33results about How to "Avoid the risk of secondary injury" patented technology

The invention provides a sternum fixer which comprises an upper presser, a lower presser and a connector. The connector comprises a first connector and a second connector, clamping jaws are arranged at opposite far ends of the upper presser and the lower presser which can relatively slide to adjust the distance between the clamping jaw of the upper presser and the clamping jaw of the lower presser, the upper presser and the lower presser are fixedly connected through the first connector, wings are bilaterally and symmetrically arranged on the upper presser and the lower presser, the upper presser and the lower presser relatively slide to drive the wings of the upper presser and the lower presser to correspondingly slide, the distance between the wings of the upper presser and the lower presser is adjusted, through holes are formed in the wings, and a second connector penetrates the through hole, so that the wings are fixed onto a sternum. When the sternum fixer is used for fixing the sternum, more uniform stress is ensured, and the sternum fixer is better in fixing effect.

The invention mainly discloses a drainage bag carrying bag used after cystostomy. The drainage bag carrying bag used after cystostomy comprises a liquid bag and a waistband, wherein the liquid bag is used for placing a drainage bag, the waistband passes through a hanging hole formed in the upper end of the liquid bag, a wire winding part is arranged on the waistband, the wire winding position is positioned at one side of the liquid bag, two wire winding posts used for winding a drainage tube are distributed on the wire winding part in the length direction of the waistband, and a clamp groove used for clamping and installing the drainage tube is formed in one side, far away from the wire winding posts of the liquid bag, on the wire winding part. The carrying bag provided by the invention has the advantages that the moving of patients can be convenient, the structure is simple, the use is convenient and stable, and the safety is high.

The invention discloses a ring oscillator based TSV fault test device and method. The device comprises n odd number of sequentially connected inverters, a multipath selector, a Schmitt trigger and anNAND gate, the Schmitt trigger and NAND gate connected sequentially are arranged between the first and second inverters, the multipath selector is arranged between the last inverter and the first inverter, the above parts form a closed loop, and a formed TSV in the ring oscillator structure is connected between the first inverter and the Schmitt trigger. The method comprises that 1) a TSV test mode is activated; 2) a fault-free TSV Monte Carlo period is tested; 3) a Monte Carlo period of the TSV under an open-circuit fault is obtained; 4) a period difference DeltaT is obtained; 5) a sum of square is obtained from the period difference DeltaT in each column; 6) a root value of the sum of square of the period difference DeltaT in each column is calculated; and 7) a function is fit, and testis completed. The test device is low in cost, convenient to use and flexible in operation. The test method is short in test time and high in test precision.

The invention discloses an orthopedic nursing traction frame. The orthopedic nursing traction frame comprises a bed plate, wherein a lifting opening is formed in the left portion of the bed plate; theperiphery of the lower surface of the lifting opening is connected with a plurality of hook springs; the bottoms of the hook springs are connected with a moving seat; the top of the moving seat is connected with a pressure block; the right end of the moving seat is connected with a wire spool; a first rope wheel is mounted above the wire spool; a second rope wheel is mounted on the bottom of theright end of the bed plate; a third rope wheel is mounted on the top of the right end of the bed plate; lifting fork arms are symmetrically connected to the front side wall and the rear side wall of the bed plate; the top of each lifting fork arm is connected with a double-stacked-square-shaped frame; a fourth rope wheel is mounted on the bottom of a nut seat; and a steel wire traction rope is wound among the first rope wheel, the second rope wheel, the third rope wheel and the fourth rope wheel. The orthopedic nursing traction frame is reasonable in structural design, the applicability of thedevice is improved, the weight of the device is reduced, the risk of secondary injury to an affected part due to excessive traction is avoided effectively, a traction direction is convenient to adjust, and the orthopedic nursing traction frame is quite convenient to use.

The invention relates to a lower limb rehabilitation robot system based on myoelectric signal feedback, and a control method thereof. The robot system comprises a mechanical part and an electrical part. The major application targets of the method are rehabilitation patients at early and middle stages. When a patient uses the method to perform rehabilitation training, myoelectric signals of moving muscles of the patient are acquired in real time, the motion intention and the motion speed of the patient are identified, the expected tracks of robots are generated, the expected tracks of driving parts are obtained through inverse solution of kinematics, and motors are driven to output through a designed fuzzy PID (Proportion-Integration-Differentiation) controller. After each motion period, the acquired myoelectric signals are analyzed to judge whether the patient is in a fatigued state or not. When the fatigued state is larger than or equal to a set fatigue threshold, the original output is corrected to remind the patient. After the fatigue is relieved, the rehabilitation training can be resumed. The lower limb rehabilitation robot system based on the myoelectric signal feedback, and the control method thereof have the advantages that since the intention and the muscle state of the patient are identified by using the myoelectric signals, and the myoelectric signals are introduced into control, the participation awareness and the training safety of the patient can be well improved, and the rehabilitation effect is effectively improved.

