IV Cannulas & Tubing

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IV Cannulas & Tubing are sterile, single-use medical devices that together constitute the complete peripheral intravenous access and delivery system. The IV cannula (peripheral intravenous catheter) is a flexible catheter mounted over a hollow introducer needle, inserted into a peripheral vein to establish vascular access for fluid, medication, and blood product administration. Available in gauges 14G-26G, with material options including FEP/Teflon® and polyurethane, and featuring passive or active sharps safety mechanisms. IV tubing (administration sets) is a flexible conduit connecting the fluid container to the cannula, incorporating drip chambers, flow regulators, injection ports, and needleless connectors. Available in macro-drip, micro-drip, filtered, light-protective, and non-PVC variants. Strict aseptic insertion technique, immediate sharps disposal, routine site assessment, and adherence to single-use protocols are essential to prevent phlebitis, bloodstream infection, and needlestick injury.

Categories: CONSUMABLES AND DISPOSABLES, Catheters and Tubing, Injection and Infusion Tags: Administration Set, Infusion Therapy, Intravenous Catheter, IV Cannula, IV Tubing, Peripheral IV, Vascular Access

Description

IV Cannulas & Tubing

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Peripheral Intravenous Access for Fluid and Medication Administration

Primary Use: Establishes and maintains a peripheral venous access point for the delivery of intravenous fluids, blood products, electrolytes, and parenteral medications, providing a direct route into the bloodstream for rapid systemic distribution.
How it helps: For the nurse, physician, and paramedic, the IV cannula is the gateway to the vascular system—a small plastic catheter that transforms a peripheral vein into a direct line for delivering life-saving fluids, medications, and blood products. For the patient, an IV line means that when they need medications urgently, when they cannot take oral fluids, or when they require blood transfusion, there is already a secure route in place, avoiding repeated needle sticks and ensuring rapid treatment.

2. Continuous or Intermittent Infusion Therapy

Primary Use: Enables prolonged or repeated administration of IV solutions and medications over hours to days without repeated venipuncture, with the indwelling cannula allowing for secure attachment to IV tubing and administration sets.
How it helps: For the hospitalized patient requiring multiple doses of antibiotics, continuous hydration, or prolonged medication infusions, the IV cannula eliminates the need for a new needle stick with every dose—providing a single access point that remains in place for the duration of therapy. For the nurse, this means fewer venipunctures, less patient discomfort, and more reliable medication administration.

3. Emergency Resuscitation and Volume Expansion

Primary Use: Critical for rapid, high-volume fluid resuscitation in patients with hypovolemia, hemorrhage, sepsis, or burns, with large-gauge cannulas permitting the high flow rates necessary for emergency stabilization.
How it helps: For the emergency physician and trauma team, large-bore IV cannulas are lifelines in the crashing patient—allowing rapid infusion of blood products in hemorrhagic shock, liters of crystalloid in septic shock, and immediate administration of life-saving medications when every second counts. For the critically ill or injured patient, these large IV lines mean that resuscitation can begin immediately, replacing lost volume and supporting blood pressure until definitive care is available.

4. Administration of Irritant or Vesicant Medications

Primary Use: Provides secure venous access for medications that are damaging to subcutaneous tissues if extravasation occurs, including certain chemotherapy agents, vasopressors, concentrated electrolytes, and total parenteral nutrition.
How it helps: For the oncology nurse and intensive care provider, a properly placed and well-functioning IV cannula is essential for administering drugs that can cause severe tissue damage if they leak into surrounding tissues—ensuring that these potent medications are delivered directly into the bloodstream where they belong. For the patient receiving chemotherapy or potent vasopressors, a secure IV line means these critical medications can be administered safely, without the devastating complications of extravasation.

5. Blood Sampling

Primary Use: Integrated systems allow for blood collection through the cannula at the time of insertion or during therapy without the need for separate venipunctures, reducing patient discomfort and needle exposures.
How it helps: For the patient requiring frequent blood draws, an IV cannula that allows blood sampling means fewer needle sticks, less pain, and preserved veins for future access. For the nurse and phlebotomist, the ability to draw blood through an existing line streamlines care and reduces the risk of needlestick injuries.

