CN105078557A - Locking and compressing hole and application thereof - Google Patents
Locking and compressing hole and application thereof Download PDFInfo
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- CN105078557A CN105078557A CN201410204546.9A CN201410204546A CN105078557A CN 105078557 A CN105078557 A CN 105078557A CN 201410204546 A CN201410204546 A CN 201410204546A CN 105078557 A CN105078557 A CN 105078557A
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Abstract
The invention relates to a locking and compressing hole and application thereof. The locking and compressing hole is characterized in that a cylindrical oblique plane, a cylindrical plane I and a spherical plane I are sequentially arranged on the side, which is far away from a bone surface, of the locking and compressing hole and are sequentially tangential to one another; a cylindrical plane II, two symmetrical planes and a conical plane are sequentially arranged on the side, which is close to the bone surface, of the locking and compressing hole and are respectively positioned at the lower ends of the cylindrical oblique plane, the cylindrical plane I and the spherical plane I, the symmetrical planes are tangential to the cylindrical plane II, the minimum diameter of the conical plane is larger than the diameter of the cylindrical plane II, and conical internal threads are arranged on the conical plane. The locking and compressing hole and the application have the advantages that locking and compressing effects can be realized by the locking and compressing hole; secondary compressing effects can be realized; the through hole is longitudinally short, and accordingly influence on the strength of a steel plate can be reduced to a certain extent.
Description
[technical field]
The present invention relates to medical instruments field, particularly relate to the locking compress hole on a kind of blade plate and application thereof.
[background technology]
Metal bone fracture plate conventional is at present divided into two classes, and a class is conventional pressurized blade plate, and another kind of is locking steel plate.Conventional pressurized blade plate, which is provided with pressurization hole, can carry out loaded reset to fracture site, it coordinates the cortical bone of round end or cancellous bone screw to use, bone surface is pressed on by screw, rely on the frictional force between bone and steel plate and reach and fixedly secure, along with the cyclically-varying of load, screw loosens gradually, frictional force reduces, cause steel plate to loosen, fracture occurs then unstable, finally Unstable internal fixation can occur.When having loose for metaphysis or sclerotin, screw be kept fixing very difficult well all the time, and fixedly securing of therefore fracturing is difficult to maintain.Meanwhile, the fixing compressing produced bone of conventional compression steel plate, have impact on the blood fortune of periosteum and fracture region.Locking steel plate adopts external fixator biomechanics settled principle, which is provided with threaded lock hole, by coordinating with lock screw, steel plate and screw shaped in aggregates, stable angle is formed between screw and steel plate, allow not contact with surface of bone completely when placing locking steel plate, little to the compressing of periosteum and blood fortune.It does not need to produce frictional force between steel plate and bone, considers, should be called inner fixer from the angle of biomechanics.
In order to make locking steel plate also loaded reset can be carried out, generally it can be established independent or dependent pressing mechanism.Current a kind of mode is on steel plate, establish lock hole and pressurization hole respectively, but because the position in lock hole on a block plate and pressurization hole is fixed, differ and meet the demand of actual surgical surely completely, needing the position of pressurizeing may be lock hole, and needing the position of locking may be pressurization hole, bring a lot of inconvenience to doctor.Another kind of mode is on steel plate, arrange a kind of locking and pressurizing combined hole, the more typical pass (patent No. 00818648) represented with 8 word Kong Wei, this hole forms by two holes are overlapping, holes is relatively independent again, and in 8-shaped, the not threaded hole of a part can hold skin nail or pine nail carries out loaded reset, the threaded hole of another part and lock screw with the use of, realize locking, this kind of its through hole of pass longitudinal size on steel plate is comparatively large, have impact on the intensity of steel plate to a certain extent; Be the pass (patent No. 201110071449) of representative in addition with ellipse hole, this hole coordinates threaded locking nail to use, locking and pressurizing one step completes, pressurization is realized by locking nail, and finally to be coordinated with female thread portion on hole by locking nail head external screw thread and realize locking, this kind of pass is directly screwed into screw thread from oblique due to locking nail, may cause and grind one's teeth, affect the connection of screw and steel plate, thus impact is fixing.
[summary of the invention]
A kind of locking compress hole of the present invention, can coordinate os integumentale screw, the cancellous bone screw use of round end, or lock screw uses, and a hole can realize pressurization, can realize again locking according to operation actual needs; While content with funtion, its through hole in longitudinal direction is as far as possible little, and is screwed into lock screw and the phenomenon such as can not grinds one's teeth.
