Diagnostics TRIZ Cases

Reusable mating members let surgical instrument housings reopen for internal servicing without damaging the original seam fastening.

Indirectly reconstructs inaccessible bone-contacting surfaces by mapping opposing joint geometry across motion, avoiding direct registration and X-rays.

A drop-on carriage clamps to standard OR table rails for stable, precise patient positioning with single-handed adjustment and easy sterilization.

An embedded RFID tag between inner and outer cover casings enables durable, non-visual traceability for medical injection devices without disrupting sealing or manufacturing.

Negative pressure between the hard palate and tongue stabilizes tongue position for more accurate stereotactic radiation therapy.

Targeted heater power based on cryogen flow and pressure data stabilizes treatment-cycle pressure for consistent cryozone formation.

A rated-slip torque mechanism limits rotation during leadless pacemaker delivery, preventing tissue perforation and anchor detachment.

A jaw-mounted barrier and no-cut zone stop tissue from migrating into the cutter path, helping prevent unstapled tissue transection.

Blocking HCMV pentamer binding to B2M, NRP2, and THBD reduces host cell entry and supports prevention in high-risk patients.

Distal sensors wirelessly relay tool data through another instrument to restore force feedback and coordination in minimally invasive robotic surgery.

A plastic-to-hard-material guide channel cuts cost while resisting cannula tip wear, clogging, and particle contamination.

Intermediate raised protrusions on the staple cartridge deck improve tissue grip, guide staple legs, and evacuate fluid for cleaner sealing and cutting.

Dynamic power, energy, and torque limits help an atherectomy burr cross occlusions while reducing vessel wall and stent damage.

Orientation-based control reversal and firing lockout make stapling articulation intuitive while helping prevent accidental tissue incision.

A slider and fewer sensor switches identify staple line length, enabling precise firing stroke control while saving handle space.

Echogenic surface features keep a cryoablation probe visible during ice ball formation, improving placement accuracy and limiting healthy tissue damage.

A motor-driven force feedback module stabilizes guidewire catheter delivery in ERCP while reducing radiation exposure and operator fatigue.

A spring-biased retractable trocar tip shortens alignment length in circular staplers, reducing tissue stretching and attachment space.

A telescoping hybrid cutter with helical flutes and debris transport removes mixed plaque in tight lesions while limiting vessel injury and emboli.

Preplanned rod paths and tower motion tracking guide robotic spinal rod insertion, cutting MIS complexity and procedure time.

Strain-gauge feedback and stroke-loss mapping let a powered circular stapler compensate transmission losses for precise stapling and cutting.

Visual markers and a receiving portion help place a wound compression patch accurately around an insertion member for reliable hemostasis.

Exposed linked levers keep the selected energy state visible after actuation, helping surgeons confirm output settings during tissue treatment.

A sensing collar detects loading unit staple line length so the stapler can set the correct firing stroke and avoid over- or under-firing.

Torque data from surgical power tools is evaluated in real time to detect plan deviations and guide corrective action when tactile feedback is lost.

Blocking walls and multi-end drive control rotation amplitude, enabling finer infusion increments and flexible dosing modes with lower power use.

Automatic setup-arm registration calculates and stores robot arm angles to the surgical table for precise placement and collision avoidance.

Multiple angled light sources on a surgical retractor blade improve field illumination while limiting glare, heat exposure, and smoke buildup.

A sealed removable power pack keeps motors and encoders away from patient fluids, cutting sterilization time, cost, and electronic wear.

Inflatable cheek and lip expansion replaces inconsistent thumb or rubber-band pressure with controlled, uniform stretching during healing.

A spring-loaded lift adjusts staple height to tissue thickness automatically, improving staple formation and reducing tissue trauma.

Electrodes in surgical jaws use impedance signals to detect tissue or foreign objects, locate them, and trigger alerts during surgery.

A stopper-limited support rotation prevents contact with grasping wires, improving forceps wire durability and turning reliability.

Kinematic couplers maintain a continuous sterile barrier while enabling precise, repeatable robotic end effector changes without drape replacement.

Torque and jaw-angle monitoring detect low-side cable breakage early in robotic surgical instruments, helping prevent uncontrolled end-effector motion.

Directional flexibility and locking into vessel curves help this catheter track tortuous anatomy while resisting backing out during device delivery.

Sequential B- and W-shaped stapling with homogeneous tissue compression helps create leak-proof aortic graft attachment despite pulsatile flow.

A thickened balloon neck limits neck expansion so the head expands radially, stays under the foreskin, and applies even pressure.

A stabilized guide assembly uses K-wires and a cutting guide to machine bone recipient sites accurately when direct surgical access is limited.

A dual-wing frame elevates the target digit while holding other digits down, improving surgical access without manual stabilization.

Electrode and pressure sensing gives direct clot engagement and flow feedback, helping modulate aspiration and limit emboli migration.

Integrated pressure and length sensors measure clot size, firmness, and occlusion status in real time, reducing repeat passes and X-ray use.

Pre-op planning maps ligament attachment regions to joint implant rotational axes, helping reduce ligament strain and instability.

A reciprocating drive lets a circular stapler fire staples before cutting, improving tissue sealing and severing control in surgery.

A multi-aperture gauge helps surgeons restore the native femoral head center during hip replacement without complex imaging or planning.

Curved, segmented tube fixing reduces attachment force while preventing inflatable member shift at the puncture site.

Preoperative measurement and depth-limited harvesting improve bone graft precision while the cutting assembly forms uniform blocks, chips, and granules.

