CN102551920A - External compaction molding bone grafting mold - Google Patents
External compaction molding bone grafting mold Download PDFInfo
- Publication number
- CN102551920A CN102551920A CN2012100555171A CN201210055517A CN102551920A CN 102551920 A CN102551920 A CN 102551920A CN 2012100555171 A CN2012100555171 A CN 2012100555171A CN 201210055517 A CN201210055517 A CN 201210055517A CN 102551920 A CN102551920 A CN 102551920A
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- China
- Prior art keywords
- bone
- mold
- chassis
- locating ring
- bone grafting
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Abstract
The invention relates to an external compaction molding bone grafting mold. The external compaction molding bone grafting mold is structurally characterized in that an upper positioning ring is connected onto a base plate via a support, a grid wall encircled by a plurality of upright rods is penetratingly connected between the upper positioning ring and the base plate, and a shaft lever for molding a bone section medullary cavity penetrates through the upper positioning ring to be connected onto the base plate. The thin rods are in inserted connection to form the side grid wall of the mold, the side grid wall can stop ilium particle bone substances on the side surfaces of the mold from leaking outwards, furthermore, the single rods can be detached one by one so as to avoid damaging a sizing bone section in the mold, and completeness of the sizing bone section in a mold detaching process is guaranteed. The external compaction molding bone grafting mold is simple and convenient in operation, rapid in molding, convenient in detachment and high in practicality, a total bone defect treatment process is simplified, treatment time is shortened, surgery frequency of a patient is reduced, suffering degree is decreased, and medical nursing cost is lowered. Accordingly, the external compaction molding bone grafting mold provides a new way for treating bone defect by a self bone grafting method.
Description
Technical field
The present invention relates to the bone shaping mould that a kind of bone grafting is used, specifically a kind of external molding bone grafting mould of suppressing.
Background technology
For the treatment of large segmental bone defect, therapeutic scheme relatively more commonly used at present, the one, get ilium and treat from body bone bone grafting; The 2nd, external fixation prolongs frame and prolongs.The former is prepared into broken osseous granules or bone rod with the ilium that takes off from patient self, treats after internal fixation is accomplished broken osseous granules to be packed to the bony defect place.The problem that exists is, the fiber granulation tissue damaged bone graft area of bone that is prone to grow into is prone to bone grafting and absorbs in the therapeutic process, make operative failure.The latter is that the bone metaphysis in the bone defect cuts bone, external fixation is installed is prolonged frame, by 1 millimeter lengthening rate every day.The problem that exists is, treatment time is generally taken 2-3 years, and need adjust prolongation every day, all brings great inconvenience for patient and family members thereof.
Summary of the invention
The object of the invention just provides a kind of external molding bone grafting mould of suppressing, to solve the many and high problem of expense of the length course of treatment, wound of large segmental bone defect treatment.
The present invention is achieved in that a kind of external molding bone grafting mould of suppressing, and is being connected to locating ring on the chassis through support, and cross-under has the hoarding that is encircled into by some axial bodies of rod between locating ring and the said chassis on said; The axostylus axostyle that molding bone section pulp cavity is used passes the said locating ring of going up and is connected on the said chassis.
The length of the said body of rod so just can make the body of rod upper end that constitutes hoarding pass locating ring, thereby be convenient to the form removal operation greater than the said distance that goes up between locating ring end face to the said undersurface of bottom disc.
The last jack hole of the said body of rod of cross-under is opened on said the edge of ring in the locating ring.
The upper end of said support is fixedly connected on said going up on the locating ring, and the lower end of said support is fixedly connected on the said chassis, forms a kind of fixed mould of going up between locating ring and chassis that is located by connecting of spacing thus.
The upper end of said support is connected said going up on the locating ring through the adjustment nut, and the lower end of said support is fixedly connected on the said chassis, forms a kind of adjustable mould of going up between locating ring and chassis that is located by connecting of spacing thus.
Middle part on said chassis is connected with locating convex block, on said locating convex block, has the screw that connects said axostylus axostyle.Can reduce chassis thickness like this, reduce material cost.
