CN208838135U - Universal lock system - Google Patents
Universal lock system Download PDFInfo
- Publication number
- CN208838135U CN208838135U CN201820443909.8U CN201820443909U CN208838135U CN 208838135 U CN208838135 U CN 208838135U CN 201820443909 U CN201820443909 U CN 201820443909U CN 208838135 U CN208838135 U CN 208838135U
- Authority
- CN
- China
- Prior art keywords
- nail
- spherical surface
- screw
- bulb head
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 241001079814 Symphyotrichum pilosum Species 0.000 claims abstract description 16
- 235000004224 Typha angustifolia Nutrition 0.000 claims abstract description 16
- 230000002980 postoperative effect Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002513 implantation Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to the technical fields of medical instrument, especially a kind of universal lock system has locking steel plate and lock screw, is provided with spherical surface unthreaded hole on the locking steel plate, the lower part of spherical surface unthreaded hole is provided with corresponding spherical surface screw hole, and spherical surface screw hole is connected to spherical surface unthreaded hole；The lock screw includes nail rod and the bulb head of a nail that nail rod top is arranged in, and the appearance of the bulb head of a nail is provided with discontinuous screw thread；The discontinuous screw thread of the bulb head of a nail and the screw thread of spherical surface screw hole misfit generation and grind one's teeth；The nail rod includes sequentially connected polished rod from top to bottom, shallow thread bar and deep thread bar, and the top of the polished rod is connected with the bulb head of a nail.The universal lock system adapts to the interior fixation of different fracture damaged parts and different skeletal shape differences, so that the angle of lock screw is in optimum fixation position, facilitates post-operative recovery.
Description
Technical field
The utility model relates to the technical field of medical instrument, especially a kind of universal lock system.
Background technique
Steel plate ontology and locking screw hole clinically are generally comprised for locking steel plate fixed in orthopaedics, is locked solid in screw hole
Surely there is lock screw, the angle between lock screw and locking steel plate is preset, in order to enable the locking in implantation bone
Screw has optimal fixed effect, then requires lock screw that must be implanted into bone in a specified direction.
However, since the skeletal shape between the different and Different Individual of fracture damaged portion has differences,
In clinical application, this locking steel plate screw system be commonly present between lock screw and locking steel plate set implantation direction and
The inconsistent contradiction in best implantation direction, influences surgical effect.
Summary of the invention
Technical problem to be solved by the utility model is: providing one kind ten thousand to overcome the deficiencies in the prior art
To locking system, the interior fixation of different fracture damaged parts and different skeletal shape differences is adapted to, is made at the angle of lock screw
In optimum fixation position, facilitate post-operative recovery.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of universal lock system, has locking
Steel plate and lock screw are provided with spherical surface unthreaded hole on the locking steel plate, and the lower part of spherical surface unthreaded hole, which is provided with, to be corresponded
Spherical surface screw hole, spherical surface screw hole is connected to spherical surface unthreaded hole；The lock screw includes nail rod and the ball that nail rod top is arranged in
The head head of a nail, the appearance of the bulb head of a nail are provided with discontinuous screw thread；The discontinuous screw thread of the bulb head of a nail and spherical surface screw hole
Screw thread misfits generation and grinds one's teeth；The nail rod includes sequentially connected polished rod from top to bottom, shallow thread bar and deep thread bar, institute
The top for the polished rod stated is connected with the bulb head of a nail.
Further specifically, the diameter of the spherical surface unthreaded hole is sequentially reduced from top to bottom, institute in above-mentioned technical proposal
The diameter for the spherical surface screw hole stated is sequentially reduced from top to bottom.
Further specifically, in above-mentioned technical proposal, the thread turns of the spherical surface screw hole is less than the bulb head of a nail
Thread turns.
Further specifically, in above-mentioned technical proposal, the transversal cross-section of the bulb head of a nail and the axis of the bulb head of a nail are set
Line is parallel, and the transversal cross-section of the bulb head of a nail is in " ten " font.
Further specifically, the lock screw can be in the range of circumference be 15 ° positive and negative in above-mentioned technical proposal
Lock locking steel plate.
Further specifically, in above-mentioned technical proposal, the nail rod and the bulb head of a nail are integrally formed.
The beneficial effects of the utility model are: the universal lock system of the utility model has the advantage that
One, lock screw is suitable for any locking steel plate, and the bulb head of a nail of lock screw is designed to discontinuous shape of threads,
The screw thread of the discontinuous screw thread and spherical surface screw hole that make the bulb head of a nail misfits generation and grinds one's teeth, and realizes that lock screw is positive and negative in circumference
Locking steel plate is locked in the range of 15 °, can effectively avoid fracture line, complete operation can fast and effectively；
Two, the threaded portion of lock screw is connected by two-part, and shallow thread bar is introduced into bone, and deep thread bar is laggard to the marrow
Head can play the role of preferably adapting to cortex bone and cancellous bone；
Three, there are also one section of polished rods for lock screw, not only can better wobble lock screw angle, can also realize lock
Determine screw oligodynamic effect, reduces stress, it is not easy to fracture；
Four, the spherical surface unthreaded hole on locking steel plate can allow lock screw preferably to adjust the angle, the spherical surface on locking steel plate
The thread turns of screw hole is relatively fewer, and lock screw can be allowed preferably to grind one's teeth into spherical surface screw hole, realize angular transformation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments as described in this application, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram one of universal lock system；
Fig. 2 is the structural schematic diagram two of universal lock system；
Fig. 3 is locked out the structural schematic diagram of spherical surface unthreaded hole and spherical surface screw hole on steel plate；
Fig. 4 is locked out the structural schematic diagram of screw.
