Surgical Adhesives TRIZ Cases

Glucose-adhered bioresorbable substrates minimize donor site trauma by enabling segmented micrograft harvesting and stable integration at the recipient site.

Segmented PMMA moldings ensure stoichiometric ratios, reducing residual monomer risks in dental prostheses.

Stacked fibrillar collagen layers in a 3D printed hemostatic product resolve swelling pressure risks while maintaining absorption capacity.

An ostomy adhesive wafer uses an off-center starter hole surrounded by converging cutting guidelines to position the pouch inlet higher on the appliance.

Oxime cross-linked hydrogels form stable barriers on cardiac tissue to reduce cellular adhesion and protein adsorption.

A liquid embolic composition uses a biocompatible mixing agent to create a fluoroscopically visualizable suspension through simple hand agitation.

A pressure-sensitive silicone adhesive composition maintains peel strength and tack properties after gamma irradiation through controlled crosslinking.

Covalent grafting of BMP-2 mimetic peptides onto phosphocalcic supports overcomes immune reactions and misfolding to ensure reliable bone regeneration.

Burstable membrane valves in this medical device mix compositions into a reactive solid while preventing component degradation and polyurea buildup.

Sorbitan fatty acid ester surfactant creates resin particles with uniform size and high dispersibility, suppressing fine particle generation.

A two-part curable adhesive combines oxalamido compounds with derivatized polyethylene imine to form a flexible, biocompatible bond.

A modular spacer device composed of two assembled modules each loaded with a different antibiotic allows for easy assembly and independent control of release.

Graded bioadhesive resolves suture failure by distributing stress concentrations across the repair interface.

A photosensitive resin composition with polysiloxane fractions forms durable overcoats and spacers.

Crosslinking catechol derivatives with amines yields flexible membranes that support cell adhesion without toxic by-products.

Photopolymerization of the adhesive composition raises shear adhesion failure temperature to 425°F while maintaining room-temperature flowability.

A hydrophobic adhesive matrix incorporates dispersed water absorbent fibers to manage perspiration and wound fluid while maintaining securement.

A light-guiding adhesive patch integrates optical transmission with tissue adhesion to deliver photodynamic therapy directly to organic matter surfaces.

A platelet gel bio-membrane accelerates skin lesion repair and bone formation.

A biphasic calcium phosphate bone substitute material features a sintered core coated with an epitaxially grown nanocrystalline hydroxyapatite layer.

A hydrophobically modified gelatin derivative adheres to tissue and coagulates blood without requiring calcium ions.

An anisotropic adhesive wafer accommodates skin movement while maintaining secure adhesion through directional stiffness.

A PEG-CL-LA triblock copolymer film incorporates fibrinogen and thrombin to form a tissue sealing patch.

Mucoadhesive powder seals lesions via phase transition, resolving the trade-off between application ease and treatment reliability.

Solvent-detergent treatment inactivates viruses while anion exchange medium concentrates prothrombin for clinical use.

Copolymer optimization reduces leakage while maintaining manual injection force.

Acrylic copolymer adhesive prevents glue residue and skin irritation by balancing cohesive force with drug release via specific plasticizer ratios.

Incorporating lipidated tissue factor into fibrin sealants overcomes heparin-induced anticoagulation to deliver reliable wound sealing.

A two-component sealant crosslinks at body temperature to form a flexible barrier that adapts to skin contours.

Continuous planetary roller extrusion replaces batch mixing to improve heat exchange and homogeneity in pressure-sensitive adhesive production.

Polymerizable adhesive composition permeates flexible substrate to form durable microbial barrier, eliminating mechanical trauma from sutures.

Decellularized extracellular matrix hydrogels with nanoclay provide permanent arterial occlusion through shear-thinning rheology and sol-gel transition.

A silk fibroin electrospun membrane incorporates the GPRPPSEHLQIT polypeptide to bind human fibrinogen.

Screen printing deposits liquid silicone onto substrates to form uniform adhesive layers, eliminating material waste from conventional cutting methods.

A dual paste injectable bone cement system simplifies surgical application by eliminating manual mixing steps through pre-packaged acidic and alkaline components.

A UV curable silicone rubber composition cures via photoinitiated hydrosilylation using a photoactive platinum complex catalyst.

Spray-dried crosslinked gelatin particles adhere to wet tissues, resolving the trade-off between biodegradability and adhesion in ESD wound dressings.

Embedding chondrocytes in a chitosan hydrogel prevents dedifferentiation during expansion, enabling direct implantation of hyaline cartilage.

Dispersing hydrophilic carbohydrates and antimicrobial agents in a crosslinked silicone gel reduces skin trauma during removal while maintaining holding power.

A liquid adhesive composition uses a low boiling point biocompatible solvent to enable in-situ co-polymerization of cyanoacrylate and polyisobutylene.

Moisture application enables consistent coiling of collagen carriers, resolving sterility versus productivity trade-offs in minimally invasive surgery.

Segmented ostomy wafer uses distinct adhesive zones to resolve the contradiction between leak-proof reliability and gentle skin removal, preventing trauma.

A light-switchable adhesive composition transitions between application, wear, and removal states using distinct photoinitiators.

Pre-mixed PMMA bone cement cartridges eliminate manual mixing errors and hazardous vapor exposure by delivering ready-to-use paste with controlled hardening.

A polycaprolactone dendrimer bioadhesive uses diazirine groups to form covalent bonds upon stimulation.

A gecko-inspired surface structure with plastically deformable rods provides dry adhesion for medical device fixation.

Injecting a liquid thermosensitive polymer that transforms into a gel at body temperature seals the biopsy tract, preventing air entry and pneumothorax.

Chemically cross-linked biodegradable material recovers shape after deformation through controlled glass transition temperature.