240 results about "Syringe needle" patented technology

The present invention provides an excitation assembly for a pre-filled automatic injection pen and a pre-filled automatic injection pen. The excitation assembly of the pre-filled automatic injection pen comprises a support frame fixed in a housing and configured for limiting initial positions of a push rod, a spring buckle, and a protective sleeve at the initial time; the push rod, installed in the support frame, positioned by the support frame at the initial time, and driven by an excitation spring to drive a pre-filling injection syringe to move after the protective sleeve is triggered, so as to complete the automatic injection; the protective sleeve, installed outside the support frame, buckled outside the support frame at the initial time, and driven by an excitation sleeve to move, so as to trigger the push rod and prevent the excitation sleeve from moving backwards after the movement to protect a syringe needle; the excitation spring, installed inside the push rod and configured for, after being triggered, providing an ejection force for the push rod and providing an ejection force for the spring buckle after the push rod is detached from the spring buckle; and the spring buckle, installed between the support frame and the push rod and driven by the excitation spring to eject and impact a rear cover so as to make a sound after the injection is finished.

The invention discloses a laboratory mouse temporomandibular joint cavity injection method and device based on ultrasonic guidance, and relates to the technical field of laboratory mouse experiments.The device comprises a supporting column, a first cantilever arranged on the supporting column, an external auditory canal positioning piece arranged on the first cantilever, and a second cantilever arranged on the first cantilever in a sliding mode, the second cantilever can rotate around the end, close to the first cantilever, of the second cantilever, and the second cantilever is used for being parallel to the orbital ear plane of the laboratory mouse; the carrying mechanism is arranged on the second cantilever in a sliding mode, and the carrying mechanism is used for driving the ultrasonic probe and the injector to move to the position of the articular cavity. Injection of the joint cavity of the laboratory mouse is guided based on the image collected by the ultrasonic probe, the needle inserting position, angle and depth of the injector can be observed and adjusted in real time, and compared with blind puncture in the prior art, the success rate of injection can be greatly increased, the number of times of puncture attempts can be reduced, and meanwhile the uniformity of laboratory mouse samples is effectively improved.

A safety mechanism syringe includes a syringe, a needle, a holder, and a needle cover displaceable relatively with respect to the syringe along an axial direction of the syringe from a use position toward a protection position. The holder includes a locking portion. At least one member of the holder and the needle cover includes a protruding portion that protrudes toward the other member, and the other member includes a restriction portion that abuts on the protruding portion to restrict relative displacement of the needle cover with respect to the syringe along the axial direction of the syringe from the protection position toward the use position.

The invention discloses an ultrasonic positioning intelligent guide puncture device and a using method thereof, and relates to the technical field of medical instruments. Comprising a probe clamp used for fixing an ultrasonic probe; the vasoreceptor is arranged at the position attached to the ultrasonic probe; scales are marked on the surface of the slideway, and the left end of the slideway is connected with the probe clamp; the needle feeding frame is arranged above the slide way and is used for placing a syringe needle; the bottom of the telescopic sliding support is connected with the slideway and can slide on the slideway, and an injector needle cylinder is placed on the top of the telescopic sliding support and used for adjusting the optimal angle of an injector; the intelligent liquid crystal display is used for displaying relative positions of the detection needle and the blood vessel. Accurate locking of the needle inserting angle and position can be achieved, the puncture operation gets rid of dependence on clinical experience, the working efficiency is remarkably improved, and meanwhile the puncture success rate is effectively increased.

The utility model belongs to the field of medical instrument manufacturing, and particularly relates to a fixing device for disposable syringe needle machining, which comprises a device body, a door plate, a scrap suction cover, a rotating seat and a heat dissipation window are arranged on the device body, a scrap collecting cavity and a cavity are arranged in the device body, a scrap collecting box for collecting powdered scraps is placed in the scrap collecting cavity, and the rotating seat is arranged in the cavity. A cavity is formed in the device body, a fan is arranged in the cavity, a filter plate is arranged at the communicating position of the cavity and the scrap collecting cavity, the scrap suction cover communicates with the scrap collecting cavity through a scrap suction pipe and is located on the device body below the front end of the rotating base, a needle groove is formed in the rotating base and used for containing a needle head, and a supporting column is arranged on the rotating base and used for supporting the needle head. A lifting groove is formed in the supporting column, an electric lifting rod is arranged in the supporting column, and the output end of the electric lifting rod is connected with the pressing plate, powdered scraps generated in the machining process of the disposable syringe needle can be sucked and collected, and pollution to the working environment and the needle can be effectively reduced.

