CN203736293U - Universal locking metal bone plate device for cortical bone and cancellous bone - Google Patents
Universal locking metal bone plate device for cortical bone and cancellous bone Download PDFInfo
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- CN203736293U CN203736293U CN201320806815.XU CN201320806815U CN203736293U CN 203736293 U CN203736293 U CN 203736293U CN 201320806815 U CN201320806815 U CN 201320806815U CN 203736293 U CN203736293 U CN 203736293U
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- bone
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- fracture plate
- screw
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Abstract
The utility model discloses a universal locking metal bone plate device for cortical bone and cancellous bone. The device is a bone setting medical instrument, and can be used for fixing skeletons of different bones at a bone fracture part. The device comprises a locking metal bone plate, a locking thick thread bone setting screw, and a locking thin thread bone setting screw; the same conical threads are formed in the rear ends of the locking thick thread bone setting screw and the locking thin thread bone setting screw; a thick thread and a thick thread are respectively formed in the cylindrical surfaces of the locking thick thread bone setting screw and the locking thin thread bone setting screw; more than two conical threaded locking holes are formed in the locking metal bone plate and are matched with the conical threads of the locking bone setting screws; the thick thread is a single thread or a multiple thread; the thin thread and the conical thread are multiple threads; the leads of the thick thread, the thin thread and the conical thread are the same. During bone setting, the locking thick thread bone setting screw is screwed in the conical threaded hole corresponding to the cancellous bone of the bone fracture part and the locking thin thread bone setting screw is screwed in the conical threaded hole corresponding to the cortical bone of the bone fracture part, so that the holding force exerted on the skeletons of different bones at the two ends of a bone fracture line is enhanced.
Description
Technical field
This utility model relates to orthopedic medical device field.
background technology
Being fracture patient synthetism with locking metal bone fracture plate device, is a kind of conventional therapeutic treatment method.Conventionally locking metal bone fracture plate device is by locking metal bone fracture plate and locking bone screw forms, the bar portion of locking bone screw be provided be suitable for cortical bone fine thread be referred to as lock fine thread bone screw, bar portion be provided be suitable for spongy bone coarse-pitch thread be referred to as to lock coarse-pitch thread bone screw, the head of locking bone screw is provided with taper thread.Application (patent) number: 200610154959.6 disclose one, planted orthopaedics implant locking elastic bone plate, it comprises blade plate, on blade plate, there is lock hole, it is characterized in that the lock hole on blade plate is taper thread hole, matching used screw is cone screw with it, and both are threaded by taper hole.Application number: CN200610040293.1 discloses a kind of locking bone screw, its structure by following closely bar, lock screw head forms, nail bar is provided with bone thread, lock screw head is provided with circular cone multiple thread or cylinder multiple thread.Can find out in sum, the taper thread of existing its screw head of locking bone screw is not openly designed to identical with the coarse-pitch thread of bar portion and the helical pitch of fine thread, therefore, locking fine thread bone screw and locking coarse-pitch thread bone screw can not be applicable to a locking metal bone fracture plate simultaneously, when one end of patient fracture is that the cortical bone other end is while being spongy bone, with the synthetism of existing locking metal bone fracture plate device, the relative cortical bone of hold one end of its spongy bone one end locking bone screw is little, thereby exist and fixedly owe firm problem to skeleton, therefore, normally used locking metal bone fracture plate device can not meet above-mentioned patient's bone-setting treatment needs.
summary of the invention
In order to address the above problem, this utility model provides a kind of cortical bone and the general locking metal bone fracture plate device of spongy bone, this device can use locking coarse-pitch thread bone screw and locking fine thread bone screw on a locking metal bone fracture plate simultaneously, it comprises locking metal bone fracture plate, locking coarse-pitch thread bone screw, locking fine thread bone screw, the quantity of locking coarse-pitch thread bone screw and locking fine thread bone screw is more than one, the rear end of described locking coarse-pitch thread bone screw and locking fine thread bone screw is provided with identical tapered tread, the rear end of locking bone screw is the large end of tapered tread, the rear end of the small end of tapered tread and locking bone screw cylindrical portion joins, the periphery of described locking coarse-pitch thread bone screw is provided with coarse-pitch thread, the periphery of described locking fine thread bone screw is provided with fine thread, the close skeleton one side of described locking metal bone fracture plate is for below, being provided with and the tapered tread lock hole connecting below above of locking metal bone fracture plate, the large end of tapered tread lock hole is on locking metal bone fracture plate, small end is below locking metal bone fracture plate, the quantity of described tapered tread lock hole is more than two, and match with the tapered tread of described locking bone screw, described coarse-pitch thread is single thread or multi start thread, fine thread and tapered tread are multi start thread, and multi start thread is generally double thread or quadruple thread, it is characterized in that coarse-pitch thread, fine thread, the helical pitch of tapered tread is identical.
