33 results about "Neck rotation" patented technology

A disc space preparation device that has particular application for removing disc material during spinal fusion surgery. The disc preparation device includes a body portion that houses a motor having a shaft attached thereto that is rotated by the motor. The shaft extends through a chamber in a neck portion of the device and into an open head portion of the device at the end of the neck portion opposite to the housing. The head portion rotates relative to the neck portion. The head portion includes a series of blades that are used to cut-away the disc material. The shaft includes an auger that draws the cut material through the neck portion. A suction port is coupled to the chamber in the neck portion to remove the disc material therefrom.

An apparatus for preventing neck injury, spinal cord injury and concussion is disclosed. The apparatus includes a helmet, a body harness and a plurality of anchor assemblies connecting the helmet to the body harness. The anchor assemblies are adjustable to limit the cervical rotation, lateral bending, flexion and extension ranges of motion of a wearer to a predetermined set point, each anchor assembly including a plurality of guide cords extending from the helmet to an anchor of the anchor assembly, the plurality of guide cords being attached to, but individually adjustable with respect to, the anchor.

Provided is an inexpensive device capable of accurately positioning a medical instrument relative to the head of a user. A head positioning device (7) is used. The head positioning device (7) is provided with: a pair of holding members (11, 12) which holds the face of a user from both sides by elasticity and prevents both the forward tilting of the user's head and the rotation of the neck; a neck rest (13) which comes into contact with the back side of the user's neck and determines the position of the neck in the front-rear direction; and a head-back rest (14) which comes into contact with the back of the head and which prevents the head from tilting backward.

Provided is a numerically controlled single-column vertical lathe. A column is installed on one side of a lathe bed, a cross beam is fixedly installed on the column, a vertical knife rest is installed on the cross beam in the vertical direction, a working table is installed on the lathe bed and under the vertical knife rest, and a rotatable operating panel is installed on the upper portion of the column. According to the numerically controlled single-column vertical lathe, a static pressure guide rail is adopted for the working table, spindle neck rotation precision is high, and the bearing capacity is high; variable frequency motor driving is adopted, a machine tool runs stably and is small in noise, low in failure rate and high in processing precision; repeated reciprocating circular processing can be performed automatically in a no-shutdown state until set rough machining dimensions, the processing amount and processing dimensions are achieved; the set rough machining dimensions, the processing amount and the processing dimensions are clear at a glance on a touch screen, component processing time is saved, and working efficiency is greatly improved; and the numerically controlled single-column vertical lathe saves time and labor, is easy to operate and convenient to maintain and saves electricity.

The invention relates to a Hybrid III-50-RS dummy for a secondary collision test of a train. A head assembly is connected with a neck assembly through a neck rotating pin (1-6); a chest assembly is connected with a neck assembly and a chest adapter (6-1) of a lumbar vertebra assembly (6) through a spine assembly (3-3); an upper belly assembly (4) is piled on a lower belly assembly (5) and is packaged by a belly cloth bag (5-7); the lower belly assembly (5) is welded on the lumbar vertebra assembly (6) through left and right side sensor welded support assemblies; the lumbar vertebra assembly (6) is connected with the spine assembly (3-3) of the chest assembly through the chest adapter (61) and is fixed on a pelvis of a hip assembly (7) through a pelvis connecting plate; arm assemblies (8) are locked on the shoulder assemblies of the chest assembly; and leg assemblies (9) are fixed on the hip assembly (9) through thigh skeletons (9-1). The hybrid III-50-RS dummy can more truly reflect the damage of the internal parts of the train to the human body.

The invention relates to a neck mobility monitoring system and a neck mobility monitoring method. The neck mobility monitoring system comprises a multifunctional neck mobility measuring instrument, a neck mobility monitoring device and a terminal system, wherein the multifunctional neck mobility measuring instrument comprises a fixing rack; a rotation direction sensor, a tilt angle sensor and a data transmission module are arranged on the fixing rack; the neck mobility monitoring device comprises an MCU ((micro control unit), a power module, a data interface and a display module; and the terminal system comprises a database. The neck mobility monitoring method disclosed by the invention comprises the following steps: rapidly and accurately performing neck mobility measurement and performing measured data analysis; putting an annular fixing rack on the human neck; measuring the neck rotation direction and angle by the rotation direction sensor; measuring the neck flexion-extension direction and angle by the tilt angle sensor; transmitting the neck mobility detection data to the MCU for storage by the data transmission module and the data interface; and performing data interaction with the terminal system by the MCU by virtue of a Bluetooth module or a WIFI (wireless fidelity) module.

A cervical immobilization collar incorporates one or more cooling elements for inducing a mild cerebral hypothermia by transcutaneous cooling of oxygenated blood flowing through carotid arteries. The immobilization collar includes an annular support structure having an extended axial length for limiting cervical compaction of a wearer's neck and a chin rest for limiting cervical rotation of the wearer's neck. In addition, the one or more cooling elements, which function as a heat extractor, are carried by the support structure in positions for inducing transcutaneous conduction of heat through an anterior portion of the wearer's neck from at least one of the wearer's carotid arteries.

