Specification builder · Tier C
Ultrasonic surgical aspirator for tissue fragmentation, irrigation and aspiration in neurosurgery and liver surgery, with handpieces in the 20-40 kHz range, soft-tissue tips and optional laparoscopic, bone-cutting and coagulation functions
An ultrasonic surgical aspirator breaks up tumour and other soft tissue with a vibrating hollow tip and sucks it away while irrigation cools the tip, sparing most vessels and nerves. Tertiary neurosurgery and liver (HPB) units buy it for brain, spinal and liver tumour surgery. The key tender decisions are handpiece frequency, tip range, whether laparoscopic or bone-cutting tips are really needed, and the long-term price of single-use tips and tubing.
What this equipment will do
- Patients: adults and children having brain, spinal cord, liver and other soft-tissue tumour surgery (IEC 60601-1).
- Fragmentation, emulsification and aspiration of soft tissue and tumour with a vibrating hollow tip in the 20-40 kHz range, with declared frequency and tip vibration excursion (IEC 61847).
- Integrated sterile irrigation to cool the tip and adjustable suction that can be set low for work near vessels and nerves.
- Soft-tissue tips for tumour removal, with tip types and sizes as stated in the maker's data sheet.
- Footswitch control of ultrasound, irrigation and suction, with suction usable on its own, and alarms with output stop on handpiece or tip faults.
- Two handpieces of different frequency: a lower-frequency one for bulk removal and a higher-frequency one for fine work. (with the optional module)
- Linked irrigation and suction with ultrasound, and fine suction reduction by the surgeon at the handpiece. (with the optional module)
- Bone removal with bone-cutting tips in spine and skull-base surgery on the same console. (with the optional module)
- Laparoscopic liver and abdominal soft-tissue surgery through trocars with a laparoscopic instrument. (with the optional module)
- Coagulation of small bleeding points through the same handpiece with monopolar high-frequency current (IEC 60601-2-2). (with the optional module)
- Automatic recognition of the connected handpiece or instrument with matching default settings. (with the optional module)
- Reusable handpieces reprocessed by steam sterilisation following the manufacturer's validated instructions (ISO 17664-1, ISO 17665).
Not covered: Cutting and sealing vessels with clamp shears needs an ultrasonic surgical system (ultrasonic shears); an aspirator does not seal vessels.; Opening the skull, burring and drilling bone at high speed needs a high-speed neurosurgical drill and craniotome.; Destroying a liver tumour in place by heat (without removing it) needs a radiofrequency or microwave ablation generator.; Cataract lens removal needs a phacoemulsification system, which uses a different, eye-specific ultrasonic handpiece.
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Standards this specification draws on
- IEC 60601-1 General basic safety and essential performance of medical electrical equipment.
- IEC 61847 Measurement and declaration of the basic output characteristics (frequency, tip vibration excursion) of ultrasonic surgical systems such as surgical aspirators; current edition 2025.
- IEC 60601-1-2 Electromagnetic compatibility with other theatre equipment such as diathermy, monitors and navigation.
- IEC 60601-2-2 Particular safety requirements for high-frequency surgical equipment; applies only where electrosurgical coagulation through the handpiece is offered.
- IEC 62304 Software life-cycle for the console software that tunes the handpiece and controls output and pumps.
- ISO 14971 Risk management for medical devices.
- ISO 13485 Quality management system of the manufacturer.
- ISO 17664-1 Information the manufacturer must give for cleaning, disinfection and sterilisation of reusable handpieces and tips.
- ISO 17665 Validation and routine control of moist-heat (steam) sterilisation used for the reusable handpieces.
- IEC 62353 Recurrent and after-repair electrical safety testing of medical electrical equipment.
- DRAP Medical Devices Rules 2017 Registration required to import and sell medical devices in Pakistan.
Common mistakes in tenders for this equipment
- Copying one maker's trademarked system or tip names, or its exact frequency (for example a single kHz value), instead of a frequency range and declared tip vibration excursion; this excludes equal products.
- Requiring two handpiece frequencies, linked modes or automatic instrument recognition for a general tumour service; these narrow the field to one or two makers without clear clinical gain.
- Buying the console without pricing tips, tubing and replacement handpieces; most tips are single-use and are the largest running cost over 5 years.
- Only one handpiece: handpieces need careful reprocessing and are expensive to repair, so a single handpiece fault cancels cases.
- No CSSD training or validated reprocessing instructions, leading to blocked irrigation or suction lumens and cracked handpieces.
- Accepting DRAP registration of the console only; the exact handpieces and tips offered must also be covered.
- Accepting refurbished or end-of-life console models with limited tip availability; require current production with 10-year parts and tip supply.