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Cleanliness
When it comes to patient safety, every surgical instrument is critical. CSSD technicians understand the challenges of reprocessing and visually inspecting bone punches. Even the smallest overlooked area on a punch could pose a risk to patients, surgeons, and the hospital's reputation. However, there is a better way. We've designed the SQ.line® KERRISON to enhance instrument processing and efficiency. [1], [2]
Our SQ.line® KERRISON punch’s semi-detachable feature makes reprocessing and dis-/assembly of the instrument easier and more intuitive. [1] This feature also benefits intraoperative cleaning. Our intention is to ensure that the equipment is always in its cleanest condition and fully functional. CSSD technicians and OR managers appreciate how easy and effortless our instruments are to take apart and put back together, boosting department productivity, and saving valuable work hours for other tasks. [1]
For fast and efficient instrument processing the SQ.line® KERRISON does not require any manual pre-cleaning, saving you valuable time and effort in the cleaning process. [1], [2] Our SQ.line® KERRISON bone punches are also validated for the milking process, [3] eliminating the need for manual lubrication.
We interviewed CSSD personnel and are proud to report that 100% of them confirm a good to very good visual inspection. [1] Our intention is to design instruments that ensure the highest level of cleanliness and safety, and technicians recognise that.
Protecting the cutting edges and surfaces of our bone punches during transportation is essential to ensure durability. That's why we've designed the SQ.line® KERRISON rack, which offers increased protection during transportation. [4] Additionally, the punches can be sorted nicely on the rack, to enable fast instrumentation in the OR. [5]
So Clean!
[1] Usability test with CSSD and OR personnel. The usability test with CSSD and OR personnel was performed to validate multiple customer requirements in terms of the reprocessing and handling of the upwards cutting SQ.line® KERRISON. Ten people with an average CSSD experience of more then five years where interviewed. The suitability for reprocessing and the handling were rated positive.
[2] Cleaning validation without manual pre-cleaning.
[3] Milk lubrication test. Three samples of the SQ.line® KERRISONs were lubricated with an emulsion of water and surgical milk instrument lubricant. Afterwards, the samples were able to successfully punch a test card 50 times without jamming between the main part and the slider.
[4] The SQ.line® KERRISON shake test was performed to investigate the resistance of the Noir® plus surface to scratches in comparison with the existing bone punches. For this purpose a sieve basket and a SQ.line® KERRISON rack, both containing bone punches, were fixed on a vibrating plate. It could be demonstrated, that the scratching of surface is strongly reduced with the use of the SQ.line® KERRISON racks.
[5] A usability test for the SQ.line® KERRISON racks was performed to validate the realization of multiple user needs and other requirements. Ten Aesculap employees who have knowledge in storage and reprocessing of surgical instruments and are familiar with general OR techniques and OR environment were interviewed. All users rated the usability of the racks positive.
[6] Manual cutting endurance test. Three samples of two worst-case SQ.line® KERRISONs and previous Aesculap KERRISONs each were used to cut lamb spine 25 000 times. All SQ.line® KERRISONs were perfectly functioning after the test cycles without repair and thereby showed up to three times increased durability.
[7] Performance test aged. Five samples of the most delicate SQ.line® KERRISON bone punch with three corresponding previous Aesculap KERRISONs were compared. After aging the SQ.line® KERRISONs by 500 reprocessing cycles, they successfully passed all defined test criteria for the wearing parts. The SQ.line® KERRISON outperformed the previous Aesculap KERRISONs.
[8] Usability test with neurosurgeons. The usability test with neurosurgeons was performed to validate multiple customer requirements in terms of the performance and the ergonomics of SQ.line® KERRISON. The test was performed with 12 neurosurgeons within a simulated clinical environment. The performance and the ergonomic properties were rated positive.
[9] Jamming test. Five samples of three different SQ.line® KERRISONs and previous Aesculap KERRISONs were tested on lamb spine with 50 repeated punches. The SQ.line® KERRISON showed no jamming for the duration of the test.
[10] Handle comfort evaluation report. The SQ.line® KERRISON handle was compared in terms of comfort during use to its predecessor and one of its competitor’s handle. It is based on the visualization of prevailing surface pressure distributions during the actuation by means of pressure measuring foil. The SQ.line® KERRISON showed smaller areas of high surface pressure and a more homogeneous pressure distribution.
[11] Usability test with CSSD and OR personnel. The usability test with CSSD and OR personnel was performed to validate multiple customer requirements in terms of the reprocessing and handling of the upwards cutting SQ.line® KERRISON. Ten people with an average CSSD experience of more then five years where interviewed. The suitability for reprocessing and the handling were rated positive.
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