3.1 Preoperative Case Setup: Preference Cards, Case Carts, and Sterile Field Arrangement

3.1 Preoperative Case Setup: Preference Cards, Case Carts, and Sterile Field Arrangement

Surgical Procedure Set-Up is the largest single task area on the official TS-C Detailed Test Plan, carrying 16 of the 150 scored items. Before the patient ever enters the room, the surgical technologist converts a written plan — the preference card — into a safe, organized, fully verified sterile environment. Setup errors discovered after incision (a missing retractor, an expired implant, a shattered package seal) cannot always be fixed without contaminating the field or delaying the case, so the examination tests this phase relentlessly.

The Surgeon's Preference Card

The preference card (pick list) is the documented record of everything a specific surgeon requires for a specific procedure. Whether printed or electronic, it lists:

The card serves two parallel functions: it is the pull list used to assemble the case cart, and it is a communication instrument — when anything on it changes (a new implant brand, a different suture preference), the surgical technologist and circulator share that update with the entire surgical team so the next case is pulled correctly.

Pulling the Case Cart and Verifying Package Integrity

Central sterile processing typically assembles procedure-specific supplies onto a case cart — a closed, covered cart staged until room setup begins. Before accepting any item for the field, verify package integrity. Event-related sterility means a package stays sterile as long as its barrier remains intact and dry — sterility depends on handling, storage, and package condition, not simply elapsed time (though time-dated items such as some commercially prepared trays must also remain within their printed expiration).

Reject and replace any package with:

• Tears, holes, or punctures in the wrapper or peel pouch (a pinhole break means contaminated — no exceptions)
• Moisture or water stains, or a package retrieved from a wet shelf (strike-through wicks microbes inward)
• A broken seal, open latch, or disengaged tamper-evident lock on rigid sterilization containers
• Missing or failed external chemical indicators (Class 1 process indicators on tape or labels must show the expected color change, proving the package passed through a sterilization cycle — not that its contents are sterile)
• Expired time-dated packaging or illegible labeling
• Any drop history: an item dropped onto the floor or an unsterile surface is unsterile, even inside its wrap if the barrier contacted the floor

Items should be pulled in a logical sequence — case cart or back table packs and drapes first, then instrument sets, then supplies — so that the earliest-needed materials are accessible without rummaging through the sterile store.

OR Furniture and Equipment Preparation

Prepare the operating room environment according to the specific procedure before opening sterile supplies:

• Room environment: adjust temperature and humidity for the case population (higher ambient temperatures for pediatric, elderly, burn, and trauma patients), direct airflow, and lighting; minimize foot traffic and door opening to protect the positive-pressure air balance.
• OR table (bed): confirm full function — raise/lower, lateral tilt, Trendelenburg and reverse Trendelenburg, kidney rest where applicable; lock the brakes; attach required armboards, straps, and positioning accessories; apply the safety strap as appropriate for the transfer plan.
• Mayo stand: position and check height mechanism; it will be draped sterile.
• Ring stands: set up with sterile basins as needed for prep solutions and irrigation.
• Kick buckets: place lined waste receptacles at the field edge for non-counted waste; counted sponges never go into kick buckets (they are collected for the count in designated holders).
• Technology check: test suction canisters and tubing, the electrosurgical unit and dispersive return electrode, video tower and insufflator for laparoscopy, powered instruments, and smoke evacuation.
• Personal protective equipment: the entire team dons procedure-appropriate PPE (masks, eye protection, barrier gowns) before sterile supplies are opened in the restricted zone.

Opening and Arranging the Sterile Field

Open the back table pack first, working from far side to near side — open the distal (far) flap first, then each side flap, then the near flap, never reaching over the sterile contents. Peel pouches are either flipped gently onto the field (small, lightweight items only) or presented to the scrubbed person, who grasps the item and withdraws it without dragging it across the pouch edge; heavy or sharp items are slid to the pouch opening and lifted out directly. Solutions are poured by the circulator into labeled basins held securely by the scrubbed technologist at the table edge — pour the entire contents or discard the remainder, avoid splashing onto the field, and never let the bottle lip contact the basin rim.

Arrange the back table in order of anticipated use: prep supplies, drapes, gown/glove packs for the team, then instruments grouped by function (clamps, cutting, grasping, retracting), loaded sponge sticks, sutures, and blades. All countable items are staged so the baseline count with the circulating nurse can be performed audibly and visually before the patient is draped. The Mayo stand receives the small instrument set needed for the first steps of the case — scalpel, forceps, scissors, hemostats, and initial retractors — and is moved over the patient only after draping is complete.

Open sterile supplies as close to the time of use as possible. A sterile field may never be left unattended; covering a table with a sterile drape does not make an unmonitored field acceptable, and a field covered and stored for later is considered contaminated.

Verifying Implantable Devices

Implants demand a layered verification before they touch the field:

1. The scrubbed technologist, surgeon, and circulating nurse jointly confirm the device type and size against the operative plan.
2. Check the package integrity and printed expiration date of the sterile implant barrier.
3. Confirm sterilization documentation for the specific cycle: implants are sterilized with a biological indicator in every load, and the implant is quarantined until the BI result is verified negative; Immediate-Use Steam Sterilization is prohibited for implantable devices.
4. Open the implant at the moment of need wherever possible; record the manufacturer, lot, serial number, and expiration date in the operative record for traceability and recall management.

Maintaining the Field Until the Patient Leaves

The case is not finished at skin closure. The technologist maintains the sterility of the back table and Mayo stand until the patient leaves the room, because final counts, specimen management, and any emergency re-exploration depend on an intact, immediately usable sterile field. Breakdown begins only after the patient is transferred out.

Common Exam Traps

• "The case is not for 30 minutes — cover the table and take a break." Wrong: sterile fields are prepared as close as possible to time of use and never left unmonitored; covering does not protect an unattended field.
• "External indicator changed color, so the contents are sterile." Wrong: external Class 1 indicators only prove the package was exposed to a sterilization process; integrity, storage, and internal indicators complete the picture.
• "Flip a heavy instrument tray from its peel pouch onto the back table." Wrong: heavy items are never flipped (they tear barriers and shift contents); slide to the opening and lift out directly.