Diagnostics TRIZ Cases

Geometric computation of joint angles determines surgical instrument length without mechanical jigs.

Replacing mechanical needles with energy delivery simplifies trans-septal access and reduces operator training time.

A segmented protective cover combines a flexible bag with a rigid locking part to secure medical device handles.

A modular clutch assembly with swappable gear rings and a latch system enables precise torque transmission in disposable medical drivers.

Injection molded plastic shaft members with integrated stop features reduce manufacturing complexity while maintaining jaw alignment precision.

Transparent disposable shield mounts on surgical cutting instruments to block biological spatter and maintain clear visibility.

Electronic orientation monitor calibrates via drape-engaging locking elements to guide precise prosthetic placement and reduce infection risks.

Segmented drape design isolates non-sterile areas during extension assembly, reducing contamination risks in robotic surgery.

Offset tapered jaws apply graded pressure while a frangible component prevents tissue damage from over-tightening.

A valve-controlled stylet apparatus manages fluid flow through a compressible mechanism, preventing spillage and noise during surgical suction unclogging.

Automated sensor detection of geometric tool features eliminates label damage risks and human error during surgical procedures.

Single-sided cutting teeth on the asymmetric surgical saw blade enable precise tissue resection while minimizing unintended material removal.

Integrating bone mineral density into 3D models defines precise implant interfaces and force limits, reducing fracture risk during arthroplasty.

Rotatable outer sleeve repositions cutting window and electrode without hand piece movement.

Rotating a stop on the outer cannula adjusts inner cannula depth, preventing neural damage from over-penetration through cancellous bone.

Oscillating cutting elements score the rod surface to eliminate burrs and prevent tissue damage during spinal fixation procedures.

LED illuminating member signals magnetic coupling in bridle catheter, replacing acoustic detection to resolve noise interference during installation.

Phantom with apertures and touch points models mammalian head geometry to detect positional and angular tracking errors in surgical navigation systems.

An illuminated surgical retractor merges an LED assembly with the handle to eliminate auxiliary lighting interference.

A balance training cart uses posture detection sensors to dynamically adjust swing patterns for tailored rehabilitation sessions.

An ultrasonic blade and RF electrode system separate cutting from coagulation to resolve tissue sticking on the blade surface.

An ankle orthosis uses a tensioning apparatus to control force magnitude and direction across three axes for customized joint support.

Nesting a cantilever spring inside the lever reduces device complexity and manufacturing cost while limiting transmitted force to prevent jaw damage.

A modular simulator system mounts on wheelchairs to drive pedals via an electrical motor for seated lower limb exercise.

A mapping array detects electrical artifacts during cryoablation to determine optimal treatment time for target tissue.

Replacing mechanical knives, a multi-axis thermal cutting element uses electrosurgical energy to improve precision while managing device complexity.

Piercing and dilating mitral valve leaflets via a catheter augments coaptation without open-heart surgery risks.

A mechanical stop on the anvil jaw restricts staple cartridge insertion depth, resolving positioning contradictions that increase device complexity.

Segmented sliders and a locking plate enable easy disassembly for sterilization while maintaining structural integrity during surgery.

A surgical robotic system stores navigation checkpoints to recall instrument and camera positions.

Inflatable balloons displace the bladder and rectum from the treatment site, reducing radiation exposure to critical tissues.

A locating member inserted into the first tunnel guides a cutting tool to drill a second tunnel at a defined lateral offset, resolving positioning difficulty.

Nested distraction members expand via linear actuation to separate vertebral bodies, eliminating endplate gouging from rotating edges.

A powered surgical stapler replaces manual clamping with a motor-driven firing rod and haptic feedback sensors to reduce surgeon fatigue.

Automated planning module segments 3D anatomical data to calculate safe access paths, avoiding vessels and bronchi during percutaneous lung interventions.

Automated system evaluates surgical trajectory safety using patient-specific 3D brain models, reducing manual assessment time and error.

Offset guides on a tibial base plate direct reamer positioning during orthopaedic procedures.

A spring stop mechanism limits deflection in an orthopedic broach handle to maintain latch engagement.

A surgical clamp uses interfitting jaw housings and a lever to deliver graduated closing movement for controlled compression.

Mechanical operating relationship between extension and end effector provides independent yaw and pitch motion without computer-controlled compensating systems.

A disinfecting chamber channels dry steam vapor with chitosan to clean and coat instrument surfaces.

An arcuate shielding portion on a cylindrical cuff blocks thermal and electrical damage to surrounding healthy tissue during electrosurgical procedures.

A medical connector uses a self-sealing membrane to enable safe injection via conventional syringes without needles.

A bias device uses a shuttle to selectively engage working arms, enabling variable force application through mechanical positioning.

An augmented reality system overlays virtual organ models and real-time treatment device positions onto a surgeon's field of view.

A machine-readable coded point grid embedded in an ophthalmological implant enables unique product identification.

Multi-layer face masks resolve the reliability comfort trade-off by combining hard plastic shells with energy-absorbing foams for safe robotic surgery.

LED arrays and angled louvers direct light onto the surgical field, eliminating shadows caused by instruments.

Fiber Bragg gratings attached to a deformable body measure multi-axis forces without electromagnetic interference, enabling precise surgical feedback.