6. Intravenous Tubing as Conduit System

Primary Use: IV tubing connects the fluid container to the vascular access device, creating a sterile, closed system that delivers fluid via gravity or electronic infusion pump, including essential components such as drip chambers, flow regulators, injection ports, and needleless connectors.
How it helps: For the clinician managing IV therapy, the tubing set is the critical link between the fluid bag and the patient—providing a sterile pathway, precise flow control, and access ports for additional medications without breaking the sterile system. For the patient, properly functioning IV tubing means their therapy is delivered accurately, safely, and without interruption.

SECONDARY & SUPPORTIVE USES

1. Central Venous Pressure Monitoring: When connected to appropriate monitoring systems, specific IV tubing configurations enable measurement of central venous pressure in critically ill patients. For the intensivist managing fluid status, CVP monitoring guides resuscitation decisions.

2. Contrast Media Injection for Diagnostic Imaging: Power-injectable cannulas and specialized tubing are used for rapid, high-pressure delivery of iodinated contrast media during CT, MRI, and angiography procedures. For the patient undergoing contrast imaging, a power-injectable line ensures optimal image quality.

3. Intraoperative Fluid Management: Essential in surgical settings for maintaining intravascular volume, administering anesthetic agents, and providing rapid access for blood transfusion during procedures with anticipated blood loss. For the surgical patient, reliable IV access is fundamental to safe anesthesia and surgery.

4. Pediatric and Neonatal Access: Specialized small-gauge cannulas and low-volume extension sets enable secure IV access in the delicate veins of infants and children. For the smallest patients, appropriately sized IV equipment means necessary treatment with minimal trauma.

5. Patient-Controlled Analgesia: Dedicated IV tubing with anti-siphon valves and Luer-lock connections is used with PCA pumps, allowing patients to self-administer prescribed doses of analgesic medication. For the patient in pain, PCA provides immediate relief without waiting for nurse administration.

6. Home Infusion Therapy: Enables patients to receive IV antibiotics, hydration, parenteral nutrition, or other therapies in outpatient and home settings. For the patient who can go home with IV therapy, hospital stays are shorter and quality of life improves.

7. Intraosseous Access Transition: In emergency settings, IO access may be established initially, with IV tubing connected directly to IO needles for fluid and medication administration until peripheral or central IV access is obtained. For the patient in extremis, IO access provides a bridge to definitive IV access.

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Product Type (Cannula): A sterile, single-use, flexible or semi-rigid catheter inserted into a peripheral vein, mounted over a hollow introducer needle.
Product Type (Tubing): A sterile, single-use flexible conduit connecting the IV fluid container to the vascular access device.
Designation (Cannula): Defined by gauge size, length, material, and construction type (with/without injection port, with/without wings, integrated extension set).
Designation (Tubing): Defined by number of ports, drip chamber type, priming volume, tubing length, and special features (filtered, non-PVC, light-protected, etc.).
Core Components (Cannula):
- Catheter: Flexible tube that remains in the vein. Made of fluorinated ethylene propylene (FEP/Teflon®), polyurethane (PUR), or Vialon™.
- Introducer Needle: Hollow, beveled stainless steel needle used to pierce skin and vein, over which the catheter is threaded.
- Flashback Chamber: Transparent chamber indicating successful venipuncture by visualization of blood return.
- Hub: Plastic base with Luer connection for attaching tubing, syringes, or caps.
- Wings (optional): Flexible lateral extensions for securement and taping.
- Injection Port (optional): Integrated Y-site or side port for medication administration without disconnecting main line.
Core Components (Tubing):
- Spike/Bottle Adapter: Pierces the IV fluid container's port.
- Drip Chamber: Transparent chamber allowing visualization of flow rate (macro-drip: 10-20 drops/mL; micro-drip: 60 drops/mL).
- Tubing: Flexible PVC or non-PVC material.
- Flow Regulator: Roller clamp, pinch clamp, or electronic pump-compatible segment.
- Injection Ports (Y-sites): Multiple self-sealing ports along the tubing for secondary medication administration.
- Needleless Connector: Distal end interface that attaches to the cannula hub, designed to prevent needlestick injuries.
- Backcheck Valve: Prevents retrograde flow of fluid or blood up the secondary line.

