1、DEKNATEL | KMEDIC | PILLING | PLEUR-EVAC | WECKHem-o-lok 聚合物结扎锁聚合物结扎锁 Surgical Products Training Weck Ligation全球第一家并拥有结扎钉专利的医疗器械公司(1963年)100多年的外科手术医疗器械生产史提供极富创新的专业手术结扎缝合用品结扎消耗品的全球销售额:1亿美元/年;手动金属结扎钉消耗品占美国本土市场的70%在外科结扎用品制造业中具有举足轻重的地位Weck Ligation-威克公司成立于威克公司成立于1884年,年,创创始人始人Edward Weck-1942年,二年,二战战期期间
2、为间为美国美国军军方提供外科手方提供外科手术术医医疗疗器械器械-1963年,正式生年,正式生产销产销售售Hemoclip系列金属系列金属结结扎扎钉钉和持和持夹钳夹钳,并,并获结获结扎扎专专利利-1977年,公司年,公司总总部迁往北卡部迁往北卡罗罗来那州的高科技三角园区来那州的高科技三角园区-1961-1989年,通年,通过产过产品品设计设计开开发发、公司并、公司并购购等方式,威克等方式,威克规规模模迅速迅速扩扩大大Introduced first metal clip in marketplace in 1963: HemoclipMarket leader in Metal Manual C
3、lip (70% US market share)Mostly used for Cardio-Vascular surgery (small structures)Weck Ligation-1993年,由泰利福(年,由泰利福(Teleflex)公司收)公司收购购,与,与Pilling公司合并公司合并组组成匹林威成匹林威克(克( Pilling -Weck)公司)公司-1997年,并年,并购购Horizon公司,并向市公司,并向市场场推出极具推出极具创创新的新的Horizon结结扎扎产产品系列品系列-1997年,匹林威克分成二个子公司:年,匹林威克分成二个子公司:-匹林外科公司(生匹林外科公
4、司(生产产外科手外科手术术器械)器械)-威克威克闭闭合系合系统统( (WCS)公司(生)公司(生产结产结扎、扎、缝缝合合产产品和品和电电刀消耗配件)刀消耗配件),现现更名更名为为威克公司(威克公司(WECK) )-1999年,推出高分子多聚合物年,推出高分子多聚合物Hem-o-lok结结扎扎锁锁,并,并获获医医疗疗制造金制造金奖奖-目前,目前,WECK手手动动金属金属钉结钉结扎扎产产品占据北美市品占据北美市场场的的70%,在全球各地也,在全球各地也占据重要地位,是手占据重要地位,是手动结动结扎扎产产品的品的领导领导者。者。Hem-o-lokHem-o-lok结扎锁的材质(聚缩醛)Hem-o-l
5、ok结扎锁由哪些结构组成,以及这些特性带来的利益有哪些Hem-o-lok结扎锁主要分布哪些科室及什么手术中使用Hem-o-lok结扎锁的结扎范围及对应钳子型号Hem-o-lok结扎锁有哪些禁止使用及注意事项Hem-o-lok取钉方法Hem-o-lok的竞争产品Hem-o-lok惰性材料不可吸收的多聚合物材料无组织反应,粘连,焦痂杜绝细菌感染可透射线,CT/MRI检查无散射,无伪影Hem-o-lok+=-观念 :开发一种结扎产品,融合多种优越性能: 金属钉的方便,快捷;金属钉的方便,快捷; 缝线的安全性(对于大的血管组织);缝线的安全性(对于大的血管组织); 节省费用。节省费用。-Concept
6、: Develop a ligating device combining ease of use and speed of metal clips with security of suture on large structures at an effective cost使用结扎夹原因 Reasons To Ligate With Clips-快速(Speed)-方便(Ease of application)-可靠(Reliability)-节省费用(Cost effective)-无毒性(Non toxic)-尤其适合于腹腔镜/手助腹腔镜外科(Ideal for Laparoscopi
7、c and HALS Surgery)- 可到达暴露困难的区域(Can reach into areas of difficult exposure)- 在有效闭合范围内广泛使用(Limited number of sizes have widespread applicability)- 应用在未来新技术领域(Innovative future use)- 机器人外科(Robotic surgery)- 微血管吻合(Microvascular anastamosis)Hem-o-lok结扎锁防滑齿(Teeth)合页及小窗(Living hinge)弓形钉腿(Flexible hinge)隆突
8、(Bosses)扣锁(Lock)Solution: Hem-o-lok- 防滑齿防滑齿+ 扣锁扣锁(Teeth + lock)Issues-滑脱滑脱(Clip slippage)金属钉的问题Problems with Metal Clips最新研究表明:钛钉滑脱的危险性高于不可吸收的聚合物结扎夹。(Latest study: Loma Linda, July, 2005 Titanium clips are at higher risk for clips dislodgement than non-absorbable polymer ligating clips.)Hem-o-lokHem
