Quincke Spinal Needle

Name: Quincke Spinal Needle - Amaris Medical Solutions
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A Quincke Spinal Needle is a sterile, single-use, cutting-bevel needle designed for accessing the subarachnoid space for spinal anesthesia, diagnostic lumbar puncture, and intrathecal medication administration. Featuring a sharp cutting tip, removable stylet, and transparent hub for CSF flashback visualization, it allows precise dural penetration and reliable CSF return. Available in various gauges and lengths, it is the traditional cutting needle in neuraxial anesthesia. Strict aseptic technique, proper bevel orientation, and careful patient selection are essential to minimize complications including post-dural puncture headache and nerve injury.

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Categories: SURGICAL INSTRUMENTS AND SUPPLIES, Cutting Instruments Tags: CSF Collection, Cutting-Bevel Needle, Intrathecal Injection, Lumbar Puncture Needle, Quincke Needle, Spinal Anesthesia, Spinal Needle

Description

Quincke Spinal Needle

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Administration of Spinal Anesthesia

Primary Use: Delivers local anesthetic solutions into the subarachnoid space for spinal anesthesia during surgical procedures including orthopedic, urological, gynecological, and lower abdominal surgeries. The cutting-bevel tip allows precise penetration through the dura mater for rapid onset of anesthesia.
How it helps: For the anesthesiologist, the Quincke spinal needle provides reliable access to the subarachnoid space with its sharp cutting bevel that cleanly penetrates the dura mater, enabling rapid cerebrospinal fluid return and predictable onset of anesthesia. For the patient undergoing surgery, spinal anesthesia with a Quincke needle means they can remain awake during the procedure with effective pain control and reduced exposure to general anesthesia and its associated risks.

2. Diagnostic Lumbar Puncture and Cerebrospinal Fluid Collection

Primary Use: Used to obtain cerebrospinal fluid specimens for diagnostic analysis in cases of suspected meningitis, subarachnoid hemorrhage, multiple sclerosis, and other neurological conditions. The needle allows measurement of opening pressure and collection of fluid for laboratory examination.
How it helps: For the neurologist and emergency physician, the Quincke spinal needle provides access to cerebrospinal fluid—the diagnostic window into the central nervous system—enabling identification of infectious organisms, detection of blood, and measurement of inflammatory markers that guide life-saving treatment decisions. For the patient with suspected meningitis or neurological disease, a properly performed lumbar puncture provides the definitive diagnosis needed to initiate appropriate therapy.

3. Intrathecal Medication Administration

Primary Use: Enables injection of medications directly into the cerebrospinal fluid for therapeutic purposes, including administration of chemotherapeutic agents for central nervous system malignancies, antibiotics for infections, and contrast media for myelography.
How it helps: For the oncologist and interventional radiologist, the Quincke needle provides a route to deliver medications directly to the central nervous system—bypassing the blood-brain barrier and achieving therapeutic concentrations that systemic administration cannot provide. For the patient with leptomeningeal disease or central nervous system infection, intrathecal drug delivery offers the best chance for effective treatment.

4. Measurement of Cerebrospinal Fluid Opening and Closing Pressure

Primary Use: Allows attachment of a manometer to measure cerebrospinal fluid pressure during lumbar puncture, providing critical diagnostic information for conditions such as idiopathic intracranial hypertension and normal pressure hydrocephalus.
How it helps: For the neurologist evaluating a patient with headache or visual disturbance, pressure measurement through the Quincke needle helps distinguish between elevated intracranial pressure requiring intervention and normal pressure that may indicate other conditions. For the patient with chronic headaches, accurate pressure measurement guides appropriate treatment and prevents unnecessary procedures.

SECONDARY & SUPPORTIVE USES

1. Myelography Contrast Injection: Quincke needles are used to inject radiopaque contrast medium into the subarachnoid space for myelography, allowing visualization of the spinal cord, nerve roots, and spinal canal for diagnosis of disc herniation, spinal stenosis, and tumors.

