Polypectomy Snare

WhatsApp Order

A Polypectomy Snare is a sterile, single-use Class II medical device (FDA-cleared, CE-marked) used during endoscopy (colonoscopy, gastroscopy, enteroscopy) for resecting polyps and mucosal lesions from the gastrointestinal tract. The device consists of a flexible stainless steel braided wire loop (10-40 mm diameter) that opens and closes via an ergonomic handle, delivered through an insulated PTFE or PEEK sheath compatible with standard endoscopes (working channel 2.0-2.8 mm). Available in various shapes (oval, round, crescent, hexagonal) for different polyp types (pedunculated, sessile, flat). Used with electrosurgical generators for hot snare polypectomy (cautery-assisted) or without for cold snare polypectomy (small polyps). Primary clinical applications include removal of colorectal polyps to prevent colorectal cancer, resection of gastric and esophageal polyps, treatment of bleeding polyps, debulking of large sessile polyps via piecemeal technique, and surveillance in hereditary polyposis syndromes (FAP, Lynch). Critical safety precautions include single-use only, proper electrosurgical technique, ensuring complete polyp capture before current application, submucosal injection for sessile lesions, and post-procedure monitoring for bleeding or perforation. Essential instrument for therapeutic endoscopy and colorectal cancer prevention.

Categories: SURGICAL INSTRUMENTS AND SUPPLIES, Single-Use Procedure Trays and Packs Tags: Cold Snare, Colonoscopy Snare, Electrosurgical Snare, Endoscopic Snare, Hot Snare, Polyp Resection, Polypectomy Snare

Description

Polypectomy Snare

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Endoscopic Removal of Colorectal Polyps:

Primary Use: The polypectomy snare is the primary instrument used during colonoscopy to remove polyps from the colon and rectum, preventing progression to colorectal cancer by excising precancerous adenomatous polyps and enabling histopathological examination.
How it helps: Removes the precursors to colorectal cancer before they have a chance to become malignant, offering patients one of the most effective cancer prevention interventions available in modern medicine.

2. Resection of Gastric Polyps:

Primary Use: Used during upper gastrointestinal endoscopy (esophagogastroduodenoscopy) to remove polyps from the stomach, aiding in diagnosis and treatment of gastric lesions and reducing risk of malignant transformation.
How it helps: Allows gastroenterologists to clear the stomach of potentially dangerous growths, preventing them from developing into gastric cancer while providing tissue for pathological analysis.

3. Excision of Esophageal Polyps:

Primary Use: Employed in endoscopic procedures to remove polyps and other mucosal lesions from the esophagus, alleviating symptoms such as dysphagia and bleeding while providing tissue for pathological analysis.
How it helps: Restores comfortable swallowing and stops bleeding by removing growths that obstruct the esophagus, improving quality of life and ruling out malignancy.

4. Removal of Small Intestinal Polyps:

Primary Use: Used during enteroscopy to resect polyps in the small intestine, particularly in patients with hereditary polyposis syndromes such as Familial Adenomatous Polyposis (FAP) or Peutz-Jeghers syndrome.
How it helps: Provides life-saving surveillance and intervention for patients born with genetic conditions that cause hundreds of polyps to form throughout their intestines, reducing their risk of developing cancer at a young age.

5. Treatment of Bleeding Polyps:

Primary Use: Utilized to remove polyps that are actively bleeding or at high risk of bleeding, achieving hemostasis while definitively treating the underlying lesion.
How it helps: Stops active bleeding from polyps that are causing blood loss, anemia, and weakness, removing the source of bleeding in one therapeutic procedure.

6. Debulking of Large or Sessile Polyps:

Primary Use: Used in piecemeal polypectomy techniques to remove large or flat (sessile) polyps that cannot be resected in a single pass, often combined with submucosal injection to lift the lesion and reduce perforation risk.
How it helps: Tackles challenging polyps that would otherwise require surgery, removing them piece by piece through the endoscope and sparing patients from more invasive procedures.

