938 results about "Injections needle" patented technology

According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical housing arranged to contain a pre-filled syringe filled with the medicament (M), a needle shroud slibably arranged with respect to the housing and adapted to rest on the skin of a patient receiving an injection, a releasable drive means arranged within the housing that is capable of, upon release, translating the needle shroud in a proximal direction (P) towards a safe position (PS) and a rotating collar rotatably arranged within the housing. The needle shroud in the safe position (PS) surrounds the injection needle after the injection has been carried out. The rotating collar engages the needle shroud in a manner that forces the rotating collar to rotate within the housing when the needle shroud is translated in the proximal direction (P).

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical housing arranged to contain a pre-filled syringe filled with the medicament (M), a needle shroud slibably arranged with respect to the housing and adapted to rest on the skin of a patient receiving an injection, a releasable drive means arranged within the housing that is capable of, upon release, translating the needle shroud in a proximal direction (P) towards a safe position (PS) and a rotating collar rotatably arranged within the housing. The needle shroud in the safe position (PS) surrounds the injection needle after the injection has been carried out. The rotating collar engages the needle shroud in a manner that forces the rotating collar to rotate within the housing when the needle shroud is translated in the proximal direction (P).

Provided is a needle roller device for skin injection which includes a main body comprising, formed on one side thereof, an injection pipe part with an injection port to which a drug injection device is detachably coupled, and formed on the other side thereof, an expansion part with predetermined width and length communicating with the injection pipe part, a roller part rotatably coupled to the expansion part, and comprising a plurality of needle protrusions formed on an outer circumferential surface, and fine needles coupled to the plurality of needle protrusions and exposed to outside, and a rotation connection part that fastens the main body and the roller part.

According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical housing arranged to contain a pre-filled syringe filled with the medicament (M), a needle shroud slidably arranged with respect to the housing and adapted to rest on the skin of a patient receiving an injection, a releasable drive means arranged within the housing that is capable of, upon release, translating the needle shroud in a proximal direction (P) towards a safe position (PS) and a rotating collar rotatably arranged within the housing. The needle shroud in the safe position (PS) surrounds the injection needle after the injection has been carried out. The rotating collar engages the needle shroud in a manner that forces the rotating collar to rotate within the housing when the needle shroud is translated in the proximal direction (P).

According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical housing arranged to contain a pre-filled syringe filled with the medicament (M), a needle shroud slidably arranged with respect to the housing and adapted to rest on the skin of a patient receiving an injection, a releasable drive means arranged within the housing that is capable of, upon release, translating the needle shroud in a proximal direction (P) towards a safe position (PS) and a rotating collar rotatably arranged within the housing. The needle shroud in the safe position (PS) surrounds the injection needle after the injection has been carried out. The rotating collar engages the needle shroud in a manner that forces the rotating collar to rotate within the housing when the needle shroud is translated in the proximal direction (P).

According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical housing arranged to contain a pre-filled syringe filled with the medicament (M), a needle shroud slibably arranged with respect to the housing and adapted to rest on the skin of a patient receiving an injection, a releasable drive means arranged within the housing that is capable of, upon release, translating the needle shroud in a proximal direction (P) towards a safe position (PS) and a rotating collar rotatably arranged within the housing. The needle shroud in the safe position (PS) surrounds the injection needle after the injection has been carried out. The rotating collar engages the needle shroud in a manner that forces the rotating collar to rotate within the housing when the needle shroud is translated in the proximal direction (P).

According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical housing arranged to contain a pre-filled syringe filled with the medicament (M), a needle shroud slidably arranged with respect to the housing and adapted to rest on the skin of a patient receiving an injection, a releasable drive means arranged within the housing that is capable of, upon release, translating the needle shroud in a proximal direction (P) towards a safe position (PS) and a rotating collar rotatably arranged within the housing. The needle shroud in the safe position (PS) surrounds the injection needle after the injection has been carried out. The rotating collar engages the needle shroud in a manner that forces the rotating collar to rotate within the housing when the needle shroud is translated in the proximal direction (P).

According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical housing arranged to contain a pre-filled syringe filled with the medicament (M), a needle shroud slibably arranged with respect to the housing and adapted to rest on the skin of a patient receiving an injection, a releasable drive means arranged within the housing that is capable of, upon release, translating the needle shroud in a proximal direction (P) towards a safe position (PS) and a rotating collar rotatably arranged within the housing. The needle shroud in the safe position (PS) surrounds the injection needle after the injection has been carried out. The rotating collar engages the needle shroud in a manner that forces the rotating collar to rotate within the housing when the needle shroud is translated in the proximal direction (P).

