CN112168323A - Scapula fracture positioning device - Google Patents
Scapula fracture positioning device Download PDFInfo
- Publication number
- CN112168323A CN112168323A CN202011053755.XA CN202011053755A CN112168323A CN 112168323 A CN112168323 A CN 112168323A CN 202011053755 A CN202011053755 A CN 202011053755A CN 112168323 A CN112168323 A CN 112168323A
- Authority
- CN
- China
- Prior art keywords
- fixing piece
- scapula
- fixing
- positioning device
- hole
- 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.)
- Pending
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8023—Variable length plates adjustable in both directions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8085—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with pliable or malleable elements or having a mesh-like structure, e.g. small strips
Abstract
The invention discloses a scapula fracture positioning device which is of a combined structure and comprises a plurality of fixing pieces, wherein two adjacent fixing pieces are fixedly connected through a fixing piece, and each fixing piece comprises a first fixing piece and a second fixing piece; the stationary blade includes the lamellar body, and the protrusion is formed with the flange in the one end middle part of lamellar body, has seted up first through-hole in the flange, and the inner wall of first through-hole is fixed with the structure ring, and the other end middle part of lamellar body inwards caves in and forms the turn trough, and the second through-hole has been seted up to the both sides board of turn trough, and is fixed with the structure board in one of them second through-hole, and first or second mounting can go out the screw thread and lock in structure ring, structure board gomphosis. The fixing functional piece is formed by combining a plurality of fixing pieces, and the shape and the length of the fixing functional piece can be adjusted according to needs; the single fixing piece can be properly bent according to the shape of the scapula, so that good fit between the fixing piece and the scapula can be guaranteed.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a scapula fracture positioning device.
Background
The scapula is positioned at the outer upper part of the back, has irregular shape and comprises two faces, three corners and three edges, wherein the front face is a subscapular fossa which is a large and shallow fossa; the posterior aspect is provided with an outward and upward bone ridge called as the scapular spine, the superficial fossa above and below the spine called as supraspinatus fossa and infraspinatus fossa respectively, the lateral end of the scapular spine called as the acromion, which is the highest point of the shoulder; the external side corner is hypertrophic, has pear-shaped articular surface, is called as glenoid, and the upper corner and the lower corner are positioned at the upper end and the lower end of the internal side edge; the outer side of the upper edge of the scapula is provided with a scapular notch, and the finger-shaped protrusion on the outer side of the scapular notch is called as a coracoid process because the shape is exactly like a bird's mouth, the inner side edge is long and thin, and is opposite to the spine, the outer side edge is thick and is opposite to the armpit. Scapula fractures can be divided into scapula body fractures, scapula edge fractures, scapula fossa fractures, anatomical neck fractures, surgical neck fractures, acromion fractures, scapula spine fractures and coracoid fractures, and are treated by incision reduction internal fixation in clinic.
The patent specification with publication number CN107049461A discloses an anatomical locking internal fixation system for scapula fracture, which comprises a scapula outer side edge steel plate and a scapula inner side edge steel plate, wherein the scapula outer side edge steel plate comprises a scapula glenoid part and an outer side edge part, the scapula inner side edge steel plate comprises a scapula spine part and an inner side edge part, the outer/inner side edge part of the steel plate is attached to the outer/inner side edge of the scapula of a human body, the scapula spine part is attached to the scapula spine part of the scapula of the human body, and the scapula glenoid part is an arc-shaped steel plate matched with the scapula glenoid part of the human body; the fixing parts of the scapular glenoid part, the outer side edge part, the scapular spine part and the inner side edge part are all provided with a plurality of screw holes.
However, the scapula fracture dissection locking internal fixation system has disadvantages in use, the shape and length of the fixation functional part cannot be adjusted according to needs, and the fixation functional part is not beneficial to being properly bent according to the shape of the scapula, namely good fitting cannot be realized. Therefore, optimization improvements are needed.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a scapula fracture positioning device.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a scapula fracture positioning device is of a combined structure and comprises a plurality of fixing pieces, wherein two adjacent fixing pieces are fixedly connected through a fixing piece, each fixing piece comprises a first fixing piece and a second fixing piece, each fixing piece is provided with a screw rod, the axial length of the screw rod of each first fixing piece is smaller than the thickness of each fixing piece, the axial length of the screw rod of each second fixing piece is larger than the thickness of each fixing piece, and each second fixing piece is screwed into a scapula in which the fixing piece is arranged; the stationary blade includes the lamellar body, the one end middle part protrusion of lamellar body is formed with the flange, set up first through-hole in the flange, the inner wall of first through-hole is fixed with the structure ring, the inside sunken rotary groove that forms in other end middle part of lamellar body, the second through-hole has been seted up to the both sides board of rotary groove, and one of them be fixed with the structure board in the second through-hole, the material intensity of structure ring, structure board is less than the material intensity of first mounting or second mounting, first mounting or second mounting can go out the screw thread and lock in structure ring, structure board gomphosis.
