CN113855151A - Medullary cavity file of finger joint fusion device - Google Patents
Medullary cavity file of finger joint fusion device Download PDFInfo
- Publication number
- CN113855151A CN113855151A CN202111054035.XA CN202111054035A CN113855151A CN 113855151 A CN113855151 A CN 113855151A CN 202111054035 A CN202111054035 A CN 202111054035A CN 113855151 A CN113855151 A CN 113855151A
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- China
- Prior art keywords
- file
- file body
- finger joint
- fusion device
- joint fusion
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- 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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- 210000001145 finger joint Anatomy 0.000 title claims abstract description 33
- 230000004927 fusion Effects 0.000 title claims abstract description 27
- 230000036346 tooth eruption Effects 0.000 claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 4
- 210000000988 bone and bone Anatomy 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 206010060820 Joint injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002478 hand joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
Images
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
- A61B17/1659—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
- A61B17/1686—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 hand or wrist
-
- 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
- A61B2017/1602—Mills
Abstract
The invention discloses a medullary cavity file of a finger joint fusion device, which is characterized by comprising a file holder, a first file body, a connecting block, a second file body and a third file body, wherein the first file body is in a quadrangular frustum pyramid shape, the second file body is in a quadrangular frustum pyramid shape, the third file body is in a quadrangular pyramid shape, one end of the connecting block is connected with a first upper bottom surface of the first file body, and the other end of the connecting block is connected with a second lower bottom surface of the second file body; the outer wall surface of the first file body is provided with a plurality of rows of first cutting teeth, a first chip groove is formed between two adjacent rows of first cutting teeth, the outer wall surface of the second file body is provided with a plurality of second cutting teeth, a second chip groove is formed between two adjacent rows of second cutting teeth, and the outer wall surface of the third file body is a plane. The invention has the advantages of simple structure, smooth filing surface, matching of the filed medullary cavity with the prosthesis shape, reduction of excessive physical consumption of doctors in the operation process and reduction of operation difficulty and risk.
Description
Technical Field
The invention belongs to the technical field of orthopedic medical instruments, and particularly relates to a medullary cavity file of a finger joint fusion device.
Background
With the development of new biomedical materials, the improvement of prosthesis design and the improvement of surgical operations, artificial joint replacement has made great progress clinically. For patients with hand joint injury, artificial joint replacement is a better treatment method, the technology can reconstruct the motion function of finger joints, recover the stability of the finger joints and correct the deformity of the finger joints, and the pain of the patients is obviously relieved while the appearance of the finger joints is improved. The artificial joint replacement is to use the microporous layer on the surface of the prosthesis to make bone tissue grow in, or to make the prosthesis tightly embedded into the medullary cavity of the finger bone on both sides of the finger joint through the improvement on the appearance of the prosthesis, so as to achieve the goal of biological fixation. The prior art does not have a medullary cavity file for filing the medullary cavity of the phalanges at both ends of the finger joint with a specific shape.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the medullary cavity file of the finger joint fusion device, which has a simple structure and a smooth filing surface, the filed medullary cavity is matched with the shape of a prosthesis, the excessive physical consumption of a doctor in the operation process is reduced, and the difficulty and risk of the operation are reduced.
In order to achieve the purpose and achieve the technical effect, the invention adopts the following technical scheme:
a pulp cavity file of a finger joint fusion device is characterized by comprising a file holder, a first file body, a connecting block, a second file body and a third file body which are sequentially connected, wherein the first file body is in a quadrangular frustum pyramid shape, the second file body is in a quadrangular frustum pyramid shape, the third file body is in a quadrangular pyramid shape, one end of the connecting block is connected with a first upper bottom surface of the first file body, and the other end of the connecting block is connected with a second lower bottom surface of the second file body; the area of the first upper bottom surface is larger than that of the second lower bottom surface, and the third lower bottom surface of the third file body is connected with the second upper bottom surface of the second file body; the outer wall surface of the first file body is provided with a plurality of rows of first cutting teeth, a first chip groove is formed between two adjacent rows of first cutting teeth, the outer wall surface of the second file body is provided with a plurality of second cutting teeth, a second chip groove is formed between two adjacent rows of second cutting teeth, and the outer wall surface of the third file body is a plane.
In a specific embodiment of the present invention, the first cutting tooth and the second cutting tooth are both in the shape of a first quadrangular frustum pyramid; the volume of the first cutting tooth is gradually reduced from the first lower bottom surface to the first upper bottom surface; the volume of the second cutting tooth is gradually reduced from the first lower bottom surface to the first upper bottom surface.
In a specific embodiment of the present invention, the upper bottom surface and the lower bottom surface of the first quadrangular frustum pyramid are rhombus-shaped.
In a specific embodiment of the present invention, the file holder, the first file body, the connecting block, the second file body and the third file body are integrally connected.
In a specific embodiment of the present invention, the included angle of the vertex of the pyramid of the third file body is 60 °.
In a specific embodiment of the invention, the rasp holder is further connected with a handle.
In a specific embodiment of the invention, the nail cavity file of the finger joint fusion device is made of medical stainless steel.
