77 results about "Pen Injector" patented technology

A sliding cover for a liquid delivery device, such as a cap (100) for a pen injector (200), incorporates a set of sensors including an optical sensor (110) with an output which changes during uncapping or capping motions on passing of a plunger (220) of the pen injector. This output is used together with a position sensor (120) to determine the position of the plunger along a cylinder (210) of the liquid delivery device. By monitoring changes in the plunger position, the quantity of dosages delivered by the liquid delivery device can be determined, displayed, stored and / or transmitted to an external device for further data processing or storage. Preferred implementations of the invention employ optical sensors with a converging beam (115), and / or position sensors employing linear potentiometer strips (132).

The pen type injector comprises a shell, an adjusting column, a transmission column, a guide column and a screw rod, and a view window is formed in the side body of the shell; the adjusting column is arranged on the inner side of the shell and is in threaded connection with the shell, spirally-arranged dosage scales are arranged on the periphery of the adjusting column, and a knob is connected to the far end of the adjusting column; the transmission column is arranged on the inner side of the adjusting column, the near end of the transmission column is in clutch connection with the adjusting column, and the far end is connected with a button through a supporting column. The guide column is arranged on the inner side of the transmission column and is in sliding joint with the transmission column, and the guide column is limited to only rotate in one direction; and the screw rod is arranged on the inner side of the guide post and is in threaded connection with the guide post. The driving mechanism of the pen type injector has fewer parts, the whole structure is simpler, and the risk of unstable driving is reduced while the cost is reduced; the transmission parts on all the parts are dispersed, and the problems that the assembly difficulty is increased due to the fact that the transmission parts are excessively concentrated at the same position, and the transmission stability is poor due to stress concentration are solved.

1. Name of the product in this design: Pen-type Injector (DP1-1). 2. Purpose of this design: For injecting drugs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. Other situations requiring explanation: The top view enlarged view is an enlarged view of the top view; the bottom view enlarged view is an enlarged view of the bottom view.

The invention belongs to the technical field of medical instruments, and particularly relates to a disposable pen type syringe and a working method thereof. The lower pen container is connected with the upper pen container and is used for installing a cartridge; the driving mechanism is arranged in the upper pen container and comprises a lower fixing sleeve, a rectangular lead screw, a feedback connecting rod and a dosage adjusting assembly; the lower fixing sleeve is connected with the upper pen container, and a circular through hole is formed in the axis of the lower fixing sleeve; the rectangular screw rod is arranged on the circular through hole in a penetrating manner and flows out of the gap on the two sides; the feedback connecting rod is sleeved on the rectangular screw rod, and a pair of clamping pieces for extending into the gap is arranged on the lower end surface of the feedback connecting rod; according to the disposable pen-type injector and the working method thereof, the pair of clamping pieces is arranged on the lower end face of the feedback connecting rod, and the two clamping pieces correspond to the two ratchets in position and extend into the corresponding gaps respectively, so that when the feedback connecting rod rotates, the ratchets can be separated from the feedback connecting rod; the ratchets are stressed to bend inwards to extrude the clamping pieces so as to tightly hold the rectangular lead screw and prevent the rectangular lead screw from shaking to affect the precision of the injection dose.

The present invention belongs to the technical field of syringes, and specifically relates to a pen-type syringe, a control system, and an automatic injection control method. The pen-type syringe includes a medicine chamber and a main unit, one end of which is detachably connected to one end of the main unit. The medicine chamber is provided with an awakening structure and a hidden needle linkage mechanism, which automatically switches the main unit from a dormant state to a standby state via the awakening structure. The hidden needle linkage mechanism causes an automatic drive component within the main unit to move toward the medicine chamber, pushing the piston of a medicine bottle within the chamber forward to complete automatic injection of liquid medicine. The present invention can automatically awaken the main unit and automatically trigger an injection without the need for keystrokes, thus avoiding accidental keystrokes or trigger failures and improving the safety and convenience of device use.

