87results about How to "Small operating space requirement" patented technology

The invention relates to a visible stomach tube guiding device which comprises a hollow pipeline, airbags for fixing a stomach tube and an airbag inflation guide tube. The hollow pipeline is provided with a groove capable of containing most of the stomach tube, a transparent hose which can be bent in any direction is arranged at the front end of the hollow pipeline, and a transparent thin film layer covers a front-end opening of the hose. In the whole pipeline, position of the front end can be adjusted through an internally-arranged fiber bronchoscope for anesthesia to find an entrance of an esophagus to be guided into the esophagus. The airbags which is positioned on the side of the groove in rear of the hose and inclines towards the middle after being inflated can completely surround and fix the stomach tube, and inflation of the airbags is implemented through the guide tube communicated with the airbags and provided with a self-sealing inflation valve. The visible stomach tube guiding device has the advantages of simplicity, convenience and quickness in operation, high success rate in one-time intubation, capability of realizing orthophoric guide by disposing the fiber bronchoscope and reduction of side damage caused by intubation.

The invention discloses an embedded external prestress implementation system and a reinforced RC column construction method thereof. The embedded external prestress implementation system comprises steel strand arrangement grooves, prestress steel strands, end anchoring devices, prestress transverse tension devices, a traction line lifting device and a prestress applying device. The steel strand arrangement grooves which spirally ascend by m circles and n vertical grooves are formed in the surface of a reinforced concrete column to be reinforced. The prestress transverse tension devices are evenly distributed at the intersection points of the vertical grooves and the steel strand arrangement grooves. The traction line lifting device comprises a traction line and m traction line buckles. When the prestress applying device pulls the traction line downwards, the m traction line buckles extrude the m prestress transverse tension devices, so that m transverse tension assemblies transverselyextend, and then the prestress steel strands are transversely tensioned. By the adoption of the transverse tension mode, the expected tension effect can be achieved only by providing 1/5-1/7 of tension force during longitudinal tension. Meanwhile, anchoring is conducted firstly, then tension is conducted, end anchoring is convenient, and the anchoring difficulty is greatly lowered.

The invention provides an instrument driving device, an instrument end assembly, a surgical instrument and a surgical robot. The instrument driving device comprises a base, a first driving shaft, a second driving shaft, a first turnover part, a second turnover part, a traction body head end fixing part, a first transmission assembly and a second transmission assembly; the first driving shaft rotates, and first torque is applied to the second turnover part through the first transmission assembly; and the second driving shaft rotates, and second torque is applied to the second turnover part through the second transmission assembly to drive the second turnover part to rotate around a center point. Therefore, through rotation of the first driving shaft and the second driving shaft, the second turnover part can be driven to do universal motion around the center point, and then a joint part of the instrument end assembly located at the far end can be controlled to do universal motion in an equal proportion mode.

The invention provides a wheel hub rotating tool for conveniently completing fan impeller assembling. The wheel hub rotating tool comprises a fixed support, a rotating mechanism, a wheel hub tool anda rotating locking device, wherein a wheel hub tool is placed on the fixed support; the rotating mechanism and the locking device are arranged between the wheel hub tool and the fixed support and controlled by an electrical control system; and the equipment wheel hub tool can be freely rotated and locked through the electrical control system. The wheel hub rotating tool has the following advantages that (1) the hoisting feasibility of all blade lifting positions during ship hoisting machine model selection needs to be considered, while the hoisting feasibility of only a single blade lifting needs to be considered through the rotating tool, the lifting performance requirement of equipment is low, and meanwhile, the operating space requirement for a ship deck is low; and (2) by rotating therotating tool, blade lifting is always conducted on the side, close to a transport ship, of a mounting ship, and time is saved.

The invention discloses a stacking device for power equipment. The stacking device comprises an upright post, a moving device, a lifting rotating device and a clamping device, wherein the moving device is arranged on the top of the upright post; the lifting rotating device is arranged on one side of the moving device and is connected with the moving device; and the clamping device is arranged at the lower end of the lifting rotating device. According to the stacking device, the mobile device and the rotary lifting device can drive the power equipment to move transversely and longitudinally androtate in the circumferential direction, so that the working efficiency of stacking the power equipment is improved, the requirement on the operation space is low, only manual assistance is requiredwhen the power equipment is stacked, the manual workload is greatly reduced, the safety of stacking the power equipment is improved, and potential safety hazards are reduced.

