Balloon Catheter TRIZ Cases

A catheter device uses independently controllable expandable elements to capture occlusions within patient lumens.

Inflating a distal balloon anchors the guide extension against vessel walls, stabilizing delivery through tortuous anatomy.

Segmenting the balloon from the guide catheter reduces profile and increases flexibility, allowing navigation into distal cerebral vasculature.

A handheld syringe inflator transfers fluid to expand a balloon dilator within an anatomical passageway.

Segmentation creates independent lumens for therapeutic delivery and vascular blocking, resolving non-selective distribution in radioembolization.

A fluid pressurizing device uses a half-nut cam mechanism to enable intuitive plunger rotation and linear actuation.

A monolithic multilayer distal outer member combines a high-tensile inner polymer with a flexible outer layer to create a robust catheter shaft.

Segmented expansion and deflection components enable precise lateral esophageal movement while maintaining circularity and reducing tissue trauma.

A lockable syringe uses a desmodromic mechanism to reciprocate a threaded segment for controlled plunger movement.

An impeller-driven catheter pumps blood to lower pressure at lymphatic duct outlets.

Shape memory arms expand asymmetrically to stabilize the working space and improve instrument maneuverability during minimally invasive surgery.

Segmented core wire fixation balances stiffness and flexibility, preventing kinking during insertion into curved blood vessels.

A swallowable capsule uses an expandable balloon to push therapeutic agents into the intestinal wall for direct absorption.

An expandable balloon conforms to organ geometry, stabilizing the catheter to ensure uniform endometrial ablation.

A balloon flow REBOA catheter directs blood through perfusion ports to bypass occluded segments.

Oil diffuses through catheter walls to form a smooth surface, preventing bacterial adhesion and biofilm formation on medical devices.

Repositionable indicator collar resolves fluoroscopy visibility contradictions.

An endovascular shunt drains cerebrospinal fluid through the inferior petrosal sinus to lower intracranial pressure.

Segmented medical tubing uses alternating polymer durometers to provide controlled flexibility and axial stiffness.

Surface activation of resin tube joining regions enables adhesion without thermal fusion, preventing stiffness and contraction defects at the joint.

Expand P4HB tubes above melting temperature to prevent radial deformation during cooling.

Ultrasound-driven microbubble cavitation increases vascular permeability, reducing systemic exposure while maintaining therapeutic efficacy.

A dual-lumen catheter with a crescent-shaped retention balloon secures placement within the bladder.

Telescoping inner member compensates for longitudinal balloon growth and shaft bending to prevent geographic misplacement of the treatment zone.

Segmented applicator design minimizes infection risk and patient discomfort by allowing the surgical wound to heal before radiation treatment.

Balloon catheter prevents air ejection and tissue damage during cardiac viability measurement.

A catheter system uses serial balloons and a light fiber to deliver therapeutic agents for controlled tissue restoration.

A urinary catheter assembly integrates oxygen and flowrate sensors to measure urine mass flow.

Radiofrequency heating seals plaques without tissue denaturation, restoring vessel patency while preventing reclosure risks.

Segmented shaft lumens retain saline solution to lubricate the guidewire for smoother insertion.

Fluid pressure expands balloons to move the sheath, reducing deployment force transmission and improving positioning accuracy.

Internal heated gas preheats angioplasty balloon preforms, reducing temperature deviations and improving wall thickness precision during stretch blow molding.

Central vent hole directs fluid flow medially to prevent stent migration during balloon inflation.

A fluid feeding circuit uses a vent opening to manage backpressure against the compressor.

Inner elastic member forms a projection portion that nicks stenosed sites while ensuring even dilation pressure distribution.

Segmented guide and intermediate catheters navigate tortuous vasculature, enabling precise device delivery while maintaining blood flow.

A composite medical balloon employs a hybrid outer layer with a tube and spiral wrapping to eliminate longitudinal fins from manual cutting.

A lasso filter microcatheter captures emboli while irrigating and aspirating clots.

In-vitro biological valve calcification evaluation method using a reducing calcium ingredient solution to block calcium ion binding.

A balloon catheter with variable flexural rigidity stabilizes the device during coronary sinus occlusion.

Encapsulating probe wiring between expandable membranes prevents wire entanglement and exposure during ablation procedures.

Integral dilation elements resist bending loads while concentrating pressure to crack hardened stenoses without adhesive detachment risks.

A balloon catheter system adjusts inflation pressure to control diameter during cryoablation procedures.

Wireless transmitter sends pressure data to remote display via proximity pairing, avoiding surgical view obstruction.

Variable groove patterns in the distal shaft suppress kinking during navigation through meandering blood vessels.

Culturing patient-derived pulmonary arterial endothelial cells allows in vitro drug screening to resolve unpredictable therapy responses.

A transcatheter band encircles papillary muscles to reposition them, reducing surgical invasiveness and risk compared to open ventriculoplasty.

A cannulated delivery tube with an expandable tip seals annular defects during nucleus pulposus replacement.

Vapor phase media applies thermal energy via phase change, resolving localization issues from non-linear electromagnetic distribution.

A spacer establishes a stable anchoring surface inside bioprosthetic structures, preventing over-expansion and ensuring proper leaflet coaptation.