CN211325508U - Proximal tibia lateral special-shaped block - Google Patents
Proximal tibia lateral special-shaped block Download PDFInfo
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- CN211325508U CN211325508U CN201922395641.2U CN201922395641U CN211325508U CN 211325508 U CN211325508 U CN 211325508U CN 201922395641 U CN201922395641 U CN 201922395641U CN 211325508 U CN211325508 U CN 211325508U
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Abstract
The utility model relates to a shin bone near-end outside dysmorphism piece, shin bone near-end outside dysmorphism piece are platelike structure, specifically include: first fixed part and second fixed part, first fixed part and second fixed part are connected: the inner surface of the first fixing part is an arc surface; the first fixing portion includes: the front side top locking screw hole is positioned at the front side position of the top of the first fixing part; the middle position top locking screw hole is positioned in the middle position of the top of the first fixing part; the rear top locking screw hole is positioned at the rear side of the top of the first fixing part; the first inclined insertion locking screw hole is positioned in the middle of the first fixing part; a lower locking screw hole located at the lower part of the first fixing part; the second fixing portion includes: the locking screw hole is positioned on the surface of the second fixing part; the front side connecting screw hole is positioned at the front side position of the side surface of the second fixing part; the rear side is connected the screw, is located the rear side position of second fixed part side.
Description
Technical Field
The utility model relates to an orthopedics medical instrument field especially relates to a shin bone near-end outside dysmorphism piece.
Background
Tibial fractures are a common type of fracture, particularly prone to occur in young ethnic groups and in elderly patients with osteoporosis, and treatment of distal tibial fractures has historically been more controversial.
The traditional steel plate is approximately straight, large in size, large in stimulation to soft tissues, incapable of fixing a plurality of crushed fracture blocks, fixed in a single direction by a screw, poor in fixing firmness, incapable of fixing a plurality of fracture blocks simultaneously, and long in external fixation protection time after the operation, and is easy to cause bone atrophy, stiff in joints and capable of influencing prognosis of fracture.
Disclosure of Invention
The utility model aims at providing a shin bone near-end outside dysmorphism piece, its interior surface design is smooth and have special camber, change in attached in shin bone, cladding nature better, smooth surface does benefit to and improves biocompatibility, increase of service life reduces required bone nail number, alleviates patient's uncomfortable and feels.
In order to achieve the above object, the utility model provides a shin bone near-end outside dysmorphism piece, shin bone near-end outside dysmorphism piece is platelike structure, shin bone near-end outside dysmorphism piece specifically includes: first fixed part and second fixed part, first fixed part and second fixed part are connected:
the inner surface of the first fixing part is an arc-shaped surface, is matched with the curved surface at the upper end of the outer side of the tibia and is used for being fixed on the outer side of the tibia; the first fixing portion includes:
the front side top locking screw hole is positioned at the front side position of the top of the first fixing part, when a first locking screw penetrates through the front side top locking screw hole, a first upper screwing part of the first locking screw is in screwed connection with the front side top locking screw hole, and a normal vertical direction inclination angle of a plane where the first locking screw and the second fixing part are positioned is a first vertical inclination angle; the normal horizontal direction inclination angle of the plane where the first locking screw and the second fixing part are located is a first horizontal inclination angle;
a middle position top locking screw hole which is positioned in the middle position of the top of the first fixing part, after a second locking screw penetrates through the middle position top locking screw hole, a second upper screwing part of the second locking screw is in screwed connection with the middle position top locking screw hole, and the normal vertical direction inclination angle of the plane where the second locking screw and the second fixing part are positioned is a second vertical inclination angle; the normal horizontal direction inclination angle of the plane where the second locking screw and the second fixing part are located is a second horizontal inclination angle;
a rear top locking screw hole located at the rear side of the top of the first fixing part, wherein when a third locking screw penetrates through the rear top locking screw hole, a third upper screwing part of the third locking screw is screwed with the rear top locking screw hole, and a normal vertical direction inclination angle of a plane where the third locking screw and the second fixing part are located is a third vertical inclination angle; the normal horizontal direction inclination angle of the plane where the third locking screw and the second fixing part are located is a third horizontal inclination angle;