The material of locking metal bone fracture plate in the general locking metal bone fracture plate device of this utility model cortical bone and spongy bone, locking coarse-pitch thread bone screw, locking fine thread bone screw be metal or nonmetal in can be used for manufacturing the material of blade plate, bone screw.
The locking metal bone fracture plate device that this utility model cortical bone and spongy bone are general, can be on a locking metal bone fracture plate, according to the skeleton of different sclerotin corresponding below its tapered tread lock hole, screw in corresponding locking bone screw, spongy bone screws in locking coarse-pitch thread bone screw, cortical bone screws in locking fine thread bone screw, thereby increase the hold to the different sclerotin skeletons in fracture line two ends, and then the stability of having promoted bone-setting treatment, effectively overcome the aforesaid drawbacks of existing locking metal bone fracture plate device.
Brief description of the drawings
Fig. 1 is the embodiment schematic diagram of the general locking metal bone fracture plate device of this utility model cortical bone and spongy bone;
Fig. 2 is locking coarse-pitch thread bone screw schematic diagram;
Fig. 3 is locking fine thread bone screw schematic diagram;
Fig. 4 is locking metal bone fracture plate schematic diagram.
Detailed description of the invention:
Fig. 1 to Fig. 4 shows the embodiment of this utility model cortical bone and the general locking metal bone fracture plate device of spongy bone.Whole device forms by locking metal bone fracture plate 1, locking coarse-pitch thread bone screw 2 and locking fine thread bone screw 3.Figure 2 shows that locking coarse-pitch thread bone screw 2, be mainly used in the fixing of spongy bone, its periphery is provided with coarse-pitch thread 5, and this screw thread can be selected single thread or multi start thread.Figure 3 shows that locking fine thread bone screw 3, be mainly used in the fixing of cortical bone, its periphery is provided with fine thread 6, and this screw thread is multi start thread.Shown in Fig. 2, Fig. 3, lock coarse-pitch thread bone screw 2 and be provided with identical tapered tread 4 with the rear end of locking fine thread bone screw 3, the rear end of locking bone screw is the large end of tapered tread 4, the rear end of the small end of tapered tread 4 and locking bone screw cylindrical portion joins, and this screw thread is selected multi start thread.Figure 4 shows that locking metal bone fracture plate 1, its one side near skeleton is for below, the tapered tread lock hole 7 being provided with above it and connect below, the large end of tapered tread lock hole 7 is on locking metal bone fracture plate, small end is below locking metal bone fracture plate, and the quantity of tapered tread lock hole 7 is more than two.As shown in Figures 1 to 4, consistent with the spiral progress that screws in locking metal bone fracture plate tapered tread lock hole in order to make locking bone screw screw in skeleton, the fine thread 6 of the coarse-pitch thread 5 of locking coarse-pitch thread bone screw periphery and locking fine thread bone screw periphery, and the tapered tread 4 of these two kinds of locking bone screw rear ends, no matter it is single thread or multi start thread, their lead is identical, and the tapered tread lock hole 7 locking on metal bone fracture plate 1 is matching thread with the tapered tread 4 of locking bone screw rear end.When synthetism according to the different skeleton in fracture line 9 two ends, the tapered tread hole that the tapered tread hole of spongy bone 8 correspondences screws in locking coarse-pitch thread bone screw 2, cortical bone 10 correspondences screws in locking fine thread bone screw 3, thereby increase the hold to the different sclerotin skeletons in fracture line 9 two ends, and then the stability of having promoted bone-setting treatment.
