510(k) Report

510(k) · Cleared

Cleared

Mucosal Impedance Measurement System

K233974510(k) TraditionalCleared Sep 6, 2024266-day reviewClass II21 CFR 876.1450

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Alandra Medical Sapi DE CV · QIS Esophageal, Mucosal, Electrical Characterization

Cleared on Sep 6, 2024 as substantially equivalent to DEN180067 (Diversatek Healthcare, Inc., 2019) and 1 other predicate after a 266-day review. Its family tree reaches back 3 generations to 1982.

Decided
Sep 6, 2024
Review
266 days
Class
Class II
Product code
QIS
Recalls
None
Predicates
2

Its longest line of descent runs back 3 generations to K820441 (1982). 5 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 3 generations backK820441 Argyle PVC Feeding TubeSherwood Medical Co. · 1982
  2. 2 generations backK150084 Argyle¿ Polyvinyl Chloride (PVC) and Kangaroo¿ Polyurethane (PU)…Covidien · 2015
  3. 1 generation backK213258 Nasogastric Feeding Tubes - ENFit Port - PVCCair Lgl · 2022
  4. This deviceK233974 Mucosal Impedance Measurement SystemAlandra Medical Sapi DE CV · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K820441Argyle PVC Feeding TubeSherwood Medical Co.1982—
−2K150084Argyle¿ Polyvinyl Chloride (PVC) and Kangaroo¿ Polyurethane (PU) Neonatal and…Covidien2015—
−1K213258Nasogastric Feeding Tubes - ENFit Port - PVCCair Lgl2022—
0 (this device)K233974Mucosal Impedance Measurement SystemAlandra Medical Sapi DE CV2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198210
201910
FIG. 1 — Lineage of K233974, 1982–2024Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in QIS? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new QIS device

  1. #1 K230056 MiVu™ Esophageal Endo Capscore 5.2 · 1 generation · no Class I recall
Get a 510(k) Report

What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*DEN180067Mucosal Integrity Conductivity (MI) Test System
Summary page 5
…sophageal tissue characterization system Regulatory Class: Class II Product Code: QIS, PIF Predicate Devices Mucosal Integrity Conductivity (MI) Test System (DEN180067) Nasogastric Feeding Tubes – ENFit Port – PVC (K213258) Reference Devices Entarik Feeding Tube (K230206) Device…
Diversatek Healthcare, Inc.2019—
*K213258Nasogastric Feeding Tubes - ENFit Port - PVC
Summary page 5
…II Product Code: QIS, PIF Predicate Devices Mucosal Integrity Conductivity (MI) Test System (DEN180067) Nasogastric Feeding Tubes – ENFit Port – PVC (K213258) Reference Devices Entarik Feeding Tube (K230206) Device Description The Mucosal Impedance Measurement System s…
Cair Lgl2022—
†K230206Entarik Feeding Tube System; Entarik Feeding TubeGravitas Medical, Inc.2023—

Also cleared against DEN180067: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 42 years and passes through 4 companies; a new generation was cleared every 6.9 years on median.
  • 1 of the 5 ancestors has a recall of any class.
  • 1 other device also cites its predicate DEN180067.

How does its category compare?

All QIS devices

QIS Esophageal, Mucosal, Electrical Characterization: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · QIS

1in 2024

2019: 12023: 12024: 1
2007high 1 (2019) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QIS

Too few QIS 510(k)s in any year since 2007 to give a median.

Recalls per year · QIS

No recall names QIS since 2007.

Adverse event reports per year · QIS

No MAUDE report names QIS since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20191—00
20200—00
20210—00
20220—00
20231—00
20241—00
20250—00
20260—0—

What is it indicated for?

The Mucosal Impedance Measurement System is indicated for use by medical personnel trained in the usage of enteral feeding tubes for the treatment of adult patients requiring gastric decompression or enteral feeding for the delivery nutrition, fluids, and medications to the patient from an enteral feeding syringe or feedings set designed with ENFit connectors. The measurements of the Mucosal Impedance Measurement System are collected in patients…

Read the full statement (125 words)

The Mucosal Impedance Measurement System is indicated for use by medical personnel trained in the usage of enteral feeding tubes for the treatment of adult patients requiring gastric decompression or enteral feeding for the delivery nutrition, fluids, and medications to the patient from an enteral feeding syringe or feedings set designed with ENFit connectors. The measurements of the Mucosal Impedance Measurement System are collected in patients indicated for enteral feeding. This product is single use for no longer than 24 hours.

The Mucosal Impedance Measurement System is equipped with sensors designed to collect and display real time and continuous gastric reactance “XL” measurements. The device is not for use as a sole diagnostic screening tool and is restricted to prescription use in a hospital environment.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K233974: Mucosal Impedance Measurement System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K233974

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026