2. TECHNICAL & PERFORMANCE PROPERTIES

Gauge Size (Cannula): Diameter of the catheter, inversely related to gauge number. Range: 14G (largest, trauma/OR) to 26G (smallest, neonates). Common: 20G (adult general), 22G (pediatric/elderly), 18G (trauma/surgery), 24G (neonates/ fragile veins).
Flow Rate (Cannula): Volume of fluid that can pass through the catheter per unit time, directly related to gauge and length. A 14G cannula delivers ~330 mL/min; 20G delivers ~65 mL/min; 22G delivers ~35 mL/min.
Catheter Material Properties:
- FEP/Teflon®: Stiffer, maintains patency well, less thrombogenic, lower cost.
- Polyurethane (PUR): Softer, becomes more flexible at body temperature, less phlebitis risk, better for difficult veins.
- Vialon™: Biomaterial that softens in the vein, reduces complications, extended dwell time.
Radiopacity: Catheter material is impregnated with barium sulfate or other radiopaque substances to permit visualization on X-ray, confirming placement and detecting retained fragments.
Tubing Flow Rate Capacity: Standard tubing delivers up to 250 mL/hour; high-flow tubing for trauma/resuscitation delivers up to 500+ mL/minute.
Priming Volume (Tubing): The volume of fluid required to fill the tubing set from spike to distal connector. Ranges from 10-30 mL for standard sets; low-priming sets (5-10 mL) for pediatrics.
Drip Chamber Calibration: Macro-drip (10-20 drops/mL) for general adult use; micro-drip (60 drops/mL) for precise, low-volume pediatric or critical care infusions.
Filter Inclusion: Some tubing sets incorporate in-line filters (0.2 micron) for particulate removal, air elimination, or bacterial retention (e.g., for TPN, chemotherapy).

3. PHYSICAL & OPERATIONAL PROPERTIES

Cannula Length: Typically 25-48 mm (1-1.85 inches). Longer catheters (6-8 cm) for deep veins or difficult access; shorter catheters for superficial veins.
Securement Features: Winged hubs allow for taping or manufactured with integrated stabilization devices to reduce dislodgement and micromotion.
Transparency: Catheter material is transparent or translucent, permitting visualization of blood flashback and assessment of catheter patency.
Tubing Length: Standard length 100-110 inches (250-280 cm). Extension sets available in 6-30 inch lengths for specific applications (e.g., MRI-compatible, neonatal).
DEHP-Free/Non-PVC: Increasing shift toward DEHP-free and non-PVC materials to reduce leaching of plasticizers into infusates, particularly for neonatal, pediatric, and oncology populations.
Light-Protective Tubing: Amber or opaque tubing for light-sensitive medications (e.g., nitroglycerin, sodium nitroprusside, certain chemotherapy agents).
Burette Set: Specialized tubing with a calibrated chamber (100-150 mL) for precise measurement and controlled delivery of fluids, primarily used in pediatrics.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Standards (Cannula):
- ISO 10555: Sterile, single-use intravascular catheters.
- ISO 7864: Sterile hypodermic needles (for introducer needle).
- FDA 510(k) Clearance: Required for US marketing.
- CE Marking: Required for European market.
Regulatory Standards (Tubing):
- ISO 8536: Infusion equipment for medical use.
- ISO 80369: Small-bore connectors for fluids (prevents misconnections).
- USP <788>: Particulate matter in injections (tubing must not shed particulates).
Needlestick Safety (Cannula): Most modern IV cannulas feature passive or active safety mechanisms that shield the introducer needle immediately upon withdrawal, preventing sharps injuries. Compliance with Needlestick Safety and Prevention Act (US) and EU Directive 2010/32/EU.
Needleless Connectors (Tubing): Distal ends feature split-septum or mechanical valve needleless connectors to eliminate open needle access points, reducing sharps hazards and contamination risk.
Sterility: Terminal sterilization via ethylene oxide (EtO) or gamma irradiation. Sterility assurance level (SAL) of 10⁻⁶.
Biocompatibility: All blood-contact and tissue-contact materials must meet ISO 10993 standards for cytotoxicity, sensitization, irritation, systemic toxicity, and hemocompatibility.
Latex-Free: All components must be manufactured without natural rubber latex.
Non-Pyrogenic: Certified free of endotoxins.
DEHP Compliance: Must meet regional restrictions on phthalate content (e.g., California Proposition 65, EU Medical Device Regulation).