9、-o-lok安全试验安全试验Security of Hem-o-lokSecurity of Hem-o-lok -缝线是金标准缝线是金标准(Suture is the gold standard)-安全性与安全性与2-0丝线相同丝线相同 (As secure as 2.0 silk suture)弹性合页弹性合页The Flexible Hinge隆突:使结扎锁安全附于持夹钳上Bosses: Clip Security in Applier金属钉的问题Problems with Metal Clips-Issues-滑脱-掉钉-切割,过度夹闭。-CT/MRI 伪影和散射伪影和散射-Solut
10、ion: Hem-o-lok-防滑齿+ 扣锁-隆突+ 弹性合页-弹性合页-可透射线可透射线-RadiolucentClip slippageClip falloutScissoring, overclosureartifacts, deflectionTeeth + lockBosses + Flexible hingeFlexible hinge RadiolucentHem-o-lokMetal可移除 - RemovableWhat does HOL have that the others dont?-CT/MRI 下不显影-夹壁范围大-安全性能与2.0的丝线相同-带锁扣,不易脱落-可移
11、除-不可吸收注意(注意(Caution) :不是“合” ,而是”锁”(Not CLOSE but LOCK)不是“扭曲/断裂” ,而是“锁不上”(Not CRUSH / SMASH but UNLOCK)Hem-o-lok is as secure as a 2.0 suturePolymer Clip Non Conductive / CT/MRI compatible / InertEasy Loading System NursesFlexible Hinge Doesnt fall out / Appropriate ClosuresLocking Mechanism Self-lim
12、iting / Tactile Feedback (smart clip)Removable InsuranceNon Absorbable (Polyacetal) Not bulkyDEKNATEL | KMEDIC | PILLING | PLEUR-EVAC | WECK手术介绍手术介绍Procedures Procedures 适应术式(开放/ 腹腔镜手术)Applications (Open & Laparoscopic)普外科 (General)-阑尾切除术(Appendectomy)-胆囊切除术(Cholecystectomy)-结肠切除术(Colectomy)-脾切除术(Sp
13、leenectomy)妇产科 (GYN)-子宫切除术(Hysterectomy)-卵巢切除术(Oophorectomy)泌尿外科 (Urology)-肾上腺切除术(Adrenalectomy)-前列腺切除术(Prostatectomy)-肾切除术(Nephrectomy)胸外科 (Thoracic)-肺叶切除术(Lobectomy)胆囊切除术(Cholecystectomy)胆囊切除术中的结扎解剖结构胆囊切除术中的结扎解剖结构 胆囊管和胆囊动脉胆囊管和胆囊动脉(Structures ligated in cholecystectomy cystic artery and cystic duct
14、)ML and L clips used腹腔镜胆囊切除术腹腔镜胆囊切除术手术过程气腹制备和放置套管显露胆囊,处理胆囊动脉 游离胆囊三角显露胆囊动脉及静脉,用Hem-o-lok结扎胆囊血管后离断处理胆囊管 分离胆囊三角,显露出胆囊管,用Hem-o-lok结扎胆囊管后切断切除胆囊胆囊动脉胆囊管胆囊切除术(Cholecystectomy)Cholecystectomy肾切除术(Nephrectomy)肾切除术(Nephrectomy)ML, L and XL clips used以及 ( AND) GI Surgery-Liver resection-Pancreatectomy-Gastric P
15、rocedures-Small and Large Bowel Resection-Colon and Rectal SurgeryBreast Surgery-MastectomyUrologic Surgery-CystectomyEndocrine Surgery-ThyroidectomyVascular Surgery-Aneurysms-Carotid surgeryCardiothoracic Surgery-Internal mammary artery ligation-Esophagectomy-Saphenous Harvesting普外科-肝切除术-胰腺切除术-胃部手术
16、-大肠和小肠切除术-结直肠手术胸外科-乳房切除术泌尿外科-膀胱切除术内分泌外科-甲状腺切除术血管外科-动脉瘤切除术-颈动脉瘤手术心胸外科-乳内动脉结扎术-取大隐静脉手术 -食管切除术 手术术式总结手术术式总结广泛应用提升使用 胆囊切除术 肾切除术 肾部分切除术 膀胱切除术 前列腺切除术 胃癌 结直肠癌 脾切除术 肝切除术 阑尾切除术 肺叶切除术 肾上腺切除术 胰腺切除术 子宫切除术 卵巢切除术DEKNATEL | KMEDIC | PILLING | PLEUR-EVAC | WECK禁忌症和注意事项禁忌症和注意事项Contraindicatons and Caution Contraindi
17、catons and Caution 禁忌症 - Contraindications禁忌症 - ContraindicationsHem-o-lok- Hem-o-lok ligating clips are contraindicated for use in ligating the renal artery during laparascopic nephrectomies in living donor patients.禁忌症 - Contraindications- 禁忌症只针对Hem-o-lok 仍然适用于开放活体取肾手术和所有根治性肾切除术,要求推荐近端肾动脉用二枚结扎锁闭合,
