Wound Drains TRIZ Cases
- Integrated Drainage Tube Unit with Merged Connection Parts
Merging separate connection components reduces structural complexity and manufacturing costs while ensuring safe handling of bodily fluids.
- Lumbar Intrathecal Catheter with Dual Reservoir for Bidirectional CSF Exchange
A lumbar intrathecal catheter connects to a subcutaneous dual reservoir pump enabling simultaneous bidirectional cerebrospinal fluid exchange.
- Implantable Chamber with Hydrophobic Exterior for Fluid Collection
Hydrophobic exterior prevents fibrous tissue encapsulation while internal porosity stabilizes the implant.
- Flexible Overlay for Wound Pressure Seal
A flexible impermeable overlay collapses to form a hermetic seal with the body under reduced pressure.
- Star-Shaped Antireflux Ureteral Stent Preventing Vesicoureteral Reflux
Umbrella-shaped flexible mechanism expands into a funnel structure to prevent vesicoureteral reflux in ureteral stents.
- Osmotic Fluid Removal Reservoir Using Semipermeable Membrane
Implanted reservoir draws patient fluid via osmotic pressure through a semipermeable membrane, eliminating harsh suction or pumping mechanisms.
- Reduced Pressure Dressing with Liquid-Air Separator
An integrated liquid-air separator protects the pump from fluid damage while maintaining reduced pressure at the wound.
- Protruding Membrane for Reduced Pressure Wound Therapy
Segmented membrane channels deliver negative pressure while separating exudate from the source to prevent clogging.
- Urinary Probe Assembly with Hydrophilic Introducer Sheath
A urinary probe assembly uses a hydrophilic coating on its introducer sheath to reduce friction during insertion.
- Adjustment Circuit Assembly for Hydrocephalus Shunt Valve
A hydrocephalus shunt valve employs a resistive adjustment circuit to modify pressure settings without magnetic interference during MRI procedures.
- Implantable Flow Connector Sutureless Anastomosis
Self-expanding flow connector eliminates suturing to reduce leakage and thrombosis risk during anastomosis.
- Pressure-Actuated Valve Apparatus for Tissue Site Liquid Flow Control
Reduced pressure transmits through a conduit to move valves, regulating liquid delivery to a tissue site while preventing uncontrolled fluid accumulation.
- Shunt Flusher Using Pressurized CSF Impulse Flow
A shunt flusher uses a reservoir to pressurize cerebrospinal fluid and rapidly release it as an impulse flow, clearing occlusions without surgical intervention.
- Combined Catheter-Stent Fluid-Controlled Clamp Mechanism
Fluid pressure actuates a clamp on the catheter shaft to secure or release a ureteral stent, eliminating invasive cystoscopy procedures.
- Subcutaneous Ureteral Bypass Device with Sampling Port
A subcutaneous ureteral bypass device connects renal and bladder catheters to a sampling port for long-term urinary diversion.
- Medical Dressing Valve for Negative Pressure Wound Therapy
Normally-closed valve integrated into medical dressings enables fluid removal while maintaining a sealed environment.
- Self-Cleaning Catheter Split Tip Pulsatile Flow
Segmented catheter tips utilize pulsatile flow to dislodge debris, reducing clogging in narrow shunt passageways.
- Peritoneal Shunt With Manual Backup Pump
An electronic pump creates periodic bolus flows to clear blockages while passive pressure drives drainage, extending battery life.