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in original, unopened packaging in a cool, dry environment. Protect from extreme temperatures, direct sunlight, moisture, and physical damage.
Shelf Life: Typically 3-5 years from date of manufacture. Expiration date printed on each package. Do not use it after expiration; sterility and material integrity cannot be guaranteed.
Package Inspection: Before use, inspect packaging for any signs of compromise: tears, punctures, moisture ingress, or damage to sterile barrier. Do not use it if integrity is questionable.
Single-Use Protocol (Cannula): IV cannulas are strictly single-use devices for a single insertion attempt. If insertion fails, a new sterile cannula must be used. Never reinsert a used or partially withdrawn cannula.
Single-Use Protocol (Tubing): IV tubing is strictly single-use and must be replaced per facility protocol (typically every 72-96 hours), immediately upon suspected contamination, after administration of blood/blood products, or per manufacturer guidelines. Continuous sets for lipid-containing TPN are typically changed every 24 hours.
Storage of Primed Tubing: Primed IV tubing should be used promptly. Prolonged storage of primed, disconnected tubing creates infection risk and is not recommended.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: Peripheral IV cannulas and administration tubing constitute the fundamental vascular access and delivery system for the vast majority of hospitalized patients requiring intravenous therapy. They are the first-line vascular access device for most indications.
Selection Criteria (Cannula):
- Patient age and vein condition: Determines gauge and length.
- Therapy type: High-volume/rapid infusion requires a large gauge; irritant medications may require specific materials.
- Anticipated dwell time: Extended dwell may favor polyurethane materials.
- Access difficulty: Longer catheters for deeper veins.
Selection Criteria (Tubing):
- Infusion method: Gravity vs. pump-controlled.
- Patient population: Pediatric requires micro-drip/low-priming sets.
- Medication characteristics: Light-sensitive, non-PVC compatible, filtered requirements.
- Number of concurrent infusions: Determines number of ports/Y-sites needed.
Dwell Time: Peripheral IV cannulas are typically replaced every 72-96 hours in adults unless clinically indicated otherwise. Pediatric dwell times may be longer if the site is healthy.

SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Aseptic Technique (Most Important): Strict aseptic non-touch technique (ANTT) must be used during insertion. Skin antisepsis with >0.5% chlorhexidine in 70% alcohol or 2% chlorhexidine gluconate, applied with friction for 30 seconds, allowed to dry completely (30 seconds). Sterile gloves and sterile drapes are recommended, particularly for difficult access or immunocompromised patients.
Sharps Safety (Cannula): Activate safety mechanism immediately upon needle withdrawal. Never re-sheath the introducer needle. Discard needle directly into sharps container. Never pass an exposed contaminated needle to another person.
Secure and Stabilize: Cannula must be secured with sterile, transparent semi-permeable dressing to allow visualization of insertion site. Document date of insertion. Stabilization devices reduce dislodgement and phlebitis risk.
Site Assessment: Visually inspect and palpate through dressing every 4 hours (ward) or hourly (critical care) for signs of complications: redness, swelling, warmth, tenderness, palpable cord, purulence, or patient-reported pain/burning. Remove immediately if any complication suspected.
Flushing Protocol: Flush with preservative-free 0.9% sodium chloride before and after medication administration, and periodically to assess patency. Use single-dose ampules or prefilled syringes; never use multi-dose vials for multiple patients.
Tubing Management: Label tubing with date and time of initiation. Do not allow tubing to contact floor. Keep injection ports clean; scrub the hub with 70% alcohol for 15 seconds before each access. Close clamps before connecting/disconnecting.
Prevention of Misconnections: Ensure Luer connectors are compatible and intended for IV use. Never force a connection. Oral/enteral syringes and tubing should never be compatible with IV connectors (ISO 80369 compliance).
Extravasation Precautions: For vesicant medications, verify IV placement with blood return before administration, administer via running IV line, and monitor closely. Stop immediately if signs of extravasation occur.
Air Embolism Prevention: Prime tubing completely to remove all air. Use air-eliminating filters for central lines. Ensure all connections are secure. Close clamps when changing tubing or containers.

