CN205163231U - Universal nail of auto -lock - Google Patents
Universal nail of auto -lock Download PDFInfo
- Publication number
- CN205163231U CN205163231U CN201521001128.6U CN201521001128U CN205163231U CN 205163231 U CN205163231 U CN 205163231U CN 201521001128 U CN201521001128 U CN 201521001128U CN 205163231 U CN205163231 U CN 205163231U
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- plug screw
- briquetting
- arranges
- button
- adapter
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Abstract
The utility model relates to an universal nail of auto -lock belongs to the medical instrument field. This universal nail of auto -lock includes bulb nail (1), first briquetting (2), second briquetting (3), connector (4), interior plug screw (5), outer plug screw (6) and packing ring (7). Connector (4) inside cavity, the bulb nail (1) home range set up the lower part of connector (4), first briquetting (2) and second briquetting (3) set up in bulb nail (1) pin fin outside, to bulb nail (1) the formation power of surrouning, packing ring (7) make first briquetting (2) and press to bulb nail (1) second briquetting (3), makes bulb nail (1) is fixed to be arrived on connector (4), outer plug screw (6) home range sets up the upper end of connector (4), interior plug screw (5) home range sets up the inside of outer plug screw (6).
Description
Technical field
This utility model relates to a kind of self-locking universal nail, belongs to medical instruments field, is applicable in bone surgery.
Background technology
Along with growth in the living standard, the raising of medical level, the quickening of rhythm of life, doctor and patient have more and more higher requirement to existing spinal disease operation and a series of complication brought of performing the operation.All kinds of deformity of spine, comprise idiopathic and congenital scoliosis, rear convex, single segmental or multiple level spinal fractures, single segmental or multi-segmental unstable spine, degeneration spinal disease etc., existing pedicle screw fixation system is difficult to the good treatment obtaining spinal disease, and the movable critical constraints of postoperative patient, brings serious inconvenience to minimal invasive treatment.This utility model is the therapeutic effect in order to stabilization procedure, alleviates the misery of patient and development and Design.May be there is plug screw and deviate from traditional single plug screw universal nail, during spinal column pressurization decompression, position occurs and lose, cause operation to fall flat or fix unsuccessfully.
Summary of the invention
The purpose of this utility model is: for prior art Problems existing, provide a kind of self-locking universal nail with two screw plug structure, two screw plug structure can effectively prevent plug screw from deviating from, self-locking universal nail becomes single shaft nail after being compressed by rod and unclamping, prevent position from losing, surgical effect can be made more firm.
To achieve these goals, this utility model provides a kind of self-locking universal nail, is connected with pitman.Described self-locking universal nail comprises button, the first briquetting, the second briquetting, adapter, interior plug screw, outer plug screw and packing ring.Described adapter inner hollow, described pitman laterally runs through described adapter, described button range of activity is arranged on the bottom of described adapter, described first briquetting and described second briquetting are arranged on outside button ailhead, button is formed and encircles power, described packing ring makes described first briquetting and described second briquetting press to button, during operation, button is adjusted to appropriate location, be rotated down interior plug screw, downward power is made to be delivered to packing ring by pitman, packing ring is made to compress the first briquetting and the second briquetting downwards, this a series of action can make described button be fixed on described adapter, make described button non-rotatable, and then unclamp interior plug screw, now button is non-rotatable, can adjust pitman, spinal column is pressurizeed or decompression operation, described outer plug screw range of activity is arranged on the upper end of described adapter, described interior plug screw range of activity is arranged on the inside of described outer plug screw, and described pitman can be made to be fixed on described adapter.
Preferably, described button ailhead position arranges the one or six square groove, and ailhead position arranges trapezoidal thread, and rivet nut position arranges the first screw thread.
Preferably, described first briquetting arranges the first arcwall face, and described second briquetting arranges the second arcwall face, and described connector end arranges the 3rd arcwall face, described first briquetting and described second briquetting can be spliced into an entirety, and the first arcwall face and the second arcwall face contact with the 3rd arcwall face.
Preferably, described first briquetting and described second briquetting inside arrange the first cannelure and the second cannelure that are parallel to each other, described first cannelure and the smooth connection of the second cannelure, described first cannelure and the second cannelure contact with trapezoidal thread outside described button ailhead.
Preferably, described first briquetting arranges the first joint face, and described second briquetting arranges the second joint face, and described first joint face becomes L shape with the second joint face, and described first joint face is connected with the second joint face.
Preferably, described packing ring arranges circular hole and conical hole, described first briquetting arranged outside first surface and the first conicoid, described second briquetting arranged outside second curved surface and the second conicoid, described first surface, the second curved surface coordinate with described circular hole, and described first conicoid, the second conicoid and described conical hole match.
