CA2271621A1 - Graduated bone graft harvester - Google Patents
Graduated bone graft harvester Download PDFInfo
- Publication number
- CA2271621A1 CA2271621A1 CA002271621A CA2271621A CA2271621A1 CA 2271621 A1 CA2271621 A1 CA 2271621A1 CA 002271621 A CA002271621 A CA 002271621A CA 2271621 A CA2271621 A CA 2271621A CA 2271621 A1 CA2271621 A1 CA 2271621A1
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- CA
- Canada
- 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.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1664—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00473—Distal part, e.g. tip or head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/063—Measuring instruments not otherwise provided for for measuring volume
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.
Description
GRADUATED BONE GRAFT HARVESTER
Background of the Invention 1. Field of the Invention This invention relates to a device for harvesting bone graft.
Background of the Invention 1. Field of the Invention This invention relates to a device for harvesting bone graft.
2. Description of the Related Art ' Bone graft is utilized in many surgical procedures. It is often harvested from bone from the hip. Often, a simple chisel approach has been employed to dig out bone which often results in a wound site that is more painful than the site in which the harvested bone is to be used.
U. S. patent S, 341, 816 issued to Allen shows a biopsy device including a long, solid shaft 24 having a T-handle at one end and a hollow cavity at the other end to receive a cartridge assembly of a clear plastic tube and a steel cutter.
The harvested tissue is seen in the plastic tube through a slots in the shaft's hollow cavity. After collection, the cartridge assembly is unscrewed and the tissue is ejected by a push rod inserted through the open end of the cutter.
The art described in this section is not intended to constitute an admission that any patent, publication or other information referred to herein is "prior art" with respect to this invention, unless specifically designated as such.
In addition, this section should not be construed to mean that a search has been made or that no other pertinent information as defined in 37 C.F.R. ~ 1.56(a) exists.
Summary of the Invention The invention provides a unique bone harvester in which the physician may quickly obtain the volume of bone required with minimal invasiveness. It employs a disposable harvester having a clear plastic tubular body which has gradations along its length to readily show the volume of material harvested by a single glance.
One end of the clear plastic tube is tipped by a cutting head and the other end includes a handle or other torque supplying connection. The device is simply rotated into the bone, causing bone to be milled by the cutting head and pulled into the barrel of the clear tube. The , 30 gradations on the tube allow the physician to immediately know the volume harvested.
Brief Description of the Drawings A detailed description of the invention is hereafter described with specific reference being made to the drawings in which:
FIG. I is a perspective view of the invention;
FIG. 2 is an exploded perspective view showing the drill head;
FIG. 3 is a perspective view demonstrating the harvesting of bone from a S hip;
FIG. 4 is a side elevational view illustrating removal of the drill head to retrieve harvested bone;
FIG. 5 is a side elevational view showing the drill head removed and plunging out the harvested bone;
FIG. 6 is a side elevational view illustrating the drill head assembled;
FIG. 7 is a cross-sectional view taken from line 7-7 in Fig. 6;
FIG. 8 is an exploded perspective view showing an alternate cutting head;
FIG. 9 is a perspective view of an alternative embodiment of the invention;
FIG. 10 shows the device of FIG. 9 attached to a power take-off connection;
FIG. 11 shows the device of FIG. 1 with a threaded distal tube end;
FIG. 12 shows an alternate cutting head; and FIG. 13 shows a cross-section of the cutting head of FIG. 12 taken along lines I3-13.
Description of the Preferred Embodiments The main components of the bone harvester device ZO of the invention are shown in Fig. 1 and include the clear, graduated plastic tube I2, a cutting head 14, a T-handle 16 and a bone extractor plunger 18. As shown in Fig. 2, the attachment between the cutting head 14 and the tube 12 may be by a formed end 20 with lock buttons 22 which engage with an L-slot 26 in the cutting head. The cutting head 14 has a number of cutting edges 30 formed along the cutting slots 32. The number and arrangement of the slots 32 and cutting edges 30 may be varied depending on the size of the harvested bone pieces desired.
