Table

Various expandable interbody devices on the market and their specifications, including starting width, length, height, lordosis, and direction of expansion.

Product	Manufacturer	Release Date	Material	Starting Width (A-P)	Starting Length (M-L)	Starting Height	Starting Lordosis	Direction of Expansion	Back Filling	Literature
XLX ACR	NuVasive	2018	Titanium	23 mm	50, 55, or 60 mm	4, 6, 8, 10 mm	10°	Lordosis, 10–30°	Yes	NA
Caliber-L	Globus Medical	2012	PEEK/titanium	16, 18, or 22 mm	40–60 mm	Parallel expansion 7, 9, or 11 mm6° Expansion range 8 mm10° Expansion range 10 or 12 mm	0°, 6°, or 10°	Height, up to 5 mm	No	Frisch et al8
Rise-L	Globus Medical	2015	PEEK/titanium	18 or 22 mm	40–60 mm	Parallel expansion 7 or 10 mm6° Expansion range 8 mm10° Expansion range 10 mm	0°, 6°, or 10°	Height, up to 7 mm	Yes	Huang et al9Li et al10
ELSA	Globus Medical	2016	Titanium	20 mm	40–65 mm	Parallel expansion 7 or 10 mm6° Expansion range 8 mm10° Expansion range 10 mm	0°, 6°, or 10°	Height, up to 7 mm	Yes	Brady et al11
ELSA (AL)	Globus Medical	2017	Titanium	20 mm	40–65 mm	5°–20° Expansion range 8 mm15°–30° Expansion range 11 mm	5° or 15°	Height, up to 9 mmLordosis, 5°–20° or 15°–30°	Yes	NA
ELSA (ATP)	Globus Medical	2017	Titanium	20 mm	40–65 mm	Parallel expansion 7 or 10 mm6° Expansion range 8 mm10° Expansion range 10 mm	0°, 6°, or 10°	Height, up to 7 mm	Yes	NA
StaXx XDL	Spine Wave	2011	PEEK with 6% barium & tantalum markers	14 or 16 mm	Various	8 mm	0° or 6°	Height expansion in 1 mm increments	No	Alimi et al12
Sagittae	SpineEX	2018	Titanium	21.5 mm	42–58 mm	8.4 mm	0°	Height, 8.4–17.1 mmLordosis, 0°–30°	Yes	NA
AccuLif XL	CoAlign Innovations	2014	Titanium	18 or 22 mm	40–60 mm	18 mm width 6, 8, or 10 mm22 mm width 7 or 10 mm	0°, 6°, or 10°	Height, up to 7 mm	Yes	NA
Longbow	Lifespine	20162019	PEEKTitanium	15 mm	45–60 mm	9–15 mm	0° or 7°	Width, 27 mm full expanded width	Yes	NA
Toro-L	Integrity Implants	2021	Titanium	14 mm	45–60 mm	8 mm10 mm11 mm	5°10°15°	Height, up to 5 mm increaseWidth, either 21 or 24 mm	Yes	NA

A-P, anterior to posterior; M-L, medial to lateral; NA, not available; PEEK, polyetheretherketone.