510(k) Report

510(k) · Cleared

Cleared

Introducer Needle

K222705510(k) TraditionalCleared May 22, 2023257-day reviewClass U

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

Youcare Technology Co.,Ltd. (Wuhan) · LJE Catheter, Nephrostomy

Cleared on May 22, 2023 as substantially equivalent to K183035 (Cook Incorporated, 2019) after a 257-day review. Its family tree reaches back 2 generations to 1984.

Decided
May 22, 2023
Review
257 days
Class
Class U
Product code
LJE
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K844090 (1984). No later device cites it as a predicate yet.

  1. Root · 2 generations backK844090 Percutaneous Nephrostomy Trocar SysAmerican Edwards Laboratories · 1984
  2. 1 generation backK183035 Percutaneous Entry Set, Skinny Needle (R) with Chiba Tip, Disposable…Cook Incorporated · 2019
  3. This deviceK222705 Introducer NeedleYoucare Technology Co.,Ltd. (Wuhan) · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K844090Percutaneous Nephrostomy Trocar SysAmerican Edwards Laboratories1984—
−1K183035Percutaneous Entry Set, Skinny Needle (R) with Chiba Tip, Disposable Two-part…Cook Incorporated2019—
0 (this device)K222705Introducer NeedleYoucare Technology Co.,Ltd. (Wuhan)2023—
FIG. 1 — Lineage of K222705, 1984–2023Source: 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 LJE? 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 LJE device

  1. #1 K250448 Disposable Percutaneous Nephrostomy Dilatation…score 9.9 · 2 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
*K183035Percutaneous Entry Set, Skinny Needle (R) with Chiba Tip, Disposable Two-part Trocar…
Summary page 4
…abbreviated as Model A, Model B, Model C) Classification Panel: Gastroenterology/Urology Product Code: LJE Device Classification: Unclassified 4. The Predicate Devices K183035 Percutaneous Entry Set This predicate has not been subject to a design-related recall. No reference devices were used in this su…
Cook Incorporated2019—

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 39 years and passes through 3 companies; a new generation was cleared every 34.4 years on median.
  • None of the 2 ancestors has a recall.

How does its category compare?

All LJE devices

LJE Catheter, Nephrostomy: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · LJE

1in 2025

2007: 12008: 12012: 12014: 12016: 12017: 12018: 32019: 42020: 22022: 12023: 12025: 1
2007high 4 (2019) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LJE

254in 2019

2018: 107 days median2019: 254 days median
2007high 254 (2019) · low 107 (2018)2026

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

Recalls per year · LJE

1in 2025

2007: 12016: 12019: 12020: 22021: 12025: 1
2007high 2 (2020) · low 0 (2008)2026

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

Adverse event reports per year · LJE

59in 2025

2007: 52008: 82009: 122010: 62011: 152012: 162013: 152014: 42015: 92016: 262017: 602018: 692019: 782020: 502021: 382022: 422023: 1312024: 472025: 59
2007high 131 (2023) · low 4 (2014)2025

MAUDE reports naming product code LJE, 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—15
20081—08
20090—012
20100—06
20110—015
20121—016
20130—015
20141—04
20150—09
20161—126
20171—060
20183107069
20194254178
20202—250
20210—138
20221—042
20231—0131
20240—047
20251—159
20260—0—

What is it indicated for?

It is used for percutaneous puncture to the renal pelvis, establishing a percutaneous approach and providing working access for endoscopes and surgical instruments.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K222705: Introducer Needle.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K222705

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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