510(k) Report

510(k) · Cleared

Cleared

Colpo-Master

K073053510(k) TraditionalCleared Nov 15, 200716-day reviewClass II21 CFR 884.1630

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

United Products & Instruments, Inc. · HEX Colposcope (And Colpomicroscope)

Cleared on Nov 15, 2007 as substantially equivalent to K853389 (Wallach Surgical Devices, Inc., 1985) and 2 other predicates after a 16-day review. Its family tree reaches back 2 generations to 1985.

Decided
Nov 15, 2007
Review
16 days
Class
Class II
Product code
HEX
Recalls
None
Predicates
3

Its longest line of descent runs back 2 generations to K853389 (1985). 5 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1996: 1 other ancestor1992: 1 other ancestor1990: 1 other ancestorK853389 · Wallach Zoom Colposcope · Wallach Surgical Devices, Inc. · 1985K031639 · Intermed Zoom Colposcope · Intermed Group, Inc. · 200319851990199520002005
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors K031639 · Intermed Zoom Colposcope · Intermed Group, Inc. · 2003K853389 · Wallach Zoom Colposcope · Wallach Surgical Devices, Inc. · 19850
  1. Root · 2 generations backK853389 Wallach Zoom ColposcopeWallach Surgical Devices, Inc. · 1985
  2. 1 generation backK031639 Intermed Zoom ColposcopeIntermed Group, Inc. · 2003
  3. This deviceK073053 Colpo-MasterUnited Products & Instruments, Inc. · 2007
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K853389Wallach Zoom ColposcopeWallach Surgical Devices, Inc.1985—
−1K031639Intermed Zoom ColposcopeIntermed Group, Inc.2003—
0 (this device)K073053Colpo-MasterUnited Products & Instruments, Inc.2007—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199210
199610
FIG. 1 — Lineage of K073053, 1985–2007Source: 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 HEX? 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 HEX device

  1. #1 K233043 Smart Scope® CXscore 8.4 · 4 generations · no Class I recall
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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
*K853389Wallach Zoom Colposcope
Summary page 1
…21, 2007 (2) Name of Device Trade Name: Colpo-Master Common Name: Colposcope Classification name: Colposcope (3) Equivalent legally-marketed devices. 1. Wallach Zoom K853389 2. Intermed Zoom K031639 3. Welch-Allyn K955635 (4) Description Kl%% N NOV 15 2007 (2 Kordosd peg 24> The…
Wallach Surgical Devices, Inc.1985—
*K031639Intermed Zoom Colposcope
Summary page 1
…ce Trade Name: Colpo-Master Common Name: Colposcope Classification name: Colposcope (3) Equivalent legally-marketed devices. 1. Wallach Zoom K853389 2. Intermed Zoom K031639 3. Welch-Allyn K955635 (4) Description Kl%% N NOV 15 2007 (2 Kordosd peg 24> The Colposcope consists of thr…
Intermed Group, Inc.2003—
*K955635Video Colposcope/Vertical Rolling Base/Swing Arm Stand
Summary page 1
…aster Common Name: Colposcope Classification name: Colposcope (3) Equivalent legally-marketed devices. 1. Wallach Zoom K853389 2. Intermed Zoom K031639 3. Welch-Allyn K955635 (4) Description Kl%% N NOV 15 2007 (2 Kordosd peg 24> The Colposcope consists of three main assemblies: Mic…
Welch Allyn, Inc.1996—

Also cleared against K853389: 3 other devices →

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 22 years and passes through 3 companies; a new generation was cleared every 17.8 years on median.
  • None of the 5 ancestors has a recall.
  • 3 other devices also cite its predicate K853389.

How does its category compare?

All HEX devices

HEX Colposcope (And Colpomicroscope): FDA decisions, review times, recalls and adverse event reports over 20 years. 2007, this device’s year, is highlighted.

FDA decisions per year · HEX

1in 2024

2007: 22008: 12010: 32011: 22013: 22014: 32015: 12016: 32017: 12018: 22019: 12024: 1
2007high 3 (2010) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HEX

165in 2016

2010: 129 days median2014: 211 days median2016: 165 days median
2007high 211 (2014) · low 129 (2010)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · HEX

No recall names HEX since 2007.

Adverse event reports per year · HEX

1in 2025

2008: 22011: 12014: 22019: 22020: 12021: 12024: 12025: 1
2007high 2 (2008) · low 0 (2007)2025

MAUDE reports naming product code HEX, 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
20072—00
20081—02
20090—00
2010312900
20112—01
20120—00
20132—00
2014321102
20151—00
2016316500
20171—00
20182—00
20191—02
20200—01
20210—01
20220—00
20230—00
20241—01
20250—01
20260—0—

What is it indicated for?

The UNICO Colpo-Master Colposcope is indicated for direct magnified viewing of the cervix, vagina, and external genitalia for the purpose of diagnosing abnormalities and selecting areas for biopsy

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. “K073053: Colpo-Master.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K073053

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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