Nested elongate members inside a small surgical shaft cut assembly time, control gaps, and reduce buckling while preserving end effector function.
Selective blade insulation exposes conductive corners to focus electrosurgical energy and reduce tissue sticking during cutting or coagulation.
Sequential RF subarray activation with timed overlap reduces treatment area per step, shortening therapy time and easing patient pain.
Distal pulleys, cables, and an insulating member enable multi-degree bipolar end-effector motion while maintaining electrical isolation and sterility.
Angled apertures and trans-axial channels spread irrigation around the catheter tip to limit local heating, charring, and thrombus formation.
Flat nozzles and angled dual tubes irrigate bipolar forceps tips to prevent tissue sticking without blocking vision or tip closure.
Two independent air-inlet channels cool the refrigerating and heat-generating assemblies at once, improving durability and user comfort.
A fused sintered metal mesh conveys conductive fluid at the ablation tip, reducing tissue sticking, metal wear, and tip material cost.
Enzymatic melting smooths cartilage defect edges, then a melding matrix anchors the fill to reduce degeneration and support healing.
RF sensing automatically starts smoke evacuation when electrosurgical tools emit energy, clearing smoke and debris without crowding the surgical field.
Automatic voltage feedback keeps hemorrhoid treatment current steady despite body resistance changes, reducing manual adjustment and discomfort.
Braided mesh electrodes and concentric shafts improve basket deployment, electrode distribution, and pulsed field ablation precision while limiting tissue damage.
Alternating-polarity RF electrodes are interposed to prevent proximity effect and keep high-frequency skin treatment uniform.
A shaft-driven pressing member boosts compression on a small seal member, maintaining support body sealing and preventing gas leakage during surgery.
A flexible rod guides the driving wire to cut friction, extend wire life, and keep end effector motion accurate in minimally invasive surgery.
Laterally isolated jaw electrodes test each side of a vessel seal separately, catching weak seals before cutting and reducing bleeding.
Condensable vapor and magnetic needle actuation enable localized prostate ablation near the urethra for longer BPH relief with less morbidity.
Unequal electrode segments let a balloon catheter deliver effective RF ablation while separately capturing localized electrophysiological signals.
A highly pitched spline region creates a dense circumferential electrode band for closer spacing and more precise cardiac mapping and ablation.
AI-based stability assessment filters unstable catheter readings and assigns spatial positions to improve electrical signal mapping accuracy.
Pivoting scaffold arms place distal electrodes against stricture tissue, combining duct support with RF ablation to restore patency.
Independently positionable cautery instruments improve mobility and visualization in small surgical corridors while reducing device exchanges.
HF energy is modulated from desiccation to cutting and coagulation using estimated contact area to keep tissue treatment consistent.
Selective removal of a hydrophobic coating helps surgical end effectors reduce tissue sticking while preserving RF sealing burst pressure.
Selective plasma etching of a silicone hydrophobic coating reduces tissue sticking while preserving burst pressure and seal integrity.
Real-time tissue impedance and slope detection shifts RF delivery from rising power to constant voltage for faster, more consistent seals.
Non-therapeutic RF frequency sweeps detect tissue phase-angle minima to set sealing energy and verify seal integrity despite tissue variation.
Selective laser removal of a hydrophobic end effector coating improves electrical current transfer and burst performance while limiting tissue sticking.
Temperature-guided power reduction and ramping limit tissue desiccation, preventing impedance stoppages during RF ablation.
A yoke, pulley, and cam mechanism converts rotary input into precise linear jaw motion for bipolar tissue clamping and energy delivery.
A deployable hydrogel electrode spreads RF heat more evenly, enabling wider cardiac lesions while lowering steam pop and perforation risk.
A gas-filled intracardiac balloon replaces complex miniature X-ray tubes with plasma discharge to deliver 2-4 mm tissue ablation.
A smooth uncoated edge and rough coated blade surfaces reduce tissue sticking and char build-up while preserving precise electrosurgical cutting.
An expandable electrocautery electrode uses an undulating conductive member to keep axial stability during valve leaflet laceration.