Catheters are narrow tubes of 2 mm to 3 mm diameter, made up of medical grade material such as silicon rubber, plastic, nylon, and polyvinyl chloride (PVC), which are inserted in a patient’s body for diagnostic and therapeutic purposes. Catheterization is a primary co-procedure performed with various other medical procedures such as angioplasty, cardiac electrophysiology, neurosurgery, and urethral catheterization. For instance, diagnostic cardiac catheterization can be used to measure blood pressure inside heart chambers, collect blood sample, and conduct angiography (X-ray imaging of blood vessels using radiographic contrast materials).
The global Diagnostic Catheter Market is driven by several factors such as rise in prevalence of chronic disorders such as cardiovascular and kidney disorders, surge in the number of minimally invasive surgeries, and increase in geriatric population. Furthermore, rise in reimbursement and technological advancements in imaging catheter technology are expected to boost market growth. Demand for diagnostic catheters is high due to their mapping and localization capabilities. Companies are coming up with new technologies to drive revenue through higher sales. These focus on introducing cost-effective product lines depending on end-users' requirement. For instance, St. Jude Medical, Inc. developed EnSite NavX, a 3D mapping and visualization system that allows a 3D anatomical map of the cardiac chambers to be created, allowing the physician to visualize the catheters in various cardiac chambers throughout the procedure as well as to map the arrhythmia origins.
The user interface for a remote surgical catheter guidance system and 3D mapping and visualization systems typically comprises displays, keyboards, and a (3D) mouse. Such robotic surgical systems also use input devices, which allow physicians to articulate the remote catheter motion. However, rise in incidence of catheter-associated infections, insufficient quality assurance, and price wars at domestic levels are the major factors restraining the market. Steerable curve catheters, mapping catheters, and preference of companies for product bundling are the recent trends in the market. Steerable curve diagnostic catheters offer high torque transmission, which gives the examiner the ease of accessibility to turn the tip of the catheter with rotational movement of the proximal hand through predefined distal curve shape.
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Moreover, the cannulation capabilities of these devices offer precise control, even at the topmost distal point. Circular mapping catheters allow more accurate navigation and model creation with impedance-field flexibility and magnetic-field stability. A more advanced mapping catheter i.e., grid mapping catheter, has been developed by St. Jude Medical, Inc. for high-density mapping. However, it is not suitable for all kind of patients and has certain limitations. Hence, sale of the catheter by or on order of a physician has been restricted by the U.S. law. Companies are offering electrophysiological diagnostic catheters bundled with the cryoablation catheters for the cryoablation procedure for the inline diagnosis.
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