公开(公告)号：US20200155205A1

公开(公告)日：2020-05-21

申请号：US16614888

申请日：2018-05-18

申请人： Providence Medical Technology, Inc.

发明人： Shigeru Tanaka ,  Christopher U. Phan ,  Christopher Lambert ,  Nicholas Domek ,  Bon Champ ,  Edward Liou

IPC分类号： A61B17/70

摘要： A spinal fixation access and delivery system is disclosed. In some aspects, the system is used to access the cervical facet joint via a posterior access approach. The system may include an access device including a body having a proximal portion and a distal portion and a chamfered or beveled end feature positioned at the distal portion of the body and configured for insertion at the cervical facet joint. The system may further include a guide device having access device engagement features and a spinal fixation member. The access device includes at least one guide device receiving feature complementary to or keyed to the engagement feature of the guide device.

公开(公告)号：US20210386434A1

公开(公告)日：2021-12-16

申请号：US17278422

申请日：2019-09-20

申请人： Providence Medical Technology, Inc.

发明人： Shigeru Tanaka ,  Christopher U. Phan ,  Nicholas Domek ,  Christopher Lambert ,  Bon Champ ,  Edward Liou ,  Jamieson Scott Glenn ,  Alessandro Sensoli ,  Kehui Chen ,  Martin Leugers

IPC分类号： A61B17/16 ,  A61B17/17 ,  A61B17/70 ,  A61B90/00

摘要： Devices and methods for improved controlled and targeted decortication of the bone of a spinal facet joint are provided. In one aspect, a decortication tool is provided. The decortication tool may include a shaft with proximal and distal end portions. A handle may be connected to the proximal end portion of the shaft. A decortication head may be coupled to the distal end portion of the shaft. In another aspect, a multi-use instrument for use in a spinal system is provided. The instrument may include a body including opposing first and second sides, and opposing first and second surfaces. A cavity may be defined in the body, the cavity being open to the second surface. The instrument may include a bar attached to the second side of the body. A portion of the bar may extend beyond the second surface of the body.

公开(公告)号：US20210059833A1

公开(公告)日：2021-03-04

申请号：US16959522

申请日：2019-01-04

申请人： Providence Medical Technology, Inc.

发明人： Shigeru Tanaka ,  Christopher U. Phan ,  Christopher Lambert ,  Bon Champ ,  Edward Liou ,  Jeffrey D. Smith ,  Nicholas Domek

IPC分类号： A61F2/44 ,  A61F2/46 ,  A61F2/30

摘要： Disclosed is a system for delivering a facet screw assembly to a facet joint. The system includes a facet screw assembly and a delivery device. The distal end of the delivery device includes a facet screw engagement feature, which is keyed to a corresponding delivery device engagement feature. In other embodiments, the system may include a facet screw assembly, a facet access guide, a washer sizer tool removably engaged with the facet access guide, a lateral mass decorticator guide slidably and removably engaged with the washer size tool, a washer implant delivery tool removably engaged with the facet access guide and detachably coupled to the facet screw assembly, and optionally an impact handle detachably coupled to the facet access guide, washer sizer tool, and washer implant delivery tool.