Kingphar Medical Group

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21/5 2026

Surgical Consumables · Specifications Guide

Gauze Ball Specifications:
Sizes, X-Ray Detectable Threads
and Surgical Procurement Guide

A complete reference for hospital purchasing teams and distributors sourcing surgical gauze balls — covering diameter ranges from 10mm to 50mm, X-ray detectable barium sulfate thread specifications, sterile packaging configurations, and compliance with DIN EN 14079, USP Type VII, and BP standards.

10mm–50mm Diameter 100% Cotton USP Type VII X-Ray Detectable (BaSO₄ ≥55%) EN 14079 Compliant EO / Gamma Sterilized OEM From 50,000 pcs

Albar

Content Auditor & Content Operations · Kingphar Medical

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Standard Diameter Range

10–50mm

Across 8 standard sizes

Cotton Material

100%

USP Type VII bleached

BaSO₄ in X-Ray Thread

≥55%

Exceeds detection threshold

Sterile Pouch Pack

5 pcs

EO or gamma sterilized

Section 01 · Product Overview

What Is a Surgical Gauze Ball?

A surgical gauze ball is a small, tightly compressed sphere or oval of woven cotton gauze used during surgical procedures and wound care for absorbing blood and exudate, cleaning the operative field, applying topical agents, and packing small cavities. Unlike flat gauze swabs or laparotomy sponges, the spherical form retains volume under pressure and conforms readily to narrow apertures — making it the preferred dressing form for ENT, ophthalmic, dental, and certain general surgical applications.

Gauze balls are manufactured from 100% bleached cotton yarn, woven and then mechanically compressed into shape. The compression process eliminates loose fibers and produces a low-lint sphere that resists fragmentation during use. They are supplied in a wide range of diameters, available with or without an X-ray detectable thread woven through the structure, and packaged either sterile (for direct surgical use) or non-sterile (for on-site sterilization or non-invasive applications).

Three Functional Size Categories

Small (10–15mm) — ENT, ophthalmic, dental, and pediatric procedures where access is restricted
Medium (20–30mm) — General surgery for blood absorption, field cleaning, and antiseptic prep application
Large (40–50mm) — Cavity packing, gynecological procedures, orthopaedic and laparotomy applications

Procurement Note

Hospital purchasing teams typically procure across all three size categories to cover the full range of surgical specialties served by the facility. A standard tender often includes at minimum: a small sterile X-ray-free variant (for ENT/ophthalmic), a medium sterile X-ray detectable variant (for general OR), and a large sterile X-ray detectable variant (for cavity-risk procedures).

Section 02 · Standard Specifications

Sizes, Weights & Construction Parameters

Standard manufacturer offerings include eight common diameters spanning from 10mm to 50mm. Per-piece weight ranges from approximately 0.3g for the smallest balls to over 2g for the 50mm configuration. The reference table below summarizes the most commonly tendered configurations.

Diameter	Typical Weight	Common Ply	Primary Clinical Use
10mm	~0.3g	4-ply	Ophthalmic, dental aperture
15mm	~0.5g	4-ply	ENT, dental, paediatric
20mm	~0.7g	4-ply	General prep, minor procedures
25mm	~1.0g	4-ply	General surgery field cleaning
30mm	~1.2g	4–6 ply	Blood absorption, antisepsis
40mm	~1.6g	4–8 ply	Gynaecology, orthopaedic, cavity
45mm	~1.9g	4–8 ply	Cavity packing, laparotomy
50mm	~2.2g	4–8 ply	Large cavity packing, trauma

Weight values are nominal averages from typical OEM specifications and vary by mesh density, ply count, and cotton yarn count. A 25mm gauze ball manufactured to Gima Italy's reference specification, for example, uses 20-thread mesh with 40/40 yarn count and unfolds to an open size of approximately 12×15cm before compression.

Mesh Density Options

Mesh density — measured in threads per square inch — directly affects absorbency, tensile strength, and lint generation. Standard mesh options for gauze balls range from 9 threads/inch (loose weave, higher absorbency, more lint risk) to 22 threads/inch (tight weave, lower lint, slightly reduced absorbency). The most common OR specifications fall in the 13–17 threads/inch range, which balances absorbency with structural integrity.

Yarn Count Options

Cotton yarn count is expressed as warp/weft ratio. Common configurations include 21s/21s (heavier yarn, robust), 32s/32s (medium), and 40s/40s (finer yarn, softer hand-feel). Finer yarn counts are typically specified for ophthalmic and ENT applications where mucosal contact requires a softer texture.

