Diagnostics TRIZ Cases

A surgical punching instrument guides a compression coil spring within a slide groove for direct action.

Shipping wedge with tapered tongue and resilient tabs separates the staple cartridge from the surgical instrument jaw while maintaining staple retention.

A position sensor on a rotationally-asymmetric medical instrument head generates signals to estimate the roll angle.

Audio sensors capture surgical sounds to determine sound location and cause, compensating for lost tactile feedback.

MRI-compatible cryosurgery system calculates ablation volume borders in real time to prevent healthy tissue damage during procedures.

Segmented tracking and metallic shielding enable accurate identification of small medical devices despite RF field distortion.

Cartridge ridges and asymmetrical staples prevent tissue slipping and ensure complete stapling reliability.

Segmentation control and dynamic smoothing regulate ablation temperatures, preventing tissue damage from sudden temperature uprush during airway treatment.

Inflatable anastomotic head section reduces insertion friction via fluid lubrication, preventing tissue damage during intestinal procedures.

Segmented articulation joint expands surgical end effector orientation range while maintaining stability within constrained trocar cannulas.

Modular segmentation and intermediary guides stabilize implant positioning against external forces while reducing device complexity.

Graphical depiction projects spatial coordinates onto planar representation to indicate movement boundaries and prevent collisions.

Pre-applied adhesive strips secure tubular shield to circular stapler, protecting tissue from mechanical stress and leakage during surgery.

A system electronic controller dynamically coordinates a collaborative robot and an active exoskeleton to prevent collisions.

A surgical instrument feedback system uses visual, audio, and tactile indicators to alert clinicians about tissue thickness.

Enclosed edge grips enable safe patient transfer while maintaining a homogeneous surface that prevents image artifacts and simplifies disinfection.

A coagulation tweezer design uses a radially spaced stop element to prevent friction during pivotal leg motion.

A tourniquet uses a constant force spring to maintain steady compression on venous access sites.

A wash monitor uses a tracer analyte to measure residual cleaning agents after exposure to hospital washing processes.

Offset anchor arms and chevron struts create a controlled blood flow pathway between heart chambers.

An ultrasonic surgical instrument integrates radio frequency electrodes into the end effector for simultaneous tissue cutting and coagulation.

Radiofrequency forceps sealing plates imprint tissue geometry to fuse biomaterials, eliminating expensive laser welding and energy-absorbing dyes.

Feedback indicator monitors vibration energy transmissibility to resolve trade-off between treatment efficacy and patient discomfort.

A needle guide localization system tracks spatial position and orientation using a processor to compute virtual needle data.

A surgical end tool integrates a sensing member to detect working member position for precise stapling operations.

A sealable electrical connection assembly establishes a liquid-tight barrier around contacts between surgical instrument shaft and handle assemblies.

Segmented drive and receive interfaces transmit mechanical energy via asymmetric coupling features, resolving alignment precision trade-offs.

A physiological measurement and stimulation device autonomously adjusts actuation output using real-time biofeedback sensory data.

Connecting member fixed in lower jaw slot sets tissue contact distance, reducing manufacturing complexity and time.

Replace optical navigation with inertial sensors to measure bone distances, eliminating line-of-sight constraints and reducing operative time.

A vacuum capture tool holds nerve tissue against a supporting surface using low-pressure ports to enable secure manipulation.

Segmented tie members unfold to elongate and accommodate varying statures, eliminating dangling straps that contact contaminated surfaces.

An internally sealable wire fills internal spaces between conductive strands with filler material to prevent fluid passage.

A cardiac catheter electrode delivers ablation energy while simultaneously testing pacing signal capture to assess lesion formation in real time.

Integrated splashback shield uses air vents to release trapped gas during refilling, preventing air intake into the syringe.

Radial micro-pillars on a vein closure implant self-fixate into the vessel wall, resolving pain and holding power trade-offs.

A handheld drill apparatus uses a dynamic telescoping mechanism to enhance stability and accuracy during surgical operations.

Anti-inflammatory compounds mediate the interface between allografts and host tissue to reduce inflammatory responses and enhance cartilage integration.

A handheld device integrates a microwave amplifier unit within the handle assembly to transmit high-frequency energy directly through an applicator probe.

A jaw-mounted mouthpiece anchors a hollow tube to orient an intervention needle toward a target site within the patient's head.

Integrating a navigation sensor assembly with a Hall effect alignment system resolves insufficient real-time positional information during nasal cavity surgery.

A tissue expander grows a skin tube to invert and secure the umbilical stalk, eliminating visible scars from traditional incisions.

A spacer system limits insertion depth using a lateral slit aperture for releasable mounting on the instrument shaft.

A surgical method uses laser incisions and botulinum toxin to lower elevator muscle insertion for high lip-line smile correction.

An electrosurgical system measures tissue impedance to dynamically control energy delivery and cooling periods for consistent sealing.

A surgical stabilizer arm uses a planar joint member to constrain movement within a single plane.

Segmenting the drape into impervious and transparent sections maintains sterility while allowing intra-operative registration of patient body parts.

A surgical coupling system integrates an electrical switching device into plug connections to minimize contact elements and secure mechanical engagement.

Combining WLAN and Bluetooth Low Energy signals with pre-recorded fingerprints resolves interference issues that cause inaccurate positioning in building areas.

Ionized gas plasma capacitively couples radiofrequency energy through a dielectric wall to ablate biological tissue.