Ampoule Syringes TRIZ Cases

A single-use injector uses a helical guide groove to retract the needle into a safety shield, enabling intuitive self-administration.

A flexibly deformable housing absorbs mechanical impact through controlled elastic or plastic deformation to protect internal components.

A medication delivery device uses a guiding element and volume limiter to simplify injection.

A motorized micro-injection device uses a qualitative controller to drive plunger displacement for precise volume delivery.

Auto injector processing unit prevents process initiation when residual battery voltage falls below temperature-dependent thresholds, avoiding stuck cartridges.

Segmented push rod mechanisms enable multi-dose delivery while maintaining simple manufacturing and reliable dose control.

Segmenting dose setting from injection chambers isolates backpressure, preventing leakage and ensuring accurate intradermal medication delivery.

Rotation overcomes static friction before advancement, while a collapsible plunger with a radial torsion spring adapts to varying container diameters.

A removably attachable electronic dose measuring device uses a magnetizable element to maintain a fixed spatial relationship with the injector body.

A single elastomeric component merges sealing and injection functions, reducing device complexity and cross-contamination risks during lyophilization.

An injection pen information collection device uses a gyroscope and accelerometer to detect knob rotation and pen movement for dose calculation.

A flow communication unit integrates a pressure-controlled valve and preservative system to manage fluid paths between drug reservoirs and needle assemblies.

Automated drive system controls bidirectional pusher motion to minimize needlestick risks during multi-fluid dispensing.

An automatic injection applicator uses linear motors to compress cartridges and expose needles for controlled drug delivery.

Integrated piercing element guides membrane penetration during bayonet connection, preventing radial tearing and drug leakage.

Lubricant-infused materials and cam followers reduce friction variation in automatic injection syringe retraction assemblies.

A medical injector uses a movable needle mounting surface that transitions from retracted to extended positions.

Integrated medical device employs dual display segmentation and proximity sensing to distinguish priming from injection events, reducing human error in logging.

A carrier with a metal base and polymer upper section directs heat flow through tubular pharmaceutical containers during the freezing stage.

Nested latch elements reduce radial deformation on glass cartridges during assembly, preventing fracture.

A drug injection device uses deflectable transducers to register activation signals from serial protrusions.

Hydrogen peroxide generates a sterilizing atmosphere inside a sealed package, maintaining sterility for complex medicine administration devices during storage.

Separate reservoirs with automatic secondary dosing resolve complexity trade-offs while ensuring accurate multi-drug delivery.

A low-friction sock envelops the tubular membrane portion to limit resistance against the glass reservoir wall, enhancing jet power and injection efficiency.

Radial compression of an elastic cap prevents drug solution leakage and adherence during freeze-drying by maintaining secure luer engagement.

A medicament dispensing device tracks formulation expiration using a microprocessor and timer to detect syringe attachment.

Segmented controller units optimize power consumption in drug delivery electronics by separating dose measurement from complex data processing tasks.

A plunger stopper uses a cycloolefin body with materially bonded sealing rings to maintain seal integrity.

A dose setting mechanism pre-loads a cartridge bung via axial dial sleeve movement to close manufacturing gaps.

An integrated mechanical interlock blocks trigger movement while a protective boot covers the needle, preventing accidental firing and medicine waste.

Segmenting the reusable device from disposable cannulas resolves the trade-off between health safety and medical waste in chronic drug administration.

Torsion drive spring mechanism enables precise medicament delivery through manual dose setting and distal activation.

A disposable pre-filled syringe uses a nested chemically inert inner tube within a plastic protecting tube to prevent chemical leaching.

Segmented reusable capture module uses optical detection to log drug volume, avoiding high manufacturing costs of integrated electronics.

A supplemental device uses an optical sensor and reflective element to capture dosage data while keeping the window visible, reducing power consumption.

Processor schedules high-power operations against data transfer intervals to prevent voltage drops that cause power interruptions in drug delivery devices.

A replaceable cap houses a timer unit and switch mechanism to display elapsed time since the last insulin dose.

A drug reservoir covers coding elements with a tear-away feature to prevent incorrect cartridge use and counterfeiting.

A computer-controlled injector uses an annular electromagnetic detector to read and write medicament cartridge data regardless of rotational orientation.

A portable device circulates therapeutic fluids through a joint capsule using a pump and valve system monitored by fluid sensors.

A drug delivery device safety mechanism blocks port access during needle use to prevent electric shock hazards.

An automated drive system moves a stopper within the barrel to fill the fluid reservoir, eliminating tedious manual filling operations.

A pharmaceutical delivery device uses a stationary plunger to allow manual injection rate control during automatic needle insertion.

An oval gasket with inclined engaging claws reduces injection head size, enabling installation in compact CT rooms without backflow.

A storing cannula captures ejected solution fractions from an injection device vent outlet, preventing dispersion and reducing physician exposure.

A magnetic sensor system detects rotational position and speed of a drug injector clutch element to log expelled doses accurately.

A dental syringe delivers endothermic gas to numb injection sites before needle insertion.

Segmented holder parts fix pen devices to resolve stability complexity trade-offs in injection systems.

A self-regulating electronic circuit controls piston movement in an injection pen, preventing overdoses by enforcing prescribed dosage schedules.

A holding element radially retains a deformed circlip to prevent relative movement of the medicament container under strong axial forces.