Life Scope PT BSM-1733Recalls & reported problems
Nihon Kohden Corporation · Transport Monitor, Masimo SpO2 · Class 2
Quick summary
This Nihon Kohden Life Scope PT transport monitor tracks vital signs such as blood oxygen. Of its 90 reports, 1 involves a death and 1 involves an injury. Reports mostly describe the monitor losing power or going blank, missing or inaccurate readings, and failing to start back up. One unit reportedly began smoking while in standby. Most reports describe no clinical signs or impact on the patient. No recalls name this device.
AI-generated from the FDA records on this page and checked automatically against the numbers below. Read the details before relying on it.
- Adverse event reports
- 93
- Deaths reported
- 1
- Injuries reported
- 1
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 93 adverse event reports that list this exact device (DI 04931921111833), received between Jan 18, 2017 and Sep 23, 2026 — classified as 1 death, 1 injury, 91 malfunctions.
The most frequently reported specific device problem is “Output Problem” (46 reports).
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. How this data works · Data updated Oct 13, 2026.
Reports received per month
Most reported problems
Device problems
- Output Problem46
- Incorrect, Inadequate or Imprecise Result or Readings16
- Unable to Obtain Readings14
- Display or Visual Feedback Problem8
- Application Program Problem6
- No Device Output6
- Power Problem6
- Mechanical Problem5
Patient problems
- No Clinical Signs, Symptoms or Conditions75
- No Known Impact Or Consequence To Patient12
- No Consequences Or Impact To Patient9
- Cardiopulmonary Arrest1
- No Information1
- Sepsis1
Recent adverse event reports
The 25 most recent of 93 reports, in the reporter's own words as published by the FDA.
MalfunctionSep 23, 2026Unable to Obtain Readings; Pumping Problem
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50873523 ↗MalfunctionSep 23, 2026Incorrect Measurement
The Biomedical Engineer (BME) reported the Bedside Monitor (BSM) is intermittently giving inaccurate non-invasive blood pressure (NIBP) readings, and the blood pressure pump sounds very weak. Customer indicated that multiple function tests were performed and the NIBP pump is failing when compared to a known good unit. No patient harm was reported.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50867930 ↗MalfunctionAug 31, 2026Output Problem
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50519183 ↗MalfunctionAug 27, 2026Electrical /Electronic Property Problem; Failure to Run on Battery
The Biomedical Engineer (BME) reported that the Bedside Monitor (BSM) would power off when it was undocked from a Host/Main Bedside Monitor. No patient harm was reported.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50477084 ↗MalfunctionAug 19, 2026Unable to Obtain Readings; Incorrect, Inadequate or Imprecise Result or Readings; Output Problem
The Biomedical Engineer (Biomed) reported that during setup the NIBP pump and SpO2 readings on the BSM-1733A were intermittently failing. No patient harm was reported.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50326284 ↗MalfunctionAug 18, 2026Unable to Obtain Readings; Incorrect, Inadequate or Imprecise Result or Readings; Output Problem
The Biomedical Engineer (Biomed) reported that during setup the NIBP pump and SpO2 readings on the BSM-1733A were intermittently failing. No patient harm was reported.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50309174 ↗MalfunctionAug 12, 2026No Display/Image; Display or Visual Feedback Problem
