CN108703792A - Myelocavity file - Google Patents
Myelocavity file Download PDFInfo
- Publication number
- CN108703792A CN108703792A CN201810862308.5A CN201810862308A CN108703792A CN 108703792 A CN108703792 A CN 108703792A CN 201810862308 A CN201810862308 A CN 201810862308A CN 108703792 A CN108703792 A CN 108703792A
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- CN
- China
- Prior art keywords
- file
- hollow channel
- myelocavity
- pipeline section
- head
- 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.)
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Classifications
-
- 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
- A61B17/164—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans intramedullary
-
- 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
- A61B17/1659—Surgical rasps, files, planes, or scrapers
-
- 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
- A61B17/1675—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 knee
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to medical instruments fields, disclose a kind of Myelocavity file.The Myelocavity file includes：Coaxially connected file bar assembly and file head.Wherein, it files the shape of head and is intended to match the shape of fixing end of the prosthese in implantation ossis, filing bar assembly has the first hollow channel, filing head has the second hollow channel, first hollow channel is connected with the second hollow channel, to which during Myelocavity file enters ossis, the sclerotin in ossis can enter under the extruding of file head and be retained in the first hollow channel and the second hollow channel.The Myelocavity file of the present invention can retain sclerotin in use, to efficiently avoid the waste of bone resource.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of Myelocavity file.
Background technology
In human body Bones and joints replacement operation, fixation of the prosthese in pulp cavity is the key that entirely to perform the operation.In fixed fae body
Before, it is necessary to first the medullary substance in pulp cavity be removed, cancellous bone is cut off into molding according to the shape of prosthese, this must just use pulp cavity
File.
Especially in knee joint surface replacement operation, in order to make the form phase of the medullary substance kenel in ossis and prosthese
Match, the Myelocavity file of generally use aerofoil profile handles shin bone pulp cavity, by being built into Myelocavity file to shin bone pulp cavity, makes in shin bone pulp cavity
Sclerotin be squeezed, you can shin bone pulp cavity is cut into the aerofoil profile of corresponding prosthese, is satisfactorily implanted to which prosthese in art be effectively ensured,
To ensure successful surgery.
However although existing Myelocavity file can intercept prosthese aerofoil profile in knee surgery, still remaining cannot retain
The problem of knee joint tibial sclerotin, some sclerotin that can be recycled are wasted during osteotomy, if next needing to plant
Bone operates, then these sclerotin just can not be utilized again.
In view of the deficiencies of the prior art, the highly desirable one kind of seeking of those skilled in the art can be using process
The Myelocavity file of sclerotin in middle reservation ossis, to avoid the waste of bone resource.
Invention content
In order to avoid the waste of bone resource, the present invention proposes a kind of pulp cavity that can retain sclerotin in use
File.
Myelocavity file according to the present invention, including：Coaxially connected file bar assembly and file head, wherein file the shape and desire of head
The shape of fixing end for the prosthese being implanted into ossis is matched, file bar assembly has the first hollow channel, and file head has the
Two hollow channels, the first hollow channel are connected with the second hollow channel, thus during Myelocavity file enters ossis, bone
Sclerotin in pulp cavity can enter under the extruding of file head and be retained in the first hollow channel and the second hollow channel.
Further, file bar assembly includes filing bar and the coaxially connected tail cap in the end of file bar, and file head is connected to file bar
Head end, wherein tail cap includes round platform ontology, and the outer diameter of round platform ontology is more than the outer diameter of file bar.
Further, tail cap further includes the alar part being formed on the periphery wall of round platform ontology.
Further, tail cap is detachably connected with file bar.
Further, file head is detachably connected with file bar.
Further, file bar includes coaxially connected isometrical pipeline section and reducing pipeline section, and tail cap is connected with isometrical pipeline section, files head
Be connected with reducing pipeline section, wherein reducing pipeline section is gradually reduced in the direction top external diameter away from isometrical pipeline section, and reducing pipeline section with
The outer diameter of the connected one end of isometrical pipeline section is more than the outer diameter of isometrical pipeline section.
Further, the ratio range of the length of isometrical pipeline section and the length of reducing pipeline section is 6:1 to 7:1.
