Plant-Cellulose Surgical Thread Research
Official patent title
Surgical nano-biothread made from cellulose fiber
Arabic title: خيط حيوي نانوي جراحي مصنوع من ألياف السليلوز
Invention
Invention
Problem
Conventional petroleum-derived surgical threads can be costly and nonbiodegradable, and the publication states that some must be removed in a second procedure.
Why it matters
A bio-derived surgical filament could reduce reliance on petroleum feedstocks and potentially simplify post-operative management, provided that its medical performance and degradation are demonstrated.
Approach
The method converts waste palm stems and banana-flower bracts into a nanoscale cellulose blend by acid hydrolysis and pyrolysis, mixes the blend with plasticizing and optional formulation components, and casts the resulting polymer through a syringe and needle as nanobiothread.
Who may benefit
Potential beneficiaries include suture and medical-device developers, biomaterials laboratories, surgical-textile researchers, and organizations valorizing palm and banana agricultural waste.
Potential value
The disclosure combines two agricultural-waste feedstocks, a defined nanoscale-cellulose process, and direct syringe-and-needle casting in one proposed route to a surgical filament.
Background
Background
Surgical sutures are commonly made from synthetic petroleum-derived materials. The publication identifies cost, lack of biodegradability, and the possible need for a later removal procedure as shortcomings of such threads. Palm-tree fibers are already used in other material applications, while banana-flower bracts offer another plant-waste source. The disclosed approach therefore explores a cellulose-based filament made from both residues, but the supplied evidence does not establish its strength, tissue response, sterility, or degradation behavior in surgical use.
Technology overview
Technology overview
Waste palm stems and banana-flower bracts are washed and optionally bleached before acid hydrolysis. The claims specify sulfuric-acid and oven-pyrolysis embodiments that form a nanoscale cellulose blend. This blend is combined with polyvinyl chloride, cellulose, starch, and optional plant dyes, gels, waste-oil-derived glycerin, or natural gum. The nanoscale polymer is then extruded or cast through a syringe and needle to form the nanobiothread.
Potential applications
Potential applications
- Candidate bio-derived filament for experimental surgical-suture development.
- Biomaterials research on plant-cellulose threads for wound-closure concepts.
- Prototype nanoscale-polymer fibers produced by syringe-and-needle casting.
- Value-added use of palm-stem and banana-flower agricultural residues.
Evidence-supported advantages
Evidence-supported advantages
- The process uses both palm-stem and banana-flower waste as cellulose sources.
- The claims define washing, bleaching, hydrolysis, pyrolysis, and blending stages.
- Syringe-and-needle casting provides a direct route from polymer mixture to filament.
- Optional plant-derived dyes, gels, glycerin, and gum allow formulation variants.
Development stage
Development stage
Patent publication; development stage not independently verified.
Commercial opportunity
Commercial opportunity
The route may interest suture, biomaterial, and agricultural-waste valorization partners. Medical-device development would require tensile and knot-strength testing, handling assessment, sterilization validation, biocompatibility, controlled-degradation studies, shelf-life data, reproducible manufacturing, and regulatory review before any surgical use. A defined cost model would also be needed.
Patent classifications
Patent classifications
WIPO IPC
- A61B17/06Diagnosis; surgery; identification
- A61L17/10Sterilising materials or objects; disinfecting, sterilising or deodorising air; chemical aspects and materials of bandages, dressings, absorbent pads or surgical articles
CPC
- A61B17/06166Diagnosis; surgery; identification
- A61L17/10Sterilising materials or objects; disinfecting, sterilising or deodorising air; chemical aspects and materials of bandages, dressings, absorbent pads or surgical articles
- C08B15/00Polysaccharides; derivatives thereof
- C08K5/0041Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08L1/02Compositions of macromolecular compounds
- D01D1/02Mechanical methods or apparatus for manufacturing man-made filaments, threads, fibres, bristles or ribbons
- D01F1/06Chemical features in manufacturing man-made filaments, threads, fibres, bristles or ribbons; apparatus for manufacturing carbon filaments
- D01F1/10Chemical features in manufacturing man-made filaments, threads, fibres, bristles or ribbons; apparatus for manufacturing carbon filaments
- D01F2/02Chemical features in manufacturing man-made filaments, threads, fibres, bristles or ribbons; apparatus for manufacturing carbon filaments
- A61B2017/00004Diagnosis; surgery; identification
- C08L2201/06Compositions of macromolecular compounds
- C08L2203/02Compositions of macromolecular compounds
- C08L2203/12Compositions of macromolecular compounds
- C08L2205/025Compositions of macromolecular compounds
- C08L2205/035Compositions of macromolecular compounds
- D10B2201/22Indexing scheme for textiles in section D
- D10B2509/04Indexing scheme for textiles in section D
Inventors
Inventors
- First inventorABM Sharif Hossain
- InventorHassan Ahmed Alrudayni
- InventorMohammed Saad Aleissa
- InventorFazliny Abdul Rahman
Keywords
Keywords
- surgical nanobiothread
- cellulose fiber
- palm stem
- banana bract
- acid hydrolysis
- pyrolysis
- biomaterial
- suture
Patent document and drawings
Patent document and drawings
The patent publication is mapped to this record. Patent drawings remain within that publication; no separately cleared public media package has been supplied.