25 results about "Drug Contamination" patented technology

The application discloses a kind of ZnO-MoO3 material of loading oxygen vacancy and its preparation method and the application of activated high ferrate degradation water pollutants, the preparation method of ZnO-MoO3 material of loading oxygen vacancy is as follows: the mass ratio 10:1~80:1 of ZnO and MoO3 is weighed, first using oscillator initial mixing, then be placed in ball mill jar, again put into ball mill and carry out ball milling to depth mixing, again the mixed powder is placed in tube furnace and calcined under inert atmosphere, calcination temperature is 300~900 DEG C, calcination time is 2~10 hours, collect sample after calcination, after cooling to room temperature, the ZnO-MoO3 material of loading oxygen vacancy is prepared.The application uses ZnO-MoO3 material of loading oxygen vacancy and activates high ferrate (Fe (VI)) to strengthen degradation typical drug pollutants, and the material significantly improves the degradation ability of high ferrate to drug pollutants, widens the application scene of high ferrate and realizes the effective removal of water drug pollutants.

The utility model provides a hospital custom-made cabinet, relates to medical storage cabinet technical field, including cabinet main part and multifunctional storage mechanism, through the separate setting of storage subassembly and medicine storage subassembly, when in use, prevent medicine and living goods mixed place and cause the medicine pollution, and the medicine storage subassembly is independently provided with constant temperature medicine storage cabinet inside, and it is convenient to use. According to the constant-temperature medicine storage cabinet, the medicine containing baskets convenient to pull are arranged in the constant-temperature medicine storage cabinet, medicines are placed in a classified mode, medicines needing to be stored at constant temperature are placed in the constant-temperature medicine storage cabinet, other medicines are placed on the upper side of the constant-temperature medicine storage cabinet, and therefore the medicines are stored in a separated mode, mutual pollution between the medicines is prevented, and medicine failure cannot be caused; the ventilation fan and the ventilation backflow groove are independently arranged on the rear side of the constant-temperature medicine storage cabinet, after medicine is placed in the constant-temperature medicine storage cabinet, air backflow can be conducted in the constant-temperature medicine storage cabinet through interaction of the ventilation fan and the ventilation backflow groove, and the medicine is prevented from losing efficacy.

The utility model relates to the technical field of medical instruments, in particular to a bottled poison and anesthesia medicine counting device which comprises a transparent medicine containing bottle, the bottom of the transparent medicine containing bottle is movably connected with a rotating assembly, and a scale replacement core (5) is clamped in the middle of the upper end of the transparent medicine containing bottle. A number graduated scale is arranged on the outer side of the transparent medicine containing bottle, and a first medicine storage groove, a second medicine storage groove, a third medicine storage groove and a fourth medicine storage groove are formed in the periphery of the lower end of the transparent medicine containing bottle respectively. According to the bottled poison and anesthesia medicine counting device, through the design, the replaceable drawing and inserting type poison and anesthesia medicine scale replacing core is adopted, clinical workers can be helped to clearly see the accurate remaining amount of tablets at present, the situation that the medicines are repeatedly poured out and then put back into a transparent medicine containing bottle is not needed, and the working efficiency is greatly improved. The possibility of medicine pollution is reduced, and the medication safety of a patient is ensured.

The needle type injection system assembling machine comprises a carrier mechanism, a lateral clamping mechanism, a material moving mechanism and a lateral material pushing mechanism, a pre-filling needle carrier of the carrier mechanism comprises a supporting seat, a bearing part and a first reset part, the bearing part can move between a first position and a second position, the first position is far away from the supporting seat, and the second position is far away from the supporting seat. The second position is close to the supporting seat, the first reset part is configured to enable the bearing part to deviate to the first position, the bearing part is used for bearing the pre-filling needles of the needle type injection system, and needle tips of the matched pre-filling needles with various lengths are all kept suspended. On one hand, the tops of the pre-filling needles with different lengths can be assembled with other parts at the same height to adapt to the pre-filling needles with different lengths, and on the other hand, the needle tip is always suspended in the air in the assembling process to prevent the needle tip from being in contact with a carrier or other parts, so that the risks of medicament pollution and needle tip damage are reduced; and the automation degree of assembly of the needle type injection system is improved.

