When considering breast augmentation or reconstruction surgery, it’s natural to explore the tools and techniques that may be used to support the surgical process. One such device is the Keller Funnel, a single-use medical instrument designed to assist with silicone breast implant placement.
In this article, Dr Mark Kohout, Plastic Surgeon based in Sydney, Australia, discusses how the Keller Funnel fits into modern plastic surgery techniques and what patients should know when planning their procedure. This information may help individuals make more informed decisions about their care.
The Keller Funnel is a sterile, cone-shaped device made from a flexible, hydrophilic-coated polymer. It is commonly used in breast augmentation and reconstruction to support the insertion of silicone implants. The hydrophilic coating becomes slick when moistened, reducing friction and allowing the implant to be delivered smoothly into the surgical pocket.
By reducing direct contact with the implant during placement, the device is intended to assist with maintaining sterility throughout the surgical process. This is an essential consideration in preventing bacterial contamination, which is one of several factors associated with the development of complications such as capsular contracture. Limiting direct contact between surgical gloves, skin, and the implant surface may contribute to a lower chance of bacterial introduction.
Originally developed to enhance the safety and efficiency of implant insertion, the Keller Funnel is now a tool used by many plastic surgeons worldwide as part of an approach known as the “no-touch” technique. This approach aims to avoid direct handling of the implant, potentially reducing bacterial exposure. It also allows for a more streamlined workflow within the operating theatre.
During a breast implant procedure, the Keller Funnel is prepared by hydrating its interior coating. This makes the internal surface slippery and ready to facilitate the delivery of the implant. The silicone implant is then loaded into the wide end of the funnel.
Once positioned correctly, the surgeon gently compresses the funnel to guide the implant through the narrow tip and into the breast pocket. This allows for controlled, targeted placement with minimal manipulation. The Keller Funnel can accommodate various implant shapes and sizes, including round and anatomical silicone gel implants. Some models also allow trimming of the funnel tip to better match the desired implant dimensions.
Dr Mark Kohout, a Plastic Surgeon practising in Sydney, incorporates tools such as the Keller Funnel when clinically appropriate. This may be part of a tailored surgical plan that takes into account a patient’s goals, implant type, anatomy, and chosen incision site (such as inframammary or periareolar). The decision reflects not only anatomical factors but also technical preferences based on years of surgical experience.
It is important to present any surgical tool’s features with accuracy and balance. While outcomes vary from patient to patient, the Keller Funnel may support certain technical goals during breast surgery:
The Keller Funnel is designed to reduce manual contact with the implant during insertion. This supports techniques that aim to reduce the likelihood of introducing skin bacteria to the surgical site. A reduction in direct contact may help support sterility protocols, although it does not eliminate risk entirely. In practice, this may lead to a more consistent application of sterile technique during implant delivery.
The funnel may allow the surgeon to use a more limited incision, depending on the implant size and surgical approach. Smaller incisions may be preferred in some cases for aesthetic reasons or to align with patient preferences. However, the final incision size will always depend on individual anatomy and the specific requirements of the procedure. A smaller incision may also contribute to a discreet scar location when placed in the inframammary fold.
By allowing the implant to glide smoothly into position, the device may assist with consistent placement particularly relevant for anatomical or form-stable implants, which must be correctly oriented. Smooth delivery may also support the surgeon in maintaining even pocket dimensions, which is a consideration in symmetrical outcomes. This can be especially useful when working with larger implant sizes, where precision in placement helps maintain symmetry and projection.
Not all procedures require the use of the Keller Funnel. Its inclusion in surgery depends on several factors, including implant type, incision location, surgical approach, and patient-specific goals.
In his Sydney-based practice, Dr Mark Kohout, Plastic Surgeon, assesses each case individually. The decision to use devices like the Keller Funnel is made as part of a comprehensive surgical plan developed during consultation. This ensures that the approach reflects both clinical standards and patient expectations.