The invention discloses an intervertebral disc annulus fibrosis suture device, comprising a first outer needle and a second outer needle, wherein the first outer needle and the second outer needle arehollow, and holes are arranged on opposite side walls of the first outer needle and the second outer needle. The first outer needle is internally provided with a hose for driving the hose to protrudeout of the hole and bend into the hole of the second outer needle, and a wire guide frame arranged in the hose and connected with a suture at the end is used for driving the second driving mechanismof the wire guide frame to move along the inner wall of the hose. The second outer needle is internally provided with a thread tracing needle and a third driving mechanism, the thread tracing needle is provided with a clamping groove for clamping with the wire guide frame at a position corresponding to the missing hole, and the third driving mechanism is used for driving the thread tracing needleto move along the axial direction. The invention can conveniently and easily realize the suture of the rupture of the intervertebral disc fibrous annulus in the intervertebral foramen microscope, improve the operation convenience and reduce the demand for the operation space. A method for suture an annulus fibrosus of an intervertebral disc is also disclosed, that beneficial effect of which are described above.

The invention discloses a multitube barium sulfate solution sampling device. The device is used by arranging a pipette on the lower end of a front protraction frame by operating staff before use, connecting with an air suction pipe through a through hole inside the front protraction frame, then rotating a rotating pressure rod to check whether an air bag has air leakage conditions, then rotating the rotating pressure rod to lead an extrusion plate to compress the air bag so as to exhaust internal air, inserting the pipette into a sodium sulfate solution and then reversely rotating the rotating pressure rod to lead the sodium sulfate solution to enter in the pipette, observing the height of liquid in the pipette until the required amount is achieved, and holding a lifting handle so as to lead the pipette to leave away the sodium sulfate solution, until the device completes the working process. The device can safely and reliably draw sodium sulfate solution for experiments, the efficiency is high, the clean working environment can be helpfully maintained, and the physical power consumption of the operating staffs can be reduced.

The embodiment of the invention provides a tractor for liver operation under a laparoscope, and belongs to the technical field of tractors under laparoscopes. The tractor for liver operation under thelaparoscope comprises an outer pipe, a push rod and a traction piece, wherein the two ends of the outer pipe are through, the push rod is arranged inside the outer pipe, the push rod can stretch andretract inside the outer pipe, the traction piece is arranged on the push rod, the push rod and the traction piece form a containing space, the containing space is a closed ring shape, the containingspace can act on the liver, and the liver is pulled by the push rod. The technical effects that the operation space requirement is small, and liver traction is convenient are achieved.

The invention discloses a mounting device used for a T-shaped joint nodular cast iron pipe. The mounting device comprises an open hoop with a hinge, a power steel block, a power screw, an auxiliary steel block, an auxiliary screw, power polish rods, lantern rings and three-joint universal joints. The open hoop with the hinge is composed of a moment input hoop and a moment output hoop. The power steel block is composed of a right-hand thread hole steel block, a left-hand thread hole steel block, two thread-free through hole steel blocks. The power screw is composed of a right-hand thread powerscrew and a left-hand thread power screw. The auxiliary steel block is composed of eight steel blocks with thread-free through holes. The auxiliary screw is composed of four right-hand thread screws.The total number of the power polish rods is two, the total number of the lantern rings is four, and the total number of the three-joint universal joints is two. The device is reasonable and simple instructure, light and small in requirement of operation space; and compared with the traditional mounting manner of mounting the T-shaped joint nodular cast iron pipe through a guide chain, operationof the device is more convenient, rapid and reliable, and the device has popularization value.

The invention discloses a connecting device for motor connecting. The connecting device comprises an inner circle and an outer circle. The inner circle is formed by two semi-circular cone stages which are provided with bottom seats. An inner hole which is matched with a shaft is formed in the center of the inner circle. The outer circle is a cylinder provided with a bottom seat. An inner cone face which is matched with the outer diameter of the inner circle is arranged in the center of the outer circle. After the inner circle is sleeved on the shaft, the inner cone face of the outer circle is matched with the outer diameter of the inner circle, and the inner circle is tightly fixed on the shaft. According to the connecting device for motor connecting, due to the arranged inner circle and the outer circle capable of being sleeved outside the inner circle, the outer circle is directly arranged outside the inner circle and the connection is completed during mounting, assembling operation is simple and convenient, the machining accuracy requirements of the motor shaft and the hole of the connecting device are lowered, disassembling is easy, the requirements of operation space are low, the connection can be completed in a narrow axial space, the connecting device is suitable for being used in various environments, and meanwhile manufacturing cost is low, machining and manufacturing are easy, and the connecting device is suitable for mass production.

