CN108498157A - Sled type bone plate pin structure for olecranal fracture - Google Patents
Sled type bone plate pin structure for olecranal fracture Download PDFInfo
- Publication number
- CN108498157A CN108498157A CN201810578878.1A CN201810578878A CN108498157A CN 108498157 A CN108498157 A CN 108498157A CN 201810578878 A CN201810578878 A CN 201810578878A CN 108498157 A CN108498157 A CN 108498157A
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- CN
- China
- Prior art keywords
- sled
- needle
- bending part
- pressurization part
- pressurization
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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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- 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
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or 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
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- 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
- A61B17/809—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with bone-penetrating elements, e.g. blades or prongs
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
Abstract
A kind of sled type bone plate pin structure for olecranal fracture, including：First sled needle, the second sled needle, the first bending part, the second bending part, pressurization part, pressure plate and lock screw；Wherein the first sled needle is connected by the first bending part with pressurization part, second sled needle is connected by the second bending part with pressurization part, pressurization part is U-typed structure, its tail end is circular shape, pressure plate is set in the two-arm of pressurization part, and pressure plate pushes down the two-arm of pressurization part simultaneously, screw hole is arranged on pressure plate, lock screw is passed through from screw hole.The stripping reduced during operation to ligament using the present invention alleviates the pain of patient to the damage smaller of patient, can substantially shorten the convalescence of patient.Using invention also reduces the difficulty of bone reduction, the success rate of operation, more convenient clinical manipulation are improved.
Description
Technical field
The present invention relates to the technical field of orthopedic medical device, specifically a kind of sled type for olecranal fracture
Bone plate pin structure.
Background technology
Proximal ulna rear is located at subcutaneous protrusion and is known as olecroanon, and half a month is constituted with the coronoid process of ulna in front
Incisura, this incisura just form ruler upper arm joint with trochlea humeri, and ruler upper arm joint only has flexion-extension motion.Olecranal fracture refers to wave
And the intra-articular fracture of semilunar notch, olecranal fracture category intra-articular fracture, the reduction of the fracture requires height, and postoperative requirement is early
Carry out functional training.
Generally Kirschner wire and tension band wire is used to be consolidated currently, treating fixing in operation for this olecranal fracture
Fixed, principle is, after olecranal fracture, the effect of the bicipital muscle of arm, triceps and forearm flexor makes to generate pressure in front of olecranon,
Tensile stress then occurs for rear, and Kirschner wire, steel wire can overcome rear tensile stress at this time, and sclerite is made not generate separation, annular herein
Dynamic compression caused by the fixation of steel wire and contraction of muscle acts on, and can promote the healing of fracture.But the prior art is above-mentioned
There is also defects in the application for the fixed structure of Kirschner wire：Since soft tissue is more under steel wire, patient feels tension during operation
The pressure of band is very big, and the postoperative functional recovery training with joint, the soft tissue under steel wire can ischemic necrosis, make tension strip
Silk loosens, and can not continue to play the role of dynamic pressurization, leads to fixed failure, the pain of second operation is also brought for patient.
Invention content
The technical problem to be solved in the present invention is to provide a kind of sled type bone plate pin structures for olecranal fracture.
The present invention is adopted the technical scheme that solve technical problem present in known technology:
The sled type bone plate pin structure for olecranal fracture of the present invention, including：First sled needle, the second sled needle,
First bending part, the second bending part, pressurization part, pressure plate and lock screw；Wherein the first sled needle by the first bending part with
Pressurization part is connected, and the second sled needle is connected by the second bending part with pressurization part, and pressurization part is U-typed structure, tail end
For circular shape, pressure plate is set, and pressure plate pushes down the two-arm of pressurization part simultaneously, is arranged on pressure plate in the two-arm of pressurization part
Screw hole, lock screw are passed through from screw hole.
The present invention can also use following technical measures：
The first sled needle and the second sled needle extends through olecroanon and is inserted respectively into ulna, the first bending part
It is matched with the one end of olecroanon far from ulna with the second bending part, pressurization part is respectively held against olecroanon and ulna, locking
Screw is mutually fixed across pressure plate with ulna.
Guide pinhole is respectively set in the top of the first sled needle and the second sled needle.
The axial direction of the first sled needle and the second sled needle is mutually parallel.
Plane where the first sled needle and the second sled needle between pressurization part at a distance from by pressurization part two-arm and the
One bending part, the second bending part link position to the tail end direction of pressurization part reduce.
First bending part and the second bending part are avenged with respect to the first sled needle and second respectively while longitudinally bending
Longitudinal vertical plane is laterally bent outward where sledge needle.
First sled needle, the second sled needle, the first bending part, the second bending part and the pressurization part is integrally formed knot
Structure.