Further, Myelocavity file further includes the push rod that can be moved back and forth in the first hollow channel and the second hollow channel
Component, for releasing the sclerotin in the first hollow channel and the second hollow channel respectively after Myelocavity file works.
Further, push-rod assembly includes push rod, is connected to first piston part of one end of push rod, and is connected to push rod
Second piston part of the other end, the first piston part can be contacted with the first hollow channel elastic packing, and the second piston part can be with second
Hollow channel elastic packing contacts.
Further, the end face of the first piston part and the end of the second piston part is plane.
Myelocavity file in compared with the prior art, Myelocavity file of the invention can retain in ossis in use
Sclerotin, to efficiently avoid the waste of bone resource, the sclerotin of the reservation can provide for the bone grafting that may subsequently carry out must
Condition is wanted, to improve the success rate of operation.The Myelocavity file of the present invention is simple in structure, easy to operate, is conducive to be widely popularized
With use.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the front view according to the Myelocavity file of the present invention；
Fig. 2 is the sectional view that Myelocavity file shown in FIG. 1 rotates inward 90 ° along paper；
Fig. 3 is the structural schematic diagram according to the push-rod assembly of the Myelocavity file of the present invention.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be only used as example, and the protection model of the present invention cannot be limited with this
It encloses.
Figures 1 and 2 show that the structural schematic diagram of Myelocavity file 100 according to the present invention.In conjunction with shown in Fig. 1 and Fig. 2, the marrow
Chamber files 100：Coaxially connected file bar assembly 1 and file head 2.Wherein, it files the shape of head 3 and is intended to that the vacation in ossis will be implanted into
The shape of the fixing end of body matches, and there is file bar assembly 1 first hollow channel 14 (as shown in Figure 2), file head 2 to have in second
Empty channel 21, the first hollow channel 14 are connected with the second hollow channel 21, to enter the process of ossis in Myelocavity file 100
In, the sclerotin in ossis can enter under the extruding of file head 2 and be retained in the first hollow channel 14 and the second hollow channel
In 21.
The present invention Myelocavity file 100 when in use, by taking knee joint surface replacement operation as an example, first by the Myelocavity file 100
File head 2 be vertically put on tibial plateau, by tap downwards file bar assembly 1 so that the file bar assembly 1 drive file head 2 enter shin
In bone platform, to squeeze sclerotin therein, due to shape and the fixing end for the knee-joint prosthesis to be implanted into of file head 2
Shape matches, and Myelocavity file 100 is taken out upwards again after file head 2 squeezes sclerotin, you can required sclerotin shape is suppressed,
So as to the implantation of follow-up knee joint plateau prosthese.Meanwhile the sclerotin in pulp cavity is sequentially entered and is protected under the squeezing action of file head 2
It stays in the second hollow channel 21 and the first hollow channel 14, to achieve the purpose that retain sclerotin.When taking out marrow in pulp cavity
When chamber file 100, sclerotin also takes out with Myelocavity file 100 together, to be utilized again in subsequent procedures.
According to the present invention, as shown in Figure 1, file bar assembly 1 includes file bar 11 and the coaxially connected tail in the end of file bar 11
Cap 13, file head 3 are connected to the head end of file bar 11.Wherein, as shown in Fig. 2, tail cap 13 includes round platform ontology 131, round platform ontology 131
Outer diameter be more than file bar 11 outer diameter.Pass through the setting so that tail cap 13 is formed as one and is protruded above in the periphery wall of file bar 11
Round platform (i.e. round platform ontology 131), be mainly used for for operator provide operation Myelocavity file 100 convenience.For example, operator
The round platform ontology 131 can be held to push and pull file bar 11, also can percussion power directly be applied to round platform ontology 131 to make 11 band of file bar
Dynamic file head 2 is pressed into pulp cavity.
Preferably, as shown in Fig. 2, tail cap 13 may also include the alar part 132 being formed on the periphery wall of round platform ontology 131.
The alar part 132 is used to increase the surface area of tail cap 13, on the one hand can be with the holding of personnel easy to operation, on the other hand by the wing
Portion 132 applies positive percussion power and additionally aids the entrance of Myelocavity file 100, and applies reversed percussion power to alar part 132 and additionally aid
The taking-up of Myelocavity file 100.
