Surgery TRIZ Cases

Guide contact surfaces fix polygonal prism image pickup units to optical emission surfaces, reducing distal end diameter while maintaining alignment precision.

A passive bending portion uses rivets spaced at 60 degrees to enable three-axis movement.

A flow-through fluid reservoir uses a shaped slot and projection mechanism to constrain actuator movement for precise volume control.

A convex exit lens bends light outwardly to enable forward imaging in a compact optical probe assembly.

Disposable endoscope bodies isolate reusable cameras from external environments to prevent cross-infection while lowering sterilization costs.

Mechanical vibration of the optical fiber dynamically changes the light phase, averaging overlapping speckle patterns to improve image clarity.

Integrated LED illumination source within the endoscope head directs light radially and distally through a transparent tubular body.

Integrated oximeter sensor measures tissue oxygen saturation during spinal surgery, preventing nerve root damage from unmonitored retraction.

Merging radial arms into a continuous basket eliminates joining mechanisms, reducing device profile and failure points.

An echo-opaque catheter visualizes the urethra in real time, preventing radiation toxicity by ensuring precise treatment element placement.

Movable members extend through support member lumens to expand a capture loop, resolving the trade-off between large object capacity and insertion profile.

Endoscope apparatus reproduces stored images in a list for selection and adds user input annotations to selected frames.

Echogenic markers guide cannula placement while apertures manage viscosity to prevent leakage at the target site.

Segmented barrels with distinct thermal conductivities dissipate light source heat to reduce temperature noise while keeping the outer surface cool.

A lens barrel holding portion positions a drive mechanism while an adhesive gap fills with varying hardness.

Integrated MRI and ultrasound platform tracks microbubble cavitation signals during focused therapy sessions.

A one-piece instrument tube and smooth sheath eliminate dirt traps in rigid endoscope shafts, enabling effective sterilization.

Horizontal alignment of optical and wireless components in a flat housing simplifies manufacturing and maintenance of endoscope systems.

Segmented components allow independent tube removal to prevent clogging during deep socket exploration.

A disposable hollow surgical sleeve suction retractor combines tissue retraction with smoke evacuation through a single ergonomic instrument.

Shorter wiring connects high-dimming-resolution sources to substrates, reducing pulse signal blunting and maintaining uniform temperature.

A fluorescence observation apparatus corrects image data using stored light distribution characteristics to normalize measurements against return light.

A flexurally elastic work channel extends and deflects laterally, resolving limited pivoting space in narrow duodenal cavities.

Alphanumeric segment labels on a surgical drain enable verification of complete removal, preventing retained foreign objects.

Segmented tibial insert spacers correct femur-tibia spacing imbalances caused by osteotomy errors.

Segmented valve components with a flexible shaft seal reduce leakage and manufacturing costs while maintaining suction efficiency.

Segmented laser modules in a detachable head enable accurate metrology while preventing overheating during pulsed operation.

A tympanostomy tube composite maintains constant ciprofloxacin release through a solid solution phase.

Multiple segmented balloons prevent stomach acclimation and reduce gastroesophageal reflux by distributing pressure across the cavity.

Segmented mold halves and low-viscosity resin fill gaps between electronic elements, reducing fabrication time and production costs.

An integrated actuation device merges endoscope and accessory control into one handle.

Variable braiding angles in a hollow braid exert frictional forces to consolidate tendon portions, reducing adhesions and enabling early mobility.

A flexible insertion section uses a shape sensor to detect bending states for real-time future shape estimation.

A multi-sensor endoscope uses independent maneuvering sections to orient cameras relative to each other without rotating the shaft.

Integrating catheter access with imaging eliminates patient transportation between facilities, enabling sequential vessel examination without repositioning.

A flexible circuit assembly uses a nitinol strengthening member to provide column strength and resist kinking during articulation.

An intermediate member within a vascular delivery catheter enables precise rotational alignment of non-symmetric occluders for septal defect repair.

A handheld harvesting unit accumulates cartilage tissue and reduces particle size through an integrated mechanical cutter component.

Radiopaque markers enable processor-based geometric calibration of mobile x-ray source and detector positions.

Co-electrophoretic deposition forms stable strontium fluoride nanoparticle polymer films on metallic substrates using non-aqueous solvents.

Elastic projections engage recess walls to fix the distal end bending piece, reducing insertion diameter and internal space constraints.

Segmented silicone layers mimic tissue structures to resolve the trade-off between training realism and manufacturing complexity in laparoscopic surgery.

A perforated tube draws tissue into its lumen for a cytology brush to collect cells, resolving low yield and bleeding issues.

A wave concentrator combines broadband mechanical pulses in a variable impedance transmission member to amplify displacement at the distal end.

Coupling layers resolve fixation stability trade-offs by enabling stable biomolecule bonding without complex procedures.

Sensor-triggered wiper action removes solid debris during procedures, preventing manual cleaning pauses and maintaining continuous visibility.

A femoral component uses an as-moulded curved surface to minimize wear on the tibial interface.

A medical device uses collapsible strut members to capture blood clots within vascular structures.