CN204863442U - Key multi -direction locking plate of fingers and palms bone - Google Patents
Key multi -direction locking plate of fingers and palms bone Download PDFInfo
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- CN204863442U CN204863442U CN201520642716.1U CN201520642716U CN204863442U CN 204863442 U CN204863442 U CN 204863442U CN 201520642716 U CN201520642716 U CN 201520642716U CN 204863442 U CN204863442 U CN 204863442U
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Abstract
(B, ) the utility model discloses a key multi -direction locking plate of fingers and palms bone includes: main part, first head and second head, first head is equipped with first convex part, second convex part and third convex part, first convex part is equipped with first screw hole, the second convex part is equipped with the second screw hole, the third convex part is equipped with the third screw hole, first screw hole, second screw hole and third screw hole are triangle -shaped and arrange, the central authorities of first screw hole, second screw hole and third screw hole are equipped with first ke shi nail fixing hole, the second head is equipped with fourth convex part, the 5th convex part and the 6th convex part, the fourth convex part is equipped with the fourth screw hole, the 5th convex part is equipped with the 5th screw hole, the 6th convex part is equipped with the pressurization hole, be equipped with second ke shi nail fixing hole between fourth screw hole and the 5th screw hole, has all offered 3-6 incisions on the pore wall of five above -mentioned screw holes, the incision is along the axial extension of screw hole, (b) (b) thus can realize multi -direction locking. (B, )
Description
Technical field
this utility model relates to medical instruments field, particularly relates to the key multi-direction locking steel plate of a kind of fingers and palms bone.
Background technology
refer to that metacarpal fracture is classification of fracture common in hand injury, surgical menopause treatment can recover it and well dissects para-position and promote its early ambulant, recovers the function of hands.Refer to Chinese patent and announce No. 202568423 patent, there is disclosed a kind of fingers and palms bone fracture fixation locking steel plate, be made up of steel plate main body and the arciform ear that is arranged at steel plate main body two ends, the top and bottom of arciform ear are all linearly, described steel plate main body and arciform ear are equipped with several screwed hole, the defect of the locking steel plate of this kind of structure is: 1, 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, and the top and bottom of the arciform ear of locking steel plate are all linearly in prior art, bending angle is not easy to control, the operation technique difficulty of doctor is larger, 2, in prior art, the direction of each screwed hole of locking steel plate 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 adopts the locking steel plate of this kind of fixed-direction screwed hole just to have larger limitation when doing the operation of fingers and palms bone metaphysis.
Utility model content
the purpose of this utility model is to provide the key multi-direction locking steel plate of a kind of structure fingers and palms bone simple, easy for installation, thus can realize fixing the key various different fracture of fingers and palms bone, substantially increases the success rate of operation.
for achieving the above object, the technical solution adopted in the utility model is: the key multi-direction locking steel plate of a kind of fingers and palms bone, comprise: main part, be arranged at first head of main part one end and be arranged at the second head of the main part other end, described first head is provided with the first protuberance, second protuberance and the 3rd protuberance, described first protuberance is provided with the first screwed hole, described second protuberance is provided with the second screwed hole, described 3rd protuberance is provided with the 3rd screwed hole, described first screwed hole, second screwed hole and the arrangement triangular in shape of the 3rd screwed hole, described first screwed hole, the central authorities of the second screwed hole and the 3rd screwed hole are provided with the first kirschner nail fixing hole, described second head is provided with the 4th protuberance, 5th protuberance and the 6th protuberance, described 4th protuberance is provided with the 4th screwed hole, described 5th protuberance is provided with the 5th screwed hole, described 6th protuberance is provided with pressurization hole, be provided with the second kirschner between described 4th screwed hole and the 5th screwed hole and follow closely fixing hole, the hole wall of above-mentioned five screwed holes all offers 3 ~ 6 otch, described otch threadingly hole axis extend.
preferably, in the key multi-direction locking steel plate of above-mentioned a kind of fingers and palms bone, the shape of described otch is arc-shaped.
preferably, in the key multi-direction locking steel plate of above-mentioned a kind of fingers and palms bone, the screw thread in five screwed holes is trapezoidal thread.
