Case study · Medical implant manufacturing
From Surgical Case Sheet to Invoice — Without the Manual Chase
See how a U.S. medical implant manufacturer automated its post-surgery billing workflow with AI.
Case sheets. Hospital POs. Distributor emails. Handwritten documents. Product usage. ERP records.
For many implant manufacturers, finance and operations teams still manually piece these together before an invoice can go out.
We helped one manufacturer automate much of that workflow.
The results
~75%
Reduction in manual processing effort
~4×
Faster transaction processing
~15%
Reduction in DSO
See the actual workflow, AI + rules architecture, ERP matching and before/after process.
Why implant billing is so difficult to automate
The procedure is complete. The billing work is just beginning.
Unlike a traditional order-to-cash process, implant billing often starts with fragmented post-surgery information.
Case documentation
Handwritten forms, scanned documents, images and PDFs.
Hospital + distributor POs
Often arriving later, through email and in different formats.
Product matching
The same implant can be represented differently by the hospital, distributor and manufacturer’s ERP.
Customer-specific pricing
Pricing and billing rules vary across hospitals, distributors and contracts.
ERP reconciliation
Someone still has to determine which case, products, PO and sales order belong together.
When something doesn’t match, the transaction waits.
And when billing waits, cash waits.
The customer
A U.S. Medical Implant Manufacturer
The manufacturer had a billing team processing hundreds of emails and documents containing:
- Surgical case documentation
- Purchase orders
- Receipts
- Scanned and handwritten forms
- Product information
- Customer and distributor information
The team manually reconciled this information against its ERP before transactions could proceed toward invoicing.
The challenge wasn’t simply reading the documents.
It was figuring out how all the pieces belonged together.
What Nurona automated
One Workflow Across Documents, Email and ERP
Nurona built an AI-driven workflow connecting the information surrounding each billable case.
The existing ERP remained the system of record. Nurona handled the intelligence and workflow around it.
The difficult part was making it reliable.
- How do you match a hospital’s product description with a different ERP SKU?
- What happens when the PO arrives after the case?
- How do you distinguish a real pricing mismatch from an expected customer-specific price?
- When should AI make the match—and when should a person review it?
That’s what the detailed case study walks through.
At a high level
- Case Documentation
- AI Document Understanding
- Hospital + Distributor + Product Matching
- PO / ERP Reconciliation
- Business-Rule Validation
- Human Review for Exceptions
- Invoice-Ready Transaction
The business impact
Less Administrative Work. Faster Billing. Faster Cash.
~75%
Less Manual Processing
Routine document extraction, matching and validation moved from employees to the automated workflow.
~4×
Faster Processing
The team shifted from manually researching every transaction to primarily handling exceptions.
~15%
Reduction in DSO
Reducing avoidable delays between case completion, documentation, PO reconciliation and billing helped accelerate the path to cash.
What is inside the detailed case study?
See Exactly How We Built the Workflow
The detailed case study covers:
- The before vs. after billing workflow
- How AI processes handwritten case sheets, PDFs and images
- How hospital, distributor and product data are matched against ERP
- How we handle different product descriptions and SKUs
- How case → PO → sales order → invoice reconciliation works
- Where we use AI vs. deterministic business rules
- How exceptions and low-confidence matches are handled
- How humans remain in control of financial transactions
- ERP integration approach
- How we measured the operational and DSO impact
Beyond billing
The Same Problem Shows Up Across the Implant Lifecycle
Post-surgery billing is one workflow. The same fragmented data and communication also create opportunities across:
Consigned Inventory
Understand where inventory sits, what gets used, replenishment needs and underutilized inventory.
AR / AP
Automate financial exceptions, missing documentation, matching and follow-up.
Hospital + Distributor Communication
Automate repetitive requests and follow-ups across email and documents.
Revenue Leakage
Identify cases, usage or pricing discrepancies that may not have translated correctly into billing.
Why Nurona
AI Built for Workflows That Don’t Fit Neatly Inside ERP
Generic document AI can read a case sheet. Generic automation can move fields between systems.
The harder problem is combining:
AI understanding + ERP matching + business rules + workflow execution + human control.
That’s what Nurona is built for. We provide an AI intelligence and action layer around existing enterprise systems for manufacturers and other physical-economy businesses.
Your ERP remains the system of record. Nurona handles the messy work around it.