Surgery TRIZ Cases

A radially compliant esophageal barrier implant uses patterned adhesion to maintain wound coverage without restricting swallowing.

Targeted ultrasound, microbubbles, and nested aspiration and retriever catheters break down and remove thrombus while lowering bleeding risk.

An integrated DEP catheter combines vessel access and suction to speed clot removal through tortuous cerebral arteries while reducing procedure complexity.

Individually wired, offset emitters direct sonic waves to calcified lesions, shortening IVL procedures while reducing vessel trauma.

A spring-based expansor replaces rigid hinged blades to adapt to anatomy, improve visibility and comfort, and support single-handed use.

Unique IDs on electrode group connectors let the control unit auto-map channels after insertion or re-insertion, cutting setup time and errors.

Pressurized air and continuous pressure sensing keep the vaginal passage open without a seal, improving comfort, imaging, and tool access.

Image analysis detects speculum orientation and activates the best ring light segments to keep cervical illumination even without manual adjustment.

A separable laparoscopic oximeter pairs a disposable sensor tip with reusable electronics for rapid tissue oxygen readings at lower cost.

Radiographic markers in a foam breast compression paddle detect excessive motion during x-ray imaging to preserve mammography image quality.

A hydrophilic polymer and high-elongation polyurethane coating helps medical instruments stay flexible and lubricious through narrow, bent lumens.

A collagen and tissue-matrix coating cross-linked with transglutaminase improves wear resistance, lowers friction, and limits adhesion formation.

A perpendicular columnar rib mechanically holds folded basket wires, avoiding heat damage, simplifying assembly, and keeping the tip slim.

Cascaded spectral imaging branches split and relay partial images to boost resolution while keeping endoscope shafts compact for real-time use.

A two-wheel geared elevator removes the slider rod, cutting handle space use and play while preserving familiar endoscope control.

A same-plane arm and handle mechanism improves force feedback, opening control, and protection of tissue and surgical equipment.

Metal sleeves with anti-slip patterns raise basket friction and durability, helping secure stones during repeated retrieval.

A swelling hydrogel microneedle patch isolates the bioelectrode from skin to improve transdermal glucose sensing stability, comfort, and accuracy.

Two integrated air circuits purge water and filter peracetic-acid fumes to dry endoscope channels without external ventilation.

A beamsplitter and prism assembly aligns visible and fluorescence focal planes in endoscopes, reducing chromatic aberration without added autofocus.

A bent fluid-circulating support tube maintains organ temperature while preserving surgical access and reducing damage risk.

A heated flow passage vaporizes sweat after sensing to prevent salt buildup on the sensor and support longer electrolyte analysis.

Non-contact sensing tracks cardiac and respiratory signals to adjust appliance noise during sleep and support menstrual or pregnancy state detection.

A channel with lateral wings and handle strips protects clinicians from needle sticks while keeping umbilical cord blood flow unobstructed.

Independently controlled central and peripheral light paths improve endoscopic illumination evenness and enable fluorescence imaging without HDR noise.

A deformable seal, harness alignment, and gravity-assisted flow collect urine discreetly while reducing leakage and skin exposure.

A multi-lumen catheter ramp guides imaging probes and sampling needles through curved anatomy to improve tissue sampling accuracy with less trauma.

A weight-actuated diversion valve collects fresh catheter fluid samples by gravity without clinician intervention or interrupting drainage.

An adjustable contact surface and reference markings help align the treatment area accurately, reducing hemorrhoid surgery time and complications.

A slotted shaft, movable dowel pin, and sliding grip let one surgical power adapter switch instruments quickly while maintaining secure power delivery.

Resonant mode cancellation suppresses longitudinal tip motion, enabling mainly torsional tissue removal with better precision and less unwanted ablation.

AI image inspection identifies biological and mechanical defects in medical scopes and recommends handling to reduce contamination and failure.

Offset infrared reflectors and a ridged snap-on grip improve real-time surgical instrument tracking for more precise navigation.

A universal mount and alignment guide lets mobile devices capture centered endoscope images across different phone sizes with clearer viewing.

Integrated tube sleeves and multi-component molding seal the disposable endoscope tip while reducing size and assembly time.

A shared movable lens and selective image dimming let endoscopes magnify targets without losing orientation or enlarging the tip.

Country-selectable video processing supports endoscopes and laryngoscopes across jurisdictions without internet access or hardware changes.

Automatically identifying the endoscope's final arrival site separates pre- and post-arrival images to cut report creation time.

Porous nanofibrillar hydrogel fibers use phase separation, salting-out, and annealing to raise conductivity without sacrificing strength or stretchability.

A raised-edge release tip restores tactile feedback for complete carpal ligament cutting under local anesthesia in an office setting.

