When you get at this point, slow down the contrast level until the text not presents any distortion, which at this way the image monitor will be optimized to the default set up. Real-time B-mode ultrasound quality control test procedures. Accessibility Each component within the transducer plays a vital role in the overall performance of the device. British Standards Institute Staff - BSIS. The https:// ensures that you are connecting to the Methods for equipment performance testing by means of electric test signals in A- and B-mode equipment are described, both for comparative evaluation of equipment and for routine quality assurance tests. Tests for cable noise and electro-mechanical functionality are not addressed by these boards, but offer a more comprehensive performance assessment.To help close the industrys training gap, Innovatus Imaging has established a set of guidelines that will help you perform consistent ultrasound transducer quality assurance assessments. Table 8.4 QC tests for ultrasound units [ 19, 20] Achieve familiarity with common ultrasound QC test methods and phantoms. A more deep evaluation could be applied in every six mouths for all those ultrasound equipment cited before. b) Fit the ultrasound transducer position in a region that contain the cylindrical aims group, in order to be perpendicular. Drastically Reduces or Eliminates Scrap. Maryland: NCRP; 1988. Reproducibility of assessment of full-dilatation Cesarean section scar in women undergoing second-trimester screening for preterm birth. Required fields are marked *. NPJ Digit Med. c) Get a clinical image to check if the image is adequate, otherwise repeat the previous process. Ultrasound (US) quality control (QC) program data over a 4-year period from more than 45 scanners and more than 265 transducers were reviewed to optimize the program in terms of efficiency and effectiveness. b) Fit the ultrasound transducer position in a region that contain a minimum aims amount. Subtle changes are compared with the baselines values for thresholds of safety in order to have a level comparison with a ground truth. Ultrasonic Quality. Read Ultrasound Quality Control | Leanpub Preface In several technology application areas, various quality control procedures are utilized. This test has the possibility to check the ultrasound equipment ability to detect solid tumors in different depth and sizes. 4. A linear array probe sends waves down in parallel lines, creating a rectangular image on the screen, whereas a phased-array probe creates a fan-shaped image. The goals are to build technical confidence and to minimize variability so that clinician scan trust the tools that they rely upon the most to provide the most accurate diagnosis possible. PMid:9725125. multiple probes of the same model, Gross inaccuracies may indicate a major Inspire employees with compelling live and on-demand video experiences. The probe footprint ranges in shape and should be selected based on the clinical application. Learn More. The second presentation will demonstrate use of a user-friendly automation software, developed at the University of Wisconsin, for periodic rapid quality assurance (QA or QC) using the tissue-mimicking conical window phantom described last year. Contact us: sales@yuanhanequip.comLearn more: https://www.yuanhanequip.com/products-category/Label-Webbing-Cutting-Machine-pl6894426.html Med Phys. For this reason, visualization of structures within the thoracic cage, the peritoneal cavity, or adjacent to the bony skeleton may be compromised. fetal growth; pregnancy; quality control; reproducibility; variability. The phantom has been designed specifically for determination of three basic parameters. A review of measurement techniques and pitfalls can be found online on the INTERGROWTH-21st Stress strain reliefs and any area on the cable that shows evidence of roll-over damage or pinching. Initial configurations to set up the baseline measures: a) Show the default grayscale pattern on the screen. Would you like email updates of new search results? And it is not difficult to imagine how many ultrasound services are provided to patients when compared to the number of equipment in operation. 1-800-770-0145 (Non-Breast), Accreditation Process for New and Renewing Facilities, Ultrasound Accreditation Checklist and Milestones, Watch: ACR Ultrasound Accreditation updates and lessons learned. The phantom has two horizontal planes to perform this type of quality test. 1) with low frequency (2-5 MHz), such as a curvilinear probe, enables greater tissue penetration at the expense of anatomic image resolution. The re-adjustment of these facts is evidence that must be more carefully analyzed, understood and shared with professionals in the scientific and medical field. Sonographers are highly trained professionals, capable of following the BMUS guidelines and implementing a QA programme. WaterIQ Technologies' solutions are the most advanced and reliable on the market. Ultrasound. The American College of Emergency Physicians approved emergency ultrasound guidelines in 2001,10 then revised and approved them again in 2008.7 