| Abstract|| |
Purpose: 3D Holography is a commercially available, disruptive innovation, which can be customised as per the requirements and is supporting Industry 4.0. The purpose of this paper is to study the potential applications of 3D holography in the medical field. This paper explores the concept of holography and its significant benefits in the medical field.
Methods: The paper is derived through the study of various research papers on Holography and its applications in the medical field. The study tries to identify the direction of research &development and see how this innovative technology can be used effectively for better treatment of patients.
Results: Holography uses digital imaging inputs and provides an extensive visualisation of the data for training doctors, surgeons and students. Holography converts information about the body into a digital format and has the potential to inform, promote and entertain the medical students and doctors. However, it needs a large amount of space for data storage and extensive software support for analysis and skills for customising. This technology seems good to solve a variety of medical issues by storing and using patient data in developing 3D holograms, which are useful to assist successful treatment and surgery. It seems useful in providing flexible solutions in the area of medical research. Finally, the paper identifies 13 significant applications of this technology in the medical field and discusses them appropriately.
Conclusion: The paper explores holographic applications in medical research due to its extensive capability of image processing. Holographic images are non-contact 3D images having a large field of depth. A physician can now zoom the holographic image for a better view of the medical part. This innovative technology can create advancements in the diagnosis and treatment process, which can improve medical practice. It helps in quick detection of problems in various organs like brain, heart, liver, kidney etc. By using this technology, medical practitioners can see colourful organs at multiple angles with better accuracy. It opens up an innovative way of planning, testing of procedures and diagnosis. With technological developments, compact hardware and software are now available to help medical research and related applications.
Keywords: 3D image; applications; detection of disease; holography; imaging; planning; treatment
|How to cite this article:|
Haleem A, Javaid M, Khan IH. Holography applications toward medical field: An overview. Indian J Radiol Imaging 2020;30:354-61
|How to cite this URL:|
Haleem A, Javaid M, Khan IH. Holography applications toward medical field: An overview. Indian J Radiol Imaging [serial online] 2020 [cited 2021 Feb 24];30:354-61. Available from: https://www.ijri.org/text.asp?2020/30/3/354/298205
| Introduction|| |
Holography is an innovative technology that depicts an effective interaction of humans with the digital world. It is a disruptive innovation; where 3D imaging technologies are used effectively to address challenges in education, training, research, gaming and other associated areas. In the medical field, it can be used for surgical planning, medical diagnostics, radiology and also for obtaining better information about tissues and organs (internal and external) when viewed from various angles. It can record high-resolution images of tissues and internal organs. Holography seems to be a good tool to plan an intervention as it opens a new possibility due to its capability of non contact high-resolution imaging and measurement. It provides better information about cavities and deformities in internal organs. It helps physicians during the procedure for the fitting of implants.,
In few industries, holography is used to protect against duplication of the product as it has an excellent capability for the inspection of the product. This technology is available to capture information about vehicles and their number plates. The other applications are in movies, video games etc. Holography is well used for the retail, military and other commercial applications. It assists specific instruction of the patient and eliminates checkup manually. Holography is used for the detailed study of different parts of ear; such as outer ear, middle ear and inner ear under various noisy conditions. It is used for various applications like cornea, tympanic membrane, tooth mobility, basilar membrane, temporal bone, cochlea, incudomalleal joint, skull, chest and bones.,
In cardiology, it is suitable for the therapy of arrhythmias, coronary interventions and heart valve replacements. It provides fast growth to improve healthcare infrastructure,, and endless possibilities in emergency medical care.,
| 3d Holography and Its Basic Steps|| |
In 1948, this technology was coined by Dr Dennis Gabor for which he received the Nobel Prize. The word hologram stands for 'complete message' which means the reconstruction of the image to convey complete message/information of the given part. Hologram refers to an image that is created when the light reflects upon meeting an object. Thus, it can be seen or obtained with the help of dense air like mist. A hologram is a permanent record of light, which is encapsulated in a three-dimensional object like glass or mirror. Hologram consist of two beams; a reference and an object beam which are diverted with the help of a half mirror and then the light converges forming a hologram using two full mirrors. This technique is used to perform imaging of multidimensional objects. Holography uses hardware, software and more exotic types of programming to create hologram image. This technology records light scattered from an object to present it in a 3D digital image. It allows light to shine through and the image is viewed from one side. The scattering of a laser beam produces multiple light waves that illuminate an object and create an image due to the principle of diffraction. It is recorded through a video camera in a 3D format. A hologram is a 3D photographic technique which projects image using 3D glasses. Hologram diffracts light into an image and is easily projected for planning, teaching, learning and performing of complex surgeries. [Figure 1] shows the fundamental physics of 3D holography.