The utility model discloses a pen type injector convenient to use, and relates to the technical field of medical instruments. The device comprises a protection cylinder and a folding cylinder movably connected to the top of the protection cylinder through a hinge, a moving groove is formed in the outer side of the bottom of the folding cylinder, a medicine cylinder is placed in the protection cylinder, a driving mechanism is arranged at the top end in the folding cylinder, a lower magnetic block is embedded in the center of the top of a rubber plug, and an upper magnetic block is embedded in the center of the bottom of a pushing plate. And the lower magnetic block and the upper magnetic block are correspondingly arranged up and down, and a limiting assembly is arranged in the moving groove. The protective barrel and the folding barrel can be conveniently and rapidly folded and butted by a worker through the limiting assembly, the occupied space is reduced, the worker can conveniently carry, store and store the protective barrel and the folding barrel, the upper driving mechanism and the lower medicine barrel can be conveniently separated through the medicine barrel, the rubber plug, the pushing plate, the lower magnetic block and the upper magnetic block, then the internal medicine barrel can be disassembled, assembled and replaced, and the working efficiency is improved. Use is convenient, and resource waste is reduced.

To provide an automatic needle inserter for a pen injector.SOLUTION: The automatic needle inserter has an elongated inserter body dimensioned and configured to receive the pen injector when introduced into a longitudinal bore of elongated inserter body via the proximal extremity thereof. The automatic inserter body is also configured to prevent the pen injection system from exiting the longitudinal bore via the distal extremity of the inserter body. The automatic needle inserter is provided with rotationally-activated locking means to lock the pen injector in an axial position within the longitudinal bore via rotation of at least a part of the elongated inserter body about the central longitudinal axis from a first non-locking position to at least one or more second locking positions.SELECTED DRAWING: Figure 1

The present invention relates to the field of pen injectors, and in particular, to an easy-to-assemble pen injector and an assembly method therefor. The easy-to-assemble pen injector comprises a pen housing. Head and tail ends of the pen housing and the interior of the pen housing are provided with drug loading parts and a pushing part, respectively. The drug loading part is configured for mounting a cartridge, and the pushing part is configured for pushing the liquid out of the cartridge. The pen housing is circumferentially closed. Two ends of the pen housing are provided with openings for connecting the drug loading parts, and the openings form a channel for the pushing part to enter the interior of the pen housing. The pen housing and the pushing part are fixedly provided with a first electronic component and a second electronic component, respectively, and the first electronic component and the second electronic component synchronously achieve electrical contact when the pushing part is mounted to a desired position in the pen housing along an axis. The first electronic component comprises a charging port, and the second electronic component comprises a first circuit board and a spring needle fixed on the first circuit board and perpendicular to the axis. When the second electronic component moves to the desired position with the pushing part, the spring needle is snap-fitted to the charging port.

1. Name of the product in this design: Pen-type Injector (WH-DH3). 2. Purpose of this design: For injecting drugs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. Other situations requiring explanation: The top view enlarged view is an enlarged view of the top view; the bottom view enlarged view is an enlarged view of the bottom view.

The utility model discloses a quantity control structure for a multifunctional automatic pen type injector, and relates to the technical field of pen type injectors. The injector comprises an injector body, the injector body comprises a spiral twisting block and an injection push key, a threaded opening is formed in the upper portion of the peripheral side of the injector body, two symmetrically-arranged positioning holes are formed in the peripheral side of the spiral twisting block, a quantifying plate is arranged over the spiral twisting block, and an electromagnet is fixed to the middle of the lower end face of the quantifying plate. An extrusion plate attracted to the electromagnet is arranged at the position between the quantifying plate and the injection push key, the threaded opening is slidably sleeved with a movable ring, and a threaded ring in threaded connection with the threaded opening is fixed to the inner side face of the movable ring. According to the utility model, the electromagnet is used for controlling the extrusion plate to move the injection push key so as to realize the function of automatic quantity control, and meanwhile, the screw ring and the threaded opening are matched for use so as to improve the position stability of the quantitative plate.

1. The name of the design product: pen type syringe (YCXZSQ-IX). 2. The use of the design product: mainly used for medical injection. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of the design product: pen type syringe. 2. The use of the design product: for injecting medicine. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: each design top view enlarged view is an enlarged view of the top view, and the bottom view enlarged view is an enlarged view of the bottom view.

