Diagnostics TRIZ Cases

Segmenting reusable handles from disposable cartridges reduces sterilization complexity and lowers procedural costs for circular anastomosis.

A one-handed spinal implant inserter uses a trigger mechanism to engage and deploy clips between vertebral bodies.

An optical data transmitter sends signals through a rotary transformer axial passage to enable continuous rotation.

Color-coded LED indicators on a surgical driving device provide real-time visual feedback of impact force, preventing bone fracture and implant damage.

An apparatus delivers sealant internally to achieve hemostasis, eliminating external pressure that causes hematoma risk and patient discomfort.

Acidification and antibody binding isolate fetal cells from cervical mucus, enabling non-invasive genetic diagnosis without invasive uterine procedures.

A capsule cutter positions a blade within a cannula lumen and moves it between deployed and retracted states.

A microdebrider handpiece uses deflectable tabs and tracks to snap-fit disposable tips, enabling reliable bipolar or monopolar energy switching.

A powered tissue resecting device uses a dynamic seal ring to reduce friction between the drive rotor and casing.

Cam pin mechanisms adjust electrode gaps to prevent short circuits while ensuring consistent tissue seals.

Thread apertures accommodate porous bone density changes and remodeling to prevent mechanical failure.

An actuator deploys a flexible protector over the femoral head to prevent cartilage damage from sharp instruments with limited line of sight.

Stationary nozzles drive rotating fluid streams to clean medical devices without mechanical rotation blockages.

A smartphone attachment with a perpendicular needle guiding aperture and inclinometer application monitors trajectory alignment.

A steerable ablation catheter delivers low-intensity ultrasound energy to create transmural lesions around pulmonary veins.

A polyphenylene oxide band encircles movable trocar tip portions to ensure mechanical engagement, providing visual feedback when the retention rod covers it.

Saline-inflated tissue expanders grow abdominal skin tubes, enabling scarless umbilical repositioning without incision-related hypertrophic scarring.

A mechanical tourniquet uses a torsion bar and carriage to apply circumferential compression on a limb.

A tool setting device positions landmark guiding structures on patient tissue using scaled setting supports with indicia.

A surgical navigation instrument uses a needle electrode depth adjusting structure to control high frequency energy output based on detected tissue impedance.

A surgical screw container uses a segmented closure part to isolate individual screw compartments from external access.

A control system adjusts firing motion parameters based on elapsed tissue compression time to optimize surgical outcomes.

Periphery notches initiate linear tears along imperforate portions in a surgical drape, allowing tool-free removal without disturbing sterile equipment.

A pre-assembled neonatal decompression device uses a ratcheting stabilizer for precise needle placement.

A colpotomizer cup sleeve engages a handle locking feature to secure the device position.

An adapter engages electrosurgical forceps to form surgical clips via jaw movement.

A dual mobility acetabular cup assembly uses a tapered liner-shell fastening structure for secure alignment.

Segmented radio device uses tail antenna to extend interrogation range while minimizing animal pain from large implants.

Radiotransparent centering window enables precise alignment of external orthopaedic fixators.

A multi-loop control system compensates for cable friction and compliance errors in medical robotic linkages to maintain precise end effector positioning.

Conductive fabric with silver-coated threads distributes heat uniformly to prevent localized overheating and reduce patient burn risks.

A unitary construction indicator assembly pivots to display color indicia for firing readiness.

Segmenting the handset from the applicator head reduces replacement weight and storage volume while maintaining electrical stability.

Automated electrosurgical blade testing apparatus replaces subjective human evaluation with quantitative load sensor measurements of cutting resistance force.

A surgical device combines tibial guide elements with a sliding femoral drilling component to unify ligament tensioning and bone preparation.

A syringe drip guard features a radial channel to collect and absorb leaked medical fluids within the device structure.

A patient-matched surgical guide integrates radio-opaque markers to provide real-time X-ray feedback on instrument orientation and position.

Real-time thermal control adjusts bone cement viscosity, preventing leakage into adjacent structures while ensuring complete vertebral body filling.

Modular depth stop defines oblique angle to control femur canal preparation depth, resolving alignment precision trade-offs in revision knee surgery.

Segmented swabs and plungers remove residual fluids from enteral connectors to prevent bacterial colonization.

A telescoping illumination attachment mounts to standard electrocautery pencils and positions a light source at the distal tip.

A closure lockout pin blocks the clamp lever until stapler halves align, preventing premature closure and ensuring precise tissue stapling.

A master control device uses a segmented body to engage the palm and fingers, enabling flexible manipulation of teleoperated systems.

A medical ablation system adjusts power delivery based on real-time tissue contact status to maintain safe electrode temperatures.

Nested rotary drives convert motor rotation into precise axial motion, resolving the trade-off between compact volume and multi-effector reliability.

Polished tungsten wire cables prevent oxide layer formation to extend instrument usable life.

Multi-degree-of-freedom forceps resolve operation ease versus device complexity by replacing rigid robot arms with a dynamic joint portion.