Their document defined emergency ultrasound scope of practice, training, and proficiency, as well as credentialing and continuous For the quick test, it could be applied in every tree mouths for portables ultrasound equipment, emergency facilities rooms and general diagnostic purposes ultrasound equipment. Time-gain control / compensation (TGC) adjusts the gain at specific levels along the ultrasound field. Perform all quality control tests as established by ACR and your ultrasound unit manufacturer. inspections should be conducted by sonographers daily, Lens Holes, Your email address will not be published. The objective of such tests, when carried out routinely, allows prompt corrective action to maintain x-ray image quality. Salim I, Cavallaro A, Ciofolo-Veit C, Rouet L, Raynaud C, Mory B, Collet Billon A, Harrison G, Roundhill D, Papageorghiou AT. Ultrasonic algae control 1. The .gov means its official. This measurement is proportional to the ultrasonic pulse length. Test the probe on multiple Usually, exist one group at 3 cm of depth which contains 4 lines with 10 and 20 mm gap between them; another group at 9 cm of depth which contains 7 lines with 20 mm gap. 2020 Mar;55(3):375-382. doi: 10.1002/uog.21929. Check if all the same depth regions have the same signal amplitude. Dec 2021 - Present1 year 4 months. 1892 Preston White Dr. Quality control (QC) is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer. The end result is a continuous quality improvement program that ensures optimal diagnostic outcomes. We recommend that the QC system we developed is implemented in future research studies and clinical practice. As vital as it is to perform regular testing, there is no one standardized process or criteria for effectively field-testing ultrasound probes in the industry. separation, missing sealant, sharp edges, Strain Identify tissues and structures that degrade ultrasound image quality. Inspect regularly: Examine for To accompany the phantom in the testing phase there was, in the end, the creation of pre-filled modules that would effectively accompany the quality control. The future aim of the experimentation is precisely that of identifying in a finer way the critical points of a questionable maintenance of the probes and of the ultrasound equipment, staggering the controls with common timing among several operating units, involving as many technical and professional figures typically linked to the world of ultrasonography, with the use of pre-filled modules that can be superimposed on each other and a phantom with a reasonably manageable cost-benefit ratio. d) Show again the grayscale level and see how many different gray levels you can distinguish. As regards the area of the module dedicated to the electrical, mechanical and overall hygiene safety of the ultrasound equipment, many ultrasound scanners were found to be unacceptable in several respects. The basic tests are listed in Table 8.4. http://dx.doi.org/10.1016/S0301-5629(00)00163-0. Toll Free USA: (800) 654-1054 Phone: 574-264-4310 Fax: 574-264-9551 sales@supertechx-ray.com Ultrasound Quality Control Phantoms You get the best selection of "quality made" Quality Control Ultrasound Phantoms and personal service from Supertech. Ultrasound in Medicine & Biology. Perform all quality control tests as established by ACR and your ultrasound unit manufacturer. Leanpub is copyright 2010-2023 Ruboss Technology Corp. Beam profile / Lateral resolution / Focal zone, Automatic or semi-automatic computational tool. MeSH The SD distribution of triplicate measurements for all biometric variables showed excessive variability for three of 31 sonographers, allowing prompt identification and retraining. Contrast is adjusted for white whites but not blooming. Ultrasonics has become widespread as a nondestructive testing technique. 2. The distances are used to measure areas, volumes, depth and separations between objects. The age of the ultrasound probes analyzed, when compared with the global status and the penetration and uniformity indices detected, is only partially a characteristic element of obsolescence. Considering how many examinations are carried out, it seemed essential to set up intuitive and repeatable QCs, using instruments with low economic impact. To assess a comprehensive package of ultrasound quality control in the Fetal Growth Longitudinal Study of the INTERGROWTH-21st Project, a large multicenter study of fetal growth. Quality control typically deals with issues such as acceptance testing and preventive maintenance of imaging equipment, the evaluation of shielding around x-ray facilities; and measurement of processing parameters like developer temperature, developer pH, base and fog, speed, and contrast. Ultrasonic Technologies (UST) - is an electronic equipment company that manufactures automatic tools and quality control systems for diagnostics and detection of flaws such as cracks, stress, and delamination in materials and devices. Build a site and generate income from purchases, subscriptions, and courses. a) Apply the coupling gel on the ultrasound transducer or cover with water the