Moment sensing along the robotic arm enables automatic cannula alignment, cutting manual docking effort and avoiding complex vision systems.

Interlocking cover and retainer parts keep staples aligned and intact while enabling a compact reload assembly that still accepts larger staples.

A slider and reduced sensor-switch layout identify staple line length so the stapler can match firing stroke and save handle space.

Axially variable nested conduits adjust axial stiffness to control the bend radius of a steerable medical instrument distal section.

Hydrated collagen constructs expand to frictionally engage bone tunnel walls, resolving fixation reliability issues caused by mechanical fastener micro-motion.

An automated sterilization system applies AI tracking and RFID to reduce human error in surgical instrument processing.

A vaporization chamber converts liquid media to vapor, resolving non-uniform tissue ablation from direct electromagnetic energy.

Controller coordinates jaw aperture size with instrument insertion axis movement, reducing collision risk with tissue during robotic procedures.

Sensors detect operator absence to trigger automated trajectory planning, reducing ergonomic strain in teleoperation systems.

A robotic surgical system captures instrument motion data to determine precise actuation paths for automated component control.

A dynamic electrosurgical sealing system adjusts electrical energy based on real-time impedance measurements to determine tissue size.

Segmenting the image sensor detects protective glass presence, correcting optical distortions and offsets without adding external sensors.

A handling device uses changeable indicator devices to guide correct instrument connection via a central control system.

Segmenting the valve assembly allows cleaning tools to access suction passageways, preventing tissue debris contamination.

An alignment member with asymmetric features rotates the anvil assembly to prevent spline collisions and ensure precise staple formation.

A surgical instrument featuring a movable lateral incision member that protrudes from an insertion shaft to perform precise tissue cutting.

Integrating a torque transducer into sterile interface modules enables precise force measurement and feedback, extending drive cable life.

A nested capsule protects the working channel from sharp clip edges while a frangible link ensures secure locking.

A screw drive combines an internal polygonal and multilobular geometry to transmit torque while protecting the fastener head from mechanical damage.

A hermetic seal assembly encloses load sensor circuits to withstand autoclave cycles without compromising force measurement accuracy.

A catheter with an anchoring device stabilizes within the pulmonary vein to deliver precise ablation energy.

Segmented calcaneus plate uses sliding mechanism to tilt screws against counter cortex, reducing tendon impingement and soft tissue necrosis.

This system targets cellulite by heating fibrous septae with radiofrequency energy while cooling lipid-rich cells to induce apoptosis without damaging non-lipid rich tissue.

Nested indicator member locates vessel puncture sites to prevent interference with sealing element deployment.

Simultaneous point cloud acquisition aligns surgical robot and optical navigator frames of reference without extra equipment.

Arcuate driven member expands operating angle while minimizing wire loads and wear in laparoscopic surgical manipulators.

An optical imager captures device indicia to verify manufacturer authenticity, preventing counterfeit medical devices from connecting to the host system.

A digital stereo image display device uses a holding arm and quick release interface for ergonomic positioning.

An integrated power supply and control circuit in a cordless ultrasonic surgical handpiece maintains constant blade movement across varying tissue loads.

Magnetic attraction aligns anvil assemblies in flexible staplers, reducing tissue damage during insertion.

Replacing linear guides with a cross-lever linkage reduces weight and noise in surgical microscope stands by eliminating mechanical friction.

A mechanical screw and nut system translates rotation into linear motion to articulate a surgical end effector.

Relatively-movable coupling members align severed nerves without compression, enabling faster axonal regeneration and improved functionality.

A puncture needle holder uses a pivotable link bar to adjust the guiding space between seat parts for different needle sizes.

Stereotactic radiosurgery delivers precise radiation doses to induce endothelial damage and clot formation, preventing rupture without surgical risks.

Optical imaging replaces mechanical homing to verify end effector position accuracy, eliminating integration complexity while ensuring reliable calibration.

A telescopic surgical knife embeds SMD LEDs within the electrode structure to maintain stable illumination intensity during extension.

Magnetic coupling transmits motion across sterile barrier, resolving dexterity loss in minimally invasive robotic surgery.

A powered rehabilitation device expands joint range of motion by supporting volitional movement beyond the patient's current limits.

Integrally molded disposable retractors eliminate cross-contamination risks by discarding the unit after one procedure.

A barrier member defines a working region within the intervertebral disc space to isolate tissue disruption.

A gold nanodisk sensor on a silica pedestal extends the electromagnetic interaction volume vertically.

Self-expanding mesh structure delivers across aneurysm neck to stabilize embolic coils during intravascular deployment.

Pivotable jaw liner opposes cylindrical ultrasonic blade to enable multi-orientation tissue treatment without increasing device complexity.

A measurement circuit captures impedance artifacts during cardiac cycles to detect lead faults in implantable medical devices.

A surgical retractor fixing device with a rotating cam mechanism for secure clamping.

An actively adherent internal surface captures particulates within surgical instrument housing, preventing functional compromise from manufacturing debris.

A surgical utility connector embeds a magnetic element in its detection region for reliable connection status indication.

Fluid-driven accessory drive actuates surgical instrument distal components for automated reprocessing cycles.

Dynamic torque correction via sensors and controllers improves knee extension while preserving muscle strength in crouch gait patients.

Segmented design and dynamic rotation allow controlled bone resection in stenotic conditions, preventing nerve root damage during decompression.

Merging the wire guide into the screw body eliminates pre-drilling steps while maintaining precise alignment during bone fragment compression.

A robotic surgery system manages instrument service life by processing operator input signals to determine desired spatial positioning.