Surgical Needles TRIZ Cases

A specimen collection mask integrates a swab insertion port with a directional detachable cap to maintain an airtight seal during testing.

A biopsy device integrates a suction tube between pivotally connected jaws to retrieve tissue samples.

Segmented compressibility adapts the device to varying gastrointestinal tract sizes, ensuring accurate cell scraping across different anatomical regions.

A CT and MRI compatible stereotactic device with a rotating arc and locking pin guides needles to precise body locations.

A retractable anchor device secures positioning within the right coronary artery, resolving imaging reliance and improving valve leaflet laceration accuracy.

Preliminary placement of adhesive discs resolves the contradiction between simple marking and accurate aesthetic evaluation by allowing visual adjustment.

A sample retrieval device uses a nested sheath to protect biopsy needles during endoscopic procedures.

An impact biopsy device uses a traveler and impact member to accelerate cutting elements via kinetic energy transfer.

A stent with a dilating portion expands tissue perforations for secure biological fixation.

Porous elastic material secures varying tool diameters inside the outer tube, eliminating assistant dependency and reducing surgery time.

A force mediated mechanical testing device uses a load cell and linear actuator to quantify soft tissue stiffness via internal probe indentation.

A handheld biopsy device integrates a spring-loaded needle firing mechanism with a rotating cutter actuator for precise tissue sampling.

An inflatable balloon filled with saline conducts heat from a microwave antenna to destroy tumors while protecting neural pathways.

An MRI-guided interventional system uses a stabilizer mechanism to translate and rotate a targeting cannula for precise neuro-modulation lead positioning.

Sensors detect gun mount positions to automate trajectory calculations, eliminating manual computations and improving accuracy.

A cylinder with a minimum diameter uniform portion enables smooth piston movement for channel switching.

Segmented sampling chambers enable multiple tissue extractions through one insertion, reducing patient trauma while maintaining accurate marker placement.

Simultaneous fluid jet cutting and laser cauterization resolves bleeding risks while minimizing thermal damage during tissue ablation.

A segmented osteotome device transitions from linear to curved configuration via axial sleeve displacement to create precise bone cavities.

Rotating the main body positions a stopper between regulation sections, enabling stepwise projection length adjustment without visual observation.

Synchronized gear racks coordinate opposing post and nut carriers to eliminate erratic snap actions and ensure precise location control.

A surgical tool transitions between forceps, scissors, and probe modes by rotating interlocking tips within recessed housings.

Inverting femoral access, a puncture device forms a caval-aortic fistula to deliver large implants while occlusion devices close the tract.

A cervical self-sampling device uses a movable aligning probe to position the cervix for accurate cell collection.

A puncture support applies a soft coating over a rigid core to resolve the contradiction between firm fixation and patient comfort in medical interventions.

Self-expanding tines deploy from a constrained jacket to secure a leadless implant, enabling pre-deployment site testing and repositioning.

Pre-attached tethering members eliminate tedious looping and threading, reducing procedural time while maintaining secure device fixation.

Merging pathology data with anatomical images eliminates verbal communication delays and reduces diagnostic errors during image-guided procedures.

A sensor embedding device uses a retainer to orient the sensing region toward the skin surface during insertion.

A biopsy needle uses a carbon fiber core to minimize beam-hardening artifacts during CT imaging.

A tissue characterization probe uses an array of sensors to locate abnormal specimens inside a tissue mass.

Self-expanding electrodes navigate tortuous cardiac paths to ablate the ligament of Marshall without permanent deformation.

An automatic retraction mechanism hides the sharp needle inside the device body to eliminate accidental pricks and blood-borne pathogen transmission risks.

Electroanatomic mapping replaces pressure readings and contrast injection to identify anatomical space, eliminating renal toxicity risks.

A steerable endoluminal punch articulates within a guide catheter to align with target tissue.

A tissue biopsy device uses a gear assembly to drive simultaneous opposite-direction rotation of an inner cutting member and outer tube.

Segmented handles enable independent needle movement and suction application, reducing contamination risk while improving diagnostic accuracy.

Fuses pre-operative MRI with real-time TRUS images to guide targeted prostate biopsy, reducing false negatives from sextant sampling.

A hollow application tube with a sliding winding insert enables secure intracorporeal delivery of auxiliary medical materials.

An electroporation apparatus with individually actuated electrodes creates customized ablation profiles matching arbitrary tumor geometries.

A biopsy latching assembly uses a pivoting latch arm to retain the drive member catch arm during tissue sampling operations.

An arcuate introducer creates a curved tissue path to position medical leads along a specific trajectory.

Structured illumination microscopy projects patterned light onto fresh tissue samples to isolate single nuclei with high resolution.

Visual alignment marks on a coring tool center ventricular holes, preventing bleeding from misaligned inflow tube interfaces.

A steerable introducer uses twisting control wires to rotate a flexible distal portion for precise navigation.

A biopsy needle arrangement uses a needle sheath and needle connected to an actuator device via connectors that disengage upon exceeding a threshold force.

Adhesive medical dressing prevents trocar dislocation and gas leakage without balloon rupture risks.

A 1.6 mm beveled shaft enables docking surgical instruments through the umbilicus without skin incision.

A top-loading surgical retractor uses a lever actuated clamping mechanism to secure the device to support frames.

An electrosurgical handpiece uses an adjustable channel system to position utility conduits, reducing physician fatigue from cable drag.