preferably, in the key multi-direction locking steel plate of above-mentioned a kind of fingers and palms bone, the key multi-direction locking steel plate of described fingers and palms bone is made up of titanium alloy.
preferably, in the key multi-direction locking steel plate of above-mentioned a kind of fingers and palms bone, the thickness of the key multi-direction locking steel plate of described fingers and palms bone is 1.58mm.
preferably, in the key multi-direction locking steel plate of above-mentioned a kind of fingers and palms bone, described pressurization hole is oval pressurization hole.
preferably, in the key multi-direction locking steel plate of above-mentioned a kind of fingers and palms bone, the curved setting of cross section of the key multi-direction locking steel plate of described fingers and palms bone.
preferably, in the key multi-direction locking steel plate of above-mentioned a kind of fingers and palms bone, the hole wall of five screwed holes all offers 4 otch, 4 otch circumferentially arranging in even at hole wall.
due to the utilization of technique scheme, this utility model compared with prior art has following advantages: 1, locking steel plate in this utility model 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 this utility model 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, in this utility model, the outline of locking steel plate first head and the second head is concave-convex type, but not linear type of the prior art, therefore be conducive to the reconstruction of steel plate, during surgical, steel plate bending angle is more prone to control, and substantially increases the success rate of operation.
Accompanying drawing explanation
accompanying drawing 1 is the main TV structure schematic diagram of the key multi-direction locking steel plate of this utility model long finger metacarpals.
accompanying drawing 2 is the plan structure schematic diagram of the key multi-direction locking steel plate of this utility model long finger metacarpals.
wherein: 1, main part, the 2, first head, the 3, second head, 4, the first protuberance, the 5, second protuberance, the 6, the 3rd protuberance, 7, the first screwed hole, the 8, second screwed hole, the 9, the 3rd screwed hole, 10, the first kirschner nail fixing hole, the 11, the 4th protuberance, the 12, the 5th protuberance, 13, the 6th protuberance, the 14, the 4th screwed hole, the 15, the 5th screwed hole, 16, to pressurize hole, the 17, second kirschner nail fixing hole, 18, otch.
Detailed description of the invention
below in conjunction with accompanying drawing, the technical solution of the utility model is further elaborated.
shown in ginseng Fig. 1 and Fig. 2, the key multi-direction locking steel plate of a kind of fingers and palms bone, the titanium alloy material thick by 1.58mm is made, comprise: main part 1, be arranged at first head 2 of main part 1 one end and be arranged at the second head 3 of main part 1 other end, described first head 2 is provided with the first protuberance 4, second protuberance 5 and the 3rd protuberance 6, described first protuberance 4 is provided with the first screwed hole 7, described second protuberance 5 is provided with the second screwed hole 8, described 3rd protuberance 6 is provided with the 3rd screwed hole 9, described first screwed hole 7, second screwed hole 8 and the arrangement triangular in shape of the 3rd screwed hole 9, described first screwed hole 7, the central authorities of the second screwed hole 8 and the 3rd screwed hole 9 are provided with the first kirschner nail fixing hole 10, described second head 3 is provided with the 4th protuberance 11, 5th protuberance 12 and the 6th protuberance 13, described 4th protuberance 11 is provided with the 4th screwed hole 14, described 5th protuberance 12 is provided with the 5th screwed hole 15, described 6th protuberance 13 is provided with oval pressurization hole 16, be provided with the second kirschner between described 4th screwed hole 14 and the 5th screwed hole 15 and follow closely fixing hole 17, described first head 2 and the second head more than 3 protuberance be provided with the reconstruction being beneficial to steel plate, during surgical, steel plate bending angle is more prone to control, substantially increase the success rate of operation.The hole wall of above-mentioned five screwed holes all offers 3 ~ 6 otch, described otch threadingly hole axis extend.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 this utility model can meet the multi-direction of hold-down screw and be screwed into demand, when hold-down screw is screwed in screwed hole, 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 each screwed hole is trapezoidal thread, thus greatly can improve coupling mechanism force, in the present embodiment, the hole wall of each screwed hole all offers 4 otch 18,4 otch 18 circumferentially arranging in even at hole wall, the shape of described otch 18 is arc-shaped, add and adopt man-hour drill bit to get out, certainly in other embodiments, the shape of otch 18 also can be rectangle, rectangular slits adds man-hour requirement milling cutter and mills out, and the curved setting of cross section of the key multi-direction locking steel plate of described fingers and palms bone, fits when therefore coordinating with fingers and palms bone more.
