Ampoule Syringes TRIZ Cases

A multi-chamber injection system uses a fluid conveying assembly to dilate stoppers and mix drug components within the syringe body.

A drug injection device uses an outside air temperature sensor to track ambient conditions and display storage status information on a component.

A parenteral injection sled with a sleeve guides an injector to set needle orientation and depth.

Mechanical coding features prevent incorrect cartridge connections, eliminating risks from visual identification errors and ensuring safe medication delivery.

A pulsatile flushing system disrupts laminar flow in medical device lumens to enhance air bubble displacement and removal.

Distinct button movements differentiate pre-ready and ready states, resolving preparation accuracy issues in pen-type injectors.

Separate control and drive springs manage injection forces to prevent wet injection issues and ensure reliable dosing accuracy.

A syringe system accepts interchangeable carpules of varying volumes to deliver precise fluid amounts.

High-speed rotation of a bone penetrating needle overcomes difficult vascular access in emergency patient populations.

Motor body contact surfaces engage cassette sidewalls to align components, reducing friction and jamming from tight tolerances.

A reusable manual drive unit interlocks with a disposable cassette containing the syringe and needle for drug delivery.

A deformable ring secures injection syringes axially through elastic shape changes.

Segmented sensors and a processor resolve the contradiction between measurement precision and device complexity in injection devices.

A drug delivery device mixes two products using a movable separating member, ensuring proper mixture reliability without complex external mechanisms.

A syringe features a proximal aperture with a sliding cover to load viscous bone cement.

A medical discharger uses a movable carriage to hold a sealed fluid container, establishing an automatic flow path upon insertion.

An automated sensor system tracks the rotational and axial position of a drug delivery indicator, replacing manual logs that cause recording errors.

A medicament delivery device uses a mixing force member to move housing parts and actuate a plunger rod for automatic mixing.

A dose delivery device uses a direct thread engagement between the push button and piston rod to translate rotation into linear motion.

A needleless injector uses a link mechanism to integrate reloading and triggering functions within a single cylinder housing.

An illuminated medication delivery device uses a light guide to brighten the display window, resolving low-light readability issues for visually impaired users.

Segmented mechanism members with coding systems resolve the contradiction between safety reliability and multi-drug adaptability.

Butyl rubber needle caps on pre-filled syringes restrict water vapor permeation, preventing needle clogging in high-concentration antibody formulations.

A medicament delivery device integrates a protective cap with an actuator member via a longitudinal interlocking mechanism.

Segmented foam chambers fix syringe components against pressure-induced plunger displacement, preserving sterility and reliability during storage.

Encoder feedback monitors plunger position to detect stalling and adjust motor torque, preventing glass breakage while ensuring reliable injection completion.

Segmented cover design enables industrial assembly of pre-loaded carpule syringes while locking mechanisms prevent accidental ejection and ensure safety.

Abbreviated non-patient ends on disposable pen needles minimize needle stick injuries while reusable interfaces pierce septums for reliable drug delivery.

A wearable infusion pump uses optical sensors to track stopper position for continuous dose monitoring.

Dual optical sensors decode rotatable component signals to distinguish dose dialing from delivery modes, ensuring accurate insulin tracking.

A pressure detection module monitors insulin cartridge conditions to identify air bubbles and occlusions within the infusion line.

A medicament injection device uses a rotatable cap assembly to release a pre-stressed spring for automatic needle insertion.

Capacitance proximity sensors detect skin contact to prevent drug leakage and ensure accurate delivery.

Annular projection on laminated gasket ensures liquid-tight seal while inert resin film reduces sliding resistance without silicone oil.

A nested syringe assembly houses a smaller inner barrel within an outer cylindrical body to reduce overall volume.

Sliding sleeve releases plunger retainer to advance spring drive, preventing premature activation.

A dose setting mechanism uses a two-part drive sleeve coupled by spring means to maintain accurate positioning during dispensing.

Segmenting the pen into reusable and disposable portions reduces waste while maintaining ease of operation through quick cartridge replacement.

A resettable drive assembly uses locking means to enable piston rod resetting in drug delivery devices.

Lockable mechanism prevents BFS vial reuse to reduce infection risk while aiding users with low grip strength.

A variable latching injection device adjusts dosage increments through a rotating setting part and dynamic latching positions.

A delivery member attachment device uses slits to create flexible tongues that allow axial pushing of the connection part onto a threaded neck.

A prefilled disposable injection device incorporates a passive safety shield that automatically deploys over the needle after drug delivery to prevent accidental reuse.

A lead screw assembly incorporates a feedback ratchet mechanism to generate audible clicks during dose setting and delivery operations.

A prefilled medical injection device integrates a detachable needle assembly within a bellows structure for Blow Fill Seal manufacturing.

An integrated cartridge assembly automates medication selection and delivery via a manifold with puncturers and one-way valves.

Universal geometry reduces production costs by allowing conventional filling facilities to serve multiple administration formats.

Segmented reservoirs and universal actuators enable variable dosing of complex drug combinations while simplifying device operation.

A medicament delivery device uses a unidirectional ratchet mechanism to enable precise sensor detection of plunger rotation during dose expulsion.