Further, in the scapula fracture positioning device, the outer ends of the two fixing pieces positioned on the outermost side are directly fixed to the scapula by the second fixing piece.
Further, in the scapula fracture positioning device, the outer diameter of the first through hole is equal to the outer diameter of the second through hole.
Furthermore, in the scapula fracture positioning device, the total length of the sheet body in the fixing sheet is 1-3 cm.
Furthermore, in the scapula fracture positioning device, the thickness of the sheet body in the fixing sheet is 2-4mm, and the thickness of the convex plate is 1/2-2/3 of the thickness of the sheet body.
Furthermore, in the scapula fracture positioning device, the fixing piece is made of pure titanium material.
Further, in the scapula fracture positioning device, the first fixing piece and the second fixing piece are made of a Ti6a14V alloy material.
Furthermore, in the scapula fracture positioning device, the structural ring and the structural plate are made of stainless steel materials.
The invention has the beneficial effects that:
the fixing device is reasonable in structural design, on one hand, a plurality of fixing pieces are combined to form a fixing functional piece, and the shape and the length of the fixing functional piece can be adjusted according to needs; on the other hand, the single fixing piece can be properly bent according to the shape of the scapula, so that the good fit between the fixing piece and the scapula can be guaranteed.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a use state of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the fastening sheet of the present invention;
FIG. 4 is a schematic cross-sectional view taken along plane A-A of FIG. 3;
FIG. 5 is a schematic top view of the two fastening sheets of the present invention;
FIG. 6 is a schematic view of the structure of two fixing sheets in the present invention;
in the drawings, the parts are numbered as follows:
1-fixing piece, 101-piece body, 102-convex plate, 103-first through hole, 104-structural ring, 105-rotary groove, 106-second through hole, 107-structural plate, 2-first fixing piece, 3-second fixing piece and 4-scapula.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-6, the present embodiment is a scapula fracture positioning device, which is a combined structure and includes a plurality of fixing pieces 1, two adjacent fixing pieces 1 are fixedly connected by a fixing piece, the fixing piece includes a first fixing piece 2 and a second fixing piece 3 both having a screw, an axial length of the screw of the first fixing piece 2 is smaller than a thickness of the fixing piece 1, an axial length of the screw of the second fixing piece 3 is larger than a thickness of the fixing piece 1, and the second fixing piece 3 is screwed into the scapula 4 where the fixing piece is located. The first fixing piece 2 is used for fixing the positions of two adjacent fixing pieces 1 after the positions of the two adjacent fixing pieces 1 are determined, and the second fixing piece 3 has the function of locking with the scapula 4. The outer ends of the two fixing pieces 1 positioned at the outermost side are directly fixed with the scapula 4 through the second fixing piece 3.
In this embodiment, the fixing sheet 1 includes a sheet body 101, a protruding plate 102 is formed at the middle of one end of the sheet body 101 in a protruding manner, a first through hole 103 is formed in the protruding plate 102, and a structural ring 104 is fixed on the inner wall of the first through hole 103. The middle part of the other end of the sheet body 101 is inwards recessed to form a rotary groove 105, two side plates of the rotary groove 105 are provided with second through holes 106, and a structural plate 107 is fixed in one of the second through holes 106. The structural ring 104 and the structural plate 107 are made of a material having a strength lower than that of the first fixing tool 2 or the second fixing tool 3, and the first fixing tool 2 or the second fixing tool 3 can be screwed into the structural ring 104 and the structural plate 107 to be locked. The outer diameter of the first through hole 103 is equal to the outer diameter of the second through hole 106.
In this embodiment, the total length of the sheet body 101 in the fixing sheet 1 is 1 to 3 cm. The thickness of the sheet body 101 in the fixing sheet 1 is 2-4mm, and the thickness of the convex plate 102 is 1/2-2/3 of the thickness of the sheet body.
In this embodiment, the fixing piece 1 is made of a pure titanium material. The first fixing piece 2 and the second fixing piece 3 are made of Ti6A14V alloy material. The structural ring 104 and the structural plate 107 are made of stainless steel material.
