58 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).

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.

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.

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 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).

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.

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.

1. Name of the product in this design: Pen refill holder for pen-type syringe (DP1-S00). 2. Intended use of this design: The overall purpose is for injecting drugs, and the partial purpose is for containing medicine bottles. 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. This design is a partial view; the area not covered by gray is the part for which protection is sought. The enlarged view of part A is an enlarged view of part A in perspective view 4.

A dose setting-correcting mechanism for a pen injector comprising a rotatable coupling sleeve having a proximal end (1a, 101a) and a distal end (1b, 101b), a rotatable ratchet sleeve (2, 102) surrounding the coupling sleeve (1, 101) and splined therewith axially, a reset nut (3, 103), a setting ring (6, 106), a crown gear (4, 104), said elements arranged around longitudinal axis A. For setting a dose, rotation of the coupling sleeve (1, 101) in a first direction causes rotation of the ratchet sleeve (2, 102). For dose correcting, the coupling sleeve (1, 101) is firstly rotated with respect to the ratchet sleeve (2, 102) and the reset nut (3, 103) is rotated along with the coupling sleeve (1, 101), wherein rotation of the reset nut (3, 103) causes sliding movement between the teeth of the reset nut and the teeth of the crown, and as a result, the axial movement of the crown gear (4, 104) and decoupling the crown gear (4, 104) from the setting ring (6, 106) so that the setting ring (6, 106) rotates to correct the dose. A pen injector comprising such a mechanism.

A safety needle device comprises a hub configured to be connected to a pen-type injector, the hub comprising a side wall and an upper wall defining a cavity between them, the cavity extending between said upper wall and a lower aperture able to receive the pen-type injector; a needle attached to the hub, the needle extending along a longitudinal direction between a distal end configured to be inserted into a patient and an opposite proximal end configured to be connected to the pen-type injector; a back end shield slidable along the longitudinal direction and rotatable about the longitudinal direction within the cavity of the hub, the back end shield being irreversibly movable from an initial position before the pen-type injector is connected to the hub, through an intermediate position, to a locked position after the pen-type injector is removed from the hub; a resilient member arranged within the cavity and acting between the upper wall and the back end shield to push the back end shield along the longitudinal direction towards the proximal end of the needle; a locking device comprising at least one first locking member formed on the back end shield and at least one second locking member formed on the hub.

1. The name of the design product: dose visible window of pen type syringe. 2. The use of the design product: the overall use of the design product is to inject medicine, and the use of the local appearance is to observe the injection dose. 3. The design points of the design product: the shape of the local part, the local appearance patent application is a local appearance patent application, and the area covered by the gray in the design picture or photo is the protection range of the local appearance design. 4. The picture or photo that best indicates 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, and the bottom enlarged view is an enlarged view of the bottom view.

The utility model discloses a portable pen type syringe, which relates to the technical field of pen type syringes, and comprises a pen body and a pen cap sleeved at the lower end of the pen body, the outer wall of the pen body is provided with a moving groove, a sliding block is arranged in the moving groove in a sliding manner, the outer wall of the pen cap is provided with a strip-shaped hole, and the sliding block is fixedly arranged in the strip-shaped hole. A plurality of connecting plates which are symmetrically arranged in a surrounding mode are fixedly arranged at the bottom of the pen cap, protective plates are arranged on the outer sides of the connecting plates in a sleeving mode, the lower ends of the protective plates are arranged in a contact fit mode, and elastic opening and closing mechanisms are arranged between the connecting plates and the protective plates. According to the pen body, the pen cap, the moving groove, the sliding block, the strip-shaped hole, the connecting plate, the cross rod, the protection plate and the elastic opening and closing mechanism, the pen cap and the pen body can be integrally connected, the pen cap can stably protect the injection end of an injector, and the pen cap and the pen body are prevented from being accidentally separated or lost as much as possible.

1. Name of the product in this design: Pen-type syringe (HFZSQ-II-D). 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: a 3D model.

System (100) and method of foil packaging components of a drug delivery device (110), e.g. autoinjector, pen injector, involving introducing first and second sheets of foil (101, 103) into a welding assembly with welding bars (106a, 106b), welding the sheets of foil (101, 103) together to form a first weld (112), providing a pen injector component (110) between the sheets of foil (101, 103) above the first welded, moving the sheets of foil (101, 103) downwards, and welding the first and second sheets of foil (101, 103) together to form a second weld (112) above the pen injector component (110). This can provide a foil packaging (120) with the pen injector components (110). Also disclosed is a system (200) and method for unloading or unpacking the foil packaged components of drug delivery device (110) which involves pushing a rod (210) between the welds in the foil packaging (120).

The present invention relates to a system for measuring and managing the injection volume of a pen-type injection device using a stepper motor. The system for measuring and managing injection volume is mounted on a non-protruding pen-type injection device (1) to measure the injection volume of a drug. The system (100) for measuring and managing the injection volume of a pen-type injection device using a stepper motor comprises: a main body (110) detachably mounted on an injection device housing (10) of the pen-type injection device (1); a dose sensing module (120) including a dose setting knob contact wheel (121) and a stepper motor (125); a main control unit (130) for calculating the rotation angle of the dose setting knob (12); and an input / output interface (140) which is connected to the main control unit (130), receives a manipulation required for operation, and displays an operation state. The main control unit (130) acquires a drug dose calculation value through the calculated rotation angle of the dose setting knob (12), and then manages and displays the drug dose calculation value as injection history information.