The invention has the advantages and positive effects that:
In the sled type bone plate pin structure for olecranal fracture of the present invention, the first sled needle and the second sled needle difference
It being inserted into the olecroanon and ulna detached after fracture, the first bending part and the second bending part then limit olecroanon, and
Olecroanon and ulna can be fixedly secured by the pressurization part after lock screw and bone fixation.It is being performed the operation using the present invention
When the stripping that reduces to ligament the pain of patient is alleviated to the damage smaller of patient, can substantially shorten the rehabilitation of patient
Phase.Using invention also reduces the difficulty of bone reduction, the success rate of operation, more convenient clinical manipulation are improved.
Description of the drawings
Fig. 1 is vertical view of the present invention for the sled type bone plate pin structure of olecranal fracture；
Fig. 2 is that the present invention is used for the schematic diagram of the sled type bone plate pin structure of olecranal fracture when in use.
Specific implementation mode
Technical scheme of the present invention is described in detail below by way of the drawings and specific embodiments.
As shown in Figure 1 to Figure 2, the sled type bone plate pin structure for olecranal fracture of the invention, including：First
Sled needle 1, the second sled needle 2, the first bending part 3, the second bending part 4, pressurization part 5, pressure plate 6 and lock screw 7；Wherein
One sled needle is connected by the first bending part with pressurization part, and the second sled needle is connected by the second bending part with pressurization part,
Pressurization part is U-typed structure, and tail end is circular shape, pressure plate is arranged in the two-arm of pressurization part, and pressure plate is pushed down simultaneously
Screw hole is arranged on pressure plate in the two-arm of pressurization part, and lock screw is passed through from screw hole.
First sled needle and the second sled needle extend through olecroanon 9 and are inserted respectively into ulna 10, the first bending
Portion and the second bending part are matched with the one end of olecroanon far from ulna, in order to which the position to olecroanon is defined,
Pressurization part is respectively held against olecroanon and ulna, and lock screw is mutually fixed across pressure plate with ulna, to be by pressurization part
Olecroanon and ulna pressure, the first sled needle 1, the second sled needle 2, the first bending part 3, the second bending part 4, pressurization when use
Portion 5, pressure plate 6 and lock screw 7 form complete whole force application structure, to make uniform force between olecroanon and ulna,
It is not easy.
The top of first sled needle and the second sled needle is respectively set guide pinhole 8, and when use is first packed into positioning in bone and leads
Needle, above-mentioned angularly disposed guide pinhole on sled needle and positioning guide pin cooperation, by guide pinhole by the first sled needle and second
Sled needle is inserted into along positioning guide pin direction in the bone of fracture, further takes out guide pin.
The axial direction of first sled needle and the second sled needle is mutually parallel, to make olecroanon and ruler when pressurization part is pressurizeed
Bone is more uniformly stressed, fixed more firm.
Plane where first sled needle and the second sled needle between pressurization part at a distance from by pressurization part two-arm and the first bending
Portion, the second bending part link position reduce to the tail end direction of pressurization part, pressurization part to be located at pressurization part and the first sled needle,
Olecroanon and ulna between second sled needle generate pressurization trend, and the accurate positioning to ensure fixed position is secured.
Respectively with respect to the first sled needle and the second sled needle institute while first bending part and the second bending part are longitudinally bent
It is laterally bent outward in longitudinal vertical plane, to closely wrap olecroanon, improves the first bending part, the second bending part and ruler
Mechanical property between bone olecranon prevents fracture loosening.Portraitlandscape in the present invention is relative to Fig. 1 and Fig. 2
Shown in situation and say, Fig. 2 is shown as longitudinal bending structure, and shown in Fig. 1 is lateral bending structure.
First sled needle, the second sled needle, the first bending part, the second bending part and pressurization part are an integral molding structure, into
One step improves mechanical property.
The process in use for the sled type bone plate pin structure of olecranal fracture of the present invention is as follows：It will first lead
It is placed on the expected position of operation implantation to set, positioning guide pin is packed into bone along guide sleeve, takes out guide sleeve, recycle hollow
It bores along positioning guide pin reaming；First sled needle and the second sled needle will be inserted into the bone of fracture along positioning guide pin direction
In, take out guide pin；The first sled needle and the second sled needle are squeezed into completely using impactor, the first bending part and the second bending part
It is respectively cooperating with and pushes down olecroanon；Pressure plate is set in pressurization part, and pressure plate pushes down the two-arm of pressurization part；Lock screw passes through
Olecroanon and ulna are fixedly secured by pressure plate.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
The right present invention has been described by way of example and in terms of the preferred embodiments, however, it is not limited to the present invention, any technology people for being familiar with this profession
Member can utilize the technology contents disclosed to make a little change or modification a certainly without departing from the scope of the present invention,
As the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, technology according to the present invention is real
Any simple modification, equivalent change and modification made by confrontation above example, belong in the range of technical solution of the present invention.