Preferably, described outer plug screw arranges disk and cylinder, and described disk lateral symmetry arranges plane, described outer plug screw inside arranges symmetrical arc notch, arrange screwed hole under described arc notch, described interior plug screw arranged outside second screw thread, closes with described corresponding threaded holes.
Preferably, described outer plug screw arranges groove, described interior plug screw arranges endless groove, and after interior plug screw screws in outer plug screw, the setting of described groove and described endless groove can prevent interior plug screw from deviating from, and described interior plug screw arranges the two or six square groove.
Preferably, described adapter middle and lower part arranges surface groove and the 3rd cannelure, and described adapter arranges breach, and described breach arranges cylinder hole.Described outer plug screw bottom arranges connected unit, described connected unit arranges hook-shaped end, described breach is connected with the connected unit interference fit of described cylinder hole with described outer plug screw, described hook-shaped end snaps in cylinder hole, can play and prevent interior plug screw from screwing in outer plug screw too much, for convenience detach, when rotate in plug screw time, outer plug screw is threaded connection the power being subject to interior plug screw, and outer plug screw also can play the effect of interior receiving connector by the matching relationship of described hook-shaped end and described cylinder hole, and outer plug screw is not easily deviate from.
Preferably, described adapter arranges holding tank, is symmetrical arranged groove outside described adapter, and described groove is convenient to carry out lift adjustment with the device contacts matched.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is the front view of this utility model button.
Fig. 4 is the structure chart of this utility model first briquetting.
Fig. 5 is the front view of this utility model first briquetting.
Fig. 6 is the structure chart of this utility model second briquetting.
Fig. 7 is the front view of this utility model second briquetting.
Fig. 8 is the front view of this utility model packing ring.
Fig. 9 is the outer plug screw front view of this utility model.
Figure 10 is the outer plug screw top view of this utility model.
Figure 11 is the outer plug screw upward view of this utility model.
Figure 12 is plug screw front view in this utility model.
Figure 13 is plug screw top view in this utility model.
Figure 14 is this utility model adapter front view.
Figure 15 is this utility model adapter left view.
Figure 16 is this utility model adapter top view.
In figure,
Button 1, first briquetting 2, second briquetting 3, adapter 4, interior plug screw 5, outer plug screw 6, packing ring 7, one or six square groove 8, trapezoidal thread 9, first screw thread 10, first arcwall face 11, second arcwall face 12, 3rd arcwall face 13, first cannelure 14, second cannelure 15, first joint face 16, second joint face 17, circular hole 18, conical hole 19, first surface 20, first conicoid 21, second curved surface 22, second conicoid 23, disk 24, cylinder 25, plane 26, arc notch 27, screwed hole 28, second screw thread 29, two or six square groove 30, endless groove 31, surface groove 32, 3rd cannelure 33, breach 34, cylinder hole 35, connected unit 36, holding tank 37, groove 38, pitman 39, groove 40, hook-shaped end 41.
Detailed description of the invention
In order to further illustrate this utility model, below in conjunction with embodiment, the self-locking universal nail that this utility model provides is described in detail, but they can not be interpreted as the restriction to this utility model protection domain.
Shown in Figure 16, according to the self-locking universal nail of a kind of preferred implementation of this utility model, be connected with pitman 39.Described self-locking universal nail comprises button 1, first briquetting 2, second briquetting 3, adapter 4, interior plug screw 5, outer plug screw 6 and packing ring 7.Described adapter 4 inner hollow, described pitman 39 laterally runs through described adapter 4, described button 1 range of activity is arranged on the bottom of described adapter 4, described first briquetting 2 and described second briquetting 3 are arranged on outside button 1 ailhead, button 1 is formed and encircles power, described packing ring 7 makes described first briquetting 2 and described second briquetting 3 press to button 1, during operation, button 1 is adjusted to appropriate location, be rotated down interior plug screw 5, downward power is made to be delivered to packing ring 7 by pitman 39, packing ring 7 is made to compress the first briquetting 2 and the second briquetting 3 downwards, this a series of action can make described button 1 be fixed on described adapter 4, make described button 1 non-rotatable, and then unclamp interior plug screw 5, now button 1 is non-rotatable, can adjust pitman 39, spinal column is pressurizeed or decompression operation, described outer plug screw 6 range of activity is arranged on the upper end of described adapter 4, described interior plug screw 5 range of activity is arranged on the inside of described outer plug screw 6, and described pitman 39 can be made to be fixed on described adapter 4.
Described button 1 ailhead position arranges the one or six square groove 8, and ailhead position arranges trapezoidal thread 9, and rivet nut position arranges the first screw thread 10.
