13results about How to "Maintain position" patented technology

An auto-occlusion safety device is provided for use in preventing rupture of infusion components during rapid infusion procedures. An occlusion valve is disclosed having a threshold pressure that is less than a rupture tolerance of the infusion system components. As the fluid pressure of the infusion system increases beyond the threshold pressure of the occlusion valve, the occlusion valve is automatically activated thereby occluding fluid flow upstream from a vulnerable infusion component. An accumulator is further disclosed for use in combination with the safety device to compensate for time delays in full activation of the occlusion valve.

The utility model provides a steel bar protective layer thickness control structure, and relates to the technical field of building construction.A cushion block is arranged between a steel bar and a formwork so that a certain distance can be formed between the steel bar and the formwork, and it needs to be noted that the height of the cushion block in the direction perpendicular to the face of the formwork is equal to the design value of the steel bar protective layer thickness. The distance between the steel bar and the template is the design value of the thickness of the steel bar protective layer; the fixing piece used for being firmly connected with the formwork is arranged on the cushion block, so that it is guaranteed that the cushion block cannot move relative to the formwork in the concrete pouring process; the binding piece used for tightly binding the reinforcing steel bar is arranged on the cushion block so as to ensure that the relative position between the reinforcing steel bar and the cushion block is not changed in the concrete pouring process, and therefore the reinforcing steel bar can be reliably connected with the formwork through the cushion block, it is ensured that the thickness of a reinforcing steel bar protection layer of a concrete member is reliably controlled, and the building construction quality is improved.

The invention belongs to the technical field of infant care equipment, and particularly relates to an adjustable ventilation crib which comprises an anti-toppling shell, a swing supporting unit connected to the interior of the anti-toppling shell and a crib body connected with the swing supporting unit. The swing supporting unit comprises a front-back swing assembly connected to the inner wall of the anti-toppling shell and a left-right swing assembly connected to the front-back swing assembly. The front-back swing assembly comprises two first side plates symmetrically and fixedly connected to the inner wall of the anti-toppling shell and a first transverse plate rotationally connected between the two first side plates. By means of the front-back swinging assembly and the left-right swinging assembly, the baby crib can swing in the front-back direction and the left-right direction at the same time, so that when a baby is still uncomfortable on the bed swinging left and right, the front-back swinging function can be tried to be used, and front-back swinging is closer to experience of the baby in the uterus of a mother; therefore, the baby can be better pacified and is helped to fall asleep.

The utility model relates to a CT (Computed Tomography) examination headrest, which belongs to the technical field of medical instruments and solves the problem that the CT examination headrest in the prior art cannot assist in fixing both hands of a patient. The CT examination headrest comprises a bottom plate, a headrest assembly, two arm containing groove assemblies and an adjusting assembly, the headrest assembly and the arm containing groove assemblies are connected with the bottom plate, the arm containing groove assemblies are connected through the adjusting assembly, and the adjusting assembly is connected with the headrest assembly. The headrest assembly is used for synchronously adjusting the angle of the two arm placing groove assemblies, a fixing block, a connecting shaft and an anti-slip strip are arranged on the bottom plate, and the connecting shaft penetrates through the headrest assembly, the arm placing groove assemblies and the fixing block; the adjusting assembly comprises a connecting rod, an adjusting rod, a connecting block and a rotary knob. According to the CT examination headrest, the angle of the arm containing groove and the angle of the headrest assembly can be adjusted, the two-hand body position of a patient can be fixed in an auxiliary mode, and the shoulders and the neck of the patient are prevented from sliding down.

The invention relates to the field of medical apparatus and instruments, and discloses a patient lying table for ophthalmologic operations, comprising a base, the inner wall of the base is slidably connected with a sliding plate, the upper surface of the sliding plate is fixedly connected with a connecting plate, the outer wall of the connecting plate is rotatably connected with a first pulley, and the outer wall of the connecting plate is rotatably connected with a first lifting plate; a connecting shaft is rotatably connected to the interior of the first lifting plate, a second lifting plate is rotatably connected to the outer wall of the connecting shaft, a first electric push rod is rotatably connected to the inner wall of the sliding plate, a push-pull plate is fixedly connected to the output end of the first electric push rod, and a second pulley is rotatably connected to the outer wall of the first lifting plate. The first electric push rod pushes the push-pull plate, the push-pull plate drives the second lifting plate to rotate, and the second lifting plate drives the first lifting plate to rotate, so that the whole lying table can be driven to ascend and descend, different ophthalmologic operations need different patient body positions, the ascending and descending lying table can be flexibly adjusted, and various operation requirements are met.

