Surgical Needles TRIZ Cases

Light guiding facility illuminates point markers on medical instruments, enabling precise alignment while reducing fluoroscopy radiation exposure.

An air-liquid interface culture system segments cytokine concentration periods to improve tumor-killing capacity while managing cell expansion quality.

A handheld surgical endoscope integrates a disposable distal tip with a reusable handle for single-operator procedures.

An integrated sheath creates a flanking tunnel and performs vasiform cuts via induction heating, reducing endothelial damage.

A tissue ablation device integrates a saline reservoir with an electrode actuator to deploy conductive fluid and the probe simultaneously.

An external fixation pin with a side face opening perfuses antibiotics locally, preventing systemic overdose risks.

Segmented feeding cables reduce electrical losses while enabling precise navigation through narrow working channels.

Nested containment structure preserves sample purity during self-collection, eliminating professional assistance requirements and reducing patient discomfort.

Optical fiber sensors replace metallic components to eliminate MRI susceptibility artifacts while enabling precise tracking of needle position.

Integrated fluid sensor monitors flow and pressure proximal to tissue, resolving contradictions between treatment speed and control precision.

A blink-driven pump creates pressure differences to move tears into a storage chamber through micro-channels.

An ablation probe uses electrical sensors to detect dorsal root ganglia alignment, resolving localization precision versus device complexity.

Outwardly extending projections with non-arcuate edges scatter ultrasonic waves to improve visualization without compromising catheter flexibility.

A biopsy needle assembly reduces motor starting load and vibration by using a compression spring to delay cutter engagement when the motor reverses direction.

A flexible laser endoscope delivers precise tissue ablation through minimally invasive spinal access.

Integrated suction passage forming member prevents tissue irritation during cutting by routing vacuum through separate aperture instead of cutting windows.

Segmented ferromagnetic elements in a casing localize surgical tissue, eliminating foreign body interference from long-term retention.

Articulated fingers on the overtube tip expand to dilate tissue puncture sites, preventing snagging during insertion.

A radiation imaging system synthesizes a biopsy needle image onto a tomographic sectional view to enhance visibility.

Nesting the cutting tool inside the cylindrical member prevents user injury and infection risks when the device is idle.

A coaxial electrosurgical probe delivers plasma, microwave energy, and liquid through a single tip.

A detachable antenna assembly uses magnetic coupling to connect a transmission line, enabling precise surgical navigation.

A magnetic fiducial marker locates lung nodules using a specialized delivery tool and detection system.

Threaded dilator rotates during insertion to disperse frictional forces radially, preventing tissue tenting and distortion.

Variable bridge thickness and curved transitions minimize stress concentrations, resolving the trade-off between profile height and compression capacity.

A powered driver apparatus penetrates bone to establish intraosseous vascular access.

A navigated guide tube fixation device stabilizes thin needles for precise spinal drug delivery.

A surgical robotic system moves an instrument along its axis using a processor subsystem that determines displacement distance.

A tissue ablation controller initiates pre-ablation testing to monitor temperature and power data during energy delivery.

A localization tool with a magnetic portion and electrocautery element marks lung nodules.

A flexible non-linear needle guide navigates around pelvic structures to deliver injections.

A surgical osteotome advances its distal portion while articulating to match bone curvature through coordinated shaft rotation.

A rubber member seals the needle unit interface to block fluid flow into the device body.

Segmented grid structures separate coil elements from puncture paths, resolving the trade-off between parallel imaging performance and secure access area.

Dual lumen catheter uses nested needle geometry and insulating barriers to prevent puncture, lost motion, and energy misdirection during procedures.

A segmented oocyte collection needle uses graduated internal diameters to enable precise aspiration of cumulus oocyte complexes.

Vacuum suction joins tissues endoscopically, reducing anastomotic strictures and leaks associated with traditional gastric bypass surgery.

A navigation method uses a fixed reference to calculate target positions relative to the reference frame.

A tissue resection device uses an engagement gear to rotate inner and middle tubular members in opposite directions for efficient cutting.

A biopsy piercing module uses a stylet to penetrate tissue before probe insertion.

A lead extraction tool lever system drives bidirectional cutter rotation via a dual action mechanism.

Microsecond electric pulses create permanent cell membrane pores to destroy tumor tissue without thermal damage or collateral injury to healthy brain regions.

Rotatable electrode attachment changes electrical connections to adjust voltage and waveform settings in an electrosurgical handpiece.

Extending arms mount sensors for arena-like lighting while an integrated instrument camera resolves coordination complexity.

Radio-frequency electrical membrane breakdown disrupts cancer cell membranes to expose tumor antigens without denaturing intracellular proteins.

Nested vacuum reservoirs stabilize erratic pressure in tetherless biopsy devices, enabling consistent sample collection.

A pressure relief vent punctures blood vessels to relieve internal pressure, preventing uncontrolled expansion and bursting during electrosurgical coagulation.

An elastic pouch bag captures cancer cells using chemoattractants to guide them into a closed cavity.