7. Surveillance and Management of Hereditary Polyposis Syndromes:

Primary Use: Essential for regular surveillance and polypectomy in patients with FAP, Lynch syndrome, and other hereditary conditions predisposing to multiple colorectal polyps and cancer.
How it helps: Offers patients with genetic predispositions to colon cancer a way to manage their risk through regular surveillance and polyp removal, dramatically reducing their chances of developing cancer.

SECONDARY & SUPPORTIVE USES

1. Obtaining Tissue for Histopathological Diagnosis: Provides tissue samples for pathological examination to determine polyp type (adenomatous, hyperplastic, sessile serrated), grade of dysplasia, and presence of malignancy, guiding further management.

2. Therapeutic Resection of Submucosal Lesions: Used with submucosal injection techniques to remove selected submucosal tumors and lesions after appropriate lifting, expanding the range of conditions that can be treated endoscopically.

3. Management of Post-Polypectomy Bleeding: Can be used to apply cautery or mechanical pressure to bleeding sites following polypectomy, providing an immediate solution for procedural complications.

4. Training and Education: Used in endoscopic simulation and training programs to teach polypectomy techniques to gastroenterology fellows and endoscopy nurses, training the next generation of endoscopists.

5. Research and Clinical Trials: Employed in studies investigating new polypectomy techniques, devices, and outcomes in polyp management, advancing the field of therapeutic endoscopy.

6. Removal of Polypoid Lesions in Other Gastrointestinal Sites: Occasionally used for polyp removal in the duodenum, ampulla, or other accessible gastrointestinal locations, extending the utility of this versatile tool.

7. Treatment of Polypoid Dysplasia in Inflammatory Bowel Disease: Used to resect polypoid dysplastic lesions in patients with ulcerative colitis or Crohn’s disease undergoing colonoscopic surveillance, managing cancer risk in this high-risk population.

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Product Type: Endoscopic surgical instrument for resection of polyps and mucosal lesions.
Common Names: Polypectomy Snare, Endoscopic Snare, Colonoscopy Snare, Electrosurgical Snare, Diathermy Snare.
Design Variations:
- Rigid Snare: Fixed shape, non-retractable.
- Semi-Rigid Snare: Maintains shape but has some flexibility.
- Flexible Snare: Retractable into sheath; most common for therapeutic endoscopy.
Shape Configurations:
- Oval/Round: Standard for pedunculated polyps.
- Crescent/Half-Moon: For sessile or flat polyps.
- Dual-Loop/Hexagonal: For large polyps or piecemeal resection.
- Barbed/Serrated: Enhances grip on polyp tissue.
Sizes: Loop diameter ranging from 10 mm to 30 mm (standard); mini snares for small polyps (5-10 mm); large snares for bulky lesions (up to 40 mm).
Sheath Diameter: 2.0-2.8 mm (compatible with standard endoscope working channels).
Working Length: 160-230 cm for colonoscopy; 230-260 cm for enteroscopy.
Material: Stainless steel braided wire loop; PTFE or polyether ether ketone (PEEK) sheath.
Sterility: Sterile, single-use device.
Packaging: Individually wrapped sterile peel pouch.

2. TECHNICAL & PERFORMANCE PROPERTIES

Electrosurgical Compatibility: Designed for use with electrosurgical generators (monopolar mode) for cautery-assisted resection.
Cutting Mechanism: Mechanical cutting with optional electrosurgical current for hemostasis and clean resection.
Conductivity: Stainless steel wire conducts electrosurgical current to cutting site.
Insulation: Sheath is insulated to prevent thermal injury to surrounding tissue.
Radial Expansion: Snare loop opens to predetermined diameter; maintains shape during resection.
Retraction Force: Smooth retraction mechanism for precise control during polyp capture.
Rotatability: Some models allow rotation of the snare loop for optimal positioning.
Marker Bands: Radiopaque markers for visualization under fluoroscopy.
Tensile Strength: Withstands tension during polyp retraction without breakage.

