1 Expect Endoscopic Ultrasound Aspiration Needles Your Patient. Your Needle. Your Preference.
2 Expect Slimline (SL) Endoscopic Ultrasound Aspiration Needles With applications for endoscopic ultrasound and fine needle aspiration continuing to expand, ergonomics and tactile feel have become as important as device performance. Because it s not just about the device it s about how the device feels in your hands. New Ergonomic Handle and Actuation Preference Slimline (SL) Handle Control ZONE Two ergonomically defined areas designed to optimize control during actuation Accommodates different hand sizes and techniques Smaller diameter handle Preference around tactile feel may help: facilitate control when targeting lesions reduce tension and friction during actuation Low-profile locking knobs Low-profile knobs Control ZONE
3 Expect Endoscopic Ultrasound Aspiration Needles Design Feature Sharp needle grind Cobalt-Chromium construction* Echogenic pattern extends onto needle tip Intended Benefit For precise targeting and sampling Provides benefits over some stainless steel alloys including greater needle hardness and excellent tensile properties to deliver: 1** Superior needle penetration 1 Improved pushability and kink resistance 1 Increased resistance to needle damage or deformation after multiple passes 1 Provides precise guidance within the target site Helps maintain tip visibility at all times Stylet cap with integrated clip Custom sheath sizes Two handle designs Keeps stylet safely contained Designed to improve passability Accommodates user ergonomic and actuation preferences * Cobalt-Chromium is used for all Expect Needles except for the 19ga Flex Needle which is made of Nitinol. 1 Catheter and Specialty Needle Alloys, an abstract from Materials & Processes for Medical Devices Conference & Exposition, Minneapolis, MN, August 10-12, ** This study compared a cobalt-chromium alloy with nanoflex and 304 stainless steels.
4 Expect 19ga Flex Needle Understanding your need to obtain core material for advanced testing, we developed a 19ga needle made of Nitinol, the Expect 19ga Flex Needle. Compared with the current Expect 19ga Cobalt-Chromium Needle, the Expect 19ga Flex Nitinol Needle can offer flexibility and durability for increased utility in more tortuous applications and anatomies. The Nitinol Difference Nitinol construction provides flexibility, passability and actuation comparable to the 22ga Expect Needle 1 Nitinol is more resistant to needle deformation through tortuous anatomy compared to stainless steel 1 * Custom Needle Grind for Improved Sampling Sharp grind and deep needle bevel help provide precise penetration into the target area and the potential for improved tissue sampling Highly Functional Stylet Facilitates Easy Removal and Reinsertion Same Highly Visible Echogenic Pattern Available in Two Handle Designs 1 Data on file * Comparable size
5 Supporting Clinical References Histology / Using Larger Gauge Needles 1. Multi-Center Randomized Trial Comparing the 19ga and 25ga Needles for EUS-Guided FNA of Solid Pancreatic Mass Lesions. Affiliations: J. Y. Bang, S. H. Magee, J. Ramesh, J. M. Trevino, S. Varadarajulu; University of Alabama at Birmingham, Birmingham, Alabama, (USA); Florida Hospital, Orlando, Florida, (USA). DDW 2013 abstract # randomized patients: 36 patients (19G) 36 (25G) On-site diagnostic sufficiency: 94.4 % 88.9% Median FNA passes: 1 1 Histological core: 86% 33% Technical failures: Complications (%) In this study, the 19G needle performed significantly better than the 25G needle for procuring core tissue in solid pancreatic mass lesions. 2. EUS-Guided Core Biopsy with a Novel 19-Gauge Flexible Fine Needle Biopsy (FNB) Device: Multi-Center Experience. M. Al-Haddad et al. Affiliation: Indiana University Medical Center, Indianapolis, Indiana (USA); Southern Illinois University School of Medicine, Springfield, Illinois (USA). DDW 2013 abstract #MO1496. The diagnostic yield of core biopsies using this 19ga EUS-FNB device was 90.9%, consistent with our earlier clinical experience.
