CN104095676A - Tibial platform endostyle locking steel plate - Google Patents
Tibial platform endostyle locking steel plate Download PDFInfo
- Publication number
- CN104095676A CN104095676A CN201410363295.9A CN201410363295A CN104095676A CN 104095676 A CN104095676 A CN 104095676A CN 201410363295 A CN201410363295 A CN 201410363295A CN 104095676 A CN104095676 A CN 104095676A
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- Prior art keywords
- steel plate
- several
- plate body
- protuberance
- screwed hole
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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
- A61B17/8052—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
Abstract
The invention discloses a tibial platform endostyle locking steel plate which is arranged in a T-shaped manner. The tibial platform endostyle locking steel plate comprises an elongated steel plate body and an elongated head extending out of one end of the steel plate body, two ends of the head are respectively arranged in a manner of bending inwards, the free end of the steel plate body is circularly arranged, the steel plate body is provided with a plurality of uniformly-arrayed first threaded holes, and the head is provided with a plurality of uniformly-arrayed second threaded holes. The tibial platform endostyle locking steel plate is characterized in that a plurality of first convex portions and a plurality of first concave portions at intervals with the first convex portions are arranged on one side of the steel plate body, a plurality of second convex portions and a plurality of second concave portions at intervals with the second convex portions are arranged on the other side of the steel plate body, the first convex portions are symmetric to the second convex portions relative to the longitudinal axis of the steel plate body, and the first concave portions are symmetric to the second concave portions relative to the longitudinal axis of the steel plate body, both the steel plate body and the head can meet a certain relation, so that stress concentration can be avoided.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of tibial plateau inner prop locking steel plate.
Background technology
Fracture of shafts of tibia and fibula is the most common in Whole Body Bone Scanning compromise.Within 10 years old, following child is particularly common.Wherein maximum with simple fracture of the shaft of tibia, tibia-fibula shaft two-fold is taken second place, and the dry single fracture of fibula is minimum.Tibia is the main skeleton that connects the supporting weight of femur below, and fibula is the important skeleton of attached Calf muscle, and bears 1/6 load-bearing.In tibia, lower 1/3 place is easy to fracture.1/3 displacement fracture on tibia, easily Ya Po popliteal tremulous pulse, causes the necrosis of lower segment leg severe ischemic.In tibia, 1/3 fracture congestion retention, at the bone fascial bursa of shank, increases room pressure and causes ischemic contracture.In tibia, lower 1/3 fracture makes nutrient artery fracture, easily causes fracture delayed union.Fracture of tibia is because direct violence causes mostly, and direct violence is common to be pounded, collide, hits and cause injury for pressing, and fracture line is cross-section or crush type; Sometimes two shanks fracture at same plane, and soft tissue injury is often more serious, easily cause open fracture.Indirect violence is common for eminence falls, run jump sprain or slip due to fracture; Fracture line is often oblique type or screw type, and how tibia and fibula do not fracture at same plane.While treating fracture of tibia in prior art, normally fixation steel plate is placed in to tibia front side, easily, because front soft tissue injury necrosis causes the serious complication such as plate exposure, exterior fixation bracket has increased hole for nailing nursery work and has made troubles to patient.
Therefore, be necessary to provide a kind of tibial plateau inner prop locking steel plate solving the problems of the technologies described above.
