Cleaning Up the Operating Theatre Stryker’s Integrated Medical Waste Management System

Stryker Corporation has filed a patent for a medical waste management system designed to be integrated directly into a medical facility’s fixed infrastructure – using a ceiling-mounted boom to support a waste collection and processing system that removes the need for portable, floor-level waste containers in surgical environments.

The Problem

Managing liquid waste in surgical and medical procedure rooms is a persistent operational and infection control challenge. During surgery, suction is used extensively to remove blood, irrigation fluids, bodily secretions and other liquid material from the operative field. This liquid waste must be captured, measured and eventually disposed of safely – all while maintaining a sterile and uncluttered environment around the patient and surgical team.

Traditional approaches rely on portable canisters or suction canisters attached to mobile carts or wall-mounted frames. These containers fill up during procedures, must be monitored by staff, can spill if knocked over, generate biohazardous waste that requires careful handling and disposal, and occupy valuable floor space in already crowded operating rooms. Frequent emptying or canister changes interrupt procedures and increase the risk of staff exposure to infectious material.

There have been moves toward more integrated systems where waste is collected into containers that can be drained or processed without removing the entire canister. However, integrating such a system into the built environment of a medical facility – in a way that is both effective and practical for clinical staff – has remained an engineering challenge. The ideal solution would use the facility’s existing infrastructure, minimise the handling of biohazardous material and keep the operative floor area as clear as possible.

What This Invention Does

Stryker’s invention approaches medical waste management from above rather than below. The system is built around a boom secured to a fixed structure of the medical facility – typically ceiling-mounted or attached to ceiling-suspended arms – from which a waste container is suspended. This overhead mounting keeps the waste system off the floor, significantly reducing the equipment footprint in the operative area and minimising the risk of contact or collision.

The waste container is designed to receive liquid waste material through a suction line, with the vacuum provided by a pump that may be integrated into the facility’s fixed infrastructure rather than mounted on a portable cart. The system includes a vacuum port in fluid communication with the waste volume inside the container. Discharge and cleaning ports are also provided, enabling the container contents to be removed and the container to be cleaned – potentially without physical contact with the waste material by clinical staff.

A mobile cart can be coupled with the boom to allow the waste container to be removed and replaced when needed, while the service head – the functional core of the system – remains attached to the boom. An integrated liquid measuring system provides real-time monitoring of the volume of waste collected, which is important for clinical assessment of fluid balance during surgery. The overall architecture creates a system that is simultaneously fixed (in terms of the boom and facility-integrated vacuum and offload infrastructure) and flexible (in terms of the waste container that can be serviced or replaced).

Key Features

Ceiling boom mounting. The waste management system is suspended from a boom secured to the fixed structure of the medical facility, freeing floor space and reducing the risk of spills, collisions or contamination from floor-level equipment.

Facility-integrated vacuum pump. Rather than relying on a portable vacuum pump on a cart, the system can connect to a vacuum source integrated into the facility’s infrastructure, simplifying the operative environment.

Discharge and cleaning ports. Purpose-built ports enable the waste volume to be emptied and the container cleaned without requiring staff to directly handle contaminated material, reducing infection risk.

Liquid waste measuring system. An integrated measurement capability allows the volume of liquid waste to be monitored in real time during procedures, providing clinically useful information about patient fluid balance.

Mobile cart compatibility. The waste container can be mounted on a mobile cart that couples with the boom, enabling flexible removal and servicing while the overhead service head remains in position.

Who Is Behind It?

This application comes from Stryker Corporation, whose product range spans orthopaedics, medical and surgical equipment and neurotechnology. The inventors – Wojciech Kazimierz Timoszyk, Brian MacLachlan and Stephen J. Reasoner – bring expertise in medical device systems and fluid management. This application is a divisional of an earlier filing (AU 2019394781), reflecting a multi-year development and refinement effort in the medical waste management space. It is filed through Davies Collison Cave, a leading Australian intellectual property firm.

Why It Matters

Surgical suite efficiency and infection control are two of the most important operational priorities in modern hospitals. Both are directly affected by how liquid waste is managed during procedures. Systems that reduce the need for staff to handle biohazardous material, that minimise equipment clutter in the operative area, and that can be integrated into the facility’s infrastructure rather than requiring repeated manual servicing, represent a meaningful step forward in surgical environment design.

The overhead boom approach also aligns with broader trends in operating room design, where surgical booms are increasingly used to manage cables, gas supplies and monitoring equipment. Extending this paradigm to waste management makes logical and practical sense – placing more of the supporting infrastructure above the level of clinical staff and the sterile field, where it is out of the way and harder to accidentally contaminate. For hospitals managing high procedure volumes, the cumulative benefit of a more integrated, lower-touch waste management system could be substantial in terms of staff time, infection risk reduction and overall operative efficiency.

---

AU 2026201569 was published in the Australian Official Journal of Patents on 19 March 2026 and is open for public inspection. Patent applications represent inventions that are sought to be protected and do not necessarily reflect commercially available products.