A number of gradation marks 24 may be etched or otherwise placed on the plastic tube 12 to show volume of bone harvested. When the surgeon is harvesting bone from the iliac crest 74 as depicted in Fig. 3, the site is exposed via a small incision and a starter trocar may be used to penetrate the outer bone. The device 10 of the invention is then positioned as shown and gently rotated against the bone, causing the cutting edges 30 to create small bone chips which enter the hollow tube via the slots 32. As the tool 10 is used, the harvested bone 40 fills up the clear tube 12, passing each of the gradations 24 until the desired volume is reached. At that point, the tool is withdrawn and the cutting head 14 is removed. A bone extractor plunger I8 is then inserted through the hollow T-handle 16 to eject the harvested bone 40 from the device so it may be used as desired.
IO The cutting head 14 includes cutting edges 30 and slots 32 to carve chips of bone which enter the hollow tube I2. The slot and edge combination sizes the bone chips and prevents the bone from exiting the hollow tube 12 when withdrawn from the harvest site. In Fig. 8) an alternate cutting head 42 is shown in which a centrally located spike 44 is located between two cutting edges 46 and slots 48. It should be recognized that angles of the cutting edges and size of the slots may be varied to select different sized bone chips. A conical cutting head 70 is shown in Figs. 12 and I3, along with threads 72 to mate to a threaded tube I2 as in Fig. 11. Also, the attachment to the hollow tube 12 via lock buttons 22 and L-slots 26 are simply one of many means to attach the cutting head 14 to the tube 12. Fig. I1 shows that attachment may be by a threaded end 34.
In the device 50 of the invention shown in Figs. 9 and 10, the device is strengthened by a reinforcing framework 52 that surrounds the hollow tube 12.
In this embodiment, the framework would typically be formed of stainless steel and would provide the connection to the cutting head at the distal end and to the T-handle or power take-off at the proximal end. As shown, the framework 52 would leave at least two longitudinal slots 54 extending substantially the entire length of the clear tube 12 so the harvested bone could be seen. The device 50 of Figs. 9 and 10 would have greater strength and may be able to harvest bone without the need for a starter trocar. The intimate arrangement of the clear tube 12 against the reinforcing framework 52 increases the torque that may be applied to the cutting head without damage to the device 50. The tube may be formed by a combination of clear plastic and the metal framework such that clear plastic is inset into windows in the metal framework.
Gradations 24 may be placed on the clear tube 12, the framework 52 or both, to show volume of harvested bone 40. Figure 10 shows the device attached to a power drill 60. Any power take-off connection may be used to attach the proximal end to a rotary drill, including Hudson fittings and the like.
In the device shown in Figures 9 and 10, the method of use is similar to that previously described, although a starting trocar may not be needed . In all cases, the cutting head is removed after the bone is harvested and bone is extracted by pushing it out of the clear tube 12 from the proximal to the distal end.
While this invention may be embodied in many different forms, there are shown in the drawings and described in detail herein specific preferred embodiments of the invention. The present disclosure is an exemplification of the principles of the invention and is not intended to limit the invention to the particular embodiments illustrated.
This completes the description of the preferred and alternate embodiments of the invention. Those skilled in the art may recognize other equivalents to the specific embodiment described herein which equivalents are intended to be encompassed by the claims attached hereto.
U. S. patent S, 341, 816 issued to Allen shows a biopsy device including a long, solid shaft 24 having a T-handle at one end and a hollow cavity at the other end to receive a cartridge assembly of a clear plastic tube and a steel cutter.
The harvested tissue is seen in the plastic tube through a slots in the shaft's hollow cavity. After collection, the cartridge assembly is unscrewed and the tissue is ejected by a push rod inserted through the open end of the cutter.
The art described in this section is not intended to constitute an admission that any patent, publication or other information referred to herein is "prior art" with respect to this invention, unless specifically designated as such.
In addition, this section should not be construed to mean that a search has been made or that no other pertinent information as defined in 37 C.F.R. ~ 1.56(a) exists.
Summary of the Invention The invention provides a unique bone harvester in which the physician may quickly obtain the volume of bone required with minimal invasiveness. It employs a disposable harvester having a clear plastic tubular body which has gradations along its length to readily show the volume of material harvested by a single glance.
One end of the clear plastic tube is tipped by a cutting head and the other end includes a handle or other torque supplying connection. The device is simply rotated into the bone, causing bone to be milled by the cutting head and pulled into the barrel of the clear tube. The , 30 gradations on the tube allow the physician to immediately know the volume harvested.