Before implanting the finger joint prosthesis, using a medullary cavity file of the finger joint fusion device to enlarge medullary cavities of phalanges at two sides of the finger joint, and sequentially and gradually inserting a third file body, a second file body, a connecting block and a first file body into the medullary cavities; the hammer is used for knocking the tail of the medullary cavity file handle of the finger joint fusion device to enable the second cutting teeth and the first cutting teeth on the second file body and the first file body to file the medullary cavity, the medullary cavity file of the finger joint fusion device is not required to be rotated in the process, the medullary cavity file of the finger joint fusion device is directly taken out by using the handle or the medullary cavity file extractor after the completion, partial bone chips are taken out by the first chip containing groove and the second chip containing groove, and after the medullary cavity file of the finger joint fusion device is taken out, the bone chips on the inner side of a medullary cavity channel need to be carefully cleaned.
Compared with the prior art, the invention has the advantages of simple structure, smooth filing surface, matching of the filed pulp cavity in the shape of two connected quadrangular frustum pyramid with the prosthesis shape, reduction of excessive physical consumption of doctors in the operation process and reduction of operation difficulty and risk.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic front view of the present invention.
Fig. 3 is a right-view structural schematic diagram of the present invention.
In the figure: 1-a file seat; 2-a first file body; 3, connecting blocks; 4-the second file body; 5-the third file body; 6-a first upper bottom surface; 7-a second lower bottom surface; 8-a first cutting tooth; 9-a first chip flute; 10-a second cutting tooth; 11-a second chip flute; 12-handle.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, a nail cavity file of a finger joint fusion cage is characterized by comprising a file holder 1, a first file body 2, a connecting block 3, a second file body 4 and a third file body 5 which are connected in sequence, wherein the first file body 2 is in a quadrangular frustum shape, the second file body 4 is in a quadrangular frustum shape, the third file body 5 is in a quadrangular pyramid shape, one end of the connecting block 3 is connected with a first upper bottom surface 6 of the first file body 2, and the other end of the connecting block is connected with a second lower bottom surface 7 of the second file body 4; the area of the first upper bottom surface 6 is larger than that of the second lower bottom surface 7, and the third lower bottom surface of the third file body 5 is connected with the second upper bottom surface of the second file body 4; the outer wall surface of the first file body 2 is provided with a plurality of rows of first cutting teeth 8, a first chip groove 9 is formed between two adjacent rows of first cutting teeth 8, the outer wall surface of the second file body 4 is provided with a plurality of second cutting teeth 10, a second chip groove 11 is formed between two adjacent rows of second cutting teeth 10, and the outer wall surface of the third file body 5 is a plane.
The first cutting tooth 8 and the second cutting tooth 10 are both in a first quadrangular frustum pyramid shape; the volume of the first cutting tooth 8 gradually decreases from the first lower bottom surface to the first upper bottom surface 6; the volume of the second cutting tooth 10 decreases from the first lower bottom surface to the first upper bottom surface 6.
The upper bottom surface and the lower bottom surface of the first quadrangular frustum pyramid shape are rhombic.
The file holder 1, the first file body 2, the connecting block 3, the second file body 4 and the third file body 5 are integrally connected.
The included angle of the vertex of the pyramid of the third file body 5 is 60 °.
The file holder 1 is also connected with a handle 12.
The medullary cavity file of the finger joint fusion device is made of medical stainless steel.
Before implanting the finger joint prosthesis, using a medullary cavity file of the finger joint fusion device to enlarge the medullary cavities of the phalanges at two sides of the finger joint, and sequentially and gradually inserting the third file body 5, the second file body 4, the connecting block 3 and the first file body 2 into the medullary cavities; the hammer is used for knocking the tail part of the nail joint fusion device medullary cavity file handle 12 to enable the second cutting teeth 10 and the first cutting teeth 8 on the second file body 4 and the first file body 2 to file medullary cavities, the nail joint fusion device medullary cavity file is not required to be rotated in the process, the nail joint fusion device medullary cavity file is directly taken out by using the handle 12 or a medullary cavity file extractor after the completion, partial bone fragments are taken out from the first chip groove 9 and the second chip groove 11, and after the nail joint fusion device medullary cavity file is taken out, the bone fragments on the inner side of a medullary cavity channel need to be carefully cleaned.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A pulp cavity file of a finger joint fusion cage is characterized in that: the novel file comprises a file seat, a first file body, a connecting block, a second file body and a third file body which are sequentially connected, wherein the first file body is in a quadrangular frustum pyramid shape, the second file body is in a quadrangular frustum pyramid shape, the third file body is in a quadrangular pyramid shape, one end of the connecting block is connected with a first upper bottom surface of the first file body, and the other end of the connecting block is connected with a second lower bottom surface of the second file body; the area of the first upper bottom surface is larger than that of the second lower bottom surface, and the third lower bottom surface of the third file body is connected with the second upper bottom surface of the second file body; the outer wall surface of the first file body is provided with a plurality of rows of first cutting teeth, a first chip groove is formed between two adjacent rows of first cutting teeth, the outer wall surface of the second file body is provided with a plurality of second cutting teeth, a second chip groove is formed between two adjacent rows of second cutting teeth, and the outer wall surface of the third file body is a plane.
