Diagnostics TRIZ Cases

A pre-assembled medical fluid flow system uses a micro-organism filter to maintain sterility between components.

Electromagnetic sensors replace high-frequency CT scans to track organ movement and guide instruments without radiation exposure.

A clamping retractor assembly uses an adjustable stop mechanism to control tissue pull during spinal procedures.

An arcuate connecting element in a surgical impactor reduces tissue trauma while maintaining visibility during minimally invasive joint socket implantation.

A transcutaneous implant tool uses a fin engaged beneath skin to stabilize an injection rod pushing a medical element through a bore.

Guide maintains instantaneous axis of rotation during osteotomy by aligning bone portions to prevent non-anatomic joint function.

A manual release lever disengages drive cable capstans to allow safe end effector removal.

High-frequency oscillation cuts bone and soft tissue without pulverizing it, preventing nerve damage during minimally invasive procedures.

Nested shaft sections with bayonet locks adjust length to reach deep cavities while fitting standard sterilization trays.

Inhibiting GPR68 in pancreatic cancer fibroblasts overcomes stromal drug resistance and improves chemotherapeutic delivery.

A surgical clamp assembly uses an elastomeric strap to form a clamping loop around a bodily lumen through a deployment tube.

Segmented linkages with dynamic resistance sensors simulate natural gait motion while reducing device complexity.

An auxiliary instrument equipped with a tracking device enables real-time visualization of removed tissue volume during minimally invasive procedures.

Motor-driven surgical instrument uses sensors to provide mechanical and electrical feedback for precise tissue manipulation.

A bio-clip integrates a photo-reactive fluorescent indicator to mark tissue locations during laparoscopic procedures.

A seal assembly with a housing and encapsulate shields electronic components from high pH cleaning solutions and autoclaving cycles.

A ratcheting handle with a torque coupler limits force in one direction while allowing maximal rotation in the opposite direction.

Segmented cam mechanisms multiply closure force to resolve the contradiction between small cross-sectional area and high force application.

A dual-chamber syringe uses a crushable barrier to combine separate liquid and solid components inside the device.

A medical insertion unit uses a bending sensing unit and controller to adjust operation based on sensed bending.

Segmented attachment elements engage thrombus proximal face to reduce tissue injury risk during retrieval.

A surgical system generates customized implant plans using historical patient data to optimize placement precision.

Collapsible staple-like implants expand to restore disc height and anterior column support, reducing incision size and muscle trauma during spinal fusion.

A tissue modification device advances through a neural foramen to precisely remove target spinal tissue.

A robotic surgical valve integrates manual and remote actuation to manage fluid flow within the instrument housing.

An electrosurgical generator detects cable coupling by measuring output port current and voltage against internal compensation parameters.

A locking shipping wedge assembly secures the drive assembly within a surgical instrument loading unit using a transverse member and lock plate mechanism.

A surgical instrument test end effector measures tissue properties using integrated sensors to determine suitable treatment devices.

A control system manages motor load and velocity thresholds to actuate surgical clip appliers with precise staged formation.

A balloon catheter uses independently selectable electrodes to deliver non-thermal irreversible electroporation pulses.

Segmented drapes maintain sterile fields while allowing 3D imaging device movement without contamination.

Diagonally opposite snap-in noses engage instrument notches to secure transponders without protrusions that compromise ergonomics or cleaning.

Two-shot injection moulding forms durable, visible markings by injecting a second material into a mould containing an interim component.

A calibration assembly with a biasing member calculates correction factors to ensure strain gauge accuracy in reusable surgical devices.

UV-absorbing additives in polymers allow durable laser markings that resist fading from repeated cleaning and sterilization.

A wear-compensated torque-limiting driver uses a cam bearing assembly to distribute mechanical stress across a larger surface area.

A tissue thickness compensator adapts to varying tissue depths using a compressible cartridge and adjustable anvil, ensuring consistent staple formation.

Planar remote center of motion assemblies constrain surgical instrument axes to pass through a fixed point within a defined plane.

A surgical console registers wireless instruments via identifying data to establish two-way communication links.

Hinged rod and cutting guides align femur and tibia along the mechanical axis to resolve precision trade-offs in knee arthroplasty instrumentation.

Break points allow surgeons to adjust screw length during implantation, eliminating pre-measurement and reducing inventory complexity.

Curved double blades distribute pressure evenly across ribs, preventing fractures during cardiac surgery.

Segmented components assemble inside the joint to measure anterior-posterior dimensions, reducing incision size requirements.

Inflatable toroidal balloon eliminates air pockets and prevents applicator displacement for consistent dose delivery.

Mechanical stimulation of the cymba conchae reduces bleeding time by inhibiting proinflammatory cytokines without invasive surgery.

Single-piece optical measuring element uses outer surface notches to define flexible zones for external fiber attachment.

A needle apparatus uses a sliding mechanism to adjust penetration depth relative to the cannula.

A colpotomy system uses electromagnetic transmitters to calculate instrument distance for precise surgical placement.

Pressure sensors detect grip force while vibrators provide tactile feedback, resolving the trade-off between operator control precision and system complexity.