The invention discloses a neck rehabilitation assisting system and a device thereof, and belongs to the rehabilitation assisting technology. Image information of an object in the neck horizontal steering process in neck rehabilitation training is obtained through photographing or video recording of a forward fixed camera, and the positions of nose tip and chin tip of the object in the image information are obtained and marked as a first mark and a second mark respectively; the end parts of shoulders of the object are taken as a third mark and a fourth mark, the connecting line of the third mark and the fourth mark are taken as a transverse coordinate, and the middle point of the neck are taken as the origin of the transverse coordinate; and the vertical points of the first mark and the second mark are marked on the transverse coordinate, the vertical point distances between the vertical points and the origin of the coordinate are measured, and a distance-rotation angle comparison tableis queried according to the vertical point distances to obtain the rotation angle of the neck of the object. According to the invention, the neck rotation angle is identified through the image of thehead rotation process of the object, the rotation strength and angle in neck rehabilitation training are standardized, and a patient is helped to carry out rehabilitation training orderly.

The invention relates to a flexible cross traction rehabilitation bed which comprises a trunk traction support, a head platform, an upper limb traction support, a trunk platform, a lower limb platform, a base and a main body supporting frame. The flexible cross traction rehabilitation bed can realize ten basic movements: trunk traction movement, head and neck flexion and extension movement, head and neck rotation movement, head and neck lateral flexion movement, cervical traction movement, upper limb traction movement, lower limb flexion and extension movement, lower limb rotation movement, lower limb lateral swing movement and lower limb traction movement. According to the flexible cross traction rehabilitation bed, cross traction of the human body can be achieved, adjustable dynamic traction force can be given to the spine of the human body in multiple directions and dimensions at the same time, the obvious pressure reduction effect on the spine and joints of the human body is achieved, damage repair under the gravity and impact force effects of the spine and the large joints is promoted, gravity damage factors can be effectively resisted, and spondylodynia and related symptoms caused by gravity injury factors are treated.

The present invention is stability judging and controlling technology for the rotor system of sliding bearing, and relates to the stability analysis, fault diagnosis and controlling technology of rotating machinery. Based on the energy conversion and conservation equation for bearing fluid-solid coupling motion, the present invention adopts the analysis method of vortex coupled excitation and non-linear coupled vibration displacement limit ring to control the effect of outside-system disturbance parameter, structural parameters and physical parameters on the sliding bearing subsystem effectively, to regulate the coupling kinematic characteristics of shaft neck rotation angular speed, shaft neck vortex angular speed and eccentricity varying speed reasonably and to ensure the energy conversion and conservation equation not smaller than 1.

An article of headwear to treat an infant's persistently maintained head position with respect to rotation about the cranial-caudal (head to toe) axis, seen in conditions such as plagiocephaly (baby flat head) and torticollis (wry neck). The headwear both permits and encourages an infant with a preferred head position to volitionally turn his or her head in several positions thereby promoting head and neck rotation and development of a naturally shaped cranium, thus treating or preventing torticollis and plagiocephaly respectfully. The infant headwear generally includes a head receiving member and positioning guide member. The head receiving member is placed on the infant's head and allows strategic placement of the positioning guide member. The positioning guide member increases the ability of the infant with a flat region to turn his or her head by re-establishing a round contour, and selectively increases cutaneous pressure in order to balance the variables influencing the infant's preferred head position.

A pump dispenser comprising a container having a neck (6) to which the pump is attached. A pump body (1) has an outward flange (91) through which it is supported on the edge of the container neck (6).A body / neck rotation stop mechanism (64,7) is provided by an interlock engagement between the pump body and the container neck, and has widely-spaced interlock projections (64) on the container neck(6), e.g. one or two projections, each having a circumferentially-directed abutment face (642). A series of spaced interlock teeth (71) projects down from the outward flange (91) of the pump body andthese have respective abutment faces (711) to engage the neck projections and limit relative rotation of the pump body and neck. This can assure reliable action of a plunger- locking mechanism of thedispenser.

The invention discloses a self-stressing training device for cervical vertebra, comprising a pullover cap bracket, an elastic connection device and a fixed bracket, wherein the elastic connection device is connected with the pullover cap bracket and the fixed bracket respectively, so that the cap body is fixed inside the fixed bracket body, and the pullover cap bracket is additionally provided with a tension force facing to the periphery. A soft protective layer is arranged at the inner side of the pullover cap bracket, and the lower ends at the two sides of the pullover cap bracket are provided with connecting buckle belts. By adopting the above structure, the fixed bracket is fixed to a wall body or a support bracket and adjusted to a proper position, the pullover cap bracket is sleeved on the head of a user, and a fixed belt is fixed on the lower jaw of the user, so that the user can carry out neck exercise motion in up, down, left, right, front and rear directions, and 360-degree neck rotation motion under the traction force of the elastic connection device, therefore the self-stressing training device disclosed by the invention not only has healthcare effect for cervical vertebra, prevents the occurrence of cervical spondylosis, and has the function of treating the cervical spondylosis.

