双腔球囊微导管 MERIT MedicalDIREXION – Boston Scepter SeQure® microcatheter 忍者 MVP 微导管 Surefire
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DIREXION –塑形微导管

时间:2020-04-11 14:05来源:未知 作者:Mr.Editor
Direxion可控微导管主要尺寸 小腔 大腔 紫色接口(Hub)) 0.021内径 远端尖端外径 2.4 F 近端 最大外径OD 3F 0.035 导丝 兼容性 黄色接口(Hub) 0.027内径 远端尖端外径 2.8 F 近端最大外径3F 0.038导丝兼容性

Direxion Torqueable [tɔrk] 可转动 Microcatheter 

- Dynamic access sulution with



* Bench testing performed by Boston Scientific Corporation. Data on file. N=5. Bench test results may not be indicative of clinical performance.


Direxion™可控微导管主要尺寸
小腔 大腔
紫色接口(Hub))
0.021“内径 
远端尖端外径 2.4 F 
近端 最大外径OD 3F
0.035“ 导丝 兼容性 

黄色接口(Hub)
0.027“内径 
远端尖端外径  2.8 F
近端最大外径3F 
0.038“导丝兼容性 
 



Unique Tip Shapes for Increased Control









• Typically the shaft is braided
    – Tungsten spiral
    – Stainless steel spiral
    – Nitinol slotted tube
    – Fiber braiding
• Catheter has different zones
    – stiffer near the hub for a good pushability, 
     – flexible at the distal end

   

可控NITINOL [ˈnitinɔl] 微导管


近端:刻槽切口间距大。较高的刚性,更好的推进性
远端:刻槽切口间距小。较柔软的尖端,更好的控制

与栓塞剂有关的相容性


  Coil Particles Sphere Liquids
Direxion 0.018'
基于测试结果≤500μ Contour™PVA的栓塞微粒 
基于测试结果≤700μm Contour SE 微球 化疗药物、酒精、DMSO
Direxion HF N/A(无数据)
基于测试结果≤700μ Contour™PVA的栓塞微粒 
基于测试结果≤900μm Contour SE 微球


Direxion™ Attributes

Direxion™可控微导管 1200 PSI注入压力 (最高流量高达1200 PSI)

 

1)Higher Pressure Limits than comparable catheters

    a) Leads to improved flow rates 一
    b) Comparable to diagnostic catheters!
 


比较


Renegade is a trademark owned by Boston Scientific Corporation. Progreat is a trademark owned by Terumo Medical Corporation. Maestro is a trademark owned by Merit Medical Systems. Cantata is a trademark owned by Cook Medical

* All Flow Rates are per manufacturers DFU at the maximum burst pressure for each device and 130 cm or 135 cm catheter length with 100% contrast

 

 

2) Very Pushable/Trackable

3) Steerable


Direxion™ Flow Rates

  • Slotted [ˈslɒtɪd] nitinol hypotube combined with a braided liner allows Direxion to have 19% better flow rates than other similar ID microcatheters*
  • Direxion HI-FLO has 30% better flow rates than similar-sized microcatheters*
  * All Flow Rates are per manufacturers DFU at the maximum burst pressure for each device and 130 cm or 135 cm catheter length with 100% contrast

Renegade is a trademark owned by Boston Scientific Corporation. Progreat is a trademark owned by Terumo Medical Corporation. Maestro is a trademark owned by Merit Medical Systems. Cantata is a trademark owned by Cook Medical.

不完全栓塞时无需再导管 ,微导管可以造影,避免撤管
 


病例


病例1  :"Loop - the . Loop”

 
   

 
   

病例2 “ ”Pretzel [ˈpretsl] 椒盐卷饼

   


   


 


病例 3      “ The Roller Coaster ”

   


   


   


病例 4 “Ouch” [aʊtʃ]  哎哟

   


   


   


   


病例5 Vasculitis 血管炎

 


   



 



 


 


结论 


1) Very High flow rates – makes visualization much easier
2) Unparalleled [ʌnˈpærəleld]  空前的,无双的 Steerability 无以伦比的可控性
1) Superb [su:ˈpɜ:b] 极好的 Trackability/Pushability
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