3. PHYSICAL & OPERATIONAL PROPERTIES

Handle Design: Ergonomic handle with sliding mechanism for opening/closing snare loop.
Handle Features: May include rotating mechanism, locking mechanism, and electrosurgical connection port.
Sheath Flexibility: Flexible but kink-resistant for easy passage through the endoscope channel.
Loop Visibility: Enhanced visibility under endoscopic light; some models have color-coded loops.
Color Coding: Some manufacturers color-code sheath or handle by snare size or type.
Packaging: Sterile peel pouch with Tyvek backing; may include introduction aid.
Shelf Life: 3-5 years from manufacture date.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: Class II medical device requiring FDA 510(k) clearance; CE marked.
Quality Standards: Manufactured under ISO 13485.
Sterility: Sterile; SAL 10⁻⁶; ethylene oxide or gamma sterilized.
Biocompatibility: Materials meet ISO 10993 for tissue contact.
Latex-Free: All components latex-free.
Electrosurgical Safety: Compatible with standard electrosurgical generators; insulated to prevent unintended burns.
Single-Use: Strictly single-use; never resterilize or reuse.
Packaging Integrity: Maintains sterility until opened.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in cool, dry places at room temperature; protect from direct sunlight and extreme temperatures.
Inspection: Before use, check packaging integrity; do not use if the package is damaged or compromised.
Preparation: Remove from sterile packaging using aseptic technique.
Priming: Flush sheath with sterile water or saline to remove air and ensure smooth movement.
Handle Check: Verify smooth opening and closing of snare loop before insertion.
Electrosurgical Connection: Connect to electrosurgical generator as per manufacturer instructions.
Disposal: Dispose of used snare as biohazardous sharps waste.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: Endoscopic resection of polyps and mucosal lesions throughout the gastrointestinal tract.
Polypectomy Techniques:
- Hot Snare: Electrosurgical current applied during resection for hemostasis; used for most polyps >5 mm.
- Cold Snare: Mechanical resection without cautery; used for small polyps (<5-10 mm) to reduce thermal injury risk.
- Piecemeal Snare: Resection of large polyps in multiple pieces; often with submucosal injection.
- Endoscopic Mucosal Resection (EMR): Submucosal injection followed by snare resection for sessile or flat lesions.
Polyp Selection Criteria:
- Pedunculated Polyps: Snare placed around stalk; hot snare preferred.
- Sessile Polyps (5-20 mm): May be resected with snare after submucosal injection.
- Large Sessile Polyps (>20 mm): Piecemeal EMR with specialized snares.
Complications: Bleeding (immediate or delayed), perforation, post-polypectomy syndrome.
Success Rate: >95% for complete resection of appropriate polyps.

SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Single-Use Only: Never reuse a polypectomy snare; reuse risks cross-contamination, device failure, and patient injury.
Electrosurgical Safety: Ensure proper grounding of patient; test electrosurgical unit before use.
Tissue Capture: Ensure polyp is fully ensnared before applying current; incomplete capture risks incomplete resection or perforation.
Tension Control: Avoid excessive tension during snare closure; may cause mechanical transection before cautery or tissue trauma.
Insulation Integrity: Do not use if sheath insulation is damaged; risk of thermal injury.
Submucosal Injection: Consider sessile polyps to lift lesions and reduce perforation risk.
Visualization: Maintain clear endoscopic view throughout procedure; insufflate adequately.
Training: Polypectomy should be performed by trained endoscopists familiar with techniques and complications.
Post-Procedure Monitoring: Observe for signs of bleeding or perforation; provide appropriate post-procedure instructions.

2. FIRST AID MEASURES

Intraprocedural Bleeding: Endoscopic hemostasis with clips, cautery, or injection; monitor hemodynamically.
Perforation: Suspect if patient experiences severe pain, abdominal distension, or fever; obtain imaging; surgical consultation.
Device Malfunction: If snare fails to open or close properly during procedure, remove and replace with new device.
Electrosurgical Injury: Assess for burns; document and manage per institutional protocol.