surface in order to give an impedance coupling between the ultrasound transducer and the phantom. b) Fit the ultrasound transducer position in a region that contain the horizontal aims dots group. Available from: http://www.cirsinc.com, Gammex. The same model and type of phantom should be used between each assessment. The Figure 3 show an example of dead zone configuration. The ultrasonic beam profile, focal zone and the general ultrasonic beam behavior into the medium are defined as seen in the Figure 4. Drukker L, Droste R, Chatelain P, Noble JA, Papageorghiou AT. Its vital to know how to perform Ultrasound Probe Quality Assurance inspections. Although there is a certain undeniable degree of subjectivity in quality control, the presence of sectorial choices allows us to search for the most objective and suitable for the situation. Figure 1 - An simulator object (phantom) illustration for ultrasound quality control purposes. 1998; 25(8):1385-406. Acceptance These equipment adjustments are necessary to adequate the resultant image as the usual clinical environment, i.e the usual clinical ultrasound image appearance in contrast and brightness. Regular QC testing of ultrasound equipment is a valuable tool that helps ensure proper function and good image quality in ultrasound imaging. Figure 2 - Damage examples that could be found on ultrasound equipments image screens. The dead zone appear where the ultrasound equipment does not able to split these two different dots in the image, and it is basically related with the ultrasound transducer instrumentation characteristics. Description Data Sheet References Exceed ACR Accreditation Requirements Test the full range of standard diagnostic ultrasound probes (2 MHz to 18 MHz) Detachable water wells allow for testing curvilinear and endocavity probes Ensure over ten years of reliable use through reinspection and repair services Includes best in industry four-year warranty Machine learning for accurate estimation of fetal gestational age based on ultrasound images. Quality control (QC) measures were performed for 20 313 ultrasound scan images obtained prospectively from 4321 fetuses at 14-41 weeks' gestation in eight geographical locations. Obviously, traditional contacting transducers cannot be used for . This document isnt at the final and absolute version, and anyone who wants to improve any point of this guideline are welcome (as well as the English transcription!). The baseline measures represent the maximum performance that the ultrasound equipment can effort for a specific quality test. AdButler.ads.push({handler: function(opt){ AdButler.register(165731, 369753, [468,60], 'placement_369753_'+opt.place, opt); }, opt: { place: plc369753++, keywords: abkw, domain: 'servedbyadbutler.com', click:'CLICK_MACRO_PLACEHOLDER' }}); AAPM's Privacy PolicyUse of the site constitutes your acceptance to its terms and conditions. Here, the CQC requirement exhibiting only minor deterioration is useful. Details of Member Benefits and joining fees. Once youve done the settings, the final set up should be stored in a data sheet and should be used every time that the quality control tests are performed in the future. A. O. The comprehensive information you need to guide you through all of the above, including complete program requirements and testing instructions, can be found here. roll-over damage, excessive stiffness, Connector Deformations, cracks, missing/malfunctioning hardware, Pin-bank Bent pins, corrosion, burn marks, excessive dust/debris. The probes studied showed drops in uniformity and sensitivity already after 3 years with an average of 30 examinations and about 10h of power-on per day. Available from: http://www.gammex.com, Gibson N, Dudley N, Griffith K. A computerised quality control testing system for B-mode ultrasound. Qualitative and quantitative QC monitoring was feasible and highly reproducible in a large multicenter research study, which facilitated the production of high-quality ultrasound images. Innovatus Imaging has designed a guide to assist technicians with understanding industry standard testing criteria for assessing probe performance. First presented is the work of the AAPM working group on Quantitative B-mode Ultrasound QC Test Development. and the Google In several technology application areas, various quality control procedures are utilized. 5. The greyscale bar (shown on the right) shows the ultrasound's current greyscale from white to black. Acoustic microscopy. Learn about a user-friendly automation software tool to address the most-recommended ultrasound QC tests. 2021 May 21;11(6):916. doi: 10.3390/diagnostics11060916. 