Summary of the invention
Technical problem to be solved by this invention is: a kind of tibial plateau inner prop locking steel plate of avoiding stress concentration is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of tibial plateau inner prop locking steel plate, be T-shaped setting, comprise: the strip head that extend the steel plate body of strip and the one end from steel plate body, the inside bending setting respectively of the two ends of described head, the rounded setting of free terminal of described steel plate body, described steel plate body is provided with several the first screwed holes of evenly arranging, described head is provided with several the second screwed holes of evenly arranging, one side of described steel plate body be provided with several the first protuberances and with spaced several the first recesses of the first protuberance, the opposite side of described steel plate body be provided with several the second protuberances and with spaced several the second recesses of the second protuberance, described several the first protuberance and several the second protuberance are symmetrical with respect to the longitudinal axis of steel plate body, described several the first recess and several the second recess are symmetrical with respect to the longitudinal axis of steel plate body, described steel plate body meets:
Relational expression 1:f=a+b;
Relational expression 2:a=b;
Wherein, f: the beeline between the first recess and the second recess, the first recess and the second recess are symmetrical; A: the first protuberance is from the ultimate range of nearest the first screwed hole; B: the second protuberance is from the ultimate range of nearest the first screwed hole;
One side of described head be provided with several the 3rd protuberances and with spaced several the 3rd recesses of the 3rd protuberance, the opposite side of described head be provided with several the 4th protuberances and with spaced several the 4th recesses of the 4th protuberance, described head meet:
Relational expression 1:g=c+d;
Relational expression 2:c=d;
Wherein, g: the beeline between the 3rd recess and the 4th recess, the 3rd recess and the 4th recess are symmetrical; C: the 3rd protuberance is from the ultimate range of nearest the second screwed hole; D: the 4th protuberance is from the ultimate range of nearest the second screwed hole.
Preferably, in above-mentioned tibial plateau inner prop locking steel plate, between the line of centres of described several the second screwed holes and steel plate body longitudinal axis, be 85 ° of angles and arrange.
Preferably, in above-mentioned tibial plateau inner prop locking steel plate, the dual-side undulate of described steel plate body arranges, and the dual-side undulate of described head arranges.
Preferably, in above-mentioned tibial plateau inner prop locking steel plate, described tibial plateau inner prop locking steel plate is made up of pure titanium material.
Preferably, in above-mentioned tibial plateau inner prop locking steel plate, described tibial plateau inner prop locking steel plate is for rebuilding shape steel plate.
Preferably, in above-mentioned tibial plateau inner prop locking steel plate, described tibial plateau inner prop locking steel plate is also provided with several Kirschner wire fixing holes.
Preferably, in above-mentioned tibial plateau inner prop locking steel plate, described the first screwed hole and the second screwed hole are taper thread hole, and the quantity of described the first screwed hole is 8, and the quantity of described the second screwed hole is 4.
Preferably, in above-mentioned tibial plateau inner prop locking steel plate, the total length of described tibial plateau inner prop locking steel plate is 113mm, pitch of holes between the first screwed hole that each first screwed hole is adjacent is 13mm, and the pitch of holes between the second screwed hole that each second screwed hole is adjacent is 9.5mm.
Beneficial effect of the present invention is: the present invention arranges respectively protuberance and recess by the both sides of steel plate body and the both sides of head, thereby be beneficial to the reconstruction of steel plate, meet certain relational expression by the size design of protuberance and recess in addition, thereby avoid stress concentration, by tibial plateau inner prop locking steel plate is designed to T-shaped, thereby can make head play the effect of supporting tibia, more be conducive to fracture patient rehabilitation.
Brief description of the drawings
Fig. 1 is the structural representation of tibial plateau inner prop locking steel plate in the present invention.
Fig. 2 is the sectional structure schematic diagram along the line of A-A shown in Fig. 1.
Fig. 3 is the structural representation of another angle of tibial plateau inner prop locking steel plate in the present invention.
In Fig. 1 to Fig. 3: 1 steel plate body, 10 first screwed holes, 11 first protuberances, 12 first recesses, 13 second protuberances, 14 second recesses, 2 heads, 20 second screwed holes, 21 the 3rd protuberances, 22 the 3rd recesses, 23 the 4th protuberances, 24 the 4th recesses, 3 Kirschner wire fixing holes.
F: the beeline between the first recess and symmetrical the second recess;
A: the first protuberance is from the ultimate range of nearest the first screwed hole;
B: the second protuberance is from the ultimate range of nearest the first screwed hole;
G: the beeline between the 3rd recess and symmetrical the 4th recess;
C: the 3rd protuberance is from the ultimate range of nearest the second screwed hole;
D: the 4th protuberance is from the ultimate range of nearest the second screwed hole.
