saved us from a few misleading comparisons.

The fetal monitor purchase in January 2024 was a different version of the same lesson. One vendor's total looked lower until we compared line items. The ultrasound transducer and contraction probe—the parts that make a fetal monitor a fetal monitor—weren't included in the base quote. (Some manufacturers sell these as accessories.) The other vendor's base price was higher, but their complete package cost less.

My advice for this scenario: ask the clinical team for a list of the parameters they actually need, then send that same list to every vendor and request one all-in price per bed or per unit. If a vendor asks which accessories you want, stop and re-read the list.

Scenario 3: How to Choose a Wheelchair

Now for the request that looks easiest but rarely is.

When someone asks me how to choose a wheelchair, they usually expect a brand or model recommendation. But the wheelchair itself is rarely the real variable. The real variables are the person using it, the environment it will be used in, and the people who have to push or lift it.

Before comparing wheelchair quotes, answer these three questions:

1. Will the user self-propel? If yes, choose a self-propelled wheelchair with hand rims. If an attendant will do the pushing, a transport chair is lighter, cheaper, and easier to steer.
2. Where will it be used? Smooth indoor hallways don't demand the same wheels as outdoor paths or uneven surfaces. Match the chair to the floor, not to a brochure.
3. Who handles it when it's empty? This is the question I almost missed. Our transport team pointed out that our older steel chairs were causing shoulder strain, so we moved to lighter aluminum frames. They cost about 15% more. The reduction in staff strain has been worth it.

The most expensive wheelchair is the one that ends up in a storage closet because it's uncomfortable, hard to push, or impossible to lift. And before you pick the lowest quote, ask whether the seat cushion, footrests, and anti-tip bars are included. In our first big wheelchair order, one vendor's price included them. The other's didn't.

Which Scenario Are You In?

If you're not sure, run your purchase through these questions:

1. Are you repairing or maintaining a system you already own? Start in Scenario 1: verify the part against the service manual and compare repair versus replacement.
2. Are you buying a new monitoring or diagnostic device for a clinical unit? Start in Scenario 2: define the parameters, then demand complete itemized pricing.
3. Are you buying something a patient will use for mobility every day? Start in Scenario 3: begin with the user, the environment, and the staff who handle it.

If none of those fits, you're probably in a capital project. The same rule applies. Ask every vendor what is not included in their number.

That question—what's not included?—has never led me wrong. I do not ask it because I distrust vendors. I ask it because a complete number is the only number I can defend to finance. The vendor who lists every fee upfront, even when their total looks higher, has usually been the cheapest choice in the end.

Product examples and pricing reflect purchases reviewed at one U.S. community hospital (2022–2025). Current prices, service terms, and documentation will vary; verify quotes and replacement procedures with your vendor and biomedical engineering team.