18、切口留2-3MM袖口距离。-contraindication is only for laparoscopic live donor nephrectomy. Hem-o-lok continues to be recommended for use on the renal artery during open live donor nephrectomy or any type of radical nephrectomies as long as the surgeon applies two (2) clips on the patient side and leaves a 2-3m
19、m cuff.禁忌症 - Contraindications我们认为:在腹腔镜活体取肾手术当中,外科医师为了使肾移植动脉吻合更方便,最大限度地延长取肾端的动脉长度,这种无意的错误做法,可能导致某些临床意外事件的发生。we believe that the incidents may have been caused by unintentional misapplication of the clips, which may have resulted from the surgeons desire to maximize the length of the renal artery rem
20、oved from the donor in order to facilitate the arterial anastomosis of the transplanted kidney.注意 - CAUTION注意 - CAUTION- 务必确认结扎锁施放在正确的血管或组织上。- 施放结扎锁后,务必观察结扎位置,以确认结扎锁正确闭合。- 结扎完毕,务必确认闭合的安全性。- HOL聚合物结扎锁不能用作组织标记用。-The clip must be latched to ensure proper ligation of the vessel or tissue. -Inspect the l
21、igation site after application to ensure proper closure of the clip. -Security of the closure should be confirmed after ligation. -The Hem-o-lok Polymer Ligating Clip is not designed for use as a tissue marker. DEKNATEL | KMEDIC | PILLING | PLEUR-EVAC | WECK提供的产品提供的产品Product OfferProduct Offer概述Over
22、view中号中号M- Medium 544220由于有中大号,进展最慢(Slowest mover because ML)中大号中大号ML - Medium-Large 544230最适合于腹腔镜胆囊切除术 (Best product for lap chole)大号大号L - Large 544240进步最大 (Biggest mover)加大号加大号XL - Extra-Large 544250快速增长 ( Fastest growth / Biggest $) 概述Overview中号中号- Medium (闭合范围:2-7MM)蓝色色标闭合范围所限,进展最慢中大号中大号 - Mediu
23、m-Large (闭合范围:3-10MM)绿色色标最适合于腹腔镜胆囊切除术大号大号 - Large (闭合范围:5-13MM)紫色色标最通用,最具市场潜力的型号加大号加大号 - Extra-Large (闭合范围:7-16MM)金色色标快速增长,尤其在妇产,泌尿,胃肠手术钉条钉条中号(M)544220中大号(ML)544230大号(L)544240加大号(XL)544250-钉条颜色与结扎锁型号对应,识别方便色标(Color Code)ML加大号HOL结扎锁XL HEM-O-LOKXL: Who are we competing against?直线缝合器直线缝合器GIA Stapler XL
24、快速Fast ligation安全Secure 方便Convenient无需过多分离Requires less dissection费用高Expensive在装载费时Time consuming to reload 误激发可能导致严重后果Misfires can be extremely problematic不能取消 Irreversible缝线缝线Suture XL低值Low cost 安全Secure 可透射线 Radiolucency 手感 Tactile feedback 费时 Time consuming 难以在暴露困难区域操作Difficult to place in deep
25、areas +-就每台手术费用而言,竞争产品无法与XL抗衡Cost per ProcedureThe competition holds no weight to XLCOMPETITORSXL连发自动持夹钳(开放和腔镜)- 自动 Endo5: SLS Innovations of the year 2004腔镜持夹钳 (5mm 和10mm杆径)- 10mm 结扎锁可通过5mm套管- 13或16mm结扎锁可通过10mm套管Product offer开放手术持夹钳(直头/直角)大号管道式持夹钳 544182L Conduit Applier通过3cm的小切口可深入到16cm区域( Reach s