The invention relates to an assembling mechanism for an anti-needling assembly of a pen type injector. The assembling mechanism comprises a rack, a conveying mechanism, a height measuring mechanism, an assembling mechanism and a control system. The height measuring mechanism is used for acquiring the actual hanging height of the core rod; and the control system drives a lifting mechanism at the bottom of the conveying mechanism or a third clamping jaw of the assembling mechanism to perform lifting compensation according to the height data so as to eliminate the height tolerance of the supplied materials. During assembly, the second clamping jaw on the upper portion clamps the upper cover to be pressed downwards, the third clamping jaw on the lower portion is rigidly supported on the boss of the core rod upwards, and the second clamping jaw and the third clamping jaw are coaxially and oppositely arranged, so that assembly loads are directly transmitted to the third clamping jaw through the boss to be unloaded. According to the invention, high self-adaptive compensation is realized, huge assembly force is prevented from directly acting on the injector body along the axial direction, the product is effectively prevented from being damaged by pressure, and the overall assembly yield is improved.

The invention discloses a pen type injector and an injection system, and relates to the technical field of medical instruments, the pen type injector comprises a shell, an injection module, a first driving module and a second driving module, the injection module, the second driving module and the first driving module are sequentially arranged in the shell in the first direction of the shell, a needle outlet for the injection module to extend out is formed in the front end of the shell; the injection module can move in the first direction and comprises a liquid storage barrel, a piston movably arranged in the liquid storage barrel and an injection needle communicated with the liquid storage barrel; the first driving module is used for driving the second driving module and the injection module to move in the first direction, so that the injection needle extends out of the needle outlet and pierces the skin; the second driving module is connected with the piston, and the second driving module is used for driving the piston to move in the first direction so as to push out the injection in the liquid storage cylinder; therefore, the device can improve the injection precision and improve the working efficiency.

The present invention relates to an injection amount measurement and management system for mounting on a pen-type injection device (1) having an injection button that does not rotate during injection, in order to measure the injection amount of a drug, and relates to an injection amount measurement and management system (100) for mounting on the dose-setting knob of a pen-type injection device, the system comprising: a main body (110) in which a main body IMU sensor (112) is installed; an injection button interlocking part (120) which is mounted so as to be interlocked with the rotational operation of an injection button (11) of the pen-type injection device (1) and has an injection button IMU sensor (121) installed therein; a main control unit (130); and an input / output interface (140), wherein the main control unit (130) calculates a relative angle change value (RA) between a measurement value of the main body IMU sensor (112) and a measurement value of the injection button IMU sensor (121), acquires a drug dose calculation value using the relative angle change value (RA) until injection is completed when the relative angle change value (RA) occurs in a return rotation direction, and then manages and displays the drug dose calculation value as injection history information.

The utility model relates to the technical field of injectors, in particular to a needle cover and a pen type injector, the needle cover comprises a cover body and a connecting piece arranged on the cover body, the connecting piece comprises a driving part and a sealing part, the driving part comprises a plurality of sliding blocks, the sliding blocks are arranged on the outer wall of the edge of the opening face of the cover body, and the sealing part is arranged on the outer wall of the opening face of the cover body. The driving part further comprises a moving ring, and grooves corresponding to the sliding blocks are formed in the inner wall of the moving ring. The rubber ring, the movable ring and the guide ring are arranged, so that the effect of sealing the two ends is achieved, the multi-extrusion sealing effect is further achieved, external dust is prevented from entering, and the internal cleanliness is improved; by arranging the elastic supporting table, the connection stability between the cover body and the injection tube is further enhanced, the effect of stabilizing the hand of a user when the cover is pulled out can be achieved, the hand is prevented from moving downwards or shaking when holding the injection tube to pressurize, the use difficulty of the injector is reduced, and the use safety degree of the injector is enhanced.

The invention relates to a workpiece carrier device (1) for holding and moving workpieces (15), having: a workpiece carrier (2) for receiving workpieces (15), which is mounted on a main frame (4) so as to rotate about an axis (3); a drive part, which can likewise rotate about the axis (3) relative to the workpiece carrier (2); and multiple workpiece holders (5), which are arranged on the workpiece carrier (2) in a ring around the drive axis and are mounted on the workpiece carrier (2) so as to rotate about holder axes (6) which are spaced from the drive axis. The holder axes (6) run in such a way in relation to the axis (3) that the workpiece holders (5) form a conical crown arrangement (7). The invention further relates to a coating method using the workpiece carrier device (1) according to the invention and to workpieces or substrates (15) coated by means of the coating method (e.g, pins, pen injectors, balls, ball pins, pistons, nozzle needles etc.).

