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Why I keep a mistake diary
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Mistake #1: A portable ultrasound with a $15,000 blind spot
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Mistake #2: The dental chair that did not fit its own room
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Mistake #3: The centrifuge and the question I was too embarrassed to ask
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Mistake #4: The paper towel dispenser that failed an infection-control check
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The checklist I use now
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Where this checklist falls short
Seven years of managing procurement for an outpatient clinic taught me an expensive truth: most equipment failures have less to do with the brand you choose than with the questions you skip. I skipped obvious ones such as “who will actually use this?” and “will it fit in that room?” and once avoided a question so basic that I am still embarrassed to type it: “how does a centrifuge work?”
Since January 2018, I have personally made and documented 14 significant procurement mistakes. Together they wasted roughly $47,000 that should have gone toward patient care. I now maintain the checklist that grew out of those mistakes, and it has caught 22 potential errors in the past 18 months.
If there is one idea to keep from this article, it is this: evaluate equipment where it will actually be used, with the people who will actually use it, before you sign. Not on a conference floor. Not on a spec sheet. In your building, with your staff.
Why I keep a mistake diary
I manage operations for a multi-specialty outpatient clinic. That means I sign off on everything from a portable ultrasound to a paper towel refill. I started documenting mistakes because after the fourth expensive error, I needed to find the pattern before my leadership did.
The pattern turned out to be simple: I rarely bought faulty products. I bought good products in the wrong context. The portable ultrasound was technically excellent and useless in our exam rooms. The dental chair had strong reviews and did not fit its operatory. The centrifuge was a quality machine configured for tests we do not run. The paper towel dispensers that failed an infection-control check were ordinary dispensers, incompatible with the people who had to refill them.
To set expectations: none of these stories ends with a vendor cheating me. They end with me making assumptions about how equipment would perform in an environment the vendor had never seen.
Mistake #1: A portable ultrasound with a $15,000 blind spot
In 2019, our clinical team agreed that adding ultrasound would reduce referral delays for a subset of patients. The request reached my desk as “a portable ultrasound.” I went to a conference in May, watched a representative produce a beautiful image on a demo screen, and signed a $26,000 order two weeks later.
What I did not check was where the machine would live. Our exam rooms have large east-facing windows. Morning sun turns many portable ultrasound screens into mirrors. Conference halls are dim by design, so no demo was going to reveal that. We hung blinds, moved the exam table, and considered switching the exam to a darker room. The core problem remained: the clinician could not see the screen well enough to trust it.
The second issue was probes. We needed a curved array probe for abdominal views; the system came with a linear probe suited to vascular work. Nobody explained the difference to me, because I did not ask. Adding the right probe later would have cost thousands more, on top of a machine we had already stopped using.
Fourteen months after purchase, we sold that portable ultrasound for $11,000. I logged $15,000 as the direct loss. The indirect costs—lost clinician enthusiasm, rescheduled patients, and the quiet “I told you so” from a provider who had questioned the purchase—never made it into the spreadsheet.
A portable ultrasound is not a bad category. It is a tool. The mistake was choosing a particular tool for a room I had not analyzed and a task I had not defined.
Mistake #2: The dental chair that did not fit its own room
In March 2021, we added a dental operatory. I spent weeks comparing dental chair specifications: recline range, load capacity, upholstery, patient comfort. On paper, the chair we selected was ideal.
Nobody measured the room while the chair was in use. The dental chair does not occupy the operatory alone. There is a delivery system, a light, an assistant’s stool, and a counter behind it. When the chair fully reclined, the headrest needed roughly 15 inches that the rear cabinetry was already using.
Fitting it required $5,200 in cabinetry changes and two weeks of postponed dental procedures. The chair itself cost $9,800. Expensive, preventable, and entirely mine.
The tempting shortcut was “the spec sheet says it fits a standard operatory, so we are fine.” That simplification ignored the rear counter, the light post, the assistant’s stool, and the door swing. Now I measure the route from delivery dock to final position—with doors closed and drawers open—for every order larger than a backpack.