26、tructures over 16cm deep through a 3cm incisions )目标- 微创取挠动脉和大隐静脉。- 所有深部或暴露受限制的开放手术:如肺叶切除术,前列腺切除术,子宫切除术等。TARGET- SaphLITE & RadLITE users- Any open procedures with deep and/or confined areas (I.e. lobectomy, prostatectomy, hysterectomy)大号开放手术连发自动持夹钳Automatic Open Large Applier: AOL快速 / 安全(Speed & Se
27、curity)连发自动 开放手术平台 一次性使用预装15 枚大号结扎锁-血管范围: 5-13mmAutomaticOpen PlatformDisposable15 L clips-Range Vessel: 5-13mm施放技术: 3L (Loading Technique)取钉取钉Load定位定位Locate关锁关锁Lock腔镜连发自动持夹钳Auto Endo5 / AE5 -连发自动(Automatic)-5MM套管(5mm Platform)-一次性使用(Disposable)-预装15 枚中大号结扎锁血管范围: 3-10mm-工作长度29MM (Shaft: 29cm) -杆径:5.
28、3mmAE5 -腔镜连发自动持夹钳安全Security 感觉踏实Peace of Mind- 锁Locking clip (自限self-limiting)- 触觉手感(Tactile feedback)- 可以移除(Removable clip)手术效果更佳Better patient outcomes- 切口更小。5mm vs. 10mm省时省钱 Savings of time and money- 带锁的夹子(Locking clip)- 5mm平台(5mm platform)- 自动连发(Automatic)腹腔镜5mm vs. 10mm套管10mm5mm5mm5mm10mm5mm10
29、mm5mm腹腔镜5mm vs. 10mm套管减少住院天数减少药物治疗需求缩短患者恢复时间减少手术时间提高效率提高患者生活质量 Reduction in Hospital Days Reduction in Medications Shortened Patient Recovery Times Reduction in Procedural Time Increased Efficiency Increase in Patient Quality of Life 除夹钳 - Clip Remover开放手术(Open):544123: M, ML, 和 L544124 L 和 XL腔镜手术(E
30、ndo):544121: 5mm 除夹钳: ML 和 L544130: 10mm除夹钳: L 和 XL带齿的钳口可固定结扎锁(Serrated Jaw to stabilize the clip )可以捡起并移出结扎锁设计(Designed to pick up removed clips)除夹钳上,结扎锁放置方法Remover Clip Placement预真空消毒- Pre-vacuum sterilizationPlease note that our open and endoscopic Hem-o-lok appliers can now be sterilized wrapped
31、 with Steam Sterilization (Pre-vacuum) at a temperature between 273 and 279 Fahrenheit degree using a 3 minute cycle.Teleflex Medical plans to update Instruction For Use documents to include this new sterilization process.For safe, effective sterilization, Teleflex Medical recommends the following c
32、ycles:Note: Sterilization cycles other than those recommended by Teleflex Medical should be validated using appropriate laboratory methods.Cycle TypeTemperature (F)Time (minutes)Wrapped/UnwrappedSteam Sterilization Pre-vacuum270-2754Wrapped or UnwrappedPre-vacuum273-2793Wrapped or UnwrappedGravity27
33、0-27515Wrapped or UnwrappedGravity250-25430Wrapped or UnwrappedSteam-flush Pressure Pulse270-2754Wrapped or UnwrappedSterradOnly Models 50 and 100S have been validated for use in sterilization of Weck ring handled appliers.预真空消毒- Pre-vacuum sterilization请注意,HOL开放和腔镜手术持夹钳目前均可在打包状态下,华氏273-279度(摄氏度)3分钟