in sum, locking steel plate in this utility model 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 this utility model 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 utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to this utility model spirit change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (8)
1. the key multi-direction locking steel plate of fingers and palms bone, it is characterized in that, comprise: main part, be arranged at first head of main part one end and be arranged at the second head of the main part other end, described first head is provided with the first protuberance, second protuberance and the 3rd protuberance, described first protuberance is provided with the first screwed hole, described second protuberance is provided with the second screwed hole, described 3rd protuberance is provided with the 3rd screwed hole, described first screwed hole, second screwed hole and the arrangement triangular in shape of the 3rd screwed hole, described first screwed hole, the central authorities of the second screwed hole and the 3rd screwed hole are provided with the first kirschner nail fixing hole, described second head is provided with the 4th protuberance, 5th protuberance and the 6th protuberance, described 4th protuberance is provided with the 4th screwed hole, described 5th protuberance is provided with the 5th screwed hole, described 6th protuberance is provided with pressurization hole, be provided with the second kirschner between described 4th screwed hole and the 5th screwed hole and follow closely fixing hole, the hole wall of above-mentioned five screwed holes all offers 3 ~ 6 otch, described otch threadingly hole axis extend.
2. the key multi-direction locking steel plate of a kind of fingers and palms bone according to claim 1, is characterized in that: the shape of described otch is arc-shaped.
3. the key multi-direction locking steel plate of a kind of fingers and palms bone according to claim 1, is characterized in that: the screw thread in five screwed holes is trapezoidal thread.
4. the key multi-direction locking steel plate of a kind of fingers and palms bone according to claim 1 or 2 or 3, is characterized in that: the key multi-direction locking steel plate of described fingers and palms bone is made up of titanium alloy.
5. the key multi-direction locking steel plate of a kind of fingers and palms bone according to claim 4, is characterized in that: the thickness of the key multi-direction locking steel plate of described fingers and palms bone is 1.58mm.
6. the key multi-direction locking steel plate of a kind of fingers and palms bone according to claim 5, is characterized in that: described pressurization hole is oval pressurization hole.
7. the key multi-direction locking steel plate of a kind of fingers and palms bone according to claim 1, is characterized in that: the curved setting of cross section of the key multi-direction locking steel plate of described fingers and palms bone.
8. the key multi-direction locking steel plate of a kind of fingers and palms bone according to claim 1, is characterized in that: the hole wall of five screwed holes all offers 4 otch, 4 otch circumferentially arranging in even at hole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642716.1U CN204863442U (en) | 2015-08-24 | 2015-08-24 | Key multi -direction locking plate of fingers and palms bone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642716.1U CN204863442U (en) | 2015-08-24 | 2015-08-24 | Key multi -direction locking plate of fingers and palms bone |
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| CN204863442U true CN204863442U (en) | 2015-12-16 |
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| CN201520642716.1U Active CN204863442U (en) | 2015-08-24 | 2015-08-24 | Key multi -direction locking plate of fingers and palms bone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213012A (en) * | 2015-08-24 | 2016-01-06 | 苏州市康力骨科器械有限公司 | The key multi-direction locking steel plate of a kind of fingers and palms bone |
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2015
- 2015-08-24 CN CN201520642716.1U patent/CN204863442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105213012A (en) * | 2015-08-24 | 2016-01-06 | 苏州市康力骨科器械有限公司 | The key multi-direction locking steel plate of a kind of fingers and palms bone |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
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: 215625 Sha Chau East Road, Zhangjiagang, Suzhou, Jiangsu Patentee before: Suzhou Kangli Orthopedics Instrument Co., Ltd. |