510(k) Report

510(k) · Cleared

Cleared

LOTUS Series 4 Enhanced Shears, LOTUS Series 5

K221102510(k) TraditionalCleared Dec 15, 2022245-day reviewClass U

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

Sra Developments, Ltd. · LFL Instrument, Ultrasonic Surgical

Cleared on Dec 15, 2022 as substantially equivalent to K151101 (Sra Developments, Ltd., 2015) after a 245-day review. Its family tree reaches back 5 generations to 1990.

Decided
Dec 15, 2022
Review
245 days
Class
Class U
Product code
LFL
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K900003 (1990). 14 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 5 generations backK900003 System Ten Model 100 Surgical SystemAdvanced Osseous Technologies · 1990
  2. 4 generations backK961725 Oscar Orthosonics System for Cemented Arthroplasty RevisionC.L. Mcintosh & Assoc., Inc. · 1996
  3. 3 generations backK021502 Oscar, Model OE3000Orthosonics, Ltd. · 2002
  4. 2 generations backK063531 Series 3 Lotus Laparoscopic Ultrasound Surgery SystemSra Developments, Ltd. · 2007
  5. 1 generation backK151101 Lotus Series 4 Ultrasonic Surgical System & AccessoriesSra Developments, Ltd. · 2015
  6. This deviceK221102 LOTUS Series 4 Enhanced Shears, LOTUS Series 5Sra Developments, Ltd. · 2022
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K900003System Ten Model 100 Surgical SystemAdvanced Osseous Technologies1990—
−4K961725Oscar Orthosonics System for Cemented Arthroplasty RevisionC.L. Mcintosh & Assoc., Inc.1996—
−3K021502Oscar, Model OE3000Orthosonics, Ltd.2002—
−2K063531Series 3 Lotus Laparoscopic Ultrasound Surgery SystemSra Developments, Ltd.2007—
−1K151101Lotus Series 4 Ultrasonic Surgical System & AccessoriesSra Developments, Ltd.2015—
0 (this device)K221102LOTUS Series 4 Enhanced Shears, LOTUS Series 5Sra Developments, Ltd.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199210
199310
199610
199720
199810
200310
200610
FIG. 1 — Lineage of K221102, 1990–2022Source: 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 LFL? 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 LFL device

  1. #1 K261448 neXus Ultrasonic Surgical Aspirator Systemscore 14.5 · 10 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

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
*K151101Lotus Series 4 Ultrasonic Surgical System & Accessories
Summary page 4
…nhanced Shears and LOTUS Series 5 device are substantially equivalent to those registered as part of Lotus Series 4 Ultrasonic Surgical System and Accessories (K151101). Page 1 of 13…
Sra Developments, Ltd.2015—

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 32 years and passes through 4 companies; a new generation was cleared every 6.4 years on median.
  • None of the 14 ancestors has a recall.

How does its category compare?

All LFL devices

LFL Instrument, Ultrasonic Surgical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · LFL

3in 2025

2007: 72008: 22009: 12010: 22011: 32012: 32013: 52014: 32015: 42016: 52017: 22018: 32019: 42020: 42021: 62022: 82023: 42024: 32025: 32026 (partial year): 3
2007high 8 (2022) · low 1 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LFL

176in 2025

2007: 99 days median2011: 241 days median2012: 82 days median2013: 73 days median2014: 136 days median2015: 99 days median2016: 111 days median2018: 66 days median2019: 103 days median2020: 190 days median2021: 83 days median2022: 168 days median2023: 104 days median2024: 158 days median2025: 176 days median2026 (partial year): 99 days median
2007high 241 (2011) · low 66 (2018)2026

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

Recalls per year · LFL

11in 2024

2010: 32011: 22012: 52014: 12015: 12017: 12019: 422021: 12023: 22024: 112026 (partial year): 1
2007high 42 (2019) · low 0 (2007)2026

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

Adverse event reports per year · LFL

3,857in 2025

2007: 2,2362008: 1,6782009: 3,3242010: 1,2392011: 1,0532012: 1,4912013: 2,4302014: 4,2602015: 2,7772016: 2,6912017: 3,2672018: 3,4612019: 3,1532020: 2,9342021: 3,2892022: 3,4222023: 4,2152024: 4,0172025: 3,857
2007high 4,260 (2014) · low 1,053 (2011)2025

MAUDE reports naming product code LFL, 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
200779902,236
20082—01,678
20091—03,324
20102—31,239
2011324121,053
201238251,491
201357302,430
2014313614,260
201549912,777
2016511102,691
20172—13,267
201836603,461
20194103423,153
2020419002,934
202168313,289
2022816803,422
2023410424,215
20243158114,017
2025317603,857
20263991—

What is it indicated for?

LOTUS Series 4 Enhanced Shears LOTUS Enhanced Shears are indicated for soft tissue surgical incisions when bleeding control and minimal thermal injury are important. They may be used as an adjunct to or substitute for electrosurgery, laser surgery, and traditional scalpels in general, gynecological, thoracic surgery, and exposure to orthopedic structures (such as hip joint). LOTUS Series 5 The Lotus Series 5 is indicated for soft tissue surgical…

Read the full statement (109 words)

LOTUS Series 4 Enhanced Shears

LOTUS Enhanced Shears are indicated for soft tissue surgical incisions when bleeding control and minimal thermal injury are important. They may be used as an adjunct to or substitute for electrosurgery, laser surgery, and traditional scalpels in general, gynecological, thoracic surgery, and exposure to orthopedic structures (such as hip joint).

LOTUS Series 5

The Lotus Series 5 is indicated for soft tissue surgical incisions when bleeding control and minimal thermal injury are important. It may be used as an adjunct to or substitute for electrosurgery, laser surgery, and traditional scalpels in general, gynecological, thoracic surgery, and exposure to orthopedic structures (such as hip joint)

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K221102: LOTUS Series 4 Enhanced Shears, LOTUS Series 5.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K221102

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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