510(k) Report

510(k) · Cleared

Cleared

Denver Ascites Shunts, Denver Ascites Shunt Percutaneous Access Kits

K973129510(k) TraditionalCleared Mar 17, 1998208-day reviewClass II21 CFR 876.5955

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

Denver Biomaterials, Inc. · KPM Shunt, Peritoneal

Cleared on Mar 17, 1998 as substantially equivalent to K894756 (Codman & Shurtleff, Inc., 1989) and 1 other predicate after a 208-day review. Its family tree reaches back 1 generation to 1989.

Decided
Mar 17, 1998
Review
208 days
Class
Class II
Product code
KPM
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K894756 (1989). 2 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1994: 1 other ancestorK894756 · Denver Peritoneo-Venus Shunt · Codman & Shurtleff, Inc. · 19891985199019952000
Other ancestors, by generation 1 generation back: 1 other ancestor K894756 · Denver Peritoneo-Venus Shunt · Codman & Shurtleff, Inc. · 19890
  1. Root · 1 generation backK894756 Denver Peritoneo-Venus ShuntCodman & Shurtleff, Inc. · 1989
  2. This deviceK973129 Denver Ascites Shunts, Denver Ascites Shunt Percutaneous Access KitsDenver Biomaterials, Inc. · 1998
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K894756Denver Peritoneo-Venus ShuntCodman & Shurtleff, Inc.1989—
0 (this device)K973129Denver Ascites Shunts, Denver Ascites Shunt Percutaneous Access KitsDenver Biomaterials, Inc.1998—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
FIG. 1 — Lineage of K973129, 1989–1998Source: 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 KPM? 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 KPM device

  1. #1 K231096 Automatic Continuous Effusion Shunt (ACES)…score 5.9 · 1 generation · no Class I recall
Get a 510(k) Report

What was it cleared against? (3)

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
*K894756Denver Peritoneo-Venus Shunt
Summary page 1
…rcutaneous Access Kits. The devices have the same intended use, materials, configuration and dimensional specifications as the currently marketed Denver® Ascites Shunts (K894756) and Denver® Ascites Shunt Percutaneous Access Kits (K913728). The devices differ in that: 1) The devices covered by this submi…
Codman & Shurtleff, Inc.1989—
*K913728Denver (R) Peritoneo-Subclavian Shunt
Summary page 1
…e, materials, configuration and dimensional specifications as the currently marketed Denver® Ascites Shunts (K894756) and Denver® Ascites Shunt Percutaneous Access Kits (K913728). The devices differ in that: 1) The devices covered by this submission undergo a surface treatment as part of the manufacturin…
Denver Biomedicals, Inc.1994—
*—Smith & Nephew Ventilation Tubes
Named without a submission number
—

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?

  • None of the 2 ancestors has a recall.

How does its category compare?

All KPM devices

KPM Shunt, Peritoneal: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KPM

1in 2023

2017: 12023: 1
2007high 1 (2017) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KPM

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

Recalls per year · KPM

No recall names KPM since 2007.

Adverse event reports per year · KPM

1in 2025

2007: 22008: 32009: 12010: 12011: 12012: 12013: 682014: 12017: 22022: 22023: 12024: 42025: 1
2007high 68 (2013) · low 0 (2015)2025

MAUDE reports naming product code KPM, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—02
20080—03
20090—01
20100—01
20110—01
20120—01
20130—068
20140—01
20150—00
20160—00
20171—02
20180—00
20190—00
20200—00
20210—00
20220—02
20231—01
20240—04
20250—01
20260—0—

What is it indicated for?

Drainage of persistent ascites from the abdominal cavity into the venous system, for use in patients with:

*chronic liver disease whose ascites has not responded to surgical correction of their portal hypertension nor to standard medical management

*persistent ascites who are not considered candidates for portal-venous shunting

*persistent ascites which is non-responsive to standard medical management

*primary or metastatic intra-abdominal neoplasms with massive ascites to help relieve intra-abdominal pressure

*persistent ascites with hepatorenal syndrome, chylous ascites, and idiopathic ascites

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. “K973129: Denver Ascites Shunts, Denver Ascites Shunt Percutaneous Access Kits.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K973129

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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