Detailed description of the invention
In order further to understand the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these are described is for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Shown in ginseng Fig. 1 to Fig. 3, a kind of tibial plateau inner prop locking steel plate, be T-shaped setting, comprise: the strip head 2 that extend the steel plate body 1 of strip and the one end from steel plate body 1, the inside bending setting respectively of the two ends of described head 2, the rounded setting of free terminal of described steel plate body 1, described steel plate body 1 is provided with several the first screwed holes 10 of evenly arranging, described head 2 is provided with several the second screwed holes 20 of evenly arranging, one side of described steel plate body 1 be provided with several the first protuberances 11 and with spaced several the first recesses 12 of the first protuberance 11, the opposite side of described steel plate body 1 be provided with several the second protuberances 13 and with spaced several the second recesses 14 of the second protuberance 13, described several the first protuberance 11 is symmetrical with respect to the longitudinal axis of steel plate body with several the second protuberances 13, described several the first recess 12 is symmetrical with respect to the longitudinal axis of steel plate body with several the second recesses 14, described steel plate body meets:
Relational expression 1:f=a+b;
Relational expression 2:a=b;
Wherein, f: the beeline between the first recess and the second recess, the first recess and the second recess are symmetrical; A: the first protuberance is from the ultimate range of nearest the first screwed hole; B: the second protuberance is from the ultimate range of nearest the first screwed hole; The design of this size relationship formula is mainly for fear of stress concentration, if f is designed to f < a+b, that is in the time that doctor carries out bending reconstruction to steel plate, between the first recess 12 and the second recess 14, be easy to rupture because of stress concentration, same, in the time of a>b, when reconstruction, the second protuberance 13 easily ruptures, otherwise in the time of a<b, when reconstruction, the first protuberance 11 easily ruptures.
One side of described head 2 be provided with several the 3rd protuberances 21 and with spaced several the 3rd recesses 22 of the 3rd protuberance 21, the opposite side of described head 2 be provided with several the 4th protuberances 23 and with spaced several the 4th recesses 24 of the 4th protuberance 23, described head 2 meets:
Relational expression 1:g=c+d;
Relational expression 2:c=d;
Wherein, g: the beeline between the 3rd recess 22 and the 4th recess 24, the 3rd recess 22 and the 4th recess 24 are symmetrical; C: the 3rd protuberance 21 is from the ultimate range of nearest the second screwed hole 20; D: the 4th protuberance 23 is from the ultimate range of nearest the second screwed hole 20.The principle of this size design is the same, is for fear of stress concentration equally.Between the line of centres of described several the second screwed holes 20 and steel plate body longitudinal axis, being 85 ° of angles arranges, the dual-side undulate of described steel plate body 1 arranges, the dual-side undulate of described head 2 arranges, described tibial plateau inner prop locking steel plate is made up of pure titanium material, and described tibial plateau inner prop locking steel plate is for rebuilding shape steel plate.In operation process, due to everyone Skeletal size, all there is some difference, therefore the steel plate of a fixed structure can not be applicable to everyone, therefore need steel plate to there is reconstruction capability, that is to say, when steel plate is installed on after human body, also need, according to everyone concrete skeletal shape, steel plate is carried out to bending fine setting, the corrugated structural design in steel plate body both sides of the present invention and head both sides designs than both sides of the prior art straight line, its bending angle is more prone to control, doctor operates convenient, has greatly improved the reconstruction performance of steel plate.
Described tibial plateau inner prop locking steel plate is also provided with several Kirschner wire fixing holes 3, these several Kirschner wire fixing holes 3 pre-fix for Kirschner wire is installed, if because install time lock screw is directly squeezed in skeleton, once the positional fault of squeezing into, cannot again squeeze into, thereby can cause operative failure, and adopt Kirschner wire to pre-fix lucky this problem that solved.Described the first screwed hole 10 and the second screwed hole 20 are taper thread hole, taper thread be arranged so that lock screw install after be difficult for moving back nail, the quantity of described the first screwed hole 10 is 8, the quantity of described the second screwed hole 20 is 4.The total length of described tibial plateau inner prop locking steel plate is 113mm, and the pitch of holes between the first screwed hole that each first screwed hole is adjacent is 13mm, and the pitch of holes between the second screwed hole that each second screwed hole is adjacent is 9.5mm.