Brief Description of the Drawings A detailed description of the invention is hereafter described with specific reference being made to the drawings in which:
FIG. I is a perspective view of the invention;
FIG. 2 is an exploded perspective view showing the drill head;
FIG. 3 is a perspective view demonstrating the harvesting of bone from a S hip;
FIG. 4 is a side elevational view illustrating removal of the drill head to retrieve harvested bone;
FIG. 5 is a side elevational view showing the drill head removed and plunging out the harvested bone;
FIG. 6 is a side elevational view illustrating the drill head assembled;
FIG. 7 is a cross-sectional view taken from line 7-7 in Fig. 6;
FIG. 8 is an exploded perspective view showing an alternate cutting head;
FIG. 9 is a perspective view of an alternative embodiment of the invention;
FIG. 10 shows the device of FIG. 9 attached to a power take-off connection;
FIG. 11 shows the device of FIG. 1 with a threaded distal tube end;
FIG. 12 shows an alternate cutting head; and FIG. 13 shows a cross-section of the cutting head of FIG. 12 taken along lines I3-13.
Description of the Preferred Embodiments The main components of the bone harvester device ZO of the invention are shown in Fig. 1 and include the clear, graduated plastic tube I2, a cutting head 14, a T-handle 16 and a bone extractor plunger 18. As shown in Fig. 2, the attachment between the cutting head 14 and the tube 12 may be by a formed end 20 with lock buttons 22 which engage with an L-slot 26 in the cutting head. The cutting head 14 has a number of cutting edges 30 formed along the cutting slots 32. The number and arrangement of the slots 32 and cutting edges 30 may be varied depending on the size of the harvested bone pieces desired.
A number of gradation marks 24 may be etched or otherwise placed on the plastic tube 12 to show volume of bone harvested. When the surgeon is harvesting bone from the iliac crest 74 as depicted in Fig. 3, the site is exposed via a small incision and a starter trocar may be used to penetrate the outer bone. The device 10 of the invention is then positioned as shown and gently rotated against the bone, causing the cutting edges 30 to create small bone chips which enter the hollow tube via the slots 32. As the tool 10 is used, the harvested bone 40 fills up the clear tube 12, passing each of the gradations 24 until the desired volume is reached. At that point, the tool is withdrawn and the cutting head 14 is removed. A bone extractor plunger I8 is then inserted through the hollow T-handle 16 to eject the harvested bone 40 from the device so it may be used as desired.
IO The cutting head 14 includes cutting edges 30 and slots 32 to carve chips of bone which enter the hollow tube I2. The slot and edge combination sizes the bone chips and prevents the bone from exiting the hollow tube 12 when withdrawn from the harvest site. In Fig. 8) an alternate cutting head 42 is shown in which a centrally located spike 44 is located between two cutting edges 46 and slots 48. It should be recognized that angles of the cutting edges and size of the slots may be varied to select different sized bone chips. A conical cutting head 70 is shown in Figs. 12 and I3, along with threads 72 to mate to a threaded tube I2 as in Fig. 11. Also, the attachment to the hollow tube 12 via lock buttons 22 and L-slots 26 are simply one of many means to attach the cutting head 14 to the tube 12. Fig. I1 shows that attachment may be by a threaded end 34.
In the device 50 of the invention shown in Figs. 9 and 10, the device is strengthened by a reinforcing framework 52 that surrounds the hollow tube 12.
In this embodiment, the framework would typically be formed of stainless steel and would provide the connection to the cutting head at the distal end and to the T-handle or power take-off at the proximal end. As shown, the framework 52 would leave at least two longitudinal slots 54 extending substantially the entire length of the clear tube 12 so the harvested bone could be seen. The device 50 of Figs. 9 and 10 would have greater strength and may be able to harvest bone without the need for a starter trocar. The intimate arrangement of the clear tube 12 against the reinforcing framework 52 increases the torque that may be applied to the cutting head without damage to the device 50. The tube may be formed by a combination of clear plastic and the metal framework such that clear plastic is inset into windows in the metal framework.
Gradations 24 may be placed on the clear tube 12, the framework 52 or both, to show volume of harvested bone 40. Figure 10 shows the device attached to a power drill 60. Any power take-off connection may be used to attach the proximal end to a rotary drill, including Hudson fittings and the like.
In the device shown in Figures 9 and 10, the method of use is similar to that previously described, although a starting trocar may not be needed . In all cases, the cutting head is removed after the bone is harvested and bone is extracted by pushing it out of the clear tube 12 from the proximal to the distal end.
