Handling an EVD Product Complaint: A Distributor’s Workflow

When a hospital reports a problem with an EVD kit, the distributor's job is to capture the facts accurately, preserve the device and its lot information, pass everything to the manufacturer the same day, and keep the hospital informed until the investigation closes. The manufacturer investigates under its quality system; the distributor makes that investigation possible.

What counts as a product complaint?

In medical device quality systems, a complaint is broadly any communication that alleges a deficiency in a device's identity, quality, durability, reliability, usability, safety or performance after it has been released. The definition is deliberately wide. A nurse saying that a clamp was hard to close, a surgeon reporting that a catheter kinked, a supply chain manager noting damaged packaging, and a report of a leak at a connection are all complaints, whether or not anyone was harmed.

For a drainage system, typical complaint themes include leaks or disconnections, components that do not fit or function as expected, packaging or sterile barrier damage, labeling questions, and catheter problems during placement or use. Some reports turn out to reflect use that differs from the instructions; others reveal a real product issue. The distributor should not try to decide which it is. Every report goes to the manufacturer.

What should happen in the first 24 hours?

The early steps determine how much the investigation can learn. A clear sequence helps the rep and the distributor's quality contact act consistently:

• Confirm that the hospital has taken care of the patient and its own internal reporting; clinical decisions are the hospital's.
• Thank the reporter and record the facts as described, without interpreting them.
• Ask the hospital to keep the device, all components and the packaging, and to note the lot number and expiry date from the label.
• Check whether other units from the same lot are in the hospital or in the distributor's warehouse, and agree whether to set them aside pending the manufacturer's advice.
• Send the complaint to the manufacturer the same day, with all available information.
• Confirm to the hospital that the report has been passed on and explain what will happen next.

When the report arrives out of hours

EVDs are used around the clock, so complaints may arrive at night or over a weekend, often by text message to the rep. The rep should acknowledge the message, ask the hospital to keep the device and note the lot number, and forward the details to the distributor's quality contact immediately rather than waiting for Monday. If the report suggests a risk to other patients, for example a pattern of failures with one lot, the distributor should contact the manufacturer's emergency or after-hours contact as agreed in the distribution agreement. Every distributor should know that contact before the first kit is sold.

What information does the manufacturer need?

Incomplete reports slow investigations and sometimes make them impossible. The distributor's complaint form should capture at least the following.

For DESU products, the item and lot identify which system and components were involved: for example, the EVD-010 Series with its 31 cm ventricular catheter, measuring scale, drip chamber and drainage bag, or the EVD-020 Series used with a ventricular catheter or the lumbar drainage catheter kit.

How should a used device be returned?

A drainage system that has been in contact with CSF is potentially infectious. The hospital decides whether and how a used device can be released, following its own policies for biological material. Some hospitals decontaminate devices before release; others retain them. The manufacturer will give instructions on packaging and shipping that comply with the rules for transporting such material.

If the device cannot be returned, the investigation can still proceed using photos, the lot history and any unused units from the same lot. Unopened units from the same lot, returned from stock, are particularly valuable because they can be tested without contamination concerns.

What does the manufacturer do with the complaint?

Under ISO 13485, a manufacturer must handle complaints through a documented procedure. In practice, that means receiving and recording the complaint, evaluating whether it represents a possible device problem, investigating where needed, deciding whether the event must be reported to the authorities in the markets concerned, and determining whether corrective or preventive action is required. The investigation typically includes a review of the production records for the lot, examination of returned or retained samples, and an assessment against the risk management file maintained under ISO 14971.

DESU, which designs and manufactures in its own cleanrooms and works under an ISO 13485 quality management system, follows this kind of process. The distributor's role is to provide accurate information, respond quickly to follow-up questions and pass the manufacturer's conclusions to the hospital.

How should the distributor communicate with the hospital?

Hospitals judge suppliers by how they handle problems. A few principles help:

• Acknowledge the report promptly and give a realistic idea of the timeline.
• Do not speculate about the cause before the investigation, and do not suggest the hospital was at fault.
• Provide interim guidance only when it comes from the manufacturer.
• Share the outcome in writing, including any corrective action.
• If the investigation finds the problem relates to handling, offer support such as additional training, framed as help rather than blame.

The distribution agreement should set out who communicates what, and when, so the hospital receives one consistent message.

A simple first reply

The first written reply to the hospital can be short. It should thank the reporter, restate the facts as reported, confirm the lot number, explain that the report has been sent to the manufacturer for investigation, describe what the hospital will hear next and when, and name the person to contact with any new information. Avoid adjectives, apologies that imply fault, and any explanation of the cause. A reply like this shows the hospital that the report has been taken seriously and handled professionally.

What records should the distributor keep?

A distributor should keep a complaint log with the date, account, product, lot, description, date sent to the manufacturer, manufacturer reference and closure date. Distribution records showing which lots went to which hospitals are equally important. If the manufacturer ever needs to contact customers about a lot, those records allow the distributor to act quickly and precisely.

Reviewing the log periodically also helps. Repeated questions about the same step may point to a training need rather than a product issue, and the manufacturer will want to know about trends as well as individual reports.

Talk to a DESU product specialist

If you distribute or plan to distribute DESU drainage products, a product specialist can walk you through DESU's complaint handling process, the information we need from the field and how responsibilities are shared with partners in your market. Write to sales@desu.tr or use the contact page.