A switched discharge resistor pre-discharges stored endoscope charge during idle periods, cutting startup delay and end processing time.

A porous woven sleeve applies gradual longitudinal tension to lengthen bowel or vaginal tissue while reducing invasive surgery and nutrition dependence.

Microneedle extraction, capillary microfluidics, and affinity assays enable frequent biomolecule tracking with less invasiveness than blood tests.

Annular loop emitters place shock waves near calcified lesions, improving sonic output in larger lumens while reducing vessel damage risk.

A nested spinal milling cutter lets surgeons enlarge working diameter without cutter replacement, improving control and reducing tissue damage risk.

Automatic UV irradiation cleans stethoscopes when the chamber closes, improving cleaning compliance and reducing infection transmission.

When close-up endoscope light spills past the mask boundary, exposure-based mask selection preserves image processing accuracy.

A phosphate inner layer anchors a hydrophobic polymer coating on medical magnesium alloys, reducing peeling and slowing implant degradation.

A flattened optical fiber routes light around a distal camera in a 6 mm arthroscope, improving illumination while limiting artifacts and reuse issues.

A rotating liquid flow sleeve replaces the assembly wrench, simplifying ultrasonic scalpel connection while keeping the blade shank secure.

Segmented porous resin tubes balance flexibility and cost by applying high porosity for bending sections and low porosity for support.

Semi-automated charged particle beam control system generates tomographic images of tumors using synchrotron-accelerated particles.

Segmented movable arms adjust along longitudinal axes to provide flexible surgical access while minimizing incision size and tissue trauma.

A deflectable catheter navigates the airway to visualize obstructions in natural sleep positions.

Capacitive sensing detects cuff disengagement, alerting staff to prevent infant abduction while maintaining secure attachment.

Radially expanding nitinol basket secures hard thrombi without proximal occlusion, eliminating embolization risks during retrieval.

Independent blade articulation resolves manipulation constraints in lateral spine surgery by maximizing disc space exposure while minimizing tissue disruption.

Chain link steering wires reduce bending stiffness to improve maneuverability in steerable instruments.

A slotted emitter catheter generates forward-biased shock waves to navigate severely occluded vessels and break up calcified lesions.

Electroactive polymers dynamically adjust prosthetic liner volume to maintain comfort as residual limbs change size.

Segmented support member transfers rotational torque while enabling rapid guidewire exchange through aligned slots.

Nested mesh members prevent graft displacement in bone defects by combining an expanding inner coil with a contracting outer cage.

Embedding a microchip in a denture base avoids invasive tooth preparation while enabling secure access to personal data through authorized readers.

A mouth distraction device applies intermittent downward traction to maintain patient mouth opening during dental procedures.

Finned cylindrical lens barrel dissipates heat from LEDs, preventing overheating during surgery.

A shape memory alloy wire actuates a moving lens frame to adjust focal depth and view angle while minimizing optical changes caused by heat generation.

A biopsy device uses a loose light conductor to illuminate surgical tools without obstructing the working channel.

Lateral flow test strips detect progesterone analytes in urine samples to monitor corpus luteum function.

A bar-shaped fixing element fastens proximal and distal optical assemblies, reducing outside diameter while maintaining structural integrity.

A segmented endoscope head houses an image sensor within a conductive protective sheath and insulating layer.

Electronic endoscope system displays insertion portion rotation angle on the monitor alongside the endoscopic image.

Segmented microneedle extraction and delivery reduces scarring, pain, and recovery time during skin repair.

Disposable obturator with interconnected capillaries delivers radioactive fluid for real-time localization while preventing permanent contamination.

A cam member presses moving members against guide walls to fix inner sheath positions for precise bending control.

Segmented resilient bumpers create a secure seal at the anorectal junction, preventing insufflation gas leakage and enhancing visualization.

Spherical bodies rolling in guide grooves eliminate grease viscosity, allowing small actuators to drive the lens frame with reduced force.

Segmented engagement members delivered via nested sheaths create fistulas, reducing tissue disruption and surgical complexity.

Left-hand spiral reamer blades invert chip transport direction, enabling continuous through-hole creation without frequent tool changes.

Excipients encapsulate water-insoluble drugs within device coatings, resolving the contradiction between coating durability and drug release efficiency.

A multi-function optical filter selects wavelength bands for white and fluorescence modes in an endoscope light source.

An image processing device adjusts video signal orientation to match a rotatable endoscope display screen.

Brightness detection determines when the endoscope exits the imaged space, reducing power consumption and conserving battery life without adding weight.

Offset acoustic lens delays shock wave pulses to broaden focal width, improving stone comminution while reducing tissue injury.

A sample collection apparatus merges a biological sample container with a sealed reagent reservoir and piercing insert.