39results about How to "Achieve injection" patented technology

The invention discloses a three-dimensional force-sensing surgical needle for minimally invasive surgery. The needle comprises a minimally invasive surgery needle, the minimally invasive surgery needle comprises a medical surgery needle head which is fixedly connected to a thin hose and used for injecting and sucking a liquid or a medicine and a hollow metal tube which is connected to the medicalsurgery needle head, and three fiber grating sensors are evenly distributed on the outer surface of the hollow metal tube in the 120-degree axial direction in the circumferential direction; a fiber grating demodulator is connected to the fiber grating sensors, emits laser to the fiber grating sensors, receives laser signals with a specific wavelength returned by the fiber grating sensors, convertsthe laser signals into digital electric signals and demodulates the wavelength corresponding to each grating point; and a data acquisition and force decoupling calculation device receives the wavelength corresponding to each grating area sent by the fiber grating demodulator and performs analysis and calculation so as to obtain stress information of the front end of the minimally invasive surgeryneedle in real time, wherein the stress information is displayed by a display device in real time. The surgical needle is used for detecting the operation force in the operation process in real time.

The invention provides an automatic injection pen, including an upper housing, a lower housing, a syringe, a piston rod for squeezing an inner space of the syringe, a drive sleeve sleeved with the piston rod, and a trigger sleeve sleeved on the drive sleeve and slidably connected with the upper housing along an axial direction of the upper housing for clamping the piston rod. The triggering sleevearranged inside the lower housing and slidably connected with the lower housing along the axial direction thereof, for pushing the triggering sleeve to move along the axial direction of the upper housing so that the triggering sleeve and the piston rod are disengaged from the clamping connection, and pushing the piston rod to squeeze the syringe barrel through the driving sleeve; the upper housing and the lower housing are pivotally connected in the circumferential direction thereof so that the trigger sleeve can be pushed by the trigger sleeve when the trigger sleeve is in the open positionby relative rotating between the upper housing and the lower housing. Compared with the prior art, the present application can simplify the internal structure of the automatic injection pen and reducethe production cost.

The invention belongs to the technical field of soilless cultivation and specifically relates to a soilless culture process for a young seedling. A guide slot and an impeller are arranged, and a second magnet block moves up and down to make an air flow in the guide slot flow, so that a rotating shaft drives the impeller to rotate, and a water flow in a first cavity flows due to the rotation of theimpeller, so that garbage is effectively prevented from being precipitated, it can be ensured that the bottoms of culture barrels are clean after water is changed, and the growth of the young seedling can be favorably realized; in addition, a culture solution can be more uniformly mixed with water when the water flow flows, so that the phenomenon that the nutrient solution at the root of the young seedling is excessive to affect the growth of the young seedling is avoided; a used rotatable soilless culture device for the young seedling comprises a support frame, a first disk, the culture barrels and a controller; the inner wall of the upper end of the support frame is provided with a red light lamp tube; and the four culture barrels are provided and are circumferentially distributed by taking the first disk as a center of a circle. By using the soilless culture process, garbage precipitation in a water changing process can be effectively avoided, and the young seedlings cannot be injured in the water changing process.

The invention discloses an angle adjusting device for a lamp body of a recessed lamp. The angle adjusting device comprises a lamp body assembly and a mounting disc with a light outlet hole; a fixed plate is eccentrically arranged on the upper surface of the mounting disc; one side of the lamp body assembly is detachably connected with a movable plate; a first connecting plate and a second connecting plate are connected between the movable plate and the fixed plate; the middle of the first connecting plate is rotationally connected with an angle adjusting plate capable of adjusting the inclination angle of the lamp body assembly in a linkage mode, the angle adjusting plate is gradually bent on the vertical plane in the direction away from the first connecting plate, the curvature radius isgradually increased, and a limiting mechanism for maintaining the lower surface of the angle adjusting plate to make contact with the upper surface of the mounting disc is arranged on the mounting disc. When the light emitting projection angle is adjusted by manually pushing and pulling the lamp body assembly, the lamp body assembly can move backwards in the rotating direction while eccentricallyrotating, projected light can be completely emitted out of the light outlet hole, the light emitting amount cannot be reduced due to light shielding, and the operation process is simple.