Section 03 · X-Ray Detectable Variants

Radiopaque Threads and Retained-Item Prevention

X-ray detectable gauze balls contain one or more threads loaded with barium sulfate (BaSO₄) that render the ball visible on standard radiographic imaging. The clinical rationale is the prevention of gossypiboma — the retention of surgical gauze in a body cavity following an operation. Published estimates place the incidence of retained surgical items at between 1 in 9,000 and 1 in 19,000 inpatient operations.

Industry-standard barium sulfate concentration in the radiopaque thread is ≥55%, a level confirmed by major OEM specifications including those of McKesson and Medline, and which exceeds the minimum detection threshold for standard hospital radiographic equipment.

Thread Construction

Polymer carrier — typically polypropylene or polyester, with the BaSO₄ powder compounded into the polymer matrix during extrusion
Colour coding — most manufacturers use a blue thread for visual identification on the operating field, supplementing radiographic detection
Integration method — the thread is woven directly into the gauze fabric (not surface-applied), which prevents detachment during use
Compliance — radiopaque thread construction is specified under DIN EN 14079, the European standard governing cotton and cotton/viscose gauze for medical use

When X-Ray Detection Is Required

AORN's guideline for prevention of retained surgical items recommends that only radiopaque sponges be used inside body cavities or incisions. The guideline further specifies that counted sponges should not be cut or altered, and that non-radiopaque dressing materials should be withheld from the surgical field until the wound is closed.

X-Ray Required

Cavity & Internal Use

Laparotomy, gynaecological, orthopaedic, cardiothoracic, and any procedure where the gauze ball may enter a body cavity. Counted under intraoperative protocol.

X-Ray Optional

External & Aperture

ENT, ophthalmic, dental, and dermatological procedures where the gauze remains visible at the operative field and retention risk is negligible.

Sourcing Gauze Balls for Hospital Tender?

Standard sizes 10–50mm in stock · X-ray detectable BaSO₄ ≥55% variants available · OEM customization from 50,000 pieces · CE / FDA / SFDA documentation ready.

Request Samples or Quote View Product Page

Section 04 · Material & Construction

Cotton Selection, Bleaching, and Quality Markers

Premium-grade surgical gauze balls are constructed from 100% raw cotton yarn, processed through scouring, bleaching, and rinsing stages before being woven into the source gauze fabric. The bleaching method is a key quality determinant.

Bleaching Methods

Hydrogen peroxide (oxygen bleaching) — the preferred method for surgical-grade cotton. Produces neutral pH, no chlorine residuals, and minimal environmental impact.
Chlorine bleaching — historically common but now disfavoured due to potential chlorine residue and environmental concerns. Some markets still accept chlorine-bleached cotton at lower price points.

Quality Markers

Whiteness — measured on the CIE whiteness index; target ≥75 for surgical grade
Absorbency (sinking time) — USP Type VII gauze must sink within 10 seconds; surgical-grade gauze typically sinks within 5 seconds
Free fluorescence — no fluorescent whitening agents (FWAs); verified under UV inspection
pH neutrality — pH 5.0–7.5, confirming complete removal of bleaching agents
Lint generation — minimised through compression and edge-sealing during manufacture

Optional Construction Features

Beyond the basic cotton sphere, OEM specifications may include:

Elastic or silicone ring attachment — for safer handling during deep cavity procedures; the ring prevents accidental loss into the cavity
Coloured cotton (green/blue) — for contrast against tissue and ease of visual identification on the operative field
Multiple ply variants — 4-ply standard, with 6-ply and 8-ply available for higher absorbency requirements
Shaped variants — peanut shape (oblong), flat shape, triangular, and strip configurations for specialised clinical needs

Section 05 · Clinical Applications

Gauze Ball Use by Surgical Specialty

The same physical product — a compressed cotton sphere — serves markedly different clinical functions across surgical specialties. Procurement teams should understand the specialty-specific requirements driving SKU selection.

ENT Surgery

Tonsillectomy, Nasal Packing

Small (10–15mm) balls for post-tonsillectomy haemostasis, nasal cavity packing, and middle-ear procedures. Peanut shape commonly preferred for ear canal. X-ray thread typically not required as gauze remains accessible.

Ophthalmic Surgery

Cataract, Vitreoretinal

Smallest (10mm) balls with fine 40s/40s yarn for absorbing tears, fluid, and small-volume bleeding during ocular procedures. Soft hand-feel critical to avoid corneal abrasion.