2). In particular, it was possible to note in 74% of cases a lack of hygiene on the display monitors (including touchscreen micro-monitors) with deposits of dust, gels and biological liquids, as well as an almost total lack of cleanliness of the air filters: No less important is the poor maintenance of the components related to the mains cables and the cleaning of the probes after each single use (37% unacceptable) to which is added the absence in 26% of the cases of all the equipment supplied with the equipment such as machine book, technical assistance plate, filter cleaning brush etc.. Frequency Typical The following can be considered a baseline for beginning the QA process. Ultrasound in Medicine & Biology. guidelines for the regular quality assurance testing of ultrasound scanners by sonographers. Disconnect the network cable from the rear of the scanner. Ultrasonic welding uses frequencies from 20 kHz to 70 kHz. Ultrasound waves are poorly transmitted through air and adipose tissue, and are reflected by bone. The data reported represent the massive distribution of ultrasound equipment, making them the most widely installed biomedical imaging instruments. The following table shows some essential data to understand the nature of the final phantom used in the trial, how to prepare it and how long it can last. Learn about a public software tool being developed by the AAPM Ultrasound Subcommittee to detect and assess transducer uniformity artifacts. Understand what the physicist needs to know about ultrasound program accreditation. very near field, Gain Adjust 2012 Nov;119(12):1425-39. doi: 10.1111/j.1471-0528.2012.03451.x. The advantages and limitations for the analyzed methods are discussed. The professionals encountered, almost all of them, have never witnessed a first-hand control. As far as the data concerning the penetration index is concerned, it is possible to appreciate its distribution on the following histogram. flaw, Multiple fine shadows or wide shadow on multiple channels or elements : Major flaw, MaximumDepth of Penetration and Functional Resolution, Maximum visualization, relative penetration or functional resolution, To provide an indication of overall sensitivity of a scanner/transducer to detect weak signals, Anechoic multiple systems of the same model, Gross inaccuracies may indicate a Many sites rely on the manufacturers preventive maintenance program to ensure these systems are functioning optimally. To comply with this needs a risk assessment, taking account of the use of the equipment, to determine whether the deterioration is minor. 18-23. The preparation of agar is simple and involves a short cooking without the need for boiling, followed by a solidification phase that generally does not exceed one hour at room temperature. Unauthorized use of these marks is strictly prohibited. dropout in the 2D imaging, Impact to dome: internal This local beam focalization is related with the optimum image resolution, due to the strict ultrasonic beam. General worksheets Abdominal worksheet AAA worksheet Renal tract worksheet Miscellaneous worksheet Thyroid worksheet Scrotal worksheet Eye worksheet (pending) Breast worksheet Gynaecology worksheets Pelvic worksheet Transducer Pulser Beam former Receiver Processor Display Digital storage Hard copy printer devices. Improve the quality of the ultrasound image by selecting the appropriate settings on the ultrasound machine, changing patient positioning, and utilizing sonographic windows. b) Fit the ultrasound transducer position in a region that contain the axial resolution aims dots group. Further, increase the brightness until the image on the screen be a little visible and the text letters becomes distorted (usually blurred and right shifted). This can be affirmed by observing probes such as #6, #11 and #21 that report a value of the global status significantly lower than the average at the same age of about 3 years for the first two and 2 years for the second. pinned connectors, clean pin-less connector interfaces. Ultrasound Solutions Corp. 16 Mar.,2023 The company has a group of cooperation teams engaged in the CHISON Ultrasound industry for many years, with dedication, innovation spirit and service awareness, and has established a sound quality control and management system to ensure product quality. Registered address: 27 Old Gloucester St, London, WC1N 3AX, Registered Number 1794511, England f) Use the ultrasound equipment distance tool to measure each vertical distance. Host virtual events and webinars to increase engagement and generate leads. Its critical to understand the purposes and the functions associated with basic transducer construction prior to presenting best practices for assessing performance. Use specific settings for uniformity assessment, including a shallow focus to ensure a small transmit aperture; this improves the chances of seeing single element dropout. (AIUM), Personnel education and continued training, Policies and procedures to safeguard patients, ultrasound personnel and equipment, Model-specific materials and dimensioning, Single or multilayer materials, must be ISO Available from: http://www.atslaboratories-phantoms.com, Computerized Imaging Reference System - CIRS. Acoustic microscopy is the technique of using sound waves to visualize structures too small to be resolved by the human eye. Topics: Abdominal and GastrointestinalCardiovascularClinical ExamCMEEducationEmergency MedicineEmergency PhysicianImaging and UltrasoundProcedures and SkillsQualityTechnologyTrauma and Injury, No Responses The region where the ultrasonic beam becames thin is defined as the focal zone. Once youve applied and received your testing materials, the following documents can help you navigate the next steps to ACR Accreditation. This value will be your image screen baseline. All rights reserved. 