The utility model belongs to the technical field of medical clinical nursing instruments, and relates to a novel multifunctional body position adjusting table which comprises a front rod, connecting shafts arranged on the two sides of the front rod, a front vertical rod connected with the connecting shafts, locking universal wheels arranged at the bottom of the front vertical rod, an ejector rod arranged on the rear side of the top of the front vertical rod, and a rear vertical rod arranged on the rear side of the ejector rod. The top of the cross rod is provided with a flat plate; the top of the inclined rod is provided with an inclined plate; the bottom of the flat plate and the bottom of the inclined plate are provided with supporting rods; the two sides of each supporting rod are provided with buckling claws; the multifunctional walking aid is applicable to multiple scenes and postures, meets the requirements of life, safety and the like while well keeping the body position, can be used as a seat and a walking aid, and is convenient and practical.

The utility model discloses a pillowcase for turning over in a side-lying position, which comprises a pillowcase and further comprises a traction component, a pillow cover and a pillow cover, the traction assembly comprises a buckle, a hook, a pull rope and a box body, one end of the pillowcase is fixedly connected with the buckle, the buckle is connected with the hook, the hook is fixedly connected with the pull rope, the other end of the pillowcase is detachably and fixedly connected with the box body, a main shaft is rotatably connected in the box body, the main shaft is fixedly connected with a rope sleeve, and the rope sleeve is fixedly connected with the pull rope. One end of the pull rope is fixedly connected to the rope sleeve; according to the pillow, the pillow case can be effectively prevented from shifting, and the body position of a user can be adjusted.

The utility model provides a cleaning structure of a bean grinding coffee machine, which comprises a machine body, a detachable cleaning component is arranged on a grinding cavity of the machine body, the cleaning component comprises a cleaning seat, a pushing and pressing piece and an elastic resetting piece, the elastic resetting piece is arranged between the cleaning seat and the pushing and pressing piece, and a plurality of hard cleaning teeth are arranged at the lower end of the cleaning seat at intervals. Specifically, the cleaning assembly can be easily installed on the grinding assembly and can be detached and cleaned at any time in the using process. The hard cleaning teeth on the cleaning seat are matched with the grinding assembly, and the hard cleaning teeth can push and clean grinding materials in the cleaning process, so that the grinding materials are prevented from being uneven and remaining, the internal sanitation of the equipment can be kept, and the taste and quality of extraction can be improved; and the cleaning teeth can push the grinding material in the grinding assembly downwards, so that the coffee powder can be ground more uniformly, and the ground grinding material is finer and more uniform.

The utility model discloses a mammary gland postoperative bandage with good air permeability, which belongs to the technical field of bandages, and comprises a pair of fixing rings and an inflation assembly, the outer ends of the pair of fixing rings are provided with cover bodies, and the outer ends of the pair of fixing rings are fixedly connected with back bandages; a hook-and-loop fastener mother buckle and a hook-and-loop fastener son buckle which are bonded with each other are sewn on the pair of back bandages respectively, connecting bands are fixedly connected to the ends, close to each other, of the pair of fixing rings, and the pair of connecting bands are detachably connected; the cover body comprises a connecting ring, the outer end of the connecting ring is fixedly connected with a cover cup, the lifting air bag can be inflated through the arranged inflation assembly, additional support and stability can be provided, breasts can be pushed upwards, the degree of mastoptosis is reduced, the position and shape of the breasts after the breast surgery can be maintained, the appearance and confidence of a patient are improved, and the patient can use the bra conveniently. Meanwhile, the breasts can abut against the inner walls of the cups, and the uniform compression hemostasis effect is achieved.

