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Clinical Paper: The Safety & Efficacy of LigaSure™ Device for Vessel Sealing in Colorectal Surgery
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“It manages energy so you spend yours focused on the patient” Reference: Valleylab™ FT10 Energy Platform [Service Manual]. Boulder, CO: Medtronic 2015.
“Next generation electrosurgical precision” Reference: Based on internal test report # R0064443 Rev A, Ex-vivo Monopolar Procedural Flow Evaluation on the Valleylab™ FT10 Energy Platform; November 2014.
“Freedom of movement” Reference: Based on internal test report #2-108-10, Validation of Milwaukee USG1 marketing report surgeon evaluation of 5mm Cordless Laparoscopic Ultrasonic Shears. April 8 – May 6, 2010.
“Precise dissection and reliable seals from one device” Reference: Based on internal test report #RE00041188, Validation marketing claims: independent surgeon feedback collected during Medtronic-sponsored cadaver and porcine labs. October 2015 and February 2016.
“Benefits stick. Tissue doesn't. nonstick nano-coating makes LigaSure™ technology better than ever” References: When Comparing the LF4418 to the LF4318, the nonstick coating on the LigaSure Impact™ device jaws reduces sticking by 67%. Based on internal test report #RE00034755, LF4418 design verification report: benchtop testing using porcine abdominal aorta, mesentery, and renal arteries, with average (lbs.) sticking force. Feb. 24, 2016 and March 25, 2016.
When comparing the LF1837 to the LF1637, the nonstick coating on the LigaSure™ blunt tip device jaws reduces sticking by 41%. Based on internal test report #RE00062678, Benchtop tissue sticking comparison of the Ethicon™* G2, Voyant™* 5 mm Fusion, LigaSure™ LF1637, and LigaSure™ LF1837 devices conducted on porcine uterine tissue using the ForceTriad™ energy platform. Instances of tissue sticking to jaws measured over 110 seals per device. October 5, 2016.
1. Based on internal test report #RE00077194, Bag and device reliability memo. 2016.
2. Based on internal test report #RE00007964, ReliaCatch™ specimen retrieval bag summative validation. 2016.
3. Based on internal test report #RE00072916, ReliaCatch™ specimen retrieval bag 10 mm and 12 mm claims matrix benchmark data. Ethicon, Applied, Anchor, and Genicon are considered the major competitors and ReliaCatch™ device was tested appropriately against their specimen retrieval devices. For CATCH10, as compared with Applied Inzii™*, Anchor Tissue Retrieval System™*, Ethicon EndoPouch™*, Genicon GeniStrong™* and predicate Endo Catch™ Gold device. For CATCH12, as compared with Genicon GeniStrong™* 12 mm and Applied Inzii™* 12/15 mm. 2016.
4. Based on internal test report #RE00070348, Specimen retrieval devices: Specification development & justification. As compared to predicate Endo Catch™ Gold device. 2016.
1. Based on internal report #RE00091644, Benchtop testing: Tissue sticking comparison using porcine uterine tissue with the Enseal™* X1 large jaw vessel sealer vs. the LigaSure Impact™ device (LF4418). April 13, 2017.
2. Based on internal test report #RE00091641, Benchtop testing: Comparison of the renal artery burst pressure using porcine kidneys with the Enseal™* X1 large jaw vessel sealer vs. the LigaSure Impact™ device (LF4418) on the ForceTriad™ and Valleylab™ FT10 energy platforms. April 10 to 12, 2017.
3. Based on internal report #RE00055066, Benchtop testing: Tissue sticking comparison of the Ethicon™* G2 Super Jaw, Olympus ThunderBeat™*, LigaSure™ LF4318, and LigaSure™ LF4418 devices using porcine uterine tissue. Aug. 2, 2016.
4. Based on internal report #RE00057355, Lig-40 product claim LF4418: benchtop testing using porcine uterine tissue. July 29, 2016.
5. Based on internal test report #RE00091643, Preclinical acute testing using a porcine model to compare the Enseal™* X1 large jaw vessel sealer vs. the LigaSure Impact™ device (LF4418) on the ForceTriad™ and Valleylab™ FT10 energy platforms. April 14, 2017.
† Tissue sticking to device jaws instances measured over 110 seals per device using the Valleylab™ FT10 energy platform.
‡ Seal time measured over all vessel size categories using the Valleylab™ FT10 energy platform.
§ Eschar build-up assessed using optical imaging analysis after 20, 40, and 60 seal and divide cycles.
Ω Compared to the legacy devices.
†† Activation time measured over a variety of tissue types and multiple activations per device using the Valleylab™ FT10 energy platform.
