CN105030316A - Multidirectional locking steel plate for proximal humerus - Google Patents
Multidirectional locking steel plate for proximal humerus Download PDFInfo
- Publication number
- CN105030316A CN105030316A CN201510520630.6A CN201510520630A CN105030316A CN 105030316 A CN105030316 A CN 105030316A CN 201510520630 A CN201510520630 A CN 201510520630A CN 105030316 A CN105030316 A CN 105030316A
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- Prior art keywords
- screwed hole
- steel plate
- locking steel
- proximal humerus
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 210000002758 humerus Anatomy 0.000 title claims abstract description 42
- 238000005452 bending Methods 0.000 claims description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 208000010392 Bone Fractures Diseases 0.000 description 9
- 206010017076 Fracture Diseases 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 208000002103 Shoulder Fractures Diseases 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 210000000323 shoulder joint Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a multidirectional locking steel plate for proximal humerus. The multidirectional locking steel plate for the proximal humerus comprises a long-strip-shaped body portion and a head portion which bends and extends from the long-strip-shaped body portion, the long-strip-shaped body portion and the head portion are both provided with multiple threaded holes, the hole wall of each threaded hole is provided with three to six notches, and the notches extend in the axial direction of the threaded holes. According to the multidirectional locking steel plate for the proximal humerus, the notches which extend in the axial direction of the threaded holes are formed in the threaded holes to divide the hole walls of the threaded holes into multiple segments, and a doctor can choose the screwing angle of a fixing screw according to the specific location of a fracture line during an operation; the threaded hole structures can meet the multidirectional screwing requirements of the fixing screw, and when the fixing screw is screwed into one threaded hole, no matter which direction the fixing screw is screwed, an inner thread of one segment of the hole walls is always matched with an outer thread of the fixing screw in a screwing mode.
Description
Technical field
the present invention relates to medical instruments field, particularly relate to the multi-direction locking steel plate of a kind of proximal humerus.
Background technology
shoulder joint is the maximum joint of physical activity scope, proximal humerus is its important component part, proximal humeral fracture is one of more common fracture, account for 4% ~ 5% of whole body fracture, proximal humerus generally comprises four parts: head of humerus, greater tubercle, lesser tubercle and humeral shaft, when the proximal part of humerus is subjected to displacement fracture, the fracture portions adopting steel plate to fix proximal humerus under normal circumstances makes it recover anatomical structure, on the locking steel plate of fixing proximal humerus part, generally several screwed hole is all offered in prior art, by being provided with several hold-down screw thus locking steel plate is fixed in proximal humerus in several screwed hole, in prior art, the defect of locking proximal humerus plate is: the direction of each screwed hole all designs according to predetermined direction, therefore can only install according to the direction of screwed hole when hold-down screw screws in, but in actual operation process, the position of fracture is uncertain often, therefore the locking steel plate of this kind of fixed-direction screwed hole is adopted just to have larger limitation when doing proximal humeral fracture operation.
Summary of the invention
the object of this invention is to provide the multi-direction locking steel plate of a kind of structure proximal humerus simple, easy for installation, thus fixing the various different fracture of proximal humerus can be realized, substantially increase the success rate of operation.
for achieving the above object, the technical solution used in the present invention is: the multi-direction locking steel plate of a kind of proximal humerus, comprise: strip body and the head extended from the bending of strip body, described strip body and head are equipped with several screwed hole, the hole wall of described screwed hole offers 3 ~ 6 otch, described otch threadingly hole axis extend.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, the screw thread in described screwed hole is trapezoidal thread.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, the shape of described otch is arc-shaped.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, the hole wall of described screwed hole offers 4 otch, 4 otch circumferentially arranging in even at screwed hole.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, the side of strip body be provided with several first protuberance and with spaced several first recess of the first protuberance, the opposite side of described strip body be provided with several second protuberance and with spaced several second recess of the second protuberance, described several first protuberance and several second protuberance symmetrical relative to the longitudinal axis of strip body, described several first recess and several second recess symmetrical relative to the longitudinal axis of strip body, described strip body meet:
relational expression 1:f=a+b;
relational expression 2:a=b;
wherein, the distance between the f: the first recess and the second recess, the first recess and the second recess symmetrical; A: the first protuberance is from the distance of nearest screwed hole; B: with the distance of symmetrical the second protuberance of the first protuberance from nearest screwed hole.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, described screwed hole comprises: 6 the head screwed holes being arranged at 4 body screwed holes on strip body and being arranged on head, 4 body screwed holes comprise: first body screwed hole, the second body screwed hole, the 3rd body screwed hole and the 4th body screwed hole, be provided with Kirschner wire fixation hole between described first body screwed hole and the second body screwed hole, between described second body screwed hole and the 3rd body screwed hole, be provided with oval hole of pressurizeing.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, the multi-direction locking steel plate of described proximal humerus is made up of titanium alloy.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, the vertical dimension between the diapire of described strip body and head roof is 19.15mm.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, described head is that curved surface is arranged.
