Surgery TRIZ Cases

Rotary untwisting opens an implantable passage on demand, balancing temporary occlusion with later anatomical access.

Visual inspection and disassembly give way to continuous sensor monitoring that distinguishes unintended handling and flags potential damage before use.

Pulsatile pressure alternation reduces friction and deformation energy, helping aspirate fibrin-rich clots completely without fragmentation.

A rotatable adjuster and pusher tilt the bone borer between drilling and reaming to create openings of different diameters.

Mechanical force separates therapeutic agents into controlled particles, while pressurized fluid propels them through a lumen for consistent deep-site dosing.

Time-series analysis tracks observation state across small image areas, then shows indicators only when state changes to protect endoscopic image visibility.

A rotating plate pivots multiple filter holders in endoscopic cameras, enabling rapid, precise changes while reducing friction, jamming, wear, and space demands.

Coordinated pressure pulses at separated catheter ports loosen vascular debris, improving suction-based removal from vessels.

Bulk-loading distributes active agents through the silk fibroin matrix, increasing dose capacity while its degradation supports sustained release.

Dissolvable microneedles deliver vaccine antigens through skin in five minutes or less, improving tolerability and acceptance.

An unsealed and resealed guide-catheter valve supports repeated clot retrieval and aspiration without removing the access catheter.

A single drive gear rotates multiple filter holder arms together, reducing friction, wear, and installation space in endoscopic camera filter changes.

Optical or thermal sensing aligns body and probe markers with ultrasound images, improving probe-position accuracy and capture consistency.

A connecting gear drives two filter wheels from one drive unit, enabling compact, parallel filter switching in an endoscopic camera.

A biodegradable aperture lets a luminescent capsule sample GI fluid and detect biomarkers without invasive endoscopy.

A central fluid lumen and externally compressed piezoelectric stack simplify ultrasonic surgical instruments for lower-cost single-patient use.

An integrated distraction member and implant track correct vertebral alignment and deliver implants through a less complex spinal procedure.

A force sensor and controller switch rotary modes during FUE hair-graft excision to adapt extraction to varying skin resistance.

Separate optical, deflector, channel, and sheath modules enable component reuse while shielding the optical module from procedure damage.

Separate heat insulation members keep radiation imaging cables accessible while stabilizing sensor panel temperature during assembly.

Specific zinc, calcium, and manganese ranges create staged absorption that preserves implant integrity during bone healing and limits prolonged magnesium presence.

Camera feedback adjusts endoscope brightness for changing anatomical cavities, supporting image quality and helping prevent thermal damage.

A self-expanding strut framework engages and retains adhered or chronic clots, enabling direct removal while minimizing trauma to the vessel.

A camera identifies medical-device components, checks authorization, and sends a control message during invasive procedures.

Linear plunger motion rotates a sealing portion to switch an endoscope suction valve between suction and vented states for clearer visibility.

An electrospun membrane closes septal defects while supporting endothelial growth, septal compliance, and reduced chronic inflammation.

To overcome limited luminal space, nested lumens and longitudinal perforations enable simultaneous delivery and independent manipulation of endoscopic accessories.

Positive pressure pulses dislodge debris from endoscope shafts and suction tubing, helping preserve flow through small working channels.

Motorized knob engagement discs let operators steer endoscope angulation with a joystick or slider, reducing pinch force and repetitive hand motion.

Inflatable channels expand the shaft for added working capacity, while adjustable length and camera angle let one scope fit varied procedures.

Doped marker filaments preserve radiopacity while limiting MRI and ultrasound artifacts, helping automate tumor-bed contouring.

A spring-loaded footplate senses lost skin contact and drives a membrane into the flow path to stop errant fluid flow.

A movable valve portion, biasing member, and seal friction automate endoscope-channel flushing to reduce clogging and reprocessing effort.

A removable laparoscopic sensor head and reusable electronics enable rapid tissue oxygen measurements while separating disposable sensing from processing.

Gaussian spectrum conversion shifts the center wavelength and tunes spectrum width to balance depth resolution with OCT imaging range while reducing side-lobe noise.

Continuous acceleration and sensor monitoring distinguishes regular from unintended medical-device use, enabling earlier damage detection.

Toothed coupling lets two filter wheels rotate on one axis with one drive, reducing space and mechanical counter complexity.

Multiple motors, gear assemblies, and joystick modes help steer an endoscope tip across planes while reducing physician fatigue.

A convex tip surface lets a skin-incision applicator roll across the epidermis for uniform penetration during multiple tests or vaccinations.

One drive gear rotates multiple filter-holder arms in parallel, enabling fast filter changes in a compact endoscopic camera.

A spring-loaded interlock secures the rigid body-fluid container to a load cell, preventing movement and inadvertent release during diuresis measurement.

Segmenting the medical device into reusable and disposable bodies reduces cross-contamination risk while lowering sterilization and replacement costs.

A synthetic device seeded with mesenchymal stem cells enables endoscopic esophageal repair, avoiding invasive surgery and minimizing infection risk.

Segmented articulating sections conform to vessel contours while retaining clots, supporting delivery and reducing embolization risk.

Interlocked sculpting tools form continuous loops to shape implant-matched bone voids, lowering peak stress and fracture risk.

An externally positioned support seat stabilizes a laser head while lateral retractor openings preserve camera access to patient tissue.

Resilient side members grip an endoscope and tubular member while a tethered clip set prevents detachment and a softer adapter protects inner surfaces.

Passive physiological sensing compares time windows and user-entered menses data to detect ovulation, conception, and miscarriage continuously.

Gas-filled reflective shells bound in hydrogel create a Doppler twinkling artifact for precise tissue-margin detection.

Hierarchical textures combine localized hydrophobic and hydrophilic regions to resist implant migration while supporting tissue adhesion.