The invention discloses a quadriceps femoris tendon taking device, and belongs to the technical field of medical instruments. Comprising a tendon taking column, a cavity is integrally formed in the tendon taking column, the left side of the tendon taking column fixedly communicates with a limiting cavity, the left side of the limiting cavity fixedly communicates with a clamping cavity, the interior of the clamping cavity is connected with a cutting-off cavity in a clamped mode, and a tendon taking opening is formed in the right side of the outer side wall of the tendon taking column; and the right end of the tendon taking column is fixedly connected with a rotary cutter head. According to the tendon taking device, through collaborative design of a plurality of components, an accurate and stable operation environment is provided for a tendon taking operation. The limiting block in the limiting cavity is accurately matched with the limiting clamping groove of the fixing cavity, unnecessary displacement of the fixing cavity in the horizontal direction and other directions is effectively limited, it is guaranteed that the cutting-off cavity and the cutting-off arc-shaped knife are located at the accurate working position all the time, and the risk of wrong tendon cutting caused by part position deviation is greatly reduced; and the accuracy of tendon taking and cutting actions is ensured. When the elastic clamping block in the clamping cavity is inserted into the fixing cavity, the fixing cavity is tightly clamped through restoring force generated by elastic deformation.

The utility model provides an electric connector combination. The electric connector combination comprises a plug electric connector and a socket electric connector. The plug electric connector comprises a first conductor, a second conductor, a conductor supporting piece and two electric connection sleeves, the two electric connection sleeves are combined with the first conductor and the second conductor respectively, one end of the insulation structure is combined with the two electric connection sleeves, the outer cover piece is provided with two through holes, and the two electric connection sleeves extend into the two through holes respectively. The conductor supporting piece comprises a surrounding part and a positioning part, the surrounding part surrounds the first conductor and the second conductor, the positioning part is located between the first conductor and the second conductor, and the two connecting positions of the positioning part and the surrounding part are arranged in a staggered mode, so that the positioning part is bent. When the plug electric connector and the socket electric connector are in butt joint, the two conductor columns are inserted into the two through holes of the outer cover piece respectively, the two electric connection sleeves push and press the two protection sleeve pieces respectively, the two protection sleeve pieces are made to move, and the butt joint ends of the two conductor columns are inserted into the electric connection sleeves respectively to form electric connection.

This invention belongs to the field of glass edging technology, specifically referring to an edging processing device for glass edge treatment. It includes a grinding replacement mechanism, a position sensing component, a tool adjustment component, a belt adjustment component, a belt feeding component, a water tank lifting component, and a leaning support. The grinding replacement mechanism includes a cutter head assembly, a self-locking drive component, and a self-locking grinding head assembly. The cutter head assembly is mounted on the self-locking drive component, and the self-locking grinding head assembly is mounted on the cutter head assembly. This invention achieves cyclic selection of the grinding wheel through the shape matching of the butterfly output head and the butterfly groove. To overcome the technical contradiction that the rotational resistance of the grinding shaft cannot be too large or too small, this solution proposes a rubber ring with fins. A slight reverse rotation when the grinding shaft disengages from the butterfly output head causes the fins to deform and accumulate elastic force, thereby maintaining the position of the grinding shaft in a non-selected state.

The utility model discloses a printed circuit board (PCB) lamination fixing structure, which comprises a first PCB, a second PCB and a lamination supporting column, the first PCB and the second PCB are arranged in an up-and-down lamination mode, the lamination supporting column is connected and supported between the first PCB and the second PCB, the first PCB is provided with a first through hole used for being inserted into one end of the lamination supporting column, and the second PCB is provided with a second through hole used for being inserted into the other end of the lamination supporting column. The second PCB is provided with a first through hole used for being inserted into one end of the lamination supporting column, the second PCB is provided with a second through hole used for being inserted into the other end of the lamination supporting column, the two ends of the lamination supporting column are welded and fixed in the first through hole and the second through hole respectively, and a plurality of electronic elements are fixed to the second PCB and attached to the side edge of the lamination supporting column. The first PCB and the second PCB are welded into a whole through the laminated plate supporting columns, the integral connection greatly enhances the rigidity of the whole structure, and even if encountering external violent impact or vibration interference, stress can be effectively dispersed by means of the powerful supporting of the supporting columns and the dragging effect of stable welding points, and the protection effect of limiting and fixing on electronic elements is also achieved.