Balloon Catheter TRIZ Cases

Alternating fluoroscopic bands on the valve frame guide orthotopic aortic placement while limiting left ventricular protrusion and coronary ostia blockage.

Expandable balloons separate divided catheter tips to form a horizontal drainage aperture, reducing residual urine, trauma, and blockage risk.

Independently movable sheath and catheter restrictors enable precise jugular placement to create a low-pressure zone for edema fluid drainage.

A sheathed detachable-tip balloon microcatheter controls AVM embolic reflux while reducing catheter entrapment and procedure complexity.

A support structure holds the balloon catheter's elastic band during valve entry, preventing dislocation and reducing endoscope valve damage.

A rough adhesive interface in a thin multilayer echogenic structure boosts diffuse ultrasound reflection while preserving polymer properties.

Alternating segment jamming and extension lets a robotic endoscope anchor, steer, and move through the colon with less deformation and discomfort.

A fluorescent first assembly and reflective second assembly enable whole-device near-infrared visualization while reducing dye use and cost.

Living-hinge rings let a balloon-mounted blade assembly expand and collapse to score calcified lesions while reducing vessel trauma and re-stenosis.

Inner and outer protrusions on tapered balloon sections improve folding and insertion while limiting axial elongation that can damage non-target vessels.

Circumferential nozzle holes and a reflow path spread refrigerant evenly in the balloon to improve cryoablation heat exchange.

Micro-needles on an inflatable bladder balloon inject drugs or stem cells into bladder tissue for controlled, minimally invasive treatment delivery.

A foldable inlet protector keeps the urine inlet off bladder tissue, reducing blockage, damage, fouling, and infection risk.

Image-guided steering and force feedback help a robotic catheter localize itself and navigate safely through opaque, moving heart tissue.

An inflatable nasopharyngeal balloon catheter aspirates aerosols and debris during endonasal surgery to reduce infectious particle exposure.

An expandable cannula captures clots en bloc while suction, filtration, and reinfusion reduce blood loss in endovascular vessel clearance.

Fused laminate layers encapsulate the prosthetic valve frame without manual suturing, cutting assembly time while improving sealing and crimping.

Expandable elements block vessel flow so a conductive bolus can carry electroporation pulses to target tissue in narrow vessels with controlled treatment volume.

Real-time pulmonary artery pressure sensing guides catheter drug delivery, shortening embolism treatment and reducing bleeding risk.

A non-zero-angle wire attachment helps remove a suction-driven porous endoluminal drain without tube-body separation, improving GI leak healing.

A buoyant expandable member keeps the peritoneal dialysis catheter floating above bowel contact to improve drainage completeness.

A movable sealing tube lets a shoulder balloon fill through a catheter, then detach cleanly without saline leakage during implantation.

A stretchable woven covering and low-friction frame reduce native tissue damage while improving prosthetic heart valve retention.

Reinforced polymeric leaflets, shock absorbers, and FEM-guided shaping reduce stress concentration and extend transcatheter valve durability.

Blended nylon layers raise puncture resistance and lower balloon compliance, helping valvuloplasty catheters handle calcified aortic valves.

A fluid-filled deformable retention section replaces balloon inflation, enabling simpler self-catheterization and controlled urine drainage.

A dual-component TMVR catheter uses a docking rail and torus-balloon barb activation to secure the valve while preserving blood flow.

A detachable balloon with a check-valve sleeve enables precise placement, quick inflation, and controlled embolization through a small catheter profile.

A check-valve balloon on a microcatheter enables precise placement, rapid inflation, and safe detachment to reduce nontarget embolization.

A catheter-guided coaptation element on an anchor rail reduces tricuspid valve regurgitation without open-heart valve replacement.

A tissue-piercing distal probe anchors and re-enters the true lumen to cross chronic total occlusions with less perforation risk and delay.

Opposed extensile protrusions stabilize and aim a catheter in a body lumen while preserving cross-section to minimize blood flow disruption.

A variable-profile balloon and flexible scoring members concentrate incision force on hardened lesions while preserving vessel navigation and positioning.

A self-positioning nitinol wire frame enables selective fallopian tube delivery while limiting uterine pressurization and non-target exposure.

A long, lubricious, variable-durometer tip helps a balloon catheter cross the sigmoid junction for faster venous sinus stent placement and dilation.

A hydrophilic coating and conductive inflation medium turn the balloon wall into a capacitor for precise real-time diameter monitoring.

Segmented annular spring rings let a scoring balloon catheter stay flexible in tortuous vessels while creating evenly spaced lesion grooves.

Feedback-controlled balloon inflation modulates REBOA occlusion from patient vital signs to manage hypertension and hypotension without fluoroscopy.

Electrical activation lets a catheter-delivered bioadhesive patch seal lumen defects with strong adhesion while reducing tissue trauma.

Sequential balloon expansion anchors the guidewire and microcatheter to cross chronic total occlusions with less buckling and vessel wall force.

An optical fiber advanced through a catheter delivers near-infrared light to tumor-bound photosensitizers while limiting blood interference.

Simultaneous right ventricle and pulmonary artery pressure sensing enables continuous cardiac output monitoring without thermodilution.

Multiple infusion channels and deployable needles deliver therapy to intimal and adventitial layers for more uniform vessel-wall coverage.

A permeable tissue support stabilizes the catheter while negative pressure improves urine drainage and relieves venous congestion.

A nested dual-balloon structure with one inflation lumen reduces rupture risk while improving deflation response for frequent ECG-synchronized inflation.

An expandable light-activated bone implant stabilizes fractures while delivering site-specific antimicrobial treatment without systemic antibiotics.

An inflatable sheath covers a screw-in helix during delivery, then retracts at the target site to reduce dislodgement and tool damage.

A slidable suction tip extends from a guide catheter to reach narrow cerebral vessels while maintaining aspiration strength for clot removal.

Real-time pressure and flow sensing derives balloon flow resistance, avoiding reference measurements and improving dilation feedback.

Alternating rigid and flexible balloon sections move hard members inward during deflation, reducing catheter diameter for easier vessel navigation.