Retained Surgical Instrument or Foreign Object Claims (Never Event)

What is a retained surgical instrument or retained foreign object?

A retained foreign object refers to any surgical item,medical equipment, tools, or supplies,that is unintentionally left inside a patient’s body following a medical procedure. While strict protocols exist in every operating theatre to prevent this, these errors still occur in Irish hospitals.

In medical terms, this happens when the final count of instruments and swabs does not match the initial count, yet the discrepancy is missed, or the wound is closed before the error is realised.

In Ireland, the Health Service Executive (HSE) and the Department of Health classify the unintended retention of a foreign object as a "Never Event."

A Never Event is defined as a serious, largely preventable patient safety incident that should not occur if the available preventative measures have been implemented by the healthcare providers. Specifically, the HSE lists "Unintended retention of a foreign object in a patient after surgery or other invasive procedures" as a Serious Reportable Event (Surgical Events 1D).

Because these incidents are classified as events that should simply never happen, proving a breach of duty in these cases is often,though not always,more straightforward than in other complex medical negligence claims.

Common examples of foreign objects left after surgery

The items most frequently involved in these cases range from small, soft materials to metal surgical tools. They include:

• Surgical swabs and sponges: These are used to absorb blood and fluids. Because they soak up liquid, they can become difficult to see against body tissue.
• Needles and sharps: Suturing needles or tips of hypodermic needles that may snap off.
• Guide wires: Used to place central lines or during catheterisation, parts of the wire can sometimes shear off or be left behind.
• Surgical instruments: Clamps, retractors, or forceps, although rarer, have been documented in severe cases.
• Fragments and staples: Small pieces of equipment that break during the procedure.

Why surgical instruments or foreign objects may be left behind

It can be difficult for patients to understand how a trained surgical team could leave an item behind. It is usually the result of system failures or human error during high-pressure situations. Understanding why it happened is a key part of the legal investigation.

• Breakdowns in counting and checking processes: Surgical teams are required to perform a "swab count" and "instrument count" before, during, and after surgery. Errors occur when these protocols are rushed, interrupted, or documented incorrectly.
• Emergency and complex procedures: In life-saving emergencies or unplanned surgeries, the atmosphere in the theatre can be chaotic. The urgent focus on saving a patient’s life can sometimes lead to lapses in routine tracking protocols.
• Changes in body mass index (BMI): In patients with a higher BMI, there is a statistically higher risk of smaller items, such as swabs or needles, being obscured within the body cavity and missed during a visual sweep.
• Communication and handover risks: If there is a change of nursing or surgical staff during a long operation (shift changes), the accurate handover of the instrument count is a critical risk point. Miscommunication here is a frequent cause of retention.

Symptoms and warning signs after surgery

The physical impact of a retained object varies significantly depending on what the object is and where it is located. Some patients feel the effects immediately, while others may carry a foreign object for months or even years before symptoms manifest.

Symptoms that can appear early

If an object is left behind, the body may react immediately as it tries to reject the foreign material or as the object interferes with healing.

• Persistent, unexplained pain near the surgical site.
• Fever and signs of infection that do not resolve with standard antibiotics.
• Oozing, pus, or discharge from the surgical wound.
• Swelling or a palpable lump that feels abnormal compared to standard post-operative swelling.

Symptoms that can appear later

In some cases, the body forms a capsule of tissue around the object (encapsulation), masking it for a long time. However, symptoms can suddenly appear later due to movement or infection.

• Chronic abdominal pain or digestive issues (bowel obstruction).
• Unexplained weight loss or general fatigue.
• Fistulas: An abnormal connection between organs caused by the object eroding through tissue.
• Difficulty passing urine or bowel movements if the object is pressing on the bladder or intestines.

How retained items are usually discovered

Because the symptoms can be vague or mimic normal post-surgical recovery, retained objects are not always identified immediately by the original surgical team.

• Imaging and investigations: The most definitive way these objects are found is through medical imaging. An X-ray, CT scan, or ultrasound requested for "unexplained pain" will usually reveal the metal or radiopaque marker on a surgical swab.
• Incidental findings: Surprisingly often, retained objects are discovered years later during an investigation for a completely unrelated condition.

