Ampoule Syringes TRIZ Cases

Gear guidances return a stop wheel to a non-tilted position, preventing over-dosing without elastic elements.

A pneumatic syringe driver actuates plunger movement using pressurized air to control fluid flow within the system.

A system provides personalized insulin dosage recommendations based on blood glucose data and adherence tracking.

Asymmetric crown teeth on a drug delivery clutch resolve reliability issues by providing distinct ramped angles for clockwise and anti-clockwise rotation.

Motion sensors in a medicament injection device log user behavior, resolving the trade-off between tracking precision and device complexity.

A dual plunger drug delivery system uses separate springs to manage injection mechanics.

A rotating screw dosage system converts linear push button motion into precise plunger rod advancement for multi-dose medicament delivery.

A syringe dose divider uses a concave shell to provide tactile feedback through variable interference with the barrel.

Merged syringe and LED lamp system eliminates manual repositioning of external lights to improve visibility.

A drug delivery device uses a body contact sensor to trigger user interface changes that indicate injection readiness.

Corrugated locking elements maintain stable control forces during repeated strokes, preventing ageing-induced failure in pharmaceutical and cosmetic dispensers.

A torsion spring pre-charge method simplifies drug delivery device assembly by rotating components in threaded engagement.

A dock-mounted drum actuator magnetically drives a syringe agitation component through reciprocating motion.

Biodegradable plastic components in a drug delivery device reduce environmental burden while maintaining mechanical stability during operation.

Segmented compartments prevent premature mixing while the plunger drives precise application of sterile hydrogel formulations.

Circular bypass maintains rotational symmetry for reliable optical inspection while enabling efficient liquid transfer between chambers.

A low volume injector uses a motor actuated by a dosage regulator to expel viscous substances through a small needle at a controlled rate.

Disposable transfer device passively warms chilled injectables and automates vial mixing to reduce contamination risks.

Segmented angled surfaces at the needle cannula proximal end prevent septum coring during injection device assembly.

A medicament delivery device uses a mechanical spring system to drive controlled mixing and injection of dual-chamber contents.

Nested syringes with a rupturable membrane jet components to prevent premature destabilization of two-part dental compositions.

A drug delivery device uses diaphanous components and an optical detector to monitor internal movements during dose setting and dispensing.

A reagent preparation device uses a plunger and vent path to mix solutions precisely.

A flexible tubular device mixes bone material with fluid using a frangible barrier and plunger mechanism.

An anesthetic syringe integrates a nerve detector with an illuminated indicator to guide precise needle placement near target nerves.

Coaxial tubular carriers in medicament cassettes enable secure drive engagement while lowering manufacturing costs through segmented design.

Magazine assembly stores multiple needles in sealed hub chambers with connectors and enclosures, preventing reuse while maintaining sterility.

Segmenting the clutch disengages spring resistance during dose setting, resolving the trade-off between drive power and user dexterity.

Segmented drive and holder modules reduce device length while maintaining reconstitution capability, solving the one-handed operation bottleneck.

A dialysis circuit priming device uses a needle cap to connect two needles via an internal flow path for automated fluid handling.

Gray code position encoder and clutch mechanism measure dose sizes while minimizing power consumption.

A modular autoinjector platform uses a variable ram spacer member to accommodate cartridges with different fill volumes.

A spring element stores mechanical energy during dose setting to assist with fixed medicament dispense.

Rotating a dose set member adjusts the lead screw position to correct medication volume before delivery.

Electronic circuits in a medicament delivery system output signals during actuation to resolve operational complexity and improve patient adherence.

A medical injector uses a rotatable knob to activate a spring-driven sleeve and plunger, enabling automated drug mixing.

A supplemental device attaches to an injection pen to automatically track medicament doses using optical character recognition and a processor arrangement.

Inclined projections on the syringe cap body transmit pinching force to the entire circumference, suppressing slip during detachment.

An integrated cartridge holding unit merges the cover and cap into one assembly, reducing the number of steps required for injection device mounting.

A syringe seal cap uses a projection portion to engage an annular recess on the barrel end.

Segmented piston rod ratchets and pawl elements lock dose dispensing positions, resolving reliability versus complexity trade-offs in drug delivery devices.

An angled injection button drives a plunger through a gear mechanism to prevent deeper needle insertion and stabilize the administration process.

A dispensing mechanism uses a ratchet and resisting pawls to convert displacement into controlled medicament expulsion.

Pre-assembled spacer eliminates axial clearance between piston rod and cartridge piston, removing the need for user priming procedures.

A pen needle magazine uses a rotating selection ring to expose individual needles for injection.

Capacitance sensing detects leakage and measures injection volume by monitoring electrode field changes, resolving precision versus complexity trade-offs.

A segmented autoinjector uses biasing members to break an ampule and drive medicament through a needle.

An adjustable syringe needle adapts to individual skin thickness variations, ensuring precise dermal injection depth and preventing vaccine leakage.