Claims (7)
1. a kind of sled type bone plate pin structure for olecranal fracture, which is characterized in that including：First sled needle,
Two sled needles, the first bending part, the second bending part, pressurization part, pressure plate and lock screw；Wherein the first sled needle passes through first
Bending part is connected with pressurization part, and the second sled needle is connected by the second bending part with pressurization part, and pressurization part is U-typed knot
Structure, tail end are circular shape, pressure plate are arranged in the two-arm of pressurization part, and pressure plate pushes down the two-arm of pressurization part simultaneously, adds
Screw hole is set on pressing plate, and lock screw is passed through from screw hole.
2. the sled type bone plate pin structure according to claim 1 for olecranal fracture, it is characterised in that：First
Sled needle and the second sled needle extend through olecroanon and are inserted respectively into ulna, the first bending part and the second bending part with
The one end of olecroanon far from ulna matches, and pressurization part is respectively held against olecroanon and ulna, and lock screw passes through pressure plate
It is mutually fixed with ulna.
3. the sled type bone plate pin structure according to claim 1 or 2 for olecranal fracture, it is characterised in that：
Guide pinhole is respectively set in the top of first sled needle and the second sled needle.
4. the sled type bone plate pin structure according to claim 3 for olecranal fracture, it is characterised in that：First
The axial direction of sled needle and the second sled needle is mutually parallel.
5. the sled type bone plate pin structure according to claim 4 for olecranal fracture, it is characterised in that：First
Plane where sled needle and the second sled needle between pressurization part at a distance from by pressurization part two-arm and the first bending part, the second bending part
Link position to the tail end direction of pressurization part reduce.
6. the sled type bone plate pin structure according to claim 5 for olecranal fracture, it is characterised in that：First
While bending part and the second bending part are longitudinally bent respectively longitudinal direction vertical plane where opposite first sled needle and the second sled needle to
It bends laterally outside.
7. the sled type bone plate pin structure according to claim 1 for olecranal fracture, it is characterised in that：First
Sled needle, the second sled needle, the first bending part, the second bending part and pressurization part are an integral molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578878.1A CN108498157A (en) | 2018-06-07 | 2018-06-07 | Sled type bone plate pin structure for olecranal fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578878.1A CN108498157A (en) | 2018-06-07 | 2018-06-07 | Sled type bone plate pin structure for olecranal fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108498157A true CN108498157A (en) | 2018-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810578878.1A Pending CN108498157A (en) | 2018-06-07 | 2018-06-07 | Sled type bone plate pin structure for olecranal fracture |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116919553A (en) * | 2023-07-31 | 2023-10-24 | 首都医科大学附属北京积水潭医院 | Olecranon fracture fixing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090131937A1 (en) * | 2001-02-12 | 2009-05-21 | Trimed Inc. | Guide system and associated method for installing an implant device adapted to apply compression across a fracture site |
| CN201481539U (en) * | 2009-09-11 | 2010-05-26 | 深圳市宝安区人民医院 | Patella claw nail |
| CN203815558U (en) * | 2014-04-15 | 2014-09-10 | 重庆市中医骨科医院 | Olecranal-fracture hairpin type claw hook |
| CN204181701U (en) * | 2014-10-20 | 2015-03-04 | 中国人民解放军第二军医大学 | The two barb anatomical plate in a kind of nearly joint |
| CN104825217A (en) * | 2015-05-27 | 2015-08-12 | 熊静 | Double-nail-hook metaphysis pressurizing fixing device |
-
2018
- 2018-06-07 CN CN201810578878.1A patent/CN108498157A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090131937A1 (en) * | 2001-02-12 | 2009-05-21 | Trimed Inc. | Guide system and associated method for installing an implant device adapted to apply compression across a fracture site |
| CN201481539U (en) * | 2009-09-11 | 2010-05-26 | 深圳市宝安区人民医院 | Patella claw nail |
| CN203815558U (en) * | 2014-04-15 | 2014-09-10 | 重庆市中医骨科医院 | Olecranal-fracture hairpin type claw hook |
| CN204181701U (en) * | 2014-10-20 | 2015-03-04 | 中国人民解放军第二军医大学 | The two barb anatomical plate in a kind of nearly joint |
| CN104825217A (en) * | 2015-05-27 | 2015-08-12 | 熊静 | Double-nail-hook metaphysis pressurizing fixing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116919553A (en) * | 2023-07-31 | 2023-10-24 | 首都医科大学附属北京积水潭医院 | Olecranon fracture fixing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room B1-04, Rongtong Building, No. 17, 80 Haiyun Street, Binhai New Area Economic and Technological Development Zone, Tianjin, 300457 Applicant after: Chuang Mei De Medical Devices (Tianjin) Co., Ltd. Address before: Room B1-04, Rongtong Building, No. 17, 80 Haiyun Street, Jinnan Economic and Technological Development Zone, Tianjin City, 300457 Applicant before: Chuang Mei De Medical Devices (Tianjin) Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180907 |