Surgery TRIZ Cases

A self-expanding embolic protection device uses a Z-stent waist band to capture emboli in body vessels.

A side-load connector with a swivel lock mechanism allows lateral blade attachment and angle adjustment while preventing unwanted rotation during surgery.

A spinal rongeur features an internal storage cavity and plunger mechanism for collecting bone material.

A vascular anastomosis device uses a guiding rail and spreading member to clamp and align blood vessels.

A capacitive sensor array measures force and pressure across articular surfaces using a printed circuit board configuration.

Segmented plates pivot to increase spread while ratcheting locks hold angles.

Segmenting the built-in object isolates assembly force from the vulnerable bent portion, preventing structural damage during attachment.

Segmented tubular body with integrated light source eliminates shadowy areas while preserving internal space for diagnostic tools.

Spikes absorb moisture to prevent premature polymerization and clogging of the orifice.

A distance-measuring method calculates endoscope-to-target range using curvature angle data and insertion parameters.

A skin-attached cradle integrates an optical indication device to provide visual cues for insulin pump status.

UV radiation disinfects imaging sensors in situ, preventing mechanical damage from disconnection and ensuring reliable sterilization.

A processing system generates a current endoscopic video image and captures a specific frame from it to display both in a common interface.

Nested wire segments expand into loops to retrieve clots, avoiding the large profile of balloon catheters.

An image processing device generates white light and absorption band images to monitor antibody-drug accumulation in phototherapy targets.

A sterilization adaptor uses a check valve unit to regulate gas flow between an endoscope interior and the external environment.

A phototherapy blanket uses a surface sensor to verify skin contact for accurate light intensity control.

A light source apparatus uses a dichroic mirror to mix wavelength bands for white and special illumination modes.

An endoscope system switches between reference and moved focus positions to capture images for region of interest recognition.

An in-vivo device moves through the GI tract by adapting magnetic force to its orientation, eliminating complex localization systems.

A diaper-integrated urine collection system channels fluid into a vacuum container, preventing leakage and ensuring sample purity for medical analysis.

Rotating cam loading pins align rivets in endoscope articulation sections to resolve clearance issues that reduce torque resistance.

Mechanical crimping replaces glue joints in medical retrieval devices, ensuring repeatable assembly and reducing manufacturing costs.

Segmented inner pouches prevent fluid migration and debris escape, resolving reliability versus complexity trade-offs in specimen collection.

A reprocessing system pressurizes endoscope channels and monitors internal housing pressure to identify compromised conduits.

Synchronized flashing LEDs eliminate motion blur and interlacing artifacts, improving pathological detection accuracy.

A flexible swab captures viral cells without scraping epithelial tissue.

A bedside monitor integrates an ultrasound transducer and CPU to generate real-time cardiac images.

Segmenting single-mode fibers into multiple cores eliminates motion-induced rotation distortion while increasing imaging speed and resolution.

An exterior filter screen captures biopsy specimens to simplify retrieval and prevent fluid contamination.

Segmentation and nesting principles enable compact camera packing, resolving assembly complexity in laparoscopes.

Ratcheting engagement locks the third arm for stable positioning, eliminating continuous manual hold and freeing surgeon attention.

A medical instrument rotor rotates around an insertion axis to guide a distal end, resolving navigation difficulties in bidirectional pressure spaces.

A fiber optic laparoscope delivers focused light to biological samples and filters backscattered signals to detect ionic channel activity.

Moving the axial bearing to the distal end of the swivel element maintains constant focusing distance despite bending or temperature changes.

An implanted catheter and port system enables repeated fluid sampling via external access.

A photocoupler transmits image data via optical signals between a receiving device and an external monitor.

A medical scope cover uses pivotable projecting elements with detents to control distal movement and improve visualization.

Rotatable spline connectors align tissue engaging members with the support shaft, reducing assembly time during spinal surgeries.

A microfracture pick with a reinforced tip and integrated strike handle translates hammer force through the shaft to advance through bone.

A dental camera handpiece uses a single bandpass filter to capture visible and infrared images across multiple diagnostic modes.

Pre-formed vertebral seats receive tapered anchoring members, eliminating impaction forces that risk anatomical structure impingement.

A surgical instrument features an annular arcuate blade and central channel for efficient bone fragment collection.

A guidewire-tracked delivery system deploys sheet-like implants via a pivoting spreader assembly for precise surgical placement.

Anchoring identification device prevents migration during minimally invasive surgery, ensuring accurate nodule localization and reducing pneumothorax risks.

Wavelength separation optics isolate return light from optical fibers and members to detect power loss and connection failures.

Endoscope integrates laser diodes to emit multiple wavelengths for simultaneous diagnostic and therapeutic procedures.

A temperature-sensitive polyethylene glycol/polyester block copolymer introduces bioactive functional groups into its side chain to enable stable drug loading.