Systems and methods presented herein facilitate the processing of mixed plastic medical waste (MPMW) into pyrolysis oil. Embodiments of the systems and methods enable MPMW to be treated by a single treatment unit and / or single treatment step that facilitates at least sterilization, agglomeration, densification, and heteroatom removal of the MPMW, thereby to yield pre-pyrolysis treated MPMW (PPT-MPMW) that is better suited for pyrolysis than untreated MPMW. Relative to MPMW, the PPT-MPMW may be mostly or entirely free of biological or medicinal contaminants, may have a substantially higher density, and may be mostly or entirely free of heteroatom contaminants. As such, the PPT-MPMW reduces or eliminates the risk of inadvertent exposure to biological or medicinal agents, improves the efficiency of pyrolysis oil production, reduces or eliminates the risk of damage to pyrolysis oil production and / or processing equipment that results from heteroatom content, and improves the stability of the resulting pyrolysis oil.

The utility model discloses a three-way valve, relates to the technical field of valves, and solves the technical problem that an existing three-way valve easily causes medicine pollution due to the structure of a valve body. The three-way valve comprises a valve body, a valve element and a sealing assembly, a first connecting pipe, a second connecting pipe and a third connecting pipe which are communicated with one another are arranged on the valve body, the valve element is rotatably arranged in the valve body, a three-way channel which can be communicated with the first connecting pipe, the second connecting pipe and the third connecting pipe is arranged on the valve element, and therefore the three-way valve is formed. A wrench is arranged on the valve element, the sealing assemblies are arranged at the positions, corresponding to the first connecting pipe, the second connecting pipe and the third connecting pipe, of the inner wall of the valve body, and the sealing assemblies abut against the side wall of the valve element in a sealed mode.

The utility model discloses a high voltage direct current relay with voltage detection, comprising a relay housing, the relay housing is internally provided with an installation groove, the installation groove is internally provided with two groups of main terminals, the bottom of each main terminal is provided with a power connection column, and the power connection columns are connected with a circuit in the relay housing. The interior of the main terminal is provided with a wiring hole, and the wiring hole is electrically connected with the power connection column. When the medicine dispensing device is used, bottled medicine particles are guided into the medicine bin, the medicine can slide into the medicine outlet, at the moment, the pressing block plays a role in blocking, the pressing block is pressed to enable the quantitative hole to move to be aligned with the medicine outlet, the medicine falls into the quantitative hole, only one medicine particle can fall into the quantitative hole, and the pressing block is loosened to reset through the spring column type pressing block. The quantitative hole and the medicine leaking opening are mutually aligned, so that medicine falls into the medicine box, one medicine can be discharged by pressing each time, accurate medicine discharging can be achieved, and medicine pollution is avoided.

The invention relates to a medicine bottle clamping mechanism which comprises a base, a clamping assembly, a synchronous structure and a driving device, the clamping assembly comprises two clamping pieces arranged in the first horizontal direction in a spaced mode, the two clamping pieces are movably installed on the base so that the distance between the two clamping pieces can be adjusted, and the synchronous structure is arranged between the two clamping pieces so that the distance between the two clamping pieces can be adjusted. The synchronous mechanism is arranged to enable the two clamping pieces to move synchronously, the driving device is connected with one clamping piece in a driving mode and used for driving the corresponding clamping piece to move, the two clamping pieces can move synchronously by arranging the synchronous mechanism, the two clamping pieces can be driven by one driving device, and consistency and stability of clamping actions can be kept. And meanwhile, a driving device is arranged to drive one clamping piece to move, so that the two clamping pieces can be close to or far away from each other, clamping and loosening of the medicine bottles are achieved, the automation degree of the medicine dispensing process can be improved, and the problems of medicine pollution and low efficiency caused by manual operation are solved.