While this invention may be embodied in many different forms, there are shown in the drawings and described in detail herein specific preferred embodiments of the invention. The present disclosure is an exemplification of the principles of the invention and is not intended to limit the invention to the particular embodiments illustrated.
This completes the description of the preferred and alternate embodiments of the invention. Those skilled in the art may recognize other equivalents to the specific embodiment described herein which equivalents are intended to be encompassed by the claims attached hereto.
Claims (7)
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.
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;
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.
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;
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 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.
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 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.
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;
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 instructed 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.
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 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 instructed 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.
Applications Claiming Priority (3)
| 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 | ||
| PCT/US1997/006478 WO1997039685A1 (en) | 1996-04-24 | 1997-04-15 | Graduated bone graft harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2271621A1 true CA2271621A1 (en) | 1997-10-30 |
Family
ID=24554653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002271621A Abandoned CA2271621A1 (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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| US6007496A (en) * | 1996-12-30 | 1999-12-28 | Brannon; James K. | Syringe assembly for harvesting bone |
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| US5954671A (en) | 1998-04-20 | 1999-09-21 | O'neill; Michael J. | Bone harvesting method and apparatus |
| US6395011B1 (en) * | 1998-07-17 | 2002-05-28 | Johnson & Johnson | Method and apparatus for harvesting and implanting bone plugs |
| DE29901723U1 (en) | 1999-02-02 | 2000-06-29 | Synthes Ag | Device for extracting bone chips |
| DE29901724U1 (en) | 1999-02-02 | 2000-06-29 | Synthes Ag | Device with a flexible shaft for the extraction of bone chips |
| ES2235828T3 (en) | 1999-02-03 | 2005-07-16 | Synthes Ag Chur | SURGICAL SCARIATOR. |
| US6416484B1 (en) * | 2000-03-24 | 2002-07-09 | Promex, Inc. | Biopsy extractor |
| US7201722B2 (en) | 2000-04-18 | 2007-04-10 | Allegiance Corporation | Bone biopsy instrument having improved sample retention |
| US6730043B2 (en) | 2000-04-18 | 2004-05-04 | Allegiance Corporation | Bone marrow biopsy needle |
| US6443910B1 (en) | 2000-04-18 | 2002-09-03 | Allegiance Corporation | Bone marrow biopsy needle |
| WO2001078608A2 (en) * | 2000-04-18 | 2001-10-25 | Allegiance Corporation | Bone marrow biopsy needle |
| FR2816824B1 (en) * | 2000-11-23 | 2003-05-23 | Michel Kurc | BONE RECOVERY BIT AND DRILLING DEVICE COMPRISING SUCH A BIT |
| US6746451B2 (en) | 2001-06-01 | 2004-06-08 | Lance M. Middleton | Tissue cavitation device and method |
| ATE489904T1 (en) * | 2001-06-27 | 2010-12-15 | Depuy Products Inc | MINIMAL INVASIVE ORTHOPEDIC DEVICE |
| CA2458753A1 (en) * | 2001-08-27 | 2003-03-06 | The Cleveland Clinic Foundation | Compositions, methods and apparatus for surgical procedures |
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-
1996
- 1996-04-24 US US08/637,127 patent/US5833628A/en not_active Expired - Fee Related
-
1997
- 1997-04-15 EP EP97921251A patent/EP0904014A4/en not_active Withdrawn
- 1997-04-15 WO PCT/US1997/006478 patent/WO1997039685A1/en not_active Application Discontinuation
- 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 KR KR1019980708519A patent/KR20000010620A/en not_active Application Discontinuation
- 1997-04-15 JP JP53819997A patent/JP2001521406A/en not_active Ceased
-
1998
- 1998-09-21 US US09/157,634 patent/US6139509A/en not_active Expired - Fee Related
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|---|---|
| EP0904014A4 (en) | 2000-08-23 |
| JP2001521406A (en) | 2001-11-06 |
| AU2734697A (en) | 1997-11-12 |
| US6139509A (en) | 2000-10-31 |
| EP0904014A1 (en) | 1999-03-31 |
| US5833628A (en) | 1998-11-10 |
| KR20000010620A (en) | 2000-02-25 |
| WO1997039685A1 (en) | 1997-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |