# Medical Device Recall Death Triangle — Region Gauge

> Medical Device Recall Death Triangle — Region Gauge is a paid API for AI agents from aeml-x402.zeabur.app, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-13).

Aggregates FDA/EUDAMED device authorization lifecycle, MAUDE adverse event surges, and FDA recall classification cascades for a given medical device product line into a single cross-validated risk gauge.

## Facts

- Endpoint: GET https://aeml-x402.zeabur.app/gauge/meddevice-region
- Price: $0.25/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/medical-device-recall-death-triangle-region-gauge-5ab93447
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_C0fIRa3NGcIo4DsZa5o0I

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability medical-device-recall-death-triangle-region-gauge-5ab93447
```

Example prompt: Pull the medical device recall death triangle for the Philips DreamStation CPAP — I need the FDA clearance and recall lifecycle, any MAUDE adverse event surge signals, and the recall grade cascade with SEC 8-K and MDL exposure, all cross-validated.

## When to prefer this

Choose this endpoint when you need a multi-signal, cross-validated medical device risk snapshot combining regulatory lifecycle, adverse event early-warning, and recall-cascade downstream signals in a single call. Prefer it over manually querying openFDA or EUDAMED separately when the use case is procurement due diligence, hospital supply chain risk, or investment screening on a specific device product line. Not suitable for real-time clinical decision support or legal advice.

## Known failure modes

- Entity key not recognized — returns error or empty legs if the device slug is malformed or not indexed
- Stale data — provenance may indicate data_age_hours is high for infrequently updated official sources
- No MAUDE surge detected — may reflect genuine absence or data lag from FDA reporting pipeline
- EUDAMED data unavailable for some non-EU devices — leg may be missing or null
- Source freeze — dead_source flag if an upstream feed has stopped updating
- Payment not received — x402 payment required; unpaid requests return 402

## How this service works

[3-LEG] Medical device recall chain, one product line (?entity=philips-dreamstation-cpap): leading recall pressure signals -> current current clearance status -> realized lifecycle from cleared to recalled to withdrawn (confirmation gate). A sequential chain, not one reading - confidence = how many legs are lit, in order. Sources: US FDA. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.

## Output

Returns a structured gauge object with named legs covering: device authorization lifecycle (cleared/recall/withdrawn/revoked), MAUDE adverse event current surge and severity, and FDA recall classification cascade. Also includes a cross-line narrative description, provenance with data lineage and freshness indicators, Ed25519-signed citations traceable to openFDA/EUDAMED, decision points for re-runs with alternate entity tags, and honest scope/grade disclosures. Data is screening-level, not decision-grade.

## Request schema (JSON Schema)

```json
{
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "type": {
     "const": "http"
    },
    "method": {
     "type": "string",
     "enum": [
      "GET"
     ]
    },
    "queryParams": {
     "type": "object",
     "additionalProperties": false,
     "properties": {
      "entity": {
       "type": "string",
       "description": "required - monitored object id, paired with signal_id; free list at GET /gauge/catalog?signal_id=<signal_id> -> signals[0].entities[]",
       "examples": [
        "philips-dreamstation-cpap",
        "medtronic-heartware-hvad",
        "exactech-optetrak-knee",
        "exactech-connexion-gxl-hip",
        "allergan-biocell-breast-implant",
        "bayer-essure-contraceptive"
       ],
       "x-accepted-values": {
        "shown": 6,
        "total": 20,
        "all": "https://api.truthbear.co/schemas/gauge-meddevice-region.input.json"
       }
      }
     },
     "required": [
      "entity"
     ]
    }
   },
   "required": [
    "type",
    "method",
    "queryParams"
   ]
  },
  "output": {
   "type": "object",
   "properties": {
    "type": {
     "const": "json"
    },
    "example": {}
   },
   "required": [
    "type"
   ]
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/medical-device-recall-death-triangle-region-gauge-5ab93447/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from aeml-x402.zeabur.app](https://www.zero.xyz/host/aeml-x402.zeabur.app/llms.txt)