Beneficial effect of the present invention is: the present invention arranges respectively protuberance and recess by the both sides of steel plate body and the both sides of head, thereby be beneficial to the reconstruction of steel plate, meet certain relational expression by the size design of protuberance and recess in addition, thereby avoid stress concentration, by tibial plateau inner prop locking steel plate is designed to T-shaped, thereby can make head play the effect of supporting tibia, more be conducive to fracture patient rehabilitation.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not subject to the restriction of above-mentioned example; that in above-mentioned example and description, describes just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1. a tibial plateau inner prop locking steel plate, be T-shaped setting, comprise: the strip head that extend the steel plate body of strip and the one end from steel plate body, the inside bending setting respectively of the two ends of described head, the rounded setting of free terminal of described steel plate body, described steel plate body is provided with several the first screwed holes of evenly arranging, described head is provided with several the second screwed holes of evenly arranging, it is characterized in that: a side of described steel plate body be provided with several the first protuberances and with spaced several the first recesses of the first protuberance, the opposite side of described steel plate body be provided with several the second protuberances and with spaced several the second recesses of the second protuberance, described several the first protuberance and several the second protuberance are symmetrical with respect to the longitudinal axis of steel plate body, described several the first recess and several the second recess are symmetrical with respect to the longitudinal axis of steel plate body, described steel plate body meets:
Relational expression 1:f=a+b;
Relational expression 2:a=b;
Wherein, f: the beeline between the first recess and the second recess, the first recess and the second recess are symmetrical; A: the first protuberance is from the ultimate range of nearest the first screwed hole; B: the second protuberance is from the ultimate range of nearest the first screwed hole;
One side of described head be provided with several the 3rd protuberances and with spaced several the 3rd recesses of the 3rd protuberance, the opposite side of described head be provided with several the 4th protuberances and with spaced several the 4th recesses of the 4th protuberance, described head meet:
Relational expression 1:g=c+d;
Relational expression 2:c=d;
Wherein, g: the beeline between the 3rd recess and the 4th recess, the 3rd recess and the 4th recess are symmetrical; C: the 3rd protuberance is from the ultimate range of nearest the second screwed hole; D: the 4th protuberance is from the ultimate range of nearest the second screwed hole.
2. a kind of tibial plateau inner prop locking steel plate as claimed in claim 1, is characterized in that: between the line of centres of described several the second screwed holes and steel plate body longitudinal axis, be 85 ° of angles and arrange.
3. a kind of tibial plateau inner prop locking steel plate as claimed in claim 2, is characterized in that: the dual-side undulate of described steel plate body arranges, and the dual-side undulate of described head arranges.
4. a kind of tibial plateau inner prop locking steel plate as described in claim 1 or 2 or 3, is characterized in that: described tibial plateau inner prop locking steel plate is made up of pure titanium material.
5. a kind of tibial plateau inner prop locking steel plate as claimed in claim 4, is characterized in that: described tibial plateau inner prop locking steel plate is for rebuilding shape steel plate.
6. a kind of tibial plateau inner prop locking steel plate as claimed in claim 5, is characterized in that: described tibial plateau inner prop locking steel plate is also provided with several Kirschner wire fixing holes.
7. a kind of tibial plateau inner prop locking steel plate as claimed in claim 6, is characterized in that: described the first screwed hole and the second screwed hole are taper thread hole, and the quantity of described the first screwed hole is 8, and the quantity of described the second screwed hole is 4.