A laser is used to focus the light beam and this beam is further spat. By the spat of the laser beam, an object beam is developed which focusses on the mirror. This action finally provides a hologram of the object. This hologram can also be an image of a patient's body part which can be used successfully in the medical field. The applications of this technology are also increasing in the movie industry.
Steps for using holography in the medical field
Holography provides better communication for humans due to the extensive capability of 3D visualisation of a patient's body with high resolution. It is used to simplify the procedure of complex treatments. 3D hologram created by this technology is used for clinical applications by the health professionals. [Figure 2] shows the major steps for developing 3D holograms for clinical applications in the medical field.
The first step is to install the required hardware and software for the preparation of the required medical image. This prepared image is then projected, by which one can see, a 3D hologram. This hologram is visualised by the doctors and surgeons for proper planning of the treatment which is applied for clinical applications and provides various benefits in the medical field.
| Need for the Study|| |
Holography is an innovative imaging technology which creates detailed imaging that can be used for different applications. In medical imaging, there is a requirement of imaging of internal and external human body parts. There are digital imaging technologies which provide 2dimensional and even 3D images of body parts. Thus, we need to go a step further to see these images in motions, with different scales, with different colours and with languages. Its applications are increasing in image processing and precisely measuring human body parts.
Literature gives us a good idea of the applications of holography used to measure the stress on surgical tools during surgery. It allows examining the different body parts like liver, brain, skeleton, heart, lungs, nerves, vascular system and muscles. It can digitally store patient data and provide a massive amount of detailed information., Thus, it is suitable for medical training, tumor localisation and remote therapy, visualisation and complex 3D structure measurement of the human body. In the medical field, holography is used to measure the natural cavity, organs and tissue of the human body in a non-destructive manner. This 3D visualising technology provides a unique experience to the doctor and offers empowerment to clinicians. It efficiently performs the studies of bones in a contactless manner.,
The need is to understand holography, its basic functioning and identify its significant benefits in using it in the field of medicine. Further, we need to understand the benefits it can deliver to the practitioners. This will help readers to be aware of what is now technologically feasible and may help in changing the perception about the latest developments. Secondly, this will help researchers and doctors in developing future applications.
| Benefits of Holography|| |
This technology is rapidly growing in the medical field for its use in practical studies and explanation. The enormous potential of holography is to import and use high-capacity data. It stores information about multiple images at different angles., Different benefits of holography in the medical field are as under:
- Improve the way of procedure and treatment
- Provide advanced imaging
- Effective learning
- Useful for multiple images
- Capacity of storing
- Do not require any projection screen
- Save cost in processes
- Improve customer care
- Increase the efficiency of doctors and surgeons
- 3D visualisation of products and situations
- Do not require special glasses to view
- Store preserve and archive information
Thus, holography provides advancements in education, planning, security, safety and research and development.
| Holography for Radiologists|| |
Holography is an advanced imaging technique that helps radiologists to identify injury or any other fracture in the soft or hard tissue of patients. It improves the safety and better treatment of the patients. With the help of this innovative imaging technique, all previous medical records of the patient can be stored digitally, by which a radiologist can easily examine the medical history of a patient. It has several applications in radiology like cardiovascular, chest, genitourinary, musculoskeletal, neuroradiology, paediatric and head and neck radiology. Holography has excellent capabilities for radiology towards using truly virtual 3D images. It provides a more information to radiologists as compared to 2D images and maintains a vast amount of information due to its electronic storage capability. This technology is useful in radiology for the planning of different surgical approaches by guiding invasive procedures., It stores and retrieves 3D information which was a big challenge for traditional imaging technologies.
| Some Cases on Holography in the Medical Field|| |
Aarnisalo et al., 2009 performed a case to assess the position and thickness of a cartilage by using holography. Salvetti and Bertagni, 2016 used hologram to develop a medical test and devices used to monitor various conditions like infection, cardiac function and diabetes. This is used for advanced medical simulation and enables face-to-face training. It rapidly emerging in healthcare and makesthe education process more efficient and effective. Pathania et al., 2016 used holography for the proper assessment of lymphoma tissue. This is an essential technology to identify the cancer accurately in lesser time. Mishra, 2017 used holography for primitive designing in medical science. An organ hologram can be zoomed and edited in 3D space which makes the treatment and diagnosis processes more effective. In future, this technology can prevent uncomfortable physical procedures.