2. Pediatric Lumbar Puncture: Smaller-gauge Quincke needles are available for lumbar puncture in pediatric patients, enabling safe cerebrospinal fluid collection with minimal trauma.

3. Intrathecal Chemotherapy Administration: Used for delivery of chemotherapeutic agents directly into the cerebrospinal fluid for treatment of leukemia, lymphoma, and other malignancies with central nervous system involvement.

4. Intrathecal Antibiotic Therapy: Provides access for administration of antimicrobial agents in patients with central nervous system infections resistant to systemic therapy.

5. Research Applications: Utilized in clinical research protocols requiring cerebrospinal fluid collection for biomarker analysis, pharmacokinetic studies, and neurological research.

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A sterile, single-use, disposable spinal needle with a cutting-bevel tip designed for accessing the subarachnoid space.
Designation: Quincke Spinal Needle, Quincke Lumbar Puncture Needle, Spinal Needle, Cutting-Bevel Spinal Needle.
Key Components:
- Stainless Steel Cannula: Precision-ground, hollow needle with a sharp, bevelled cutting tip designed for penetration through skin, ligaments, and dura mater.
- Stylet/Obturator: A removable inner wire that occludes the needle lumen during insertion to prevent tissue coring and obstruction; the stylet hub is colour-coded.
- Transparent Hub: Ergonomic, transparent plastic hub that allows visualization of cerebrospinal fluid flashback upon successful dural puncture.
- Bevel Orientation Indicator: A lug on the stylet hub indicates the direction of the bevel, allowing the clinician to orient the cutting edge parallel to dural fibers to minimize trauma.
- Connector: Designed with either a standard Luer lock or NRFit connector to prevent misconnection with non-neuraxial devices.

2. TECHNICAL & PERFORMANCE PROPERTIES

Needle Tip Design: Quincke tip features a sharp, cutting bevel that penetrates tissue by cutting rather than spreading fibres; bevel orientation influences dural fiber separation and post-dural puncture headache risk.
Needle Gauge Range: Available in sizes from small to large, with smaller gauges associated with lower post-dural puncture headache incidence.
Needle Length Range: Available in various lengths, allowing selection based on patient body habitus and depth of the epidural space.
Bevel Orientation: Cutting bevel can be oriented parallel or perpendicular to dural fibers; parallel orientation is recommended to separate dural fibers rather than cut across them, potentially reducing CSF leakage.
Stylet Fit: Stylet is tightly fitted to the bevel of the needle to eliminate dead space and avoid tissue coring during insertion, reducing the risk of epidermoid tumor formation.

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Precision-ground stainless steel cannula with a transparent plastic hub; available in both reusable and single-use disposable configurations.
Colour Coding: Stylet hubs are colour-coded to indicate external needle diameter for quick identification during procedures.
Sterility: Gamma irradiated or ethylene oxide sterilized; packaged individually or in regional anesthesia trays.
Latex-Free: Manufactured without natural rubber latex to reduce allergic reaction risk.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Standards: Complies with FDA requirements for anesthesia conduction needles; meets international standards for NRFit connector versions to prevent neuraxial misconnections.
Biocompatibility: Materials meet biological safety testing requirements including cytotoxicity, sensitization, and systemic toxicity assessments.
Pyrogen-Free: Manufactured to be pyrogen-free to prevent febrile reactions.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in a cool, dry location away from direct sunlight at room temperature.
Sterility Maintenance: Do not use if package is opened, damaged, or wet; expiration date must be checked before use.
Single-Use Only: Devices are intended for single patient use only; do not resterilize or reuse.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: Subarachnoid access for spinal anesthesia, diagnostic lumbar puncture, and intrathecal medication administration in operating rooms, emergency departments, and neurological procedure suites.
Clinical Role: Standard spinal needle used in anesthesia practice and neurological diagnostics; serves as the reference cutting needle against which pencil-point needles are compared.

SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Absolute Contraindications: Patient refusal, coagulopathy or anticoagulation therapy, infection at the puncture site, increased intracranial pressure with mass effect, and severe aortic stenosis.
Relative Contraindications: Uncooperative patients, pre-existing neurological deficits, and spinal deformity.
Bevel Orientation: Orient the cutting bevel parallel to dural fibers to separate rather than cut dural tissue, potentially reducing post-dural puncture headache risk.
Stylet in Place: Always advance the needle with the stylet in place to prevent tissue coring and occlusion of the needle lumen.
Cerebrospinal Fluid Confirmation: Confirm correct subarachnoid placement by observing free flow of cerebrospinal fluid through the needle hub before injection or collection.
Aseptic Technique: Strict aseptic technique is mandatory to prevent introduction of pathogens into the central nervous system.

2. FIRST AID MEASURES

Post-Dural Puncture Headache: If accidental dural puncture occurs with a large-gauge Quincke needle, consider epidural blood patch if headache develops and is debilitating.
Nerve Root Irritation: If patient reports sharp, shooting pain during needle placement, withdraw needle and reposition; persistent paresthesia may warrant neurological consultation.
Bleeding or Hematoma: If persistent bleeding occurs at puncture site, apply pressure; signs of expanding hematoma require immediate neurological evaluation.

3. FIRE FIGHTING MEASURES

Flammability: Plastic components are combustible.
Extinguishing Media: Use water, foam, or CO₂ as appropriate for surrounding materials.

Quincke Spinal Needle

Quincke Spinal Needle

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Administration of Spinal Anesthesia

2. Diagnostic Lumbar Puncture and Cerebrospinal Fluid Collection

Primary Use: Used to obtain cerebrospinal fluid specimens for diagnostic analysis in cases of suspected meningitis, subarachnoid hemorrhage, multiple sclerosis, and other neurological conditions. The needle allows measurement of opening pressure and collection of fluid for laboratory examination.

3. Intrathecal Medication Administration

Primary Use: Enables injection of medications directly into the cerebrospinal fluid for therapeutic purposes, including administration of chemotherapeutic agents for central nervous system malignancies, antibiotics for infections, and contrast media for myelography.

4. Measurement of Cerebrospinal Fluid Opening and Closing Pressure

Primary Use: Allows attachment of a manometer to measure cerebrospinal fluid pressure during lumbar puncture, providing critical diagnostic information for conditions such as idiopathic intracranial hypertension and normal pressure hydrocephalus.

SECONDARY & SUPPORTIVE USES

1. Myelography Contrast Injection: Quincke needles are used to inject radiopaque contrast medium into the subarachnoid space for myelography, allowing visualization of the spinal cord, nerve roots, and spinal canal for diagnosis of disc herniation, spinal stenosis, and tumors.

2. Pediatric Lumbar Puncture: Smaller-gauge Quincke needles are available for lumbar puncture in pediatric patients, enabling safe cerebrospinal fluid collection with minimal trauma.

3. Intrathecal Chemotherapy Administration: Used for delivery of chemotherapeutic agents directly into the cerebrospinal fluid for treatment of leukemia, lymphoma, and other malignancies with central nervous system involvement.

4. Intrathecal Antibiotic Therapy: Provides access for administration of antimicrobial agents in patients with central nervous system infections resistant to systemic therapy.

5. Research Applications: Utilized in clinical research protocols requiring cerebrospinal fluid collection for biomarker analysis, pharmacokinetic studies, and neurological research.

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A sterile, single-use, disposable spinal needle with a cutting-bevel tip designed for accessing the subarachnoid space.

Designation: Quincke Spinal Needle, Quincke Lumbar Puncture Needle, Spinal Needle, Cutting-Bevel Spinal Needle.

Key Components:

Stainless Steel Cannula: Precision-ground, hollow needle with a sharp, bevelled cutting tip designed for penetration through skin, ligaments, and dura mater.

Stylet/Obturator: A removable inner wire that occludes the needle lumen during insertion to prevent tissue coring and obstruction; the stylet hub is colour-coded.

Transparent Hub: Ergonomic, transparent plastic hub that allows visualization of cerebrospinal fluid flashback upon successful dural puncture.

