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Methods and apparatus for securing a therapy delivery device within a burr hole

a technology for securing devices and burrs, applied in the direction of catheters, applications, surgery, etc., can solve the problems of unsupported stereotactic instruments, potential brain injury, and inability to support stereotactic instruments, so as to avoid unintended brain injury

Inactive Publication Date: 2005-08-18
MEDTRONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0013] One aspect of the above-listed procedures, and of any other such procedures that involve instrument access to the brain through a burr hole, is the precision with which any such inserted devices, e.g., catheters and leads, are placed. Once a satisfactory burr hole is established at a particular site, to avoid unintended injury to the brain, physicians typically use stereotactic procedures to position the inserted devices. One stereotactic instrument whic...

Problems solved by technology

Even one millimeter of travel of the positioned device may cause unsatisfactory results or, in some cases, potential injury to the brain.
That arrangement involved securing the lead off-center from the burr hole in a manner such that, during installation of the anchoring cap, a stereotactic instrument could not be used to support the lead.
The lead was thus potentially susceptible to inadvertent movement by the physician during cap installation.
Further, the interaction of the cap and socket could pull on the lead and potentially result in movement or dislodgement of the same.

Method used

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  • Methods and apparatus for securing a therapy delivery device within a burr hole
  • Methods and apparatus for securing a therapy delivery device within a burr hole
  • Methods and apparatus for securing a therapy delivery device within a burr hole

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Embodiment Construction

[0077] In the following detailed description of illustrative embodiments of the invention, reference is made to the accompanying figures of the drawing which form a part hereof, and in which are shown, by way of illustration, specific embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural changes may be made without departing from the scope of the present invention. Unless stated otherwise herein, the figures of the drawing are rendered primarily for clarity and thus may not be drawn to scale.

[0078] Generally speaking, the present invention is directed to apparatus, methods, and systems for implanting and anchoring a therapy delivery device relative to a burr hole formed in a human or other mammal.

[0079] As used herein, the terms “therapy delivery device,”“positioned therapy delivery device,” and “positioned device” refer to any elongated medical device having at least proximal and distal ends that: 1) exte...

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Abstract

Apparatus and methods for securing a therapy delivery device relative to a burr hole. In one embodiment, the apparatus includes a base that is securable to bone, without the use of fasteners, either before or after insertion of the therapy delivery device through the burr hole. The apparatus may further include a stabilizer that may be engaged with both the base and the therapy delivery device while the delivery device is held with positioning apparatus. The base and / or stabilizer may frictionally engage the delivery device, e.g., receive it with interference, to secure the device in two or more non-parallel directions. In some embodiments, at least the stabilizer may include a surface coating or treatment operable to enhance frictional engagement with the therapy delivery device.

Description

[0001] This application claims the benefit of: U.S. Provisional Application No. 60 / 544,456, filed 13 Feb. 2004; U.S. Provisional Application No. 60 / 563,787, filed 20 Apr. 2004; U.S. Provisional Application No. 60 / 587,356, filed 13 Jul. 2004; and U.S. Provisional Application No. 60 / 602,749, filed 19 Aug. 2004, all of which are incorporated herein by reference in their respective entireties. RELATED APPLICATIONS [0002] This application is related to the following applications, all of which share a filing date with the present application and all of which are incorporated herein by reference in their respective entireties: [0003] PCT. No. ______, Attorney Docket No. P-22168.01, entitled METHODS AND APPARATUS FOR SECURING A THERAPY DELIVERY DEVICE WITHIN A BURR HOLE; [0004] U.S. App. Ser. No. ______, Attorney Docket No. 134.02300101, entitled METHODS AND APPARATUS FOR SECURING A THERAPY DELIVERY DEVICE WITHIN A BURR HOLE; [0005] PCT. No. ______, Attorney Docket No. P-21003.03, entitled ...

Claims

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Application Information

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IPC IPC(8): A61B17/34A61B19/00A61M25/02A61N1/04A61N1/05
CPCA61B19/201A61B2017/3407A61N1/0539A61B2017/3492A61B2019/208A61B2017/347A61B2090/103A61B90/11
Inventor SCHULTE, GREGORY T.ADAMS, MATTHEW H.SAGE, SHAHN S.OTTEN, LYNN M.
Owner MEDTRONIC INC
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