Interactive prototype
Surgical Readiness Engine
Choose a procedure. ESSN resolves it into the full requirement set — instruments, devices, accessories, implants, consumables, sterilization, extra equipment and human resources — states each item green, yellow, red or blue, names the approved alternatives, and scores whether the room can proceed.
Select a procedure
Primary cemented total knee arthroplasty. ESSN resolves the coded procedure into the exact instrument, implant, consumable, sterilization and staffing set the room needs.
- Specialty
- Orthopaedics
- Procedure reference
- TKA-27447
- Planned theatre time
- ≈ 95 minutes
Surgical Readiness Score
69
Blocked
Derived from mandatory instruments, devices, accessories, implants, consumables, sterilization state, extra equipment and confirmed human resources.
Missing items blocking this case
- Computer-assisted navigation consoleDevices · No console assigned to this suite for the scheduled window.
- Tibial insert, cruciate retaining, 10 mmImplants · Primary size unavailable; backup ladder incomplete.
- Implant application specialistHuman resources · No vendor representative confirmed for the navigation pathway.
Instruments
2 requirements- Ready
Total knee instrument set (femoral & tibial)
1 set · Set complete, count sheet verified, tray seal intact.
REF ORV-TKA-SET-01
- In sterilization
Oscillating saw handpiece
1 · In sterilization cycle — releases 40 minutes before incision.
REF SW-220
Devices
1 requirements- Missing
Computer-assisted navigation console
1 · No console assigned to this suite for the scheduled window.
GMDN 35292
Approved alternatives
- Mechanical alignment guides — approved fallback pathway
Accessories
1 requirements- At risk
Sagittal saw blades (1.27 mm)
4 · Two units on shelf against four required for the planned resection sequence.
REF BL-127-S
Approved alternatives
- Sagittal blade 1.19 mm — approved substitute
- Reciprocating blade set B
Implants
2 requirements- Ready
Femoral component, size 4, cemented
1 · Reserved to this case, lot recorded against the case record.
UDI-DI (placeholder) 0X8XXXXXXXXXXX
- Missing
Tibial insert, cruciate retaining, 10 mm
1 + 1 backup size · Primary size unavailable; backup ladder incomplete.
REF ORV-TI-CR-10
Approved alternatives
- Cruciate retaining 9 mm + 11 mm bracketing
- Ultra-congruent insert 10 mm
Consumables
2 requirements- Ready
Bone cement with antibiotic
2 × 40 g · In date, stored within specification.
- Ready
Pulse lavage set, suction tubing, drapes
1 pack · Case pack assembled and staged.
Sterilization
1 requirements- In sterilization
Instrument tray reprocessing
2 trays · Cycle in progress; biological indicator pending release.
Extra equipment
2 requirements- Ready
Laminar flow theatre with radiolucent table
1 suite · Suite assigned, table and tourniquet checked.
- At risk
Tourniquet system
1 · Maintenance interval expires the day after the scheduled case.
Approved alternatives
- Second theatre unit available on transfer
Human resources
3 requirements- Ready
Orthopaedic surgeon, first assistant
2 · Confirmed against the theatre roster.
- Ready
Scrub practitioner, circulating nurse
2 · Confirmed, both credentialled for arthroplasty.
- Missing
Implant application specialist
1 · No vendor representative confirmed for the navigation pathway.
Approved alternatives
- In-house trained coordinator if mechanical guides are used