preferably, in the above-mentioned multi-direction locking steel plate of a kind of proximal humerus, the free terminal of described strip body is that wedge is arranged.
due to the utilization of technique scheme, the present invention compared with prior art has following advantages: 1, locking steel plate in the present invention by arranging the axially extended otch in several threadingly holes in screwed hole, thus the hole wall of screwed hole is divided into several sections, during operation, what doctor can select hold-down screw according to the particular location of fracture line is screwed into angle, thread pore structure in the present invention can meet the multi-direction of hold-down screw and be screwed into demand, when hold-down screw is screwed in screwed hole, which no matter twist to direction, the female thread of a sector hole wall is always had to screw mutually with the external screw thread of hold-down screw, all the other a few sector hole walls extrude hold-down screw, thus realize multi-direction locking.2, the present invention is by arranging protuberance and recess in the both sides of strip body, thus is beneficial to the reconstruction of steel plate, and the size design additionally by protuberance and recess meets certain relational expression, thus avoids stress to concentrate.
Accompanying drawing explanation
accompanying drawing 1 is the main TV structure schematic diagram of the multi-direction locking steel plate of proximal humerus in the present invention.
accompanying drawing 2 is the plan structure schematic diagram of the multi-direction locking steel plate of proximal humerus in the present invention.
wherein: 1, strip body, 2, head, 3, screwed hole, 4, otch, 5, head threads hole, 6, first body screwed hole, 7, the second body screwed hole, the 8, the 3rd body screwed hole, the 9, the 4th body screwed hole, 10, Kirschner wire fixation hole, 11, oval pressurization hole, 12, diapire, 13, roof, the 14, first protuberance, the 15, first recess, 16, the second protuberance, the 17, second recess;
distance between f: the first recess and symmetrical second recess;
a: the first protuberance is from the distance of nearest screwed hole;
b: with the distance of symmetrical the second protuberance of the first protuberance from nearest screwed hole.
Detailed description of the invention
below in conjunction with accompanying drawing, technical scheme of the present invention is further elaborated.
shown in ginseng Fig. 1 and Fig. 2, the multi-direction locking steel plate of a kind of proximal humerus, comprising: strip body 1 and the head 2 extended from strip body 1 bending, and the free terminal of described strip body 1 is that wedge is arranged.Described head 2 is arranged in curved surface.Described strip body 1 and head 2 are equipped with several screwed hole 3, the hole wall of described screwed hole 3 offer 3 ~ 6 otch evenly arranged, and the axis in described otch threadingly hole extends.Hole wall is divided into several sections by otch, during operation, what doctor can select hold-down screw according to the particular location of fracture line is screwed into angle, thread pore structure in the present invention can meet the multi-direction of hold-down screw and be screwed into demand, when hold-down screw is screwed in screwed hole 3, no matter twist to which direction, always have the female thread of a sector hole wall to screw mutually with the external screw thread of hold-down screw, all the other a few sector hole walls extrude hold-down screw, thus realize multi-direction locking.The quantity of described otch can not be too many, can not very little, and otch quantity is too many, and every sector hole wall is just narrow, will be inadequate with the power that screws of hold-down screw, if otch quantity is very few, cannot make again the multi-direction installation of hold-down screw.Screw thread in described screwed hole 3 is trapezoidal thread, thus greatly can improve coupling mechanism force, in the present embodiment, the hole wall of described screwed hole 3 offers 4 otch 4, 4 otch 4 circumferentially arranging in even at screwed hole 3, the shape of described otch 4 is arc-shaped, add and adopt man-hour drill bit to get out, certainly in other embodiments, the shape of otch 4 also can be rectangle, rectangular slits adds man-hour requirement milling cutter and mills out, described screwed hole 3 comprises: 6 the head screwed holes 5 being arranged at 4 body screwed holes on strip body 1 and being arranged on head 2, 4 body screwed holes comprise: first body screwed hole 6, second body screwed hole 7, 3rd body screwed hole 8 and the 4th body screwed hole 9, Kirschner wire fixation hole 10 is provided with between described first body screwed hole 6 and the second body screwed hole 7, oval hole 11 of pressurizeing is provided with between described second body screwed hole 7 and the 3rd body screwed hole 8.The multi-direction locking steel plate of described proximal humerus is made up of titanium alloy.Vertical dimension between the diapire 12 of described strip body 1 and head roof 13 is 19.15mm.