The top of said axostylus axostyle is the square bar body, and the instrument of facilitating the use is pulled down axostylus axostyle.
Be connected to outlet sleeve at said shaft rod upper sleeve, the ilium sclerotin in the hoarding carried out the extrusion forming operation outside the human body to utilize it.
During treatment; To be prepared into the osseous granules of 3 * 3 * 3 millimeters sizes from the ilium sclerotin that the large segmental bone defect patient takes out on one's body; Pack in the mould of the present invention; The biogum that reinjects, and then utilize outlet sleeve to implement the extrusion forming operation, so that being moulded, the ilium sclerotin becomes the tubular bone section suitable basically with patient's bone defect.Form removal operating process is afterwards accomplished in typing, takes off outlet sleeve and axostylus axostyle earlier, again through knocking the top exposed junction of the body of rod of forming the mould hoarding, make its loosening moving down, and then this root body of rod that the lower end is exposed from the bottom surface on chassis is extracted; After removing the most hoarding body of rod, take out the space of typing bone section between last locating ring and chassis that can bone grafting be used, for the usefulness of bone grafting operation operation.
Osseous granules after the injecting glue extrusion forming, is difficult for being separated with the wall of mould owing to the biogum viscosity property in mould very much.If adopt common pressure separation means, will damage typing bone section, make the molding failure; And adopt mould of the present invention form the gusset hoarding of mould by slice body of rod inserting mode; Both satisfy it and stopped the effect of ilium sclerotin in the mould side; Can guarantee the intact of bone section of finalizing the design in the form removal process through dismantling one by one of the single body of rod having been avoided the damage of the typing bone section in the mould again.Key of the present invention just is this.
To pass through operation technique through the typing bone section of the made this rapid shaping of mould of the present invention; Be transplanted to patient's bone defect; Make the bone grafting shape meet the form of patient's bone defect bone, bone grafting becomes closed, and the fiber granulation tissue is difficult for invading; Be not prone to the bone grafting absorbing phenomenon, the corresponding raising of success rate of operation.
The present invention provides a kind of effective apparatus of manipulation in vitro molding for Ilium bone remodeling, and it is easy and simple to handle, and molding is rapid; Form removal is convenient, and is practical, can make the damaged therapeutic process of whole bone simplify; Treatment time shortens, and the corrective surgery number of times reduces, and distress level reduces; The medical treatment and nursing expense reduces, and for using from body bone implantation treatment bone is damaged a new way is provided.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, axostylus axostyle, 2, outlet sleeve, 3, the adjustment nut, 4, go up locating ring, 5, the body of rod, 6, support, 7, the chassis, 8, jack hole down, 9, go up jack hole, 10, locating convex block.
The specific embodiment
As shown in Figure 1, be shaped on a locating convex block 10 at 7 middle parts, discoid chassis, locating convex block 10 can be structure as a whole with chassis 7, on locating convex block 10, has a center screw, in order to the axostylus axostyle 1 that is threaded.Axostylus axostyle 1 is cylindrical straight-bar, and its lower end car is shaped on screw thread, to be fixed in the center screw; Its upper end is shaped on one section square bar body, so that tighten or unscrew with instrument.The cross section of the axostylus axostyle 1 preferably pulp cavity shape with bone grafting bone section is close.
On chassis 7, be welded with 2-4 straight-bar supports 6, be connected to locating ring 4 in the upper end of support 6, locating ring 4 is to be fixedly connected on the support 6 through a pair of adjustment nut 3 that is screwed in every support upper end on this; Also can be welded on the upper end of support 6.On last locating ring 4, the edge of the interior ring in edge has a circle and goes up jack hole 9; The periphery of the locating convex block on chassis 7 has circle jack hole 8 down.Last jack hole 9 is relative with following jack hole 8 upper-lower positions, in order to the cross-under body of rod 5.Distance between the adjacent jack hole should be less than 0.2mm, so that the gap between the adjacent body of rod 5 after the cross-under is less than 0.2mm.The diameter of the body of rod 5 is advisable with 1.8-2.2mm.
