33 results about "Glass Syringe" patented technology

The invention discloses a device and a method for measuring a high-temperature contact angle of viscous resin, and relates to the field of testing of physical properties of materials. In order to overcome the problems that the resin is difficult to absorb and drop due to high viscosity, the wiredrawing phenomenon is generated, the measurement is difficult and the like, a heating device is additionally arranged on the basis of a traditional contact angle tester, and a common glass injector is changed into a stainless steel injector, so that the measurement of the high-temperature contact angle is realized. According to the invention, by designing the sample preparation mode and changing the drop volume and the trigger mode, the contact angle between the resin and the fiber woven cloth can be accurately measured, and the wettability of the resin to the fiber woven cloth is better represented.

A glass syringe barrel is provided that has an at least partially conically shaped upper portion and a longitudinal axis. The glass syringe barrel has a top end through which a liquid can be ejected and a bottom end into which a plunger stopper can be pushed. The glass syringe barrel includes, in a direction from the top end to the bottom end, a cone, a shoulder region, and a body region. The shoulder region has and outer contour that has a concave and substantially circular arc-shaped area c1 with an outer radius r1. The outer contour of the glass syringe barrel in the shoulder region is defined by a certain minimum value the radius of curvature.

The invention belongs to the technical field of measurement of liquid absorption amount of conductive carbon black, and relates to a method for measuring liquid absorption amount of conductive carbon black, which comprises the following steps: (1) drying and cooling a carbon black powder sample; (2) soaking a cloth bag with hydrochloric acid, centrifuging and weighing; (3) weighing a dry sample, bagging and tying; (4) soaking the cloth bag in hydrochloric acid, centrifuging and weighing; and (5) re-centrifuging the cloth bag, then weighing until the mass difference between the two times is less than 0.01 g, and calculating the liquid absorption amount of the carbon black. According to the test method, the precision and the accuracy of the hydrochloric acid liquid absorption amount measurement result can be improved, the volume reading error can be avoided, the liquid loss in the use of the injector is reduced, and the result deviation is reduced; personal injury caused by damage of the glass injector can be reduced; instrument damage or operator injury possibly caused by using the weight can be avoided. A plurality of samples can be measured at the same time, and the next sample can be measured after one sample is completed according to an injector extrusion method, so that the test efficiency is improved.

The utility model discloses an extrusion type essential oil bottle which comprises a silica gel liquid outlet head, a glass injector, a glass piston, a lipstick tube middle bundle core and a packaging shell. When the essential oil bottle is used, high-density and viscous essential oil at room temperature can be completely extruded out by the glass injector and the glass piston which are in high-precision fit, so that the defects that a large number of dropper essential oil bottles and ball essential oil bottles are hung on the wall, remain and are difficult to take out are greatly reduced, and the benefits of consumers are maximized; by changing rod dipping smearing in the prior art into connection type silica gel head liquid outlet smearing, the contact area with an external pollution source possibly existing is greatly reduced, most of essential oil directly contacted with the whole body is high borosilicate and an extremely small part of silica gel, and both the high borosilicate and the silica gel have high chemical corrosion resistance. Therefore, the service life of the essential oil of the extrusion type essential oil bottle is prolonged within the period of validity, and benefits of consumers are protected again.

A glass syringe barrel is provided that has an at least partially conically shaped upper portion and a longitudinal axis. The glass syringe barrel has a top end through which a liquid can be ejected and a bottom end into which a plunger stopper can be pushed. The glass syringe barrel includes, in a direction from the top end to the bottom end, a cone, a shoulder region, and a body region. The shoulder region has and outer contour that has a concave and substantially circular arc-shaped area c1 with an outer radius r1. The outer contour of the glass syringe barrel in the shoulder region is defined by a certain value for r1.

The glass syringe barrel has an at least partially conical upper portion and has a longitudinal axis L barrel . A glass syringe barrel includes a top end through which a liquid can be ejected, and a bottom end into which a plunger stopper can be pushed. It also includes: (1) a tapered region having a first end and a second end, the first end corresponding to the top end of the glass syringe barrel, the tapered region having a length and an outer diameter at the second end; (2) a shoulder region having a first end and a second end, the first end being adjacent to the second end of the tapered region, the outer contour of the shoulder region including a concave and substantially arc-shaped region starting below the second end of the tapered region, the outer radius of which is r1, and a convex and substantially arc-shaped region starting above the second end of the shoulder region, the outer radius of which is r2; (3) a main body region having a first end and a second end, the first end being adjacent to the second end of the shoulder region, the second end corresponding to the bottom end of the glass syringe barrel, the main body region having an outer diameter and a glass thickness; in the shoulder region, the outer contour of the glass syringe barrel is defined by a certain value of r1.

