30results about How to "Avoid muscle fatigue" patented technology

A method of creating a non-invasive predictor of both physiologic and imposed patient effort from airway pressure and flow sensors attached to the patient using an adaptive mathematical model. The patient effort is commonly measured via work of breathing, power of breathing, or pressure-time product of esophageal pressure and is important for properly adjusting ventilatory support for spontaneously breathing patients. The method of calculating this non-invasive predictor is based on linear or non-linear calculations using multiple parameters derived from the above-mentioned sensors.

Methods for non-invasively and accurately estimating and monitoring resistance and work of breathing parameters from airway pressure and flow sensors attached to the ventilator-dependent patient using an adaptive mathematical model are provided. These methods are based on calculations using multiple parameters derived from the above-mentioned sensors. The resistance and work of breathing parameters are important for: assessing patient status and diagnosis, appropriately selecting treatment, assessing efficacy of treatment, and properly adjusting ventilatory support.

A method of creating a noninvasive predictor of both physiologic and imposed patient effort of breathing from airway pressure and flow sensors attached to the patient using an adaptive mathematical model. The patient effort is commonly measured via work of breathing, power of breathing, or pressure-time product of esophageal pressure and is important for properly adjusting ventilatory support for spontaneously breathing patients. The method of calculating this noninvasive predictor is based on linear or non-linear calculations using multiple parameters derived from the above-mentioned sensors.

An extension rod device working with a fixer for handheld, portable, mobile devices, and includes a rod body whose two ends are detachably attached with a positioning frame and a securing member. The positioning frame is adjustable to hold a mobile device, and the securing member secures the rod body and the positioning frame onto an external article, so as to suspend the mobile device. The extension rod device is capable of being easily and quickly mounted on or dismounted from any nearby handrail. When the positioning frame and the securing member are detached from the two ends of the rod body, the rod body can function as a portable personal article.

An extension rod working with a fixer for handheld, portable, mobile devices includes a rod body whose two ends are detachably attached with a positioning frame and a securing member that are both of an external fixer, respectively. The positioning frame holds an external mobile device, and the securing member secures the rod body and the positioning frame onto an external article, so as to suspend the mobile device. The rod body its one end coupled with a second linking portion of the positioning frame and has the other end provided with a first linking portion that is configured to engage with the securing member. The extension rod can be easily and quickly mounted on or dismounted from any nearby handrail. When the positioning frame and the securing member are detached from the two ends of the rod body, the rod body can function as an umbrella or the like.

A fixer for handheld, portable, mobile devices includes an extension rod that has one end provided with a positioning frame for holding and positioning an external mobile device, and has an opposite end provided with a securing member for attaching and securing the extension rod and the positioning frame onto an external article, wherein the securing member and the external article are fixedly connected by a locking unit so as to suspend the mobile device. The fixer is portable and can be easily and quickly mounted on or dismounted from any nearby handrail, particularly as one typically provided in a public transportation vehicle.

The invention relates to an sEMG self-adaptive mode recognition method based on an on-line SVM and application of the method on an intelligent wheelchair and belongs to the technical field of surface electromyogram signal recognition and control. According to the method, the incremental learning algorithm is adopted to perform on-line training on an SVM model, and meanwhile head information is introduced in the on-line learning process and serves as correction information to jointly form a classifier of an sEMG; effective recognition is achieved on the sEMG at different muscle states, influences on the stability of a man-machine interactive system by muscle fatigue are reduced, and finally the method is successfully applied to the intelligent wheelchair. The method effectively improves the self-adaptive capacity of the system in the long-term man-machine interaction process, and the interaction can be more natural and friendlier.

A positioning device working with a fixer for handheld, portable, mobile devices includes a securing member coupled to the fixer that serves to hold a mobile device in position. The securing member has a locking unit and a first connecting portion for engaging with the fixer. The securing member can secure the fixer onto an external article with the locking unit securing the securing member to the external article, so as to rapidly, removably suspend the mobile device at a nearby handrail. Thereby, the mobile device is strongly positioned over the external article by the locking unit and prevented from swinging or being displaced.