The invention discloses a veterinary injector with the stirring function, which comprises an injection cylinder and a piston rod, one end of the injection cylinder is fixedly connected with a liquid outlet pipe, the liquid outlet pipe is communicated with the injection cylinder, a stirring threaded shaft is arranged in the injection cylinder, and stirring blades are fixedly arranged at the end, close to the liquid outlet pipe, of the stirring threaded shaft, and the rotating shafts on both sides of the stirring blades are sleeved with a rotating shaft sleeve. According to the invention, the stirring threaded shaft is threaded connected with the piston rod, so that the piston rod moves in the injection cylinder to drive the stirring threaded shaft and the stirring blades to rotate, and thenthe medicine in the injection cylinder is stirred, and the position of the threaded sleeve on the guide post is adjusted by rotating the threaded sleeve, therefore, the maximum limit range of the piston rod in the injection cylinder is changed, the maximum injection amount of one-time injection is controlled, medicine injection is executed through a one-way injection needle, a first check valve and a second check valve, medicine in a medicine bottle is taken in through the injection cylinder, and the problems in the background technology are solved.

The invention provides a multi-light emergent surface LED (Light Emitting Diode) lamp with a lamp cup structure, comprising a substrate, at least two groups of LED lamp bands and a light reflecting element which is used for increasing the light reflecting efficiency, wherein the substrate is of the lamp cup structure which is subjected to integrated moulding; the lamp cup structure is provided with a cup top opening and a cup bottom substrate; the section of the cup bottom substrate is provided with a triangular or V-shaped bulge; the LED lamp bands are respectively arranged on the two side faces of the bulge; two light emergent surfaces are formed in the lamp cup structure; the cup wall of the lamp cup structure is provided with a movable fixing structure; the light reflecting element is movably inserted into the cup wall through the movable fixing structure; another part of light rays emitted by each light emergent surface is directly emitted from the cup top opening. By using the multi-light emergent surface LED lamp, the light loss degree of a light source is effectively improved, adjustment can be carried out according to different needs of light emergence, and light emergence can be optimally realized.

The invention relates to a connection rod type nozzle mechanism, comprising a nozzle provided with a jetting channel therein, wherein the jetting channel consists of transverse and vertical channels which are vertical to each other, a shaft hole located at the jetting channel and vertical to the transverse and vertical channels is formed in the nozzle, a rotating shaft with a through hole is rotationally arranged in the shaft hole, and only under the jetting state, the feed port and the discharge port of the through hole are correspondingly communicated with the jetting hole respectively; the end of the rotating shaft is fixed with one end of a first connection, and the other end of the first connection rod is hinged with one end of a second connection rod which moves under the drive of a power source. In use, the jetting channel can be opened or closed by driving the rotating shaft, thus the jetting port is not required to contact with a die in pre-molding and jetting, and the multi-direction continuous injection and pre-molding composite functions are likely to achieve; meanwhile, the plastic smelt is not liable to remain in the vertical channel due to dead weight, so that the occurrence of overflow phenomenon is effectively avoided when the jetting channel is in the close state; in addition, the connection rod type nozzle mechanism has the advantages of simple overall structure, low cost, convenience in maintaining as well as long service life.

The invention relates to a high-efficiency rotating injection mechanism for an electrolyte. The high-efficiency rotating injection mechanism comprises a work bench (1), a sliding block (2), an injection barrel (3) and spray gun connecting rods (323), wherein the sliding block (2) is movably arranged on the work bench (1); the injection barrel (3) comprises a first barrel body (30), injection rods (31) and spray guns (32); the spray guns (32) are arranged on a bottom plate (303) of the first barrel body (30); rotary mobile grooves (3030) for the spray guns (32) are formed in the bottom plate (303); the spray gun connecting rods (323) connect the spray guns (32) into a whole; the spray gun connecting rods (323) are connected with and provided with a motor (324); and the motor (324) drives the spray guns (32) to move along the rotary mobile grooves (3030). The invention provides the electrolyte injection mechanism. The electrolyte absorption mode in the mechanism is rotary centrifugal injection; injection of the electrolyte is finished by twice; and the electrolyte absorption effect is good.