2. FIRST AID MEASURES

Needlestick Injury (Introducer Needle): Immediately wash the affected area vigorously with soap and water. Do not squeeze or suck the wound. Report the incident immediately to supervisor/occupational health. Follow institutional post-exposure prophylaxis (PEP) protocols for bloodborne pathogen exposure (HIV, HBV, HCV). Complete incident documentation.
Catheter Fragment Embolization: If a catheter is sheared off and retained in the vasculature, do not attempt to retrieve it manually. Apply tourniquet proximal to the site if visible, immobilize the extremity, and transport the patient immediately to interventional radiology or vascular surgery for percutaneous or surgical retrieval.
Extravasation Injury: Stop infusion immediately, aspirate residual medication from the cannula, remove cannula, elevate extremity, apply warm or cold compress as indicated by the specific medication, and consult extravasation protocol. Notify provider; document and photograph the site. Specific antidotes may be required (e.g., hyaluronidase, phentolamine).
Phlebitis/Thrombophlebitis: Remove cannula immediately. Apply warm compress. Monitor for signs of infection. Mild cases resolve with removal; severe or infected cases may require systemic antibiotics or anticoagulation.
Catheter-Related Bloodstream Infection (CRBSI): Signs include fever, chills, hypotension, and insertion site purulence in a patient with an indwelling IV. Remove cannula immediately and culture tip. Initiate empiric antibiotics per facility protocol. Blood cultures from peripheral vein and through catheter may be indicated.
Anaphylactic Reaction (rare, e.g., chlorhexidine allergy): Signs include urticaria, angioedema, wheezing, stridor, hypotension. Stop procedure, maintain airway, administer epinephrine IM, call emergency response team.

3. FIRE FIGHTING MEASURES

Flammability: Plastic components (polyurethane, FEP, PVC, polycarbonate) are combustible. Stainless steel introducer needles are non-combustible.
Extinguishing Media: Use water, foam, CO₂, or dry chemical powder as appropriate for the surrounding fire. Burning plastic produces toxic smoke; use self-contained breathing apparatus (SCBA) in enclosed spaces.
Sharps in Fire: If sharps containers are involved in fire, do not attempt to retrieve them. Evacuate area and notify emergency responders of hazardous medical waste presence.

IV Cannulas & Tubing

IV Cannulas & Tubing

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Peripheral Intravenous Access for Fluid and Medication Administration

Primary Use: Establishes and maintains a peripheral venous access point for the delivery of intravenous fluids, blood products, electrolytes, and parenteral medications, providing a direct route into the bloodstream for rapid systemic distribution.

2. Continuous or Intermittent Infusion Therapy

Primary Use: Enables prolonged or repeated administration of IV solutions and medications over hours to days without repeated venipuncture, with the indwelling cannula allowing for secure attachment to IV tubing and administration sets.

3. Emergency Resuscitation and Volume Expansion

Primary Use: Critical for rapid, high-volume fluid resuscitation in patients with hypovolemia, hemorrhage, sepsis, or burns, with large-gauge cannulas permitting the high flow rates necessary for emergency stabilization.

4. Administration of Irritant or Vesicant Medications

Primary Use: Provides secure venous access for medications that are damaging to subcutaneous tissues if extravasation occurs, including certain chemotherapy agents, vasopressors, concentrated electrolytes, and total parenteral nutrition.

