Surgery – Instruments – Cutting – puncturing or piercing
Patent
1997-05-14
1999-10-19
Buiz, Michael
Surgery
Instruments
Cutting, puncturing or piercing
606189, 604117, A61B 1734
Patent
active
059680636
ABSTRACT:
Intramuscular stimulation (IMS) pain relief therapy is facilitated by a hand-held tool which, once positioned against a patient's skin, can be controlled to automatically advance a needle to penetrate the patient's flesh, reciprocate the needle within the patient's flesh a predetermined number of times through a predetermined stroke, and retract the needle. A tubular guide member is provided at its distal end with a skin contact member forming a constricted orifice closely matching the diameter of the needle. The orifice allows substantially free passage of the needle therethrough and at the same time prevents bowing of the needle as it is advanced--a primary source of patient pain. Automation and control of the needle penetration, reciprocation and retraction sequence reduces the amount of manual and mental effort required on the part of the treating physician, thereby allowing physicians to perform IMS procedures more consistently, effectively and efficiently. This leads to better results (increased pain relief), decreased procedure induced patient pain and tissue trauma, and reduced risk of repetitive strain injury to the treating physician.
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Jennifer Chu, M.D., "Dry Needling (Intramuscular Stimulation) in Myofascial Pain Related to Lumbosacral Radiculopthy", 1995, Eur. J. Phys. Med. Rehabil. 1995:5 No. 4, pp. 106-120.
Jennifer Chu, M.D., Comment on the Simons Literature Review Column, `Myofascial Pain Syndrome--Trigger Points`, J. Musculoskeletal Pain, vol. 5(1) 1997, pp. 133-135.
Photographs of IMS device purchased from Mr. Young H. Lee in Feb., 1996.
C. C. Gunn, et al., "Dry Needling of Muscle Motor Points for Chronic Low-Back Pain: A Randomized Clinical Trial With Long-Term Follow-Up", Spine, vol. 5, No. 3, May/Jun. 1980, PP. 279-291.
C. Chan Gunn, M.D., "Treating Myofascial Pain: Intramuscular Stimulation (IMS) for Myofascial Pain Syndromes of Neuropathic Origin", 1989.
C. Chan Gunn, M.D., "The Gunn Approach to the Treatment of Chronic Pain: Intramuscular Stimulation for Myofascial Pain of Radiculopathic Origin", (2d ed.), 1996.
Open letter re IMS treatment offered by Jennifer Chu, M.D., University of Pennsylvania Medical Center, Mar. 13, 1996.
"Patient Information on Intramuscular Stimulation (IMS) For Management of Soft-Tissue/Neuropathic Pain", University of Pennsylvania Medical Center, Apr. 8, 1996.
Travell, J.G., Simons, D.G., "Myofascial Pain and Dysfunction: The Trigger Point Manual", vol. 1. Williams and Wilkins, Baltimore, 1983, Table of Contents, Preface, Chapter 3 "Apropos of Muscles".
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Chu Jennifer
Yan Zhen Guo
Buiz Michael
Chu Jennifer
Lewis William
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