Ampoule Syringes TRIZ Cases

A syringe tip cap employs a fluoropolymer-coated insert to prevent material contamination while maintaining a tight seal against dimensional irregularities.

Body-attached injection devices prevent emergency forgetting by using segmentation and flexible shells for immediate medication administration.

A controller detects external power connection to disable the expelling assembly in motorized drug delivery devices.

An optical apparatus replaces bulky potentiometers with a camera system, achieving ±0.54 IU accuracy without modifying the insulin pen.

A mobile phone case assembly holds an epinephrine injection pen in a dedicated compartment.

Axially movable dose stop member limits injection volume via threaded engagement with the dose set knob.

An ultrasound probe embedded in a rigid core within an injection device plunger stopper transmits signals to measure medicament volume.

Merges cartridge holder with drive mechanism to reduce geometric tolerances and simplify assembly steps.

A container adapter stabilizes viscous fluid extraction by locking the syringe to the vessel, reducing manual handling fatigue and spill risks.

A syringe ejection device applies continuous mechanical force to the plunger for automated fluid dispensing.

A pen injector integrates a ratchet lock-out mechanism with a compressed drive spring to regulate injection speed.

A single-use auto-injection device delivers preservative-free follicle stimulating hormone via a rotatable dosing knob and sliding needle shield.

Segmenting the needle into multiple openings expands the treatment surface area while disposable cartridges eliminate complex sterilization procedures.

An integrated light housing mounts onto an oral anesthesia syringe barrel to illuminate the injection site and patient mouth interior.

A manual dispenser transfers local anaesthetics via a segmented pump chamber, resolving dosing accuracy and force requirements.

Variable pitch threads in an injection pen reduce required injection force by increasing mechanical advantage at the start while maintaining maximum dose range.

Assembly adjustment member aligns piston rod segments to eliminate manufacturing tolerances and prevent priming errors.

A plunger rod mechanism provides audible and tactile feedback during injection, preventing medicament degradation from excessive mixing forces.

Radially deflectable arms and locking members prevent unintended disassembly of disposable drug delivery devices by increasing required separation force.

Coupling body portions aligns axes to trigger a releasable retainer, advancing a plunger via a biasing element to prevent premature activation.

Encoder feedback detects plunger resistance from thin needles, allowing the controller to adjust motor rotation and maintain precise injection volume accuracy.

Nested plunger segments and a double-threaded screw mechanism reduce device length without compromising dose accuracy or delivery capacity.

Axial and rotational stops lock the dosing member in place, preventing accidental dose adjustments during self-administration.

A capillary sampler paired with a piston mechanism enables precise volumetric dilution of liquid specimens.

A fluid delivery pen dose setting mechanism produces distinct audible clicks for increasing and decreasing doses to aid visually impaired users.

Motorized transmission drives a plunger to position fat precisely, resolving manual volume control limits below 0.1 milliliters.

A medicament injector uses an interchangeable cartridge with a valve mechanism that switches from pre-injection to injection mode upon insertion.

A liquid administration device incorporates a pressing force transmission inhibiting mechanism to control gasket movement during drug discharge.

A syringe safety shield uses a spring and rotatable locking mechanism to cover the needle after injection.

A reversely pressed medicinal vial uses an integrated annular sealing gasket to secure the piston and prevent secondary pollution during dispensing.

A syringe cap uses a breaking section to separate from its mounting ring upon rotation, preventing recapping.

Dual threaded sections on the piston rod engage a reset element to prevent cartridge pre-pressurization during replacement.

A resettable drive mechanism uses a movable clutch member to disengage a stop component and allow reverse rotation of the drive member.

Nested needle cover with spring-loaded latches prevents premature deployment and post-use exposure, resolving device complexity trade-offs.

A syringe seal cap features a non-stick inner surface and projection portion for secure barrel mounting.

Needle penetration eliminates twisting motions, resolving the reliability and ease of operation contradiction.

Segmented protective covers prevent inadvertent plunger movement during storage while enabling simple activation for pharmaceutical delivery.

A pneumatic power pack uses a pressurized gas container and activation assembly to propel a plunger forward.

Distinct audible clicks during dispensing resolve confusion between dose correction and delivery phases.

A drug delivery mechanism uses angled contact surfaces to split axial force into perpendicular components that detach members under excessive load.

A portable controller calculates suggested glucagon dosages using stored sensitivity values and real-time blood glucose data.

A dose dial sleeve rotates on a circumferential path during priming to align the spindle with the cartridge bung.

A pen-type drug injection device drive mechanism integrates a control unit and interlock member to manage piston rod displacement.

A monolithic plastic lever and pawl structure simplifies assembly for disposable ejection devices.

Slotted tubular biasing elements dampen forces and minimize container movement to prevent rattling noises and breakage.

A medication drive assembly converts linear push into precise piston rotation via a guided sleeve and biasing member.

A threaded nut mechanism converts rotary knob motion into precise axial piston displacement for dose selection.

An index ring replaces fragile flexible arms to stabilize the skin sensor release, reducing material usage and ensuring reliable drug delivery.

Axially separated recesses on the plunger rod trap leaking liquid medicament, preventing fluid from reaching the drive mechanism during vertical operation.