Kidney dishes are curved to maximise contact with the body’s contours, reducing fluid spillage in use, while the bean-shaped profile lets trays of different capacities nest for efficient sterilisation and storage. This ergonomic geometry, not any clinical link to the kidneys, is also the source of the tray’s name. In practice, anyone who has spent time in a clinic, hospital ward or laboratory has probably handled a kidney tray without giving its curved shape a second thought, yet this design is far from accidental. The kidney tray’s shape reflects decades of practical, clinical and ergonomic reasoning that still influences healthcare consumables today, and understanding why it has endured explains why it remains a staple across hospitals, aged care facilities, laboratories and schools throughout Australia.
What Is a Kidney Tray Used for in Healthcare Settings?
A kidney tray, also called a kidney dish, is a shallow, curved receptacle used across clinical and laboratory settings. Common uses include:
- Collecting used dressings, swabs and other clinical waste
- Holding sterile instruments during minor procedures
- Providing a receptacle for patients experiencing nausea
- Transporting small items safely between clinical or laboratory areas
Because of this versatility, kidney trays feature in general practice, hospital wards, dental clinics, aged care and school first aid rooms alike. Livingstone stocks a range of kidney dishes suited to these varied clinical demands, available in both reusable stainless steel and single-use options.
What’s Behind the Kidney Tray’s Curved Design?
A Shape Built for One-Handed Use
Beyond fitting the body, the tapered end of a kidney tray serves a practical clinical function. Clinicians can hold the tray securely with one hand while directing fluid, swabs or waste toward the narrow point, freeing the other hand to continue a procedure or attend to the patient. This single-handed usability is one reason the shape has persisted in busy clinical workflows, where efficiency and minimal repositioning matter.
A Design with Origins in Early Clinical Practice
The curved profile can be traced back to enamelled steel dishes used in early twentieth-century hospitals and field medicine, when equipment needed to be lightweight, easy to clean and simple to reuse under limited resources. As stainless steel and, later, disposable materials replaced
Enamelware, manufacturers retained the same curved profile because it had already proven itself functionally superior to flat-edged alternatives. Reusable stainless-steel equipment from that era, such as Livingstone’s instrument tray with cover, reflects this same design lineage, built for durability and repeated sterilisation alongside kidney trays in modern clinical settings.
Does the Name ‘Kidney Tray’ Vary Across Clinical Settings?
While ‘kidney tray’ and ‘kidney dish’ are the most common terms in Australian healthcare, terminology can shift depending on the setting or profession. Nursing staff often use ’emesis basin’ specifically when referring to its role during episodes of nausea, while some older clinical texts and dental practices still use ‘kidney basin’ or simply ‘receiver’. Regardless of the term used, all refer to the same curved, shallow tray, and none imply any specific link to renal or urological procedures, a misconception new clinical staff and students sometimes raise.
What Are Kidney Trays Made From?
Reusable kidney trays are typically manufactured from surgical-grade stainless steel, prized for its durability, corrosion resistance and ability to withstand repeated autoclaving. Disposable versions are made from moulded pulp or medical-grade plastic, offering a cost-effective, single-use alternative where cross-contamination risk needs to be minimised. The choice between the two often comes down to patient volume, budget and how much reprocessing capacity a facility has on hand.
How Are Kidney Trays Used in Infection Control?
As a reusable medical device, kidney trays fall under the reprocessing requirements set out in the Preventing and Controlling Infections Standard, part of the National Safety and Quality Health Service Standards administered by the Australian Commission on Safety and Quality in Health Care (ACSQHC). Health services must have processes in place to clean, disinfect and sterilise reusable equipment between uses, along with traceability of which instruments were used for which patient and procedure.
Further detail on how facilities should manage this is set out in the ACSQHC’s guidance on reprocessing of reusable medical devices, which applies equally to kidney trays, instrument trays and other reusable clinical equipment. For settings that prefer to avoid reprocessing altogether, single-use disposable kidney trays offer a straightforward way to reduce infection risk between patients.
FAQ’s:
What is another name for a kidney tray?
A kidney tray is also known as a kidney dish or, in some regions, an emesis basin, reflecting its common use for collecting fluids during patient care.
Why are kidney trays curved instead of round?
The curve gives clinicians a secure one-handed grip while directing fluid or waste toward the tapered end, and the shape has been retained from early enamelware designs because it has consistently outperformed flat-edged alternatives in clinical use.
Are kidney trays reusable or single use?
Both options are available. Stainless steel kidney trays are reusable and must be reprocessed according to ACSQHC infection control requirements, while pulp or plastic versions are designed for single use.
Are kidney trays only used in hospitals?
No. Kidney trays are used across a range of settings, including general practice, aged care, dental clinics, laboratories and school first aid rooms, wherever a shallow, easily positioned receptacle is needed.
References
- Australian Commission on Safety and Quality in Health Care (ACSQHC) 2024, Preventing and Controlling Infections Standard, ACSQHC, Sydney, viewed 17 July 2026,
- Australian Commission on Safety and Quality in Health Care (ACSQHC) 2024, Reprocessing of reusable medical devices, ACSQHC, Sydney, viewed 17 July 2026,