6 Liver Biopsy Study 3. Endoscopic Ultrasound-Guided Liver Biopsy (EUS-LB) with Expect 19ga and Expect 19ga Flex: A Multicenter Experience; Gastrointestinal Endoscopy, Vol. 77, Issue 5, Supplement, Page AB375 (updated data from DDW 2013 abstract #Su1583). D. L. Diehl et al. Affiliations: Geisinger Medical Center, Winthrop Hospital, University of Alabama, Dartmouth-Hitchcock, Southern Illinois Medical Center, Yale University. EUS-LB was successful in achieving a pathological diagnosis in 109 of 110 cases (99%). EUS guided liver biopsy is a newer approach for performing liver biopsy. It is efficient and provides diagnostic tissue adequate for histological evaluation. Does Technique Matter? 4. Randomized trial comparing fanning with standard technique for endoscopic ultrasound-guided fine needle aspiration of solid pancreatic mass lesions. J. Y. Bang, S. H. Magee, J. Ramesh, J. Trevino, S. Varadarajulu. Affiliations: University of Alabama at Birmingham, Birmingham, Alabama (USA); Florida Hospital, Orlando, Florida, USA. Endoscopy, Vol. 45, June Patients: Cytopathology was blinded to method used. In this study, the fanning technique was superior to the standard technique with fewer passes required to establish a diagnosis. Standard Technique = 26 Patients Fanning Technique = 28 Patients Diagnostic Accuracy = 76.9% Diagnostic Accuracy = 96.4% Note: Although both cohorts required a median of 1 pass to reach a diagnosis, there was a significant difference in the total number of passes required to establish the diagnosis between the standard and fanning cohorts (median 1 [IQR 1 3] vs. 1 [IQR 1 1]; P= 0.02). FNA vs FNB Study 5. Randomized trial comparing the 22-gauge aspiration and 22-gauge biopsy needles for EUS-guided sampling of solid pancreatic mass lesions. S. Varadarajulu, J.Y. Bang, J. Ramesh, J. Trevino, S.H. Magree. Affiliations: University of Alabama at Birmingham, Birmingham, Alabama (USA). GIE, Vol. 76, No. 2: FNA and FNB needles are comparable in terms of diagnostic sufficiency, technical performance and safety profiles with no significant difference in yield or quality of the histologic core.
7 Expect Endoscopic Ultrasound Aspiration Needles Ordering Information Slimline (SL)* Handle Needles: Standard Handle Needles: Order Needle Minimum Sheath Packaging Number Size Working Channel Diameter (color coded) M ga (1.10mm) 2.8mm 1.83mm Each M ga (0.72mm) 2.4mm 1.65mm Each M ga (0.52mm) 2.4mm 1.52mm Each M ga Flex (1.14mm) 2.8mm 1.73mm Each M ga (1.10mm) 2.8mm 1.83mm Box 5 M ga (0.72mm) 2.4mm 1.65mm Box 5 M ga (0.52mm) 2.4mm 1.52mm Box 5 M ga Flex (1.14mm) 2.8mm 1.73mm Box 5 M ga (1.10mm) 2.8mm 1.83mm Each M ga (0.72mm) 2.4mm 1.65mm Each M ga (0.52mm) 2.4mm 1.52mm Each M ga Flex (1.14mm) 2.8mm 1.73mm Each M ga (1.10mm) 2.8mm 1.83mm Box 5 M ga (0.72mm) 2.4mm 1.65mm Box 5 M ga (0.52mm) 2.4mm 1.52mm Box 5 M ga Flex (1.14mm) 2.8mm 1.73mm Box 5 Packaging includes a 20cc syringe and one-way stopcock Working length: 137.5cm to 141.5cm, adjustable Needle length: 0cm to 8cm, adjustable
8 Expect is a registered trademark of Boston Scientific Corporation or its affiliates. Indications, contraindications, warnings and instructions for use can be found in the product labeling supplied with each device. CAUTION: The law, including Federal (USA) law, restricts this device to sale by or on the order of a physician. Distributed by: Boston Scientific Corporation One Boston Scientific Place Natick, MA by Boston Scientific Corporation or its affiliates. All rights reserved. ENDO AB February 2014
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