A method is used to manufacture a prefilled glass syringe containing a sterile pharmaceutical composition of rocuronium bromide. The prefilled syringe containing the sterile pharmaceutical composition of rocuronium bromide can be part of a kit. The sterile pharmaceutical composition of rocuronium bromide can include at least one stabilizer, a buffer system, a tonicity agent, and water. Prefilled syringes containing the sterile pharmaceutical composition of rocuronium bromide can be storage-stable for extended periods of time at room temperature.

The invention relates to boroaluminosilicate glass with excellent visual appearance and a method for producing the glass. The invention also relates to the use of such a glass, in particular for pharmaceutical packaging, for example for pharmaceutical containers such as glass vials, glass ampoules, glass cartridges or glass syringes or the like.

The present invention relates to a prefilled glass container, such as a prefilled glass syringe, comprising an aqueous botulinum toxin formulation. The aqueous botulinum toxin formulation in the prefilled container is stable at low to ambient temperature for a prolonged time period. Furthermore, the present invention relates to a kit comprising the botulinum toxin prefilled container, and to the use of the botulinum toxin prefilled container in therapeutic and cosmetic applications.

The present invention relates a botulinum toxin prefilled syringe system with desirable injection force characteristics, in particular low gliding force and low break loose force, comprising a syringe barrel of glass containing a liquid botulinum toxin composition, a plunger stopper and a closure device such as a tip cap or a needle shield. In addition, the present invention relates to a kit comprising the botulinum toxin prefilled syringe system, and optionally instructions for use, and to the use of the botulinum toxin prefilled syringe system in therapeutic and cosmetic applications.

The disclosure provides a glass syringe or a glass cartridge, for parenterally administering, containing a lipid-based pre-formulation suitable for refrigerated storage, wherein the lipid-based pre-formulation includes 20-80 wt % of a diacyl glycerol having a fatty acid composition of at least 98% oleic acid (18:1), as determined in accordance with method C, 2.4.22 (Composition of fatty acids by gas chromatography), European Pharmacopoeia 9.0; 20-80 wt % of a phospholipid; 1-30 wt % of a solvent; and a bioactive agent.

The utility model relates to the technical field of industrial dispensing, in particular to an anti-blocking Luer head glass injector which comprises an injection tube, a fixed disc which is arranged in the injection tube and is tightly attached to the inner wall of the injection tube, a piston which is tightly attached to the inner wall of the injection tube is fixed at the bottom end of the fixed disc, and a piston rod is coaxially fixed on the top surface of the fixed disc. The glue outlet pipe can be heated by arranging the limiting ring, the heating cylinder and a plurality of heating rods, so that hot melt glue passing through the glue outlet pipe can be heated, the hot melt glue is prevented from being solidified in the conveying process, the blocking condition during glue dispensing is further prevented, and the glue dispensing efficiency is improved. The limiting ring, the heating cylinder and the heating rods can be limited by arranging the two limiting mechanisms, so that the limiting ring, the heating cylinder and the heating rods can be conveniently installed, the heating rods can be conveniently detached, overhauled or replaced, and the practicability of the whole injector is higher.

The application discloses a kind of solidification methods of glass syringe scale line.The method first mixes lead-free low-melting glass powder, inorganic pigment and organic carrier to make glaze;Then the glass syringe barrel is cleaned and surface activation pretreatment;Next, the glaze is accurately printed on the surface of the barrel to form a scale pattern by silk screen printing;Finally, it is sintered in stages, including low-temperature drying, degassing, high-temperature melting and slow cooling stages, so that the glaze and the glass matrix are fused to form a permanent scale.The application also relates to a glass syringe made by the method.The scale line prepared by the method has excellent properties such as strong adhesion, wear resistance, chemical corrosion resistance and high-pressure sterilization, and the process is environmentally friendly and efficient, suitable for automated production.

The invention relates to the technical field of medical apparatuses and instruments, in particular to medical apparatus and instrument cleaning equipment and a method thereof.The lifting mechanism comprises a descending assembly arranged at the top of a soaking box, and a mounting part is arranged at the bottom of the descending assembly; and the turbulent flow mechanism comprises a lifting assembly arranged on the inner side of the soaking box body, a rotating component is arranged at the top of the lifting assembly, and aiming at medical instruments (such as multiple holes and pipe cavities) which are difficult to clean, a rotating plate moves in a second rotating groove, so that the medical instruments can be cleaned conveniently. The stirring centrifugal force can be enhanced, the impact of water flow, the downward movement of the bearing frame, the rotating turbulence in the direction of the rotating plate and the like can be enhanced, stubborn pollutants hidden in gaps and inner cavities can be removed, and medical instruments (such as glass syringes and endoscope components) which are easy to clean can be cleaned. The bearing frame and the rotating plate rotate in the same direction, the medical instruments which are easy to clean are cleaned through stirred water flow, and the medical instrument cleaning device is suitable for cleaning diversified medical instruments.