The invention provides a cervical joint driving mechanism of a humanoid robot to solve the problem that the humanoid robot is low in integration and the head motion performance cannot meet the actualusage demand. The cervical joint driving mechanism comprises a neck pitching mechanism, a neck rotation mechanism, a hydraulic pitching driving device and a hydraulic rotation driving device which arelocated in the neck area of the humanoid robot. The neck pitching mechanism is used for being fixedly connected with a head shell, when the neck pitching mechanism is driven to move through the hydraulic pitching driving device, the neck pitching mechanism drives the head shell to complete pitching action; and the neck rotation mechanism is fixedly connected with the neck pitching mechanism, whenthe hydraulic rotation driving device drives the neck rotation mechanism, the neck rotation mechanism drives the head shell to complete rotation action through the neck pitching mechanism.

The present invention relates to a Hybrid III-50th-RS dummy for train secondary impact test, wherein the head assembly is connected with the neck assembly through the neck rotation pin (1-6); the chest assembly is connected with the spine assembly ( 3-3) Connect with the chest adapter (6-1) of the neck assembly and lumbar spine assembly (6); the upper abdomen assembly (4) is stacked on the lower abdomen assembly (5) and used with the abdominal cloth bag (5-7) Encapsulation; the lower abdomen assembly (5) is welded on the lumbar assembly (6) through the left and right sensors; the lumbar assembly (6) is connected to the spine assembly (3) of the chest assembly through the chest adapter (6-1) ‑3), fixed on the pelvis of the hip assembly (7) through the pelvis connecting plate; the arm assembly (8) is locked on the shoulder assembly of the chest assembly; the leg assembly (9) passes through the thigh frame (9) ‑1) Attach to the hip assembly (9). The invention can more truly reflect the damage to the human body caused by the internal parts of the train.

The invention discloses a neck rehabilitation auxiliary system and a device thereof, belonging to the rehabilitation auxiliary technology. Obtain the image information of the subject’s neck horizontal turning process in the neck rehabilitation training by taking photos or videos with a fixed camera facing forward, and obtain and mark the positions of the tip of the nose and the tip of the chin of the subject in the image information, which are respectively recorded as the first mark and the second mark; use the ends of both shoulders of the object as the third mark and the fourth mark, by using the line connecting the third mark and the fourth mark as the horizontal coordinate, and taking the middle point of the neck as the origin of the horizontal coordinate; to the first mark Mark with the vertical point of the second mark on the horizontal coordinate and measure the vertical point distance from the coordinate origin, and obtain the object neck rotation angle according to the vertical point distance query distance-rotation angle comparison table. The invention recognizes the neck rotation angle through the image of the subject's head rotation process, which is used to standardize the rotation strength and angle in the neck rehabilitation training, and helps patients to carry out rehabilitation training in an orderly manner.

The invention discloses a method for inducting neck rotation through the Doppler effect. The method includes the steps that a loudspeaker sends out sound waves at a fixed frequency, microphones on the two sides receive the sound waves, data of the sound waves are input to a controller for analysis, changes of the frequency due to the Doppler effect are utilized to induct rotation of the neck, through a sound wave analyzer, the direction of the rotation of the neck can be analyzed, and the data are input to a computer or a television terminal to achieve human-machine interaction. By means of the method, a better effect of inducting the neck rotation in reference to accuracy and real-time performance is achieved, and human-machine interaction of for a user is better embodied.

The invention relates to a using method of a human body turning type neck rotator. The human body turning type neck rotator consists of a chassis, a support, a bed plate, a helmet and armrests which are connected, wherein the chassis is connected with the support; the bed plate is mounted at the position of a shaft hole of the support; a neck pillow is arranged on the top of one end of the bed plate; a folded side of the bed plate is connected with a shaft head; the bed plate can rotate on the support through the shaft head; the helmet is arranged above the shaft head on one side and is fixed on the support; and the support is separately connected with the armrests. When using the human body turning type neck rotator, a user lies on the bed plate, the head of the user extends into the helmet, the neck of the user is placed on a cambered surface of the neck pillow, the user pulls the armrests with the both hands vigorously, the rotating body of the user drives the neck to rotate and swing back and forth, and therefore, the purpose of enabling the neck of the user to rotate is achieved.

The invention discloses a neck rotation recognition method and system, belonging to the three-dimensional recognition technology. The present invention designs a UV position map, which is a 2D image that records the 3D coordinates of a complete facial point cloud, while preserving semantics at each UV position. Then, a simple encoder-decoder network with a weighted loss that puts more effort on more discriminative feature regions is trained to regress a UV position map from a single 2D face image.