Diagnostics TRIZ Cases

A bone sizing guide with a sliding and rotating superstructure measures femoral implant dimensions.

A surgical stapler body uses an identification part to read cartridge data and a control unit to adjust the firing rod stroke for stable operation.

Bioabsorbable casing promotes controlled tissue remodeling around magnetic beads, preventing erosion and reflux without invasive surgery.

Flattened contact surfaces on locking pins reduce surface pressure and manual unlocking force in high-load medical holding arm joints.

Virtual reality system renders patient-specific vision profiles to simulate pre and post operative visual outcomes.

Segmented stop members constrain the drive assembly to limit staple line length, preventing staples from ejecting into the body cavity.

Control system compensates cable friction and compliance in medical robotic linkages to maintain position estimation accuracy.

A trajectory guide restricts instruments along a selected path using a movable support and fixation device.

A ring form surgical effector integrates a circular rail and electrical circuit for remote instrument control.

Statistical reference surfaces on A/P sizers enable precise femoral prosthesis alignment within minimally invasive incisions.

Thermal cauterization of the fractured vertebra seals blood vessels to prevent bone cement extravasation into the bloodstream, eliminating embolism risk.

Single-body surgical guide merges alignment features and tool openings to resolve complexity trade-offs in ankle replacement surgery.

An erosion fuse design separates electrical and mechanical paths in RF hand instruments to ensure safe tip removal.

Articulating blade cutter creates bone sockets through narrow cannulas, reducing fragmentation.

Removable rails integrate load sensors to detect pressure forces, preventing excessive limb loading and object interference during patient mobility.

A surgical instrument holding device fixes the detecting mechanism on a stationary bracket to prevent detection accuracy loss caused by rotating components.

Longevity circuit monitors activation counts and durations to disable therapy signals in surgical handpieces.

A head-mounted electro-optical camera tracks surgical instruments via target carriers to provide spatial measurement data.

Dynamic light positioning overcomes fixed-source limitations, allowing uniform irradiation across large or irregularly shaped chronic wounds.

A vaso-occlusive device uses a composite core and outer layer to balance mechanical strength and flexibility for effective aneurysm filling.

Axial flag member contacts sensor to signal end stop, resolving reliability trade-offs against motor current measurement complexity.

A reciprocating pusher bar advances surgical clips into open jaws while maintaining contact to preserve alignment.

Pulsed RF delivery prevents steam pops during ablation by modulating power based on real-time tissue feedback.

A microwave applicator uses dielectric fillers to focus energy deep into tissue while cooling the skin surface.

A sensor-based apparatus tracks treatment device position to estimate skin coverage areas during light pulse operations.

An elastic tubular colpotransilluminator sleeve adapts to vaginal anatomy while maintaining a secure gas-tight seal on the uterine manipulator.

Opposite polarity activation prevents shielding effects, ensuring uniform temperature gradients and reducing heat loss through blood vessels.

Orientation sensors detect instrument gestures to adjust energy settings, reducing the learning curve for endoscopic procedures.

An ultrasonic transducer measures chest compression depth by reflecting pulses off the spine, providing rescuers with accurate feedback on compression quality.

A portable orthopedic fixation device uses modular carriers and elongate members to stabilize long bone fractures with minimal soft tissue damage.

A flexible medicine reservoir port integrates drain channels to minimize dead volume and ensure complete drainage of liquid medicaments.

A navigable cutting block with guide surfaces and tracker holes positions precisely on bone for resection.

Photo-oxidative surface treatment enhances fibronectin adhesion on intraocular lenses, preventing secondary cataract without complex laser equipment.

A puncture needle tube rotates within a sheath to align its opening with an ultrasonic scan plane.

An elastic section in a reversible bone plate template switches the contact surface to match asymmetric anatomy, reducing trial inventory.

A visual feedback mechanism monitors anvil position relative to the stapling head, ensuring precise gap control for secure tissue compression.

A catheter access port integrates a UV-C light source to sterilize the device directly.

A rotating contact member twists the left atrial appendage to achieve secure occlusion.

Augmented reality devices overlay virtual anatomical models onto patient views, resolving the trade-off between diagnostic accuracy and patient comprehension.

A laparoscopic cutting instrument uses a laterally pivotable blade and rotatable outer sleeve to remove cervical tissue.

Disposable reservoir liner encapsulates enteral feeding material to prevent external contamination during delivery.

A generator tracks instrument activation duration to trigger warnings before deactivation.

Printed visual indicators on sterile drapes bridge information gaps, reducing clinician errors without increasing device complexity.

Electronic system aligns cutting implement to replicate reference planes on tibia and femur surfaces for prosthetic knee joints.

A slotted cannulated shaft integrates depth measurement and navigation tracking into one bone implant tool.

Segmented bone plates with anatomical contours distribute stress evenly across fracture sites, preventing osteonecrosis while maintaining stable fixation.

A force-balance interface translates user-applied handle force into amplified pressure on jaw members.