Ammonium sulfate treated prefilled syringes, and kits that include an ammonium sulfate treated prefilled syringe and a pharmaceutical composition comprising an aluminum-sensitive active agent, are described herein. Treating the inner surface of a glass syringe barrel with ammonium sulfate prior to filling the syringe with a desired aqueous diluent, such as water for injection, can limit the amount of aluminum that leach into the aqueous diluent during storage.

The disclosure provides a glass syringe or a glass cartridge, for parenterally administering, containing a lipid-based pre-formulation suitable for refrigerated storage, wherein the lipid-based pre-formulation includes 20-80 wt % of a diacyl glycerol having a fatty acid composition of at least 98% oleic acid (18:1), as determined in accordance with method C, 2.4.22 (Composition of fatty acids by gas chromatography), European Pharmacopoeia 9.0; 20-80 wt % of a phospholipid; 1-30 wt % of a solvent; and a bioactive agent.

A medical glass syringe includes a glass barrel and a needle. The glass barrel includes a needle hub, the needle is fixed in the needle hub with a first adhesive, and the exit end of the needle hub is provided with a second adhesive. A method of treating a medical glass syringe includes curing the first and second adhesives with radiation

The application discloses a method for detecting ammonia-nitrogen content of waste sulfuric acid in a sulfuric acid method titanium white production process, and ammonia-nitrogen distillation equipment is composed of an electromagnetic stirring heater, a multi-mouth flask, a constant-pressure funnel (with a plug), a distillation condenser, a distillate pipe, a liquid receiving bottle, a micro-needle sampler and a glass syringe. 4+ , Fe 3+ ; after the iron powder is dissolved, sodium citrate is added; NaOH solution is added dropwise into the system until the pH value is 8-9; the heating intensity is controlled, and the mixed system is distilled to near dryness; pure water is injected into the flask through the rubber plug by using the glass syringe, and the ammonia-nitrogen is continuously released by repeated distillation; the ammonia-nitrogen gas and the distillate are absorbed by the absorption liquid; the distillate is neutralized to pH=6-8 and constant volume, the ammonia-nitrogen concentration in the absorption liquid is determined by using the Nessler reagent spectrophotometry, and the ammonia-nitrogen concentration in the waste acid is calculated. The application can simply and efficiently realize complete ammonia-nitrogen distillation release of the waste acid and avoid the interference of various impurities in the waste acid on the ammonia-nitrogen determination.

The utility model discloses a kind of chemotherapy pump auxiliary dosing devices, belong to medical instrument technical field, the utility model includes device ontology, the device ontology one end is equipped with chemotherapy pump connector for being connected with the liquid-adding port of chemotherapy pump, so that it can be fixed on chemotherapy pump, another end of the device ontology is equipped with dosing port, so that the nipple of its syringe can be inserted into dosing port and carry out dosing operation, by the present application, the probability of the nipple of glass syringe breaking during use can be greatly reduced, to reduce the additional cleaning time caused by the nipple of syringe breaking and improve the problem of work difficulty, to improve work efficiency, so that medical staff can be more focused on the treatment and nursing of patient and avoid expensive liquid waste, reduce the economic burden of hospital and patient, to further improve the economic efficiency of drug use.

Provided herein is a method for manufacturing a staked needle syringe. The method includes providing a glass syringe barrel having a cylindrical main body and a tip positioned at a distal end of the cylindrical main body, applying a silicone-based emulsion onto a least a portion of an inner surface of the glass syringe barrel via a lubricant applicator, annealing the silicon lubricant in a baking oven, to form a baked silicone coating on the glass syringe barrel and, subsequent to annealing of the silicon lubricant, securing a needle directly into the tip of the glass syringe barrel.

The present disclosure provides a glass syringe or barrel containing a lipid-based pre-formulation suitable for refrigerated storage.

The glass syringe barrel has an at least partially conical upper portion and a longitudinal axis. The glass syringe barrel includes a top end through which liquid can be ejected and a bottom end into which a plunger stopper can be pushed. The glass syringe barrel also includes (1) a tapered region having a first end and a second end, the first end corresponding to the top end of the glass syringe barrel, the tapered region having a length and an outer diameter at the second end; (2) a shoulder region having a first end and a second end, the first end being adjacent to the second end of the tapered region, the outer contour of the shoulder region including a concave and substantially arc-shaped region starting below the second end of the tapered region, the outer radius of which is r1, and a convex and substantially arc-shaped region starting above the second end of the shoulder region, the outer radius of which is r2; (3) a main body region having a first end and a second end, the first end being adjacent to the second end of the shoulder region, the second end corresponding to the bottom end of the glass syringe barrel, the main body region having an outer diameter and a glass thickness; the outer contour of the glass syringe barrel in the shoulder region is defined by a certain minimum value of the radius of curvature.