The utility model discloses an adjustable pen type injector, and relates to the technical field of medical instruments. A medicine inlet is formed in the peripheral side face of the first medicine storage tube, a needle head is detachably arranged at one end of the first medicine storage tube, an injection rod is arranged in the first medicine storage tube in a sliding mode, a medicine pushing disc is fixedly arranged at one end of the injection rod, and a medicine applying assembly is installed on the peripheral side face of a medicine storage assembly and comprises an annular plate. The annular plate is rotationally arranged on the circumferential side face of the first medicine storage pipe, and a medicine guiding opening is formed in the circumferential side face of the annular plate and matched with the medicine inlet. By means of the specific structural design of the medicine storage assembly, the injection rod and the medicine applying assembly, a patient does not need to add liquid medicine again for injection after injection is completed, the situation that continuous injection and medicine adding are conducted alternately in the injection process is avoided, the patient can manually control the injection dosage, and therefore the operation efficiency is improved, and the operation cost is reduced. Therefore, the injection efficiency is improved.

1. The name of the design product: pen type syringe. 2. The use of the design product: for injecting medicine. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: the top enlarged view is an enlarged view of the top view; the bottom enlarged view is an enlarged view of the bottom view.

The present disclosure relates to a pen injector carry case (10, 20, 30) suitable for storing a drug delivery device (1). The carry case (10, 20, 30) comprises a first compartment (13, 23, 33) configured to receive a pen type a drug delivery device (1) and a second compartment (14, 24, 34) configured to receive accessories (2, 3) for the pen type a drug delivery device (1). The carry case (10, 20, 30) is made from two sheets or panels (11, 21, 31, 12, 22, 32) of a high-density polyethylene (HDPE) material that are connected together along seams (15, 25, 35, 16, 26, 36).

The present invention belongs to the field of assembling needles of medical pen-type syringes, and provides a needle upper tool, comprising a needle seat fixing pin with an upper opening for fixing a needle seat, the needle seat being sleeved on the upper end of the outer wall of the needle seat fixing pin, the outer diameter of the upper end of the outer wall of the needle seat fixing pin being smaller than the inner diameter of the inner cavity of the needle seat, the lower end of the outer wall of the needle seat fixing pin being mounted on a tooling strip, a needle fixing pin of a columnar structure being arranged in the inner cavity of the needle seat fixing pin, a positioning groove being arranged at the center of the upper end of the needle fixing pin, a limiting member being connected to the bottom of the needle fixing pin for preventing the needle fixing pin from falling off from the inner cavity of the needle seat fixing pin, the needle fixing pin and the positioning groove being coaxially arranged with the axis of the needle seat fixing pin, and the beneficial effects of the present invention are that the skewness and height of the upper needle are guaranteed, and the needle fixing pin is not easy to fall off.

1. Name of the product in this design: Pen-type Injector (Type B). 2. Purpose of this design: For injecting drugs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. Other situations requiring explanation: The top view enlarged view is an enlarged view of the top view; the bottom view enlarged view is an enlarged view of the bottom view.

Implementations of the present disclosure are directed to conserving energy of an injection device that includes an energy source configured to power an electronic component, a priming component configured to generate a trigger, a reactant configured to generate an instantiation signal in response to the trigger, and a sensor configured to detect and process the instantiation signal and generate an activation signal to activate the energy source.

A sliding cover for a liquid delivery device, such as a cap (100) for a pen injector (200), incorporates a set of sensors including a first optical sensor (110) with an output which changes during uncapping or capping motions on passing of a plunger (220) of the pen injector. This output is used together with at least one additional sensor output to determine the position of the plunger along a cylinder (210) of the liquid delivery device. By monitoring changes in the plunger position, the quantity of dosages delivered by the liquid delivery device can be determined, displayed, stored and / or transmitted to an external device for further data processing or storage.

