Balloon Catheter TRIZ Cases

A retrieval catheter delivers flushing fluid and aspirates oocytes from the fallopian tube via a transcervical path.

A catheter delivers perfusate with controlled oxygen levels during percutaneous coronary intervention.

Segmented rounded protrusions on a medical device distal tip reduce vessel wall abrasion and kinking during navigation through tortuous paths.

A modular infusion catheter uses an occlusion balloon to isolate myocardial vessels and measure pressure for real-time microvascular diagnosis.

A catheter balloon uses a segmented reinforcement member between elastic layers to enable axial and circumferential movement for improved flexibility.

A superelastic wire halo expands to form a hemostatic seal, reducing tissue trauma and fluid loss during minimally invasive cardiac procedures.

An inflatable balloon anchors a multi-lumen rectal tube, eliminating painful repositioning during prolonged medication administration.

Oxygen plasma etching transforms carbon nanotube pillars into sharp-tipped microneedles, resolving fabrication complexity while ensuring structural strength.

Segmented catheter balloons conform to irregular tumors via independent inflation, reducing normal tissue exposure and bleeding risks.

A latex balloon filled with ultrasonic-destroyable microcapsules enables controlled chemical dissolution for reliable occlusion termination.

Nested tubular members with expandable regions deliver variable stiffness to guidewires, enabling traversal of chronic total occlusions.

Segmented compliant balloons physically block venous return pathways, eliminating reliance on rapid ventricular pacing and preventing ventricular expansion.

Segmented lumens and preliminary positioning enable precise re-entry into the true lumen, reducing procedural complexity for chronic total occlusion treatment.

A balloon catheter with a moveable cutting element performs controlled plaque modification during dilation.

Nested inner and outer frames with flexible coupling arms reduce collapsed volume while maintaining structural strength during deployment.

Integrating radiopaque markings on balloon end sections defines the working surface, resolving shaft marker misalignment and reducing procedural time.

A curable adhesive composition secures a bioprosthetic heart valve to tissue using electromagnetic energy curing.

Intravascular splanchnic nerve ablation increases venous capacitance, reducing pulmonary blood pressure and recurrent heart failure admissions.

Coaxial dual catheter segments flow arrest and thrombus removal to reduce procedure time while preventing distal embolization.

Independent positioning members inflate selectively to reduce normal tissue radiation exposure.

A dual-balloon catheter system seals the amniotic membrane while extracting fluid.

A balloon catheter enables home-based esophageal dilation through remote inflation control.

A vascular closure sheath integrates a distal balloon and expandable anchor to secure device placement.

Hydraulically inflatable stabilizers compress against the inner shaft to fix the second catheter position, preventing deformation during PTA procedures.

Cannula catheter delivers oncotically active agents into the inner renal medulla interstitium to modify local osmotic pressure.

Embedded braided reinforcement prevents catheter shaft breakage during pullout against blood vessel spasm forces.

Replacing rigid check valves with a flexible film reduces catheter diameter, easing insertion and minimizing patient exclusion risks.

Inverting the outer frame of a prosthetic mitral valve enables collapse into a delivery sheath, reducing patient morbidity during transfemoral deployment.

Diamond-shaped cells expand to engage tissue, resolving the contradiction between minimally invasive delivery and stable anchoring.

A tapered endograft valve increases fluid velocity through geometric narrowing to reduce stasis-induced thrombosis in dysfunctional veins.

Segmented catheters with proximal and distal openings maintain continuous blood flow to prevent ischemic injury while treating clots.

Bulge cavities in the plate assembly accommodate membrane expansion, resolving sterility and heat transfer trade-offs.

Segmented catheter tubes enable increased radiation dosage while maintaining navigation flexibility through dynamic stiffness control.

Helical scoring elements on an expandable shell treat calcified lesions while maintaining flexibility for navigation through tortuous vessels.

A radiopaque insert embedded in a medical balloon identifies the working surface location independently of the catheter shaft.

A conical drug-coated balloon catheter dilates arteriovenous shunt lesions using high-pressure expansion and targeted antiproliferative delivery.

Anchored balloon expands stenotic valves without creating pressure gradients or requiring rapid heart pacing.

Nesting the distal neck inside the balloon chamber shortens the catheter tip, resolving steering difficulty while maintaining attachment strength.

A self-expanding conical electrode deploys from a catheter tip to map and ablate tissue within the pulmonary vein ostium.

Braided shaft portions create perfusion openings that prevent pressure build-up during balloon expansion for accurate prosthesis placement.

Heated dilatation balloons apply pulsating mechanical stress to stimulate collagen remodeling and blood flow for effective vaginal rejuvenation.

Segmented wire guide system with adjustable handle maintains access while reducing friction during biliary device exchange.

An asymmetric balloon mounted on a biliary drain expands strictures, reducing patient discomfort and frequent exchanges.

A curved catheter navigates between expandable nasal obturators to reach deep sinus cavities.

Inflatable balloon and valve seal prevent embolic backflow into vasculature, ensuring precise delivery at the target site.

A dual-balloon system with micro-needles delivers therapeutic fluids directly into tissue.

A syringe inflation device uses a mechanical pressure indicator to alert users when predetermined pressure is reached.

A dual-layer medical balloon employs a reflow inner material to support outer surface texturing, preventing slippage without compromising foldability.

Inner shaft isolates pressure monitoring port from exhaust flow to measure fluid pressure accurately within the expandable element.

A balloon expandable bioprosthetic valve uses a folded biological cuff and monofilament suture to create commissures.