the side of described strip body 1 be provided with several first protuberance 14 and with spaced several first recess 15 of the first protuberance 14, the opposite side of described strip body 1 be provided with several second protuberance 16 and with spaced several second recess 17 of the second protuberance 16, described several first protuberance 14 is symmetrical relative to the longitudinal axis of strip body 1 with several second protuberance 16, described several first recess 15 is symmetrical relative to the longitudinal axis of strip body 1 with several second recess 17, and described strip body 1 meets:
relational expression 1:f=a+b;
relational expression 2:a=b;
wherein, the distance between the f: the first recess 15 and the second recess 17, the first recess 15 and the second recess 17 symmetrical; A: the first protuberance 14 is from the distance of nearest screwed hole; B: with the distance of symmetrical the second protuberance 16 of the first protuberance 14 from nearest screwed hole.In operation process, due to everyone Skeletal size, all there is some difference, therefore the steel plate of one piece of fixed structure can not be applicable to everyone, therefore steel plate is needed to have reconstruction capability, that is, after steel plate is installed on human body, also need to carry out bending fine setting according to everyone concrete skeletal shape to steel plate, in the present invention, the design of strip body both sides protuberance and recess is compared to both sides of the prior art linear design, its bending angle is more prone to control, doctor operates convenient, substantially increase the reconstruction performance of steel plate, size design additionally by protuberance and recess meets certain relational expression, stress can be avoided to concentrate.
in sum, locking steel plate in the present invention by arranging the axially extended otch in several threadingly holes in screwed hole, thus the hole wall of screwed hole is divided into several sections, during operation, what doctor can select hold-down screw according to the particular location of fracture line is screwed into angle, thread pore structure in the present invention can meet the multi-direction of hold-down screw and be screwed into demand, when hold-down screw is screwed in screwed hole, which no matter twist to direction, the female thread of a sector hole wall is always had to screw mutually with the external screw thread of hold-down screw, all the other a few sector hole walls extrude hold-down screw, thus realize multi-direction locking.
above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to spirit of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (10)
1. the multi-direction locking steel plate of proximal humerus, comprise: strip body and the head extended from the bending of strip body, it is characterized in that: described strip body and head are equipped with several screwed hole, the hole wall of described screwed hole offers 3 ~ 6 otch, described otch threadingly hole axis extend.
2. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1, is characterized in that: the screw thread in described screwed hole is trapezoidal thread.
3. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1, is characterized in that: the shape of described otch is arc-shaped.
4. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1, is characterized in that: the hole wall of described screwed hole offers 4 otch, 4 otch circumferentially arranging in even at screwed hole.
5. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1 or 2 or 3, it is characterized in that: the side of strip body be provided with several first protuberance and with spaced several first recess of the first protuberance, the opposite side of described strip body be provided with several second protuberance and with spaced several second recess of the second protuberance, described several first protuberance and several second protuberance symmetrical relative to the longitudinal axis of strip body, described several first recess and several second recess symmetrical relative to the longitudinal axis of strip body, described strip body meets:
Relational expression 1:f=a+b;
Relational expression 2:a=b;
Wherein, the distance between the f: the first recess and the second recess, the first recess and the second recess symmetrical; A: the first protuberance is from the distance of nearest screwed hole; B: with the distance of symmetrical the second protuberance of the first protuberance from nearest screwed hole.
6. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1, it is characterized in that: described screwed hole comprises: 6 the head screwed holes being arranged at 4 body screwed holes on strip body and being arranged on head, 4 body screwed holes comprise: first body screwed hole, second body screwed hole, 3rd body screwed hole and the 4th body screwed hole, Kirschner wire fixation hole is provided with between described first body screwed hole and the second body screwed hole, oval hole of pressurizeing is provided with between described second body screwed hole and the 3rd body screwed hole.
7. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1, is characterized in that: the multi-direction locking steel plate of described proximal humerus is made up of titanium alloy.
8. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1, is characterized in that: the vertical dimension between the diapire of described strip body and head roof is 19.15mm.
9. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1, is characterized in that: described head is that curved surface is arranged.
