Steerable vertebroplasty system

a vertebroplasty and steering technology, applied in the field of steering vertebroplasty system, can solve the problems of affecting the quality of life of older men and women, and the revision can only be applied to total joint replacement failures

Inactive Publication Date: 2009-05-21
OSSEON THERAPEUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0011]According to one embodiment of the present invention, disclosed is a steerable vertebroplasty device, including an elongate tubular body having a proximal end, a distal end, and a central lumen extending therethrough; a deflectable zone on the distal end of the tubular body, deflectable through an angular range; a handle on the proximal end of the tubular body; and a deflection control on the handle. The handle and deflection control are configured for single hand operation. The deflection control can include a rotatable element. The distal end can include a distally facing exit port in communication with the central lumen, or a lateral

Problems solved by technology

Eighty percent of those affected are women, particularly petite Caucasian and Asian women, although older men and women of all races and ethnicities are at significant risk.
Morbidity associated with ver

Method used

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Embodiment Construction

[0036]The present invention provides improved delivery systems for delivery of a bone cement or bone cement composite for the treatment of vertebral compression fractures due to osteoporosis (OSP), osteo-trauma, and benign or malignant lesions such as metastatic cancers and myeloma, and associated access and deployment tools and procedures.

[0037]The primary materials in the preferred bone cement composite are methyl methacrylate and inorganic cancellous and / or cortical bone chips or particles. Suitable inorganic bone chips or particles are sold by Allosource, Osteotech and LifeNet (K053098); all have been cleared for marketing by FDA The preferred bone cement also may contain the additives: barium sulfate for radio-opacity, benzoyl peroxide as an initiator, N,N-dimethyl-p-toluidine as a promoter and hydroquinone as a stabilizer. Other details of bone cements and systems are disclosed in U.S. patent application Ser. No. 11 / 626,336, filed Jan. 23, 2007, the disclosure of which is here...

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PUM

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Abstract

Methods and devices for augmenting bone, such as in performing vertebroplasty are disclosed. A bone cement injection needle is provided, having a laterally deflectable distal end. Systems are also disclosed, including the steerable injection needle, introducer and stylet. The system may additionally include a cement delivery gun, one-time use disposable cement cartridges and a cement mixing chamber. Methods are also disclosed.

Description

[0001]The present invention relates to bone augmentation devices and procedures. In particular, the present invention relates to steerable injection devices and systems for introducing conventional or novel bone cement formulations such as in performing vertebroplasty.BACKGROUND OF THE INVENTION[0002]According to the National Osteoporosis Foundation ten million Americans have osteoporosis, and an estimated 34 million with low bone mass are at risk of developing osteoporosis (http: / / www.nof.org / osteoporosis / diseasefacts.htm). Called the “silent disease,” OSP develops slowly over a number of years without symptoms. Eighty percent of those affected are women, particularly petite Caucasian and Asian women, although older men and women of all races and ethnicities are at significant risk.[0003]In the United States, 700,000 people are diagnosed with vertebral compression fractures as a result of OSP each year. Morbidity associated with vertebral fractures includes severe back pain, loss o...

Claims

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Application Information

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IPC IPC(8): A61M5/32A61B17/58A61M5/00A61M29/00
CPCA61B17/8811A61B2017/00557A61M5/19A61M25/0054A61M25/007A61M2025/0092A61M25/0138A61M25/0147A61M25/0152A61M2025/009A61M25/0136A61B17/8827
Inventor LIU, Y. KINGLAU, JAN R.THRELKELD, JUDSON E.LYSTER, MICHAEL T.
Owner OSSEON THERAPEUTICS
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