510(k) · Cleared
ClearedSingle Use Rotatable and Repositionable Hemoclip
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Anrei Medical (Hangzhou) Co., Ltd. · PKL Hemostatic Metal Clip For The Gi Tract
Cleared on Oct 19, 2020 as substantially equivalent to K161463 (Micro-Tech (Nanjing) Co., Ltd., 2017) and 1 other predicate after a 112-day review. Its family tree reaches back 7 generations to 1997. 1 later device descends from it.
- Decided
- Oct 19, 2020
- Review
- 112 days
- Class
- Class II
- Product code
- PKL
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 7 generations to K963160 (1997). 1 later device descends from it, 1 citing it directly.
- Root · 7 generations backK963160 HX-5/6-1 Endoscopic Clipping DeviceOlympus America, Inc. · 1997
- 6 generations backK990687 HX-5/6-1 Endoscopic Clipping Device, Endoscopic ClipsOlympus Optical, Co. · 1999
- 5 generations backK013066 HX-5/6-1 Endoscopic Clipping DeviceOlympus America, Inc. · 2001 · Recalled
- 4 generations backK040148 Resolution Hemostasis Clipping DeviceBoston Scientific Corp · 2004 · Recalled
- 3 generations backK122660 Resolution Clip Model M00522600, M00522601, M00522602, M00522610…Boston Scientific Corporation · 2012
- 2 generations backK152001 Sterile Repositionable Hemostasis Clipping DeviceMicro-Tech (Nanjing) Co., Ltd. · 2015
- 1 generation backK161463 SureClip (TM) Repositionable Hemostasis ClipMicro-Tech (Nanjing) Co., Ltd. · 2017
- This deviceK201771 Single Use Rotatable and Repositionable HemoclipAnrei Medical (Hangzhou) Co., Ltd. · 2020
- Descendant · cites it directly · 0 of its ownK213217 Disposable hemoclipBeijing Zksk Technology Co., Ltd. · 2022
Most influential descendants
Showing 1 of 1 · See all- K213217Disposable hemoclipBeijing Zksk Technology Co., Ltd. · 2022 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K963160 | HX-5/6-1 Endoscopic Clipping Device | Olympus America, Inc. | 1997 | — |
| −6 | K990687 | HX-5/6-1 Endoscopic Clipping Device, Endoscopic Clips | Olympus Optical, Co. | 1999 | — |
| −5 | K013066 | HX-5/6-1 Endoscopic Clipping Device | Olympus America, Inc. | 2001 | 1 |
| −4 | K040148 | Resolution Hemostasis Clipping Device | Boston Scientific Corp | 2004 | 2 |
| −3 | K122660 | Resolution Clip Model M00522600, M00522601, M00522602, M00522610, M00522611… | Boston Scientific Corporation | 2012 | — |
| −2 | K152001 | Sterile Repositionable Hemostasis Clipping Device | Micro-Tech (Nanjing) Co., Ltd. | 2015 | — |
| −1 | K161463 | SureClip (TM) Repositionable Hemostasis Clip | Micro-Tech (Nanjing) Co., Ltd. | 2017 | — |
| 0 (this device) | K201771 | Single Use Rotatable and Repositionable Hemoclip | Anrei Medical (Hangzhou) Co., Ltd. | 2020 | — |
| +1 | K213217 | Disposable hemoclip | Beijing Zksk Technology Co., Ltd. | 2022 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2022 | 1 | 0 |
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 PKL? 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 PKL device
- #1 K202333 Lockado Repositionable Hemostasis Clipscore 17.5 · 7 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K161463 | SureClip (TM) Repositionable Hemostasis ClipSummary page 5…ior to deployment, aiding in repositioning of the clip at the lesion site. 5. Identification of Predicate Devices Predicate Device 1 510(k) Number: K161463 Product Name: SureClip(TM) Repositionable Hemostasis Clip… | 2017 |
| * | K152001 | Sterile Repositionable Hemostasis Clipping DeviceSummary page 6…of 6 510(k) Summary Ref.:M20862018 Predicate Device 2 510(k) Number: K152001 Product Name: Sterile Repositionable Hemostasis Clipping Device 6. Non-Clinical Test Conclusion Non clinical… | 2015 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K213217 | Disposable hemoclip | 2022 | 0 |
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 23 years and passes through 6 companies; a new generation was cleared every 2.7 years on median.
- 2 of the 7 ancestors have a recall of any class.
- Of its descendants, K213217 (Beijing Zksk Technology Co., Ltd., 2022) has gone furthest, with 0 descendants of its own.
- 2 other devices also cite its predicate K161463.
How does its category compare?
All PKL devicesPKL Hemostatic Metal Clip For The Gi Tract: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · PKL
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · PKL
162in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · PKL
1in 2019
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · PKL
1,170in 2025
MAUDE reports naming product code PKL, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 2 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 3 | 102 | 0 | 1 |
| 2013 | 2 | — | 0 | 0 |
| 2014 | 1 | — | 0 | 4 |
| 2015 | 3 | 143 | 0 | 34 |
| 2016 | 1 | — | 0 | 128 |
| 2017 | 2 | — | 0 | 398 |
| 2018 | 5 | 116 | 0 | 393 |
| 2019 | 4 | 231 | 1 | 699 |
| 2020 | 6 | 164 | 0 | 504 |
| 2021 | 2 | — | 0 | 668 |
| 2022 | 9 | 259 | 0 | 522 |
| 2023 | 2 | — | 0 | 863 |
| 2024 | 8 | 181 | 0 | 1,216 |
| 2025 | 6 | 162 | 0 | 1,170 |
| 2026 | 7 | 231 | 0 | — |
What is it indicated for?
Single Use Rotatable and Repositionable Hemoclip is indicated for clip placement within the Gastrointestinal (GI) tract for the purpose of:
1) Endoscopic marking
2) Hemostasis for:
Mucosal/sub-mucosal defects < 3cm,
Bleeding ulcers,
Arteries < 2mm,
Polyps < 1.5cm in diameter,
Diverticula in the colon,
3) As a supplementary method, closure of GI tract luminal perforations < 20mm that can be treated conservatively
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K201771 · printed Nov 6, 2026
Cite this page
510(k) Report. “K201771: Single Use Rotatable and Repositionable Hemoclip.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K201771
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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