According to the invention, an auto-injector for administering a dose of a liquid medicament (M) comprises of a substantially cylindrical housing arranged to contain a pre-filled syringe filled with the medicament (M), a needle shroud slidably arranged with respect to the housing and adapted to rest on the skin of a patient receiving an injection, a releasable drive means arranged within the housing that is capable of, upon release, translating the needle shroud in a proximal direction (P) towards a safe position (PS) and a rotating collar rotatably arranged within the housing. The needle shroud in the safe position (PS) surrounds the injection needle after the injection has been carried out. The rotating collar engages the needle shroud in a manner that forces the rotating collar to rotate within the housing when the needle shroud is translated in the proximal direction (P).

The invention provides an injection pen special for preventing acupuncture injury of insulin, and relates to the technical field of medical instruments, the injection pen comprises an injection pen body, the outer circumference of the injection pen body is provided with a metering observation window, the rear end face of the injection pen body is provided with an injection push key, and the front end face of the injection pen body is provided with a piston rod. The injection needle is sleeved with the inner needle cap and the outer needle cap, multiple protections are formed, it is ensured that the injection needle is properly protected in the transportation, storage and use processes, the probability of pricking injury is greatly reduced, the rubber column is fixedly installed at the front end of the outer needle cap, for old people with poor eyesight, a needle head can be inserted into the rubber column, and the rubber column is fixedly installed at the front end of the outer needle cap. The needle head can be hidden, and the problems that old people with poor eyesight are difficult to read metering scales, and a replaced injection needle is prone to hurting a user and other people are solved.

A disposable syringe unit for an injection device adapted for releasable attachment to a reusable drive unit of the injection device includes a prefilled syringe with a reservoir and an injection needle, a syringe holder for holding the prefilled syringe, a cover member guided by guiding means thereby movable along the longitudinal axis relative to the syringe holder between a covering position in which the injection needle is covered and a retracted position in which the injection needle protrudes from the cover member, and a cap releasably attached to a distal end of the cover member or the syringe holder. Apart from the prefilled syringe, the syringe unit includes in total not more than three separate parts.

An automatic injection device including a body; a medical container including a barrel containing a product for injection, a distal tip provided with an injection needle and a stopper in sliding engagement within the barrel, the medical container being slidably arranged in the body between a proximal position and a distal position; a safety shield slidably mounted within the body between a distal initial position and a proximal second position; a plunger rod slidably arranged in the body from a releasably locked proximal initial position in which a distal tip of the plunger rod is proximally spaced from the stopper, the distal tip of the plunger rod being adapted push the stopper in the distal direction when the plunger rod is unlocked; a cam cooperating with the safety shield so that a translation of the safety shield from the distal initial position to the proximal second position causes the cam to rotate within the body to an unlocking position; a plunger retainer including at least one elastic lever including at least one retention member, the plunger retainer cooperating with the cam so that, in the initial position, each retention member lockingly engages the plunger rod and, when the cam is in the unlocking position, the lever is deflected to disengage each retention member from the plunger rod, thereby allowing the plunger rod to move in the distal direction to push the medical container.

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 technical field of medical instrument manufacturing, in particular to a first-aid injection pen structure with a self-hidden needle after injection, which comprises an upper component, a lower component and a PFS component. The upper assembly limits the displacement of an excitation rod through an inner main body and an outer main body, and an excitation spring and an auxiliary spring respectively provide injection power and needle head hiding power; a starting shell of the lower assembly triggers injection under the jacking force of a human body; and the PFS assembly realizes liquid medicine release. The needle head is hidden in the starting shell initially, the starting shell moves upwards during excitation, the excitation rod pushes the piston to inject under the action of the excitation spring, and meanwhile the spring is assisted in storing energy. After injection is finished, the auxiliary spring releases potential energy to push the outer body and the starting shell to move downwards, and the needle is hidden again. The structure is linked with the upper assembly and the lower assembly through double-spring driving, full-process hiding of the injection needle is achieved, the advantages of being easy and convenient to operate, high in safety, stable and reliable in structure and the like are achieved, and the problem of exposure risk of an existing first-aid injection pen needle is effectively solved.

The invention belongs to the technical field of medicament injection, and discloses a quick injection device for a medicament for treating acute coronary syndrome, which comprises an injection tube, a replacement part and a quantitative mechanism are respectively mounted on the injection tube, and a connecting sleeve is pushed to move towards the injection tube through the cooperation of structures such as an auxiliary sleeve and the replacement part. In the process, the connecting sleeve presses the moving block, the moving block overcomes the elastic force of the limiting spring to move, the connecting sleeve is rotated, the moving block rotates in the limiting groove, at the moment, the old injection needle and the connecting sleeve can be smoothly taken down from the auxiliary sleeve, and a new injection needle with the connecting sleeve is inserted into the auxiliary sleeve. When a new injection needle is installed, the movable block can correspondingly move in the limiting groove, then the connecting sleeve is rotated again, the connecting sleeve drives the movable block to continue to move in the limiting groove, and the replacement operation of the injection needle is completed, and when the new injection needle is installed, the movable block and the limiting groove are connected in a clamped mode, and the limiting spring is in a stretching state; and the injection needle connecting sleeve can be stably fixed.