32results about How to "Reduce pressure injuries" patented technology

A hydrogen generation device (100) comprises a hydrogen generator (1) which generates fuel gas by reforming reaction using raw fuel, a combustor (2) which heats the hydrogen generator (1), an on / off valve (8A) which interconnects / interrupts a gas channel (8) through which the gas fed from the hydrogen generator (1) is supplied to the combustor (2), a combustion air supply unit (4) which supplies combustion air to the combustor (2), an ignition device (5) provided in the combustor (2), and a controller (30). When the combustor (2) misfires during generation of hydrogen-containing gas in the startup process, the controller (30) carries out ignition operation of the ignition device (5) while maintaining the open state of the on / off valve (8A).

The invention relates to the technical field of double-rod superposition type hydraulic pile hammers and discloses a double-rod superposition type hydraulic pile hammer. The double-rod superposition type hydraulic pile hammer comprises an upper hammer rack, wherein the bottom of the upper hammer rack is fixedly connected with an upper rack fixing pin, the left side and the right side of the bottomof the upper rack fixing pin are fixedly connected with guide rods, and the bottoms of the guide rods are fixedly connected with an upper hammer body. The structural design of an upper copper sleeveand a lower copper sleeve is adopted; the wear resistance among the upper hammer body, the lower hammer body and the guide rod can be improved, and the resistance can be reduced; through the structural design of the energy accumulator, the striking frequency of the hammer body can be increased, and the pressure damage of the pipe can be reduced; through the structural design of the upper hammer rack, the stroke of the piston rods of the double-rod superposition type hydraulic pile hammer can be adjusted at any time according to the number of the superposition hammer bodies, and therefore the double-rod superposition type hydraulic pile hammer can achieve the purpose of improving the working efficiency of an original superposition type addition type hydraulic pile hammer.

The invention relates to the field of spine surgery nursing, in particular to a body position changing auxiliary device for spine surgery nursing, which comprises a bed frame, a fixed plate is fixed to the bed frame, a movable plate is hinged to one end of the fixed plate, a threaded rod used for driving the movable plate to be folded is arranged on the bed frame, and the threaded rod is in transmission connection with the movable plate through a connecting rod. On the movable plate, a groove is formed in the movable plate, a plurality of air bags are arranged in the groove, the air bags are communicated with an air cylinder arranged on the movable plate, and the screw drives the air bags to massage a patient in the process of driving the movable plate to turn over through the connecting rod and drives the air cylinder to convey air into the air bags at the same time, so that the air bags ventilate the patient while massaging. According to the body position changing auxiliary device for spine operation nursing, in the process of adjusting the body position of a patient through the screw rod, the corresponding part of the patient is massaged and ventilated through the air bag, so that skin pressure injury of the patient is reduced, the comfort of the patient is improved, pain is reduced, and rehabilitation is accelerated.

The invention discloses an anti-pressure fixing device for a drainage tube, which comprises a fixed film and an oil paper layer bonded to the fixed film. The fixed film is provided with a through hole and a first slit. A supporting seat is arranged around the hole, and the supporting seat is fixedly connected with the fixed film. A water-absorbing block is arranged inside the supporting seat, and a second slit is arranged on the supporting seat. The upper surface of the fixed film is fixedly connected, and the fixed film is provided with an easy-tear line. The catheter dressing has the advantages of firm sticking, not easy to fall off, and no pressure injury to the skin; moreover, the drainage tube is not easy to be bent after being fixed by the device, and the drainage effect is not affected.

The invention discloses a foot pillow for preventing pressure injury, which can keep the patient's heel in the air, reduce the pressure on the lower edge of the ankle at the same time, avoid the occurrence of pressure injury, and can also prevent or treat stroke patients due to stretching. Muscle spasms cause foot drop and cause walking inconvenience and other problems. The key points of the technical solution are: a foot pillow for preventing pressure injuries, including a pillow body, the pillow body is provided with a leg supporting part, a heel suspension groove and a limit mechanism for preventing foot drop, and the heel suspension groove is oriented to The lower depression, the leg support part and the limit mechanism are respectively located on both sides of the heel suspension groove, the leg support part is provided with an arc-shaped depression for fitting the leg, and the arc-shaped depression and the heel suspension groove are smooth Transitional connection, the connection between the arc-shaped concave part and the heel suspension groove is provided with a decompression mechanism for reducing the pressure on the ankle; the limit mechanism includes a resisting structure for resisting the sole of the foot and a sliding for resisting the structure structure against which the structure is equipped with drive means.

The invention discloses an isolation type high-pressure-resistance underground pipe column and a production method thereof, and belongs to the technical field of oil and gas drilling. According to theisolation type high-pressure-resistance underground pipe column and the production method thereof, an underground pipe column outer pipe is provided; an underground pipe column inner pipe is arrangedin the underground pipe column outer pipe; the underground pipe column inner pipe is positioned in the underground pipe column outer pipe and is arranged vertically; an upper-layer eccentric bottom-hole regulator is arranged on the underground pipe column inner pipe; the upper-layer eccentric bottom-hole regulator in sleeving connection with the upper end of the underground pipe column inner pipe; and the internal structure of the underground pipe column can be improved, the compressive strength on a side wall stress by the improved underground pipe column is improved, the side wall pressureis segmented and isolated by a layered structure, the side wall pressure is distributed in the outer structure conveniently, and occurrence of an underground pipe column stress concentration area is reduces, so that local accumulated damage generated by the internal part of the underground pipe column is reduced, cracking and breaking conditions of the internal part of the underground pipe columnare reduced and the safety of the oil and gas exploitation process is improved.

