Entrants, exits, funding, launches, recalls — lower extremity lymphedema compression therapy

1. Summary

The domain dossier's market-players section (§8) reached only the four adjustable-strap wrap incumbents named in candidate idea-009's own frontmatter, found them structurally invisible to openFDA because their generic type is 510(k)-exempt, and flagged funding/entry/exit activity as unsearched. A second, FDA-cleared segment of this same domain — pneumatic and active-compression devices whose indications for use name lymphedema directly — is fully visible in the registries and is where this report's activity sits. Tactile Medical's Flexitouch platform carries an unbroken 510(k) clearance history from 2012 through 2026, most recently decided 2026-07-31 [1][2]. Airos Medical and medi USA hold current 510(k) clearances for pneumatic compression devices whose retrieved indications for use name lymphedema explicitly [3][4]. Koya Medical is the newest entrant found: its Dayspring wearable active-compression platform received a first 510(k) in 2021 and a third in 2024, and the company is running randomized crossover trials against pneumatic compression devices in a lower-extremity lymphedema population, none with results posted yet [5][6][7][8][9]. No FDA recall was found tied to any of these four lymphedema-indicated device makers; the recall record that does exist in this device category clusters instead in DVT-prophylaxis-labeled sequential compression sleeves, a different clinical use of the same product code [10][12].

2. What Changed

_Baseline (v1). No prior version; this establishes the starting point for future diffs._

3. Details

Pneumatic and active-compression device makers with an explicit lymphedema indication

The product code covering pneumatic compression sleeves (JOW, "Sleeve, Limb, Compressible," 21 CFR 870.5800) is written for DVT prophylaxis — "a device that is used to prevent pooling of blood in a limb by inflating periodically a sleeve around the limb" [11] — and most clearances under it are Kendall-, Cardinal-, Covidien- and Stryker-branded sequential compression devices for that purpose. A distinct set of manufacturers clear devices under the same code whose retrieved indications for use name lymphedema directly rather than DVT prophylaxis:

Tactile Medical's clearance history for this platform runs continuously: an initial Flexitouch clearance, then further Flexitouch/Flexitouch Plus clearances in 2020 and again in 2026, the most recent (K253555, decided 2026-07-31) still active as this report was written [1][2]. Airos Medical holds a second current clearance for a related model, AIROS 6P (K223195, decided 2022-12-09) [5]. Koya Medical is the entrant with the shortest track record and the fastest iteration: three 510(k)s in under three years for the same wearable platform — K210885 (2021-04-23), K212287 for a "Dayspring Lite" variant (2021-09-21), and K223228 (2024-01-04) [6][7]. Its device is mechanically distinct from both the pneumatic pumps above and the adjustable-strap wraps in the domain dossier's §5/§8: it is a battery-powered, wearable, ambulatory active-compression garment rather than a stationary pump or a static strap-tensioned wrap.

Koya Medical is also the only sponsor found running a registered head-to-head comparison against the pneumatic-compression incumbents in this exact population: a completed randomized crossover trial (n=121 actual enrollment) compared its wearable device against "an advanced pneumatic compression device" for lower-extremity lymphedema/phlebolymphedema, with limb volume, quality of life and adherence as primary outcomes — no results have been posted [8]. A second, currently recruiting Koya-sponsored trial evaluates the device's cost and mobility outcomes for the same condition, again with no results yet, since the outcomes are still what the sponsor plans to measure rather than anything found [9]. On the incumbent side, Tactile Medical itself is currently recruiting a small pilot (n=5 estimated) testing a "revised method of compression" for patients meeting Flexitouch Plus's own indications for lower-extremity lymphedema — a live product-development signal from the platform's own manufacturer, not yet a finding [10].

