Balloon Catheter TRIZ Cases

Segmented expandable catheters navigate tortuous anatomy to capture emboli, preventing dislodgement risks while restoring blood flow.

Expandable penetrating members advance drugs into the intestinal wall, bypassing gastric degradation and improving absorption efficiency.

Constant-length leaflet attachment path maintains functional closure during radial expansion, eliminating repeated surgical replacements for growing children.

Opposite-pitch nested coils create a stiffness gradient that prevents kinking and material binding during vascular navigation.

Multi-lumen catheter with balloon transmits intramuscular pressure to external sensor for continuous monitoring.

An asymmetric dual-lumen catheter shaft reduces rotational whipping through an elliptical cross-section, preventing vascular injury during insertion.

Elongate energy transmission wire delivers activation energy through a transparent catheter treatment region to an inactive agent.

A contrast injector delivers fluid into a vessel using pressure-driven flow.

A dilation catheter features a deflectable shaft assembly enabling single-handed operation for precise anatomical positioning.

Expandable tissue separating members within a cannula enable controlled cell harvest and injection pathways, reducing scarring during regeneration.

Segmented distal tip structures combine rigid rings with flexible proximal portions to prevent deformation during navigation through tortuous anatomy.

Transversely routing thrombogenic fibers through the internal cone shape prevents inner wall contact, reducing hemolysis risk and closure time.

A femoral arterial cannula uses an inflatable balloon to maintain vessel patency and ensure continuous blood flow.

Mechanical vibration from an inflatable balloon breaks down calcium structures in heart valves, restoring flexibility without dislodging tissue particles.

Segmenting the prosthesis into an anchored base stent and a coupled valve component reduces surgical procedure time while maintaining implantation reliability.

A dual-balloon probe separates anchoring from sensing to maintain central positioning for accurate intravesical pressure readings.

An overtube gripping cylinder uses obliquely extending connecting pipes to create an asymmetric structure for operator handling.

A vertebral balloon dilation system uses a curved liner core to guide the expandable element through a single puncture site.

A medical elongate body fills blood vessel recesses with gel to prevent stagnation and turbulence.

Regularly arranged crystal particles on a drug coating layer transfer to blood vessel walls, reducing embolization risk from microparticulates.

Segmented inner shaft design prevents fracture at the proximal opening by distributing stress concentration, enhancing guide wire followability.

A multi-lumen catheter hub uses a gas-filled chamber to transmit bladder pressure to a transducer for continuous monitoring.

An inner tube shaft features an arc-shaped portion and opening that fuses with a proximal side shaft to seal lumens.

A self-expanding anchor enables dynamic repositioning of replacement heart valves before final deployment.

Axial flow control sheath selectively uncovers proximal openings to prevent emboli release during percutaneous aortic cross-clamping.

A catheter apparatus uses a sensing module to detect insertion position and an elastic unit to adjust balloon volume.

A device delivers dry gas to nasal cavities, inducing evaporative cooling of bodily fluids for systemic temperature reduction.

A slitted balloon catheter merges onto a locked guidewire via an adapter wedge, maintaining treatment site access without unlocking the wire.

A tapered guide extension catheter integrates a built-in balloon to facilitate deeper and safer insertion.

A cryotherapeutic catheter shaft incorporates a sacrificial rupture element to release refrigerant from the exhaust passage.

A drug-delivering balloon uses nano-carriers to release therapeutic agents rapidly into coronary tissue.

Nested lumens with optimized wall thickness prevent fluid crosstalk while maintaining structural strength in small-diameter cardiovascular devices.

Transparent syringe barrels enable real-time volume monitoring, resolving visualization difficulties during single-operator dilation procedures.

A catheter balloon features microboreholes and a metal mesh for controlled drug delivery.

Segmented balloon inflation separates abdominal tissue layers to form a precise implantation pouch, reducing trauma and inflammation risks.

A dialysis sheath uses a fluid-actuated stop mechanism to maintain position within a synthetic blood vessel during catheter insertion.

Lateral shearing creates holes in the catheter wall parallel to the bisecting plane, preventing material blockage during manufacturing.

A catheter balloon membrane uses a polyamide elastomer layer disposed inside a polyamide layer to enhance extensibility.

A rotating separator microcatheter performs simultaneous irrigation and aspiration to macerate thrombi during vascular procedures.

A urinary catheter features a pilot balloon that inflates at higher pressure than the retention balloon to verify correct bladder placement.

A perivascular ablation catheter delivers fluid through expandable needles to treat hypertension.

A medical device coating apparatus uses rotation and axial motion mechanisms to apply uniform active agent distributions.