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. 2018 Jul 30;11(2):190–195. doi: 10.1136/neurintsurg-2017-013702

Table 1.

Catheters

Outer diameter	Catheter	Company	Distal ID (in)	Proximal ID (in)	Distal area (in²)	Length of tube (cm)	Effective ID (in)
6F	R⁴Q 6F	MIVI Neuroscience, Inc.	0.069	0.090*	0.0037	115	0.0854
	R⁴Q 6F	Eden Prairie, MN	0.069	0.090*	0.0037	115	0.0854
	Sophia Plus	MicroVention Terumo	0.07	0.07	0.0038	131	0.0700
	Sophia Plus	Tustin, CA	0.07	0.07	0.0038	131	0.0700
	ACE 68	Penumbra	0.068	0.068	0.0036	132	0.0680
	ACE 68	Alameda, CA	0.068	0.068	0.0036	132	0.0680
	ACE 064	Penumbra	0.064	0.068	0.0032	132	0.0672
	ACE 064	Alameda, CA	0.064	0.068	0.0032	132	0.0672
5F	R⁴Q 5F	MIVI Neuroscience, Inc.	0.057	0.090*	0.0026	115	0.0828
	R⁴Q 5F	Eden Prairie, MN	0.057	0.090*	0.0026	115	0.0828
	ARC	Medtronic	0.061	0.069	0.0029	132	0.0682
	ARC	Minneapolis, MN	0.061	0.069	0.0029	132	0.0682
	Mi-Axus 6	MIVI Neuroscience, Inc.	0.057	0.064	0.0026	128	0.0633
	Mi-Axus 6	Eden Prairie, MN	0.057	0.064	0.0026	128	0.0633
	InNeuroCo	Codman Neuro	0.06	0.064	0.0028	125	0.0636
	InNeuroCo	Raynham, MA	0.06	0.064	0.0028	125	0.0636
	5MAX ACE	Penumbra	0.056	0.064	0.0028	132	0.0636
	5MAX ACE	Alameda, CA	0.056	0.064	0.0028	132	0.0636
	5MAX	Penumbra	0.054	0.064	0.0023	128	0.0630
	5MAX	Alameda, CA	0.054	0.064	0.0023	128	0.0630
4F	R⁴Q 4F	MIVI Neuroscience, Inc.	0.043	0.090*	0.0015	120	0.0778
	R⁴Q 4F	Eden Prairie, MN	0.043	0.090*	0.0015	120	0.0778
	4MAX	Penumbra	0.041	0.064	0.0013	139	0.0617
	4MAX	Alameda, CA	0.041	0.064	0.0013	139	0.0617
3F	R⁴Q 3F	MIVI Neuroscience, Inc.	0.036	0.090*	0.00102	125	0.0768
	R⁴Q 3F	Eden Prairie, MN	0.036	0.090*	0.00102	125	0.0768
	3MAX	Penumbra	0.035	0.043	0.00096	153	0.0422
	3MAX	Alameda, CA	0.035	0.043	0.00096	153	0.0422

*Guide catheter ID is used as the proximal ID dimension of the R⁴Q system.