The Biomedical Engineer (BME) reported that the Bedside Monitor's screen was not displaying anything, even though the power light was green. No reports of patient harm.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50226201 ↗MalfunctionAug 4, 2026Unable to Obtain Readings; Output Problem
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50133289 ↗MalfunctionJul 27, 2026Unable to Obtain Readings; Output Problem
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50006140 ↗MalfunctionJul 16, 2026Unable to Obtain Readings; Output Problem; Power Problem; Complete Loss of Power
The Biomedical Engineer (Biomed) reported that while in patient use, the BSM-1733A was working but then for some reason, it stopped reading vitals. The BSM would then not power back on. No patient harm was reported.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 25840484 ↗MalfunctionJun 11, 2026Smoking; Temperature Problem
THE BIOMEDICAL ENGINEER (BME) REPORTED THAT THE BEDSIDE MONITOR (BSM) STARTED TO SMOKE. THE UNIT WAS IN STANDBY MODE AND NOT IN USE WITH A PATIENT. NO REPORTS OF HARM OR INJURY WERE REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 25478105 ↗MalfunctionJun 10, 2026Unable to Obtain Readings; Output Problem
THE BIOMEDICAL ENGINEER (BIOMED) REPORTED THAT THE NIBP PUMP WAS INTERMITTENTLY FAILING ON THE TRANSPORT MONITOR (BSM-1733A) WHILE MONITORING A PATIENT. BUT THE ISSUE PERSISTED. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 25459426 ↗MalfunctionJun 3, 2026Incorrect, Inadequate or Imprecise Result or Readings
THE BIOMEDICAL ENGINEER (BME) REPORTED THAT THE BEDSIDE MONITOR (BSM) WAS GIVING INCONSISTENT AND INACCURATE NON-INVASIVE BLOOD PRESSURE (NIBP) READINGS. THERE WERE NO ERROR MESSAGES. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 25385560 ↗MalfunctionMay 19, 2026Electrical /Electronic Property Problem
THE CUSTOMER REPORTED THAT THE BEDSIDE MONITOR (BSM) QI PACK WAS NOT ILLUMINATING THE WLAN OR LINK LIGHTS, ONLY THE POWER LIGHT WAS ON. THERE WAS NO PATIENT INJURY REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 25215860 ↗MalfunctionMay 8, 2026Power Problem; Complete Loss of Power
THE BIOMEDICAL ENGINEER (BIOMED) REPORTED THAT THE TRANSPORT MONITOR (BSM-1733A) DID NOT REMAIN POWERED ON WHEN UNDOCKED FROM THE HOST MONITOR. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 25124995 ↗MalfunctionApr 7, 2026Output Problem
THE BIOMEDICAL ENGINEER (BME) REPORTED THE BEDSIDE MONITOR (BSM) IS READING INCONSISTENTLY AND GIVING INCORRECT READINGS, VALIDATED INCORRECT WITH A PATIENT SIMULATOR. CUSTOMER NOTES THAT THE PLASTIC AROUND THE CONNECTOR IS DAMAGED CAUSING INTERMITTENT CONTACT ON ONE OF THE ECG PINS IN THE CONNECTOR INTEGRATED INTO THE DEVICE. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24811008 ↗MalfunctionFeb 23, 2026Output Problem
THE BIOMEDICAL ENGINEER (BME) REPORTED THAT THE BEDSIDE MONITOR WAS NOT TAKING FULL NIBP READINGS. THE NIBP WAS ONLY PUMPING TO 30-35 MMHG AND NO ERROR MESSAGES WERE DISPLAYED. TODAY, HOWEVER, THE DEVICE IS ABLE TO TAKE PROPER READINGS WITHOUT ANY ISSUES. CURRENTLY, THE DEVICE IS FUNCTIONING PROPERLY. HE WAS WONDERING WHAT MAY HAVE CAUSED THE ISSUE. SINCE THEY ARE UNABLE TO DUPLICATE THE PROBLEM, WE CANNOT DETERMINE THE ROOT CAUSE. TECH SUPPORT (TS) ADVISED HIM THAT IT IS POSSIBLE THERE WAS A FAULTY HOSE OR CUFF, OR THAT THE CONNECTIONS WERE NOT SECURED PROPERLY AT THE TIME. AT THIS TIME, HE IS UNABLE TO DUPLICATE THE ISSUE. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24423640 ↗MalfunctionJan 12, 2026Unable to Obtain Readings; Incorrect, Inadequate or Imprecise Result or Readings; Output Problem