The application belongs to the technical field of adsorbents for water treatment, and discloses an aluminum-based nanoflower adsorbent, a preparation method thereof and application of the aluminum-based nanoflower adsorbent in treating wastewater polluted by antiviral drugs. The preparation of the aluminum-based nanoflower adsorbent comprises the following steps: after water bath heating of aluminum material chemical polishing waste liquid and ammonia, post-treatment is performed to obtain the aluminum-based nanoflower adsorbent. The aluminum-based nanoflower adsorbent is prepared by using the aluminum material chemical polishing waste liquid, and the preparation process is simple, and the production cost is low, so that the purpose of "waste treatment by waste" is achieved. The obtained aluminum-based nanoflower adsorbent is easy to separate from the treated wastewater, has high treatment efficiency, and does not cause secondary pollution to the environment. The removal efficiency of the aluminum-based nanoflower adsorbent on lopinavir reaches 61.79-88.77%, and the removal efficiency of the aluminum-based nanoflower adsorbent on ciprofloxacin hydrochloride reaches 76.93-98.72%, so that the aluminum-based nanoflower adsorbent can be used as an adsorbent in wastewater polluted by antiviral drugs.

The invention discloses a medical medicine preparation device and a medicine preparation method thereof, and relates to an ampoule injection automatic medicine preparation device and a use method thereof. A medical medicine preparation device comprises a medicine preparation module, one or more ampoule bottle fixing modules and one or more injector fixing modules. Wherein the medicine preparation module forms an independent clean closed environment to provide a clamping groove for stable connection for the ampoule bottle fixing module and the injector fixing module. And the ampoule bottle fixing module and the injector fixing module are connected at a determined position through a clamping groove provided by the medicine preparation module. The three modules are separated before medicine preparation, and storage and transportation are convenient. In the medicine preparation process, the ampoule bottle fixing module and the injector fixing module are pushed into the clamping grooves of the medicine preparation module, and a whole is formed through connection of determined positions to complete medicine preparation. Under the hospital environment, batch medicine preparation is achieved by arranging the ampoule bottle fixing modules and the injector fixing modules in batches, the medicine preparation workload of medical staff in the medicine preparation process is reduced, the labor intensity is lowered, and operation faults caused by busy and fatigue in the medicine preparation work are reduced. In an emergency field accident site, the risk of medicine pollution in the field dirty and disordered environment in the medicine preparation process is reduced through the closed medicine preparation environment.

The invention discloses double-layer microalgae hydrogel for removing two drugs as well as a preparation method and application of the double-layer microalgae hydrogel, and belongs to the technical field of microorganism application. The invention provides a strain of chlorella sp. Ch-SI50, and the preservation number of the chlorella sp. Ch-SI50 is CCTCC (China Center For Type Culture Collection) NO: M2024223. The double-layer microalgae hydrogel is prepared from the chlorella and hydrogel. The method has the beneficial effects that the microalgae-hydrogel can prevent microalgae from overflowing and polluting the original water environment while removing pollutants, and the method is a sewage purification scheme integrating physical adsorption and microalgae degradation. Therefore, the microalgae-hydrogel can be applied to typical polluted water containing drug wastewater to remove drug pollutants, protect water quality and maintain ecological balance.

This invention discloses a method for detecting and evaluating pharmaceutical pollutants in water bodies based on a knowledge graph, comprising the following steps: acquiring monitoring data of pharmaceutical pollutants in water bodies and constructing a dynamic knowledge graph sequence; extracting the structural topological representation and textual semantic representation of compound nodes, and gating and fusing them to generate a multimodal initial representation; using DeepWalk to generate static embedding vectors for each time window; extracting temporal features through gated recurrent units to generate dynamic embedding vectors, and optimizing them using contrastive learning; inserting new pollutants into the graph and inferring their dynamic embedding vectors; calculating the similarity with known nodes to determine the risk warning level; searching for paths and converting them into natural language descriptive text, and outputting the warning level and explanatory text. This invention achieves dynamic, interpretable, and rapid evaluation of the risk of new pollutants, improving the accuracy of risk warnings and the transparency of decision-making.

