Dead Animal Preservation TRIZ Cases

Applying 210 MPa pressure to biological samples suppresses ice crystal formation and metabolic activity, enabling indefinite cryostasis without freezing damage.

A purification kit uses a fractionation filter and absorption cartridge to condition explanted organs for reimplantation.

Keyed disposable basins and cradles maintain precise thermal contact, reducing ischemia injury while simplifying assembly.

Quercetin glucuronide suppresses platelet activation and endothelial damage during ischaemic storage, preventing graft failure.

A perfusion system uses a carbon dioxide sensor to measure metabolic activity and assess tissue viability during extracorporeal storage.

Sealed vitrification carrier uses coolant circulation channels to rapidly freeze biological samples without direct liquid nitrogen contact.

A divalent cation, chloride, vitamin B, and selenium source preserve activated platelets while maintaining CD61 and CD62p positivity.

Amino acid combinations in red blood cell suspension media reduce ionic strength to preserve cell integrity during storage.

A device compresses and deforms small bags to maintain characteristic dimensions matching larger manufacturing scales.

Internal ridges form an air gap that controls thermal conductivity, preventing rapid cooling damage while ensuring uniform thawing of biological tissue.

A cadaverous heart model enables realistic surgical training using mobile anatomical components.

Treating cellular materials with sugars enables room temperature storage, eliminating the need for cryogenic equipment and toxic cryoprotectants.

Monothioglycerol scavenges free radicals to maintain fertilization potential across diverse mouse strains.

A non-Newtonian cryopreservation medium modulates viscosity through shear thinning and thickening stresses to enable controlled perfusion.

Sucrose-based vitrification prevents intracellular ice crystal formation, maintaining motility while eliminating liquid nitrogen storage costs.

Lipid binding protein complexes bind inflammatory mediators in preservation solutions, reducing ischemia injury and improving graft viability.

A physiological salt solution with glutathione and ascorbic acid maintains platelet energy states.

A body tissue monitor detects trigger events in sensor data to determine tissue status.

Periodic media changes in a sterile chamber preserve allograft tissue for 70 days while preventing contamination.

Segmented filters integrated with organ containers prevent particulate clogging and contamination risks during continuous perfusion.

A graft holder system protects osteochondral tissue during transport using a nested cavity design.

A directional freezing method using human serum albumin preserves red blood cell deformability and survival rates during storage.

Direct pooling of thawed hepatocytes at 4°C eliminates centrifugation steps, reducing cellular damage while maintaining viability for drug studies.

Plant-derived extracts in cryopreservation media stabilize cell membranes, preventing DNA breakage and membrane integrity loss during freezing.

Encapsulating ice nucleating agents in hydrogel particles controls nucleation temperature during cryopreservation.

Tilt detector and accelerometer monitor apparatus orientation to prevent air entry into the perfusion circuit, maintaining organ viability.

Normothermic perfusion maintains myocardial viability during extended preservation, enabling pre-transplant defect monitoring and improved donor matching.

Deformable parallel projections in the cap insert create a friction fit within cryovial recesses, improving storage reliability without complex mechanisms.

A single perfusion circuit maintains consistent temperature and composition during organ preservation.

An oxygen-driven diaphragm pump replaces electric motors to reduce system size while maintaining precise cannister pressure for organ transport.

Xanthine oxidase inhibitors and antioxidants in the freezing medium prevent oxidative stress, reducing intra- and inter-assay variability.

A dual-stage vitrification stick uses a movable cap to expose or cover the specimen cavity for cryopreservation.

Seeding endothelial cells into matrix channels with luminal perfusion to form stable, sprouting microvessel networks.

A portable ex vivo perfusion machine maintains normothermic conditions to preserve detached biological tissues.

A serum-free preservation composition containing vanadium compounds and erythropoietin maintains biological material integrity at temperatures above freezing.

Uneven inner surface prevents organ slippage while insulation suppresses temperature rise during transplantation.

Segmented bioreactor applies endothelial overpressure to prevent stromal edema and preserve transparency during extended ex vivo preservation.

Alternates static cold storage with ex vivo organ perfusion to extend donor organ preservation periods beyond conventional limits.

Inclined cells guide sample slides into secure retention, resolving the contradiction between high-density storage capacity and label visibility.

Automated organ cultivation system maintains normothermic conditions through precise perfusion fluid regulation.

Incubating allogeneic grafts with anti-CD4 antibodies depletes CD4+ T cells, preventing rejection while preserving systemic immunity.

A protective agent composition stabilizes circulating tumor cells by inhibiting metabolic activity and preventing apoptosis.

A composite agarose and methylcellulose medium forms a firm gel at 4°C to support 3D spheroid cells during storage.

Sodium phosphate and calcium silicate in the hydration media maintain tissue elasticity and compressive strength during storage.

Desiccating cells below glass transition temperature creates a stable glassy state, eliminating cryoprotectant toxicity and reducing storage costs.

A cryogenic storage rack with independently rotatable shelves enables rapid sample retrieval.

Pneumatic switching controls fluid circulation in a segmented corneal preservation cartridge, extending tissue survival time while managing device complexity.

Near-infrared laser radiation selectively heats water in trehalose solutions to form amorphous solid matrices.

Polyampholyte polymers replace toxic organic solvents to improve cell survival and simplify logistics.