34、循环蒸汽灭菌消毒(预真空消毒)泰利福医疗计划更新包括消毒程序在内的使用说明书为了安全有效灭菌消毒,泰利福医疗推荐以下循环程序:注意:如使用不同于泰利福医疗推荐的消毒程序,必须得到相关实验室方法证明是有效的。循环类型循环类型Cycle Type温度温度(F)Temperature (F)时间(分)时间(分)Time (minutes)预包装预包装/打开状态打开状态Wrapped/Unwrapped蒸汽消毒Steam Sterilization 预真空Pre-vacuum270-2754预包装或打开状态预包装或打开状态Wrapped or Unwrapped预真空Pre-vacuum273-279
35、3预包装或打开状态预包装或打开状态Wrapped or Unwrapped加压Gravity270-27515预包装或打开状态预包装或打开状态Wrapped or Unwrapped加压Gravity250-25430预包装或打开状态预包装或打开状态Wrapped or Unwrapped加压蒸汽冲洗Steam-flush Pressure Pulse270-2754预包装或打开状态预包装或打开状态Wrapped or UnwrappedSterradOnly Models 50 and 100S have been validated for use in sterilization of
36、Weck ring handled appliers.DEKNATEL | KMEDIC | PILLING | PLEUR-EVAC | WECK竞争产品竞争产品 Hem-0-lok Hem-0-lok竞争产品竞争产品直接竞争产品直接竞争产品-J&J Absolok Clip-Tyco Lapro Clip间接竞争产品间接竞争产品-缝线-金属钉-电动止血设备- 高频电刀- 双极电凝- 超声刀- 结扎速-直线吻合器Johnson & Johnson- ABSOLOK Clip-Poly-dioxanone 聚酯材料-植入后90天开始吸收,210天完全吸收-中大(2.5-4mm)、大号(3.5-
37、5.5mm)-5钉/仓,10钉/仓 包装-10mm管径Tyco- Lapro Clip Dexon-Maxon (PGA-P.Glyxonate)材料 中大号(8mm)、大号(12mm) 2钉/仓,6钉/仓 包装-10mm管径 潜在竞争产品潜在竞争产品 扬州新智源扬州新智源-模仿Hem-0-lok-二类注册证-仅限用于取出体内段 结扎钉信息对比结扎钉信息对比 Hem-0-lokJ&J Absolok ClipTyco Lapro Clip国国产产MaterialPolyacetal 聚聚缩醛缩醛Poly-dioxanone聚聚酯酯材料材料Poly-dioxanone聚聚酯酯材料材料未未见见公开
38、公开资资料料报报道道medium-large 3-10mm(2.5-4mm) 3.9-6.3mm8mm3-10mmlarge5-13mm(3.5-5.5mm) 5.5-8.6mm12mm5-13mmExtra-large7-16mm- - 7-16mmPackage 枚枚/钉仓钉仓65 or 102 or 66Price价格价格153-181元元/枚枚260-320元元/枚枚260-320元元/枚枚45-116元元/枚枚Absorbable Clip vs HOL : Material Advantage Issue of Absorbable Clip-1-2周即开始分解周即开始分解-分解产
39、生的裂纹提供细菌藏匿场分解产生的裂纹提供细菌藏匿场所所-水解产物可能成为水解产物可能成为过敏体质的致过敏体质的致敏源敏源-结扎范围不够大结扎范围不够大 使用受限使用受限 Advantage of HOL-不会分解,永久闭合血管不会分解,永久闭合血管-表面光滑没有裂纹,不会藏匿细表面光滑没有裂纹,不会藏匿细菌菌-惰性材料,没有人体反应惰性材料,没有人体反应-提供加大号提供加大号HOLHOL,最大结扎范围,最大结扎范围Absorbable Clip vs HOL: Clinical advantage Issue of Absorbable Clip-价格贵,同时使用可吸收夹和钛价格贵,同时使用可
40、吸收夹和钛夹,更换施夹钳麻烦夹,更换施夹钳麻烦-J&J- 锁扣不牢固,钉夹太大影响锁扣不牢固,钉夹太大影响术野视线术野视线 操作不方便操作不方便-Tyco- 没有锁扣装置,安全度差没有锁扣装置,安全度差-只有只有10mm 管径,创伤大管径,创伤大Advantage of HOL-2 可吸收可吸收= 6 HOL,性价比高,不,性价比高,不用更换施夹钳用更换施夹钳-HOL同时具有锁扣装置,小巧不同时具有锁扣装置,小巧不影响视线,穿透力强,可以卸除,影响视线,穿透力强,可以卸除,容纳组织多容纳组织多.-提供中大号提供中大号5mm 管径,微创管径,微创DEKNATEL | KMEDIC | PILLI
41、NG | PLEUR-EVAC | WECK竞争产品竞争产品-缝线结扎(Suture)-金属钉结扎(Metallic Clips)- 不锈钢钉/钽钉/钛钉- 单发 / 连发(manual & automatic)-电动止血结扎技术(Energy)- 高频电刀( LigaSure )- 双极电凝( Bipolar Electrocautery )- 超声刀( Harmonic Scalpel )-直线吻合器( Linear Staplers )-聚合物结扎夹( Polymer Clips) - 单发 / 连发(manual & automatic)外科结扎方法外科结扎方法Surgical Evo
42、lution Closures外科缝合(Suture in Surgery )ADVANTAGES:-费用低廉-安全-可透射线-触觉手感DISADVANTAGES:-费时-深部和不易暴露的手术区域有困难。ADVANTAGES:-Low cost-Security-Radiolucency-Tactile feedbackDISADVANTAGES:-Time consuming-Difficult to place in deep and confined areas结扎速(LigaSure)OVERVIEW:-威力 泰科医疗的分支-1998年上市-封堵需应用高频电能,使人体组织内胶原蛋白和纤
