What Is Renuva?
Renuva is a novel tissue augmentation material consisting of water and a polysaccharide gel former, such as cellulose, starch, chitin, chitosan, hyaluronic acid, or alginate. It is designed for soft tissue augmentation in various areas, including the facial region and vocal folds.
Properties of Renuva
Composition and Structure
Renuva is a hydrophilic, aqueous substance active (HASA)-gel matrix composed of a homeopathic compound and an uninhibited aqueous composition combined with a hydrophilic gelling agent. The homeopathic compound has a potency of at least 6X or a dilution factor of at least 10^-4. The gel matrix can be formed using a thickening agent, crosslinking agent, or polymerization agent.
Properties and Performance
- Renuva is designed to prevent or reduce tissue damage, particularly in aesthetic procedures like dermal fillers.
- It can diminish, decrease, or avoid bruising and bleeding when used concurrently with dermal fillers, especially hyaluronic acid fillers.
- The HASA-gel matrix provides a hydrophilic, cohesive, and moldable structure suitable for dermal filling and contouring applications.
- Compared to traditional crosslinked hyaluronic acid fillers, Renuva offers improved cohesivity, moldability, and injectability.
- The dynamic and flexible nature of the coacervate hydrogel allows for better lifting capacity and moldability.
Uses & Benefits of Renuva
Applications
Renuva is a tissue augmentation material used for soft tissue augmentation and regeneration in various areas, including:
- Facial region: It can be injected to augment and rejuvenate facial tissues, correcting cosmetic defects and signs of aging.
- Vocal folds: It can be injected into the vocal folds to augment the tissue, treating unilateral vocal cord paralysis.
- Urethral sphincter augmentation: It can be injected into the urethral sphincter to augment the tissue, treating urinary incontinence.
- Soft tissue voids and blebs: It can be used to fill soft tissue voids and create soft tissue blebs.
- Mammary implants: Renuva can potentially be used for breast augmentation or reconstruction.
Benefits
- Biocompatible and permanent: Renuva is a biocompatible material that provides a permanent scaffold for autogenous, non-scar soft tissue growth at the augmentation site.
- Minimally invasive: It can be injected intradermally or subcutaneously, making the procedure minimally invasive.
- Natural tissue regeneration: Renuva promotes the growth of new, natural soft tissue at the injection site, rather than just filling the space.
- Improved delivery: Renuva can be suspended in a biocompatible, resorbable gel carrier, improving its injectability and delivery to the desired tissue site.
- Versatile applications: Renuva can be used for various soft tissue augmentation and regeneration purposes, including cosmetic, reconstructive, and functional applications.
By promoting natural tissue regeneration and providing a permanent, biocompatible scaffold, Renuva offers a promising approach for minimally invasive soft tissue augmentation and regeneration across multiple applications.
How is Renuva Made?
Renuva is an adipose tissue-derived extracellular matrix (ECM) material produced through a decellularization process to remove cells and immunogens from adipose tissue while preserving the native ECM components. The key steps include:
- Adipose tissue preparation: Human adipose tissue obtained from liposuction is prepared without separate defatting and decellularizing processes initially.
- Defatting: Lipid components are removed from the adipose tissue.
- Decellularization: Cells and immunogens are removed from the delipidized adipose tissue using detergents or other agents.
- Washing: The decellularized adipose tissue is washed to remove residual chemicals.
- Freeze-drying: The washed tissue is freeze-dried.
- Pulverization: The freeze-dried material is pulverized into a powder form.
This rapid decellularization process can greatly enhance the efficiency of defatting and decellularizing compared to conventional methods. The resulting adipose ECM powder retains native components like glycosaminoglycans, proteins, and peptides.
Latest innovations
Recent advancements in Renuva technology include :
- Combination with stem cell-derived exosomes to enhance collagen production and anti-aging effects
- Incorporation of hyaluronic acid and crosslinking agents (e.g., BDDE) to improve viscoelasticity and longevity
- Development of composite formulations with biocompatible polymers (e.g., chitosan) for controlled release and improved handling properties
- Exploration of new delivery methods, such as pre-filled syringes or microneedle arrays, for improved patient experience and precision.
These innovations aim to further optimize the performance, longevity, and versatility of Renuva, expanding its applications in regenerative medicine and aesthetic procedures.
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