The invention discloses a needle head cleaning device and method.The needle head cleaning device comprises a first driving assembly, a brushing assembly, a needle head storage box and a soaking groove, needle heads are placed in the needle head storage box, the needle head storage box is installed on the first driving assembly, the brushing assembly is arranged above the needle head storage box, and the soaking groove is formed in the first driving assembly; the soaking tank is arranged below the syringe needle storage box, the first driving assembly drives the syringe needle storage box to move downwards into the soaking tank, so that pure water soaking or enzyme liquid soaking is conducted in the soaking tank, and the first driving assembly drives the syringe needle storage box to move upwards to make contact with the scrubbing assembly; and the brushing assembly is used for brushing needles in the needle storage box. According to the needle head cleaning device, a large number of needle heads can be automatically cleaned at a time, and the consistency of cleaning standards is guaranteed.

The utility model relates to the technical field of syringe needle production, in particular to a waste syringe needle recovery device for syringe needle production, which comprises a recovery box, a protection bin arranged in the recovery box, a protection plate arranged in the protection bin, a spraying structure arranged in the protection bin, and a driving structure arranged on the recovery box. A fixing structure used for limiting and fixing the protection bin is arranged on the recycling box, the spraying structure comprises a liquid storage box fixedly connected to the vertical inner wall of the protection bin, a plurality of spraying heads fixedly penetrate through the liquid storage box, a liquid inlet pipe fixedly penetrates through the top of the liquid storage box, and a pair of connecting lugs are fixedly connected to the liquid storage box; the connecting lugs and the protective bin are in threaded connection with the same dismounting bolt. Compared with needle recovery in the prior art, the needle recovery device has the advantages that due to the arrangement of the driving structure and other components, other articles are prevented from accidentally falling into the recovery box and being difficult to take out, and the risk that irrelevant personnel are injured due to touching waste needles is effectively avoided.

The invention relates to the field of injection devices, in particular to a device for hiding and protecting a syringe needle and a syringe, the device comprises an outer cylinder, a protective cylinder, a rotating ring, a pressing ring, an elastic element, an inner cylinder, an injection element and a push rod; the rotating ring, the pressing ring and the inner cylinder are sequentially arranged at one end of the protective cylinder; the pressing ring abuts against the rotating ring to drive the rotating ring to rotate, and then the protection barrel moves along a sliding restraining groove in the inner side of the rotating ring. The elastic element realizes resetting of the protective cylinder; the injection element penetrates through the inner cylinder, the pressing ring and the rotating ring and then extends into the protection cylinder, and the push rod is connected with the injection element. The push rod drives the pressing ring to press downwards so that the rotating ring can rotate relative to the protection barrel, and then the protection barrel can slide axially and rotate relatively along the restraining groove in the rotating ring under the action of the elastic element till locking is triggered. In the process, the needle head is hidden in the protection cylinder, psychological influence on a patient is weakened, the needle head is effectively protected, and secondary use of the syringe and stabbing of other people by mistake can be avoided by locking the needle head.

The utility model discloses a stem cell injection anti-pollution device, comprising a syringe, a culture dish bottom support, and a culture dish top cover, wherein a sterile rubber sleeve is arranged at one end of the syringe and outside one end of the syringe needle, a connecting groove ring is fixedly arranged on the side wall of the syringe, and the side wall of the connecting groove ring is provided with card slots at equal distances, a protective cover is arranged inside the connecting groove ring, and a movable cover of the protective cover is arranged on the outside of the sterile rubber sleeve, a plurality of card blocks which are connected to the card slot limit position engagement are arranged at equal distances on the side wall of the bottom end of the protective cover, a plurality of springs are arranged at equal distances on the inner bottom wall of the connecting groove ring, and a blocking piece is commonly connected to the top ends of the plurality of springs, and the arrangement of the structure can shield and protect the sterile rubber sleeve by a quickly detachable protective cover, thereby avoiding the rupture of the sterile rubber sleeve.

