WO1997039685B1 - Graduated bone graft harvester - Google Patents
Graduated bone graft harvesterInfo
- Publication number
- WO1997039685B1 WO1997039685B1 PCT/US1997/006478 US9706478W WO9739685B1 WO 1997039685 B1 WO1997039685 B1 WO 1997039685B1 US 9706478 W US9706478 W US 9706478W WO 9739685 B1 WO9739685 B1 WO 9739685B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bone
- cutting head
- tube
- hollow tube
- proximal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Abstract
This invention is a disposable, bone graft harvester (10) having a clear, graduated plastic tube (12) tipped with a bone cutting head (14) at one end, and a handle (16) or other torque supplying connection at the other end.
Claims
1. A bone graft harvester comprising: a) an elongated transparent hollow tube having a proximal and a distal end, said tube having a plurality of gradation marks between the proximal and distal ends to indicate volume; b) a bone cutting head attached in fluid communication to the distal end of said tube, said bone cutting head being constructed such that when torque is applied to said bone graft harvester, said bone cutting head will rotate into contacted bone resulting in the harvesting of distinct and separate bone chips which enter said hollow tube, said cutting head being constructed and arranged to prevent said bone chips from exiting said cutting head when removed from a harvesting site, said bone cutting head being removable; c) an attachment connected to the proximal end of the tube which allows torque to be supplied to the device, said attachment having an opening in communication with said tube to allow a plunger to pass proximally into said hollow tube to eject harvested bone distally after removal of said bone cutting head.
2. The harvester of Claim 1 wherein said attachment to said proximal end is a T- handle.
3. The harvester of Claim 2 wherein said T-handle has an opening in communication with said hollow tube to allow a plunger to pass through said T-handle into said hollow tube to eject harvested bone therein.
4. A bone graft harvester comprising: a) an elongated transparent hollow tube having a proximal and a distal end; b) reinforced framework secured about said hollow tube, said framework extending from the proximal to the distal end of said hollow tube, said framework being constructed and arranged to define at least two longitudinal slots through which said hollow tube may be seen along substantially the entire length of said hollow tube; -8-
c) a bone cutting head attached in fluid communication to the reinforced framework at the distal end of said tube, said bone cutting head being constructed such that when torque is applied to said bone cutting head, said bone cutting head will rotate into contacted bone resulting in the harvesting of distinct and separate bone chips which enter said hollow tube, said cutting head being constructed and arranged to prevent said bone chips from exiting said cutting head when removed from a harvesting site, said bone cutting head being removable; d) an attachment connected to said reinforced framework at the proximal end of the tube which allows torque to be supplied to the device, said attachment having an opening in communication with said tube to allow a plunger to pass proximally into said hollow tube to eject harvested bone distally after removal of said bone cutting head; e) said bone graft harvester including a plurality of gradation marks on said reinforced framework, said hollow tube or both to represent volume markers for said hollow tube.
5. A bone graft harvester comprising: a) an elongated transparent hollow tube having a proximal and a distal end; b) a reinforced framework having a proximal and a distal end, said framework being constructed and arranged to define at least two longitudinal slots, each of said longitudinal slots being closed by an inset transparent plastic, said framework and inset plastic defining a hollow tube, said slots and inset plastic providing a view of the interior of said hollow tube along substantially the entire length of said hollow tube; c) a bone cutting head attached in fluid communication to the reinforced framework at the distal end of said framework, said bone cutting head being constructed such that when torque is applied to said bone cutting head, said bone cutting head will rotate into contacted bone resulting in the harvesting of distinct and separate bone chips which enter said hollow tube, said cutting head being constructed and arranged to prevent said bone chips from exiting said cutting head when removed from a harvesting site, said bone cutting head being removable; d) an attachment connected to said reinforced framework at the proximal end of the tube which allows torque to be supplied to the device, said attachment having an -9- opening in communication with said tube to allow a plunger to pass proximally into said hollow tube to eject harvested bone distally after removal of said bone cutting head; and e) said bone graft harvester including a plurality of gradation marks on said reinforced framework, said plastic insets or both to represent volume markers for said hollow tube.