1. Based on Covidien product verification report: "Autobipolar Evaluation - Valleylab™ FT10"; RE0064455 Feb 2015
2. Bench testing model used to evaluate sealing time, when compared to the ForceTriad™ energy platform. Based on Covidien memo: "LigaSure Data Sources for VLFT10 White Papers." September 2015 RE00025819 Rev A
3. Based on the Valleylab™ FT10 Service Manual: part number 1079477, REV 01/2015
4. Smarter: As compared to the ForceTriad™ energy platform. Based on the Valleylab™ FT10 Service Manual: part number 1079477, REV 01/2015
5. Simpler: As compared to the ForceTriad™ energy platform. Based on Covidien product validation report: "Product Validation of Valleylab™ FT10 Surgeon & Nurse Evaluation in Simulated Use" January - February, 2015; RE00005401
6. Based on Covidien ex-vivo monopolar report: "Verification - report - Ex-vivo Monopolar Procedural Flow Evaluation on the Valleylab™ FT10 Orion." November, 2014; R0064443 Rev A
1. Based on internal test report #RE00003687, Data collected during 17 procedures for product introduction. April–June 2017.
2. Roje Z, Racić G, Dogas Z, Pisac VP, Timms M. Postoperative morbidity and histopathologic characteristics of tonsillar tissue following coblation tonsillectomy in children: a prospective randomized single-blinded study. Coll Antropol. 2009;33(1):293–298.
3. Lachanas VA, Prokopakis EP, Bourolias CA, et al. LigaSure™ versus cold knife tonsillectomy. Laryngoscope. 2005;115(9):1591–1594.
4. Based on internal test report #RE00073873 and #RE00079704, Independent surgeon and nurse feedback collected during Medtronic-sponsored labs. January and February 2017.
5. Based on internal test report #RE00077022, Porcine testing. Jan. 9–10, 2017.
6. Based on internal test report #RE00011247, Benchtop testing comparing the BiZact™ tonsillectomy device with the E1551X Valleylab™ Hex-locking blade electrode. March 23, 2017.
7. Based on internal test report RE00015788 collected during Medtronic-sponsored tissue testing conducted on March 23, 2017
8. Wilson YL, Merer DM, Moscatello AL. Comparison of three common tonsillectomy techniques: a prospective randomized, double-blinded clinical study. Laryngoscope. 2009;119(1):162–170.
9. Jones DT, Kenna MA, Guidi J, Huang L, Johnston PR, Licameli GR. Comparison of postoperative pain in pediatric patients undergoing coblation tonsillectomy versus cautery tonsillectomy. Otolaryngol Head Neck Surg. 2011;144(6):972–977.
10. Based on internal test report #RE00015788, Tissue testing. March 23, 2017.
†Compared to the competitive closure device, suture passers, and hand sutures.
1. Based on internal validation report #RE00098009 Rev A, DoubleTime VersaOne™ fascial closure system Miami lab VOCreport: 13 out of 16 surgeons surveyed agreed. March 28, 2017.
Jaws Cool Faster. - Based on internal test report #RE00059406 Rev A, Market research - thermal profile comparison of LigaSure™ retractable L-hook (LF56XX) versus Harmonic Ace™*+7 and Olympus Thundebeat™* using the ForceTriad™ energy platform and Valleylab™ FT10 energy platform on porcine mesentery with 10 consecutive seal/cut cycles. Sept. 7, 2016.
Three Times Cooler - Based on internal test report #RE00059406 Rev A, Market research - thermal profile comparison of LigaSure™ retractable L-hook (LF56XX) versus Harmonic Ace™*+7 and Olympus Thundebeat™* using the ForceTriad™ energy platform and Valleylab™ FT10 energy platform on porcine mesentery with 10 consecutive seal/cut cycles. Sept. 7, 2016. / Harmonic Ace™* +7 on max mode and Olympus Thunderbeat™* on default setting 1 of seal/cut mode
Bringing Value with Versatility. / Redefining Versatility. - Based on internal test report #RE00041188, Validation marketing claims: independent surgeon feedback collected during Medtronic-sponsored cadaver and porcine labs. October 2015 and February 2016. / 29 out of 29 surgeons evaluated agreed / Based on internal test report #RE00032739 Rev A, Ligasure™ Hook (LF5637, LF5644) validation surgeon evaluation report: independent surgeon feedback collected during Medtronic-sponsored cadaver and porcine lab conducted in Houston, Texas. February 2016.
