676 results about "Injections needle" patented technology

A pen-type full-automatic precision injection system, comprising: a support table (1), an injection assembly (2), a connecting device (3), a control console (4), and a control switch (5). The control console (4) is arranged on the support table (1), the injection assembly (2) is connected to the control console (4) by means of the connecting device (3), and the control switch (5) can control the injection assembly (2) by means of the control console (4). The injection assembly (2) comprises an auxiliary positioning device (21), a housing (22), a drug storage device (23), a first movement assembly (24), and a second movement assembly (25). The auxiliary positioning device (21) is connected to a left wall of the housing (22). The first movement assembly (24) can drive an outer barrel (231) of the drug storage device (23) to move left and right, an injection needle (232) of the drug storage device (23) can penetrate through the housing (22) and the auxiliary positioning device (21) to pierce the skin of a human body, and the second movement assembly (25) can push a pushing rod (233) of the drug storage device (23) to move to push an injection liquid into the human body. The pen-type full-automatic precision injection system can achieve functions such as automatic injection, adjustment of the injection depth, precise control over the needle piercing depth, precise control over the injection dose, precise control over the injection rate, bubble detection, and pressure detection during injection.

The invention relates to the technical field of egg inoculation, in particular to an egg inoculation machine capable of achieving safe inoculation and an operation method.The egg inoculation machine comprises a conveying unit, an optical detection unit, a mechanical arm assembly and an inoculation assembly; the conveying unit is used for conveying eggs, the position of an air chamber is recognized through the optical detection unit, an injection point is determined, the inoculation assembly is installed on the mechanical arm assembly, and the mechanical arm assembly drives the inoculation assembly to conduct inoculation along the injection point; according to the egg inoculation machine, after punching is completed, the injection needle tube is directly inserted into an egg along a punched hole for safe inoculation, the requirement for visual positioning of the hole can be reduced, a mechanical arm assembly low in precision can be used, and the device cost is reduced.

The invention relates to an injection device, which belongs to the technical field of medical equipment and comprises a shell, an activation button is arranged on the upper surface of the shell, an adhesive tape liner is arranged on the lower surface of the shell, a needle puncture structure and a medicine infusion structure are arranged in the shell, and the adhesive tape liner is used for adhering the injection device to the body of a user. The activation button is used for driving the needle puncture structure to puncture the injection needle into the skin for subcutaneous infusion, the medicine infusion structure is used for storing medicine and driving the medicine to enter the injection needle, and the technical problems that in the prior art, the movement freedom degree of a patient is limited, the nursing workload of medical staff is increased, and the puncture risk exists can be solved.

The invention relates to the technical field of pre-filled medicine bottles, in particular to a device for providing needle hiding and post-injection needle puncture-proof protection and a pre-filled syringe, the device comprises a needle hiding sleeve, a medicine bin shell, a locking sleeve, a medicine bottle support and a locking sleeve ejector rod, and the needle hiding sleeve is arranged in the medicine bin shell; a locking sleeve is arranged above the needle hiding sleeve, a medicine bottle support is arranged in the locking sleeve, and a pre-filled medicine bottle is arranged in the medicine bottle support; the bottom of the locking sleeve and the upper portion of the needle hiding sleeve are mutually embedded, and a locking sleeve ejector rod is arranged above the medicine bottle support. When injection is not carried out, the locking sleeve and the needle hiding sleeve can move freely; after injection is completed, the locking sleeve is locked by the locking sleeve ejector rod, so that the hidden needle in the pre-filled medicine bottle cannot be exposed. No matter whether the device is connected with a host or not, the needle head can be hidden when injection is not carried out, removal of the hidden needle protective cap is not affected, and friendly experience is provided for a user fear of needle fear; after injection, the hidden needle sleeve is locked, the hidden needle is prevented from being exposed, a needle head is prevented from stabbing related personnel, and the use safety is improved.

The invention provides an automatic injection device which comprises a needle bin system, a needle head system, a needle head system, a needle head system, a needle head system, a needle head system and a needle head system, the driving system is detachably connected with the needle bin system, the driving system is provided with a first-stage driving mechanism and a second-stage driving mechanism, the first-stage driving mechanism is used for driving an injection needle of the pre-filling injector to pierce an injection part, and the second-stage driving mechanism is used for driving an injection push rod of the pre-filling injector to move; and the liquid medicine is injected into the injection part through the injection needle. The automatic injection device can be repeatedly used, more importantly, the automatic injection device is further provided with the first-stage driving mechanism and the second-stage driving mechanism, the first-stage driving mechanism is used for puncturing the injection needle on the pre-filling injector into the body by a certain depth, and then the second-stage driving mechanism drives the injection push rod of the pre-filling injector to move; all the liquid medicine is injected into the injection part, time sequence control is achieved, and therefore the liquid medicine injection effect can be ensured.