Bevel Orientation Indicator: A lug on the stylet hub indicates the direction of the bevel, allowing the clinician to orient the cutting edge parallel to dural fibers to minimize trauma.

Connector: Designed with either a standard Luer lock or NRFit connector to prevent misconnection with non-neuraxial devices.

2. TECHNICAL & PERFORMANCE PROPERTIES

Needle Tip Design: Quincke tip features a sharp, cutting bevel that penetrates tissue by cutting rather than spreading fibres; bevel orientation influences dural fiber separation and post-dural puncture headache risk.

Needle Gauge Range: Available in sizes from small to large, with smaller gauges associated with lower post-dural puncture headache incidence.

Needle Length Range: Available in various lengths, allowing selection based on patient body habitus and depth of the epidural space.

Bevel Orientation: Cutting bevel can be oriented parallel or perpendicular to dural fibers; parallel orientation is recommended to separate dural fibers rather than cut across them, potentially reducing CSF leakage.

Stylet Fit: Stylet is tightly fitted to the bevel of the needle to eliminate dead space and avoid tissue coring during insertion, reducing the risk of epidermoid tumor formation.

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Precision-ground stainless steel cannula with a transparent plastic hub; available in both reusable and single-use disposable configurations.

Colour Coding: Stylet hubs are colour-coded to indicate external needle diameter for quick identification during procedures.

Sterility: Gamma irradiated or ethylene oxide sterilized; packaged individually or in regional anesthesia trays.

Latex-Free: Manufactured without natural rubber latex to reduce allergic reaction risk.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Standards: Complies with FDA requirements for anesthesia conduction needles; meets international standards for NRFit connector versions to prevent neuraxial misconnections.

Biocompatibility: Materials meet biological safety testing requirements including cytotoxicity, sensitization, and systemic toxicity assessments.

Pyrogen-Free: Manufactured to be pyrogen-free to prevent febrile reactions.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in a cool, dry location away from direct sunlight at room temperature.

Sterility Maintenance: Do not use if package is opened, damaged, or wet; expiration date must be checked before use.

Single-Use Only: Devices are intended for single patient use only; do not resterilize or reuse.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: Subarachnoid access for spinal anesthesia, diagnostic lumbar puncture, and intrathecal medication administration in operating rooms, emergency departments, and neurological procedure suites.

Clinical Role: Standard spinal needle used in anesthesia practice and neurological diagnostics; serves as the reference cutting needle against which pencil-point needles are compared.

1. SAFETY PRECAUTIONS

Absolute Contraindications: Patient refusal, coagulopathy or anticoagulation therapy, infection at the puncture site, increased intracranial pressure with mass effect, and severe aortic stenosis.

Relative Contraindications: Uncooperative patients, pre-existing neurological deficits, and spinal deformity.

Bevel Orientation: Orient the cutting bevel parallel to dural fibers to separate rather than cut dural tissue, potentially reducing post-dural puncture headache risk.

Stylet in Place: Always advance the needle with the stylet in place to prevent tissue coring and occlusion of the needle lumen.

Cerebrospinal Fluid Confirmation: Confirm correct subarachnoid placement by observing free flow of cerebrospinal fluid through the needle hub before injection or collection.

Aseptic Technique: Strict aseptic technique is mandatory to prevent introduction of pathogens into the central nervous system.

2. FIRST AID MEASURES

Post-Dural Puncture Headache: If accidental dural puncture occurs with a large-gauge Quincke needle, consider epidural blood patch if headache develops and is debilitating.

Nerve Root Irritation: If patient reports sharp, shooting pain during needle placement, withdraw needle and reposition; persistent paresthesia may warrant neurological consultation.

Bleeding or Hematoma: If persistent bleeding occurs at puncture site, apply pressure; signs of expanding hematoma require immediate neurological evaluation.

3. FIRE FIGHTING MEASURES

Flammability: Plastic components are combustible.

Extinguishing Media: Use water, foam, or CO₂ as appropriate for surrounding materials.

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