CN208319299U - A kind of calcaneum Universal lock fixed board - Google Patents
A kind of calcaneum Universal lock fixed board Download PDFInfo
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- CN208319299U CN208319299U CN201721064947.4U CN201721064947U CN208319299U CN 208319299 U CN208319299 U CN 208319299U CN 201721064947 U CN201721064947 U CN 201721064947U CN 208319299 U CN208319299 U CN 208319299U
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- connecting plate
- plate section
- ring part
- lockplate
- calcaneum
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Abstract
The utility model discloses a kind of calcaneum Universal lock fixed boards, including several ring parts, each ring part passes through peripheral connecting plate section and is connected with each other, screw hole on each ring part at least one be universal screw hole, lockplate, which integrally arches upward to front, makes the back side of lockplate form imploded arcs planar, the front of all peripheral connecting plate section and two middle connecting plate sections is seamlessly transitted with the front of ring part, the reverse side of all peripheral connecting plate section and two middle connecting plate sections is lower than the reverse side of ring part, the back side of longest peripheral connecting plate section is provided at least one support protrusion in longer middle connecting plate section and each peripheral connecting plate section in two middle connecting plate sections, the support protrusion is consistent with its nearest rear-side height of a ring part.The contact surface of the lockplate and root bone is smaller, is more convenient postoperative blood flow, is convenient for post-operative recovery, simultaneously, it is ensured that lockplate more rationally and is stablized with the contact of root bone.
Description
Technical field
The utility model relates to a kind of lockplate more particularly to a kind of a kind of calcaneum universal locks used on root bone
Plate.
Background technique
The dissection of calcaneum is extremely complex, it has multiple articular surfaces and bone raised structures, therefore, the treatment of fracture of calcaneus
It is more difficult, and because there is pain when traumatic arthritis and calcaneum weight bearing occurs in the patient of malpractice or delay treatment
Patient is also very common.Calcaneal plate is mostly branch shape bone plate in existing technology, and such bone plate stability is poor, nothing
Method resists biggish twisting resistance and be easy to cause secondary displacement；Can fixed range it is relatively narrow, comminuted fracture of calcaneus can not be positioned.It deposits
In the technical problems such as fixed range is narrow, stability maintenance is poor.
Also have closed bone lockplate at present, so closed bone lockplate has a disadvantage at present: 1. is current
Contact between root bone lockplate and bone tissue is therefore face contact causes blood flow unsmooth；2. current root bone lockplate
The fixed angle of screw is fixed angle, bad adaptability.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of calcaneum Universal lock fixed board, the lockplate and root bone
Contact surface it is smaller, be more convenient postoperative blood flow, be convenient for post-operative recovery, simultaneously, it is ensured that lockplate and the contact of root bone are more
Adduction is managed and is stablized.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of calcaneum Universal lock fixed board, including it is several
A ring part for being used to be installed on lock screw, each ring part have been interconnected to form polygon knot by peripheral connecting plate section
The shape of structure, the profile and calcaneum lateral profile of the polygonized structure is similar, and screw hole, the hole of screw hole are provided on each ring part
Diameter is equal with the width of peripheral connecting plate section, at least one is universal screw hole to the screw hole on each ring part, the lockplate
The back side and calcaneum cooperate, and lockplate, which integrally arches upward to front, makes the back side of lockplate form imploded arcs planar, wherein in locking
Four ring parts connection in plate middle position is there are two middle connecting plate section, and the middle connecting plate section is by the locking of polygonized structure
The front of three regions of plate division, all peripheral connecting plate sections and two middle connecting plate sections is smooth with the front of ring part
The reverse side of transition, all peripheral connecting plate sections and two middle connecting plate sections is lower than the reverse side of ring part and anti-with ring part
The height inequality in face is equal；In longer middle connecting plate section and each peripheral connecting plate section in two middle connecting plate sections most
The back side of long peripheral connecting plate section is provided at least one support protrusion, the support protrusion and its nearest ring part
Rear-side height it is consistent.
As a preferred solution, the support in the longer middle connecting plate section and longest peripheral connecting plate section
Protrusion is cylindrical protrusions, and quantity is two.
As a preferred solution, the back side of the longer middle connecting plate section and longest peripheral connecting plate section is equal
It is provided with strip groove, which is respectively positioned between corresponding two support protrusions.
As a preferred solution, the end face of the support protrusion is recessed inner concave arc surface to front.
As a preferred solution, the edge of the peripheral connecting plate section and middle connecting plate section is provided with arc mistake
Cross face.