The application belongs to the field of traditional Chinese medicine, and particularly relates to a time-delay spray containing dry toad extract and toad oil and a preparation method thereof. The time-delay spray provided by the application can significantly treat male erectile dysfunction. The time-delay spray prepared by the application has the advantages of direct action, quantitative drug delivery, and no contact to avoid drug pollution. The application realizes the transformation of waste into treasure of toad oil, fully excavates the medicinal value of toad oil, further improves the rational utilization system of toad resources, and provides a practical scheme for efficient development of toad medicinal resources.

The utility model relates to the field of medical instrument auxiliary devices, in particular to an anti-toppling medicine cup support. The anti-toppling medicine cup support comprises four sliding rails, a connecting plate, a connecting frame, a sliding frame and the like, each sliding rail is provided with a plurality of clamping grooves, the connecting frame is fixedly connected among the tops of the four sliding rails, and the sliding frame is fixedly connected with the connecting plate. A plurality of sliding frames are vertically and slidably connected between the two sliding rails on the same side in the left-right direction through sliding grooves. A bolt is rotated to drive a limiting plate to be separated, a positioning plate is driven to overcome the elasticity of a first spring to be disengaged from a sliding rail, a sliding frame moves downwards, the overall gravity center of the containing disc is lowered, and the problems that an existing medicine cup support is high in height, the gravity center is scattered, toppling and shaking are likely to happen during collision, medicine is scattered, and medicine pollution and waste are caused are solved. And particularly, the influence on expensive or special drugs is particularly significant.

The invention relates to the technical field of drug delivery, and discloses a drug delivery device which comprises a storage cylinder, a sealing baffle is fixedly connected to the inner wall of the storage cylinder, a pull rod is slidably connected to the inner wall of the sealing baffle, a pull handle is fixedly connected to the rear end of the pull rod, and a piston plate is fixedly connected to the front end of the pull rod. The front end of the storage cylinder is fixedly connected with a connector, the circumferential surface of the connector is fixedly connected with an annular plate, the inner wall of the annular plate is rotatably connected with a clamping block, and the front side of the clamping block is fixedly connected with a pipeline. By means of the structure, connection is quicker and more convenient during medicine extraction, complex operation or tools are not needed, time and energy are saved, the medicine replacement efficiency is improved, medicine pollution or device faults caused by improper cleaning can be avoided, and the possibility of infection is reduced.

A drug storage apparatus having a classification function, comprising a support bracket (1), a storage cabinet (2), a storage groove (3), a storage box (4), an adjustment plate (5), an adjustment shaft (6), an adjustment hole (7), a spiral spring (8), an adjustment handle (9), a drug guide frame (10), a material guide port (11), L-shaped extension plates (12), extension springs (13), an adjustment groove (14), a sliding assembly, a restoring assembly, a guide assembly, and an opening and closing assembly, wherein the adjustment plate (5) is provided inside the storage box (4), the adjustment shaft (6) is provided inside one end of the adjustment plate (5), the extension springs (13) are arranged at the other end of the adjustment plate (5), a plurality of groups of extension springs (13) are provided, the L-shaped extension plate (12) is provided at one end of the extension springs (13), and the adjustment groove (14) is provided on one side of the storage box (4). During use of the drug storage apparatus, when the adjustment plate (5) is inclined, an upper edge of the opening and closing assembly can be abutted and squeezed by a lower edge of the front end of the drug guide frame (10), such that drugs can smoothly slide out along the drug guide frame (10), thereby avoiding drug contamination that may be caused by fully opening the storage box (4), and achieving rapid and convenient removal and effective classification and management of the drugs.

The invention discloses a safe liquid medicine preparation dissolving device which comprises an outer sleeve, a plunger and a puncture needle tube, the outer sleeve comprises a tube body with a containing cavity and a puncture part, and the puncture part is arranged at the front end of the tube body in an extending mode and internally provided with a through hole; the plunger is arranged in the outer sleeve body in a sliding mode, a plunger body is an inner sleeve provided with a containing cavity, the front end of the inner sleeve is connected with an elastic component, and the outer diameter of the elastic component is in interference fit with the inner diameter of the outer sleeve body. The puncture needle tube is axially assembled and fixed in the inner cavity at the front end of the inner sleeve, the rear section extends into the accommodating cavity of the inner sleeve, and the front section penetrates through the through hole of the puncture part of the outer sleeve and extends to the area, close to the opening end, of the front part of the through hole. According to the invention, liquid medicine is not in contact with outside air during medicine dispensing, so that liquid medicine pollution is avoided; potential harm to medical staff caused by acupuncture injury is eliminated, and the whole liquid preparation process is safer, simpler, more convenient and more efficient in operation.

