Explore our high-demand OEM/ODM single-use instrumentation ready for market licensing, regulatory harmonization, and private-label integration.
A rigorous examination of epidemiological dynamics, clinical shifts toward minimally invasive hemostasis, and supply chain rationalization across gastroenterology ecosystems.
In modern interventional endoscopy, the sclerotherapy needle—also internationally classified as the endoscopic injection needle—serves as the indispensable first-line instrument in managing gastrointestinal emergencies and facilitating complex mucosal resections. Epidemiologically, the accelerating prevalence of liver cirrhosis, non-alcoholic steatohepatitis (NASH), portal hypertension, and peptic ulcer bleeding has sustained acute global demand for reliable, ultra-responsive hemostatic delivery systems. Simultaneously, the universal standardization of early oncological interventions—specifically Endoscopic Mucosal Resection (EMR) and Endoscopic Submucosal Dissection (ESD)—has transformed the endoscopic needle from a simple fluid instillator into an engineered precision device that governs mucosal lifting duration, margins of tissue planes, and microvascular safety.
Historically, endoscope channel instrument failure was dominated by catheter buckling, lumen collapse under acute scope angulation, premature bevel deployment that lacerated biopsy channels, and inconsistent liquid jet pressures during viscous sclerosing agent delivery. In high-volume endoscopic units across Europe, North America, and the Asia-Pacific, procurement directors are aggressively replacing legacy multi-piece consumables with fully integrated, single-use ODM assemblies. This transition is motivated not merely by infection control protocols regarding Carbapenem-Resistant Enterobacteriaceae (CRE) and prion decontaminations, but by measurable procedural economics: cutting procedural abort rates and shortening procedure time by eliminating needle stalling in tortuous duodenal or retroflexed gastric positions.
Rapid extravasation arrest via targeted micro-injections of 1:10,000 epinephrine, polidocanol, or sodium tetradecyl sulfate into the bleeding stroma. Precise depth control prevents gastric wall transmural penetration and inadvertent intra-peritoneal seeding.
Navigating lethal bleeding from gastric and esophageal varices using N-butyl-2-cyanoacrylate and Lipiodol emulsions. Demands chemically inert fluoropolymer liners that prevent polymerization-induced catheter occlusion or early needle jamming.
Creating persistent, high-volume fluid cushions using hypertonic saline, hyaluronic acid, or glycerol solutions. Ensures prolonged separation of the muscularis propria from mucosal neoplasia during extended electrosurgical dissection.
A breakdown of metallurgical integrity, co-extruded catheter physics, and ergonomic actuating handles manufactured under Jiangxi ZhuoRuiHua Medical's vertically integrated quality regime.
The operational efficacy of an endoscopic sclerotherapy needle is defined by its mechanical resistance to buckling and its hydraulic flow performance. At ZhuoRuiHua Medical, our ODM manufacturing platform deploys medical-grade 304 and 316L surgical stainless steel micro-tubing. Every needle cannula undergoes multi-axis electrochemical bevel grinding to produce an ultra-sharp lancet or modified tri-facet cut. This reduces the tissue penetration force to below 0.8 Newtons, mitigating the risk of tissue tearing, hematoma enlargement, or accidental perforation of the thin right colon or esophageal wall.
The catheter sheath is engineered with a composite multi-layer architecture. An internal fluorinated ethylene propylene (FEP) or polytetrafluoroethylene (PTFE) core ensures minimal fluid friction during high-viscosity agent delivery, while an outer layer of high-density polyethylene (HDPE) or Pebax provides critical kink resistance and pushability. A distal stainless-steel metal anchor tip is laser-welded to the outer sleeve; this prevents the needle tip from coring into the catheter during retraction and guarantees an unmistakable fluoroscopic and endosonographic landmark.
| Needle Gauge (G) | Outer Diameter (OD) | Catheter Length | Needle Projection | Min. Working Channel | Primary Clinical Designation |
|---|---|---|---|---|---|
| 21 Gauge | 2.3 mm – 2.5 mm | 1600 mm / 2300 mm | 4.0 mm / 5.0 mm / 6.0 mm | 2.8 mm | Viscous EMR/ESD lifting media, Cyanoacrylate varices |
| 22 Gauge | 2.3 mm | 1800 mm / 2300 mm | 4.0 mm / 5.0 mm | 2.8 mm | Standard GI peptic ulcer hemostasis, Polidocanol injection |
| 23 Gauge | 1.8 mm – 2.3 mm | 1600 mm / 2300 mm | 4.0 mm / 5.0 mm | 2.0 mm / 2.8 mm | Duodenal ulcer, pediatric endoscopy, thin-wall colon lifting |
| 25 Gauge | 1.8 mm | 1600 mm / 2000 mm | 3.0 mm / 4.0 mm | 2.0 mm | Micro-vascular epinephrine injection, bronchoscopy spraying |
Equipped with an intuitive thumb-ring slider, tactile position lockouts, and an audible "click" that confirms full extension and full retraction. Prevents unintentional needle emergence inside the scope channel.