As a preferred solution, the quantity of the ring part is 11, and the middle connecting plate section is by polygon
Lockplate is divided into a heptagon and two quadrangles, wherein institute is provided on the ring part as heptagonal vertex
The universal screw hole stated.
After above-mentioned technical proposal, the effect of the utility model is: screw hole on 1. each ring parts at least one
For universal screw hole, the back side of the lockplate and calcaneum cooperate, and lockplate, which integrally arches upward to front, forms the back side of lockplate
Imploded arcs planar adapts to different fracture situations in this way, the lockplate facilitates the implantation of Universal screw nail, meanwhile, lockplate is to just
Face is arched upward, and therefore, is more coincide with the shape of root bone；2. wherein four ring parts in lockplate middle position are connected with two
The lockplate of polygonized structure is divided three regions, can be improved so whole by a middle connecting plate section, the middle connecting plate section
Body intensity；3. the front of all peripheral connecting plate section and two middle connecting plate sections is seamlessly transitted with the front of ring part,
The reverse side of all peripheral connecting plate section and two middle connecting plate sections lower than ring part reverse side and with the reverse side of ring part
Height inequality is equal, and locking back is the point contact of part so that it is convenient to which blood flow, accelerates extensive with the contact of root bone
It is multiple；And simultaneously, it is longest outer in the longer middle connecting plate section and each peripheral connecting plate section in two middle connecting plate sections
The back side for enclosing connecting plate section is provided at least one support protrusion, the back side of the support protrusion and its nearest ring part
It is highly consistent, in this way, contacting the longer peripheral connecting plate section of length and middle connecting plate Duan Yugen bone using support protrusion
Support supports more reliable and more stable.
Again since to be provided with strip recessed at the back side of the longer middle connecting plate section and longest peripheral connecting plate section
Slot, the strip groove are respectively positioned between corresponding two support protrusions, and it is solid by screw which can reduce lockplate
Stress after fixed is released.
Again since the end face of the support protrusion is recessed inner concave arc surface to front, in this way, each support protrusion and root
The contact support of bone is more stable.
Again since the edge of the peripheral connecting plate section and middle connecting plate section is provided with arc transiting surface, arc-shaped transition
Face can be convenient for surgery recovery to avoid burr.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram at the back side of the utility model embodiment；
Fig. 2 is the positive structural schematic diagram of the utility model embodiment；
Fig. 3 is enlarged diagram of the Fig. 1 at I；
Fig. 4 is enlarged diagram of the Fig. 2 at II；
In attached drawing: 1. ring parts；2. peripheral connecting plate section；3. the first middle connecting plate section；4. the second middle connecting plate section；
5. longest periphery connecting plate section；6. universal screw hole；7. common screw hole；8. support protrusion；9. strip groove；10. arc-shaped transition
Face；11. flower-shape slot；12. inner concave arc surface.
Specific embodiment
The utility model is described in further detail below by specific embodiment.
As shown in Figures 1 to 4, a kind of calcaneum Universal lock fixed board, the lockplate are made of titanium material comprising several
For being installed on the ring part 1 of lock screw, each ring part 1 passes through peripheral connecting plate section 2 and has been interconnected to form polygon knot
The shape of structure, the profile and calcaneum lateral profile of the polygonized structure is similar, is provided with screw hole on each ring part 1, screw hole
Aperture is equal with the width of peripheral connecting plate section 2, at least one is universal screw hole 6 to the screw hole on each ring part 1, the locking
The back side of plate and calcaneum cooperate, and lockplate, which integrally arches upward to front, makes the back side of lockplate form 12 shape of inner concave arc surface, wherein locating
In lockplate middle position the connection of four ring parts 1 there are two middle connecting plate section, the middle connecting plate section is by polygon knot
The lockplate of structure divides three regions, and in the present embodiment, the quantity of the ring part 1 is 11, and the middle connecting plate section will
The lockplate of polygon is divided into a heptagon and two quadrangles, as shown in Figure 1,3 side of the first middle connecting plate section
Two ring parts and two ring parts of itself connection constitute quadrilateral structure, and are common screw hole 7, connect among second
Encircled a city between fishplate bar section 4 and the first middle connecting plate section 3 quadrangle, wherein as on the ring part 1 on heptagonal vertex
Provided with the universal screw hole 6.Screw hole on other ring part 1 is common screw hole 7, which is in common spiral shell
A flower-shape slot 11 is being opened on hole 7, is being ground one's teeth in this way, can facilitate to be formed when installing lock screw, so that locking angle is adjusted,
Form universal screw hole 6.