| Holography Applications in the Medical Field|| |
Holography facilitates excellence in healthcare by sorting out complications in imaging. This technology can be useful to eliminate the requirements of physical testing procedure., It easily stores digital 3D images of the patient or body parts. It employs reliable and efficient management of all records, and with better devices and improved storage facility, it is easy to analyse the progress., Holograms are available for various medical test and devices and are used to monitor diabetes, infections and check the proper functioning of soft and hard tissues. This technology is available to check drug, hormones, alcohol and glucose.,
Doctors can now use Colourful holography for proper monitoring and clinical trials and for studying complex images vascular, nervous and musculoskeletal systems. Now, doctors and surgeon can see the detailed images of soft and hard tissue of the human body. They can also see the human body from outside. Holography has the potential for a high level of achievement in medical research and development. [Table 1] gives significant applications of holography in the medical field.
By using a holographic image, doctors can improve the quality of medical education and research. It used to reconstruct the image of tissue samples which helps to perform tissue surgeries. This technology is used for making the digital 3D prototype for neuroscience. This also offers help in the study of different orthopaedics structure. It is applicable to measure the strain on rods, pins and different bone fracture. Doctors can now see the anatomy of the patient without cutting into the body., It is useful to create technological advancement in the medical field.
| Discussion|| |
In the healthcare industry, the demand for medical holography is increasing for new treatment. The massive ability of this technology is to record and read data. Doctors and surgeon can enhance their communication with the patient to address the complex medical problem. It creates moving 3D images of body parts to create advancement in the imaging field. It helps doctors for proper diagnosis and treatment in a secure and timely manner. The applications of this technology are for medical imaging, urology, orthopaedics and medical institutions for research and development process. Medical images are visualised to create a hyper-realistic experience to empower the clinician. It helps measurements of internal cavities of the human body non-destructively. In dentistry, it is used to store tooth prints digitally. It quickly tests breath, saliva, blood and urine and provides a better understanding as compared to books/images. This technology provides a virtual environment, which helps to solve a complex issue.
However, it needs a large amount of storage space for better treatment of disease and injury. In orthopaedics, holography is an emerging tool to study and measure the external fracture of the bone. It allows seeing the structure of bone and their movement in real-time. These images help doctors for the treatment without the presence of the patient. Holography completely disrupts the way of communication of medical professionals. It avoids misunderstanding of a specific medical problem ensuring a better treatment. This digital holography is used to perform effective diagnosis and provide more clarity and patient satisfaction.
| Limitations and Future Scope|| |
It requires highly skilled human resources for capturing the 3D image. Most of the people are unfamiliar with this technology. Expensive hardware and software are required to produce and view the medical images. Holography imaging is costly as compared to 2D imaging. This technology is not successful during complex movements. The images captured by this technology are time-consuming and need specialised hardware and software. Export of datasets to create a hologram is a big concern.
In future, holography will provide 'Holodoctors' in the medical industry. It is possible that a doctor in a remote location can see the holography image and provide treatment. It will also be helpful for the manufacturing of pharmaceutical and healthcare products. In future, holography will provide an innovative solution for the development of healthcare. These 3D holographic images will also be helpful for business purposes. There is a need for medical persons to develop better applications of holography in their respective areas.
| Conclusion|| |
Holography has emerged as an innovative technology to record and display information in 3D format. The applications of this technology are in different fields of medical, engineering, science, graphics and arts. It plays a vital role in personalised medicine and healthcare facilitation. Holography image lowers the cost of planning and provides better outcomes for the patient. This technology is helpful for remote places in which the hologram of a patient is sent to the doctors by emails which can be examine for the status of the diseases without the physical presence of the patient. It is used for better planning of interventional procedures of structural heart diseases. A physician can manipulate a 3D heart structure in a holographic image. Thus, it can be used for better understanding of a patient's heart during the procedure.
Holography has good applications in ophthalmology, audiology, orthopaedics and dentistry. In medical science, holography is growing faster towards improving the understanding and better communications by which doctors can see the detailed structure of the patient. It provides a better understanding of multiple organs, anatomical structures and blood vessels. This technology is useful to develop 3D hologram of various cells, organs and tissue, which can further be studied from various angles. It is helpful to research and study the effects of various drugs on the individual patient. It improves the understanding of the complex anatomy of the individual patient and can also provide better information regarding chronic kidney disease. This technology seems to be a better teaching tool as compared to other conventional imaging tools.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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Dr. Mohd Javaid
Department of Mechanical Engineering, Jamia Millia Islamia, New Delhi - 110 025
Source of Support: None, Conflict of Interest: None
[Figure 1], [Figure 2]