43、维蛋白溶解变性,血管壁融合成一透明带。-开放/腹腔镜器械 (5mm and 10mm)OVERVIEW:-Valleylab division of Tyco Healthcare-Approved in 1998-Seals by applying high current/low voltage-Collagen and elastin within vessel wall, connective tissues denatured-Tissue melt reformed as permanent, translucent seal-Open and Laparoscopic instr
44、uments (5mm and 10mm)结扎速( LigaSure)ADVANTAGES:-只需较小的分离,即可对血管和组织封堵。-热传导范围小。-留置后无异物反应。-比缝合快速。DISADVANTAGES:-可封堵血管最粗为7MM。-如焊接不牢,会出血-需要电动设备支持。费用高。-一次性腔镜器械费用高。-电极一次性使用。-没有钉夹结扎迅速。-不能取消结扎。ADVANTAGES:-Seals tissue bundles and vessels with minimal dissection-Minimal thermal spread-No foreign body left behind
45、-Faster than suture ligationDISADVANTAGES:-Can seal vessels only up to 7mm-Bleeding, if transection after application is not precisely in weld-Requires purchase of generator and laparoscopic hand pieces at a cost of approximately 26,000 USD-Single-use only; laparoscopic instruments at cost 175 USD-S
46、ingle-use only electrodes-Not as fast as clip ligation time consuming-Irreversible ligation超声刀 ( Harmonic Scalpel)-1993年引入市场。-为强生购得。-利用超声能量进行切割和凝结。-传感器将电能转换成机械振动能。-泰科美外(USSC)也有类似产品-Introduced in 1993 by Ultracision-Purchased by Ethicon EndoSurgery-Uses ultrasonic energy to cut and coagulate-Transduc
47、er converts electrical energy intomechanical vibration-USSC has entered market with AutoSonics device超生刀(Harmonic Scalpel )ADVANTAGES:-超声器械可以做抓取,分离,电凝和切割等操作。-热损伤深度为1MM,低于横向损伤。-没有烟雾。-对于组织分离,拈连分解具有卓越功能-广泛用于腹腔镜手术。-可用5MM直径套管。DISADVANTAGES:-需购入主机发生设备和相关电缆。-需机器设备清洁,维护灵敏配件-超声刀头为一次性使用,费用高。-有效闭合范围是3-5MM血管。-其
48、结扎速度和安全性能与所夹闭的血管有关。-结扎不能取消ADVANTAGES:-Instrument can grasp, dissect, coagulate or cut-Depth of thermal damage 1 mm less lateral damage-No smoke or charring-Excellent for dissection of tissue planes, lysis of adhesions-Wide use in lap procedures-5 mm diameter can be used through a 5 mm lap portDISADV
49、ANTAGES:-Requires purchase of a generator, hand piece and connecting cable at a cost of approximately 30,000 USD-Requires cleaning, maintenance of delicate accessories-Requires single patient use of lap coagulating shears at a cost of approximately 175 USD-Reliable security of closure for hemostasis
50、 is only for small vessels in range of 3-5 mm-Speed of ligation varies inversely with security-Irreversible ligation直线缝合器 Linear Staplers-相对陈旧的技术-应用于开放/腔镜手术-腔镜有直头和成角度两种 -施放2-3个双排结扎钉于组织束-在结扎钉之间剪断组织-结扎范围是20-60MM-Relatively old technology-Open or endoscopic applications-Endoscopic straight or articulat