7results about How to "Avoid recycling difficulties" patented technology

The utility model discloses a valve repairing system which comprises a valve repairing device and a delivery device. The valve repair device comprises at least one pair of clamping parts and at least one pair of elastic clamping parts, in a natural state, the pair of clamping parts are far away from each other and are respectively attached to the opposite clamping parts; the delivery device at least comprises a pushing assembly, the pushing assembly comprises a pushing catheter, the valve repair device is detachably connected with the far end of the pushing catheter, the pushing catheter is provided with a plurality of channels penetrating through the near end and the far end of the pushing catheter, and the channels at least comprise two opposite channels opposite to the two clamping parts in the axial direction; the valve repairing system further comprises at least two adjusting lines used for controlling the approaching angle of the pair of clamping parts, each adjusting line is folded into two strands after being movably connected with the clamping parts, and the near ends of the two strands of lines are movably arranged in the channel in a penetrating mode and connected with the near end of the pushing assembly. The two strands of wires of each adjusting wire are not arranged in the opposite channels on the opposite sides in a penetrating mode at the same time.

The utility model provides a kind of adjustable outer sheath, including sheath and knob being rotationally arranged in the tail end of the sheath, the inside of the pipe wall of the sheath is equipped with spiral channel, the spiral channel is arranged along the axial direction of the sheath, the inside of the spiral channel is equipped with tightening silk, one end of the tightening silk is fixedly connected with the front end of the sheath, the other end of the tightening silk is connected with the knob by breaking the outer wall of the sheath. By rotating knob to pull tightening silk, so that sheath can be retracted under the action of tightening silk, effectively avoid the problem that sheath is difficult to recover due to vasospasm or initial blood vessel passive expansion and other reasons.

The present invention provides an automatic storage bin for material tubes, comprising a tube pusher assembly, a tray assembly and a lifting material receiving assembly, wherein the tube pusher assembly and the lifting material receiving assembly are both connected to an external feeding mechanism, the tray assembly is connected to a slider of the lifting material receiving assembly through a fixed seat, the lifting material receiving assembly drives the tray assembly to move up and down through a driving unit, and the tube pusher assembly and the lifting material receiving assembly are both controlled by a controller. The automatic storage bin for material tubes of the present invention can sort and recycle material tubes, effectively avoiding the problem of difficulty in recycling caused by chaotic placement of material tubes during recycling.

This invention discloses a valve repair system, including a valve repair device and a delivery device. The valve repair device includes at least one pair of clamping portions and at least one pair of elastic clamping portions. In its natural state, the pair of clamping portions are far apart from each other and respectively abut against the clamping portions opposite to them. The delivery device includes at least a pushing component, which includes a pushing catheter. The valve repair device is detachably connected to the distal end of the pushing catheter. The pushing catheter has multiple channels extending through its proximal and distal ends, and at least two opposing channels are included among the multiple channels, which are axially opposite to the two clamping portions. The valve repair system also includes at least two adjusting wires for controlling the angle at which the pair of clamping portions approach each other. Each adjusting wire is movably connected to the clamping portion and then folded in half to form two strands. The proximal ends of both strands can be movably inserted into the channels and connected to the proximal end of the pushing component. The two strands of each adjusting wire do not simultaneously insert into an opposing channel on the opposite side.

The present invention relates to the technical field of medical devices, and specifically discloses an intracardiac bendable occluding umbrella delivery sheath assembly and a method of use. The intracardiac bendable occluding umbrella delivery sheath assembly comprises: an outer sheath and an inner sheath; the outer sheath has a first through hole, including a first delivery channel, and the end of the first delivery channel has an adjustment portion; the inner sheath includes a second delivery channel, and the second delivery channel is connected to a bendable bending portion, the inner sheath is inserted into the first through hole of the outer sheath, and the relative position of the adjustment portion and the bending portion in the axial direction is adjusted, and the inner sheath is pushed against the posterior wall of the heart to adjust the angle of the inner sheath. The angle can be arbitrarily adjusted between 0-90° according to the structure of the heart of each different patient and the location of various defects, fistulas, and leaks, so as to successfully implant an occluding umbrella of suitable model.

The utility model discloses a top illumination reactor, including outer tube structure, the outer tube structure includes outer tube body, and the upper end side of outer tube body is connected with the air inlet pipe, and the upper and lower both ends of outer tube body are connected with upper butt joint and lower butt joint respectively, the light guide column is arranged in the inside of outer tube body, the diameter of light guide column is less than the cavity diameter of outer tube body, and the lower end of light guide column is provided with hopper, the utility model belongs to photocatalysis technical field, and the utility model discloses the purpose at in the existing technology two sides circular light window place poor tightness and the characterization test of being not conducive to catalyst recovery after, and the uneven distribution of liquid film will also influence the mass transfer efficiency problem. The technical effect for reaching is: through optimizing the illumination conduction and catalyst contact structure, the photocatalytic reaction efficiency is improved significantly, adopts the top illumination design cooperation with light block and conical structure, can disperse the light source into uniform large area illumination, ensures the light uniformity of catalyst bed layer.

The invention belongs to the field of synthesis of organic compounds, and particularly discloses a method for synthesizing N-methylmorpholine oxide without catalysis, N-methylmorpholine oxide and hydrogen peroxide are used as raw materials, N-methylmorpholine oxide is generated through azeotropic dehydration reaction under the catalyst-free condition, operation is convenient, and the reaction process is shortened; no catalyst is used, so that the problems that the catalyst is difficult to recycle, more side reactions exist and the like are solved, and the yield and the purity of the N-methylmorpholine oxide are improved; in addition, the organic solvent used in the method can be reused, so that the production cost is reduced.