A bonding medicine dicing machine comprises a feeding container, a stirring mechanism, a conveying mechanism and a cutting mechanism. The stirring mechanism comprises a stirring driving unit and a stirring acting end; the conveying mechanism is located on one side of the discharging port of the feeding container, and the conveying mechanism is used for conveying the stirred bonding medicine; the cutting mechanism is located on one side of a conveying opening of the conveying mechanism and comprises a cutting driving unit and a cutting acting end, and the cutting driving unit drives the cutting acting end to conduct cutting and dicing operation on the bonding medicine conveyed out of the conveying opening. By means of the scheme, efficient and controllable cutting and dicing operation on bonded medicine is achieved, medicine which is difficult to treat in the previous medicine dispensing process and is seriously bonded can be quickly and accurately dispensed through the dicing machine, and the problems that medicine pollution is caused, dispensing is inaccurate, and medicine materials are wasted in the manual treatment process are solved.

A storage device for tablet assembling comprises an operation table, a storage part, a containing frame and a tablet feeding device. The operation table comprises a vertical wall and a platform; the storage part comprises a storage box and a medicine distributing hopper; the storage box is arranged on one side of the vertical wall; the medicine distributing hopper is arranged at the bottom of the storage box and communicated with the interior; a medicine distributing pipe is arranged at the bottom of the medicine distributing hopper; the two ends of the placing rack are respectively arranged on the vertical walls and are horizontally arranged below the medicine distributing pipes; the medicine feeding device comprises an operating rod, a traction rope, a medicine feeding plate, a spring and a limiting sleeve; the medicine feeding plate is horizontally and slidably arranged on the top face of the containing frame. The medicine feeding plate is sleeved with the limiting sleeve; the spring surrounds the medicine feeding plate, one end of the spring is connected to the limiting sleeve, and the other end is connected to one end of the medicine feeding plate; one end of the operating lever is rotationally arranged on the operating table; one end of the traction rope is connected to one end of the medicine feeding plate, and the other end is connected to the operating rod. The problems that manual tablet assembling is low in efficiency and prone to making mistakes, medicines are prone to being polluted or damaged, and reliability and safety of the medicines are affected are solved.

This invention discloses a safe drug preparation and dissolving device, comprising an outer tube, a plunger, and a puncture needle. The outer tube includes a tube body with a receiving cavity and a puncture section extending from the front end of the tube body with an internal through hole. The plunger is slidably disposed within the outer tube body. The plunger body is an inner tube with a receiving cavity, and an elastic component is connected to the front end of the inner tube. The outer diameter of the elastic component is interference-fitted with the inner diameter of the outer tube body. The puncture needle is axially fixed in the inner cavity at the front end of the inner tube, with its rear section extending into the receiving cavity of the inner tube and its front section passing through the through hole of the puncture section of the outer tube, extending to the area near the opening end of the through hole. This invention prevents the drug solution from contacting outside air during preparation, thus avoiding drug contamination; it eliminates the potential harm of needlestick injuries to medical personnel, and the entire preparation process is safer, simpler, and more efficient.

