Diagnostics TRIZ Cases

Independent carriage rotation resolves the trade-off between structural stability and navigational flexibility in rigid catheters.

A tunnel notcher and guidewire delivery device creates a precise notch in bone tissue to position a guidewire adjacent to an inserted bone plug.

Capacitive elements encode instrument identity to prevent unauthorized use and track usage limits during energy-based procedures.

Force sensors provide real-time feedback to a control system that adjusts motor velocity, preventing tissue damage during electrosurgical procedures.

A bilateral rehabilitation device uses adjustable lockable joints to reorient rotary interfaces for versatile limb exercise configurations.

Segmented humeral osteotomy and ulnar torsion correction restore joint alignment, reducing medial condyle load.

Axial winding roller movement engages a scotch structure to lock bracing wire tension without complex multi-part manipulation.

Segmenting the needle body into layers with distinct acoustic impedances resolves visibility trade-offs while maintaining biocompatibility and conductivity.

Axial dithering motion enables real-time force monitoring to detect stuck medical instruments, preventing tissue damage by adjusting retraction speed.

Segmented components and a hinged shaft expose internal parts, reducing labor-intensive cleaning time.

Segmented impermeable sheets bonded with peelable adhesive enable tool-free removal while maintaining surgical site integrity.

Disposable medical clamp light merges illumination with the handle to eliminate external lamps, reducing procedural time and tissue damage risk.

A surgical closure lock biases toward a top portion of the actuator to maintain jaw position.

Segmented manipulator links slide within an extending sterile shroud, maintaining purity while crossing non-sterile surgical fields.

Positioning the cylindrical member 25 to 80 mm from the distal end reduces interference with the femur medial condyle during drilling.

Replacing electric motors with a pneumatic system and fluid regulator resolves MRI interference while maintaining consistent torque control.

Motor current monitoring replaces lost tactile feedback in automated intraocular lens injectors, alerting surgeons to resistive force deviations.

Segmented housing and composite chassis mount internal components for precise alignment while enabling sealed battery ejection to reduce medical waste.

Non-metallic coupling apparatus withstands sterilization cycles while maintaining signal integrity for accurate surgical object tracking.

A reusable force sensor measures contact forces on surgical instrument terminal ends to enhance measurement accuracy.

Horizontal sliding accessory rail allows temporary equipment relocation without damaging modules or disrupting medical procedures.

A medical optical fiber guidewire converter couples fibers of different core diameters using a tapered connecting optical fiber.

A robotic surgical tool uses a state machine to detect user inputs and switch between operational modes.

Extended guidance flex members establish coaxial alignment before puncturing, preventing misalignment and medicament wastage during drug transfer.

A surgical hub derives procedural context from perioperative data to link disparate medical databases.

Segmenting access via a penetrating instrument and intermediary electrode avoids damaging surrounding healthy tissue during impenetrable tumor ablation.

A position determinator and image generator adjust surgical display content based on real-time viewer identity and device location.

A channel member on the handle portions restrains lateral movement of blade portions, preventing splaying when cutting tough fibrous tissues.

A hybrid spatio-temporal pattern sequence projects binary de Bruijn and edge detection codes to decode structured light for 3D surface reconstruction.

A clip and frame assembly secures pedicle access devices to maintain precise trajectory alignment during spinal procedures.

Separating annular knife from carrier during anvil opening shields the cutting edge, preventing clinician injury.

Segmented shaft parts with a cleaning gap prevent liquid ingress during sterilization, enabling effective rinsing without disassembly.

Packaging bottles with 80 to 99 percent empty volume enable complete wash-out of active pharmaceutical ingredients into infusion liquids.

Segmenting self-diagnosis into pre-operation and post-treatment phases identifies parameter deviations without delaying patient treatment.

Optical and acoustic sensors detect needle degradation to prevent re-use of damaged components.

A surgical forceps trigger assembly uses a gear and spool mechanism to translate handle motion into precise jaw movement.

A configurable catheter handle uses a detachable plug to adapt between irrigated and nonirrigated procedures.

Flexible shape memory alloy frames eliminate tissue erosion risks while adhesive coatings reduce thrombogenicity in physiological structures.

A compact implantable pacemaker delivery tool enables in-situ sensing evaluation without withdrawing the device from the implant site.

A virtual orientation aid displays a model shape on a screen to guide instrument positioning during surgery.

Integrated suction and irrigation channels in a curette evacuate infected tissue while protecting adjacent healthy structures.

A portable V-band wrap combines vibration therapy with endothermic gel packs for targeted pain relief.

Ball stud accommodation depression aligns actuator pivot axes, reducing driving torque requirements in compact gait assist devices.

Segmenting irrigation and suction pathways prevents tissue blockage in handheld electrocoagulation cutters, ensuring thorough cleaning during surgery.

An adjustable spacer assembly in a surgical compression gauge controls tissue thickness and measures reactionary force to resolve hemostasis reliability issues.

A surgical robot support body moves to align the patient site with the mechanical arm actuating end.

A side-port catheter vestibule creates a gap between the device tip and the catheter body to facilitate wire advancement.

A syringe port with an elastomer sealing member and single-use locking mechanism secures the connection.

Reciprocating cleaning head removes radioactive contaminants while protective housing prevents mechanism damage.