Claims (9)
1. a cortical bone and the general locking metal bone fracture plate device of spongy bone, this device comprises locking metal bone fracture plate (1), locking coarse-pitch thread bone screw (2) and locking fine thread bone screw (3), described locking coarse-pitch thread bone screw (2) and locking fine thread bone screw (3), the rear end of these two kinds of screws is provided with identical tapered tread (4), and the rear end of these two kinds of screws is the large end of tapered tread (4), the small end of the rear end of these two kinds of screw cylindrical portion and tapered tread (4) joins, the periphery of described locking coarse-pitch thread bone screw (2) is provided with coarse-pitch thread (5), the periphery of described locking fine thread bone screw (3) is provided with fine thread (6), the one side of the close skeleton of described locking metal bone fracture plate (1) is for below, being provided with and the tapered tread lock hole (7) connecting below above of locking metal bone fracture plate (1), the large end of described tapered tread lock hole (7) is on locking metal bone fracture plate (1), small end is below locking metal bone fracture plate (1), described locking coarse-pitch thread bone screw (2) or locking fine thread bone screw (3) are screwed in and are locked by the large end of described tapered tread lock hole (7), it is characterized in that coarse-pitch thread (5), fine thread (6), the helical pitch of tapered tread (4) is identical.
2. the general locking metal bone fracture plate device of a kind of cortical bone and spongy bone according to claim 1, is characterized in that described tapered tread (4) and tapered tread lock hole (7) are matching thread.
3. the general locking metal bone fracture plate device of a kind of cortical bone and spongy bone according to claim 1, is characterized in that described coarse-pitch thread (5) is single thread or multi start thread.
4. the general locking metal bone fracture plate device of a kind of cortical bone and spongy bone according to claim 1, is characterized in that described fine thread (6) is multi start thread.
5. the general locking metal bone fracture plate device of a kind of cortical bone and spongy bone according to claim 1, is characterized in that described tapered tread (4) is for multi start thread.
6. the general locking metal bone fracture plate device of a kind of cortical bone and spongy bone according to claim 1, is characterized in that the quantity that locks coarse-pitch thread bone screw (2) and locking fine thread bone screw (3) is more than one.
7. the general locking metal bone fracture plate device of a kind of cortical bone and spongy bone according to claim 1, the material that it is characterized in that locking metal bone fracture plate (1) is that metal maybe can be manufactured the nonmetal of blade plate.
8. the general locking metal bone fracture plate device of a kind of cortical bone and spongy bone according to claim 1, the material that it is characterized in that locking coarse-pitch thread bone screw (2) and locking fine thread bone screw (3) is that metal maybe can be manufactured the nonmetal of bone screw.
9. according to a kind of cortical bone described in claim 3 or 4 or 5 and the general locking metal bone fracture plate device of spongy bone, it is characterized in that described multi start thread is generally double thread or quadruple thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806815.XU CN203736293U (en) | 2013-12-05 | 2013-12-05 | Universal locking metal bone plate device for cortical bone and cancellous bone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806815.XU CN203736293U (en) | 2013-12-05 | 2013-12-05 | Universal locking metal bone plate device for cortical bone and cancellous bone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203736293U true CN203736293U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320806815.XU Expired - Fee Related CN203736293U (en) | 2013-12-05 | 2013-12-05 | Universal locking metal bone plate device for cortical bone and cancellous bone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203736293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654931A (en) * | 2013-12-05 | 2014-03-26 | 山东航维骨科医疗器械股份有限公司 | Locking metal bone fracture plate device commonly used for cortical bone and cancellous bone |
-
2013
- 2013-12-05 CN CN201320806815.XU patent/CN203736293U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654931A (en) * | 2013-12-05 | 2014-03-26 | 山东航维骨科医疗器械股份有限公司 | Locking metal bone fracture plate device commonly used for cortical bone and cancellous bone |
| CN103654931B (en) * | 2013-12-05 | 2016-05-18 | 山东航维骨科医疗器械股份有限公司 | The locking metal bone fracture plate device that a kind of cortex bone and cancellous bone are general |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20161205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |