Medical Devices TRIZ Cases

Angled vascular access port and suture-free catheter using intra-vascular flange prevents vessel wall damage.

A pivotable protector covers the needle tip to enable compact housing within small packaged articles.

Automated optical monitoring replaces manual sampling and laboratory analysis, reducing fluid consumption while maintaining precise dialysis performance.

A supervision device couples an upstream gas detector and a downstream flow detector to differentiate liquid drug presence from gas bubbles in the flow channel.

A flexible substrate sensor system detects glucose in body tissue through integrated fluid channels.

A capsule inhaler uses a spring-mounted button flush with the housing to pierce capsules through movable needles.

Segmented implant with rigid ingrowth mesh maintains clean interior surface and reduces infection risk during healing.

Wireless sensor devices detect fluid flow in implantable infusion catheters to resolve diagnostic accuracy versus procedure invasiveness trade-offs.

Segmented diaphragm regulators in a positive pressure drug reservoir prevent accidental flow and bubble formation for reliable implantable delivery.

A liquid medicine injection apparatus uses a connection member with guide grooves to direct a driving wheel protrusion along a rod for plunger actuation.

A catheter locking mechanism secures the line with a threaded cap and slotted sleeve to prevent unauthorized access.

A manual foot pump system delivers irrigation fluid through one-way valves to prevent backflow and maintain continuous flow.

A medication delivery system uses sensor feedback to control fluid flow rates, resolving errors from complex home regimens.

An orientation detector monitors tilt angles to trigger controller actions that prevent air bubbles during patient movement.

Intermediary adapter detects current flow to log vaporizing events, resolving the trade-off between device simplicity and remote compliance monitoring.

Offset plates anchor a cannula within salivary gland ducts, restoring saliva flow while preventing tissue adhesion and ensuring stable positioning.

An integrated opening mechanism breaks the seal of a pre-filled ampoule within the device to prevent contamination and fluid loss during inhalation therapy.

Cutouts guide fluid along side walls to eliminate stagnation at step parts regardless of orientation.

Bioerodible end plugs expand apertures during degradation to ensure complete drug dispensing and reduce manufacturing costs associated with laser drilling.

Calibration system redirects catheter tip force through a silicone ball to generate measurable downward pressure for accurate sensor data.

Segmentation isolates sterile components from non-sterile housing, eliminating terminal sterilization costs while preserving fluid purity.

A home relaxation device integrates holographic projections with nerve stimulators to deliver immersive sensory experiences.

Self-generating gas from an endothermic reaction inflates an expandable member to apply constant pressure, eliminating the need for refrigeration.

A prophylactically implantable lumen-obturated graft uses a removable silicone obturator to maintain a patent tube graft lumen.

A handheld aerosol generator employs a pneumatic trigger mechanism that converts inhalation pressure into mechanical motion, eliminating electronic components.

A peritoneal dialysis system uses a vacuum source to drain fluid from the patient's cavity.

Hinged protective case isolates insulin infusion needle and hub from contamination using disposable sterile barriers.

Rotatable support legs adjust to seal the wound area, applying negative pressure to reduce tissue edema and bacterial load without mechanical punctures.

Patsnap Eureka TRIZ case analyzes authentication credentials that mitigate security risks while maintaining wound healing rates.

A sliding sleeve shields the atomizer plate to prevent dust accumulation and maintain consistent mist dispersion.

A compact medical remote control uses a single actuating button to generate wireless signals for instrument operation.

A filament wrapping and reflow system manufactures elongate medical devices by melting thermoplastic filaments around an elongate substrate.

Alternating magnetic poles on an annular member simplify mounting complexity while enabling accurate rotational angle detection via Hall sensor state switching.

An inverting conveyor mechanism delivers treatment agents within a medical device sleeve.

A wireless electroencephalograph headset uses dry electrodes to monitor brain waves and deliver adaptive conditioning stimuli.

Condensable vapor ablation probes remove prostate tissue while preventing carbonization and inflammatory responses.

A mechanical infusion pump uses gravity biasing weights to drive a syringe plunger for controlled medication dispensing.

Nested piezoelectric sensors monitor micropump pressure to detect occlusions without increasing structural complexity.

A cerebrovascular treatment device adjusts injected fluid flow rates using distributed oxygen sensors to maintain safe brain tissue levels.

An inhalation device uses a piezo transducer with a mechanical spacer to create an air space that increases displacement without raising power consumption.

An integral access port on a transfer set enables direct insertion of disinfecting light sources.

A noise masking device adjusts signal characteristics using brain activity sensors to optimize user comfort.

An isolated seat in the wrapping walls houses a temperature reading device to prevent contamination while maintaining reliable data during freezing.

A controller injects secondary fluid through a conduit to advance remaining primary fluid toward the recipient.

A segmented clamping device joins body parts via an intermediary connector to secure flexible hoses without pre-installation.

A urinary catheter uses a dynamic retainer portion and an extendable flap to secure placement inside the body for extended periods.

Segmented radial projections stabilize the elastic valve body, enabling reliable male connector insertion and preventing liquid leakage.

Pressure-based measurement replaces unreliable level sensors to prevent air infusion into the patient bloodstream.

Bi-directional peristaltic pumps dislodge clots via pressure feedback, enabling uninterrupted single-handed aspiration.