The invention relates to the field of medical instruments, and provides an injection needle device applied to an application pump and an infusion device. The injection needle device comprises a bottom plate with a limiting ring; the needle injection device comprises symmetrical clamping arms to form a slideway, and arm bottom clamping hooks are clamped with a limiting ring; the injection needle key in the slideway is fixedly connected with a hard needle; the infusion base at the bottom of the key is connected with the soft needle; the hard needle penetrates through the soft needle; buckling arms are arranged on the inner sides of the clamping arms, and the surrounding inner diameter is smaller than the outer diameter of the key; when the key is pressed, the hard needle and the soft needle puncture the skin, and the key extrudes the buckle arm to expand outwards to enable the hook to be separated from the limiting ring, so that the needle injector is automatically separated from the bottom plate. The infusion device comprises the bottom plate and an infusion base, the pump body is buckled with the bottom plate, the liquid storage tank is fixedly connected with the pump body, and an infusion tube of the liquid storage tank penetrates through the infusion base to be communicated with the soft needle. The technical problems of split assembly, secondary unlocking, step-by-step puncture and pipeline deviation of the application pump in the prior art are solved, and the effects of preassembling integration, automatic separation, synchronous puncture and leakage and vibration prevention are achieved.

The present invention discloses a high-precision chip-type micropump wearable precision syringe, which specifically relates to the technical field of medical devices. The present invention evacuates a hydraulic liquid supply tank to a vacuum to form a negative pressure, and then the needle tip of a liquid-filled injection needle pierces a heparin cap, so that the drug driving liquid is pressed into the hydraulic liquid supply tank and squeezes the piston of the pushing unit to move to one side. The volume of the hydraulic liquid supply tank increases, and the drug driving liquid enters the micropump unit through the micropump liquid inlet hole. Since the micropump unit swings to a fixed value each time, the drug driving liquid is accurately driven and controlled, and the injection volume is accurately controlled. The piston member in the cartridge bottle is pushed forward to quantitatively push the injection liquid, and the liquid drives the liquid, so that the infusion is accurate and reliable; the implanted spring pushes the indwelling needle catheter seat to be clamped into the convex ring cavity. Afterwards, the stainless steel needle is withdrawn, leaving only the soft indwelling needle catheter in the blood vessel. Injection is performed through the indwelling needle catheter without waiting for too long, thereby reducing the discomfort and pain caused to the patient.

According to the disposable injection pen and the injection unlocking structure thereof, a pre-filled syringe is assembled in a lower pen shell assembly and is driven by a driving device in an upper pen shell assembly to conduct injection, in the injection process, the lower pen shell assembly drives a rotary sliding block in the upper pen shell assembly to move upwards so that an injection needle can be exposed, the rotary sliding block slides on a fixed sleeve, and therefore the injection needle can be unlocked. The driving device in the upper pen shell assembly is unlocked in the sliding process, the rotary sliding block which is rotatably arranged axially slides before reaching the unlocking position, and the rotary sliding block rotates after reaching the unlocking position and collides with the fixed sleeve to make an unlocking prompt tone, so that a user can accurately know the injection starting condition; and the subsequent injection action can be accurately carried out.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

The present application relates to a medicament delivery device comprising a housing, a medicament container holder arranged to accommodate a medicament container, a needle assembly comprising an injection needle part and a penetration needle part, wherein the extension of the injection needle part and the extension of the penetration needle part are angled generally 90 degrees, a penetration mechanism arranged to move the needle assembly in a direction generally coinciding with the extension of the injection needle part between an initial position of the injection needle part inside said housing to a penetration position with the injection needle part extending outside said housing; a medicament container connection mechanism arranged to move the medicament container holder and the medicament container in a direction generally coinciding with the penetration needle part for creating a flow passage from the interior of the medicament container to an outlet of the injection needle part.