Preferably, in conjunction with shown in Fig. 1 and Fig. 2, which is the surface plate for the cross section for being parallel to round platform ontology 131,
The Plan view pattern becomes a part for the same periphery only around round platform ontology 131, this is provided with storing more pulp cavitys
Make multiple Myelocavity files 100 by being stored after rotation or superposition when filing 100, to place more pulp cavitys in identical parking space
File 100, to be conducive to the storage and conveying of product.It is further preferred that the alar part 132 can also be formed about round platform ontology
The ring plate of 131 same periphery, this be provided with conducive to operating personnel can in any direction on to ring plate carry out
Force, in order to which Myelocavity file can smoothly enter into or take out.
According to the present invention, tail cap 13 can link together by welding with file bar 11, can also be connected through a screw thread
Mode be attached, by make tail cap 13 be detachably connected to file bar 11 on, can be convenient for tail cap 13 replacement.In addition, file
(such as welding) can be fixedly connected between first 2 and file bar 11, the mode that can also be connected through a screw thread is attached, by making
File head 2 is detachably connected on file bar 11, can be convenient for the replacement of file head 2, to make Myelocavity file 100 be applicable to different vacations
In body replacement operation.
Figures 1 and 2 show that the Myelocavity file 100 used in knee prosthesis replacement operation, file head 2 therein includes solid
The file wing 22 of fixed column ontology 21 and the similar triangle being formed on the periphery wall of fixed column ontology, the shape and knee of the file head 2
The shape of the fixing end of joint platform prosthese is identical, thus after Myelocavity file 100 is taken out ossis, the sclerotin shape in ossis
At the shape of the fixing end of knee joint plateau prosthese, so as to the implantation and fixation of follow-up knee joint plateau prosthese.
Preferably, the shape of file head 2 also can be similar to the shape of the fixing end of the prosthese in ossis to be implanted into, and files head
2 appearance and size can be set to the undersized of the shape of the fixing end than the prosthese in ossis to be implanted into, in this way, prosthese exists
It can be preferably fixed on after implantation ossis by filing in the sclerotin shape that head 2 suppresses.
In preferred embodiment as shown in Figure 1, file bar 11 may include the isometrical pipeline section 111 being coaxially connected and reducer pipe
Section 112, tail cap 13 is connected with isometrical pipeline section 111, and file head 2 is connected with reducing pipeline section 112.Wherein, reducing pipeline section 112 away from etc.
The direction top external diameter of diameter pipeline section 111 is gradually reduced, and the outer diameter of the one end of reducing pipeline section 112 being connected with isometrical pipeline section 111 is big
In the outer diameter of isometrical pipeline section 111.By be arranged reducing pipeline section 112, on the one hand can be improved file bar 11 with file head 2 junction it is rigid
Degree, to avoid Myelocavity file 100 because stress is excessive or it is too quickly due to file bar 11 with file head 2 junction be broken；Another party
Face, by be arranged reducing pipeline section 112 be gradually reduced in the direction top external diameter away from isometrical pipeline section 111, and reducing pipeline section 112 with
The outer diameter of the connected one end of isometrical pipeline section 111 is more than the outer diameter of isometrical pipeline section 111 so that reducing pipeline section 112 with isometrical pipeline section
111 junction forms a step, and when Myelocavity file 100 takes out out of ossis, which, which can assist some are discharged, is located at
Bone bits outside Myelocavity file 100 are retained in avoid extra bone bits in ossis, and since the reducing of reducing pipeline section 112 is set
Meter, the step can't influence Myelocavity file 100 and enter in ossis, contribute to Myelocavity file 100 to the sclerotin in ossis instead
Extruding.
Preferably, the integrally-built stability in order to ensure file bar 11 and enough rigidity, can be by isometrical pipeline section 111
The ratio range of length and the length of reducing pipeline section 112 is arranged 6:1 to 7:Between 1.
In addition, according to the present invention, as shown in figure 3, may also include can be in the first hollow channel 14 and second for Myelocavity file 100
The push-rod assembly 3 moved back and forth in hollow channel 21 is hollow logical for releasing first respectively after Myelocavity file 100 works
Sclerotin in road 14 and the second hollow channel 21.