The object of the invention is to be achieved through the following technical solutions:
A kind of locking compress hole, it is characterized in that, it is away from the side of surface of bone, is provided with a cylinder inclined-plane successively, a face of cylinder I and one spherical I, and three faces are tangent successively; It is near the side of surface of bone, is provided with a face of cylinder II, the plane of two symmetries and a conical surface successively, is divided into and is positioned at a cylinder inclined-plane, the lower end of a face of cylinder I and one spherical I, and the plane of symmetry and face of cylinder II tangent.
Specifically, a kind of locking compress hole, it is away from the side of surface of bone, is provided with a cylinder inclined-plane successively, to realize pressurization, a face of cylinder I and one spherical I, to allow the bulb holding os integumentale screw or cancellous bone screw during twice pressurization; Three faces are tangent successively; It is near the side of surface of bone, is provided with a face of cylinder II, the plane of two symmetries and a conical surface successively, symmetrical plane and the face of cylinder tangent, the minimum diameter of the conical surface is greater than the diameter of face of cylinder II; The conical surface is provided with tapering female thread, realizes locking to coordinate lock screw.
The present invention can apply with medical apparatus and instruments in all kinds of plate, as wound steel plate or spinal plate etc., the os integumentale screw of bulb or cancellous bone screw can be coordinated to use and realize loaded reset, implant, be screwed into and carry out loaded reset from one end, cylinder inclined-plane; Simultaneously when pressurizeing again in outside, ball screw can move along through hole, and the maximum distance resetted that allows is the distance of face of cylinder II axis and conical surface axis.Lock screw also can be coordinated to use, coordinate guiding apparatus to be screwed into lock screw, realize locking.
Compared with prior art, good effect of the present invention is:
(1) a kind of locking compress hole of the present invention can realize locking and can realize again pressurization.
(2) a kind of locking compress hole of the present invention can realize secondary pressurized.
(3) a kind of locking compress hole of the present invention and application thereof, through hole longitudinal length is less, decreases the impact on armor plate strength to a certain extent.
[accompanying drawing explanation]
A kind of locking compress hole of Fig. 1 the present invention applying three-dimensional schematic diagram;
A kind of locking compress hole application of Fig. 2 the present invention generalized section;
A kind of locking compress hole of Fig. 3 the present invention schematic three dimensional views;
A kind of locking compress hole of Fig. 4 the present invention profile:
A kind of locking compress hole of Fig. 5 the present invention top view;
Label in accompanying drawing is: 1, locking compress plate, 2, lock screw, 3, os integumentale screw, 11, cylinder inclined-plane, 12, spherical I, 13, face of cylinder I, 14, tapering female thread, 15, face of cylinder II, 16, plane, 17, the conical surface, 21, taper thread, 31, spherical II.
[detailed description of the invention]
The detailed description of the invention of a kind of locking compress hole of the present invention and application thereof is below provided.
Embodiment 1
Accompanying drawing 1 and accompanying drawing 2 are a kind of locking compress hole applying three-dimensional schematic diagram of the present invention and generalized section.The present invention can be applicable in locking steel plate 1, the os integumentale screw 3 of mating band spherical II31 or cancellous bone screw can use and realize loaded reset, one end, cylinder inclined-plane is implanted, and is screwed into and carries out loaded reset (as leftmost side screw in Fig. 2); Simultaneously when pressurizeing again in outside, ball screw can move along through hole (as central screw in Fig. 2), and the maximum distance resetted that allows is the distance of face of cylinder II15 axis and the conical surface 17 axis.Also the lock screw 2 of engagement head band taper thread 21 can use, coordinate guiding apparatus to be screwed into lock screw, realize locking.