A syringe needle hub separation device according to one embodiment of the present invention comprises: a syringe insertion container having a cylindrical hole therein and into which a syringe is inserted through the hole; a rotation driving unit for rotating the syringe insertion container around a horizontal rotation shaft at a lower end of the syringe insertion container; a base to which the rotation driving unit is fixed; and a needle hub separation part fixed to the base at a lower portion of the syringe insertion container and having an elongated groove inserted between a needle hub of the syringe and a connection part of the syringe to which the needle hub is coupled. As the syringe insertion container rotates, the elongated groove of the needle hub separation part is inserted between the needle hub and the connection part to separate the needle hub and the connection part from each other.

The utility model discloses a drainage bag convenient to collect drainage liquid and not easy to fall off at the liquid outlet end, which comprises a main body unit and a positioning unit, the main body unit comprises a drainage bag body, the top of the drainage bag body is fixed and communicated with a drainage tube, and the drainage tube is fixed and communicated with a shunt tube. The rubber plug is pulled out from the discharge tube by shifting, so that liquid in the drainage bag body can be discharged from the discharge tube, the mode is more convenient, force cannot be applied to the drainage bag body, the drainage bag body is prevented from falling off, and when a drainage liquid sample needs to be reserved for corresponding detection, the drainage tube is blocked by using the second adjusting valve firstly, and then the drainage tube is blocked by using the second adjusting valve. When the sampling device is used, the syringe head is inserted into the syringe head sleeve, then the first adjusting valve is opened, drainage liquid flows into the syringe through the drainage tube and the flow dividing tube, and therefore sampling is completed, compared with an existing mode that a syringe needle is used for puncturing the drainage tube, the mode is safer, damage to the drainage tube is avoided, and follow-up use of the drainage tube is not affected.

The utility model relates to the technical field of electronic injector needles, in particular to an electronic injector needle convenient to connect, which comprises a needle cylinder and a driving mechanism, a piston is arranged in the needle cylinder, a push rod is fixedly connected to the right end of the piston, the left end of the needle cylinder is communicated with a connector, the outer wall of the connector is sleeved with a needle seat, and the left end of the needle seat is communicated with a needle body. The inner wall of the needle seat is fixedly connected with an annular ring; the twisting block is rotated, so that the spherical limiting block enters the groove and upwards extrudes the pressed plate, the needle base and the needle head can be prevented from moving leftwards, due to the arrangement of the annular sealing gasket, the purposes of preventing liquid medicine from leaking and preventing the needle base from being separated are achieved, and the twisting block is reversely rotated to enable the spherical limiting block to be rapidly separated from the interior of the groove. And the connector is in clearance fit with the inner wall of the needle seat, so that the needle seat and the needle head can be easily taken down, and the purpose of avoiding injury to an operator and other personnel when the needle head and the needle seat are pulled out is further achieved.

The veterinary injection needle dismounting device is composed of a needle bottle (1), a needle bottle cap (2) and a needle dismounting clamp (3), the needle bottle (1) and the needle bottle cap (2) are connected together through a needle bottle thread (7) and a bottle cap thread (8), and the needle dismounting clamp (3) clamps a needle seat part of a veterinary injection needle (5). A needle tip and a needle tube at the front end of the veterinary injection needle (5) enter the needle head bottle (1) through the acute angle notch (4) of the needle head bottle cap (2) and are suspended on the upper portion, the injector (6) is separated from the veterinary injection needle (5), the needle detaching forceps (3) are loosened, the veterinary injection needle (5) falls into the needle head bottle (5) through gravity, and veterinary workers can independently operate injection and complete the work of detaching and collecting the veterinary injection needle (6). A large amount of labor cost is saved, the epidemic prevention treatment quality is improved, and animal epidemic disease transmission is reduced.