A patient complaining of pain after surgery is often told it is normal post-operative discomfort. Without a high index of suspicion, doctors may prescribe painkillers rather than investigating the root cause, leading to delays in diagnosis.

If you suspect something was missed, or if you have now been diagnosed with a retained object, it is helpful to write down a timeline. Note when your symptoms started, how many times you complained of pain to your medical team, and what their responses were. This history helps to establish the impact the delay has had on your health.

When retained foreign objects may raise clinical negligence concerns

Not every negative outcome in surgery is negligence, but retained foreign objects occupy a unique space in Irish medical law. Because they are classified as "Never Events," the legal burden of proof can be distinct from other claims.

The standard of care in Irish medical negligence cases

To succeed in a claim, we must prove that the care you received fell below the standard expected of a reasonably competent medical professional. In the context of retained objects, the standard is very strict: a competent team is expected to have robust counting protocols that prevent items from remaining in the patient.

Major legal elements

For a case to be successful, four main elements must be established:

1. Duty of Care: The hospital and surgeon owed you a duty to operate safely.
2. Breach of Duty: They failed in that duty by leaving an object behind.
3. Causation: This breach caused you actual harm (it wasn't just a harmless error).
4. Damages: You have suffered injury, loss of earnings, or psychological damage as a result.

The Irish pathway in retained surgical instrument cases

Claims for medical errors in Ireland are processed differently from personal injury claims arising from road traffic accidents or workplace incidents.

The Injuries Resolution Board does not resolve medical negligence cases

It is important to understand that medical negligence claims are excluded from the remit of the Injuries Resolution Board (formerly PIAB). You cannot submit an application to the Board for a retained surgical instrument. These cases must be managed through the court system or settlement negotiations, which makes instructing a specialised solicitor essential from the outset.

If you receive medical care in a public hospital, you sue the SCA

If your surgery took place in a public HSE hospital, the claim is usually handled by the State Claims Agency (SCA) under the Clinical Indemnity Scheme. The SCA manages claims on behalf of the State. Our firm has extensive experience dealing with the SCA to ensure claims are handled efficiently and that liability is admitted promptly where appropriate.

The defendants in private healthcare settings

If your surgery was in a private hospital, the claim is generally defended by a private insurer or a medical defence organisation (such as the Medical Protection Society). While the legal principles remain the same, the procedural approach can differ slightly. We handle cases involving all private consultants and clinics across Ireland.

What evidence matters most in foreign object cases

To build a robust case, we move beyond the simple fact that an object was left behind. We must gather a comprehensive suite of evidence to prove the extent of the error and the impact it has had on your life.

We will assist you in gathering the following specific records:

• Operation Note: The surgeon’s detailed written account of the procedure.
• Theatre Records and Count Sheets: These are critical. They should show the tally of swabs and instruments at the start and end of surgery. A discrepancy here,or a falsely recorded "correct" count,is primary evidence.
• Discharge Summaries: Information given to you when you left the hospital.
• Imaging Reports: Hard copies and reports of X-rays or CT scans that clearly show the foreign body.
• GP and A&E Notes: Records of your visits complaining of pain or infection post-surgery.

Independent medical expert evidence

While it may seem obvious that leaving a tool behind is negligent, the defence may argue that the surgery was so complex and life-threatening that the error was unavoidable. This is why careful expert review is necessary. We differentiate between a routine error (negligence) and a calculated risk taken during a catastrophic emergency to save a life.

We will commission a report from an independent consultant surgeon (usually from outside Ireland to ensure impartiality). This expert will review your records and provide a formal opinion for the court, confirming that the retention of the object constituted a breach of duty and detailing the medical consequences you have suffered.

Practical steps to preserve information

While we gather the technical files, you can help by keeping a diary of your recovery. Note down days where pain prevented you from working, dates of extra medical appointments, and any expenses incurred (prescriptions, travel). This practical evidence helps us value your claim accurately.

Time limits in Ireland

Strict time limits apply to all legal actions in Ireland, known as the Statute of Limitations. Generally, you have two years to issue legal proceedings for clinical negligence. If you miss this deadline, your claim may be statute-barred, meaning you cannot pursue it regardless of how serious the error was.

