Jet Injection Syringes TRIZ Cases

A needleless syringe uses transversal slots in a gas cannon to accelerate therapeutic particles through staged pressure release.

A liquid jet discharge device uses a pressure wave in a transmission medium to eject a focused jet from a narrow tube.

A needleless injection device uses negative pressure cooling and low-frequency vibration to facilitate precise subcutaneous liquid delivery.

A manual nasal delivery device nebulizes liquid substances into aerosols using an annular expansion and acceleration chamber.

Frontal buttress registers syringe shoulder to ensure accurate needle depth and reduce flange fracture risk.

Stationary hollow sleeve opens leaktight passage without needle perforation, eliminating stopper particle contamination and duct blockage risks.

A pen-like delivery system integrates a vial and dosing mechanism to enable high-pressure medicament injection with reduced user effort.

A needleless injector uses a tapered protrusion to maintain stable ejection port contact with the target region.

Thermal vaporization of fluid in a chamber creates pressure to eject medication without needle penetration, eliminating tissue injury and pain.

Segmented nasal plugs manage drug volume and patient comfort by absorbing therapeutic agents through capillary action while repelling excess liquid.

Machining away a sacrificial tip exposes a clean orifice, preventing flash and voids that degrade injectate flow.

Segmented particle sizes resolve the pain versus penetration trade-off by using larger openers to create capillary channels for smaller drug carriers.

A syringe sealing member separates combustion and injection chambers to transmit ejection energy while confining byproducts.

A preloaded injection device uses a pressure-responsive control valve to regulate fluid outlet flow.

Segmented front assembly allows worn components to be replaced without discarding the receiving block, reducing contamination risks and maintenance costs.

Transportation device atomizes biological materials via carrier fluid pressure gradients, resolving turbulent flow and cell damage trade-offs in gene transfer.

Segmented end pieces adjust channel distance while fixed cylinders maintain mechanical stability.

Segmented retaining tabs with inclined ramps reduce friction between the striker and cover, preventing plastic deformation during gas generator triggering.

Motorized plunger actuation in a needle-free injector enables precise multi-depth delivery while eliminating operator safety hazards from needle handling.

A tapered filling nozzle in an adapter housing enables hygienic fluid transfer while preventing air contamination.

A needle-free injector uses a solenoid coil and separation membrane to propel drugs via magnetic repulsive forces.

A metal plate-like sealing member separates ignition and piston spaces in an administration apparatus, transmitting combustion energy to eject a substance.

Biodegradable polymer microimplants form in situ to house drug compositions, resolving sharp edge versus material flexibility trade-offs.

An oscillating needle injects liquid polymer solutions that precipitate into solid drug-bearing microparticles within tissue.

Segmented needles prevent rapid fibrin formation and clogging during spinal disc injection procedures.

A disinfecting cap secures needleless injection sites via a deforming compliant wall, preventing loosening while maintaining antiseptic sterility.

Merging multiple caps into a compact assembly prevents waste and simplifies cleaning while maintaining hermetic sealing for each connector.

A micro-jet drug injection device uses a nozzle closure mechanism to prevent external air from entering the drug chamber during ejection cycles.

A cam-driven interlock mechanism prevents accidental multiple doses in autoinjectors by restricting rotational movement until the user resets the trigger.

A liquid jet deforms a material target area while high-speed imaging detects the resulting surface displacement to determine local mechanical properties.

Segmented pyrotechnic charges with different combustion rates create controlled pressure profiles, resolving reliability issues in needleless injection devices.

Laser heating boils liquid in a microfluidic chamber to eject jets, resolving tissue damage and energy consumption trade-offs.

A needleless injection device uses pneumatic pressure to drive a piston member for rapid drug delivery.

Self-service recocking via slidable cover member eliminates awkward manual reset procedures for reusable training devices.

Multiple outlets segment the microjet to compensate for skin variations, ensuring uniform permeation while minimizing pain and bleeding.

Laser pulses compress fluid in a pressure chamber to eject dye via a nozzle, eliminating needle pain and improving hygiene.

A connector valve arrangement manages fluid flow direction and cracking pressure thresholds within a pressure normalization channel.

Disposable nozzle assemblies eliminate gas replenishment needs while skin tensioning rings stabilize tissue for accurate fluid delivery.

Packaged vaccine cartridges use cationic lipid mediators to enhance gene expression and immune response.

A particle injector uses spatial filter mask features to modulate light from drug particles for delivery tracking.

A pneumatic injection device uses a driven unit to slide an air source against a piercing needle for fluid delivery.

Compressed air reservoirs drive a plunger for precise inoculation, eliminating unpredictable mechanical spring failures and reducing operational complexity.

A laser-driven injection tip generates internal pressure to propel liquid material through a nozzle into skin tissue.

A needle-free injection device uses a shaped contact plate and sensor to detect animal skin for automated fluid delivery.

Electric pushing mechanism drives syringe plunger for precise tissue injection while feedback module detects clogs to prevent excessive dosage.

A needle-free injector uses a multi-port nozzle assembly to deliver precise serial injections of high-viscosity cosmetic injectates.

A frangible plunger region breaks during injection to auto-disable the nozzle assembly, preventing contamination from reuse.

A smart medicament delivery system uses physiological sensors to automatically inject naloxone without user intervention.

A particle delivery device uses pressurized gas to accelerate biologically active molecules into target tissue through a needle.

A pen-type injection apparatus uses a thermoelectric cooler and vibrator to numb the skin at the needle insertion site.