Fewer Instrument Exchanges. More Possibilities. - Based on internal test report #RE00041188, Validation marketing claims: independent surgeon feedback collected during Medtronic-sponsored cadaver and porcine labs. October 2015 and February 2016. / 27 out of 29 surgeons evaluated agreed / 29 out of 29 surgeons evaluated agreed
1. Morris TA, Gay PC, MacIntyre NR, Hess DR, Hanneman SK, Lamberti JP, Doherty DE, Chang L, Seckel MA. Respiratory Compromise as a New Paradigm for the Care of Vulnerable Hospitalized Patients. Respir Care. 2017 Apr;62(4):497-512.
2. Hodgetts TJ, Kenward G, Vlackonikolis I, et al. Incidence, location and reasons for avoidable in-hospital cardiac arrest in a district general hospital. Resuscitation. 2002;54(2):115-123.
1. Based on internal test report #RE00077194, Bag and device reliability memo. 2016.
2. Based on internal test report #RE00007964, ReliaCatch™ specimen retrieval bag summative validation. 2016.
3. Based on internal test report #RE00072916, ReliaCatch™ specimen retrieval bag 10 mm and 12 mm claims matrix benchmark data. Ethicon, Applied, Anchor, and Genicon are considered the major competitors and ReliaCatch™ device was tested appropriately against their specimen retrieval devices. For CATCH10, as compared with Applied Inzii™*, Anchor Tissue Retrieval System™*, Ethicon EndoPouch™*, Genicon GeniStrong™* and predicate Endo Catch™ Gold device. For CATCH12, as compared with Genicon GeniStrong™* 12 mm and Applied Inzii™* 12/15 mm. 2016.
4. Based on internal test report #RE00070348, Specimen retrieval devices: Specification development & justification. As compared to predicate Endo Catch™ Gold device. 2016.
1. Omotosho P, Yurcisin B, Ceppa E, Miller J, Kirsch D, Portenier DD. In vivo assessment of an absorbable and nonabsorbable knotless barbed suture for laparoscopic single-layer enterotomy closure: a clinical and biomechanical comparison against nonbarbed suture. J Laparoendosc Adv Surg Tech A. 2011;21(10):893-897.
2. Adams JB, Schulam PG, Moore RG, Partin AW, Kavoussi LR. New laparoscopic suturing device: initial clinical experience. Urology. 1995; 46(2):242-245.
3. Stringer NH. Laparoscopic myomectomy with the Endo Stitch™ 10 mm laparoscopic suturing device. J Am Assoc Gynecol Laparosc. 1996; 3(2):299-303.
4. Nguyen NT, Mayer KL, Bold RJ, et al. Laparoscopic suturing evaluation among surgical residents. J Surg Res. 2000; 93(1): 133-136.
5. Pattaras JG, Smith GS, Landman L, Moore RG. Comparison and analysis of laparoscopic intracorporeal suturing devices: preliminary results. J Endourol. 2001;15(2):187-192.
6. Hart S, Hashemi L, Sobolewski CJ. Effect of a disposable automated suturing device on cost and operating room time in benign total laparoscopic hysterectomy procedures. JSLS. 2013. 17(4):508–516.
7. Based on a five-year retrospective view of internal COGNOS data and extrapolated sales calculations.
8. Brown, S. Utilization of a porcine model to demonstrate the efficacy of an absorbable barbed suture for dermal closure. UTSW. 2009.
9. Rubin JP, Hunstad JP, Polynice A, et al. A multicenter randomized controlled trial comparing absorbable barbed sutures versus conventional absorbable sutures for dermal closure in open surgical procedures. Aesthet Surg J. 2014; 34: 272-283.
10. Zaruby J, Gingras K, Taylor J, Maul D. An in vivo comparison of barbed suture devices and conventional monofilament sutures for cosmetic skin closure: biomechanical wound strength and histology. Aesthet Surg J. 2011;31(2):232-240. doi: 10.1177/1090820X10395010
11. Gingras K, Zaruby J, Maul D. Comparison of V-Loc™ 180 wound closure device and Stratafix™* Spiral knotless tissue-closure device for intradermal closure in a porcine in vivo model: evaluation of biomechanical wound strength. J Biomed Mater Res Part B Appl Biomater. 2012;100(4):1053-1058.
†Compared to the competitive closure device, suture passers, and hand sutures.
1. Based on internal validation report #RE00098009 Rev A, DoubleTime VersaOne™ fascial closure system Miami lab VOCreport: 13 out of 16 surgeons surveyed agreed. March 28, 2017.
†Preclinical results may not correlate with performance in humans.