The sample vaporization chamber (1) for a gas chromatograph has a housing (2) with a built-in heater (12). An opening (18) sealed by a septum (20) is provided on the upper surface of the housing (2). The sample injected into the internal space (3) of the housing (2) by a syringe needle that penetrates the septum (20) and is inserted into the internal space (3) of the housing (2) through the opening (18) is heated by the heater (12) and vaporized to generate sample gas. The sample vaporization chamber has a cylindrical liner (16) at least at the lower end. The inner or outer circumferential surface is provided with a first thread (26); and a liner fixing part (4) is provided in the internal space (3) of the housing (2) and has a second thread that is threadedly engaged with the first thread (26) of the liner (16), for fixing the liner (16) in the state of being housed in the internal space (3) of the housing (2) by threading the first thread (26) of the liner (16) inserted from the opening (18) into the internal space (3) with the second thread.

The present invention relates to the technical field of container separation operations, and specifically to a sharp container with a sharp separation function and its usage method. Through the settings of a separation component, a cutting component, and a sensor, the present invention can automatically separate and remove the syringe needle and the infusion tube needle. The entire separation process avoids the contact between the hands of medical staff and the needle, thereby preventing the situation where the needle punctures the hands of medical staff. At the same time, it facilitates the medical staff to put items into the sharp container. Meanwhile, the feeding hopper expands the feeding area for glassware such as ampoules, and the splash-proof layer effectively avoids the situation where the ampoule breaks and splashes when the ampoule is put in. Through the setting of the auxiliary clamp, after the medical staff places the syringe with the needle, the syringe barrel is clamped by the auxiliary clamp, thus liberating the hands of the medical staff and achieving the purpose of automatically separating and removing the syringe needle, making the removal of the syringe needle more convenient.

The present invention discloses a micro-syringe needle washer based on a crank-rocker mechanism and a flexible fixture, belonging to the technical field of medical testing equipment. It includes a housing, a driving component is arranged inside the housing, and a cleaning component is connected to the outer wall of the housing. The cleaning component includes a transmission mechanism, an extrusion mechanism, a micro-syringe needle, a syringe needle fixture, a cleaning solvent bottle, and a cleaning solvent bottle fixture. One end of the transmission mechanism is connected to the driving component, and the other end of the transmission mechanism is fixed to the outer wall of the housing. The end of the transmission mechanism fixed to the outer wall of the housing is connected to the extrusion mechanism. The outer wall of the housing is also fixedly connected with a syringe needle fixture and a cleaning solvent bottle fixture. A micro-syringe needle is arranged on the syringe needle fixture, the extrusion mechanism is connected to the top of the micro-syringe needle, and a cleaning solvent bottle is arranged on the cleaning solvent bottle fixture. The present invention is provided with a driving component and a cleaning component, and the cleaning is more convenient and fast under the mutual cooperation of the driving component and the cleaning component, which can reduce the consumption of manpower and material resources.

This invention relates to the field of organic photovoltaic cell technology, and particularly to a low-melting-point alloy top electrode, its preparation method, and its application. The preparation method of the low-melting-point alloy top electrode includes the following steps: heating and melting a low-melting-point alloy, adding it to a syringe equipped with a heating head, and using a temperature control system to control the heating head on the syringe to maintain the low-melting-point alloy in a liquid state; controlling printing parameters so that the liquid low-melting-point alloy is pulled out from the syringe needle by shear force and printed onto a substrate; and cooling to obtain the low-melting-point alloy top electrode. This invention uses a solid low-melting-point alloy as raw material and employs fused deposition modeling to prepare a low-temperature alloy top electrode as the top electrode for organic photovoltaic cells. Its electrode film thickness is controllable, enabling the preparation of alloy films with a thickness of less than 100 μm, thereby saving materials and costs; it also exhibits good repeatability, low printing cost, and is suitable for the preparation of large-area battery modules.

The present invention discloses a mouse tail vein injection model, comprising: a mouse model, a cavity is formed in the abdomen of the mouse model, and an installation chamber is formed above the rear side of the cavity; a water flow alarm, the water flow alarm is arranged at the front end of the mouse model's tail, a water outlet pipe is connected to the front end of the water flow alarm, a water inlet pipe is connected to the rear end of the water flow alarm, and a sealing piece is arranged at the connection between the water inlet pipe and the water flow alarm, the rear end of the water inlet pipe is connected with a connector; a groove, the groove is formed on the outer side of the mouse model's tail, and a blood vessel simulation tube is arranged inside the groove. This mouse tail vein injection model is convenient for simulating the blood vessels on the left, right, up and down of the mouse tail. When the syringe needle is inserted into the blood vessel simulation tube, an alarm is triggered through the detection of the water flow alarm to indicate the completion of the injection. The water flowing into the cavity can be discharged by opening the drain hole, which is convenient to use.

