Instrument Identification Flashcards

What are the key differences between straight and curved scissors in the surgical instrument set, and how does curvature affect their function?

Answer: Straight scissors (e.g., straight Mayo scissors) are used for cutting sutures and gauze; curved scissors (e.g., curved Metzenbaum scissors) are designed to follow anatomical contours for precision tissue dissection in deeper areas of the surgical field

Straight scissors are typically used for suture cutting and dressing work; curved scissors follow anatomical contours, allowing better visualization and precision during tissue dissection in deeper surgical fields.

What is a trocar and cannula system, and what special cleaning considerations apply to these instruments?

Answer: A trocar is a sharp-tipped obturator inserted through a cannula (hollow tube) to create port access in minimally invasive surgery; both components have complex geometries including sealing valves, channels, and locking mechanisms requiring full disassembly, lumen flushing, and valve cleaning per IFU

Trocar and cannula systems create port access in laparoscopic and minimally invasive surgery. They contain complex internal valves, seals, channels, and mechanisms requiring complete disassembly, lumen flushing, and valve cleaning per manufacturer IFU for effective decontamination.

What is a periosteal elevator, and in which surgical specialty is it commonly used?

Answer: A periosteal elevator is a rigid, flat-bladed instrument used to lift and strip the periosteum (membrane covering bone) from the bone surface, primarily used in orthopaedic, dental, and maxillofacial surgical procedures

Periosteal elevators have flat, spatula-like blades used to strip periosteum from bone surfaces in orthopaedic, oral/maxillofacial, and dental surgeries. Common types include Cobb, Freer, and Molt elevators.

What distinguishes Babcock tissue forceps from other grasping instruments, and what tissue types are they designed for?

Answer: Babcock forceps have open, fenestrated (windowed), atraumatic jaws that encircle rather than crush delicate structures such as bowel, fallopian tubes, ureters, and the appendix without causing tissue damage

Babcock forceps have distinctive open, fenestrated, rounded jaws that encircle delicate hollow organs (bowel, fallopian tube, ureter) without crushing them — providing secure but atraumatic grasping for fragile structures.

What is a Weitlaner retractor, and how does it differ from handheld retractors in design and CSSD reprocessing requirements?

Answer: A Weitlaner is a self-retaining retractor with a hinged frame, rake-tipped blades, and a ratchet locking mechanism that holds itself open without assistance; CSSD must fully articulate and test the ratchet mechanism during inspection and ensure blades are clean between all tines

A Weitlaner is a self-retaining retractor that holds itself open via a ratchet mechanism, leaving surgeons' hands free. CSSD must verify the ratchet locks and releases properly at all positions and clean between all rake tines where tissue and blood accumulate.

How does a laparoscopic instrument's reprocessing requirement differ from standard open surgical instruments, and what makes reprocessing laparoscopic instruments more challenging?

Answer: Laparoscopic instruments are more challenging because they have narrow lumens, complex articulating jaws, insulation coatings requiring integrity testing, and often require complete disassembly per IFU — with areas inaccessible to standard cleaning without proper tools and protocol compliance

Laparoscopic instruments have narrow shaft lumens, complex distal jaws, and insulation coatings that require complete disassembly, specialized flushing, insulation integrity testing, and strict IFU compliance — making reprocessing significantly more complex than standard instruments.