Accompanying drawing 3,4,5 is a kind of locking compress hole of the present invention schematic three dimensional views, profile and top view.A kind of locking compress hole, it is away from the side of surface of bone, be provided with a cylinder inclined-plane 11 successively, to realize pressurization, one face of cylinder I13 and one spherical I12, to allow twice pressurization, holds the bulb of os integumentale screw or cancellous bone screw, cylinder inclined-plane 11 is tangent with face of cylinder I13, and face of cylinder I13 and spherical I12 is tangent; It is near the side of surface of bone, be provided with a face of cylinder II15, the plane 16 of two symmetries and a conical surface 17 successively, be divided into and be positioned at a cylinder inclined-plane 11, the lower end in one face of cylinder 113 and a spherical face 112, and the plane 16 of symmetry is tangent with face of cylinder II15, the minimum diameter of the conical surface 17 is greater than the diameter of face of cylinder II15;
Spherical I12 lower end, the conical surface 17 is provided with tapering female thread 14, realizes locking to coordinate lock screw 3.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (5)
1. a locking compress hole, is characterized in that, it is away from the side of surface of bone, is provided with a cylinder inclined-plane successively, a face of cylinder I and one spherical I, and three faces are tangent successively; It is near the side of surface of bone, is provided with a face of cylinder II, the plane of two symmetries and a conical surface successively, is divided into and is positioned at a cylinder inclined-plane, the lower end of a face of cylinder I and one spherical I, and the plane of symmetry and face of cylinder II tangent.
2. a kind of locking compress hole as claimed in claim 1, it is characterized in that, the described conical surface is provided with tapering female thread.
3. a kind of locking compress hole as claimed in claim 1, is characterized in that, the minimum diameter of the conical surface of the side of described close surface of bone is greater than the diameter of face of cylinder II.
4. the application of a kind of locking compress hole as claimed in claim 1 in all kinds of plate of medical apparatus and instruments.
5. the application of a kind of locking compress hole in wound steel plate or spinal plate as claimed in claim 1, it is characterized in that, the concrete steps of its application are, coordinate the os integumentale screw of bulb or cancellous bone screw to use and realize loaded reset, implant from one end, cylinder inclined-plane, be screwed into and carry out loaded reset; Simultaneously when pressurizeing again in outside, ball screw can move along through hole, and the maximum distance resetted that allows is the distance of face of cylinder II axis and conical surface axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204546.9A CN105078557A (en) | 2014-05-14 | 2014-05-14 | Locking and compressing hole and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204546.9A CN105078557A (en) | 2014-05-14 | 2014-05-14 | Locking and compressing hole and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105078557A true CN105078557A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410204546.9A Pending CN105078557A (en) | 2014-05-14 | 2014-05-14 | Locking and compressing hole and application thereof |
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| Country | Link |
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| CN (1) | CN105078557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496537A (en) * | 2015-12-31 | 2016-04-20 | 林列 | Internal fixation steel plate for sternoclavicular joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080058815A1 (en) * | 2003-03-26 | 2008-03-06 | Swiss Orthopedic Solutions S.A. | Locking bone plate |
| CN201085675Y (en) * | 2007-07-23 | 2008-07-16 | 山东威高骨科材料有限公司 | Steel plate for fixation of fracture |
| EP2016918A1 (en) * | 2007-07-18 | 2009-01-21 | Mario Angel Pizzicara | Blocked plate with combined holes, stability control and double angulation, to join fractured bones |
| CN201519187U (en) * | 2009-11-02 | 2010-07-07 | 常州迪恩医疗器械有限公司 | Locking compression bone plate |
| CN202128537U (en) * | 2011-06-09 | 2012-02-01 | 浙江科惠医疗器械有限公司 | Locking and pressing bone fracture plate |
| CN203970523U (en) * | 2014-05-14 | 2014-12-03 | 常州市康辉医疗器械有限公司 | A kind of locking compress hole |
-
2014
- 2014-05-14 CN CN201410204546.9A patent/CN105078557A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080058815A1 (en) * | 2003-03-26 | 2008-03-06 | Swiss Orthopedic Solutions S.A. | Locking bone plate |
| EP2016918A1 (en) * | 2007-07-18 | 2009-01-21 | Mario Angel Pizzicara | Blocked plate with combined holes, stability control and double angulation, to join fractured bones |
| CN201085675Y (en) * | 2007-07-23 | 2008-07-16 | 山东威高骨科材料有限公司 | Steel plate for fixation of fracture |
| CN201519187U (en) * | 2009-11-02 | 2010-07-07 | 常州迪恩医疗器械有限公司 | Locking compression bone plate |
| CN202128537U (en) * | 2011-06-09 | 2012-02-01 | 浙江科惠医疗器械有限公司 | Locking and pressing bone fracture plate |
| CN203970523U (en) * | 2014-05-14 | 2014-12-03 | 常州市康辉医疗器械有限公司 | A kind of locking compress hole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496537A (en) * | 2015-12-31 | 2016-04-20 | 林列 | Internal fixation steel plate for sternoclavicular joint |
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Application publication date: 20151125 |
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