Medical Device Software Failures and the Risks of Digital Health Technology
Medical devices increasingly rely on software to monitor patients, deliver medications, and support critical treatment decisions. Infusion pumps, insulin delivery systems, and connected health monitors now play a central role in hospital treatment and everyday medical care. Yet a programming error, failed update, or communication problem can turn a device designed to protect a patient’s health into a source of serious injury.
Software-related injuries also present challenges that differ from traditional product defects. As digital medical technology becomes more common in Indiana hospitals and homes, software defects are raising new questions about patient safety and manufacturer responsibility. An Indianapolis defective medical device lawyer can examine whether a malfunction originated in the device’s programming, safety features, or manufacturer-issued updates.
Software Failures Can Affect Critical Medical Functions
Many modern medical devices contain embedded software that controls how the equipment responds to changing conditions. Programming determines medication dosages, interprets sensor readings, and triggers warnings when a device detects a problem. A problem with the software can affect the device’s response even when its mechanical components are working properly.
A software defect can interrupt those functions even though the physical equipment appears undamaged. Errors in programming logic, unexpected system shutdowns, or failures to process information correctly may cause equipment to behave unpredictably. A monitor might display an outdated reading, or a device could fail to respond to a change in the patient’s condition.
Even routine software updates can create problems. An update intended to correct an error or improve performance may interfere with functions that previously worked correctly. Problems can also develop when an updated device no longer communicates properly with other equipment involved in treatment.
The consequences depend on the device’s purpose. An interruption involving medication delivery or life-sustaining treatment can produce a medical emergency, particularly when the equipment fails to issue an appropriate warning. Patients and healthcare professionals may have little indication that something is wrong until symptoms develop or treatment is interrupted.
Infusion Pump Software Errors Can Cause Dangerous Medication Mistakes
Infusion pumps deliver controlled amounts of medication, fluids, and nutrients directly into the body. Hospitals frequently use them to administer treatments that require precise dosing over extended periods. Software errors can cause a pump to deliver medication at the wrong rate, unexpectedly stop an infusion, or fail to recognize a dangerous operating condition.
Even the software responsible for monitoring a pump’s battery can affect patient safety. A 2026 correction involving Fresenius Kabi’s Ivenix pumps addressed an error that could produce inaccurate battery readings and cause an unexpected shutdown. For patients receiving medication that must be delivered continuously, even a temporary interruption can have serious consequences.
An interrupted infusion may leave a patient without necessary medication during a critical stage of treatment. Excessive delivery presents a different danger, particularly when powerful drugs must be administered within narrow dosage limits. Both failures can require emergency intervention and lead to complications that extend beyond the original condition being treated.
Medical professionals depend on pump alarms and other safeguards to recognize problems before patients are harmed. Software defects affecting those features can delay the response to a dangerous malfunction. The resulting injury may involve the medication itself, the interruption of necessary treatment, or deterioration in a condition that had previously been stable.
Insulin Pumps and Glucose Monitoring Systems Present Unique Risks
Automated insulin pumps and continuous glucose monitors have become part of daily life for many people managing diabetes. Some systems communicate with smartphone applications to calculate insulin delivery, display readings, or issue warnings about dangerous glucose changes.
Incorrect insulin calculations can cause excessive delivery, creating a risk of severe hypoglycemia. Interrupted insulin delivery presents the opposite danger, potentially leading to hyperglycemia or diabetic ketoacidosis, a life-threatening complication associated with insufficient insulin.
The problem may originate in a connected application rather than the insulin pump itself. A recalled Tandem Diabetes Care mobile application experienced repeated crashes and restarts that increased communication with compatible pumps, drained their batteries, and created a risk of interrupted insulin delivery.
Continuous glucose monitoring systems introduce another concern. Alerts about dangerously high or low blood sugar may fail to reach a smartphone because of communication problems, application settings, or software changes. Patients who depend on those warnings could lose valuable time responding to a developing medical emergency, particularly during sleep or while alone.
