510(k) Report

510(k) · Cleared

Cleared

Laryngeal Augmentation Implant

K033398510(k) TraditionalCleared Dec 12, 200349-day reviewClass II21 CFR 874.3620

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

Bioform, Inc. · MIX System, Vocal Cord Medialization

Cleared on Dec 12, 2003 as substantially equivalent to K013243 (Bioform, Inc., 2002) and 2 other predicates after a 49-day review. Its family tree reaches back 5 generations to 1992. 10 later devices descend from it.

Decided
Dec 12, 2003
Review
49 days
Class
Class II
Product code
MIX
Recalls
None
Predicates
3

Its longest line of descent runs back 5 generations to K913882 (1992). 23 ancestors in all, the oldest K852682 (1985). 10 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2003: 1 other ancestor1994: 1 other ancestor2000: 1 other ancestor1999: 1 other ancestor1998: 3 other ancestors1995: 2 other ancestors1992: 1 other ancestor1991: 1 other ancestor1986: 1 other ancestor1985: 3 other ancestors1996: 3 other ancestors2006: 1 descendant cleared2008: 2 descendants cleared2007: 1 descendant cleared2009: 3 descendants cleared2018: 1 descendant cleared2013: 1 descendant cleared2024: 1 descendant clearedK913882 · Zara Silicone Block · Byron Medical · 1992×2: 2 generations cleared close together, K970910 (1997), K972317 (1997) K982294 · Xomed Silicone Pre-Form Blocks · Xomed, Inc. · 1998K013243 · Coaptite Laryngeal Augmentation System 1CC & O.5CC, Models 0008021-1, 0008022-1 · Bioform, Inc. · 2002 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 11 other ancestors3 generations back: 1 other ancestor4 generations back: 4 other ancestors 1 generation forward: 2 descendants2 generations forward: 4 descendants3 generations forward: 3 descendants4 generations forward: 1 descendant K013243 · Coaptite Laryngeal Augmentation System 1CC & O.5CC, Models 0008021-1, 0008022-1 · Bioform, Inc. · 2002 · recalledK982294 · Xomed Silicone Pre-Form Blocks · Xomed, Inc. · 1998K972317 · Montgomery Thyroplasty Implant System · Boston Medical Products, Inc. · 1997K970910 · Xomed Silicone Block/Strip · Xomed, Inc. · 1997K913882 · Zara Silicone Block · Byron Medical · 1992−50
  1. Root · 5 generations backK913882 Zara Silicone BlockByron Medical · 1992
  2. 4 generations backK970910 Xomed Silicone Block/StripXomed, Inc. · 1997
  3. 3 generations backK972317 Montgomery Thyroplasty Implant SystemBoston Medical Products, Inc. · 1997
  4. 2 generations backK982294 Xomed Silicone Pre-Form BlocksXomed, Inc. · 1998
  5. 1 generation backK013243 Coaptite Laryngeal Augmentation System 1CC & O.5CC, Models…Bioform, Inc. · 2002 · Recalled
  6. This deviceK033398 Laryngeal Augmentation ImplantBioform, Inc. · 2003
  7. Descendant · cites it directly · 6 of its ownK060815 Juliesse Injectable Laryngeal Augmentation ImplantBioform Medical, Inc. · 2006 · Recalled
  8. Descendant · 2 generations on · 5 of its ownK070090 Radiesse Laryngeal ImplantBioform Medical, Inc. · 2007
  9. Descendant · cites it directly · 4 of its ownK071663 VF Gel PlusCoapt Systems, Inc. · 2008
  10. Descendant · 2 generations on · 3 of its ownK080956 Modification to VF Gel PlusCoapt Systems, Inc. · 2008
  11. Descendant · 3 generations on · 1 of its ownK180631 Silk VoiceSofregen Medical, Inc. · 2018

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

2006: 12007: 12008: 22009: 32013: 12018: 12024: 1
2006high 3 (2009) · low 0 (2010)2026

