Perinchery Narayan is a notable inventor based in San Francisco, CA. He has made significant contributions to the field of medical instruments, particularly in the area of stone extraction and nuclear magnetic resonance (NMR) imaging. With a total of three patents to his name, Narayan's work showcases his innovative approach to solving complex medical challenges.

Latest Patents

One of Narayan's latest patents is the "Stone extractor and method." This invention provides an instrument and method for removing stones (calculi) from the kidneys, bladder, and other parts of the body. The device captures a stone in a basket at the distal end of an elongated tubular member and breaks it into pieces while securely held by the basket. The stone is fragmented by a hammering action from a reciprocating shaft that extends through the tubular member into the basket, driven by a spring. This design ensures that the instrument is safe, as the reciprocating tip cannot strike the tissue outside the basket during the procedure.

Another significant patent is the "Insertable NMR coil probe." This invention discloses a nuclear magnetic resonance imaging method and apparatus. The apparatus consists of an insertable probe with a handle portion and an insertable portion. Within the insertable portion, there is an NMR signal receiver and a reception frequency tuner that can connect to an actuator extending outside the sample. The NMR method involves inserting the probe at a preselected detection location within a sample, placing the sample in an external magnetic field, applying a perturbation pulse, and using the probe to receive NMR emissions from the sample.

Career Highlights

Throughout his career, Narayan has worked with various companies, including Urological Instruments Research, Inc. His innovative designs and patents have contributed to advancements in medical technology, particularly in urology and imaging techniques.

Collaborations

Narayan has collaborated with notable individuals in his field, including Maxim D Persidsky and Marcus W Hedgcock, Jr. These collaborations have further enhanced his work and contributed to the development of his patented inventions.

Conclusion

Perinchery Narayan's contributions to medical technology through his innovative patents demonstrate his commitment to improving patient care. His work in stone extraction and NMR imaging continues to influence the medical field positively.

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