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77 results about "Stress injury" patented technology

Workplace stress injuries are usually of the physical variety, stemming from repetitive movements that cause muscle strain and conditions like carpal tunnel syndrome. And in rare cases, work-related stress can result in compensable mental or emotional injury.

Method and application of a self adhesive splint

The device is a thin, self-adhesive non-stretch splint, having the capability to flex. This device is intended for the treatment of repetitive stress injuries such as Carpal Tunnel Syndrome with elements that provide user adjustable limitation of movement within acceptable medical parameters. Carpal Tunnel Syndrome symptoms include pain and numbness in the thumb, index, and middle fingers, that are aggravated by compression of the median nerve. This device limits flexion, extension, ulnar and radial deviation movements of the wrist without compressing the median nerve The device limits movement by reducing skin elasticity on the surface skin above or below the wrist and up the forearm. The application provides biomechanical feedback to the wearer in the form of the tugging sensation on the skin around the perimeter of the device assisting the user in maintaining a more neutral wrist position without imposing wrist immobilization. The design elements allow the use of the device in such a manner that produces no additional pressure to the median nerve while in use. Furthermore the method of application provides a means for the user to regulate the amount of wrist movement to provide a greater comfort level while still limiting movement within medically proven parameters. The adhesive nature of the device eliminates the need for external straps that normally wrap completely around the forearm and hand to hold a splint in place. The application of the device limits movement by greatly reducing the ability of the skin to stretch by placing a self-adhesive non-stretch splint directly on the skin. The device, and how it is placed utilizes the wearers skin elasticity to provide biomechanical feedback to the user to promote better wrist posture.
Owner:TORNAI RICHARD MANUEL

School bus door operator

An improved school bus door operator for a school bus, or other public transportation vehicle or bus. The improved school bus door operator of this invention consists of a linear actuated school bus door operator with a handle for operation by the driver and the linkage tying the operator to the school bus door. The linear actuated school bus door operator allows the driver of the school bus to open and close the school bus door with a back and forth short-stroke linear movement of the handle. This should reduce repetitive stress injuries which school bus drivers have occasioned. The improved school bus door operator generally consists of a handle slide mechanism, a rotatable pivot arm, and a door linkage arm engaged to the school bus door. The handle slide mechanism further consists of a slide arm that may be moved linearly within the handle slide mechanism. The slide arm has a handle that juts out generally in a vertical direction at a rearward portion of the slide arm. At an opposite end of the slide arm from where the handle is engaged is an engagement pawl. The engagement bolt also rises from the slide arm in a generally vertical direction. The rotatable pivot arm has two guide rails or a through-slot. The engagement bolt of the slide arm fits between the guide rails or through-slot of the rotatable pivot arm. The rotatable pivot arm has a pivot bolt, which allows the pivot arm to rotate on the dash or other mounting surface in the school bus.
Owner:INT TRUCK & ENGINE

Parasitic protozoon lyophilized powder and preparation method thereof

InactiveCN103299986AImprove rehydration recovery rateReduces freeze damageDead animal preservationProtozoaPenicillin
The invention discloses a preparation method of a parasitic protozoon lyophilized powder. The preparation method comprises the following steps: (1) uniformly dispersing parasitic protozoa into a freeze-drying protective additive to form a parasitic protozoon suspension liquid, separately filling the parasitic protozoon suspension liquid into a penicillin bottle, incubating at room temperature, and putting the penicillin bottle into liquid nitrogen to be prefrozen; and (2) transferring the prefrozen parasitic protozoon suspension liquid into a freeze dryer for vacuum drying so as to obtain the parasitic protozoon lyophilized powder. A direct liquid nitrogen input mode is adopted to quickly vitrify and prefreeze the parasitic protozoa, so that freezing injury and drying stress injury can be effectively relieved, and the rehydration recovery of the parasitic protozoon lyophilized powder is greatly increased; series optimized technological parameters are adopted for vacuum drying, the drying time is short and the operation is simple; the parasitic protozoon lyophilized powder has the advantages of low water content, stable performance, convenience in long-term storage at room temperature and remote transportation. The obtained parasitic protozoon lyophilized powder can be applied to scientific research or biological vaccine development.
Owner:SUN YAT SEN UNIV

Gynecological nursing sterilizer with temperature control function

The invention belongs to the technical field of medical devices, especially a gynecological nursing sterilizer with temperature control. Aiming at the problem that it is difficult to control the temperature during disinfection and it is easy to cause pain to the patient, the following scheme is proposed, including a pressing head, a fixing device and Disinfection device, the fixing device includes a casing, a storage battery is welded on the bottom inner wall of the casing, a water tank is welded on the bottom inner wall of the casing, and a water inlet is opened on the top of the water tank, and a water inlet is welded on the top inner wall of the water tank A connecting plate, and the bottom end of the connecting plate is fixed with a temperature sensor by bolts. The invention can control the temperature of the disinfectant in the water tank, avoiding the irritation caused by the temperature discomfort to the patient during disinfection, improving the comfort of the device, and being able to spray on the affected area in all directions, avoiding that the dead angle of disinfection cannot be sprayed and cannot be disinfected in all directions The disadvantage is that it can detect the pressure at the expansion plate, prevent excessive pressure from causing harm to the patient, and improve the safety of the device.
Owner:蒋红云
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