Dental & Oral Surgery

Extraction, Implant Placement

Small (10–15mm) balls placed over extraction sites for haemostasis, also used during implant surgery for blood absorption. Often supplied non-sterile in bulk for routine use; sterile variants for implant cases.

General Surgery

Field Cleaning, Antisepsis

Medium (20–30mm) balls used as prep sponges for antiseptic application, blood absorption during dissection, and tissue cleaning. X-ray detectable variant required for any cavity exposure.

Gynaecology

Vaginal Packing, D&C Procedures

Medium-to-large (25–40mm) balls for vaginal packing post-procedure, often supplied with attached string or counted-set configuration. Mandatory X-ray detectable thread.

Orthopaedic Surgery

Joint Procedures, Trauma

Medium-to-large (30–50mm) balls for haemostasis during open joint procedures and trauma surgery. X-ray detectable mandatory. Often used in conjunction with laparotomy sponges.

Section 06 · Packaging & Sterilization

Sterile and Non-Sterile Configurations

Gauze balls are supplied in two principal packaging formats, each suited to different clinical workflows and procurement budgets.

Sterile Configurations

Standard sterile packaging is 5 pieces per peel-pouch, sterilized post-packaging. Common variants include 5, 10, and 25 pieces per pouch. Pouch construction is typically medical-grade paper/film with a peel-back lid for aseptic dispensing.

Sterilization methods — Ethylene Oxide (EO) or Gamma irradiation (Co-60)
EO sterilization — Lower-cost option, suitable for cotton products. Requires aeration cycle to remove residual EO. Compatible with all common cotton constructions.
Gamma sterilization — Higher-cost but no chemical residuals. Preferred for markets with strict ETO residual limits.
Shelf life — Typically 3 to 5 years from manufacture date, dependent on pouch material and storage conditions
Labelling — LOT number, sterilization date, expiry date, sterilization method indicator, and CE/FDA marking as applicable

Non-Sterile Configurations

Non-sterile gauze balls are packaged in bulk for facilities with on-site sterilization capability, or for non-invasive applications (skin prep, wound cleansing, dental routine use). Standard bulk packaging includes:

100g bag — small clinic format
500g bag — standard institutional format
1000g bag — high-volume hospital format
Outer cartons — typically 10 or 20 bags per case

Important Procurement Distinction

Sterile and non-sterile gauze balls of identical specification carry significantly different unit prices — typically 4× to 8× higher for sterile pouched versions. Procurement teams should specify clearly which SKUs require sterile presentation and which can be sterilized on-site, to optimize budget.

Section 07 · Standards & Compliance

Regulatory Framework by Target Market

Compliance documentation requirements vary by destination market. Procurement contracts should specify the certifications applicable to the buyer's regulatory jurisdiction.

Standard	Scope	Applicable Market
DIN EN 14079	Cotton gauze, cotton/viscose gauze — specifications, including X-ray detectable thread	European Union
USP Type VII	Woven cotton gauze for surgical use, absorbency and yarn specifications	United States
British Pharmacopoeia (BP)	Absorbent cotton gauze — purity, absorbency, ash content	UK, Commonwealth markets
ISO 13485	Medical device quality management system — applicable to manufacturer	Global
CE Mark (EU MDR 2017/745)	Class I sterile medical device conformity assessment	European Union, EEA
FDA 510(k)	Class I medical device registration	United States
SFDA	Saudi Food & Drug Authority medical device registration	Saudi Arabia, GCC reference
ISO 11135 / ISO 11137	Sterilization validation — EO and gamma respectively	Global, applicable to sterile SKUs

Documentation Buyers Should Request

ISO 13485 certificate from accredited notified body
CE certificate of conformity (for EU shipments)
FDA establishment registration & 510(k) (for US shipments)
SFDA registration certificate (for GCC shipments)
Sterilization validation reports (for sterile SKUs)
EN 14079 / USP / BP compliance test reports per LOT
Material safety data sheet (MSDS) for cotton and BaSO₄ thread
Biocompatibility test reports per ISO 10993

Section 08 · Procurement Strategy

Sourcing Considerations for B2B Buyers

Selecting the right manufacturer for gauze ball procurement involves more than unit price. Long-term supply reliability, documentation quality, customization flexibility, and lead-time consistency all factor into the total cost of ownership.

