Company profile
Nami Surgical Developing the future of surgical precision using ultrasonic technology
Nami Surgical Limited is a UK company with status active founded in 2021.
Financial period: 1 Jan 2024 to 31 Dec 2024
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Nami Surgical develops technology for robotic surgery, with a focus on miniature scalpels for precision.
Nami Surgical Limited is a spin-out from the University of Glasgow. Postdoctoral researchers from the Centre for Medical and Industrial Ultrasonics (C-MIU, https://www.gla.ac.uk/research/az/cmiu/) working in the EPSRC Ultrasurge (Surgery enabled by Ultrasonics) Programme team (https://www.gla.ac.uk/research/az/ultrasurge/) have invented a solution to address a key ch. Ultrasound is used in the medical field for both diagnosis and therapy, the latter including surgery. Specifically, for therapeutic applications, high-intensity ultrasound (10 - 1000 Wcm-2) at frequencies between 20 - 100 kHz is used to permanently alter the tissue to which it is applied. Ultrasonic scalpels are handheld surgical devices that simultaneously cut and cauterise. Ultrasonic scalpels use the so-called thermal effect. Specifically, the tissue is heated to the point of denaturation. The tip of a device to generate this effect has a decoupled bifurcation, allowing the jaw to move and force the tissue onto the ultrasonic vibrating blade. The clamping pressure necessary to close the jaw is applied by the surgeon's hand through a mechanical lever. The induced friction causes the tissue to be heated, denaturated and cut in within few seconds, with no bleeding. The interaction between soft tissue and ultrasonic devices is complex, depending on the protein and water content of the tissue undergoing the surgical procedure. In general, tissue with high water content is easier to cut, whereas tissue with high protein content, such as blood vessels, nerves and connective tissue, requires more energy. The temperature can exceed 100 °C which is sufficient to denature proteins and, if the tissue is heated above its critical necrotic temperature, the damage is irreversible and beyond repair. The cutting and haemostatic effects are not independent and they happen simultaneously. These devices are the gold standard energy instrument used in >80% of minimally invasive surgeries. Feedback from surgeons is that they strongly prefer ultrasonic scalpels over conventional cutting tools. In parallel, surgical robotic devices are rapidly diffusing throughout the global healthcare system, with dozens of firms formed since 1999 to develop and manufacture these products. It is forecast that by 2025, close to 100% of US hospitals will have at least one surgical robot, up from about 25% in 2016. One of the most recent inventions in robotic surgery is represented by surgical instruments combined with articulated joints to enable a range of motions at the end effector similar to that of the human wrist, thus replicating the experience of open surgery. However, due to the technical characteristics and physical limitations of existing ultrasonic scalpels they cannot be used with articulated joints. In current ultrasonic cutting devices, only axial and rotation movements are permitted, as the transducers are too large to fit through the 5 - 10 mm trocar. The transducer is axially constrained to the robotic arm and the waveguide, which transfers the ultrasonic vibration from outside the human body to the end effector inside, cannot be bent. This represents a big disadvantage for surgical ultrasonic devices. In fact, although ultrasonic cutting has shown to be more precise and effective than other energy instruments, and with excellent coagulation speed, the latter are still preferred due to their dexterity. With current state-of the-art technology, ultrasonic transducer design, miniaturisation of an ultrasonic dissector cannot be achieved while still preserving device functionality and performance. Nami Surgical Ltd. solution is a miniaturised ultrasonic scalpel that is compatible with robotic surgery. This patent-pending technology allows the ultrasonic scalpel to be mounted directly as the end effector of a wristed robotic arm so addressing a real clinical and market need.allenge for ultrasonic surgical devices.
The company has so far raised the following funding: - £35k for market discovery. (Innovate UK - ICURe) - £15k for business model. (Innovate UK - ICURe) - £35k for the project: 'Fabrication and Validation of a functional miniaturized ultrasonic scalpel for robotic surgery'. (EPSRC-IAA) - £40k for company cashflow. (University Innovation Fund) - £300k 'Miniaturised ultrasonic scalpel for robotic surgical procedures'. (Innovate UK ICURe follow on funding: FY21 round 3) New funds raised in addition to above: - £100k Private Convertible Loan from Tharim BIO - £80k - Scottish EDGE Award: Miniaturised Bone Scalpel - £700k Biomedical Catalyst 2023 Round 2: Industry-led R&D: Driving System for Miniatursed Ultrasonic Scalpel (June 2024 start) - £2.5m Seed Investement - (Equity) with local Scottish investor (Start April)
The company has so far raised the following funding: - £35k for market discovery. (Innovate UK - ICURe) - £15k for business model. (Innovate UK - ICURe) - £35k for the project: 'Fabrication and Validation of a functional miniaturized ultrasonic scalpel for robotic surgery'. (EPSRC-IAA) - £40k for company cashflow. (University Innovation Fund) - £300k 'Miniaturised ultrasonic scalpel for robotic surgical procedures'. (Innovate UK ICURe follow on funding: FY21 round 3)
1 Dec 2024 to 30 Nov 2026
Ultrasonic cutting instruments, widespread in surgical procedures today for operations on both soft and hard tissues, use high-energy ultrasonic oscillations in the 0.1 mm range to effectively remove soft tissue, seal vessels, or dissect bone tissue depending on the resonance frequency. Advantages of ultrasonic surgery include the ability to cut and disse...
1 Jun 2024 to 31 Dec 2025
Nami Surgical Ltd is a spin-out from the University of Glasgow. Two PhD graduates trained within the Centre for Medical and Industrial Ultrasonics have conceived a solution which meets a significant unmet healthcare challenge for ultrasonic surgical devices. Ultrasonic scalpels are handheld surgical devices that simultaneously cut and cauterise soft tissu...
1 Aug 2022 to 31 Jul 2023
Nami Surgical is a spin-out from the University of Glasgow. Biomedical engineers from the Centre for Medical and Industrial Ultrasonics (C-MIU) in the EPSRC Ultrasurge (Surgery enabled by Ultrasonics) Programme team ([www.gla.ac.uk/research/ultrasurge/][0]) have invented a solution to a complex problem in ultrasonic surgical devices. Ultrasonic scalpels a...