A process for forming a glass syringe body in which a portion of a glass tube is heated to form a heated portion, and the heated portion is manipulated using a forming tool to change the shape of the heated portion. The portion of the glass tube is heated by direct impingement by a flame of a combustion burner, the combustion burner is supplied with hydrogen gas (H2) as a fuel and oxygen gas as an oxidant (O2), and the ratio of hydrogen gas to oxygen gas (H2 / O2) is 2.6-8.9. Also, a production line for the inventive process including at least one combustion burner, at least one forming tool, a conveyer for conveying the glass tube through the production line, a supply of hydrogen gas and oxygen gas to the at least one combustion burner, and an exhaust positioned at least above the at least the combustion burner.

The present invention relates to a method of removing metal-containing contaminants from a surface of a glass syringe comprising contacting the surface of the glass syringe with a water treatment medium comprising fluoride ions, at least one acid, or both. The metal-containing contaminant is coupled to a surface of the glass syringe and is present on the surface at a concentration greater than or equal to 50 ppb prior to contact with the water treatment medium, and contacting the water treatment medium with the surface for a period of contact time reduces the concentration of the metal-containing contaminants on the surface of the glass syringe by greater than or equal to 50%. A method of manufacturing a glass syringe may include forming a glass syringe having at least a barrel and a syringe head and then removing metal-containing contaminants from a surface thereof by contact with a water treatment medium.

1. The name of the design product: self-destroying anti-theft luer lock. 2. The use of the design product: locking device configured on the glass syringe of the syringe, which can effectively prevent accidental disconnection or leakage, and has the function of self-destroying anti-theft. 3. The design points of the design product: shape. 4. The picture or photo that best shows the design points: perspective view.

The invention discloses a device and method for removing plastic particles of a glass injector for insulating oil detection, and relates to the technical field of insulating oil detection.The device comprises a flushing assembly, a plastic particle collecting assembly and an alarm device; the flushing assembly comprises an air storage tank, a pressure reducing valve, an injector inner flushing module, a flushing gas pulse valve and an injector fixing module; the plastic particle collecting assembly comprises a plastic particle recycling pipeline, the gas conveying pump and a plastic particle storage tank. The alarm device comprises a plastic particle storage tank inner capacity alarm module and the gas leakage sensing probe. According to the device for removing the plastic particles, the plastic particles in the glass injector fall off through a removal method, the traditional manual removal time is shortened, the injector is not prone to being damaged, the risk that detection personnel are cut is also avoided, and dangerous factors are reduced in the detection process.

This invention discloses an online monitoring device for dissolved gases in chromatographic transformer oil, comprising a protective box, a glass syringe, and a rubber stopper installed at the bottom of the glass syringe. An installation port is provided at the top of the protective box near the rear side. The bottom of the glass syringe passes through the installation port and extends into the inner cavity of the protective box. The inner cavity of the protective box has two clamping mechanisms arranged symmetrically, one above the other. A bottom plate is located near the bottom of the inner cavity. This invention, through the cooperation of components such as a fixed motor, a first fixing component, a second fixing component, a sector toothed plate, a vibrating gear, a third fixing component, a rotating plate, a bottom plate, a horizontal plate, a movable plate, a clamping plate, and a moving plate, integrates the traditional mechanical oscillation degassing process in the laboratory into the oil sample transportation process. This achieves a leap in detection efficiency and optimizes labor costs, while avoiding gas escape or oxidation caused by prolonged storage.

Ammonium sulfate-treated pre-filled syringes and kits containing ammonium sulfate-treated pre-filled syringes and pharmaceutical compositions containing aluminum-sensitive active agents are described. Treating the interior surface of a glass syringe barrel with ammonium sulfate prior to filling the syringe with a desired aqueous diluent, such as water for injection, can limit the amount of aluminum that leaches into the aqueous diluent during storage.

Pre-filled syringes, pharmaceutical compositions, and kits and methods relating to same allow for emergency administration of one or more drugs from prefilled glass syringes to a patient via a needleless connector. In preferred embodiments, the prefilled glass syringe has a drug volume of at least 5 mL, has a Luer-lock, and has a syringe tip with an internal channel that has a diameter of about 1.7 mm. Such syringes advantageously allow storage of emergency drugs without leaching of plastic materials and degradation, and substantially improve the safety profile where the syringe is attached to an IV line via a needleless connector.