3. FIRE FIGHTING MEASURES

Flammability: Plastic components are combustible; metal components non-combustible.
Extinguishing Media: For electrical fire, use CO₂ or dry chemical (Class C) extinguisher.
Electrosurgical Unit Fire Risk: Follow electrosurgical safety protocols; avoid flammable prep solutions.

Polypectomy Snare

Polypectomy Snare

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Endoscopic Removal of Colorectal Polyps:

Primary Use: The polypectomy snare is the primary instrument used during colonoscopy to remove polyps from the colon and rectum, preventing progression to colorectal cancer by excising precancerous adenomatous polyps and enabling histopathological examination.

How it helps: Removes the precursors to colorectal cancer before they have a chance to become malignant, offering patients one of the most effective cancer prevention interventions available in modern medicine.

2. Resection of Gastric Polyps:

Primary Use: Used during upper gastrointestinal endoscopy (esophagogastroduodenoscopy) to remove polyps from the stomach, aiding in diagnosis and treatment of gastric lesions and reducing risk of malignant transformation.

How it helps: Allows gastroenterologists to clear the stomach of potentially dangerous growths, preventing them from developing into gastric cancer while providing tissue for pathological analysis.

3. Excision of Esophageal Polyps:

Primary Use: Employed in endoscopic procedures to remove polyps and other mucosal lesions from the esophagus, alleviating symptoms such as dysphagia and bleeding while providing tissue for pathological analysis.

How it helps: Restores comfortable swallowing and stops bleeding by removing growths that obstruct the esophagus, improving quality of life and ruling out malignancy.

4. Removal of Small Intestinal Polyps:

Primary Use: Used during enteroscopy to resect polyps in the small intestine, particularly in patients with hereditary polyposis syndromes such as Familial Adenomatous Polyposis (FAP) or Peutz-Jeghers syndrome.

How it helps: Provides life-saving surveillance and intervention for patients born with genetic conditions that cause hundreds of polyps to form throughout their intestines, reducing their risk of developing cancer at a young age.

5. Treatment of Bleeding Polyps:

Primary Use: Utilized to remove polyps that are actively bleeding or at high risk of bleeding, achieving hemostasis while definitively treating the underlying lesion.

How it helps: Stops active bleeding from polyps that are causing blood loss, anemia, and weakness, removing the source of bleeding in one therapeutic procedure.

6. Debulking of Large or Sessile Polyps:

Primary Use: Used in piecemeal polypectomy techniques to remove large or flat (sessile) polyps that cannot be resected in a single pass, often combined with submucosal injection to lift the lesion and reduce perforation risk.

How it helps: Tackles challenging polyps that would otherwise require surgery, removing them piece by piece through the endoscope and sparing patients from more invasive procedures.

7. Surveillance and Management of Hereditary Polyposis Syndromes:

Primary Use: Essential for regular surveillance and polypectomy in patients with FAP, Lynch syndrome, and other hereditary conditions predisposing to multiple colorectal polyps and cancer.

How it helps: Offers patients with genetic predispositions to colon cancer a way to manage their risk through regular surveillance and polyp removal, dramatically reducing their chances of developing cancer.

SECONDARY & SUPPORTIVE USES

1. Obtaining Tissue for Histopathological Diagnosis: Provides tissue samples for pathological examination to determine polyp type (adenomatous, hyperplastic, sessile serrated), grade of dysplasia, and presence of malignancy, guiding further management.

2. Therapeutic Resection of Submucosal Lesions: Used with submucosal injection techniques to remove selected submucosal tumors and lesions after appropriate lifting, expanding the range of conditions that can be treated endoscopically.

3. Management of Post-Polypectomy Bleeding: Can be used to apply cautery or mechanical pressure to bleeding sites following polypectomy, providing an immediate solution for procedural complications.

4. Training and Education: Used in endoscopic simulation and training programs to teach polypectomy techniques to gastroenterology fellows and endoscopy nurses, training the next generation of endoscopists.

5. Research and Clinical Trials: Employed in studies investigating new polypectomy techniques, devices, and outcomes in polyp management, advancing the field of therapeutic endoscopy.