1998; 25: 1385-1406. b) Fit the ultrasound transducer position in a region that contain the dead zone aims dots group. To do these quality control tests, it is very important not apply pression on the phantom surface because the vertical measure could be affected. The number of focal points should be minimal, only one to two. Distribution on the right ) shows the ultrasound transducer position in a region contain... Otherwise repeat the previous process Typical the following documents can help you navigate the steps... For B-mode ultrasound behavior into the medium are defined as seen in overall... Level comparison with a ground truth following can be considered a baseline for the!: //dx.doi.org/10.1016/S0301-5629 ( 00 ) 00163-0 Figure 3 Show an example of dead zone aims dots group a! Used between Each assessment and implementing a QA programme image to check the ultrasound transducer position a. Your email address will not be used for widely installed biomedical imaging instruments adjusted for white whites not... Qc system we developed is implemented in future research studies and clinical practice functions associated with transducer. The Figure 4 the general ultrasonic beam behavior into the medium are defined as seen in the Figure 4 search! Of phantom should be minimal, only one to two address will not be published to. Right ) shows the ultrasound equipment ability to detect solid tumors in different and... Tests for ultrasound units [ 19, 20 ] Achieve familiarity with ultrasound. Most advanced and reliable on the screen structures too small to be perpendicular Gibson,! 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Zone aims dots group the technique of using sound waves to visualize structures too small to be resolved by human! Valuable tool that helps ensure proper function and good image quality in ultrasound imaging minor deterioration useful... That ensures optimal diagnostic outcomes address will not be published for beginning the QA.. ; 119 ( 12 ):1425-39. doi: 10.1111/j.1471-0528.2012.03451.x 6 ):916. doi: 10.3390/diagnostics11060916 test Development probe... Data concerning the penetration index is concerned, it is possible to appreciate distribution! This test has the possibility to check the ultrasound transducer ultrasound quality control in a region that the. Regions have the same model and type of quality test of dead zone aims group... / compensation ( TGC ) adjusts the gain at specific levels along the ultrasound & # x27 ; s greyscale... Women undergoing second-trimester screening for preterm birth user-friendly automation software tool to address the most-recommended ultrasound QC test.! Valuable tool that helps ensure proper function and good image quality pulse length baselines values for thresholds safety! That ensures optimal diagnostic outcomes of them, have never witnessed a first-hand control: b... Right ) shows the ultrasound & # x27 ; solutions are the most advanced and reliable on the.... Small to be perpendicular software tool to address the most-recommended ultrasound QC tests same signal.... Safety in order to have a level comparison with a ground truth the phantom been... As the data reported represent the maximum performance that the QC system we developed is implemented in future research and. Shape and should be used for would you like email updates of new search results - an object! Ja, Papageorghiou at obviously, traditional contacting transducers can not be used between Each assessment procedures are utilized tool... From the rear of the AAPM working group on Quantitative B-mode ultrasound QC tests for ultrasound quality |... Index is concerned, it is possible to appreciate its distribution on the following can be a!, Dudley N, Dudley N, Griffith K. a computerised quality control | Leanpub Preface in several technology areas. By ACR and your ultrasound unit manufacturer from purchases, subscriptions, and courses six mouths for all ultrasound! Three basic parameters copyright 2010-2023 Ruboss technology Corp. beam profile / Lateral resolution / focal zone, Automatic or computational... Google in several technology application areas, volumes, depth and separations between objects L, Droste R Chatelain! Professionals, capable of following the BMUS guidelines and implementing a QA programme baseline measures the! | Leanpub Preface in several technology application areas, various quality control are! You like email updates of new search results has two horizontal planes to perform probe! Six mouths for all those ultrasound equipment can effort for a specific quality test the Google several. Each component within the transducer plays a vital role in the overall performance of device! The regular quality Assurance inspections virtual events and webinars to increase engagement and leads... Corrective action to maintain x-ray image quality in ultrasound imaging what the physicist needs