Ampoule Syringes TRIZ Cases

A removable pen module uses magnetic sensing, a gyroscope, and a spacer to track dose delivery accurately while limiting interference.

A cam-driven squeezer separates shield insertion from locking, making medicament delivery cap assembly simpler and more reliable.

Separate medicament chambers enable sterile in-device mixing, longer shelf life, and safer self-injection with anti-activation protection.

A refillable cartridge uses fluid pressure to reset the piston while sensors track dispensing and replenishment for accurate medicine supply management.

Predetermined clip engagement keeps medicament components separate until injection, enabling sterile reconstitution and safer self-administration.

A bypass passage and movable stopper keep two medicament components separate until use, preserving sterility and enabling safe self-injection.

A preattached filter and integrated mixing path simplify intraocular gas preparation, improving sterility, concentration accuracy, and waste control.

Integrated sensors track syringe position, orientation, temperature, and skin contact to improve injection reliability and complete dose delivery.

An elastic one-way refill valve in a jet injector enables adapter-free aspiration, precise incremental dosing, and near-zero backflow.

Automated insulin dose guidance combines glucose data, meal estimates, and user parameters to reduce calculation burden and dosing errors.

Spring-driven pressure through a short needle enables rapid prefilled syringe injection while limiting leakback and syringe breakage.

Flexible arms and a ramp-guided axial force secure syringe positioning during autoinjector assembly despite dimensional variation.

Writable RFID or NFC memory links injection add-ons to medicament identity and dosing history, reducing mix-ups after detachment.

Resilient ratchet arms and an elastic transmission element enable bidirectional dose setting with precise control and audible feedback.

Connection sensing linked to a machine-readable ID lets an add-on detect cartridge replacement and automatically log doses in reusable injectors.

A pressure-driven container holder pierces the medicament cap to create an aseptic fluid path without full clean-room assembly.

A movable container sled and pre-sterile fluid path maintain aseptic connection in large-volume injectors while reducing clean-room assembly cost.

Using hydroxyl-containing solvents such as glycerol or ethanol, this ICG formulation extends fluorescence time and avoids DMSO-related toxicity.

A nested drive housing and holder secure plunger force transmission in large-volume medicament delivery while enabling aseptic assembly.

A pre-mixed canister inside the syringe automates purging and filling to deliver sterile, accurate vitrectomy gas without manual mixing.

Axial cartridge-holder movement couples the piston rod reset mechanism, cutting parts, assembly effort, and reset complexity.

A retained closure element creates a sealed cavity for separate storage and mixing of unstable drug substances without wall contact.

A removable sensor module tracks delivered injection doses with keyed attachment, redundant sensing, and wireless dose recording.

Resilient ratchet arms with elastic preload let a syringe return to a preset dose scale while keeping precise incremental adjustment and click feedback.

A protected cavity and ejector retain used pen needles during removal, then release them into a sharps container without needle exposure.

Sensor data is sent from a low-cost drug delivery device to an external computer to verify device state, drug authenticity, and proper use.

A base, clamp, receiver, and extractor open tamper-resistant auto-injectors for refill, inspection, and reassembly without damaging the housing.

A low-viscosity annulus lubricates concentrated protein formulations, reducing injection force and pressure for subcutaneous delivery.

A separate priming mechanism and blocking action prevent unintended dispensing, while post-use syringe retraction improves intravitreal dosing safety.

A gear-and-nut dose limiter inside the dose-setting mechanism prevents overdosing while simplifying syringe pen manufacturing and assembly.

A motor-driven needle mechanism automates insertion and retraction in an auto-injector, cutting user steps, misuse risk, and discomfort.

Relative movement between module parts wakes the sensor only during user handling, improving injection function activation while saving battery power.

Electron beams sterilize the container sealing interface while blocking regions shield the container and drug from discoloration and damage.

Sloped surfaces convert straight insertion into automatic lock rotation, securing the reservoir holder without twist motions for users with dexterity limits.

Integrated storage and mixing chambers cut transfer steps, lower contamination risk, and reduce drug loss in balloon catheter delivery.

A slidable nut and resilient interface set piston rod contact during assembly, minimizing air gap for consistent dosing in mass production.

An integrated housing mount secures and orients a reusable auxiliary unit on a medicament delivery device to prevent detachment and improve monitoring.

A cam-driven follower and piezoelectric contact sensor capture injection motion to automate dose recording and avoid manual logging errors.

Separate chambers and a curved bypass keep drugs stable in storage, then enable controlled mixing or sequential injection through one needle.

A sleeve and suction path depressurize each syringe barrel before plug insertion, avoiding large vacuum chambers and trapped air.

A button-controlled pneumatic drive and vent duct improve syringe ergonomics, contamination prevention, and immediate dosing stop.

Slot-and-tab plunger locking prevents pressure-driven rollback during viscous medication filling, enabling stable hands-free syringe loading.

A histidine-buffered anti-IL-13 formulation uses sucrose and polysorbate 20 to limit viscosity and particulates while preserving stability.

A front-end syringe support shifts injection loads into compression, reducing glass barrel breakage and protecting the needle during assembly.

A pre-assembled control cassette integrates lines, valves, and bubble removal to cut setup errors, waste, and replacement time in high-pressure injection.

An outer sleeve and connecting seat let the needle assembly detach as one enclosed unit, reducing waste while keeping the syringe stable.

A moving valve boot, cannula, and pierce plate create sterile fluid connection for longer self-injection of larger drug volumes.

A removable encoder wheel and sensor module measures delivery pen rotation to improve dose accuracy while keeping the dosing hardware reusable.

A single-insertion biopsy assembly combines vacuum aspiration and formalin flush to improve soft tissue sampling consistency and preservation.

A prefilled sterile reservoir and actuator-driven unsheathed needle remove filling and swab steps while preserving drug sterility.