The front of all peripheral connecting plate section 2 and two middle connecting plate sections is seamlessly transitted with the front of ring part 1,
In this way, the contact between musculature and lockplate is smooth, reduction foreign body sensation after muscle suture.
The reverse side of all peripheral connecting plate section 2 and two middle connecting plate sections lower than ring part 1 reverse side and with annular
The height inequality of the reverse side in portion 1 is equal；Longer middle connecting plate section and each periphery connection in two middle connecting plate sections
The back side of longest periphery connecting plate section 5 is provided at least one support protrusion 8 in plate section 2, serial number 4 and sequence as shown in figure 1
Shown in numbers 5, serial number 4 identifies longer intermediate linkage section, and serial number 5 identifies longest peripheral connecting plate section 5, the support protrusion
8 is consistent with its nearest rear-side height of a ring part 1.The longer middle connecting plate section and longest periphery connection
Support protrusion 8 in plate section 5 is cylindrical protrusions, and quantity is two.The longer middle connecting plate section and longest outer
The back side for enclosing connecting plate section 5 is provided with strip groove 9, which is respectively positioned between corresponding two support protrusions 8.
The longer connecting plate section of length can preferably support fixation after using above-mentioned support fixed solution, avoid connecting plate section
Deformation.The end face of the support protrusion 8 is recessed inner concave arc surface 12 to front.The periphery connecting plate section 2 and intermediate connection
The edge of plate section is provided with arc transiting surface 10, which is formed using the technique of circular arc chamfering.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention
It is fixed, on the basis of not departing from design spirit of the present invention, to various modifications and transformation that technical solution of the present invention is made, it should all fall
Enter in the protection scope that claims of the present invention determines.
Claims (6)
1. a kind of calcaneum Universal lock fixed board, is used to be installed on the ring part of lock screw including several, each ring part passes through outer
It encloses connecting plate section and has been interconnected to form polygonized structure, the shape phase of the profile and calcaneum lateral profile of the polygonized structure
It is imitative, screw hole is provided on each ring part, it is characterised in that: the aperture of screw hole is equal with the width of peripheral connecting plate section, each ring
At least one is universal screw hole for screw hole in shape portion, and the back side of the lockplate and calcaneum cooperate, and lockplate is whole to front
Arching upward makes the back side of lockplate form imploded arcs planar, wherein there are two the connections of four ring parts in lockplate middle position
The lockplate of polygonized structure is divided three regions, all peripheral connecting plates by middle connecting plate section, the middle connecting plate section
Front of the front of section and two middle connecting plate sections with ring part seamlessly transits, in all peripheral connecting plate sections and two
Between connecting plate section reverse side lower than the reverse side of ring part and equal with the height inequality of the reverse side of ring part；Two middle connecting plates
The back side of longest peripheral connecting plate section is provided in longer middle connecting plate section and each peripheral connecting plate section in section
At least one support protrusion, the support protrusion are consistent with its nearest rear-side height of a ring part.
2. a kind of calcaneum Universal lock fixed board as described in claim 1, it is characterised in that: the longer middle connecting plate section and
Support protrusion in longest periphery connecting plate section is cylindrical protrusions, and quantity is two.
3. a kind of calcaneum Universal lock fixed board as claimed in claim 2, it is characterised in that: the longer middle connecting plate section and
The back side of longest periphery connecting plate section is provided with strip groove, the strip groove be respectively positioned on corresponding two support protrusions it
Between.
4. a kind of calcaneum Universal lock fixed board as claimed in claim 3, it is characterised in that: the end face of the support protrusion is to front
It is recessed inner concave arc surface.
5. a kind of calcaneum Universal lock fixed board as claimed in claim 4, it is characterised in that: the periphery connecting plate section and centre connect
The edge of fishplate bar section is provided with arc transiting surface.
6. a kind of calcaneum Universal lock fixed board as claimed in claim 5, it is characterised in that: the quantity of the ring part is 11,
The lockplate of polygon is divided into a heptagon and two quadrangles by the middle connecting plate section, wherein as heptagon
Vertex ring part on be provided with the universal screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064947.4U CN208319299U (en) | 2017-08-24 | 2017-08-24 | A kind of calcaneum Universal lock fixed board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064947.4U CN208319299U (en) | 2017-08-24 | 2017-08-24 | A kind of calcaneum Universal lock fixed board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208319299U true CN208319299U (en) | 2019-01-04 |
Family
ID=64787512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721064947.4U Active CN208319299U (en) | 2017-08-24 | 2017-08-24 | A kind of calcaneum Universal lock fixed board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208319299U (en) |
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2017
- 2017-08-24 CN CN201721064947.4U patent/CN208319299U/en active Active
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