Balloon Catheter TRIZ Cases

Radial drug crystals in balloon recesses prevent detachment during delivery while ensuring efficient restenosis inhibition.

A pressing member secures linear members on a balloon catheter, preventing detachment and shifting during inflation for reliable vessel dilation.

A shock wave balloon catheter generates mechanical energy to break calcified lesions while releasing medicinal agents from its outer surface.

A plastically-expandable anchoring skirt secures prosthetic heart valves to the native annulus without sutures.

Segmented tray packaging isolates Foley catheters and coiled tubing in preformed compartments, preventing kinking damage while maintaining sterility.

Catheter delivers chemical formulations to target tissues, reducing blood pressure by denervating renal nerves.

Energy delivery catheter fuses tissue layers via localized heating, eliminating mechanical implants and reducing complications from device embolization.

Dual balloon occluding catheter uses a common inflation channel to synchronize vessel blockage.

Segmented catheter design resolves maneuverability versus complexity trade-offs in small intestine procedures.

Retractable needles housed in guiding cannulas enable controlled penetration depth while the inflatable balloon stabilizes the device against vessel walls.

A porous filter assembly removes cholesterol crystals from blood to prevent embolism and renal failure.

A drug-coated balloon catheter delivers therapeutic agents directly to body lumen strictures via a specialized coating layer.

A steerable laser fiber uses a flexible joint and push-pull wire to position the distal tip.

Guide wire contraction pins posterior tissue against the prosthetic sidewall, resolving regurgitation risks from oversized catheters.

Inverting balloon neck seals shortens the distal tip, resolving steering difficulties while maintaining attachment strength against delamination.

Porous membrane retains adhesive on inflated balloon, preventing migration into bloodstream while occluding left atrial appendage.

A radially expandable vaginal anchor prevents balloon dislodgement during uterine contractions, maintaining stable positioning.

Combines an imaging device with a drug eluting balloon to verify complete coating apposition against vessel walls, resolving placement precision challenges.

A dual balloon catheter system resects sinus blockages while dilating the ostium for precise therapeutic delivery.

Pneumatic balloon applies controlled force to esophageal pouch, reducing tissue morbidity from uncontrolled stretching.

A load sharing member with stepped geometry distributes hoop stress away from balloon seals, preventing failure at high pressures.

A multi-lumen catheter uses a gas-filled inner balloon to transmit bladder pressure to an external transducer for continuous measurement.

Internal light sources eliminate complex external delivery systems and saline distension, achieving uniform bladder surface illumination.

A collapsible catheter minimizes cross-sectional profile to maintain pressure measurement accuracy during fractional flow reserve testing.

Deployable snare on elongate shaft captures fixation device to separate native heart valve leaflets without open-heart surgery.

A catheter robot uses switching tracks to translate flexible medical elements without manual intervention.

A catheter with a magnetic element magnetically couples to a guidewire, pulling it through the vessel lumen.

Segmented bioerodible microparticles deliver staged chemotherapy with a lag period, reducing patient burden from repeated interventions.

A transformable annuloplasty ring expands to a circular configuration under dilation force to support prosthetic heart valves.

Magnetic coupling stabilizes dual balloon catheters to create durable transmural lesions while protecting surrounding tissues from thermal damage.

Inflatable fixing and opening balloons secure a tube in the intestine, preventing leakage at anastomosed portions without complex suturing.

A cannula with an expandable distal end transitions from a collapsed insertion state to an expanded configuration for blood withdrawal.

Concave mold cavity collects lumen debris via inverted geometry, resolving complexity trade-offs in medical balloon design.

A catheter balloon integrates radial pressure wave emitters to fragment calcified lesions within blood vessels.

Radially expanding legs on a catheter distal end prevent vessel wall contact and lumen blockage during fluid procedures.

A coronary sinus occlusion device uses sensor data to determine optimal treatment duration for ischemic heart muscle.

A catheter with proximal and distal balloons creates a localized chamber for targeted therapeutic agent delivery.

A catheter blocking mechanism constrains guidewire translation to maintain loop configuration during subintimal reentry procedures.

An intra-esophageal balloon uses a deflecting member to move the esophagus away from an ablation site, preventing thermal injury during procedures.

Integrated elongate ribs in the balloon wall resist tear propagation while improving imaging detectability.

Fine protrusions on a balloon cathode detect tissue impedance to identify lipid distribution and calcification without causing vessel damage.

A cannula with an everting member and hard tube anchors the device to pierce dense vessel obstructions.

Segmented flow channels in a weeping balloon catheter lower infusion pressure to protect cells during therapy.

Asymmetric strut widths create non-cylindrical frames that optimize anchoring and hemodynamics while reducing surgical trauma.

A bi-directional sheath system enables simultaneous antegrade and retrograde vascular access through a single puncture site.

Flexible catheters navigate tortuous nasal pathways to dilate sinus ostia, eliminating trauma to non-pathogenic structures and reducing post-operative pain.

Segmented catheter shaft uses flexible intermediate section to prevent distal narrowing, enabling smooth balloon deflation when pulled back.

A catheter retrieval device features a proximal body with axial freedom on the delivery wire to expand and capture occlusions.

Segmented catheter uses tension-induced deflection to create a helical structure that prevents body lumen occlusion during expansion.

A balloon coating method applies drug solution via a flexible dispensing tube oriented against rotation to control crystal morphology.