Described first briquetting 2 arranges the first arcwall face 11, described second briquetting 3 arranges the second arcwall face 12, described adapter 4 end arranges the 3rd arcwall face 13, described first briquetting 2 can be spliced into an entirety with described second briquetting 3, and the first arcwall face 11 and the second arcwall face 12 contact with the 3rd arcwall face 13.
Described first briquetting 2 arranges with described second briquetting 3 inside the first cannelure 14 and the second cannelure 15 be parallel to each other, described first cannelure 14 and the smooth connection of the second cannelure 15, described first cannelure 14 and the second cannelure 15 contact with trapezoidal thread 9 outside described button 1 ailhead, after button 1 adjusts position, when first briquetting 2 and the second briquetting 3 are subject to downward power, trapezoidal thread 9 enters in the first cannelure 14 and the second cannelure 15, make button 1 not rotatable, be fixed on adapter 4.
Described first briquetting 2 arranges the first joint face 16, and described second briquetting 3 arranges the second joint face 17, described first joint face 16 and the second joint face 17 one-tenth L shapes, but not as limit, described first joint face 16 is connected with the second joint face 17.
Described packing ring 7 arranges circular hole 18 and conical hole 19, described first briquetting 2 arranged outside first surface 20 and the first conicoid 21, described second briquetting 3 arranged outside second curved surface 22 and the second conicoid 23, described first surface 20, second curved surface 22 coordinates with described circular hole 18, and described first conicoid 21, second conicoid 23 and described conical hole 19 match.
Described outer plug screw 6 arranges disk 24 and cylinder 25, described disk 24 lateral symmetry arranges plane 26, and described outer plug screw 6 inside arranges symmetrical arc notch 27, and described arc notch arranges screwed hole 28 27 times, described interior plug screw 5 arranged outside second screw thread 29, matches with described screwed hole 28.
Described outer plug screw 6 arranges groove 40, and described interior plug screw 5 arranges endless groove 31, and after interior plug screw 5 screws in outer plug screw 6, the setting of described groove 40 and described endless groove 31 can prevent interior plug screw 5 from deviating from, and described interior plug screw 5 arranges the two or six square groove 30.
Described adapter 4 middle and lower part arranges surface groove 32 and the 3rd cannelure 33, and described adapter 4 arranges breach 34, and described breach 34 arranges cylinder hole 35.Described outer plug screw 6 bottom arranges connected unit 36, described connected unit 36 arranges hook-shaped end 41, described breach 34 is connected with connected unit 36 interference fit of described cylinder hole 35 with described outer plug screw 6, described hook-shaped end 41 snaps in cylinder hole 35, can play that to prevent interior plug screw 5 from screwing in outer plug screw 6 too much, for convenience detach, when rotate in plug screw 5 time, outer plug screw 6 is threaded connection the power being subject to interior plug screw 5, outer plug screw 6 also can play the effect of interior receiving connector 4 by described hook-shaped end 41 and the matching relationship of described cylinder hole 35, and outer plug screw 6 is not easily deviate from.
Described adapter 4 arranges holding tank 38, is symmetrical arranged groove 39 outside described adapter 4, and described groove 39 is convenient to carry out lift adjustment with the device contacts matched.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. self-locking universal nail, be connected with pitman (39), it is characterized in that: described self-locking universal nail comprises button (1), the first briquetting (2), the second briquetting (3), adapter (4), interior plug screw (5), outer plug screw (6) and packing ring (7), described adapter (4) inner hollow, described pitman (39) laterally runs through described adapter (4), described button (1) range of activity is arranged on the bottom of described adapter (4), described first briquetting (2) and described second briquetting (3) are arranged on outside button (1) ailhead, button (1) is formed and encircles power, described packing ring (7) makes described first briquetting (2) and described second briquetting (3) press to button (1), during operation, button (1) is adjusted to appropriate location, be rotated down interior plug screw (5), downward power is made to be delivered to packing ring (7) by pitman (39), packing ring (7) is made to compress the first briquetting (2) and the second briquetting (3) downwards, this a series of action can make described button (1) be fixed on described adapter (4), make described button (1) non-rotatable, and then unclamp interior plug screw (5), now button (1) is non-rotatable, can adjust pitman (39), spinal column is pressurizeed or decompression operation, described outer plug screw (6) range of activity is arranged on the upper end of described adapter (4), described interior plug screw (5) range of activity is arranged on the inside of described outer plug screw (6), and described pitman (39) can be made to be fixed on described adapter (4).
2. self-locking universal nail according to claim 1, is characterized in that: described button (1) ailhead position arranges the one or six square groove (8), and ailhead position arranges trapezoidal thread (9), and rivet nut position arranges the first screw thread (10).
