510(k) Report

510(k) · Cleared

Cleared

AG Guffill

K122721510(k) TraditionalCleared May 3, 2013240-day reviewClass II21 CFR 868.5750

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

Hospitech Respiration, Ltd. · BSK Cuff, Tracheal Tube, Inflatable

Cleared on May 3, 2013 as substantially equivalent to K912723 (Posey Co., 1991) and 3 other predicates after a 240-day review. Its family tree reaches back 3 generations to 1991. 2 later devices descend from it.

Decided
May 3, 2013
Review
240 days
Class
Class II
Product code
BSK
Recalls
None
Predicates
4

Its longest line of descent runs back 3 generations to K912723 (1991). 7 ancestors in all, the oldest K791045 (1979). 2 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 1 other ancestor1995: 1 other ancestor1990: 1 other ancestor1979: 1 other ancestor2020: 1 descendant cleared2025: 1 descendant clearedK912723 · Posey Cufflator · Posey Co. · 1991K081805 · Cuffalert · Sunmed · 2008K092733 · PYTON · Arm Medical Devices, Inc. · 201019801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors 1 generation forward: 2 descendants K092733 · PYTON · Arm Medical Devices, Inc. · 2010K081805 · Cuffalert · Sunmed · 2008K912723 · Posey Cufflator · Posey Co. · 19910
  1. Root · 3 generations backK912723 Posey CufflatorPosey Co. · 1991
  2. 2 generations backK081805 CuffalertSunmed · 2008
  3. 1 generation backK092733 PYTONArm Medical Devices, Inc. · 2010
  4. This deviceK122721 AG GuffillHospitech Respiration, Ltd. · 2013
  5. Descendant · cites it directly · 0 of its ownK242642 CuffTrekShanghai Longmann Tech Co., Ltd. · 2025
  6. Descendant · cites it directly · 0 of its ownK192611 CuffixBiovo Technologies, Ltd. · 2020

Most influential descendants

Showing 2 of 2 · See all
  • K242642CuffTrekShanghai Longmann Tech Co., Ltd. · 2025 · cites it directly0descendants
  • K192611CuffixBiovo Technologies, Ltd. · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K912723Posey CufflatorPosey Co.1991—
−2K081805CuffalertSunmed2008—
−1K092733PYTONArm Medical Devices, Inc.2010—
0 (this device)K122721AG GuffillHospitech Respiration, Ltd.2013—
+1K242642CuffTrekShanghai Longmann Tech Co., Ltd.2025—
+1K192611CuffixBiovo Technologies, Ltd.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
199010
199510
201110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202510
FIG. 1 — Lineage of K122721, 1991–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 BSK? 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 BSK device

  1. #1 K261499 TrachFlushscore 13.0 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (4)

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
*K912723Posey Cufflator
Summary page 2
…Device Name 510k No .. Date of Clearance Posey Cufflator K912723 July 20 1991 CuffAlert K081805…
Posey Co.1991—
*K081805Cuffalert
Summary page 2
…Posey Cufflator K912723 July 20 1991 CuffAlert K081805 Nov 14 2008 Easy Cuff K102704…
Sunmed2008—
*K102704Easy Cuff
Summary page 2
…CuffAlert K081805 Nov 14 2008 Easy Cuff K102704 March 10 2011 PYTON K092733…
Joan Spiegel, MD2011—
*K092733PYTON
Summary page 2
…Easy Cuff K102704 March 10 2011 PYTON K092733 Feb 26 2010 Performance Standards AG Cuff!!l co…
Arm Medical Devices, Inc.2010—

Also cleared against K912723: 5 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K242642CuffTrekShanghai Longmann Tech Co., Ltd.20250
K192611CuffixBiovo Technologies, Ltd.20200

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 4 companies; a new generation was cleared every 3.2 years on median.
  • None of the 7 ancestors has a recall.
  • Of its descendants, K242642 (Shanghai Longmann Tech Co., Ltd., 2025) has gone furthest, with 0 descendants of its own.
  • 5 other devices also cite its predicate K912723.

How does its category compare?

All BSK devices

BSK Cuff, Tracheal Tube, Inflatable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.

FDA decisions per year · BSK

2in 2025

2008: 12010: 12011: 32012: 22013: 12015: 12016: 42018: 22019: 12020: 22021: 12022: 12023: 12025: 22026 (partial year): 1
2007high 4 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BSK

376in 2016

2011: 171 days median2016: 376 days median
2007high 376 (2016) · low 171 (2011)2026

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

Recalls per year · BSK

1in 2017

2013: 1, 1 Class I2017: 12026 (partial year): 1
2007high 1 (2013) · low 0 (2007)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · BSK

46in 2025

2008: 22009: 32010: 52011: 152012: 622013: 162014: 52015: 12016: 12017: 32018: 42019: 22020: 12021: 92022: 42023: 512024: 1332025: 46
2007high 133 (2024) · low 0 (2007)2025

MAUDE reports naming product code BSK, 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—00
20081—02
20090—03
20101—05
20113171015
20122—062
20131—1 (1)16
20140—05
20151—01
2016437601
20170—13
20182—04
20191—02
20202—01
20211—09
20221—04
20231—051
20240—0133
20252—046
20261—1—

What is it indicated for?

The Hospitech AG Cuffill is intended to measure and regulate the intra-cuff pressure of Endotracheal tubes, Tracheotomy tubes and Laryngeal Masks Airways (LMAs) (supraglottic airways).

The Hospitech AG Cuffill is used under medical supervision in hospitals, pre-hospital (EMS), extended care facilities and outpatient clinics, where a patient may be intubated.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K122721: AG Guffill.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K122721

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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