The invention discloses a pipeline laying auxiliary device for water conservancy and hydropower engineering construction. The pipeline laying auxiliary device for water conservancy and hydropower engineering construction comprises a base, a groove is transversely formed in the bottom of the base, the left side and the right side of the outer wall of a two-way lead screw are both sleeved with bearing seats in a threaded mode, fixing pieces are fixed to the tops of the bearing seats, and anti-counter-force supporting mechanisms are fixed to the sides, opposite to each other, of the two fixing pieces. Through arranging the anti-counter-force supporting mechanisms, a second driving device is driven to drive a connecting base to enable two supporting frames to move outwards, meanwhile, when the supporting frames move, two supporting plates drive rolling pieces to move upwards through wedge-shaped blocks, on one hand, the non-fixed part of a pipeline is supported, the force arm is increased, the fixed part of the pipeline is prevented from inclining upwards, and thus the fixed positions of the fixing pieces are prevented from being damaged due to stress; and on the other hand, the downward force of the pipeline does not directly act on the fixing pieces, so that the pipeline does not generate large indentations.

The invention discloses a building scaffold support pedestal with high safety; the building scaffold support pedestal comprises a support pedestal and a scaffold pole; reinforcing transverse ribs and vertical ribs are respectively densely arranged at equal intervals in a cavity of the support pedestal; the center of the cavity of the support pedestal is provided with a hollow chamber; the bottom in the hollow chamber is provided with a force bearing steel plate; the support pedestal is good in stability, high in safety, and a pad or the force bearing steel plate are employed to enhance force bearing ability of the support pedestal, thus preventing a condition in which the pressure of the scaffold pole directly applies in the center of the support pedestal, spreading the pressure on two sides of the support pedestal, reducing pressure damages of the support pedestal, prolonging life of the support pedestal, preventing broken damages of the support pedestal, and improving safety factor in usage.

The invention relates to the technical field of oxygen cylinder supports, and discloses a stable oxygen cylinder support. The head and tail, and each set of wheels are provided with four buffer mechanisms. By setting the buffer mechanism to cooperate with the support mechanism, after the user moves and transports the oxygen cylinder, the user can place the tail and head of the oxygen cylinder on the head. It is vertically supported on the ground, and at the same time, the four buffer mechanisms in the lower set of wheels are pulled outwards, respectively. When the buffer mechanism is pulled outward, it will rotate the teeth and rotate the support column downward to tilt. The position of the movable plate can be fixed by sliding, and the position of the movable plate can be fixed by cooperating with the clamping post and the clamping slot, so as to simultaneously fix the position of the supporting post, which not only facilitates transportation, but also achieves the effect of supporting and fixing the oxygen cylinder after transportation. .

The invention discloses a medical protective face shield, and relates to the field of medical protective articles. In order to overcome the defects that the contact part of the existing medical protective face shield and the head skin is mostly made of hard sponge, sufficient protection cannot be provided, pressure injury is easily caused to medical staff, the existing medical protective face shield cannot indicate the pollution degree, and a good protective effect cannot be achieved. The medical protective face shield provided by the invention comprises fixing bands, a soft polysilicone dressing layer, a mask body and a copper sulfate coating test paper band, wherein the fixing bands are connected to the two sides of the upper end of the mask body body, the soft polysilicone dressing layer is located on the inner side face of the upper end of the mask body, the mask body is rectangular, and the copper sulfate coating test paper band is adhered to the periphery of the outer side of the mask body. The pressure injury to the medical staff in the wearing process of the face shield can be reduced, the polluted degree of the face shield can be indicated, and the face shield can be replaced in time when polluted seriously, so that the medical staff are better protected.

The invention discloses a data security storage and security sharing system based on distributed key parameter fragments. The data security storage and security sharing system comprises the following steps: initializing and updating a key parameter queue by a client through a virtual gateway server and a key parameter fragment server; after the key parameter queue is updated, encrypting the data according to an encryption rule and storing the data in a data storage server; and obtaining the encrypted data by the client through the virtual gateway server and the key parameter fragment server again, and decrypting the encrypted data according to the password rule to obtain the original data for service requirements. According to the method, the distributed server cluster is adopted to perform data encryption and storage, and the regularly updated key parameter queue is matched with the custom password rule combination to symmetrically encrypt the key, so that the speed is high, the key is regularly changed. The virtual gateway server, the key parameter fragment server cluster and the storage server are all attacked. All the data cannot be decrypted, so that the security of the data is ensured.

A substrate board and a manufacturing method of a package structure are provided. The substrate board includes a first surface, a die-attaching area, a cutting area, a plurality of first pads and a first solder mask. The die-attaching area for attaching a die is located on the first surface. The first pads are disposed on the first surface. The first solder mask is partially disposed on the first surface to expose part of the cutting area and the first pads. The first solder mask is divided into a first inner area and a first outer area via the cutting area. The die-attaching area and the first pads are located in the first inner area. Wherein, part of the first mask is located on the cutting area for connecting the first inner area and the first outer area.

The invention discloses a chip and a manufacturing method thereof. The manufacturing method of the chip comprises the following steps: arranging a plurality of first conducting gaskets on the chip along one direction, wherein the first conducting gasket comprises a first part and a second part relative to the first part, and the length of the first part along the direction is larger than that of the second part along the direction; and arranging a plurality of second conducting gaskets arranged with the first conducting gaskets in a staggered manner on the chip, wherein each second conducting gasket comprises a third part and a fourth part relative to the third part, and the length of each third part along the direction is larger than that of the fourth part along the direction. The direction from the third part to the fourth part is opposite to the direction from the first part to the second part. The chip and the manufacturing method thereof can ensure that the conducting gaskets are densely arranged on the chip; and the design of the conducting gaskets at the corner can reduce the pressure damage of the chip generated during the encapsulation process.