5. Blood Sampling

Primary Use: Integrated systems allow for blood collection through the cannula at the time of insertion or during therapy without the need for separate venipunctures, reducing patient discomfort and needle exposures.

6. Intravenous Tubing as Conduit System

Primary Use: IV tubing connects the fluid container to the vascular access device, creating a sterile, closed system that delivers fluid via gravity or electronic infusion pump, including essential components such as drip chambers, flow regulators, injection ports, and needleless connectors.

SECONDARY & SUPPORTIVE USES

1. Central Venous Pressure Monitoring: When connected to appropriate monitoring systems, specific IV tubing configurations enable measurement of central venous pressure in critically ill patients. For the intensivist managing fluid status, CVP monitoring guides resuscitation decisions.

4. Pediatric and Neonatal Access: Specialized small-gauge cannulas and low-volume extension sets enable secure IV access in the delicate veins of infants and children. For the smallest patients, appropriately sized IV equipment means necessary treatment with minimal trauma.

6. Home Infusion Therapy: Enables patients to receive IV antibiotics, hydration, parenteral nutrition, or other therapies in outpatient and home settings. For the patient who can go home with IV therapy, hospital stays are shorter and quality of life improves.

1. BASIC IDENTIFICATION ATTRIBUTES

Product Type (Cannula): A sterile, single-use, flexible or semi-rigid catheter inserted into a peripheral vein, mounted over a hollow introducer needle.

Product Type (Tubing): A sterile, single-use flexible conduit connecting the IV fluid container to the vascular access device.

Designation (Cannula): Defined by gauge size, length, material, and construction type (with/without injection port, with/without wings, integrated extension set).

Designation (Tubing): Defined by number of ports, drip chamber type, priming volume, tubing length, and special features (filtered, non-PVC, light-protected, etc.).

Core Components (Cannula):

Catheter: Flexible tube that remains in the vein. Made of fluorinated ethylene propylene (FEP/Teflon®), polyurethane (PUR), or Vialon™.

Introducer Needle: Hollow, beveled stainless steel needle used to pierce skin and vein, over which the catheter is threaded.

Flashback Chamber: Transparent chamber indicating successful venipuncture by visualization of blood return.

Hub: Plastic base with Luer connection for attaching tubing, syringes, or caps.

Wings (optional): Flexible lateral extensions for securement and taping.

Injection Port (optional): Integrated Y-site or side port for medication administration without disconnecting main line.

Core Components (Tubing):

Spike/Bottle Adapter: Pierces the IV fluid container's port.

Drip Chamber: Transparent chamber allowing visualization of flow rate (macro-drip: 10-20 drops/mL; micro-drip: 60 drops/mL).

Tubing: Flexible PVC or non-PVC material.

Flow Regulator: Roller clamp, pinch clamp, or electronic pump-compatible segment.

Injection Ports (Y-sites): Multiple self-sealing ports along the tubing for secondary medication administration.

Needleless Connector: Distal end interface that attaches to the cannula hub, designed to prevent needlestick injuries.

Backcheck Valve: Prevents retrograde flow of fluid or blood up the secondary line.

2. TECHNICAL & PERFORMANCE PROPERTIES

Gauge Size (Cannula): Diameter of the catheter, inversely related to gauge number. Range: 14G (largest, trauma/OR) to 26G (smallest, neonates). Common: 20G (adult general), 22G (pediatric/elderly), 18G (trauma/surgery), 24G (neonates/ fragile veins).

Flow Rate (Cannula): Volume of fluid that can pass through the catheter per unit time, directly related to gauge and length. A 14G cannula delivers ~330 mL/min; 20G delivers ~65 mL/min; 22G delivers ~35 mL/min.

Catheter Material Properties:

FEP/Teflon®: Stiffer, maintains patency well, less thrombogenic, lower cost.

Polyurethane (PUR): Softer, becomes more flexible at body temperature, less phlebitis risk, better for difficult veins.