The invention relates to a nursing device for insulin injection and a using method thereof, and belongs to the technical field of insulin injection nursing devices.The nursing device comprises a nursing box body, a perspective area, a box body cover, a disinfection box body, a sliding cover, a separation groove and a liquid pipe swing mechanism, the perspective area is located in front of the nursing box body, and the nursing box body is movably connected with one side of the box body cover on the upper portion; when a needle cylinder of the nursing device for insulin injection is rotationally fixed and an insulin injector is in contact with a needle cylinder, an infrared detector automatically induces to drive a motor and a driving gear to rotate, so that the tail end of the needle cylinder automatically rotates through a driven gear, and the needle cylinder and the insulin injector are automatically rotationally spliced; the device is simple in structure and convenient to use, manual rotating and tightening are not needed, manual operation steps are reduced, contact between the hand and the needle head is avoided, the possibility of liquid medicine pollution is reduced, tightness between equipment can be improved through automatic rotating and fixing, and the situations of loosening, liquid leakage and the like caused by uneven force during manual operation are avoided.

Presented herein are a robotic system that is configured for compounding and preparation of medications comprising non-hazardous drugs and a vented drug vial adapter. The robotic system comprises: a laminar flow cabinet; and at least one robotic arm. The vented drug vial adapter is designed to connect a drug vial to another component of a drug transfer system. The adapter comprises a hydrophobic filter that prevents passage of liquid while allowing air to pass through it and a vent hole to the atmosphere. The vent hole is located above the filter thereby allowing equalization of the internal pressure while preventing the drug from contaminating the atmosphere.

The utility model discloses a catheter sheath with a hemostasis valve, relates to the technical field of catheter sheaths, and solves the technical problems that at present, when medicine is injected, medicine liquid flows into a tee joint in advance, then medicine pollution is caused to the tee joint, and when a catheter sheath assembly is used, the catheter sheath assembly is prone to being collided, and use of the catheter sheath is affected. Comprising a protection box, a sheath tube is arranged in the protection box, one end of the sheath tube penetrates through the protection box and extends out of the protection box, a three-way valve and a hemostasis valve body are arranged in the protection box, a flow direction adjusting valve is arranged in the three-way valve, and a connecting tube is fixedly inserted between the three-way valve and the hemostasis valve body; the medical hemostasis valve has the advantages that medicine can be conveniently injected, the situation that medicine directly flows into the hemostasis valve body to affect use of the hemostasis valve body is avoided, the three-way valve and the hemostasis valve body are protected, and the problem that a sheath tube leaks due to collision in the use process is solved.

The invention discloses a macrocycle-derived cobalt-nickel-loaded nitrogen-doped carbon catalyst and a preparation method and application thereof, the catalyst is CoNi-CN, and the catalyst is prepared by calcining CB [7] / CoNi of a complex obtained by cucurbit [7] uril (CB [7]), cobalt salt and nickel salt at 500-900 DEG C in a protective atmosphere. The catalyst can effectively inhibit aggregation of cobalt and nickel metals. The CoNi-CN catalyst can be used for efficiently activating peroxymonosulfate and effectively removing antibiotics and anti-inflammatory drugs such as tetracycline, sulfamethoxazole and ciprofloxacin, is less in metal dissolution and high in removal efficiency, can be used for purifying organic matters, and has an application value of treating refractory organic matters, such as emergency treatment of water bodies polluted by the antibiotics and the anti-inflammatory drugs.

The invention provides a respiratory drug delivery system for the respiratory medicine department, and belongs to the field of drug delivery systems. Comprising a cover shell and a round shell, the round shell is fixedly connected to the front side wall of the cover shell, an air inlet pipe is fixedly connected to the center of the front side wall of the round shell, a main shaft is installed in the air inlet pipe, a plurality of paddles and fan blades are installed at the two ends of the main shaft respectively, and a plurality of medicament shells are evenly distributed and fixedly connected to the side wall of the round shell; an atomizing nozzle is installed on the side, located in the inner cavity of the round shell, of the medicament shell, and a first piston is arranged in the inner cavity of the medicament shell. A flat plate is pulled, the flat plate drives a vertical rod to move, the vertical rod drives a first piston to move in an inner cavity of a medicament shell, the air pressure of one side of the inner cavity of the medicament shell is reduced, at the moment, medicament is sucked into the medicament shell through a medicament inlet pipe, and the medicament filling amount can be controlled through a graduated scale on the vertical rod; pollution of the medicament in a tedious operation process is reduced, and medicament filling operation is facilitated.