Late discovery

Retained object cases are unique because you might not know the object is there for five or ten years. In these situations, the two-year clock does not start ticking on the date of the surgery. Instead, it starts from your "date of knowledge."

This is the date you found out (or reasonably should have found out) that the object was inside you and that it was causing you injury. For example, if surgery was in 2020 but an X-ray reveals a retained swab in 2025, your two-year limit likely begins from that date in 2025.

Children and vulnerable patients

If the patient is a child (under 18), the time limit is paused. The two-year clock only begins to tick when they turn 18. However, a parent can bring a claim on their behalf at any time before then. Special rules also apply to patients who lack the mental capacity to instruct a solicitor.

Outcomes and impacts of a claim

The goal of a legal claim is to restore you, as best as possible, to the position you would have been in had the negligence not occurred. This involves compensation for both physical suffering and financial loss.

• Common complications: This includes damages for the pain of the infection, abscess formation, organ perforation, and the toxicity of the foreign body.
• Additional procedures: Most retained objects require a second surgery to remove them. You are entitled to be compensated for this second operation, the anaesthetic risk, and the renewed recovery period.
• Work and daily life impacts: If you lost income due to extended sick leave, or if you can no longer perform certain work duties due to permanent damage (e.g., bowel injury), these financial losses are calculated and included in the claim.
• Psychological impact: The knowledge that a foreign object was inside you can be traumatic. Many clients experience anxiety, loss of trust in medical professionals, and depression. These are valid components of your claim.

Why Michael Boylan LLP?

Choosing the right solicitor for a medical negligence case is a significant decision. You need a team that combines forensic legal skill with genuine compassion for what you have been through.

Michael Boylan LLP is widely recognised as a leading firm in the area of medical negligence litigation. We do not dabble in this area of law; it is our core focus. We understand the specific clinical protocols of Irish hospitals and the guidelines of the HSE.

When approaching retained surgical instrument matters, we take a patient-centred approach. We know that by the time you come to us, you may feel let down by the healthcare system.

• Expert-Led Analysis: We work with top-tier independent medical experts to ensure your case is backed by irrefutable clinical evidence.
• Careful Case Review: We investigate every angle, ensuring that no aspect of your suffering,current or future,is overlooked.
• Empathy and Clarity: We avoid legal jargon. We explain every step of the process in plain English so you remain in control of your case.

Frequently Asked Questions

Is a retained swab the same as a retained surgical instrument?

Legally, yes. Whether it is a soft textile swab or a metal retractor, both are foreign objects that should not be left in the body. However, the medical complications may differ. Swabs can fester and cause severe infection, while metal objects may cause perforation or internal damage. Both are grounds for a claim.

Can symptoms show up long after surgery?

Yes. It is quite common for a retained object to remain "silent" for months or years. It may eventually move, erode into a nearby organ, or become infected. If you discover an object years later, you can still bring a claim based on your "date of knowledge."

What records should I request from the hospital?

You have a right to access your medical records under Freedom of Information or GDPR. You should request your complete inpatient notes, specifically the operation notes, nursing notes, and theatre count sheets. If you instruct us, we will handle this entire process for you to ensure nothing is omitted.

Does it matter if the surgery was in an HSE or private hospital?

It does not matter regarding your right to claim,negligence is negligence regardless of the setting. However, it changes who we sue (the State Claims Agency vs. a private insurer/doctor). We have extensive experience handling claims against both public and private entities.

How long do clinical negligence cases usually take in Ireland?

Clinical negligence cases are complex and can take longer than general personal injury claims. On average, a case might take 2 to 3 years to conclude, though this varies depending on whether liability is admitted early. If the HSE or insurer admits the error quickly (which often happens in "Never Event" cases), the process can be faster, focusing only on assessing the value of the compensation.

Get in touch for expert advice

If you or a loved one has suffered due to a retained surgical instrument or foreign object, do not face the aftermath alone. These errors should not happen, and you are entitled to seek answers and redress.

Contact Michael Boylan LLP today for a confidential discussion about your circumstances. We will listen to your story, review the facts, and guide you on the best path forward with sensitivity and expertise.

*In contentious business, a solicitor may not calculate fees or other charges as a percentage or proportion of any award or settlement.