One specific application of this embodiment is: the structure of the embodiment is reasonable in design, on one hand, the fixing functional piece is formed by combining a plurality of fixing pieces 1, and the shape and the length of the fixing functional piece can be adjusted as required; on the other hand, the single fixing piece 1 can be properly bent according to the shape of the scapula, so that good fit between the fixing piece and the scapula can be guaranteed.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A scapula fracture positioning device is characterized in that: the positioning device is of a combined structure and comprises a plurality of fixing pieces, wherein two adjacent fixing pieces are fixedly connected through fixing pieces, each fixing piece comprises a first fixing piece and a second fixing piece, each fixing piece is provided with a screw rod, the axial length of the screw rod of each first fixing piece is smaller than the thickness of the corresponding fixing piece, the axial length of the screw rod of each second fixing piece is larger than the thickness of the corresponding fixing piece, and the second fixing piece is screwed into the scapula in which the fixing pieces are arranged; the stationary blade includes the lamellar body, the one end middle part protrusion of lamellar body is formed with the flange, set up first through-hole in the flange, the inner wall of first through-hole is fixed with the structure ring, the inside sunken rotary groove that forms in other end middle part of lamellar body, the second through-hole has been seted up to the both sides board of rotary groove, and one of them be fixed with the structure board in the second through-hole, the material intensity of structure ring, structure board is less than the material intensity of first mounting or second mounting, first mounting or second mounting can go out the screw thread and lock in structure ring, structure board gomphosis.
2. The scapula fracture positioning device of claim 1, wherein: the outer ends of the two fixing pieces positioned at the outermost side are directly fixed with the scapula through the second fixing piece.
3. The scapula fracture positioning device of claim 1, wherein: the outer diameter of the first through hole is equal to the outer diameter of the second through hole.
4. The scapula fracture positioning device of claim 1, wherein: the total length of the sheet body in the fixing sheet is 1-3 cm.
5. The scapula fracture positioning device of claim 1, wherein: the thickness of the sheet body in the fixing sheet is 2-4mm, and the thickness of the convex plate is 1/2-2/3 of the thickness of the sheet body.
6. The scapula fracture positioning device of claim 1, wherein: the fixing piece is made of pure titanium material.
7. The scapula fracture positioning device of claim 1, wherein: the first fixing piece and the second fixing piece are made of Ti6A14V alloy material.
8. The scapula fracture positioning device of claim 1, wherein: the structural ring and the structural plate are made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053755.XA CN112168323A (en) | 2020-09-29 | 2020-09-29 | Scapula fracture positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053755.XA CN112168323A (en) | 2020-09-29 | 2020-09-29 | Scapula fracture positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112168323A true CN112168323A (en) | 2021-01-05 |
Family
ID=73946383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011053755.XA Pending CN112168323A (en) | 2020-09-29 | 2020-09-29 | Scapula fracture positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112168323A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607967A (en) * | 2011-06-17 | 2014-02-26 | 迈阿密设备解决方案有限责任公司 | Modular bone plate and connector piece for modular bone plate |
| US20150045793A1 (en) * | 2006-04-03 | 2015-02-12 | Ib Medical, Llc | Static Compression Device |
| CN105517501A (en) * | 2013-07-09 | 2016-04-20 | 德普伊新特斯产品公司 | Bone fixation device |
| CN108697447A (en) * | 2016-02-19 | 2018-10-23 | 41医药股份公司 | Device for bone fixation |
| CN111544104A (en) * | 2019-05-15 | 2020-08-18 | 华中科技大学同济医学院附属协和医院 | Mortise and tenon structure splicing type fracture reduction pressurization internal fixation device |
-
2020
- 2020-09-29 CN CN202011053755.XA patent/CN112168323A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150045793A1 (en) * | 2006-04-03 | 2015-02-12 | Ib Medical, Llc | Static Compression Device |
| CN103607967A (en) * | 2011-06-17 | 2014-02-26 | 迈阿密设备解决方案有限责任公司 | Modular bone plate and connector piece for modular bone plate |
| CN105517501A (en) * | 2013-07-09 | 2016-04-20 | 德普伊新特斯产品公司 | Bone fixation device |
| CN108697447A (en) * | 2016-02-19 | 2018-10-23 | 41医药股份公司 | Device for bone fixation |
| CN111544104A (en) * | 2019-05-15 | 2020-08-18 | 华中科技大学同济医学院附属协和医院 | Mortise and tenon structure splicing type fracture reduction pressurization internal fixation device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210105 |
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| RJ01 | Rejection of invention patent application after publication |