The body of rod 5 cross-under constitute the hoarding that surrounds as mould side wall between last locating ring 4 and chassis 7.The length of the body of rod 5 is greater than the distance between locating ring 4 end faces to 7 bottom surfaces, chassis, like this, cross-under on locating ring 4 and the chassis 7 after, the upper end of the body of rod 5 can be exposed one section at the end face of last locating ring 4, so that knock the demoulding downwards.
On axostylus axostyle 1, be socketed with outlet sleeve 2, the profile of outlet sleeve is identical with the shape of the interior ring of last locating ring 4, but undersized, so that the discrepancy of outlet sleeve in the pressurized operation process.
The method for using of mould of the present invention is: according to patient's the damaged degree of bone, confirm the length of bone grafting, again according to this bone grafting length, adjust the height of locating ring 4.Then, insert axostylus axostyle 1, be fixed on the positioning boss 10 on chassis 7.In every pair of relative up and down jack hole, insert a body of rod 5 respectively, to form the sidewall hoarding of mould.After installing, mould is placed on the operating platform; Get bone from patient's ilium again and be prepared into osseous granules; Particulate cancellous bone is placed between the axostylus axostyle 1 and hoarding of mould, behind the injection biogum outlet sleeve 2 covers is received on the axostylus axostyle 1, through suppressing the motion pressurization up and down; Make the compacted gradually molding of granule sclerotin in the mould, the sclerotin in the mould promptly becomes a bone section identical with the dies cavity shape.
During form removal, take off outlet sleeve 2 earlier, unclamp again and unload axostylus axostyle 1; Then, strike going up of the body of rod 5 one by one down and reveal end, make the body of rod 5 loosening, be separated with the bone section; When the upper surface of the body of rod 5 struck to the end face flush of last locating ring 4 after, the lower end of the body of rod 5 can be exposed in 7 bottom surface on the chassis; 7 bottom surface the following dew end of all bodies of rod 5 is clamped respectively and extracted one by one from the chassis with pliers; Unload locating ring 4 from support 6 at last, can obtain one basic quite and have a bone section of pulp cavity with patient's bone defect.
Subsequently this bone section is implanted patient's bone defect, can be reached effective treatment the damaged disease of bone.Because the bone section after moulding again itself has pulp cavity, like this, a bone grafting is the intrusion that closed had both reduced the fiber granulation tissue, and that has reduced place, medullary cavity space again uses the bone amount; The 2nd, intramedullary pin capable of using is fixed when treatment, can from pulp cavity, pass with interior nail, forms center fixation and annular brace; The 3rd, the blood flow in the pulp cavity is unobstructed, to knitting effective nutrition is provided, and has avoided the absorbed situation of bone grafting to take place, and makes the bone grafting treatment more effective.
The present invention can be made into the set of molds of series, though also the mould hoarding to surround shape basic identical or close with the bone form shape of clinical common bone defect so that clinical selecting for use.
Claims (8)
1. the external molding bone grafting mould of suppressing is characterized in that, (7) are gone up and to be connected to locating ring (4) through support (6) on the chassis, and cross-under has the hoarding that is encircled into by some axial bodies of rod (5) between locating ring (4) and said chassis (7) on said; The axostylus axostyle (1) that molding bone section pulp cavity is used passes the said locating ring (4) of going up and is connected on the said chassis (7).
2. according to the described external mould of suppressing of claim l, it is characterized in that the length of the said body of rod (5) is greater than the said distance that goes up between locating ring (4) end face to the bottom surface, said chassis (7).
3. the external mould of suppressing according to claim 1 is characterized in that the last jack hole (9) of the said body of rod of cross-under (5) is opened the edge of ring in the locating ring on said (4).
4. the external mould of suppressing according to claim 1 is characterized in that, the upper end of said support (6) is fixedly connected on said going up on the locating ring (4), and the lower end of said support (6) is fixedly connected on the said chassis (7).
5. the external mould of suppressing according to claim 1 is characterized in that, the upper end of said support (6) is connected said going up on the locating ring (4) through adjustment nut (3), and the lower end of said support (6) is fixedly connected on the said chassis (7).
