Surgical Needles TRIZ Cases

An elongate arm on a guide tool enables palpation to navigate lingual-valvous vessels, reducing procedural time and error risk.

A biostimulator features a lockable fixation element with a fastener engaging a keeper to secure the component.

A unitized high-frequency electrode embeds a temperature sensor at the uninsulated tip for direct thermal contact.

A foldable sample collecting device integrates a viewing window with the housing to enable immediate microscopic analysis.

Negative pressure draws tissue into the notch before cutting, resolving insufficient sample size and discontinuity in conventional devices.

A medical overtube employs a shape fixing mechanism to switch between bendable and rigid states.

A movable twisted coil electrode corkscrews into tissue to provide a distinct ultrasonic image.

Vacuum-stabilized adhesive carriers resolve fixation accuracy versus application time trade-offs in minimally invasive surgery.

A medical diagnostic device integrates imaging and sample collection within a single tubular structure for patient self-examination.

A biopsy probe integrates a marker applier for simultaneous tissue sampling and site marking.

A thrombus extraction device uses a self-expanding coring portion and braided net to mechanically separate and capture clot material.

A disposable plastic guide compartmentalizes tissue during endoscopic procedures to protect surrounding anatomy.

A movable filter structure separates samples from impurities via suction, eliminating manual transfer steps that waste medical time.

A core needle biopsy device uses a nested piercer and cutter to collect multiple tissue samples in one insertion.

Reflected radiofrequency echoes monitor the tumor boundary during ablation, eliminating the need for separate imaging equipment.

A notched aspiration biopsy needle uses a coiled coated-wire sheath to navigate endoscopic curves while collecting tissue samples.

A 3D imaging device captures tool and target coordinates to control an adjustment mechanism that aligns the elongated tool axis.

A disposable surgical guide uses a replaceable expander to precisely expand carpal tunnel tissues.

Passive magnet sensors enable precise instrument tracking within MRI scanners, eliminating noise interference that limits conventional robotic navigation.

A dielectrically loaded coaxial antenna shapes electromagnetic radiation into a directional beam for focused tissue ablation.

A self-penetrating sensor assembly eliminates needle complexity by creating its own wound channel, reducing tissue disruption during insertion.

An auger-based surgical device harvests bone tissue and delivers graft material through a cannula using integrated rotating flighting.

A helical attaching device advances through tissue walls to secure implantable conduits.

A bipolar irrigated radiofrequency ablation probe uses an inter-electrode irrigation path to cool electrodes and surrounding tissue during energy delivery.

Indented microwave ablation antenna surfaces reflect ultrasonic waves to resolve visibility challenges during precise tissue placement.

Collared excisional devices with articulable beaks remove chronic total occlusions in single insertions, resolving versatility-reliability trade-offs.

Composite silicone coatings prevent peeling and reduce friction pain on injection needles.

A potentiostat applies electrical potential to adipose tissue, generating localized acid and base environments that chemically dissolve fat molecules.

A tubular sampling tool uses symmetric orifices with defined cutting angles to cleanly extract adipose tissue samples.

Segmented tube design maintains visual guidance during mammary ductoscopy biopsy collection.

A surgical instrument uses a slide member to deliver orthopedic implants, resolving incomplete tissue repair from imprecise placement.

Resonant vibration breaks adhesive bonds between the needle and tissue, minimizing trauma while maintaining precise control.

Flexible engagement member disengages when activation force exceeds threshold, preventing needle buckling during tissue sampling.

Vacuum control module manages tissue sampling cycles via cutter positioning to resolve device complexity and user-friendliness trade-offs.

A biopsy valve assembly manages fluid flow and vacuum pressure through distinct operational states.

A cryosurgical probe uses a movable support tube to stabilize surrounding tissue during sample retrieval.

An integrated extraction tool combines mechanical cutting and retrieval functions to remove cuffed catheters through scar tissue without surgical incisions.

A reflective cannula redirects stray laser energy away from the optical fiber, preventing overheating and erosion during high-power delivery.

A catheter distal viewing window accepts a cystoscope for tissue visualization.

A sterile rotary drive tool adapter couples surgical instruments through a flexible barrier while maintaining axial alignment.

A coaxial electrocautery unit integrates a light source along the central axis to deliver focused illumination directly at the surgical site.

A transabdominal measurement rod detects bladder and abdominal pressure simultaneously via a waist-worn body unit.

A surgical instrument with rotating heads performs mechanical cutting while electroconductive surfaces cauterize tissue simultaneously.

A fine-needle aspiration device uses a piezoelectric actuator to shift its distal portion between open and sealed configurations.

Overmolded fixation member anchors pull wire to elongate catheter wall, reducing decoupling and manufacturing complexity.

Tapered spigots on flexible wound devices enable quick fluid connections without disturbing the site.

Segmented locking mechanism prevents accidental needle advancement by restricting distal movement relative to the sheath handle.

A dual-chamber surgical rongeur uses a sliding footplate to store tissue bites within the device.

Segmented valve geometry accommodates varying device sizes while minimizing insertion friction and maintaining leak integrity.