2. The intramedullary canal file of a finger joint fusion device according to claim 1, wherein: the first cutting tooth and the second cutting tooth are both in a first quadrangular frustum pyramid shape; the volume of the first cutting tooth is gradually reduced from the first lower bottom surface to the first upper bottom surface; the volume of the second cutting tooth is gradually reduced from the first lower bottom surface to the first upper bottom surface.
3. The intramedullary canal file of a finger joint fusion device according to claim 2, wherein: the upper bottom surface and the lower bottom surface of the first quadrangular frustum pyramid shape are rhombic.
4. The intramedullary canal file of a finger joint fusion device according to claim 1, wherein: the file holder, the first file body, the connecting block, the second file body and the third file body are integrally connected.
5. The intramedullary canal file of a finger joint fusion device according to claim 1, wherein: the included angle of the vertex of the pyramid of the third file body is 60 degrees.
6. The intramedullary canal file of a finger joint fusion device according to claim 1, wherein: the file holder is also connected with a handle.
7. The intramedullary canal file of a finger joint fusion device according to claim 1, wherein: the medullary cavity file of the finger joint fusion device is made of medical stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054035.XA CN113855151B (en) | 2021-09-09 | 2021-09-09 | Finger joint fusion device marrow cavity file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054035.XA CN113855151B (en) | 2021-09-09 | 2021-09-09 | Finger joint fusion device marrow cavity file |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113855151A true CN113855151A (en) | 2021-12-31 |
| CN113855151B CN113855151B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111054035.XA Active CN113855151B (en) | 2021-09-09 | 2021-09-09 | Finger joint fusion device marrow cavity file |
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| Country | Link |
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| CN (1) | CN113855151B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4955916A (en) * | 1989-05-01 | 1990-09-11 | Techmedica, Inc. | Thumb joint prosthesis |
| US5441501A (en) * | 1994-06-20 | 1995-08-15 | Zimmer, Inc. | Intermedullary rasp with detachable extension end |
| GB2488759A (en) * | 2011-03-01 | 2012-09-12 | Angus Everett Strover | Intramedullar implant for prosthetic limb attachment |
| CN108175542A (en) * | 2017-12-31 | 2018-06-19 | 天津市赛宁生物工程技术有限公司 | A kind of finger joint prosthesis structure |
| CN108703792A (en) * | 2018-08-01 | 2018-10-26 | 北京市春立正达医疗器械股份有限公司 | Myelocavity file |
| CN209347145U (en) * | 2018-11-28 | 2019-09-06 | 陕西四正医疗器械有限责任公司 | Myelocavity file |
| CN111743666A (en) * | 2020-07-08 | 2020-10-09 | 北京中安泰华科技有限公司 | Implanted finger joint prosthesis |
| CN112155646A (en) * | 2020-09-29 | 2021-01-01 | 北京市春立正达医疗器械股份有限公司 | Bone file |
| CN213047150U (en) * | 2020-07-17 | 2021-04-27 | 常州玛斯特精密工具有限公司 | Medullary cavity file convenient to clean |
| CN213525349U (en) * | 2020-09-23 | 2021-06-25 | 经纬医疗器材制造（深圳）有限公司 | Hip joint femoral medullary cavity file |
-
2021
- 2021-09-09 CN CN202111054035.XA patent/CN113855151B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4955916A (en) * | 1989-05-01 | 1990-09-11 | Techmedica, Inc. | Thumb joint prosthesis |
| US5441501A (en) * | 1994-06-20 | 1995-08-15 | Zimmer, Inc. | Intermedullary rasp with detachable extension end |
| GB2488759A (en) * | 2011-03-01 | 2012-09-12 | Angus Everett Strover | Intramedullar implant for prosthetic limb attachment |
| CN108175542A (en) * | 2017-12-31 | 2018-06-19 | 天津市赛宁生物工程技术有限公司 | A kind of finger joint prosthesis structure |
| CN108703792A (en) * | 2018-08-01 | 2018-10-26 | 北京市春立正达医疗器械股份有限公司 | Myelocavity file |
| CN209347145U (en) * | 2018-11-28 | 2019-09-06 | 陕西四正医疗器械有限责任公司 | Myelocavity file |
| CN111743666A (en) * | 2020-07-08 | 2020-10-09 | 北京中安泰华科技有限公司 | Implanted finger joint prosthesis |
| CN213047150U (en) * | 2020-07-17 | 2021-04-27 | 常州玛斯特精密工具有限公司 | Medullary cavity file convenient to clean |
| CN213525349U (en) * | 2020-09-23 | 2021-06-25 | 经纬医疗器材制造（深圳）有限公司 | Hip joint femoral medullary cavity file |
| CN112155646A (en) * | 2020-09-29 | 2021-01-01 | 北京市春立正达医疗器械股份有限公司 | Bone file |
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| Publication number | Publication date |
|---|---|
| CN113855151B (en) | 2024-03-19 |
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