The invention relates to a wheelchair waist assist device (a device installed on the wheelchair that provides power to the chest and waist to drive the trunk to move) with four rotating joint axes meeting. A motor drive unit, base. The user achieves partial movement of the torso by connecting the chest to the platform and the base to the hips. The present invention is a 2T2R 4-degree-of-freedom parallel mechanism, which can realize the flexion and extension movement, torsion movement and some combined movements of the human trunk, and can meet the rehabilitation movement needs of some SCI (spinal injury) patients and the sitting posture state of some cerebral palsy patients. The structure is relatively simple to meet some daily life requirements (independently picking vegetables, fetching objects, etc.). The motion that can be realized by the moving platform of the device conforms to the principle of human kinematics, which will make the traction motion of the trunk performed by the device more maneuverable, and can improve the rehabilitation quality and life quality of some patients.

The invention relates to a transfer-free surgical operation debridement bed, which effectively solves the problem that the patient transfer is needed during the operation after the debridement in theprior art. For the solution, the transfer-free surgical operation debridement bed is characterized in that the transfer-free surgical operation debridement bed comprises a bed body and a bed plate, wherein the bed plate is formed by a plurality of strip-shaped plates through left and right attachment and parallel arrangement; a water discharging passage and a plurality of water discharging holes communicating with the water discharging passage are formed in each strip-shaped plate; a plurality of vertical grooves in one-to-one correspondence with the strip-shaped plate are formed in the frontend and back end of the bed body; the two ends of each strip-shaped plate are respectively arranged in the vertical groove; chain wheels are respectively arranged at two ends of each bar-shaped plate;chains are separately arranged right under the chain wheel; a motor capable of leftwards and rightwards sliding is arranged at each of the front end and the back end of the bed body; the motor is connected with a driving shaft; the driving shaft is parallel to a guide post; a cam and an incomplete gear are arranged on the driving shaft; the cam rotates, so that the strip-shaped plate can be pressed down so that the chain wheel and the chain can be engaged; a rack is engaged with the incomplete gear; the cam can be driven to rightwards move in an intermittent way. The transfer-free surgical operation debridement bed has the advantages that the automation degree is high; the use is convenient and fast; the practicability is high.

The invention relates to a wound cleaning bed for surgical operation, and effectively solves the problem that a patient needs to be transferred when the operation is performed after the wound cleaningin the prior part. The wound cleaning bed has the technical scheme that the wound cleaning bed comprises a bed body and a bed plate, wherein the bed plate is formed by a plurality of strip-shaped plates through left and right attachment side by side; a water discharging passage and a plurality of water discharging holes communicating with the water discharging passage are formed in each strip-shaped plate; the front and back ends of the bed body are provided with a plurality of vertical grooves in one-to-one correspondence with the strip-shaped plates; the two ends of each strip-shaped plateare respectively arranged in the corresponding vertical groove; the two ends of each strip-shaped plate are provided with chain wheels; chains are arranged right under the chain wheels at intervals; each of the two ends of the bed body is provided with a transverse guide rail; the middle position of the transverse guide rail is downwards concave; a U-shaped structure with an upward opening is formed; the front end and the back end of each strip-striped plate are arranged in the transverse guide rail and can leftwards and rightwards slide; a rack is arranged on the transverse guide rail, and isengaged with a driving gear. The wound cleaning bed has the advantages that the automation degree is high; the use is convenient and fast; the practicability is high.

The invention relates to the technical field of decontamination liquid, in particular to a nuclide decontamination liquid and its preparation method and application. The nuclide decontamination solution is composed of the following components in weight percentage: 0.3-6% of pentasodium diethylenetriaminepentaacetate, 0.1-5% of auxiliary chelating agent, 0.1-2% of buffering agent, and 0.1-2% of adsorbent , 1-10% surfactant, 0.1-1% preservative, 0.1-1% defoamer, 0.1-1% acid-base regulator, 0.1-2% stabilizer, water balance. The invention has the advantages of high decontamination efficiency, wide application range, strong environmental adaptability and long storage time.

The invention discloses a knee-joint operation adjusting and fixing distraction device which comprises a foot posture adjusting fixing apparatus capable of performing stepless continuous position adjustment and fixing in the front-back direction of a guide rail and rotating at 3360 degrees, a foot-thigh separation distance quick and fine adjusting device capable of achieving quick adjustment and fine adjustment of a separation distance between the foot and the thigh in the vertical direction of the shank, and a thigh posture fixing apparatus capable of adjusting rotation of the fixing apparatus according to a foot posture, wherein the lower end of the foot-thigh separation distance quick and fine adjusting device is connected with the foot posture adjusting fixing apparatus, and the upper end of the foot-thigh separation distance quick and fine adjusting device is connected with the thigh posture fixing apparatus. The foot-thigh separation distance quick and fine adjusting device comprises a quick adjusting rod mechanism with the lower end fixed on a foot fixing boot, wherein the upper portion of the quick adjusting rod mechanism is connected with a fine adjusting mechanism, and the upper end of the fine adjusting mechanism is connected with the thigh posture fixing apparatus. The knee-joint operation adjusting and fixing distraction device can meet continuous or temporary fixing and position adjustment under the condition that the knee joint of a patient is at different bending and stretching angles and inward and outward turning angles and any-time quick, fine and accurate adjustment of the foot, shank, knee joint and thigh positions of the patient and angle postures.