Mistake #3: The centrifuge and the question I was too embarrassed to ask
In September 2022, our lab coordinator requested a centrifuge for a new in-house lab. I knew the one-sentence answer to “how does a centrifuge work?”—it spins samples so denser components settle out. What I did not know was how that translated into rotor choices, tube sizes, and speed requirements for the specific tests we planned to run.
When a vendor asked about rotor configuration, I said “standard.” I did not check with the coordinator what standard meant in her workflow. I signed a $4,200 purchase order, and the machine arrived with the vendor’s default rotor. The replacement coordinator took one look at the configuration and said, “this rotor will not work for the tests we run.”
We returned it under the vendor’s 30% restocking policy. The total avoidable cost, including freight, came to about $2,100. The worst part was not the money. The coordinator who requested the machine had known the right answer all along. I had the budget, so I made the decision without asking her.
If you are buying lab equipment and need to ask a basic question, ask it early and ask it in writing. The vendor does not mind. The person operating the machine does not mind. Your ignorance becomes expensive only when you hide it.
Mistake #4: The paper towel dispenser that failed an infection-control check
I would never have described a paper towel dispenser as a procurement risk. That is exactly why this mistake happened.
By mid-2023, I had a working checklist. I did not use it for this order, because a wall-mounted dispenser felt like a commodity. In June 2023, I bought 11 units based on the lowest unit price. The packaging said “universal.” What that meant, we discovered, was that the dispenser could accept many brands of towels. It did not mean our staff could reload it without a struggle.
The towels jammed. When a roll got low, the mechanism gripped unevenly and dispensed one torn piece at a time. Staff quietly began favoring the sinks that did not jam, which is the opposite of what an infection-prevention system should encourage. In February 2024, a walkthrough flagged one of our exam-room stations because towels were not consistently available there. The issue was not staff negligence. It was a dispenser that fought the person refilling it.
We replaced all 11 with the Mölnlycke paper towel dispenser, which we ordered through our existing Mölnlycke Health Care supply contract. It cost more than the “universal” units. I will not pretend I expected much—a dispenser is not an MRI. As of January 2025, it has not given us a single jam, and the refill routine takes about 20 seconds. That sentence should not feel remarkable. After the previous eight months, it did.
I am not an infection-prevention specialist, so I will not overstate the clinical side of hand hygiene. What I can tell you from an operations perspective is that no hand-hygiene protocol survives a dispenser that staff cannot reload easily.
The checklist I use now
The checklist has caught 22 potential errors in the past 18 months. It did not catch the dispenser mistake, because I skipped it. That was a process failure, not a problem with the questions. After the audit, I added one rule: anything going into a clinical room goes through the checklist, regardless of unit price.
- Who operates it daily? That person has to see or try the actual unit in our building, not at a conference booth.
- Where will it live? Measure the final position with doors closed, drawers open, and chairs reclined. Include the path from the delivery door.
- What consumables or accessories does it need? Probes, rotors, tubes, towels? Are they included, and will the person ordering them know they are needed?
- What does it really cost to get running? Installation, room changes, training, and removal if it fails.
- What is the written return policy after week one? Not the salesperson’s reassurance.
- Can someone explain how it works in plain language? If they cannot, that is a red flag.
The list is not brilliant. It is the list of questions I skipped. What changed is that skipping them now requires a decision instead of happening by default.
Where this checklist falls short
I don’t want to hand you a hammer and have you treat every purchase as a nail. The checklist is designed for outpatient clinic equipment and supplies—moveable machines, new supply categories, room changes. If you are buying a fixed imaging system or hospital capital equipment, the process already involves architects, regulators, and clinical engineers. My spreadsheet will not add much.
There are also moments when waiting is not possible. If a machine is genuinely needed this week, do not spend three weeks trialing it. Buy the best available option, document the risk, and move on. The goal is not zero mistakes. The goal is to make mistakes that are small enough to learn from.
Look, I still make procurement mistakes. The difference now is that the recent ones cost an afternoon, not a quarter of the budget. If you keep a mistake diary of your own, I would honestly like to see it—that is how the useful part of this job gets passed along.