Connected Medical Devices Introduce Cybersecurity Concerns
Digital healthcare technology increasingly connects medical equipment to smartphones, hospital networks, and remote monitoring platforms. Connected systems give healthcare professionals access to important patient information, but they also introduce vulnerabilities that manufacturers must address.
Cybersecurity weaknesses can expose devices to unauthorized access, compromised communications, and interference with essential functions. A compromised connection could interrupt patient monitoring, affect treatment information, or prevent equipment from responding as expected. Security problems originating within a hospital network may also interfere with connected devices.
Cybersecurity protections begin with a device’s design, but the risks continue after the equipment enters clinical use. Manufacturers may need to address newly discovered vulnerabilities through security updates, testing, and corrective measures as connected technology changes. The FDA’s updated 2026 cybersecurity guidance reinforces the importance of addressing these risks in medical device design and development.
A disruption in connected monitoring equipment may prevent healthcare professionals from receiving timely information about a patient’s condition. Problems involving devices that transmit treatment instructions can present different dangers if critical information is delayed or altered. A security vulnerability must still be connected to an actual malfunction and resulting injury before it becomes relevant to a defective medical device claim.
Evidence of Software Defects After a Medical Device Injury
A broken medical device component may leave visible evidence of what went wrong. Software-related failures are frequently less apparent, particularly when the malfunction occurs intermittently or the device resumes normal operation afterward.
A device’s electronic records may reveal an unexpected shutdown, an incorrect command, or a software error that occurred during treatment. Error logs and software version histories can help explain what happened, even if the equipment later appeared to function normally. Information about previous malfunctions involving the same model may also reveal whether a manufacturer had encountered similar problems.
Medical records provide a separate account of the injury. Hospital documentation, medication administration records, glucose measurements, and treatment notes may show whether a patient’s condition changed around the time of a suspected malfunction. A sudden change in the patient’s condition may correspond with an error recorded by the device at nearly the same time.
Software updates or device replacements can complicate an investigation by changing or eliminating electronically stored information. Identifying the software version in use at the time of the injury and preserving available device data may be critical to reconstructing the failure. Manufacturer communications and recall notices can provide additional information about previously identified defects.
Manufacturer Responsibility for Defective Medical Device Software
A software malfunction may originate in a programming decision made months or years before the device is used in patient care. A dangerous programming feature, an improperly installed software version, or inadequate warnings about known problems may each become relevant to a product liability claim.
A design defect could involve programming that permits dangerous dosing errors or lacks appropriate safeguards against foreseeable failures. Manufacturing-related concerns may arise when equipment is distributed with incorrect software or a version that differs from the intended specifications. Manufacturers may also possess information about known software limitations or necessary updates that should be communicated to healthcare professionals and patients.
Indiana defective medical device claims require evidence connecting the alleged defect to the patient’s injuries. Medical findings, technical records, and the circumstances surrounding the malfunction must support the relationship between the product’s condition and the resulting harm. Treatment costs, lost earnings, and lasting medical complications may become part of the damages associated with a serious injury.
Questions about manufacturer responsibility can become more complicated when a device has received multiple software updates or a known defect remains unresolved. An Indianapolis defective medical device lawyer can help determine whether those problems contributed to the injury and whether the manufacturer bears responsibility for the resulting losses.
Contact Lee Cossell & Feagley
If you or a loved one suffered serious injuries because an insulin pump, infusion pump, or another software-controlled medical device malfunctioned, determining what caused the failure is an important part of protecting your rights. Medical complications can leave families facing unexpected expenses, prolonged treatment, and uncertainty about future care.
Lee Cossell & Feagley, LLP represents clients in Indianapolis and throughout Indiana in claims involving defective medical devices. Contact us to speak with an experienced Indianapolis defective medical device lawyer and learn how we can hold manufacturers responsible and pursue compensation for injuries caused by dangerous products.