As shown in figure 3, push-rod assembly 3 may include push rod 31, it is connected to first piston part 32, Yi Jilian of one end of push rod 31
It is connected on the second piston part 33 of the other end of push rod 31, the first piston part 32 can be contacted with 14 elastic packing of the first hollow channel, and
Second piston part 33 can be contacted with 21 elastic packing of the second hollow channel.By the setting, when taking out Myelocavity file out of ossis
After 100, the first piston part 32 can be inserted into the first hollow channel 14, the first piston part 32 can will be in first under the promotion of push rod 31
Sclerotin in empty channel 14 is completely out.And after releasing the sclerotin in the first hollow channel 14, it can be hollow by push rod 31 from first
It is pulled out in channel 14, then turns push rod 31 so that the second piston part 33 is inserted into the second hollow channel 14, and the second piston part 33 is pushing away
It can be completely out by the sclerotin in the second hollow channel 21 under the promotion of bar 31.
Further, the end face of the end of the first piston part 32 and the second piston part 33 is plane.The plane is convenient to operation
Personnel press push rod 31.
It is worth noting that, when the internal diameter of the first hollow channel 14 is identical as the internal diameter of the second hollow channel 21, first
It piston part 32 can be identical with the second piston part 33, it might even be possible to which in one end of push rod 31, one of the two is only set；And when the
It, can be according to the specific size of different hollow channels when the internal diameter difference of the internal diameter of one hollow channel 14 and the second hollow channel 21
Design 32 and second piston part 33 of different types of first piston part.In addition, push-rod assembly 3 can also be torn open that will file head 3 with file bar assembly 1
It is used after unloading, it is hollow logical that first piston part 32 at 3 both ends of push-rod assembly and the second piston part 33 can be taken up in order of priority to insertion first at this time
To release sclerotin in road 14 and the second hollow channel 21.
Myelocavity file in compared with the prior art, Myelocavity file 100 of the invention can retain ossis in use
Interior sclerotin, to efficiently avoid the waste of bone resource, the sclerotin of the reservation can be that the bone grafting that may subsequently carry out carries
For necessary condition, to improve the success rate of operation.The Myelocavity file 100 of the present invention is simple in structure, easy to operate, is conducive to wide
General popularization and use.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
In the description of the present application, it is to be understood that term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indicating or imply relative importance or implicitly indicate the quantity of indicated technical characteristic.In description of the invention
In, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.Especially, as long as there is no knots
Structure conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The present invention does not limit to
In specific embodiment disclosed herein, but include all technical solutions fallen within the scope of the appended claims.
Claims (10)
1. a kind of Myelocavity file, which is characterized in that including：Coaxially connected file bar assembly and file head, wherein the shape of the file head
Be intended to match the shape of fixing end for the prosthese being implanted into ossis, the file bar assembly is with the first hollow channel, institute
Stating file head, there is the second hollow channel, first hollow channel to be connected with second hollow channel, in the marrow
During chamber file enters ossis, sclerotin in ossis can enter under the extruding of the file head and be retained in described the
In one hollow channel and second hollow channel.
2. Myelocavity file according to claim 1, which is characterized in that the file bar assembly includes file bar and coaxially connected in institute
The tail cap of the end of file bar is stated, the file head is connected to the head end of the file bar, wherein the tail cap includes round platform ontology, institute
The outer diameter for stating round platform ontology is more than the outer diameter of the file bar.
3. Myelocavity file according to claim 2, which is characterized in that the tail cap further includes being formed in the round platform ontology
Alar part on periphery wall.
4. Myelocavity file according to claim 2, which is characterized in that the tail cap is detachably connected with the file bar.
5. Myelocavity file according to any one of claim 2 to 4, which is characterized in that the file head and the file bar are removable
Unload connection.
6. Myelocavity file according to any one of claim 2 to 4, which is characterized in that the file bar includes coaxially connected
Isometrical pipeline section and reducing pipeline section, the tail cap are connected with the isometrical pipeline section, and the file head is connected with the reducing pipeline section,
In, the reducing pipeline section is gradually reduced in the direction top external diameter away from the isometrical pipeline section, and the reducing pipeline section with it is described
The outer diameter of the connected one end of isometrical pipeline section is more than the outer diameter of the isometrical pipeline section.