Most influential descendants

Showing 5 of 10 · See all
  • K060815Juliesse Injectable Laryngeal Augmentation ImplantBioform Medical, Inc. · 2006 · cites it directly6descendants
  • K070090Radiesse Laryngeal ImplantBioform Medical, Inc. · 2007 · 2 generations on5descendants
  • K071663VF Gel PlusCoapt Systems, Inc. · 2008 · cites it directly4descendants
  • K080956Modification to VF Gel PlusCoapt Systems, Inc. · 2008 · 2 generations on3descendants
  • K180631Silk VoiceSofregen Medical, Inc. · 2018 · 3 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K913882Zara Silicone BlockByron Medical1992—
−4K970910Xomed Silicone Block/StripXomed, Inc.1997—
−3K972317Montgomery Thyroplasty Implant SystemBoston Medical Products, Inc.1997—
−2K982294Xomed Silicone Pre-Form BlocksXomed, Inc.1998—
−1K013243Coaptite Laryngeal Augmentation System 1CC & O.5CC, Models 0008021-1, 0008022-1Bioform, Inc.20021
0 (this device)K033398Laryngeal Augmentation ImplantBioform, Inc.2003—
+1K060815Juliesse Injectable Laryngeal Augmentation ImplantBioform Medical, Inc.20061
+2K070090Radiesse Laryngeal ImplantBioform Medical, Inc.2007—
+1K071663VF Gel PlusCoapt Systems, Inc.2008—
+2K080956Modification to VF Gel PlusCoapt Systems, Inc.2008—
+3K180631Silk VoiceSofregen Medical, Inc.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198530
198610
199110
199210
199410
199520
199630
199830
199910
200010
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
200710
200820
200930
201310
201810
202410
FIG. 1 — Lineage of K033398, 1992–2024Source: 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 MIX? 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 MIX device

  1. #1 K240919 Silk Voice (SMI-04)score 9.7 · 9 generations · 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
*K013243Coaptite Laryngeal Augmentation System 1CC & O.5CC, Models 0008021-1, 0008022-1
Summary page 2
…on Implant Additional Information Substantial Equivalence The following are predicate devices that are substantially equivalent to the Laryngeal Augmentation Implant: K013243 Coaptite Laryngeal Augmentation System BioForm, Inc. 4133 Courtney Road, #10 Franksville, WI 53126 K030682 Calcium Hydroxylapati…
Bioform, Inc.20021
*K030682Calcium Hydroxylapatite Implant, Icc and 0.5CC, Models 8038-3, 8037-3
Summary page 2
…stantially equivalent to the Laryngeal Augmentation Implant: K013243 Coaptite Laryngeal Augmentation System BioForm, Inc. 4133 Courtney Road, #10 Franksville, WI 53126 K030682 Calcium Hydroxylapatite Implant BioForm Inc. 1875 South Grant Street San Mateo, CA 94402 K942014 Sterile Water Wet Dressing Trin…
Bioform, Inc.2003—
*K942014Sterile Water Wet Dressing
Summary page 2
…ion System BioForm, Inc. 4133 Courtney Road, #10 Franksville, WI 53126 K030682 Calcium Hydroxylapatite Implant BioForm Inc. 1875 South Grant Street San Mateo, CA 94402 K942014 Sterile Water Wet Dressing Trinity Laboratories, Inc. 201 Kiley Drive Salisbury, MD 21801 Biocompatibility Evaluations The batt…
Trinity Laboratories, Inc.1994—

Also cleared against K013243: 3 other devices →

What descends from it? (10)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K060815Juliesse Injectable Laryngeal Augmentation ImplantBioform Medical, Inc.20066
K071663VF Gel PlusCoapt Systems, Inc.20084

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 11 years and passes through 4 companies; a new generation was cleared every 1.9 years on median.
  • 1 of the 23 ancestors has a recall of any class.
  • Of its descendants, K060815 (Bioform Medical, Inc., 2006) has gone furthest, with 6 descendants of its own.
  • 3 other devices also cite its predicate K013243.

How does its category compare?

All MIX devices

MIX System, Vocal Cord Medialization: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · MIX

1in 2024

2007: 12008: 22009: 32013: 12015: 12018: 12024: 1
2007high 3 (2009) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MIX

193in 2009

2009: 193 days median
2007high 193 (2009)2026

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

Recalls per year · MIX

1in 2015

2015: 1
2007high 1 (2015) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · MIX

2in 2024

2009: 22010: 22012: 22014: 12015: 12016: 12017: 32018: 52019: 12020: 102021: 52023: 42024: 2
2007high 10 (2020) · low 0 (2007)2025

MAUDE reports naming product code MIX, 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
20071—00
20082—00
2009319302
20100—02
20110—00
20120—02
20131—00
20140—01
20151—11
20160—01
20170—03
20181—05
20190—01
20200—010
20210—05
20220—00
20230—04
20241—02
20250—00
20260—0—

What is it indicated for?

BioForm's Laryngeal Augmentation Implant is indicated as a resorbable implant material to aid in surgical reconstructions as a space occupying material in laryngeal surgical procedures for vocal fold medialization and augmentation. The Laryngeal Augmentation Implant is a temporary implant and resorbs within a period of 3-6 months.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K033398: Laryngeal Augmentation Implant.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K033398

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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