Supplier Audit Criteria

Cleanroom classification — ISO Class 8 (100,000-level) minimum for cotton gauze packaging; ISO Class 7 preferred for sterile pouching
Cotton sourcing transparency — origin traceability for raw cotton, with batch-level records
Bleaching process — oxygen bleaching (hydrogen peroxide) preferred over chlorine
X-ray thread supplier — verify BaSO₄ concentration certificate from thread supplier
Sterilization partner — confirm validation status with named EO or gamma facility
Quality control — visual inspection rates, AQL sampling per ISO 2859-1, in-process testing for absorbency and weight
Documentation lead time — how quickly can the supplier produce LOT-specific compliance documents?

OEM Customization Scope

Typical OEM scope from established Chinese manufacturers includes:

Diameter to ±0.5mm tolerance
Mesh count and yarn count selection
X-ray thread inclusion (with or without)
Optional elastic or silicone ring attachment
Optional coloured cotton (green, blue)
Custom pouch count (5, 10, 25 per pouch)
Private-label pouch printing
Custom outer carton labelling
Sterilization method election (EO or gamma)
Shelf-life dating per customer specification

Minimum order quantities for fully customized SKUs typically begin at 50,000 pieces, with standard catalogue SKUs available from 5,000 pieces. Lead times average 30–45 days for non-sterile bulk packaging and 45–60 days for sterile pouched configurations, inclusive of sterilization cycle and quarantine.

GCC Market Considerations

For Saudi Arabia and GCC procurement, SFDA registration is the gateway requirement. Manufacturers without active SFDA registration cannot ship to the Saudi market. Buyers should verify:

Active SFDA medical device establishment licence
Arabic-language outer labelling capability
Compliance with Saudi workplace safety standards where applicable
Halal-relevant supply chain documentation (where required by buyer)
Delivery routing through Jeddah or Dammam port

FAQ · Frequently Asked Questions

Buyer Questions Answered

What sizes do surgical gauze balls come in?

Surgical gauze balls are typically manufactured in diameters ranging from 10mm to 50mm. Standard sizes include 10mm, 15mm, 20mm, 25mm, 30mm, 40mm, 45mm, and 50mm. Small sizes (10–15mm) are used for ENT, ophthalmic, and dental procedures; medium sizes (20–30mm) for general surgical use; and larger sizes (40–50mm) for cavity packing and laparotomy procedures.

What is the difference between X-ray detectable and non-detectable gauze balls?

X-ray detectable gauze balls contain a woven thread loaded with barium sulfate (BaSO₄ concentration ≥55%) that appears visible on radiographic imaging. This allows the surgical team to confirm via X-ray that no gauze has been retained in the body cavity. Non-detectable gauze balls do not contain this thread and are appropriate only for external use, ENT or ophthalmic procedures, or applications where cavity retention is not a risk.

Are gauze balls sold sterile or non-sterile?

Gauze balls are available in both sterile and non-sterile configurations. Sterile gauze balls are typically packaged 5 pieces per peel-pouch, sterilized by EO or gamma irradiation, and used directly in surgical procedures. Non-sterile gauze balls are packaged in bulk bags (typically 500g or 1000g per bag) for clinical use where on-site sterilization is performed, or for wound cleansing and skin preparation applications.

What standards apply to medical gauze balls?

Medical gauze balls are manufactured to several international standards: DIN EN 14079 (European standard for cotton gauze and cotton/viscose gauze), USP Type VII (United States Pharmacopoeia, specifying woven cotton gauze for surgical use), and BP (British Pharmacopoeia). Manufacturers should hold ISO 13485 certification, with products carrying CE marking under EU MDR 2017/745, FDA 510(k) clearance for US export, and SFDA registration for Saudi Arabia and GCC markets.

Can gauze balls be customized for OEM orders?

Yes. OEM customization typically covers: diameter sizing, mesh count (9 to 22 threads per inch), ply construction, weight per piece, X-ray thread inclusion, optional elastic or silicone ring attachment, packaging configuration (5/10/25 per pouch), pouch labelling, sterilization method (EO or gamma), and shelf-life dating. Minimum order quantities for fully customized configurations typically start at 50,000 pieces, with standard SKUs available at lower volumes.

Build Your Gauze Ball SKU Specification

Kingphar Medical supplies sterile and non-sterile gauze balls across all standard sizes, with full OEM customization, CE / FDA / SFDA documentation, and lead times from 30 days. Request a tailored quotation with your specifications.