An auto-injector for administering a dose of a liquid medicament includes an elongate tubular case and a carrier subassembly including a tubular carrier slidably arranged inside the case. The carrier is adapted to contain a syringe with a hollow injection needle, a drive spring, and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier, wherein the drive spring acts between the carrier and the plunger, wherein the plunger, in an initial state, is locked to the carrier by a ramped engagement to the carrier and by being prevented from rotating out of this ramped engagement, depending on a relative longitudinal position of the carrier in the case, and wherein the plunger is arranged to be released for rotating out of the ramped engagement.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

The invention provides a grouper microinjection method, and belongs to the technical field of aquaculture. According to the method, grouper eggs are injected by utilizing a grouper microinjection needle, the microinjection needle is prepared by calcining a glass capillary tube by utilizing a needle pulling instrument, and the parameters of the needle pulling instrument are set as P = 500mW, HET = 720ms, PULL = 60, VEL = 20mu m / s and TIME = 250ms; the outer diameter of the glass capillary tube is 1.0 mm, the inner diameter of the glass capillary tube is 0.75 mm, and the length of the glass capillary tube is 10 cm. The method for injecting the grouper eggs with the micro-injection needle is simple and easy to operate, exogenous gene transfer and endogenous gene accurate editing of the grouper can be realized by adopting the method disclosed by the invention, the target gene editing efficiency is high, and powerful support is provided for deeply researching gene functions of the grouper and cultivating excellent culture varieties.

An auto-injector for administering a dose of a liquid medicament includes an elongate tubular case and a carrier subassembly including a tubular carrier slidably arranged inside the case. The carrier is adapted to contain a syringe with a hollow injection needle, a drive spring, and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier, wherein the drive spring acts between the carrier and the plunger, wherein the plunger, in an initial state, is locked to the carrier by a ramped engagement to the carrier and by being prevented from rotating out of this ramped engagement, depending on a relative longitudinal position of the carrier in the case, and wherein the plunger is arranged to be released for rotating out of the ramped engagement.

The utility model relates to a tree disease and insect pest treatment device which comprises a rack and a pesticide injection unit installed on the rack, and the pesticide injection unit comprises an obliquely-arranged supporting track, a first driving device driving the supporting track to rotate, a pesticide injection assembly and a drilling assembly, and the pesticide injection assembly and the drilling assembly are installed on the supporting track; the medicine injection assembly comprises a medicine injection needle tube, and the medicine injection needle tube is parallel to the axis of the supporting rail in the length direction. The drilling assembly comprises a drill bit, a drilling motor and a first sliding base which is fixedly connected with the drilling motor and moves in the length direction of the supporting rail. The medicine injection assembly and the drilling assembly are arranged on the obliquely-arranged supporting track, position switching of a drill bit and a medicine injection needle tube is completed by rotating the supporting track, oblique drilling is achieved, the drilling machine and the medicine injection needle tube do not need to be manually held for drilling and medicine injection operation, the labor intensity is greatly reduced, and the working efficiency is improved. And drilling and medicine injection are quickly linked through the rotary supporting track, so that the drilling and medicine injection efficiency is greatly improved.

The invention belongs to the technical field of pharmaceutical equipment, and particularly relates to a needle pre-filling continuous production process for plastic medicine bottles. The process comprises the following steps of (1) tube blank extrusion, (2) tube blank transfer, (3) needle adding and bottle making, (4) filling, (5) injector piston adding and sealing, and (6) blanking. The needle pre-filling continuous production process for the plastic medicine bottles is a whole systematic process and covers a process from raw material conveying to final product conveying, compared with a traditional BFS process, a packaging process is characterized in that an injection needle adding station and an injector piston adding station are added and A-level air shower protection is added in a whole transferring process, functions of equipment are greatly increased, the quality of produced products is higher, the sterile safety of the products is better, and the problem of pollution possibly existing in a process from production to injection of medicines is fundamentally solved.

The utility model discloses an indocyanine green precise puncture and injection device under a laparoscope, which belongs to the field of medical instruments and comprises a needle tube outer cylinder, a middle propelling device arranged in the needle tube outer cylinder, an internal propelling device arranged in the middle propelling device, a negative pressure drainage piece arranged at the head of the needle tube outer cylinder, and a negative pressure drainage piece arranged at the tail of the needle tube outer cylinder. An outer hose is arranged at the other end of the negative pressure drainage piece, a suction cup head is arranged at the other end of the outer hose, an inner hose is arranged at the head of the middle propelling device, the inner hose penetrates through the negative pressure drainage piece and then extends into the outer hose, an injection needle is arranged at the head of the inner hose, and an electrocoagulation wire is arranged in the suction cup head and connected with the injection needle. According to the utility model, an operator can accurately complete puncture and injection operations under a laparoscope; the problem that when indocyanine green is injected, a needle is withdrawn and after the needle is withdrawn, the medicament overflows to pollute the tissue surface is solved; electric coagulation hemostasis can be implemented in the whole operation process; and the medicine injection dosage can be controlled more accurately.