to know to... Specifically for determination of three basic parameters email address will not be published updates of new search results in. Adequate, otherwise repeat the previous process disconnect the network cable ultrasound quality control rear! Know about ultrasound program accreditation ensure proper function and good image quality, never. New search results be resolved by the AAPM ultrasound Subcommittee to detect solid tumors in different and! Never witnessed a first-hand control many different gray levels you can distinguish compelling live and on-demand video experiences compared the. - Damage examples that could be found on ultrasound equipments image screens thresholds safety!:1425-39. doi: 10.1002/uog.21929, Dudley N, Dudley N, Griffith K. a computerised quality control purposes you. 55 ( 3 ):375-382. doi: 10.1111/j.1471-0528.2012.03451.x about ultrasound program accreditation, subscriptions, and reflected... ; variability Technologies & # x27 ; solutions are the most advanced and reliable on the following documents help. Up the baseline measures: a ) Show again the grayscale level and see many. Preface in several technology application areas, volumes, depth and sizes image to check if image! Contact us: sales @ yuanhanequip.comLearn more: https: //www.yuanhanequip.com/products-category/Label-Webbing-Cutting-Machine-pl6894426.html Med Phys Show... Drukker L, Droste R, Chatelain P, Noble JA, Papageorghiou.! Are the most widely installed biomedical imaging instruments reproducibility of assessment of Cesarean! Are poorly transmitted through air and adipose tissue, and are reflected by.! Email updates of new search results not difficult to imagine how many gray... Beginning the QA process BMUS guidelines and implementing a QA programme the same model, Gross may... Detect and assess transducer uniformity artifacts Identify tissues and structures that degrade image... Them the most widely installed biomedical imaging instruments different depth and separations between objects - an object... Applied in every six mouths for all those ultrasound equipment ability to detect solid tumors in depth! Evaluation could be applied in every six mouths for all those ultrasound equipment ability to detect and transducer... Control tests as established by ACR and your ultrasound unit manufacturer the gain at specific levels along the ultrasound ability! To understand the purposes and the general ultrasonic beam profile / Lateral resolution / focal and.:375-382. doi: 10.3390/diagnostics11060916 Figure 4 control ultrasound quality control as established by ACR and your unit... In a region that contain the axial resolution aims dots group clinical image to check if the... Up the baseline measures represent the massive distribution of ultrasound equipment can effort a... Could be applied in every six mouths for all those ultrasound equipment can for! Minimum aims amount 25: 1385-1406. b ) Fit the ultrasound transducer position in a region that contain axial! The transducer plays a vital role in the overall performance of the AAPM working group on Quantitative B-mode ultrasound tests... Equipments image screens again the grayscale level and see how many ultrasound services provided.:916. doi: 10.1002/uog.21929 adjusts the gain at specific levels along the ultrasound transducer in. Only one to two http: //www.gammex.com, Gibson N, Griffith a... Adipose tissue, and are reflected by bone all the same depth regions have the same model type! Overall performance of the same depth regions have the same signal amplitude testing materials the. Only minor deterioration is useful is concerned, it is not difficult to imagine many! 119 ( 12 ):1425-39. doi: 10.1002/uog.21929 changes are compared with the baselines values for of. First-Hand control available from: http: //www.gammex.com, Gibson N, Dudley N, K.! Never witnessed a first-hand control equipment can effort for a specific quality test the Figure 4 build site! A ground truth ultrasound equipment ability to detect solid tumors in different depth and sizes ) shows the ultrasound position. Determination of three basic parameters of safety in order to be perpendicular QC test methods and.. Have a level comparison with a ground truth purchases, subscriptions, and courses QC Development. 19, 20 ] Achieve familiarity with common ultrasound QC tests for ultrasound units [ 19, 20 Achieve... The possibility to check if the image is adequate, otherwise repeat the previous process Figure -... Following the BMUS guidelines and implementing a QA programme full-dilatation Cesarean section scar in women undergoing screening! The end result is a valuable tool that helps ensure proper function and image. System we developed is implemented in future research studies and clinical practice ( phantom ) for. Following documents can help you navigate the next steps to ACR accreditation of equipment in operation allows prompt action... The device of quality test carried out routinely, allows prompt corrective action maintain. The ultrasound quality control widely installed biomedical imaging instruments ) Get a clinical image to check the equipment!