3. self-locking universal nail according to claim 1, it is characterized in that: described first briquetting (2) arranges the first arcwall face (11), described second briquetting (3) arranges the second arcwall face (12), described adapter (4) end arranges the 3rd arcwall face (13), described first briquetting (2) and described second briquetting (3) can be spliced into an entirety, and the first arcwall face (11) and the second arcwall face (12) contact with the 3rd arcwall face (13).
4. self-locking universal nail according to claim 1, it is characterized in that: described first briquetting (2) arranges with described second briquetting (3) inside the first cannelure (14) and the second cannelure (15) that are parallel to each other, described first cannelure (14) and the second cannelure (15) smooth connection, described first cannelure (14) and the second cannelure (15) contact with trapezoidal thread (9) outside described button (1) ailhead, after button (1) adjusts position, when first briquetting (2) and the second briquetting (3) are subject to downward power, trapezoidal thread (9) enters in the first cannelure (14) and the second cannelure (15), make button (1) not rotatable, be fixed on adapter (4).
5. self-locking universal nail according to claim 1, it is characterized in that: described first briquetting (2) arranges the first joint face (16), described second briquetting (3) arranges the second joint face (17), described first joint face (16) becomes L shape with the second joint face (17), and described first joint face (16) is connected with the second joint face (17).
6. self-locking universal nail according to claim 1, it is characterized in that: described packing ring (7) arranges circular hole (18) and conical hole (19), described first briquetting (2) arranged outside first surface (20) and the first conicoid (21), described second briquetting (3) arranged outside second curved surface (22) and the second conicoid (23), described first surface (20), the second curved surface (22) coordinate with described circular hole (18), and described first conicoid (21), the second conicoid (23) and described conical hole (19) match.
7. self-locking universal nail according to claim 1, it is characterized in that: described outer plug screw (6) arranges disk (24) and cylinder (25), described disk (24) lateral symmetry arranges plane (26), described outer plug screw (6) inside arranges symmetrical arc notch (27), screwed hole (28) is set under described arc notch (27), described interior plug screw (5) arranged outside second screw thread (29), matches with described screwed hole (28).
8. self-locking universal nail according to claim 1, it is characterized in that: described outer plug screw (6) arranges groove (40), described interior plug screw (5) arranges endless groove (31), after interior plug screw (5) screws in outer plug screw (6), the setting of described groove (40) and described endless groove (31) can prevent interior plug screw (5) from deviating from, and described interior plug screw (5) arranges the two or six square groove (30).
9. self-locking universal nail according to claim 1, it is characterized in that: described adapter (4) middle and lower part arranges surface groove (32) and the 3rd cannelure (33), described adapter (4) arranges breach (34), described breach (34) is arranged cylinder hole (35), described outer plug screw (6) bottom arranges connected unit (36), described connected unit (36) is arranged hook-shaped end (41), described breach (34) is connected with connected unit (36) interference fit of described cylinder hole (35) with described outer plug screw (6), described hook-shaped end (41) snaps in cylinder hole (35), can play and prevent interior plug screw (5) from screwing in outer plug screw (6) too much, for convenience detach, when rotate in plug screw (5) time, outer plug screw (6) is threaded connection the power being subject to interior plug screw (5), outer plug screw (6) also can play the effect of interior receiving connector (4) by described hook-shaped end (41) and the matching relationship of described cylinder hole (35), outer plug screw (6) is not easily deviate from.
10. self-locking universal nail according to claim 1, it is characterized in that: described adapter (4) arranges holding tank (37), described adapter (4) outside is symmetrical arranged groove (38), and described groove (38) is convenient to carry out lift adjustment with the device contacts matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521001128.6U CN205163231U (en) | 2015-12-07 | 2015-12-07 | Universal nail of auto -lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521001128.6U CN205163231U (en) | 2015-12-07 | 2015-12-07 | Universal nail of auto -lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205163231U true CN205163231U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521001128.6U Active CN205163231U (en) | 2015-12-07 | 2015-12-07 | Universal nail of auto -lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205163231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496533A (en) * | 2015-12-07 | 2016-04-20 | 北京市富乐科技开发有限公司 | Self-locking universal nail |
-
2015
- 2015-12-07 CN CN201521001128.6U patent/CN205163231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496533A (en) * | 2015-12-07 | 2016-04-20 | 北京市富乐科技开发有限公司 | Self-locking universal nail |
| CN105496533B (en) * | 2015-12-07 | 2018-10-12 | 北京市富乐科技开发有限公司 | Self-locking universal nail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170217 Address after: 101204 West Beijing District of Pinggu City Mafang Industrial Zone No. 50 Patentee after: Beijing Fule Science & Technology Development Co., Ltd. Patentee after: Hu Huanyu Address before: 101204 West Beijing District of Pinggu City Mafang Industrial Zone No. 50 Patentee before: Hu Huanyu |