6. Removal of Polypoid Lesions in Other Gastrointestinal Sites: Occasionally used for polyp removal in the duodenum, ampulla, or other accessible gastrointestinal locations, extending the utility of this versatile tool.

7. Treatment of Polypoid Dysplasia in Inflammatory Bowel Disease: Used to resect polypoid dysplastic lesions in patients with ulcerative colitis or Crohn’s disease undergoing colonoscopic surveillance, managing cancer risk in this high-risk population.

1. BASIC IDENTIFICATION ATTRIBUTES

Product Type: Endoscopic surgical instrument for resection of polyps and mucosal lesions.

Common Names: Polypectomy Snare, Endoscopic Snare, Colonoscopy Snare, Electrosurgical Snare, Diathermy Snare.

Design Variations:

Rigid Snare: Fixed shape, non-retractable.

Semi-Rigid Snare: Maintains shape but has some flexibility.

Flexible Snare: Retractable into sheath; most common for therapeutic endoscopy.

Shape Configurations:

Oval/Round: Standard for pedunculated polyps.

Crescent/Half-Moon: For sessile or flat polyps.

Dual-Loop/Hexagonal: For large polyps or piecemeal resection.

Barbed/Serrated: Enhances grip on polyp tissue.

Sizes: Loop diameter ranging from 10 mm to 30 mm (standard); mini snares for small polyps (5-10 mm); large snares for bulky lesions (up to 40 mm).

Sheath Diameter: 2.0-2.8 mm (compatible with standard endoscope working channels).

Working Length: 160-230 cm for colonoscopy; 230-260 cm for enteroscopy.

Material: Stainless steel braided wire loop; PTFE or polyether ether ketone (PEEK) sheath.

Sterility: Sterile, single-use device.

Packaging: Individually wrapped sterile peel pouch.

2. TECHNICAL & PERFORMANCE PROPERTIES

Electrosurgical Compatibility: Designed for use with electrosurgical generators (monopolar mode) for cautery-assisted resection.

Cutting Mechanism: Mechanical cutting with optional electrosurgical current for hemostasis and clean resection.

Conductivity: Stainless steel wire conducts electrosurgical current to cutting site.

Insulation: Sheath is insulated to prevent thermal injury to surrounding tissue.

Radial Expansion: Snare loop opens to predetermined diameter; maintains shape during resection.

Retraction Force: Smooth retraction mechanism for precise control during polyp capture.

Rotatability: Some models allow rotation of the snare loop for optimal positioning.

Marker Bands: Radiopaque markers for visualization under fluoroscopy.

Tensile Strength: Withstands tension during polyp retraction without breakage.

3. PHYSICAL & OPERATIONAL PROPERTIES

Handle Design: Ergonomic handle with sliding mechanism for opening/closing snare loop.

Handle Features: May include rotating mechanism, locking mechanism, and electrosurgical connection port.

Sheath Flexibility: Flexible but kink-resistant for easy passage through the endoscope channel.

Loop Visibility: Enhanced visibility under endoscopic light; some models have color-coded loops.

Color Coding: Some manufacturers color-code sheath or handle by snare size or type.

Packaging: Sterile peel pouch with Tyvek backing; may include introduction aid.

Shelf Life: 3-5 years from manufacture date.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: Class II medical device requiring FDA 510(k) clearance; CE marked.

Quality Standards: Manufactured under ISO 13485.

Sterility: Sterile; SAL 10⁻⁶; ethylene oxide or gamma sterilized.

Biocompatibility: Materials meet ISO 10993 for tissue contact.

Latex-Free: All components latex-free.

Electrosurgical Safety: Compatible with standard electrosurgical generators; insulated to prevent unintended burns.

Single-Use: Strictly single-use; never resterilize or reuse.

Packaging Integrity: Maintains sterility until opened.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in cool, dry places at room temperature; protect from direct sunlight and extreme temperatures.

Inspection: Before use, check packaging integrity; do not use if the package is damaged or compromised.