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1. US20080097511 - Device and method for distraction of the spinal disc space

Office United States of America
Application Number 11574562
Application Date 02.09.2005
Publication Number 20080097511
Publication Date 24.04.2008
Grant Number 7749230
Grant Date 06.07.2010
Publication Kind B2
IPC
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
5
Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
31
Devices for introducing or retaining media, e.g. remedies, in cavities of the body
A61F 5/00
A61M 31/00
CPC
A61F 2/442
A61F 2/441
A61F 2002/30677
A61F 2002/444
Applicants Crosstrees Medical, Inc.
Inventors Yuan Philip S.
Lin Kwan Ku
Scribner Robert M.
Title
(EN) Device and method for distraction of the spinal disc space
Abstract
(EN)

An extractable device is used to insert a medicinal filling into a spinal disc. The device comprises a filling member and a flowable medicine. The filling member is made of a flexible and permeable wall and is provided with a holding portion and an injection port via which the flowable medicine is injected into the holding portion after the filling member is inserted into the spinal disc. The holding portion is provided with an opening which is releasably lashed by one end of one or more threads so as to make the opening leakproof. Upon completion of solidification of the flowable medicine in the holding portion of the filling member, other end of the thread is pulled to unlash the opening of the holding portion, thereby enabling the filling member to be extracted from the spinal disc so as to leave only the medicine in the spinal disc.