The utility model discloses a guide mechanism for a syringe needle. The guide mechanism comprises a base; the first guide piece is provided with a first guide hole penetrating in the Z-axis direction, and the first guide piece can move in the X-axis direction relative to the base; the second guide piece is provided with a second guide hole penetrating in the Z-axis direction, the second guide piece can move relative to the base in the X-axis direction, and the projection of the second guide hole and the projection of the first guide hole in the Z-axis direction are at least partially overlapped. The area of the overlapped region is gradually changed along with the synchronous reverse movement of the first guide sheet and the second guide sheet relative to the base along the X-axis direction; wherein the first guide hole and the second guide hole can be used for sequentially inserting syringe needles and are overlapped with each other to centralize the syringe needles. The utility model further discloses a sampling instrument. The guide mechanism can be used for centralizing and guiding the syringe needle, and is high in reliability.

The utility model discloses a device for preventing puncture of an empty needle head, which belongs to the technical field of needle head protection devices and comprises an injector, an injector needle head, a needle head protection cap and an auxiliary protection device, the injector needle head is sleeved on the injector, the needle head protection cap is sleeved on the injector needle head, and the auxiliary protection device is arranged on the injector needle head. The auxiliary protection device comprises a supporting block, a protection cover, a protection ring, a limiting protruding block and a limiting frame, after a medical worker uses an injector for treatment, the needle head of the injector can be covered and wrapped through the auxiliary protection device, and the puncture risk caused by the fact that the medical worker makes contact with the needle head accidentally is prevented; according to the syringe needle protective cap, medical workers are prevented from being punctured in the operation processes of medical waste arrangement, syringe transfer and the like, the medical workers can conveniently sleeve the syringe needle with the syringe needle protective cap, and the medical workers can be prevented from being punctured in the sleeving process of the syringe needle protective cap.

The utility model relates to a zero-friction folding intraocular lens injector, which belongs to the technical field of injectors and comprises a first injection cylinder, a second injection cylinder is hinged to the left side of the first injection cylinder through a hinge, and a folding clamp is fixed to the left side of the second injection cylinder. A folding assembly used for achieving folding is arranged in the first pushing and injecting cylinder, a pushing and injecting needle tube is fixed to the left side of a folding clamp, a push rod is slidably connected into the first pushing and injecting cylinder, and a sliding assembly used for making sliding more convenient is arranged in the first pushing and injecting cylinder. According to the zero-friction folding type intraocular lens injector, the intraocular lens injector can be effectively folded, so that follow-up medical staff can conveniently store the intraocular lens injector, friction generated during injection of the intraocular lens injector can be effectively reduced, the medical staff can have better use experience, and the use experience of the medical staff is improved. And the practicability of the zero-friction folding type intraocular lens injector is improved.

1. The name of the design product: syringe accessory. 2. The use of the design product: as a syringe accessory for syringe needle isolation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to the technical field of deciduous tooth root canal treatment, in particular to a flushing auxiliary instrument for deciduous tooth root canal treatment, which comprises an injection needle body, a cylinder is arranged at the mounting end of the injection needle body, external threads are arranged on the outer surface of the cylinder, and a plug is arranged in the cylinder. The interior of the plug is of a hollow structure and is installed on the inner wall of the injection needle body in a communicated mode, the injection end of the injection needle body is arranged to be an oval pointed end, a plurality of flushing holes are evenly formed in the outer side wall of the oval pointed end, and the installation end of the injection needle body is installed on an externally-connected injector body. According to the utility model, the resistance mood of children can be avoided, a threaded retention syringe or a pluggable retention syringe can be selected according to clinical practice, and meanwhile, the bending angle of the syringe needle body can be adjusted according to different orientations of the root canals of the deciduous molar teeth for pre-bending, so that the flushing efficiency of the root canals in different orientations under non-direct vision is improved.