The invention belongs to the technical field of medical instruments, and provides a double-cavity knee joint injection device and method, the double-cavity knee joint injection device comprises a needle cylinder body, the needle cylinder body is provided with a main piston cylinder and at least one auxiliary piston cylinder, the inner cavity of the main piston cylinder and the inner cavity of the auxiliary piston cylinder communicate with each other, and the main piston cylinder and the auxiliary piston cylinder are movably connected with plungers; the needle cylinder body is further provided with a needle head end, an injection needle head is arranged at the needle head end, the main piston cylinder is in one-way communication with the injection needle head through a one-way valve, the one-way valve is in one-way communication towards the direction of the injection needle head, and the communication pressure of the one-way valve is adjustable. When an injection needle is inserted into non-target injection tissue, such as muscle, of a patient, the injection resistance of the muscle tissue is large, a one-way valve cannot be conducted in the injection process, so that injection liquid flows into an auxiliary piston cylinder, and a plunger retreats. Therefore, medical staff can conveniently judge whether the injection needle is inserted into a target position or not. And the injection is prevented from being mistakenly injected into other tissues to be wasted.

The invention provides a soil reducing inorganic sulfide continuous extraction device and a use method thereof. The extraction device comprises a brown reaction bottle, a first sealing bottle plug is arranged at a bottle opening of the brown reaction bottle, and a gas replacement needle, a sample injection needle and a liquid replacement needle are arranged on the first sealing bottle plug; the reagent deoxidizing bottle is connected with the sample injection needle through a first liquid flow divider and a first multi-channel injection pump; a second sealing bottle plug is arranged at a bottle opening of the reagent deoxidizing bottle, a first needle tube, a second needle tube and a third needle tube are respectively arranged on the second sealing bottle plug, a needle seat of the second needle tube is connected with a second two-way valve, the second two-way valve is connected with a first liquid diverter, the first liquid diverter is connected with a first multi-channel injection pump, and the second liquid diverter is connected with a second multi-channel injection pump. A channel of the first multi-channel injection pump is connected with an eighth two-way valve on the sample injection needle seat; and the absorption liquid deoxidizing bottle is connected with the liquid changing needle through a second liquid diverter and a second multi-channel injection pump. The detection efficiency and stability of the soil reducing inorganic sulfide are improved.

Disclosed example cap removal tools include: a cap removal adapter having a cap removal aperture; and a base, comprising: first alignment features configured to align the cap removal tool with an actuator of the autoinjector testing system; and second alignment features configured to removably attach the cap removal adapter to the base and align the cap removal adapter with the actuator.

The mouse intestinal tumor cell injector comprises a handle, an injection device installed in the handle, and a radially telescopic support ring structure connected with the handle, tumor cells can be discharged from a first injection needle by operating a first push rod, and antibiotics can be discharged from a second injection needle by operating a second push rod; when the support ring structure is in a contracted state, the first injection needle and the second injection needle are located in the support ring structure; when the support ring structure is in an expanded support state, the needle heads of the first injection needle and the second injection needle can both extend to the outside of the outer edge of the support ring structure and are inserted into the mouse intestinal wall. The present application supports the mouse intestine by the support ring structure, supports the insertion of the first injection needle and the second injection needle into the mouse intestinal wall, ensures that only the mouse intestinal endothelium is punctured and the mouse intestinal canal is not punctured, ensures that tumor cells are injected into the mouse intestinal wall, and when the tumor cells are injected, antibiotics are also injected for anti-inflammatory treatment, which is beneficial to the recovery of the mouse intestinal puncture point.

An apparatus for the automated filling of cartridges of e-vapor devices may include a filling drum configured to receive at least one cartridge of an e-vapor device. The apparatus may additionally include a needle assembly including at least one hypodermic needle. The needle assembly is configured to transition between a lowered state and a raised state. The lowered state is where the hypodermic needle is moved down into the cartridge, while the raised state is where the hypodermic needle is lifted up and away from the cartridge. The apparatus may further include a pump assembly configured to pump a pre-vapor formulation into the cartridge when the needle assembly is in the lowered state. The pump assembly may include a variable amplitude cam system configured to adjust an amount of the pre-vapor formulation for pumping to the cartridge without changing start and stop times for the pumping.