The invention discloses an office chair capable of massaging the back, and relates to the technical field of office appliances. The office chair capable of massaging the back comprises an office chair base assembly, the office chair base assembly comprises a cushion, a lifting rod is fixedly connected to the center of the lower surface of the cushion, a chassis is fixedly connected to the lower surface of the lifting rod, and supporting shafts are rotatably connected to the tail end of the outer side of the lower surface of the chassis through bearings; the lower surface of each supporting shaft is fixedly connected with a fixing shell, the inner wall of each fixing shell is rotatably connected with a rolling wheel through a rotating shaft and a bearing, the rear end of the upper surface of the cushion is arranged to be arc-shaped, and a back supporting assembly is arranged above the cushion, so that the problems that most of existing office chairs only meet the function of human engineering and support the waist and the back sufficiently, however, great pressure is still caused to the waist and the back of the office staff after long-time sitting, the working efficiency is influenced after long-time sitting, and the office staff can be possibly suffered from diseases such as muscle strain of the waist and the back are solved.

The embodiment of the invention discloses a wearable functional electrical stimulation system taking an electromyographic signal as a control switch, the movement of a shank is predicted by detecting the electromyographic signal on the skin surface of the thigh rectus femoris with the same time sequence as the gait of the shank, and the electromyographic signal greater than a certain threshold value is used as a switch for starting an electrical stimulation module, so that the movement of the shank is predicted. Therefore, the time sequence of pulse wave generation is controlled by the biological signal which is more fit with the consciousness of the patient, the problem of inaccuracy of the starting time of a traditional electrical stimulator is solved, muscle fatigue caused by redundant electrical stimulation is effectively avoided, and the stimulation time of the system is more efficiently fit with the walking gait of the foot drop patient.

A protective sheath working with a fixer for handheld, portable, mobile devices has a positioning frame that is to be mounted onto an external fixer. The positioning frame has an enclosure using its inner wall to hold an external mobile device in position. The enclosure includes a first connecting portion that is detachable and configured to engage with the fixer. The fixer serves to hang the positioning frame over an external article so as to suspend the mobile device. Thereby, the mobile device can be easily and quickly mounted on or dismounted from any nearby handrail.

The invention discloses a medical pillow and in particular relates to the technical field of medical auxiliary instruments. The medical pillow comprises a semi-columnar neck rest, wherein fixing plates are symmetrically arranged on both sides of the neck rest; first bolt holes are formed at intervals in the fixing plates; rotating shafts are in rotational connection with the neck rest; lifting rods are arranged on the rotating shafts; second bolt holes corresponding to the first bolt holes are formed in the lifting rods; bolts for connecting and fixing the lifting rods in an insertion manner are detachably connected with the lifting rods; the bolts are matched with first insertion holes and second insertion holes; a headrest is arranged on the lifting rods; and rubber belts are arranged onboth sides of the headrest. By adopting the technical scheme of the invention, the problem that the respiratory track of a patient cannot be easily opened for tube intubation by a medical operator can be overcome, and the respiratory track can be also kept smooth in painless anesthesia.

The invention discloses a multi-frequency domain multi-modal composite vibration stimulation therapeutic instrument. The therapeutic instrument is provided with composite therapeutic modules corresponding to a chest abdomen, an upper arm, a forearm, a femoral part, a shank part and a foot part of a human body, so that simultaneous vibration therapy can be carried out on multiple parts of the humanbody, and each composite therapeutic module comprises an electromagnetic mechanical vibration module, an ultrasonic vibration module and a pulse electromagnetic vibration module, and different vibration modes can be selected or combined for diseases of different parts. A carrier adopts a segmented pivoting structure, and through adjustment of a sitting posture adjusting mechanism and a standing posture adjusting mechanism, each section of the plate body can be folded at an angle, and a supporting carrier is provided for the lying position, the sitting position and the standing position of a patient. In addition, in order to ensure that when in different body positions, in particular in the standing positions, the composite therapeutic module can better apply the vibration force to the lesion part, an arc-shaped cover is arranged at the corresponding composite therapeutic module in the therapeutic instrument, so that the four limbs and the chest cavity of the human body are located inthe treatment cavity so as to limit the motion of the human body.