Minimized dead-space design significantly decreases medication priming volume, reducing residual waste of expensive pharmaceutical agents (e.g., purified hyaluronic acid formulations and thrombin solutions).
The polished stainless steel end collar absorbs internal mechanical pressure and shields the flexible PTFE sheath from internal puncture when the needle is withdrawn through acute bends.
From initial rapid 3D prototyping and custom extrusion dies to high-speed automated assembly, packaging, and terminal sterilization.
Jiangxi ZhuoRuiHua Medical Instrument Co., Ltd. operates state-of-the-art production infrastructure designed specifically to meet the high-volume, defect-free supply requirements of international medical brand owners and hospital distributors. With vertically managed operations encompassing multi-lumen extrusion, high-precision metal processing, cleanroom assembly, and validation testing, we remove single-point supply risks and provide comprehensive design control traceability.
Our OEM/ODM agreements cover every parameter required to conquer regional market tenders. We provide full customization of catheter outer diameters (1.8mm to 2.5mm), working lengths (up to 2500mm for enteroscopy), needle tip geometry (including side-hole configurations and echogenic band additions), handle color ergonomics, and private-label blister packaging with localized IFU (Instructions for Use) documentation.
Tailor needle bevel angle, bevel direction relative to handle orientation, radiopaque distal marking, and catheter flexibility gradients to match your target clinical procedural protocols.
Fabrication within ISO 14644-1 Class 7 cleanrooms. Every manufacturing batch undergoes three strict quality gates: raw material verification, 100% pneumatic flow and sheath integrity testing, and post-sterilization biocompatibility audit.
Medical-grade Tyvek-to-film blister packaging designed for ethylene oxide (EtO) sterilization permeability. Complete regulatory labeling support including GS1 DataMatrix barcodes, UDI compliance, and multi-language IFU layout.
Comprehensive technical dossiers, biocompatibility verifications, and cross-border regulatory compliance enabling seamless import licensing in mature and emerging markets.
Bringing endoscopic class IIa and class II consumables to hospital tender boards requires unyielding regulatory documentation. Jiangxi ZhuoRuiHua Medical operates under an audited ISO 13485:2016 quality management framework. Our devices comply with international directives, eliminating regulatory friction for our global distribution partners.
Our regulatory affairs division provides turnkey technical document suites (Tech Files) aligned with the European Union Medical Device Regulation (EU MDR 2017/745), United States FDA 510(k) pre-market notification predicate analyses, Brazil's ANVISA RDC requirements, and China's NMPA standards. Partnering with us gives you ready access to comprehensive testing records:
Full biological evaluation reports covering cytotoxicity, intracutaneous irritation, acute systemic toxicity, hemocompatibility, and pyrogenicity testing performed by independent GLP-certified laboratories.
Validated ethylene oxide sterilization cycles guaranteeing a Sterility Assurance Level (SAL) of 10⁻⁶. Complete dissipation monitoring ensures residual ethylene oxide (EO) and ethylene chlorohydrin (ECH) fall well below international thresholds.
Physical transit validation according to ASTM D4169 standards and real-time/accelerated aging verification conforming to ISO 11607, ensuring a verified 3- to 5-year sterile shelf-life in any clinical climate.
How Jiangxi ZhuoRuiHua Medical is integrating sensor intelligence, echogenic visibility, and advanced micro-coatings into future clinical portfolios.
Micro-patterned echogenic bevel arrays engineered for Endoscopic Ultrasound (EUS) guided neurolysis, celiac plexus blocks, and targeted cystic tumor sclerotherapy, guaranteeing ultra-bright acoustic reflection under linear ultrasound scopes.
Integrated tactile hydraulic indicators that detect tissue back-pressure spikes in real time. This alerts the physician when injecting against muscularis propria resistance or deep adventitia, drastically curbing the risk of transmural extravasation.
Tapered micro-cannula engineering featuring a 25G ultra-sharp distal penetrating tip transitioning seamlessly into a 21G high-volume hydraulic shaft. This delivers swift tissue entry while preserving ultra-low injection resistance for viscous polymers.
Next-generation internal lumen fluoropolymer grafting that entirely prevents immediate adhesive polymerization when infusing fast-acting histoacryl and cyanoacrylate glues, guaranteeing clean flushes and zero needle jamming.
Direct technical and operational answers to the most vital questions raised by medical brand owners, hospital tender committees, and supply chain directors.
Complementary surgical instruments engineered under identical ISO 13485 cleanroom specifications for full-suite endoscopic sourcing.
Partner directly with the source engineering manufacturer. Our regulatory specialists, tooling designers, and global supply managers are available to review your tender matrices and technical specifications within 24 hours.