1. Based on internal test report #R2146-151-0, Powered stapling firing speed DOE analysis and ASA parameters. 2015.
2. Based on internal test report #R2146-173-0, ASA verification testing with slow speed force limit evaluation. 2015.
3. Based on internal test report #RE00024826, Signia™ stapling system summative usability report. January 2016.
When compared to Echelon Flex™* green reloads as part of an analysis comparing different stapler designs and their performance and impact on tissues under compression using two-dimensional finite element analysis. Sept. 2, 2011. Testing performed with Endo GIA™ staplers, not Signia™ loading units with Tri-Staple™ 2.0 cartridges.
Based on internal test report #2128-002-2, Final analysis of staple line vascularity using MicroCT. April 27, 2015. Testing performed with Endo GIA™ staplers, not Signia™ loading units with Tri-Staple™ 2.0 cartridges.
Based on internal test report #PCG-001, Tyvek pull-apart test comparing Echelon™* and Tri-Staple™ technology. March 2011.
Based on internal test report #PCG-004, Undercrimp comparisons in increasing pads of foam between Echelon™* and Tri-Staple™ technology. January 2012.
Based on internal test report #PCG-006, Staple formation comparison between Medtronic EGIA60AXT and Ethicon ECR60G in an ex vivo tissue model. January 2012.
Based on internal test report #PCG-018, 2-D FEA of linear staplers. November 2012.
Based on internal test report #PCG-019, Comparative test of Medtronic Endo GIA™ black reloads with Tri-Staple™ technology and Ethicon Echelon Flex™* black reloads. June 2014.
Preclinical results may not correlate with performance in humans.
† Preclinical results may not correlate with performance in humans.
1. Based on internal test report #RE00128041, Vessel tension testing: Comparing Endo GIA™ curved tip reloads with Tri-Staple™ technology to Echelon Flex™* PVS as part of a benchtop simulated tissue model to illustrate and evaluate tension during stapling reload closure. Dec. 4, 2017.
2. Compared to uniform staple closure and pivoting anvil reloads. Based on internal test report #RE00128041_Rev 1, Vessel tension analysis: Comparing Endo GIA™ curved tip
1. Based on internal test report #R0064457 rev C, LigaSure™ technology renal bench burst pressure evaluation of the Valleylab™ FT10 energy platform. January 2015.
†Compared to Spacemaker™ Plus device or PDB distention balloons
†‡Compared to Spacemaker™ Plus device
References:
1. Based on internal design verification report #RE00010041, Spacemaker™ Pro access and dissector system. December 2014.
2. Based on internal validation report #RE00013395, Spacemaker™ Pro access and dissector system. June 2015.
3. Spacemaker™ Pro access and dissectgor system [instructions for use]. Mansfield, MA: Medtronic; 2014.
†10 out of 10 surgeons surveyed after use agreed the device improved visualization vs. nonevacuation.
‡As compared with non-ULPA filtration or nonevacuation.
1. Based on internal test report #RE00139506 rev A, Bourbon: Valleylab™ laparoscopic smoke evacuation system nurses and surgeons claims report. March 12, 2018.
2. da Silva RD, Sehrt D, Molina WR, Moss J, Park SH, Kim FJ. Significance of surgical plume obstruction during laparoscopy. JSLS. 2014;18(3).
3. Based on Buffalo Filter report #PR-17003 rev A, ULPA filtration. Jan. 12, 2018.
†10 out of 10 surgeons surveyed after use agreed the device improved visualization vs. nonevacuation.
‡As compared with non-ULPA filtration or nonevacuation.
1. Based on internal test report #RE00139506 rev A, Bourbon: Valleylab™ laparoscopic smoke evacuation system nurses and surgeons claims report. March 12, 2018.
2. da Silva RD, Sehrt D, Molina WR, Moss J, Park SH, Kim FJ. Significance of surgical plume obstruction during laparoscopy. JSLS. 2014;18(3).
3. Based on Buffalo Filter report #PR-17003 rev A, ULPA filtration. Jan. 12, 2018.
1. Based on internal report #RE00138840, LIG-45 memo, device length recommendation, thoracic (LF1930T). Feb. 6, 2018.
2. Based on internal test report #RE00125866, Jaw force and gap range burst pressure evaluation of EB4 thoracic Maryland device (LF1930T); conducted on bovine tissue. Nov. 20–21, 2017 and Nov. 27–30, 2017.
3. Based on internal test report #RE00134865, Burst Pressure Verification of Pulmonary Bovine Veins (LF1930T). JAn. 17-18, 2018.
4. Based on internal test report #RE00122515, Verification of the LigaSure™ LF1930T Device in a GLP Chronic Hemostasis Canine Study on Pulmonary Vasculature. Jan. 8-10, 2018.