The invention relates to the field of skating shoes, and particularly relates to skating shoes. The skating shoes comprise supporting mechanisms, quick-change mechanisms, damping mechanisms, angle mechanisms and speed reducing mechanisms. By arranging the supporting mechanisms, space is conveniently provided for subsequent placement of the damping mechanisms and the angle mechanisms; by arrangingthe quick-change mechanisms, easily-worn rotating parts are conveniently and quickly replaced, time and manpower are saved, and the maintenance effect of the skating shoes is improved; by arranging the damping mechanisms, jolt caused when the skating shoes roll on the ground is conveniently relieved, the adaptability of beginners is improved, and leg muscle fatigue caused after long-time use is avoided; by arranging the angle mechanisms, the pitching angle of the soles of a user is conveniently adapted, the buffering amplitude can be manually adjusted, and jolt in the using process is furtherrelieved; and by arranging the speed reducing mechanisms, the skating shoes are conveniently braked emergently for dealing with emergencies, and therefore the using safety risk is reduced.

The patent discloses a device for shaking up a vacuum blood collection tube. The device comprises an engine base and a blood collection tube body, wherein the engine base is provided with a vertical rod, the vertical rod is provided with a sliding chute, a sliding block is connected in the sliding chute in a sliding manner, and a first pressure spring is arranged between the sliding block and an inner wall of the sliding chute; a clamping jaw is hinged on the sliding block; the top of the blood collection tube body is fixedly connected with an auxiliary block which is provided with a through hole; a sealing plate is arranged on the through hole, and two sides of the sealing plate are provided with spacing rings; the bottom of the sealing plate is symmetrically provided with fixing plates, an elastic iron piece is hinged on each fixing plate, and a first tension spring is arranged between each elastic iron piece and each fixing plate; two sides of the bottom of the blood collection tube body are hinged with arc-shaped plates; a second pressure spring is arranged between each arc-shaped plate and the blood collecting tube body; each arc-shaped plate is provided with a spacing groove; the engine base is further provided with a motor, a rotational shaft of the motor is provided with a circular shaft, a side wall of the circular shaft is hinged with a poke rod, and a second tension spring is arranged between the poke rod and the circular shaft. The scheme mainly solves the problem that medical workers suffer from hand muscle fatigue and strain caused by artificially shaking up the vacuum blood collection tube.

The invention discloses a three-dimensional combinable cushion seat. The three-dimensional combinable cushion seat comprises a sponge layer which is made of slow recovery sponge; the sponge layer is atriangular prism of which the cross section is an equilateral triangle; a cushion seat cover is arranged out of the sponge layer in a sleeving manner; anti-skid silicone strips are adhered to the cushion seat cover; the anti-skid silicone strips are positioned at the bottom edges and the side surfaces of the cushion seat. A triangle has high stability; the triangle does not deform easily like a quadrilateral or other shapes because of the stability of the triangle, and has the characteristics of stability, durability and pressure resistance. The inventor specially sets the seat cushion into the equilateral triangle; two or more cushion seats are combined, and the bottom edges of the cushion seats are made in contact with one another and are erected to form a hollow stable three-dimensional structure, such as the triangular prism or a triangular pyramid, which can be adhered to a base of a vertical solid object and are erected to serve as a backrest for leaning by means of interactionforce of the cushion seats.

By combining a wedged cushion and specialized method for aligning a user's ischial tuberosities—which increases relative lordosis in the lumbar spine and pelvis venous outflow from the lower extremities, in a sitting position by decreasing venous obstruction and enhancing flow at the femoral vein level, novel seating products are achieved which are particularly amenable to installation in combination with conventional children's seating mechanisms, using seat cushions, inserts, or specialized plastic-related enhancements. Proper spinal alignment, growth and sustainable posture are further possible for developing systems according to the teachings of the present disclosure.

The invention discloses a moving and massaging mouse wrist protection pad. The moving and massaging mouse wrist protection pad is characterized in that the mouse wrist protection pad consists of a bottom layer (1), a left zone (2), a right zone (3) and a middle zone (4), wherein the left zone (2), the right zone (3) and the middle zone (4) are arranged on the bottom layer (1); the bottom layer (1) is a macromolecule material layer and is of a flat plate structure or a plate-type structure with a groove; the left zone (2) and the right zone (3) are symmetrically arranged on two sides of the middle zone (4); the left zone (2), the right zone (3) and the middle zone (4) are polyurethane layers; the bottom layer (1) is provided with 3-4 spheres (5) through a spindle; and the mouse wrist protection pad and a mouse are connected by a rubber band (6). The moving and massaging mouse wrist protection pad has the advantages of being simple in structure and convenient in operation, can lighten muscle fatigue and can move along with the mouse.