8. a kind of tibial plateau inner prop locking steel plate as claimed in claim 1, it is characterized in that: the total length of described tibial plateau inner prop locking steel plate is 113mm, pitch of holes between the first screwed hole that each first screwed hole is adjacent is 13mm, and the pitch of holes between the second screwed hole that each second screwed hole is adjacent is 9.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363295.9A CN104095676B (en) | 2014-07-28 | 2014-07-28 | A kind of tibial plateau inner prop locking steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363295.9A CN104095676B (en) | 2014-07-28 | 2014-07-28 | A kind of tibial plateau inner prop locking steel plate |
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| Publication Number | Publication Date |
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| CN104095676A true CN104095676A (en) | 2014-10-15 |
| CN104095676B CN104095676B (en) | 2016-06-15 |
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| CN201410363295.9A Active CN104095676B (en) | 2014-07-28 | 2014-07-28 | A kind of tibial plateau inner prop locking steel plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825219A (en) * | 2015-05-03 | 2015-08-12 | 刘乐 | Bone plate for minimally invasive surgery |
| CN104826176A (en) * | 2015-04-24 | 2015-08-12 | 刘乐 | Orthopaedic medical instrument tibial bone plate |
| CN105030318A (en) * | 2015-08-24 | 2015-11-11 | 苏州市康力骨科器械有限公司 | Distal fibular multi-direction locking steel plate |
| US10806496B2 (en) | 2015-11-16 | 2020-10-20 | Oxford University Innovation Limited | Proximal tibial osteotomy system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0241914A2 (en) * | 1986-04-14 | 1987-10-21 | Huta Baildon | T-shaped plate for connecting bone splinters with bone shafts and associated screws |
| US20020032446A1 (en) * | 2000-02-01 | 2002-03-14 | Orbay Jorge L. | Fixation plate system for dorsal wrist fracture fixation |
| CN201365971Y (en) * | 2009-03-05 | 2009-12-23 | 泰州市中兴医械科技有限公司 | Novel embedded bone plate for minimally invasive dissection |
| CN201602868U (en) * | 2010-01-23 | 2010-10-13 | 枣庄矿业集团滕南医院 | Tibial plateau fixing plate |
| CN201710449U (en) * | 2010-06-12 | 2011-01-19 | 张英泽 | Stress dispersion bone plate |
| CN202105013U (en) * | 2011-05-31 | 2012-01-11 | 陈红卫 | L-shaped posterior condylar tibial plateau steel plate |
| WO2012131246A1 (en) * | 2011-03-29 | 2012-10-04 | Neosteo | Plate for osteosynthesis |
| CN203953788U (en) * | 2014-07-28 | 2014-11-26 | 苏州市康力骨科器械有限公司 | A kind of tibial plateau inner prop locking steel plate |
-
2014
- 2014-07-28 CN CN201410363295.9A patent/CN104095676B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0241914A2 (en) * | 1986-04-14 | 1987-10-21 | Huta Baildon | T-shaped plate for connecting bone splinters with bone shafts and associated screws |
| US20020032446A1 (en) * | 2000-02-01 | 2002-03-14 | Orbay Jorge L. | Fixation plate system for dorsal wrist fracture fixation |
| CN201365971Y (en) * | 2009-03-05 | 2009-12-23 | 泰州市中兴医械科技有限公司 | Novel embedded bone plate for minimally invasive dissection |
| CN201602868U (en) * | 2010-01-23 | 2010-10-13 | 枣庄矿业集团滕南医院 | Tibial plateau fixing plate |
| CN201710449U (en) * | 2010-06-12 | 2011-01-19 | 张英泽 | Stress dispersion bone plate |
| WO2012131246A1 (en) * | 2011-03-29 | 2012-10-04 | Neosteo | Plate for osteosynthesis |
| CN202105013U (en) * | 2011-05-31 | 2012-01-11 | 陈红卫 | L-shaped posterior condylar tibial plateau steel plate |
| CN203953788U (en) * | 2014-07-28 | 2014-11-26 | 苏州市康力骨科器械有限公司 | A kind of tibial plateau inner prop locking steel plate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826176A (en) * | 2015-04-24 | 2015-08-12 | 刘乐 | Orthopaedic medical instrument tibial bone plate |
| CN104825219A (en) * | 2015-05-03 | 2015-08-12 | 刘乐 | Bone plate for minimally invasive surgery |
| CN105030318A (en) * | 2015-08-24 | 2015-11-11 | 苏州市康力骨科器械有限公司 | Distal fibular multi-direction locking steel plate |
| US10806496B2 (en) | 2015-11-16 | 2020-10-20 | Oxford University Innovation Limited | Proximal tibial osteotomy system |
Also Published As
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|---|---|
| CN104095676B (en) | 2016-06-15 |
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Address after: 215616 Luyuan West Ring Road (Nanyuan East Road), Tangqiao Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Kangli Orthopedics Instrument Co., Ltd. Address before: 215600 Zhangjiagang, Suzhou, Jiangsu, Jinjiang Fengzhen Patentee before: Suzhou Kangli Orthopedics Instrument Co., Ltd. |