5. Based on internal test report #RE00128442, GLP Acute Pulmonary Vasculature Hemostasis Verification Study of the LF1930T in Hounds. Dec. 8, 2017.
1. Based on internal test report #PCG-019, Comparative testing of Covidien Endo GIA™ black reloads with Tri-Staple™ technology and Ethicon Flex™* black reloads. June 2014.
2. Based on internal test report #PCG-006_Rev1, Staple line evaluation of two staple designs (Endo GIA™ black 60 mm reloads with Tri-Staple™ technology and Echelon Flex™* green 60 mm reloads) in explanted porcine stomachs.†
3. Based on internal test report #PCG-007 rev 1, When compared to Echelon Flex™* green reloads as part of an analysis comparing different stapler designs and their performance and impact on tissues under compression using two-dimensional finite element analysis. Sept. 2, 2011.†
4.Based on internal test report #2128-002-2, Final analysis of staple line vascularity using MicroCT. July 2015.†
5. Based on internal test report #PCG-029, Intuitive Surgical™* stapling competitive analysis: head-to-head comparison of ex vivo firings in porcine stomach. Nov. 15, 2016.†
6. Hagen ME, Jung MK, Fakhro J, et al. Robotic versus laparoscopic stapling during robotic Roux-en-Y gastric bypass surgery: a case-matched analysis of costs and clinical outcomes. Surg Endosc. 2017 Jul 19. doi: 10.1007/s00464-017-5707-6. [Epub ahead of print]
†Preclinical results may not correlate with clinical performance in humans.
‡In a head-to-head comparison of ex vivo firings in porcine stomach using Tri-Staple™ technology purple reload versus Intuitive Surgical™* green reload.
†As compared to conventional sutures.
‡As a pre-clinical comparison to conventional sutures.
1. Fouda UM, Elsetohy KA, Elshaer HS. Barbed versus conventional suture: A randomized trial for suturing the endometrioma bed after laparoscopic excision of ovarian endometrioma. J Minim Invasive Gynecol. 2016;23(6):962–968.
2. Krishnamoorthy B, Shepherd N, Critchley WR, Nair J, et al. A randomized study comparing traditional monofilament knotted sutures with barbed knotless sutures for donor leg wound closure in coronary artery bypass surgery. Interact Cardiovasc Thorac Surg. 2016;22(2):161-7.
3. Zaruby J, Gingras K, Taylor J, Maul D. An in vivo comparison of barbed suture devices and conventional monofilament sutures for cosmetic skin closure: biomechanical wound strength and histology. Aesth Surg J. 2011;31(2):232–240.
† Compared to the LigaSure™ small jaw device;16 out of 16 surgeons surveyed agreed.
‡ 11 out of 13 surgeons surveyed agreed.
§ 11 out of 12 surgeons surveyed agreed.
ΩA fter five activations.
1. Based on internal report #RE00114823, Validation labs: surgeon evaluation of LigaSure™ exact dissector, nanocoated. July 18 to 26, 2017.
2. Based on internal report #RE00107711 Rev A, Market research: thermal profile comparison of LigaSure™ exact dissector and the Ethicon Harmonic Focus™*+ conducted on porcine tissue. August 2017.
US180719–[WF#2408477]
†29 out of 33 surgeons surveyed after use agreed.
‡ 29 out of 29 nurses surveyed after use agreed.
1. Based on internal test report #RE00147772 rev A, Sabre blade comparison report. April 18, 2018.
2. Based on internal test report #R0042752 rev A, Marketing evaluation of surgeon experience using the Sonicision™ curved jaw cordless ultrasonic dissector. Feb. 13–17, Feb. 28, March 3, May 16, 2017.
3. Based on internal test report #R0049393 rev A, Operating room staff marketing evaluation of the Sonicision™ curved jaw cordless ultrasonic dissector. Dec. 1, 6–7, 2016.
†29 out of 33 surgeons surveyed after use agreed.
‡ 29 out of 29 nurses surveyed after use agreed.
1. Based on internal test report #RE00147772 rev A, Sabre blade comparison report. April 18, 2018.
2. Based on internal test report #R0042752 rev A, Marketing evaluation of surgeon experience using the Sonicision™ curved jaw cordless ultrasonic dissector. Feb. 13–17, Feb. 28, March 3, May 16, 2017.
3. Based on internal test report #R0049393 rev A, Operating room staff marketing evaluation of the Sonicision™ curved jaw cordless ultrasonic dissector. Dec. 1, 6–7, 2016.