10. the multi-direction locking steel plate of a kind of proximal humerus according to claim 1, is characterized in that: the free terminal of described strip body is that wedge is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520630.6A CN105030316A (en) | 2015-08-24 | 2015-08-24 | Multidirectional locking steel plate for proximal humerus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520630.6A CN105030316A (en) | 2015-08-24 | 2015-08-24 | Multidirectional locking steel plate for proximal humerus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105030316A true CN105030316A (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510520630.6A Pending CN105030316A (en) | 2015-08-24 | 2015-08-24 | Multidirectional locking steel plate for proximal humerus |
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| Country | Link |
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| CN (1) | CN105030316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037787A (en) * | 2018-01-15 | 2019-07-23 | 上海市第五人民医院 | The fixed device of improved proximal humerus and its application method |
| CN115844508A (en) * | 2023-02-22 | 2023-03-28 | 首都医科大学附属北京同仁医院 | Anatomical locking steel plate for minimally invasive treatment of humeral fracture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527684A (en) * | 2001-05-28 | 2004-09-08 | �����ɷ� | Bone plate for the fixation of fractures of the proximal humerus |
| CN1864644A (en) * | 2005-03-11 | 2006-11-22 | 正射影像修复国际公司 | Device for the osteosynthesis of proximal humerus fractures |
| DE102005042766A1 (en) * | 2005-07-13 | 2007-01-25 | Königsee Implantate und Instrumente zur Osteosynthese GmbH | Screw connection for bone plate in particular used for osteosynthesis, comprises specifically shaped central bore for flexible use with different screw heads |
| CN201888843U (en) * | 2010-11-18 | 2011-07-06 | 上海市第六人民医院 | Full-length humerus anatomical type locking plate |
| CN201920886U (en) * | 2010-12-24 | 2011-08-10 | 常州市康辉医疗器械有限公司 | Bone fracture plate for locking and pressurizing near end of shoulder bone |
| CN103889350A (en) * | 2011-10-14 | 2014-06-25 | 柯尼希塞植入物有限公司 | Bone plate |
| CN104083201A (en) * | 2014-07-28 | 2014-10-08 | 苏州市康力骨科器械有限公司 | Distal radius supporting and locking steel plate |
| CN104083203A (en) * | 2014-07-28 | 2014-10-08 | 苏州市康力骨科器械有限公司 | Capitulum radii locking steel plate |
| CN204890154U (en) * | 2015-08-24 | 2015-12-23 | 苏州市康力骨科器械有限公司 | Multi -direction locking plate of upper arm bone near -end |
-
2015
- 2015-08-24 CN CN201510520630.6A patent/CN105030316A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527684A (en) * | 2001-05-28 | 2004-09-08 | �����ɷ� | Bone plate for the fixation of fractures of the proximal humerus |
| CN1864644A (en) * | 2005-03-11 | 2006-11-22 | 正射影像修复国际公司 | Device for the osteosynthesis of proximal humerus fractures |
| DE102005042766A1 (en) * | 2005-07-13 | 2007-01-25 | Königsee Implantate und Instrumente zur Osteosynthese GmbH | Screw connection for bone plate in particular used for osteosynthesis, comprises specifically shaped central bore for flexible use with different screw heads |
| CN201888843U (en) * | 2010-11-18 | 2011-07-06 | 上海市第六人民医院 | Full-length humerus anatomical type locking plate |
| CN201920886U (en) * | 2010-12-24 | 2011-08-10 | 常州市康辉医疗器械有限公司 | Bone fracture plate for locking and pressurizing near end of shoulder bone |
| CN103889350A (en) * | 2011-10-14 | 2014-06-25 | 柯尼希塞植入物有限公司 | Bone plate |
| CN104083201A (en) * | 2014-07-28 | 2014-10-08 | 苏州市康力骨科器械有限公司 | Distal radius supporting and locking steel plate |
| CN104083203A (en) * | 2014-07-28 | 2014-10-08 | 苏州市康力骨科器械有限公司 | Capitulum radii locking steel plate |
| CN204890154U (en) * | 2015-08-24 | 2015-12-23 | 苏州市康力骨科器械有限公司 | Multi -direction locking plate of upper arm bone near -end |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037787A (en) * | 2018-01-15 | 2019-07-23 | 上海市第五人民医院 | The fixed device of improved proximal humerus and its application method |
| CN115844508A (en) * | 2023-02-22 | 2023-03-28 | 首都医科大学附属北京同仁医院 | Anatomical locking steel plate for minimally invasive treatment of humeral fracture |
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Application publication date: 20151111 |