Systems for the prevention or treatment of carpal tunnel syndrome
a carpal tunnel syndrome and system technology, applied in the field of hand disorders, can solve the problems of affecting the normal functioning of the hand, the inability to grasp objects or operate certain devices commonly used in the individual's household or workplace, and the inability to permanently control or relieve symptoms, so as to achieve the effect of preventing or relieving the symptoms of carpal tunnel syndrom
Inactive Publication Date: 2005-02-08
NEUROSPECTRUM
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Benefits of technology
According to one aspect, an apparatus for preventing and treating carpal tunnel syndrome comprises a splint for wearing on a portion of an upper extremity of an individual, a switch mechanism connected to the splint and a warning mechanism electrically coupled to the switch mechanism. The switch mechanism is operable to activate the warning mechanism upon extension or flexion of the hand beyond a predetermined range of motion and thereby alert the user of such undesirable motion of the hand. By alerting the user as to when undesirable hyperflexion or hyperextension is occurring, the user will be able to modify behavior accordingly so as to eliminate the excessive pressure being applied to the wrist and causing the trauma responsible for carpal tunnel syndrome.
It is therefore a principal object of the present invention to provide a way to prevent or relieve the symptoms of carpal tunnel syndrome.
Problems solved by technology
An individual with carpal tunnel syndrome may also experience stiffness or cramping of hands, and may loss the ability to grasp objects or operate certain devices commonly used in the individual's household or workplace.
While these measures may control symptoms temporarily, they have proven to be less successful in permanently controlling or relieving symptoms.
Surgery may offer a more permanent control of symptoms, however, there is a period of temporary disability following surgery.
Also, there are inherent risks with any surgical procedure.
In addition, it has been proven to be an expensive method of treatment.
Lastly, there is a possibility of symptoms returning when one resumes their pre-surgical activities and in some cases more severe symptoms may develop due to post-surgical scar formation in the carpal tunnel.
However, use of these splints during waking hours has proven to be impractical for most people due to the rigid immobilization of the wrist and partial immobilization of the base of the thumb that these splints create, in view of the degree of flexion and extension that may be required for performing certain tasks.
In fact, such restricted range of motion of the wrist and thumb may aggravate carpal tunnel syndrome due to the abnormal manner in which the fingers and thumb would be forced to function while wearing the splint.
In addition, a wearer is likely to cause excessive pressure on the limb from positioning the arm or wrist in an abnormal manner to compensate for the lack of mobility.
Consequently, the rigid portions of a splint transfers the excessive pressure, typically at the distal and proximal ends of the splint, to the adjacent portions of the limb, thereby causing pain or numbness in those portions.
Further, wrist splints are disadvantageous in that they do not assist the patient in changing or modifying the behavior (e.g., hyperextension or hyperflexion) that is causing the trauma responsible for carpal tunnel syndrome.
In fact, it is likely that the patient will continue to apply excessive pressure on the affected limb, which may keep him dependent on using the splint at nights to prevent worsening of his symptoms.
Method used
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Embodiment Construction
Referring to FIG. 1, there is shown an apparatus 10 for preventing and treating carpal tunnel syndrome installed on the right upper extremity of a patient. The apparatus 10 in the form shown includes a switch mechanism 11 comprising a lever 14 of a microswitch 15 and a flexible string or cord 12, such as an elastomeric band, on the dorsal side of the hand. The distal end of the cord 12 is secured to the index finger in the form shown and coupled to the lever 14 at the other end. Alternatively, the distal end of the cord may be secured to any suitable point on the dorsal side of the hand. The lever 14 is positioned proximally of the wrist of the wearer (as viewed in FIG. 1) and carried by or otherwise mounted to a suitable splint or other mounting device adapted to be worn on the patient. In the illustrated embodiment, the splint comprises a band or wrap 20 secured to the forearm of the wearer. The lever 14 is electrically connected to one or more conventional warning mechanisms, suc...
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Apparatuses and methods for preventing and / or treating carpal tunnel syndrome are disclosed. One such apparatus comprises a splint for wearing on a portion of an upper extremity of an individual, a warning mechanism carried by the splint and a switch mechanism carried by the splint and electrically coupled to the warning mechanism. The switch mechanism is operable to activate the warning mechanism upon extension or flexion of the hand beyond a predetermined range of motion and thereby alert the user of such undesirable motion of the hand.
Description
FIELDThe present invention relates to preventing and treating hand disorders, and more particularly, to preventing and treating carpal tunnel syndrome.BACKGROUNDCarpal tunnel syndrome is a nerve disorder in the hand that is caused by swollen, inflamed or scarred tissue as well as repetitive or excessive motion injuries that cause excessive pressure on the median nerve within the carpal tunnel. The median nerve supplies sensation to the volar, also known as the plamar, aspect of the thumb, index finger, middle finger and the ring finger. Symptoms of carpal tunnel syndrome include tingling, numbness, burning sensations, pain. This involves not only the area of innervation described but may also radiate above the wrist into the forearm. An individual with carpal tunnel syndrome may also experience stiffness or cramping of hands, and may loss the ability to grasp objects or operate certain devices commonly used in the individual's household or workplace.Treatment for carpal tunnel syndr...
Claims
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IPC IPC(8): A63B23/035A63B23/16A63B24/00A61F5/02A61B5/11
CPCA61B5/1125A61B5/6825A63B23/16A63B2220/13A63B2071/0625A63B2071/0627
Inventor LIMONADI, FARHAD M.
Owner NEUROSPECTRUM
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