6. the external mould of suppressing according to claim 1 is characterized in that, is connected with locating convex block (10) at the middle part of said chassis (7), on said locating convex block (10), has the screw that connects said axostylus axostyle (1).
7. the external mould of suppressing according to claim 6 is characterized in that the top of said axostylus axostyle (1) is the square bar body.
8. according to claim 1,2,3,4,5, the 6 or 7 described external moulds of suppressing, it is characterized in that, on said axostylus axostyle (1), be socketed with outlet sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210055517.1A CN102551920B (en) | 2012-03-06 | 2012-03-06 | External compaction molding bone grafting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210055517.1A CN102551920B (en) | 2012-03-06 | 2012-03-06 | External compaction molding bone grafting mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102551920A true CN102551920A (en) | 2012-07-11 |
| CN102551920B CN102551920B (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210055517.1A Expired - Fee Related CN102551920B (en) | 2012-03-06 | 2012-03-06 | External compaction molding bone grafting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102551920B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007380A (en) * | 2017-04-21 | 2017-08-04 | 陈为坚 | A kind of bone depresser and application method |
| CN110215317A (en) * | 2019-06-27 | 2019-09-10 | 陈为坚 | A kind of pressure bone device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5824078A (en) * | 1996-03-11 | 1998-10-20 | The Board Of Trustees Of The University Of Arkansas | Composite allograft, press, and methods |
| CN1290182A (en) * | 1998-02-06 | 2001-04-04 | 骨科技术公司 | Osteoimplant and method for its manufacture |
| US20080188945A1 (en) * | 1999-02-23 | 2008-08-07 | Boyce Todd M | Shaped load-bearing osteoimplant and methods of making same |
| CN201684047U (en) * | 2010-05-28 | 2010-12-29 | 张纯朴 | Continuous pressurizing forming mold for iliac bone reshaping |
| CN102335050A (en) * | 2011-07-22 | 2012-02-01 | 李健 | Bone graft capable of being directly implanted into intervertenral space and production tool thereof |
| CN202515831U (en) * | 2012-03-06 | 2012-11-07 | 张纯朴 | Bone grafting mold pressed and molded outside body |
-
2012
- 2012-03-06 CN CN201210055517.1A patent/CN102551920B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5824078A (en) * | 1996-03-11 | 1998-10-20 | The Board Of Trustees Of The University Of Arkansas | Composite allograft, press, and methods |
| CN1290182A (en) * | 1998-02-06 | 2001-04-04 | 骨科技术公司 | Osteoimplant and method for its manufacture |
| US20080188945A1 (en) * | 1999-02-23 | 2008-08-07 | Boyce Todd M | Shaped load-bearing osteoimplant and methods of making same |
| CN201684047U (en) * | 2010-05-28 | 2010-12-29 | 张纯朴 | Continuous pressurizing forming mold for iliac bone reshaping |
| CN102335050A (en) * | 2011-07-22 | 2012-02-01 | 李健 | Bone graft capable of being directly implanted into intervertenral space and production tool thereof |
| CN202515831U (en) * | 2012-03-06 | 2012-11-07 | 张纯朴 | Bone grafting mold pressed and molded outside body |
Non-Patent Citations (2)
| Title |
|---|
| 杨小彬: "同种异体骨复合带血管自体骨移植修复大段骨缺损的实验研究", 《中国优秀硕士学位论文全文数据库 医药卫生科技辑》 * |
| 谢庆华等: "取髂骨植骨术的并发症及处理", 《中医正骨》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007380A (en) * | 2017-04-21 | 2017-08-04 | 陈为坚 | A kind of bone depresser and application method |
| CN107007380B (en) * | 2017-04-21 | 2019-05-21 | 陈为坚 | A kind of bone depresser and application method |
| CN110215317A (en) * | 2019-06-27 | 2019-09-10 | 陈为坚 | A kind of pressure bone device |
| CN110215317B (en) * | 2019-06-27 | 2021-08-13 | 陈为坚 | Bone pressing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102551920B (en) | 2014-04-30 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140430 |