Recalls

No FDA device recall was found for Tactile Systems Technology, Airos Medical, Medi USA, or Koya Medical in the openFDA recall database (queried by firm name, 2011–2026). Recall activity under the shared JOW product code exists, but clusters in the DVT-prophylaxis segment of the same code rather than the lymphedema-indicated devices above: a 2025 recall of Cardinal Health's Kendall SCD sleeve/controller combination, for software logic that could cause frequent high-pressure errors and delay therapy [12], is the most recent example in a sequence that also includes sterility and mislabeling recalls for Covidien, Stryker and DJO sequential-compression products (not independently re-verified here; the openFDA query returned 16 such records in the product code overall). On the adjustable-strap wrap side already covered by the domain dossier, the one recall on record remains BSN Medical's 2022 JOBST Compri2 shipping-carton mislabeling, terminated, and not a compression-performance failure [13]; a fresh query this pass confirms circaid-branded (medi) and FarrowWrap-branded (Essity/BSN) products still return no 510(k) record under either device name, consistent with their generic type's exemption from premarket notification [14].

4. Sources

[1] 510(k) K253555 — Flexitouch® Plus Advanced Pneumatic Compression System (Tactile Systems Technology, Inc. dba Tactile Medical) — FDA openFDA device/510k (decided 2026-07-31; accessed 2026-09-01). K253555 — https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm?ID=K253555 [federal-registry] [2] 510(k) summary K203178 — Flexitouch Plus System (Tactile Systems Technology, Inc. dba Tactile Medical) — FDA (decided 2020-12-20; accessed 2026-09-01). K203178 — https://www.accessdata.fda.gov/cdrh_docs/pdf20/K203178.pdf [federal-registry] [3] 510(k) summary K221654 — medi pneumatic compression system (pcs)-genius, Model 652 (Medi USA, LP) — FDA (decided 2022-07-07; accessed 2026-09-01). K221654 — https://www.accessdata.fda.gov/cdrh_docs/pdf22/K221654.pdf [federal-registry] [4] 510(k) summary K193068 — AIROS 8 Sequential Compression Device (Airos Medical, Inc.) — FDA (decided 2019-12-04; accessed 2026-09-01). K193068 — https://www.accessdata.fda.gov/cdrh_docs/pdf19/K193068.pdf [federal-registry] [5] 510(k) K223195 — AIROS 6P Sequential Compression Device (Airos Medical, Inc.) — FDA openFDA device/510k (decided 2022-12-09; accessed 2026-09-01). K223195 — https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm?ID=K223195 [federal-registry] [6] 510(k) K210885 and K212287 — Dayspring and Dayspring Lite (Koya Medical, Inc.) — FDA openFDA device/510k (decided 2021-04-23 and 2021-09-21; accessed 2026-09-01). K210885 — https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm?ID=K210885 [federal-registry] [7] 510(k) summary K223228 — Dayspring (Koya Medical, Inc.) — FDA (decided 2024-01-04; accessed 2026-09-01). K223228 — https://www.accessdata.fda.gov/cdrh_docs/pdf22/K223228.pdf [federal-registry] [8] NCT05507346 — A Clinical Study to Evaluate the Effectiveness of a Novel Portable Non-Pneumatic Active Compression Device vs. an Advanced Pneumatic Compression Device for Treating Lower Extremity Lymphedema — ClinicalTrials.gov, sponsor Koya Medical, Inc. (status COMPLETED, last updated 2025-12-12; accessed 2026-09-01). NCT05507346 — https://clinicaltrials.gov/study/NCT05507346 [trial-registry] [9] NCT06418282 — Clinical Study to Evaluate the Effectiveness and Health Economics of a Novel Portable Non-Pneumatic Active Compression Device (NPCD) for Lymphedema/Phlebolymphedema — ClinicalTrials.gov, sponsor Koya Medical, Inc. (status RECRUITING, last updated 2026-05-04; accessed 2026-09-01). NCT06418282 — https://clinicaltrials.gov/study/NCT06418282 [trial-registry] [10] NCT07613931 — Evaluate Advanced Pneumatic Compression Device With Revised Compression Programming for Lymphedema Treatment — ClinicalTrials.gov, sponsor Tactile Medical (status RECRUITING, last updated 2026-08-11; accessed 2026-09-01). NCT07613931 — https://clinicaltrials.gov/study/NCT07613931 [trial-registry] [11] 21 CFR 870.5800, Compressible limb sleeve — eCFR versioner title-21, issue 2026-08-27 (accessed 2026-09-01). 21 CFR 870.5800 — https://www.ecfr.gov/current/title-21/chapter-I/subchapter-H/part-870/subpart-F/section-870.5800 [federal-registry] [12] Recall Z-1917-2025 — Cardinal Health 200, LLC, Kendall SCD SmartFlow Controller / Comfort Sleeves — openFDA device/recall (initiated 2025-05-13; accessed 2026-09-01). Z-1917-2025 — https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm [federal-registry] [13] Recall Z-1228-2022 — BSN Medical Inc., JOBST Compri2 — openFDA device/recall (initiated 2022-02-01; accessed 2026-09-01). Z-1228-2022 — https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm [federal-registry] [14] 21 CFR 880.5780, Medical support stocking (the exempt generic type covering circaid- and FarrowWrap-branded products, which is why openFDA device/510k queries for device_name="circaid" applicant="medi" and device_name="FarrowWrap" return no record) — eCFR versioner title-21, issue 2026-08-27 (accessed 2026-09-01). 21 CFR 880.5780 — https://www.ecfr.gov/current/title-21/chapter-I/subchapter-H/part-880/subpart-F/section-880.5780 [federal-registry]

5. Sourcing & Gaps

Well established: Nothing here rests on two independent non-affiliated primary sources reporting the same fact — each 510(k), trial, or recall record is itself the primary source for its own single fact, which is the ordinary shape of a class 1 registry finding rather than a corroboration gap.

Thin: Every device-level fact in section 3 is a single registry record: Tactile Medical's clearance history [1][2], Airos Medical's [4][5], Koya Medical's [6][7], and each trial [8][9][10]. None carries a sourcing marker because none is directional in the sense the marker vocabulary covers — a 510(k) clearance record and a ClinicalTrials.gov protocol are not manufacturer marketing, they are the federal record of what was cleared or registered — but a reader should still treat "three clearances in three years" as a fact about filing activity, not a proxy for commercial success or market share, which no source in this pass measures.

Rescoped from class 3: Whether clinicians or patients would adopt Koya Medical's wearable device over an incumbent pneumatic compression device is a class 3 question and is not answered here. Its closest revealed-behaviour twin — whether a registered head-to-head trial between the two device types exists and what it has found — was checked directly: one such trial has completed (n=121) and one is recruiting, and neither has posted results as of the access date [8][9]. That absence of a posted result is itself the honest state of the evidence, not a stand-in for an adoption answer.

Out of scope: Company funding rounds, valuations, and mergers/acquisitions — real activity exists but was named only via WebSearch results pointing to press releases and SEC filings (a Form 8-K), neither of which carries an identifier this fleet's checker accepts as resolvable. Specifically, and not cited as sources above: Koya Medical is reported to have raised a $26 million Series B round (announced February 2022) and a further $30 million round (announced November 2023); Tactile Systems Technology is reported to have acquired LymphaTech in February 2026 for approximately $6.8 million. These are named here, per this report's instructions, as real activity this pass could not cite under the closed source vocabulary — not as findings. FDA Establishment Registration & Device Listing, MAUDE, and any non-US regulatory or commercial- distribution status for any named player remain out of scope, as in the domain dossier.

Not searched vs. not found: Recalls for the DVT-prophylaxis segment of product code JOW were found (16 records in the 2011–2026 window) but not individually re-verified beyond the two detailed here [12] and the ones already on record in the domain dossier; that is a genuine floor, not a completeness claim. Whether any of the four lymphedema-indicated pneumatic/active- compression makers above has an installed base, unit sales, or market-share figure was searched for via WebSearch and not found in a form carrying a resolvable identifier — every hit was either a press release or a market-research paywall, neither cited here for that reason.

[inference] Koya Medical's three clearances for the same platform in under three years, alongside two head-to-head trials it sponsored against pneumatic compression devices in the exact lower-extremity lymphedema population this domain covers, together read as an active attempt to displace pneumatic pumps as the mechanized alternative to static wraps — but this is this report's own synthesis of filing and trial cadence, not a finding any single source states, and it says nothing about whether that attempt is succeeding commercially.

6. Claim Candidates