# K121789: Shangring

- Pathway: 510(k) (Traditional)
- Applicant: Wuhu Snna Medical Treatment Appliance Technology C
- Decided: Aug 3, 2012 after 45 days
- Product code: HFX (Clamp, Circumcision)
- Device class: 2
- Regulation: 21 CFR 884.4530
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K032091 (2004). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K032091: Smart Klamp Various by Size, Emergogroup, Inc. (2004) Summary page 1.
- (no number) Plastibell (Hollister, pre-amendment device): named in the summary without a submission number

## Cited in the summary but kept off the family tree
- K926353: Flowgel (R) Topical Wound Dressing, Mediventures, Inc. (1994). Our reading of the summary gave K926353, FDA’s number for Flowgel (R) Topical Wound Dressing (Mediventures, Inc.). Its FDA name has none of the distinctive words the summary uses for the device it names, “Gomco Circumcision Clamp (Thomas Medical Inc.)”. Kept off the family tree. Summary page 1.

## Most influential descendants
- K142163: Male Circumcision Kits:Rapideclamp (2015), 0 descendants of its own

## Indications for use
The ShangRing Tm device is indicated for circumcision of adult males, defined as circumferential excision of the foreskin or prepuce at or near the level of the coronal sulcus.

Source page: https://510kreport.com/device/K121789
Methodology: https://510kreport.com/methodology