The feedback mechanism is used for generating feedback when the injector completes injection, the feedback mechanism comprises a first feedback piece, a second feedback piece and a trigger assembly, the second feedback piece and the first feedback piece are distributed in the axial direction of a pen body at intervals, and the second feedback piece can slide in the axial direction of the pen body; the trigger assembly comprises a force application piece and a trigger piece, the force application piece is used for applying an acting force towards the first feedback piece to the second feedback piece, and the trigger piece has a first working state for stopping the second feedback piece from moving towards the first feedback piece and a second working state for releasing stopping of the second feedback piece; when the injector is in the last stage of injection, the trigger piece is switched from the first working state to the second working state, so that the second feedback piece impacts the first feedback piece under the action of the force application piece to generate a sound signal and / or a touch signal. The feedback mechanism can generate a feedback signal easy to perceive on time after injection is completed so as to prompt a patient that injection is finished.

The present application relates to the field of syringes, in particular to a pen syringe, comprising a pen body, an injection mechanism, a locking mechanism and an identification member, the injection mechanism comprises an injection plunger, the injection plunger and a medicine cartridge are distributed along the axial direction of the pen body, the injection plunger can push out the medicine in the medicine container; the locking mechanism is configured to lock and unlock the injection plunger along the axial direction of the pen body; the identification member is connected to the pen body and is linked with the locking mechanism, when the pen syringe has not injected medicine, the identification member is in a to-be-injected state capable of moving along the axial direction of the pen body, and when the identification member moves a preset stroke, the identification member can drive the locking mechanism to unlock the injection plunger; after the pen syringe injects medicine, the identification member is in an injected state locked by the locking mechanism. The pen syringe of the present application can lock the injection plunger through the locking mechanism before injection to prevent accidental triggering, and after completing injection, the state of the identification member can be used to quickly identify whether the pen syringe has been used to prevent incorrect handling.

The present application relates to an active sheath subassembly for the needle injection end (3) of a disposable sterilized needle assembly dedicated to use with a pen syringe (42), the active sheath subassembly comprising a primary package (45) containing a sterile medical product (47), together constituting a medical needle injection system. Five variations of a needle injection end active sheath subassembly are disclosed. The present application also relates to component parts of a needle injection end active sheath subassembly, i.e. An immovable component part (14), a first movable component part (15) and a second movable component part (16), as well as a unit package (13) of a needle assembly comprising such a sterile package and a user package comprising a set of said unit packages (13), and preferably a pen syringe (42). The sheath subassembly is mounted on a hub (1) of the needle assembly and is configured to activate a cladding of a needle injection end (3) with an end point (4) and / or a needle non-injection end (5) with an end point (6) prior to detaching the needle assembly from a pen syringe (42). Furthermore, the present application relates to a disposable sterilized needle assembly provided with a needle injection end active sheath subassembly according to the present application, and a medical needle injection system provided with a disposable sterilized needle assembly according to the present application.

1. The name of this design product: feedback link. 2. Purpose of this design product: used in pen-type injectors to limit the maximum injection dose. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. Other situations that require explanation: The top view enlarged image is an enlarged image of the top view, and the bottom view enlarged image is an enlarged image of the bottom view.

Inclusion complex comprising an active pharmaceutical ingredient which is a P2X7 inhibitor receptor antagonist (e.g. lidocaine hydrochloride, articaine) and a cyclodextrin (e.g. HP beta cyclodextrin) for use in the treatment of an autoimmune disease or a condition in which an immune response caused by a disease or infection causes hyperinflammation (e.g. Long COVID) wherein the inclusion complex is presented for administration to the lymphoid system. A base (e.g. sodium bicarbonate) may be further included in the inclusion complex. Inclusion complex may be administered intra- or sub-dermal or subcutaneously, e.g. by infusion pump or pen injector. Also claimed is a formulation comprising an inclusion complex, said complex comprising lidocaine.HCl or articaine.HCl, hydroxypropylated β-CD, a pH modifier and water wherein the pH is 5-7.4 and the ratio and concentration of components is further limited. Said formulation may have a shelf life of at least 32 weeks based on accelerated testing at 60 °C.