Vialon™: Biomaterial that softens in the vein, reduces complications, extended dwell time.

Radiopacity: Catheter material is impregnated with barium sulfate or other radiopaque substances to permit visualization on X-ray, confirming placement and detecting retained fragments.

Tubing Flow Rate Capacity: Standard tubing delivers up to 250 mL/hour; high-flow tubing for trauma/resuscitation delivers up to 500+ mL/minute.

Priming Volume (Tubing): The volume of fluid required to fill the tubing set from spike to distal connector. Ranges from 10-30 mL for standard sets; low-priming sets (5-10 mL) for pediatrics.

Drip Chamber Calibration: Macro-drip (10-20 drops/mL) for general adult use; micro-drip (60 drops/mL) for precise, low-volume pediatric or critical care infusions.

Filter Inclusion: Some tubing sets incorporate in-line filters (0.2 micron) for particulate removal, air elimination, or bacterial retention (e.g., for TPN, chemotherapy).

3. PHYSICAL & OPERATIONAL PROPERTIES

Cannula Length: Typically 25-48 mm (1-1.85 inches). Longer catheters (6-8 cm) for deep veins or difficult access; shorter catheters for superficial veins.

Securement Features: Winged hubs allow for taping or manufactured with integrated stabilization devices to reduce dislodgement and micromotion.

Transparency: Catheter material is transparent or translucent, permitting visualization of blood flashback and assessment of catheter patency.

Tubing Length: Standard length 100-110 inches (250-280 cm). Extension sets available in 6-30 inch lengths for specific applications (e.g., MRI-compatible, neonatal).

DEHP-Free/Non-PVC: Increasing shift toward DEHP-free and non-PVC materials to reduce leaching of plasticizers into infusates, particularly for neonatal, pediatric, and oncology populations.

Light-Protective Tubing: Amber or opaque tubing for light-sensitive medications (e.g., nitroglycerin, sodium nitroprusside, certain chemotherapy agents).

Burette Set: Specialized tubing with a calibrated chamber (100-150 mL) for precise measurement and controlled delivery of fluids, primarily used in pediatrics.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Standards (Cannula):

ISO 10555: Sterile, single-use intravascular catheters.

ISO 7864: Sterile hypodermic needles (for introducer needle).

FDA 510(k) Clearance: Required for US marketing.

CE Marking: Required for European market.

Regulatory Standards (Tubing):

ISO 8536: Infusion equipment for medical use.

ISO 80369: Small-bore connectors for fluids (prevents misconnections).

USP <788>: Particulate matter in injections (tubing must not shed particulates).

Needlestick Safety (Cannula): Most modern IV cannulas feature passive or active safety mechanisms that shield the introducer needle immediately upon withdrawal, preventing sharps injuries. Compliance with Needlestick Safety and Prevention Act (US) and EU Directive 2010/32/EU.

Needleless Connectors (Tubing): Distal ends feature split-septum or mechanical valve needleless connectors to eliminate open needle access points, reducing sharps hazards and contamination risk.

Sterility: Terminal sterilization via ethylene oxide (EtO) or gamma irradiation. Sterility assurance level (SAL) of 10⁻⁶.

Biocompatibility: All blood-contact and tissue-contact materials must meet ISO 10993 standards for cytotoxicity, sensitization, irritation, systemic toxicity, and hemocompatibility.

Latex-Free: All components must be manufactured without natural rubber latex.

Non-Pyrogenic: Certified free of endotoxins.

DEHP Compliance: Must meet regional restrictions on phthalate content (e.g., California Proposition 65, EU Medical Device Regulation).

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in original, unopened packaging in a cool, dry environment. Protect from extreme temperatures, direct sunlight, moisture, and physical damage.

Shelf Life: Typically 3-5 years from date of manufacture. Expiration date printed on each package. Do not use it after expiration; sterility and material integrity cannot be guaranteed.

Package Inspection: Before use, inspect packaging for any signs of compromise: tears, punctures, moisture ingress, or damage to sterile barrier. Do not use it if integrity is questionable.