The utility model discloses a syringe needle, which comprises a needle body and a needle seat which are communicated with each other, and is characterized in that the needle seat comprises a head part, a body part and a tail part which are sequentially and coaxially arranged, an accommodating groove is formed in the tail part, a connecting column is convexly arranged at the bottom of the accommodating groove, and the connecting column is connected with the head part of the needle body. An inserting hole penetrating through the head part, the body part and the tail part is formed in the needle seat, and the needle body sequentially penetrates through the head part and the body part through the inserting hole to enter the connecting column. The connecting column structure of the needle seat can be reversely inserted into the needle cylinder for communication, so that the residue of liquid medicine is greatly reduced, the residue-free effect can be generally realized, the waste is reduced, and the environmental pollution is avoided.

Embodiments disclose a disposable protective assembly apparatus for a dental syringe body of a dental syringe. The apparatus is a combination of a disposable syringe tip and a disposable protective sleeve, the sleeve being pre-attached to the syringe tip, and the sleeve being in a pre-folded position to be quickly and easily slid over the dental syringe prior to a dental operation.

The application discloses a syringe with a function of preventing puncture, and relates to the technical field of medical devices.The syringe comprises a syringe barrel, a syringe needle fixedly installed at one end of the syringe barrel, and a syringe piston rod slidably installed in the syringe barrel; the syringe further comprises a protection assembly arranged outside the syringe barrel, wherein the protection assembly comprises a connecting sleeve attached to the outer wall of the syringe barrel, a protection sleeve fixedly connected to one end of the connecting sleeve, and a protection head fixedly connected to the outer surface of the other end of the protection sleeve away from the connecting sleeve; the connecting sleeve and the protection sleeve are arranged to form a rigid protection outside the syringe, and the rigid shell can effectively prevent medical staff or patients from directly contacting the needle area, thereby reducing the risk of puncture caused by accidental contact (especially in emergency operations or when the line of sight is blocked); in addition, in field first aid or disaster sites, the reinforcing structure can resist the damage of falling impact, low-temperature brittle fracture and other harsh conditions to the traditional plastic shell.

The invention provides a novel hyaluronic acid injection device with a reasonable structure, and hyaluronic acid can be stably and safely injected. The injector can be divided into three parts, the front end is a needle head and needle cylinder connecting part, the middle part is an injector needle cylinder main body, the tail end is an injector push rod, and the three parts are all improved and innovated. A connecting part of a needle head and a needle cylinder at the front end of the syringe is designed into a spiral buckle type, and a medical needle head with a standard specification and size is spirally screwed into the connecting part when the syringe is used, so that the design of a single buckle of a traditional syringe is optimized, and the situation that the needle is broken due to overlarge pressure in the injection process is reduced; the design of the syringe needle cylinder main body is characterized in that the finger fixer at the tail end is provided with the front end and the rear end, so that the indicating finger and the middle finger of an operator can be stably fixed, and the stability and the accuracy in the injection process are improved; a finger fixer is also designed at the tail part of the syringe push rod, and the fixer is in a hollow cuboid design, so that the thumb can be fixed, and the hyaluronic acid can be injected and withdrawn by a single hand.

A delivery device comprises a first syringe, a second syringe, a needle or a tube, and a Y-connector that includes at least one access port.

The invention discloses a hospital ampoule medicament dispensing machine, which belongs to the field of dispensing machines, and comprises a machine table, a rotary table assembly, an ampoule medicament specification detection assembly, an ampoule medicament bottleneck cutting assembly, an ampoule medicament bottle head breaking assembly, an ampoule medicament pumping and injecting assembly, an injector needle tube corrector and a large transfusion clamp assembly, the problems that the hands and human health are easily injured due to the fact that glass ampoule medicine is configured by hands in hospitals are solved, the core technology of the ampoule medicine dispensing machine and the innovative technology of cutting ampoule bottle necks and breaking off ampoule bottle heads are researched and developed, the dispensing machine is high in configuration efficiency, compact in structure, small in occupied space and suitable for hospitals, main devices are standard parts, and the cost is low. Manufacturing cost is low, stability is good, reliability is high, and operation and maintenance are convenient.