The Keller Funnel is most commonly used with silicone gel implants rather than saline implants, and is typically part of inframammary fold or periareolar incision techniques. Its use may not be necessary for every implant size or surgical pathway. Some surgeons may also consider factors such as prior scarring, patient body type, and the overall goal of the surgery when determining whether to use this tool.
Patients considering breast surgery often ask about the tools used in the procedure. Common questions include:
Use of the device depends on clinical needs and will be discussed during your consultation. It is not a requirement for all procedures. Your Plastic Surgeon will evaluate whether its inclusion would support the goals and method of your individual surgery.
While it may support certain aspects of the procedure, outcomes depend on many factors including surgical planning, tissue characteristics, implant selection, and healing. The Keller Funnel is one of several tools available to the surgeon to assist with implant delivery and consistency.
Recovery varies between individuals. The Keller Funnel is one part of a broader technique and may influence the surgical experience. However, there is no single device that determines recovery on its own. Factors such as incision care, postoperative support garments, and adherence to activity guidelines all contribute to recovery.
The Keller Funnel is compatible with many types of silicone gel implants, including both smooth and textured surfaces. Suitability is determined by the surgeon based on implant type and the surgical plan. It may not be used for saline implants or in cases where the implant shell design does not benefit from assisted delivery.
As with any medical device, the Keller Funnel must be used according to clinical guidelines and surgeon expertise. While generally regarded as a low-risk tool, its use is governed by sterile technique and surgical judgement. Improper usage could compromise implant positioning or increase friction; however, in experienced hands, these risks are typically minimal.
The Keller Funnel is a supportive tool not a substitute for clinical judgment or experience. The decision to use it should be guided by the surgeon’s assessment of what will best support a safe and precise operation. The surgeon’s familiarity with the device and surgical planning process is central to its effective use.
Dr Mark Kohout, Plastic Surgeon in Sydney, takes a patient-specific approach to all breast procedures. He may include the Keller Funnel when it aligns with the planned surgical method and patient preferences. Every element of surgery, including the use of instruments like the Keller Funnel, is considered within a broader context of safety, suitability, and individual anatomy.
Patients should feel comfortable in asking their surgeon about the rationale for tool selection and how it relates to their own care plan. In a one-on-one consultation, these discussions provide insight into how surgical tools are matched to patient needs.
Understanding the tools and methods used in breast surgery can help patients feel more informed about their choices. Devices like the Keller Funnel are part of an evolving field of surgical innovation, aimed at refining techniques to support consistent, efficient procedures.
Choosing to undergo breast augmentation or reconstruction is a highly personal decision. Tools such as the Keller Funnel may be one part of a carefully considered surgical strategy designed to support technical precision. However, it is the overall combination of surgical planning, communication, and post-operative care that contributes to a patient’s experience and outcome.
Patients in Sydney, Australia, considering breast augmentation or reconstruction are encouraged to schedule a consultation with Dr Mark Kohout. During this appointment, you can learn more about your options and discuss whether tools like the Keller Funnel may be incorporated into your individualised treatment plan. As with all surgical interventions, a thorough consultation is essential to determining the most appropriate approach for your needs.
To explore breast surgery options or to schedule a consultation with Dr Mark Kohout, Plastic Surgeon Sydney, visit https://drmarkkohout.com.au. The site offers further insights into surgical approaches and the comprehensive care provided at the Sydney practice. A professional consultation provides the opportunity to ask questions, review your goals, and receive guidance tailored to your anatomy and preferences. All consultations are confidential and structured to support informed, thoughtful decision-making.
Dr. Mark Kohout is a highly qualified specialist plastic and reconstructive surgeon with over 25 years of experience, based in central Sydney.
Trained in Great Britain, Australia, and the U.S., he co-founded Australia Plastic Surgery. Specializing in breast, genital, and male breast surgeries, he is a certified member of the Australian Society of Plastic Surgeons (ASPS) and the Royal Australian College of Surgeons (RACS).
Dr. Kohout has appeared in media like The Biggest Loser and has published several articles in his field.
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