Method and apparatus for minimally invasive insertion of intervertebral implants

73 Pages·2013·2.66 MB·English

US 20120232658A1
(19) United States
(12) Patent Application Publication (10) Pub. No.: US 2012/0232658 A1
Morgenstern Lopez et al. (43) Pub. Date: Sep. 13, 2012
(54) METHOD AND APPARATUS FOR Publication Classi?cation
MINIMALLY INVASIVE INSERTION OF
(51) Int. Cl.
INTERVERTEBRAL IMPLANTS
A61F 2/44 (2006.01)
A61B 17/16 (2006.01)
(75) Inventors: Rudolf Morgenstern Lopez, A61B 17/66 (2006.01)
Barcelona (ES); Robert Flower,
(52) US. Cl. ......................... .. 623/17.16; 606/90; 606/79
Sun City, CA (US); Christopher
(57) ABSTRACT
Warren, Aliso Viejo, CA (US)
A dilation introducer for orthopedic surgery is provided for
(73) Assignee: INTERVENTIONAL SPINE, minimally invasive access for insertion of an intervertebral
INC., Irvine, CA (US) implant. The dilation introducer may be used to provide an
access position through Kambin’s triangle from a posterolat
(21) Appl. No.: 13/245,130 eral approach. A ?rst dilator tube With a ?rst longitudinal axis
is provided. A second dilator tube may be introduced over the
?rst, advanced along a second longitudinal axis parallel to but
(22) Filed: Sep. 26, 2011
offset from the ?rst. A third dilator tube may be introduced
over the second, advanced along a third longitudinal axis
Related US. Application Data
parallel to but offset from both the ?rst and the second. An
(60) Provisional application No. 61/530,031, ?led on Sep. access cannula may be introduced over the third dilator tube.
1, 2011, provisional application No. 61/504,120, ?led With the ?rst, second, and third dilator tubes removed, surgi
on Jul. 1, 2011, provisional application No. 61/471, cal instruments may pass through the access cannula to oper
030, ?led on Apr. 1, 201 1, provisional application No. ate on an intervertebral disc and/or insert an intervertebral
implant.
61/451,379, ?led on Mar. 10,2011.
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