6. A method for harvesting bone chips comprising the steps of: a) making an incision through soft tissue to expose underlying bone; b) placing a tool with a cutting head against bone surface, said tool having an elongated transparent hollow tube having a proximal and a distal end, said tube having a plurality of gradation marks between the proximal and distal ends to indicate volume of said harvested bone chips, an attachment connected to the proximal end of the tube which allows torque to be supplied to the device, said bone cutting head being attached to the distal end of said tube, said bone cutting head being constructed to allow harvested bone chips to enter said hollow tube while preventing said bone chips from exiting bone cutting head when said tool is removed from said bone surface, said cutting head being removable; c) rotating said tool to cause said cutting head to form and harvest bone chips that enter the hollow tube; d) stopping said rotation when bone can be seen within said hollow tube up to a desired gradation mark; e) removing said tool from the incision site, removing the cutting head and ejecting the harvested bone by inserting a plunger through the tube from the proximal end to the distal end to thereby collect the harvested bone.
7. A bone graft harvester comprising: a) an elongated transparent hollow tube having a proximal and a distal end, said tube having a plurality of gradation marks between the proximal and distal ends to indicate volume; - 1 0-
b) a bone cutting head attached in fluid communication to the distal end of said tube, said bone cutting head having a plurality of cutting edges and openings which slice contacted bone into discrete chips when torque is applied to said bone graft harvester, said cutting edges and openings being constructed and arranged to force said bone chips distally into said hollow tube, said cutting edges and openings being constructed and arranged in a manner so as to prevent said bone chips from exiting said cutting head when removed from a bone harvesting site, said bone cutting head being removable from said tube; c) an attachment connected to the proximal end of the tube which allows torque to be supplied to the device, said attachment being removable from said tube.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53819997A JP2001521406A (en) | 1996-04-24 | 1997-04-15 | Graded bone graft collection device |
| AU27346/97A AU2734697A (en) | 1996-04-24 | 1997-04-15 | Graduated bone graft harvester |
| CA002271621A CA2271621A1 (en) | 1996-04-24 | 1997-04-15 | Graduated bone graft harvester |
| EP97921251A EP0904014A4 (en) | 1996-04-24 | 1997-04-15 | Graduated bone graft harvester |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/637,127 US5833628A (en) | 1996-04-24 | 1996-04-24 | Graduated bone graft harvester |
| US08/637,127 | 1996-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1997039685A1 WO1997039685A1 (en) | 1997-10-30 |
| WO1997039685B1 true WO1997039685B1 (en) | 1997-12-04 |
Family
ID=24554653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1997/006478 Ceased WO1997039685A1 (en) | 1996-04-24 | 1997-04-15 | Graduated bone graft harvester |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US5833628A (en) |
| EP (1) | EP0904014A4 (en) |
| JP (1) | JP2001521406A (en) |
| KR (1) | KR20000010620A (en) |
| AU (1) | AU2734697A (en) |
| CA (1) | CA2271621A1 (en) |
| WO (1) | WO1997039685A1 (en) |
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-
1996
- 1996-04-24 US US08/637,127 patent/US5833628A/en not_active Expired - Fee Related
-
1997
- 1997-04-15 AU AU27346/97A patent/AU2734697A/en not_active Abandoned
- 1997-04-15 CA CA002271621A patent/CA2271621A1/en not_active Abandoned
- 1997-04-15 JP JP53819997A patent/JP2001521406A/en not_active Ceased
- 1997-04-15 EP EP97921251A patent/EP0904014A4/en not_active Withdrawn
- 1997-04-15 KR KR1019980708519A patent/KR20000010620A/en not_active Withdrawn
- 1997-04-15 WO PCT/US1997/006478 patent/WO1997039685A1/en not_active Ceased
-
1998
- 1998-09-21 US US09/157,634 patent/US6139509A/en not_active Expired - Fee Related
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