Label in figure are as follows: 1, locking steel plate；2, lock screw；2-1, nail rod；2-1-1, polished rod；2-1-2, shallow thread
Bar；2-1-3, deep thread bar；2-2, the bulb head of a nail；3, spherical surface unthreaded hole；4, spherical surface screw hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
See Fig. 1~4, universal lock system has locking steel plate 1 and lock screw 2, and locking steel plate 1 is integrally formed, locking
The shape of steel plate 1 is adapted with the shape of bone, and spherical surface unthreaded hole 3, the lower part setting of spherical surface unthreaded hole 3 are provided on locking steel plate 1
There is corresponding spherical surface screw hole 4, spherical surface screw hole 4 is connected to spherical surface unthreaded hole 3；Lock screw 2 includes that nail rod 2-1 and setting exist
The bulb head of a nail 2-2, nail rod 2-1 and bulb head of a nail 2-2 on the top nail rod 2-1 are integrally formed.
The appearance of bulb head of a nail 2-2 is provided with discontinuous screw thread, sets the transversal cross-section and the bulb head of a nail of bulb head of a nail 2-2
The central axes of 2-2 are parallel, and the transversal cross-section of bulb head of a nail 2-2 is in " ten " font, the discontinuous screw thread and ball of bulb head of a nail 2-2
The screw thread of face screw hole 4 misfits generation and grinds one's teeth, and lock screw 2 can lock locking steel plate 1 in the range of circumference is 15 ° positive and negative,
Fracture line can be effectively avoided, complete operation can fast and effectively, adapts to different fracture damaged parts and different bones
The interior fixation of shape difference makes the angle of lock screw 2 be in optimum fixation position, facilitates post-operative recovery.
Nail rod 2-1 includes sequentially connected polished rod 2-1-1, shallow thread bar 2-1-2 from top to bottom and deep thread bar 2-1-3,
The top of polished rod 2-1-1 is connected with bulb head of a nail 2-2.The threaded portion of lock screw 2 is connected by two-part, shallow thread bar 2-
1-2 is introduced into bone, enters bone after deep thread bar 2-1-3, can play the role of preferably adapting to cortex bone and cancellous bone.
One section of polished rod in lock screw 2, not only can better wobble lock screw 2 angle, can also realize that lock screw 2 is micro-
Dynamic effect, reduces stress, it is not easy to fracture.
The diameter of spherical surface unthreaded hole 3 is sequentially reduced from top to bottom, and the diameter of spherical surface screw hole 4 is sequentially reduced from top to bottom.Spherical surface
The thread turns of screw hole 4 is less than the thread turns of bulb head of a nail 2-2.Spherical surface unthreaded hole 3 on locking steel plate 1 can allow lock screw
2 preferably adjust the angle, and the thread turns of the spherical surface screw hole 4 on locking steel plate 1 is relatively fewer, and lock screw 2 can be allowed more preferable
Grind one's teeth into spherical surface screw hole 4, realize angular transformation.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of universal lock system has locking steel plate (1) and lock screw (2), it is characterised in that: the locking steel plate
(1) it is provided on spherical surface unthreaded hole (3), the lower part of spherical surface unthreaded hole (3) is provided with corresponding spherical surface screw hole (4), spherical surface spiral shell
Hole (4) is connected to spherical surface unthreaded hole (3)；The lock screw (2) includes nail rod (2-1) and is arranged on the top nail rod (2-1)
The appearance of the bulb head of a nail (2-2), the bulb head of a nail (2-2) is provided with discontinuous screw thread；The discontinuous of the bulb head of a nail (2-2)
The screw thread of screw thread and spherical surface screw hole (4) misfits generation and grinds one's teeth；The nail rod (2-1) includes sequentially connected light from top to bottom
Bar (2-1-1), shallow thread bar (2-1-2) and deep thread bar (2-1-3), the top of the polished rod (2-1-1) and the bulb head of a nail
(2-2) is connected.
2. universal lock system according to claim 1, it is characterised in that: the diameter of the spherical surface unthreaded hole (3) is by upper
It is sequentially reduced down, the diameter of the spherical surface screw hole (4) is sequentially reduced from top to bottom.
3. universal lock system according to claim 1, it is characterised in that: the thread turns of the spherical surface screw hole (4)
Less than the thread turns of the bulb head of a nail (2-2).
4. universal lock system according to claim 1, it is characterised in that: the transversal cross-section of the setting bulb head of a nail (2-2)
Parallel with the central axes of the bulb head of a nail (2-2), the transversal cross-section of the bulb head of a nail (2-2) is in " ten " font.
5. universal lock system according to claim 1, it is characterised in that: the lock screw (2) can be in circumference
Locking steel plate (1) is locked in the range of positive and negative 15 °.
6. universal lock system according to claim 1, it is characterised in that: the nail rod (2-1) and the bulb head of a nail (2-
2) it is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820443909.8U CN208838135U (en) | 2018-03-29 | 2018-03-29 | Universal lock system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820443909.8U CN208838135U (en) | 2018-03-29 | 2018-03-29 | Universal lock system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208838135U true CN208838135U (en) | 2019-05-10 |
Family
ID=66351219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820443909.8U Expired - Fee Related CN208838135U (en) | 2018-03-29 | 2018-03-29 | Universal lock system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208838135U (en) |
-
2018
- 2018-03-29 CN CN201820443909.8U patent/CN208838135U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 |