THE BIOMEDICAL ENGINEER (BME) REPORTED THAT THE BSM-1733A WOULD NOT DETECT ECG WHILE IN PATIENT USE. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24048356 ↗MalfunctionJan 9, 2026Power Problem; Complete Loss of Power
THE BIOMEDICAL ENGINEER (BME) REPORTED THAT THE BSM-1733A RANDOMLY SHUT DOWN DURING TRANSPORT. HE CHANGED THE BATTERIES AND AFTER 10 HOURS, THE DEVICE GOT VERY HOT. AT THE TIME OF THE CALL, THE BSM WOULD NOT POWER ON. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24026121 ↗MalfunctionDec 16, 2025No Device Output; Output Problem; No Device Output; Output Problem
THE CUSTOMER REPORTED THAT THE NIBP PUMP WILL NOT INITIATE WHEN SELECTING THE NIBP FUNCTION ON THEIR BSM-1733A BEDSIDE MONITOR (BSM). THE ISSUE WAS IDENTIFIED DURING A CASE. FORTUNATELY, THE PATIENT WAS ALSO BEING MONITORED WITH AN INVASIVE BLOOD PRESSURE LINE, ALLOWING AN ALTERNATIVE READING TO BE OBTAINED. THE ISSUE WAS BROUGHT TO THE BIOMED'S ATTENTION VIA A WORK ORDER. NO PATIENT HARM WAS REPORTED. THE BIOMED TESTED THE UNIT AS A STANDALONE DEVICE AND WAS ABLE TO DUPLICATE THE ISSUE IN HIS SHOP. HE STATED HE CANNOT HEAR THE TYPICAL CLICK OR PUMP ACTIVATION WHEN INITIATING NIBP. HE SWAPPED OUT THE CUFF AND HOSE, AND THE ISSUE PERSISTED. WHEN ASKED ABOUT CUFF TYPE, HE CONFIRMED THEY ARE USING WELCH ALLYN CUFFS BUT EMPHASIZED THE CUFF IS NOT THE ISSUE, AS THE SAME CUFF WORKED PROPERLY ON ANOTHER UNIT. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23824092 ↗MalfunctionNov 26, 2025Incorrect, Inadequate or Imprecise Result or Readings; Incorrect, Inadequate or Imprecise Result or Readings
THE BIOMEDICAL ENGINEER (BME) REPORTED THAT THE BEDSIDE MONITOR (BSM) HAD ERRATIC NON-INVASIVE BLOOD PRESSURE (NIBP) READINGS. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23658094 ↗MalfunctionNov 26, 2025Power Problem; Power Problem
THE BIOMEDICAL ENGINEER (BME) REPORTED RECEIVING THE ERROR MESSAGE "CHECK INPUT UNIT BATTERY" ON A MAIN UNIT WHEN THEY DOCK THIS BEDSIDE MONITOR (BSM-1733). THE BSM-1733 WOULD NOT STAY POWERED WHEN IT WAS UNDOCKED FROM THE MAIN UNIT DESPITE USING A NEW CHARGED BATTERY. NOT IN PATIENT USE.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23657595 ↗MalfunctionNov 14, 2025Application Program Problem; Application Program Freezes or Fails to Launch; Application Program Problem; Application Program Freezes or Fails to Launch
THE CUSTOMER REPORTED THAT THE TOUCHSCREEN WAS UNRESPONSIVE. IT WILL NOT CALIBRATE, AND TECH SUPPORT (TS) TRIED WALKING HER THROUGH THE PROCESS, BUT THE TOUCHSCREEN DOES NOT RESPOND AT ALL. NOT IN PATIENT USE.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23562884 ↗MalfunctionNov 12, 2025Output Problem; Output Problem
THE CUSTOMER REPORTED THAT EXCESSIVE ARTIFACT / NOISE WAS DETECTED ON THE BSM-1733A DURING SETUP BY A NURSE. THERE WAS NO PATIENT HARM, AND THE PATIENT WAS TRANSFERRED TO ANOTHER BSM-1733A. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23536267 ↗MalfunctionOct 28, 2025Display or Visual Feedback Problem; Image Display Error/Artifact; Output Problem; Display or Visual Feedback Problem; Image Display Error/Artifact; Output Problem
THE NURSE REPORTED THAT THE INPUT UNIT SHOWED ECG ARTIFACTS. THEY WERE USING THIS UNIT WITH A G9 MONITOR AND A DOCKING STATION. NO PATIENT HARM WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 23403247 ↗
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Sources: FDA GUDID, MAUDE and Medical Device Recalls via openFDA. openFDA data is not validated for clinical or regulatory use.