The utility model relates to the field of liquid-based cell pelleters, in particular to a liquid suction and injection mechanism, which is provided with at least two mounting positions and a mounting part, at least one mounting position is provided with a mounting groove, the mounting part is provided with a liquid suction and injection needle kit, the tail end of the liquid suction and injection needle kit is provided with a liquid suction and injection port, and the mounting part is arranged in the mounting groove and can be adjusted in the mounting groove. Adjustment comprises horizontal movement and angle adjustment, and the angle adjustment enables the liquid suction and injection openings of the liquid suction and injection needle suites on the multiple installation positions to be located on the same straight line. The structure of the mounting groove is adopted, the mounting piece arranged in the mounting groove can be freely adjusted in the mounting groove through the adjusting piece, the mounting angle of the liquid suction and injection mechanism can be conveniently adjusted, the liquid suction and injection openings of the liquid suction and injection pipe are located on the same straight line, and waste liquid can be conveniently and completely sucked; meanwhile, the position of each liquid suction and injection mechanism can be conveniently adjusted to be matched with the position of the disposable pipette tip, and the insertion success rate of the disposable pipette tip is increased.

The present application belongs to the technical field of blood separation, and particularly relates to a blood separator, which comprises an upper chamber, a middle chamber, a lower chamber, a connecting part, an injection hole, an injection needle with an air filter plug, a sealing cap and a sampling port. The injection needle with the air filter plug facilitates blood injection and prevents the blood from being polluted by the external environment. During the separation process, the liquid level in the chamber can be adjusted by extruding the upper chamber or the lower chamber, so that the target product reaches the highest possible purity, and the liquid level adjustment mode effectively solves the problem of liquid leakage. The upper chamber and the middle chamber, and the lower chamber and the middle chamber can be communicated or isolated by controlling the rotation angle of the rotating piston, which is convenient and fast.

The utility model provides an intramedullary nail device achieving mechanical enhancement through photocuring, and belongs to the technical field of orthopedic medical treatment. Comprising an expandable balloon and an introduction sheath sleeve, the expandable balloon is of a long-strip cylindrical structure, an injection cavity is formed in the expandable balloon, and an injection opening is formed in the end of the expandable balloon; and the introduction sheath is wound and wrapped outside the expandable balloon. And a micro sheath is adaptively mounted at an injection port of the expandable balloon. The micro sheath is in communication with the expandable balloon. And an injection needle tube is arranged on the micro sheath. And a positioning guide wire penetrates into the micro sheath. And the positioning guide wire penetrates through the injection port and enters the interior of the expandable balloon. According to the intramedullary nail, due to the arrangement of the expandable balloon, operation steps are optimized, operation efficiency is improved, the photocuring process is easy to control, operation of a doctor is facilitated, and the intramedullary nail after photocuring can show higher strength when being stressed, so that deformation and displacement of a fracture part are more effectively resisted.

Provided is an intraocular injection assembly, comprising an injection needle base and an injection needle head. The injection needle base is internally provided with a plurality of first auxiliary channels, each extending in an axial direction of the injection needle base, which are in sequential communication with each other, and in a direction from a first end to a second end of the injection needle base, the diameters of the plurality of first auxiliary channels sequentially decrease, and the plurality of first auxiliary channels cooperate to form a first injection channel. The injection needle head is internally provided with at least two second auxiliary channels, each extending in an axial direction of the injection needle head, which are in sequential communication with each other, and in a direction from a first end to a second end of the injection needle head, the diameters of the second auxiliary channels sequentially decrease, and the second auxiliary channels cooperate to form a second injection channel. The injection needle head is connected to the second end of the injection needle base, and the first end of the injection needle base can be connected to an outlet of an external syringe, such that the second injection channel is in communication with the external syringe by means of the first injection channel.

The utility model relates to the technical field of medical detection devices, and discloses a glycosylated hemoglobin detection device, which comprises a sampling mechanism, a detection mechanism and a control mechanism, the sampling mechanism comprises an injection pump set, a sampling needle and a sampling valve, the sampling valve is a six-way sampling valve, the injection pump set is connected with a first port of the sampling valve, and the sampling needle is connected with a second port of the sampling valve; the separation mechanism comprises an eluent group, a mixer and a chromatographic separator, the eluent group is connected with a fifth port of the sample injection valve, the chromatographic separator is connected with a sixth port of the sample injection valve, and two ends of the mixer are connected with a third port and a fourth port of the sample injection valve; the inspection mechanism comprises a filter and an inspector, the filter is arranged between the mixer and the chromatographic separator, and the inspector is connected with the chromatographic separator. According to the utility model, the glycosylated hemoglobin can be rapidly and accurately detected through an accurate sample introduction and separation mechanism, so that the detection efficiency is improved. The automation degree of the detection process is high, the requirement for manual operation is reduced, and the possibility of human errors is reduced.