The invention relates to the field of medical equipment, in particular to a bolus injection device. The bolus injection device comprises a first needle cylinder, a second needle cylinder and a push rod, wherein the second needle cylinder is arranged in the first needle cylinder; the push rod is arranged in the second needle cylinder; a needle base of the first needle cylinder is used for installing a needle; a first plunger is installed on a needle base of the second needle cylinder; a second plunger is installed at the bottom of the push rod; the second needle cylinder is tightly attached to the inner wall of the first needle cylinder through the first plunger; the push rod is tightly attached to the inner wall of the second needle cylinder through the second plunger; a through hole is formed in the middle of the first plunger and allows the needle base of the second needle cylinder to be led in; a one-way valve is installed in the through hole; and an annular protruding part with a diameter smaller than the diameter of the through hole is arranged at the bottom of the first needle cylinder and serves as a control switch of the one-way valve. The bolus injection device is ingenious in design, reasonable in structure and low in manufacturing cost, bolus injection can be achieved, and the residual amount of the injector is reduced; and time for workers to receive radioactive medicine radiation is shortened, and remarkable popularization significance is achieved.

The invention relates to the technical field of bearing pedestals, in particular to a low-abrasion bearing pedestal which comprises a bearing base, a sealing mechanism is installed on the bearing base, and two oil injection mechanisms for injecting oil to lubricate the inner side of a bearing are installed on the bearing base in a back-to-back mode. Two fixing mechanisms for fixing the oil injection mechanisms are mounted on the bearing base, an extrusion mechanism for pushing the two oil injection mechanisms is mounted on the bearing base, and two power mechanisms for conveniently taking out the two oil injection mechanisms are mounted on the bearing base. The two oil injection mechanisms for lubricating the inner side of the bearing on the bearing base are installed on the bearing base in a back-to-back mode, when the inner side of the bearing on the bearing base needs to be lubricated, the oil injection mechanisms abut against each other by sliding the extrusion mechanism, and after the oil injection mechanisms abut against each other, butter can be extruded to the inner side of the bearing on the bearing base. When the bearing works, the butter can be annularly smeared, the lubricating speed is high, no top cover needs to be disassembled, and operation is easy.

The invention relates to the technical field of medical instruments, specifically to a medical puncture biopsy device. The medical puncture biopsy device comprises an outer tube, an inner tube and a puncture needle, wherein the inner tube is inserted into the outer tube; a negative-pressure channel is formed between the tail parts of the inner tube and the outer tube; a negative pressure opening communicating with the negative pressure channel is arranged on the outer wall of the outer tube; the puncture needle is provided with a puncture end and a connector located at one end away from the puncture end; the connector is in threaded connection with the inner wall of the inner tube; the inner tube and the outer tube are respectively provided with a biological gel inlet; the inner tube can move to a first position and a second position in the axial direction of the outer tube; when the inner tube is located at the first position, the tail end of the inner tube and the puncture end of thepuncture needle are both located in the outer tube, and a gap is formed between the tail ends of the inner tube and the outer tube in an axial direction; and when the inner tube is located at the second position, the end surfaces of the tail ends of the outer tube and the inner tube are flush, and a first biogel inlet communicates with a second biogel inlet, and the puncture needle extends out ofthe tail end opening of the outer tube. According to the invention, tumor cells can be prevented from leaking out of a puncture part in puncture biopsy.

The invention discloses an inferior vena cava filter recovery device and method, wherein the recovery device comprises, includes a recovery unit and a capture unit, the recovery unit includes a sheathcore tube, a retrieval catheter and a retrieval sheath, the proximal end of the recovery catheter is provided with a first locking member, the proximal end of the recovery sheath tube is provided with a second locking member, the distal end of the sheath core tube is provided with a through hole for circulating contrast agent. The catching unit comprises a handle located at the proximal end, a snare located at the distal end, a guide wire assembly respectively connected with the snare and the handle, and a sleeve sleeved with the guide wire assembly, the sleeve penetrating the recovery catheter, the guide wire assembly comprising a straight guide wire portion connected with the handle, and a flexible guide wire portion connected with the snare. At least that invention has the advantage that the recovering end of the inferior vena cava filter is easily captured, the filter can be safely withdrawn from the recovering sheath tube, and the structure is optimize.