US2007060941A1PendingUtilityA1

Systems and methods for removing tissue from a cancellous bone volume

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Assignee: KYPHON INCPriority: Jun 9, 1997Filed: Sep 27, 2006Published: Mar 15, 2007
Est. expiryJun 9, 2017(expired)· nominal 20-yr term from priority
Inventors:Mark A. ReileyArie ScholtenKaren TalmadgeRobert M. Scribner
A61F 2002/302A61F 2002/30245A61M 29/00A61F 2002/30313A61F 2002/4627A61F 2002/30228A61M 25/10A61B 17/7098A61F 2002/30308A61B 2010/0258A61F 2230/0006A61B 17/7291A61F 2/2846A61F 2002/2817A61B 17/7097A61F 2002/2892A61F 2002/30462A61B 2017/0256A61F 2230/0076A61F 2310/00293A61B 17/8816A61B 17/744A61F 2230/0063A61F 2002/2835A61F 2230/0069A61B 17/00234A61B 50/33A61F 2002/2871A61B 90/39A61F 2002/30115A61B 17/8811A61B 17/7258A61M 2210/1003A61F 2220/005A61B 90/94A61B 17/742A61B 10/025A61F 2/441A61B 17/7061A61F 2002/2828A61F 2310/0097A61F 2002/30125A61B 17/8855A61F 2250/0063A61F 2310/00353A61B 17/8805A61F 2230/0008A61B 2017/00539A61F 2002/2832A61F 2002/30285A61F 2230/0065A61M 29/02A61F 2230/0015A61F 2/4601A61F 2002/4685A61F 2002/30586A61B 2050/3015A61F 2002/30448A61F 2002/4635A61F 2002/30253A61B 2050/0065A61F 2002/30909A61B 10/0283A61F 2002/30288A61M 25/1002A61F 2002/2825A61F 2220/0075A61F 2002/30242A61F 2002/4217A61F 2002/30677A61F 2002/30599A61F 2/28A61F 2002/30113A61F 2230/0071A61F 2/4611A61F 2002/30581A61B 2017/00544A61M 2210/02A61F 2/44A61F 2002/30225A61F 2002/30133A61F 2002/2853A61B 17/56
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Claims

Abstract

A cavity forming structure is introduced through a percutaneous access path into a selected bone having an interior volume occupied, at least in part, by cancellous bone, e.g., a vertebral body. A cavity is formed in the cancellous bone volume by manipulation of the cavity forming structure. Tissue is removed from within the cavity through the percutaneous access path.

Claims

exact text as granted — not AI-modified
1 . A method comprising 
 introducing a cavity forming structure through a percutaneous access path into a selected bone having an interior volume occupied, at least in part, by cancellous bone,    forming a cavity in the cancellous bone volume by manipulation of the cavity forming structure, and    removing tissue from within the cavity through the percutaneous access path.    
     
     
         2 . A method according to  claim 1   wherein tissue is removed through a lumen in the cavity forming structure.    
     
     
         3 . A method according to  claim 1   further including fixation of the bone after removal of tissue.    
     
     
         4 . A method according to  claim 1   selecting a vertebral body as the bone to be treated.    
     
     
         5 . A method according to  claim 1   wherein the cavity forming structure comprises an expandable body that, by expansion, forms the cavity.    
     
     
         6 . A method according to  claim 5   wherein the expandable body expands by inflation.    
     
     
         7 . A method according to  claim 1   wherein the cavity forming structure includes an expandable mesh structure that, by expansion, forms the cavity.    
     
     
         8 . A method according to  claim 1   wherein the tissue removed includes biological components.    
     
     
         9 . A method according to  claim 1   wherein the tissue removed includes therapeutic biological components.    
     
     
         10 . A method according to  claim 1 , 
 wherein the tissue removed includes bone marrow.    
     
     
         11 . A method according to  claim 1   wherein the tissue removed includes red blood cells.    
     
     
         12 . A method according to  claim 1   wherein the tissue removed includes bone cells.    
     
     
         13 . A method according to  claim 1   wherein the tissue removed includes immune-? cells.    
     
     
         14 . A method according to  claim 1   further including using the tissue removed for a diagnostic purpose.    
     
     
         15 . A method according to  claim 1   further including using the tissue removed for a therapeutic purpose.    
     
     
         16 . A method according to  claim 1   wherein the selected bone comprises a vertebral body.    
     
     
         17 . A method according to  claim 1   wherein the selected bone comprises a pelvis.    
     
     
         18 . A method according to  claim 1   wherein the selected bone comprises a distal radius.    
     
     
         19 . A method according to  claim 1   wherein removing tissue from within the cavity includes conveying a biological rinse liquid into the cavity to loosen biological components.    
     
     
         20 . A method according to  claim 1   wherein removing tissue from within the cavity includes aspiration.

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