Surgical Needles TRIZ Cases

A surgical device uses a rotating cutting blade within a suction tip cavity to sever and retrieve tissue specimens.

Rotating an actuator ring drives link members to deploy fasteners, reducing procedural time for secure retention.

Segmented guidance device navigates anatomical obstacles to ensure precise analgesic injection near the mandibular foramen.

A wound dressing assembly incorporates a second reduced-pressure interface to manage subcutaneous delivery conduits.

Segmented retention members enable selective attachment of end effectors, resolving the trade-off between device versatility and sterilization complexity.

Segmenting the needle into a hollow body and solid insert enables welding the blade to an external surface, preventing deformation during assembly.

An insufflator employs separate desufflation lines and pressure sensors to activate suction pumps only when safe, preventing hazardous gas exposure.

Segmented needle design resolves the contradiction between penetration strength and navigational flexibility in complex anatomical paths.

External magnetic fields actuate embedded magnets in a steerable assembly to eliminate buckling and torsion stresses during surgical navigation.

A bi-layer transparent marking layer displays a third color when overlapped to provide a visual guide on the patient's body surface.

A protractor-controlled retractable needle prevents overperforation in small radial arteries during transradial access.

Segmented magnetic microtools enable statistical sampling while minimizing tissue damage in confined spaces.

A scooper core needle with a hinged stylet collects larger tissue samples while navigating tortuous anatomical paths.

A welding catheter uses radial expansion and RF energy to fuse adjacent blood vessel walls into a secure connection.

An energy control unit adjusts emission based on real-time tracking signals, resolving precision and reproducibility contradictions in irregular tumor ablation.

Thermal imaging determines specific absorption rate without tissue property knowledge, preventing healthy cell death during malignant heating.

Rotational medical support device positions multiple needles through distinct starting points without interference.

Temperature-driven shape memory metal transitions from flexible navigation to rigid puncture, preventing vessel wall damage during deep tumor biopsy.

A rigid sampling blade with a bendable anterior tip protrudes laterally through an arcuate slot in the sheath to collect tissue.

A ductal sampling device uses a textured scraping body to collect biological matter from target tissue.

A biopsy cannula featuring a helical slit flexing region distributes stress to prevent kinking and binding during navigation through curved anatomical paths.

A medical device deploys multiple fiducials using a separating mechanism within an elongate member lumen.

A Jamshidi needle uses a rotatable stop mechanism to control inner cannula penetration depth.

A Y-sling pelvic implant system uses a dilator and fasteners to support vaginal tissue through minimally invasive laparoscopic procedures.

Permanent connection and pivoting eliminate readjustment time while maintaining mammography functionality.

Segmented concentric sleeves displace bone tissue to form controlled cavities, reducing extraction and procedural complexity.

Electrical discharge detection ensures optimal axial distance between probe components, preventing irregular ablation zones.

A biopsy tissue sample holder features a segmented chamber design for isolating individual biological specimens.

Viscosity measurement of cyst fluid under shear strain identifies malignant tissue characteristics.

Portable laser and accelerometer guide medical instruments in three dimensions, eliminating radiation exposure from repeated CT scans.

A movable carriage advances a hollow needle to deploy an RFID tag inside animal tissue.

A single artery sheath enables myocardial biopsy collection through radial access without repeated puncture site stimulation.

Dynamic molecular breast imaging stops acquisition when photon thresholds are reached, reducing patient time.

A biopsy needle system uses a tapered adaptor to guide an inner needle through an outer hub for precise tissue sampling.

Segmented stylets within a cannula enable simultaneous penetration and ablation, resolving iterative advancement delays in fibroid treatment.

Molecular detection kits analyze nucleic acids from surgical specimens to identify cancer biomarkers during procedures.

A Franseen biopsy needle captures full core samples via vacuum-assisted retention, preventing tissue crushing and reducing procedural time.

Segmented receiver assemblies slide into catheters for precise tracking, then remove to restore full lumen capacity for therapy delivery.

Collateral channels through airway walls enable minimally invasive lung treatment while maintaining patency with bioactive coatings.

Resilient contacts disconnect during firing to prevent post-firing measurement errors and improve tissue characterization accuracy.

Redundant multi-core optical fibers with Fiber Bragg Gratings correct shape data inaccuracies caused by magnetic interference and distance errors.

Esophageal optical spectroscopy probe reduces tissue interference to improve measurement accuracy of cardiac oxygen saturation.

A microwave ablation controller ramps up generator energy output while monitoring probe sensors to verify system integrity before high-power delivery.

A 0.7 mm steerable falloposcope integrates optical coherence tomography and multispectral fluorescence imaging to visualize fallopian tube tissues.

A portable single-sided MRI system provides image guidance for lumbar puncture procedures.

Mechanical scraping forceps replace suction to obtain adequate endometrial samples without contamination.

Sequential compression strokes attach sutures to hard alloy needle barrels while restraining sides against deformation to prevent cracking.

Segmented coring elements reduce outer diameter trauma while maintaining diagnostic accuracy.