7. Myelocavity file according to claim 6, which is characterized in that the length of the length and reducing pipeline section of the isometrical pipeline section
Ratio range be 6:1 to 7:1.
8. Myelocavity file according to any one of claim 1 to 4, which is characterized in that the Myelocavity file further includes can be
The push-rod assembly moved back and forth in first hollow channel and second hollow channel, for working in the Myelocavity file
After release sclerotin in first hollow channel and second hollow channel respectively.
9. Myelocavity file according to claim 8, which is characterized in that the push-rod assembly includes push rod, is connected to described push away
First piston part of one end of bar, and it is connected to the second piston part of the other end of the push rod, first piston part can be with institute
The contact of the first hollow channel elastic packing is stated, and second piston part can be contacted with the second hollow channel elastic packing.
10. Myelocavity file according to claim 9, which is characterized in that the end of first piston part and second piston part
End face be plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862308.5A CN108703792A (en) | 2018-08-01 | 2018-08-01 | Myelocavity file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862308.5A CN108703792A (en) | 2018-08-01 | 2018-08-01 | Myelocavity file |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108703792A true CN108703792A (en) | 2018-10-26 |
Family
ID=63875516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810862308.5A Pending CN108703792A (en) | 2018-08-01 | 2018-08-01 | Myelocavity file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108703792A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111281477A (en) * | 2020-03-30 | 2020-06-16 | 北京市春立正达医疗器械股份有限公司 | Elbow joint resection instrument |
| CN111938743A (en) * | 2020-07-17 | 2020-11-17 | 天衍医疗器材有限公司 | Tibia osteotomy tool system |
| CN113855151A (en) * | 2021-09-09 | 2021-12-31 | 苏州市康力骨科器械有限公司 | Medullary cavity file of finger joint fusion device |
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| CN202173457U (en) * | 2011-04-15 | 2012-03-28 | 杨新明 | Bone-grafting device for repairing bone defect |
| CN106821485A (en) * | 2017-03-31 | 2017-06-13 | 河南理工大学 | A kind of bone grafting instrument |
| CN107397572A (en) * | 2017-07-26 | 2017-11-28 | 北京市春立正达医疗器械股份有限公司 | Expand marrow reamer |
| CN107624054A (en) * | 2015-05-13 | 2018-01-23 | 史密夫和内修有限公司 | The system prepared for orthopaedics implantation |
| US20180042618A1 (en) * | 2016-08-14 | 2018-02-15 | Greatbatch Ltd. | Cutting head for an intramedullary reamer |
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| US20080195104A1 (en) * | 2007-02-09 | 2008-08-14 | Sidebotham Christopher G | Modular tapered hollow reamer for medical applications |
| CN202173457U (en) * | 2011-04-15 | 2012-03-28 | 杨新明 | Bone-grafting device for repairing bone defect |
| CN107624054A (en) * | 2015-05-13 | 2018-01-23 | 史密夫和内修有限公司 | The system prepared for orthopaedics implantation |
| US20180042618A1 (en) * | 2016-08-14 | 2018-02-15 | Greatbatch Ltd. | Cutting head for an intramedullary reamer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111281477A (en) * | 2020-03-30 | 2020-06-16 | 北京市春立正达医疗器械股份有限公司 | Elbow joint resection instrument |
| CN111938743A (en) * | 2020-07-17 | 2020-11-17 | 天衍医疗器材有限公司 | Tibia osteotomy tool system |
| CN111938743B (en) * | 2020-07-17 | 2021-07-20 | 天衍医疗器材有限公司 | Tibia osteotomy tool system |
| CN113855151A (en) * | 2021-09-09 | 2021-12-31 | 苏州市康力骨科器械有限公司 | Medullary cavity file of finger joint fusion device |
| CN113855151B (en) * | 2021-09-09 | 2024-03-19 | 苏州市康力骨科器械有限公司 | Finger joint fusion device marrow cavity file |
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