The invention relates to a device for rapid liver transplantation by combining glue and magnetism with an intravascular stent and a using method of the device. The device comprises the intravascular stent and an extravascular magnetic gel strip, wherein needle pricks are arranged in the middle of the outer wall of the intravascular stent, the extravascular magnetic gel strip is arranged on the outer side of the intravascular stent, magnetic particles are arranged in the extravascular magnetic gel strip, and the intravascular stent is an expandable stent. The extravascular magnetic gel strip ismade of polyacrylamide-alginate double-network gel, and the magnetic particles are made of nanometer ferroferric oxide. The device has the characteristics of being quick, safe and reliable.

The invention relates to a child safety seat. The child safety seat comprises a seat body (1), a rotating supporting seat (2), a base (3), and a locking mechanism. The seat body (1) is mounted at therotating supporting seat (2); the rotating supporting seat (2) is mounted at the base (3); the locking mechanism is arranged at the rotating supporting seat (2), and can rotate relative to the base (3) along with the seat body (1) and the rotating supporting seat (2); and the locking mechanism can achieve locking or unlocking between the rotating supporting seat (2) and the base (3) in a rotatingmode. The locking mechanism is arranged at the rotating supporting seat. The locking mechanism can rotate with rotation of the rotating supporting seat, and therefore operating with one single hand byan operator is achieved. The locking mechanism achieves locking and unlocking in a rotating mode, compared with the linear moving mode, operating is more labor-saving, the moving stroke is short, requirements on the operating space are fewer, and operating is more convenient.

The invention relates to a continuous film coating device for an inner wall of an outer glass tube of a solar heat collecting tube. The device comprises a vacuum extractor, wherein the vacuum extractor is connected with the orifice end of the outer glass tube; a glass tube supporting device is arranged at the round head end of the outer glass tube; a movable high frequency device which is connected with the outer glass tube is arranged at the lower part of the outer glass tube; and a film coating device corresponding to the high frequency device is arranged in the outer glass tube. Meantime, the invention also discloses a film coating process using the device. The invention can directly coat a reflecting film with a designed radian according to the size of the central angle of the reflecting mirror of the glass tube, is suitable for large-scale mechanized production, and can greatly improve the film coating rate and ensure the film coating quality; and because a heat source is movable, the requirement for a vacuum operation space of vacuum film coating is greatly reduced, and a large vacuum chamber does not need to be established, thereby saving the production cost, greatly reducing the vacuum extracting time, and improving the production efficiency.

The present invention provides a fracture fixing steel plate and a steel plate fixing system and relates to the technical field of medical devices. The fracture fixing steel plate comprises a steel body portion and fixing portions for fixing the steel body portion, at least two through-holes penetrating a first surface and a second surface are arranged in the steel body portion, the through-holesare used for passing of steal wires, and the fixing portions are arranged on the second surface of the steal body portion. Due to the fact that at least two through-holes penetrating the first surfaceand the second surface are arranged in the steel body portion of the fracture fixing steel plate, both ends of the steel wires can penetrate into the through-holes at both sides from the first surface of the steel body portion to penetrate out from the second surface of the steel body portion, under a cooperation of an arthroscope, the steel wires can pull the fracture fixing steel plate to a fracture portion from in vitro in a pre-route, thus the fixing portions arranged on the second surface of the steel body portion can be fixed on a fracture block portion to effectively fix fracture blocks; since the fracture fixing steel plate can be introduced into the fracture portion from in vitro, operations are convenient.

The invention discloses an equipment lock applied to a server, which comprises a mounting seat arranged on a server case, a lock cylinder telescopically arranged on the mounting seat, and an unlocking handle slidably arranged on the mounting seat and used for driving the lock cylinder to do telescopic motion, and the front end of the unlocking handle extends to the front end of the server case. The sliding direction of the unlocking handle is parallel to the plugging sliding direction of the server case in the server cabinet; and the lock cylinder is matched and locked with a lock catch on the inner wall of the server cabinet when extending out for a preset length. Thus, when the server needs to be unlocked, a user only needs to pull the front end of the unlocking handle towards the outside of the server cabinet, the operation that the lock cylinder retracts into the installation base and the server case is pulled out can be achieved at the same time, the unlocking operation of the server is completed in one step, the unlocking operation of the server in the cabinet can be conveniently and rapidly achieved, and the unlocking efficiency of the server is improved. The plugging, unplugging, dismounting and mounting efficiency of the server in the cabinet is improved, and meanwhile the requirement for the operation space is lowered.