the first oblique inserting locking screw hole is positioned in the middle of the first fixing part, after a fourth locking screw penetrates through the first oblique inserting locking screw hole, a fourth upper screwing part of the fourth locking screw is in screwed connection with the first oblique inserting locking screw hole, and a normal vertical direction inclination angle of a plane where the fourth locking screw and the second fixing part are positioned is a fourth vertical inclination angle; the normal horizontal direction inclination angle of the plane where the fourth locking screw and the second fixing part are located is a fourth horizontal inclination angle; the fourth vertical inclination angle is intersected with the first vertical inclination angle, the second vertical inclination angle and the third vertical inclination angle respectively;
a lower locking screw hole which is positioned at the lower part of the first fixing part, wherein after a fifth locking screw penetrates through the lower locking screw hole, a fifth upper screwing part of the fifth locking screw is in screwed connection with the lower locking screw hole, and a vertical direction inclination angle of a normal direction of a plane where the fifth locking screw and the second fixing part are positioned is a fifth vertical inclination angle; the normal horizontal direction inclination angle of the plane where the fifth locking screw and the second fixing part are located is a fifth horizontal inclination angle;
the second fixing portion includes:
the locking screw hole is positioned on the surface of the second fixing part;
the front side connecting screw hole is positioned at the front side position of the side surface of the second fixing part, and the aperture of the front side connecting screw hole is a first aperture;
the rear side connecting screw hole is positioned at the rear side of the side surface of the second fixing part, and the aperture of the rear side connecting screw hole is a second aperture;
the first connecting rod is inserted into the front side connecting screw hole, the second connecting rod is inserted into the rear side connecting screw hole, when the sixth locking screw penetrates through the locking screw hole, the sixth upper screwing part of the sixth locking screw is in screwed connection with the locking screw hole, so that the front side connecting screw hole and the rear side connecting screw hole are extruded, and the first connecting rod and the second connecting rod are fixedly connected with the second fixing part.
Preferably, the first vertical inclination angle, the second vertical inclination angle and the third vertical inclination angle are equal.
Preferably, the first horizontal inclination angle and the fourth horizontal inclination angle are equal.
Preferably, the first vertical inclination angle, the second vertical inclination angle and the third vertical inclination angle range from 6 to 10 °, the fourth vertical inclination angle range from 30 to 35 °, and the fifth vertical inclination angle range from 12 to 17 °.
Preferably, the first horizontal inclination angle and the fourth horizontal inclination angle range from 10 to 15 °, the second horizontal inclination angle ranges from 10 to 14 °, the third horizontal inclination angle ranges from 5 to 10 °, and the fifth horizontal inclination angle ranges from 18 to 23 °.
Preferably, the curvature radius of the bottom edge of the horizontal section at the top of the first fixing part is R1, and the value range of R1 is 25-30 mm;
the curvature radius of the bottom edge of a horizontal tangent plane between the first inclined insertion locking screw hole and the lower locking screw hole of the first fixing part is R2, and the value range of R2 is 60-65 mm.
Preferably, the first fixing part further comprises a positioning hole;
the positioning hole is located the top of first fixed part is close to the edge for fix dysmorphism piece temporarily or thread suture or cable in the operation.
Preferably, the first aperture of the front side connection screw hole and the second aperture of the rear side connection screw hole are equal or different.
The embodiment of the utility model provides a pair of shin bone near-end outside dysmorphism piece, its design is platelike structure, and the fixed design of multiple spot multi-angle promotes that attachability and cladding nature, biocompatibility are strong, and then fixes more firmly when alleviateing patient's uncomfortable sense.
Drawings
Fig. 1 is a top view of a proximal lateral tibial profile block provided in an embodiment of the present invention;
fig. 2 is a side view (a) of a proximal lateral tibial profile block provided in an embodiment of the present invention;
fig. 3 is a side view (ii) of the proximal lateral tibial profile block provided in the embodiment of the present invention;
FIG. 4 is a cross-sectional view of portion A-A of FIG. 1;
FIG. 5 is a cross-sectional view of portion B-B of FIG. 1;
fig. 6 is a cross-sectional view of the portion C-C in fig. 1.
Detailed Description
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
The embodiment of the utility model provides a shin bone near-end outside dysmorphism piece 6, this dysmorphism piece is applied to the fixed of fracture position in the shin bone fracture operation.
Fig. 1 is the utility model provides a top view of shin bone near-end outside dysmorphism piece, as shown in the figure, the utility model discloses the shin bone near-end outside dysmorphism piece 6 of embodiment is platelike structure, and shin bone near-end outside dysmorphism piece 6 specifically includes: a first fixing portion 61 and a second fixing portion 62.
The first fixing portion 61 and the second fixing portion 62 are connected and integrally formed.
Preferably, in this embodiment, the plane where the second fixing portion 62 is located is set as a first plane, a plane parallel to the horizontal direction of the normal of the first plane is set as a second plane, and a plane parallel to the vertical direction of the normal of the first plane is set as a third plane; the side of the first fixing portion 61 parallel to the long side of the proximal tibial lateral section 6 is defined as the anterior side of the proximal tibial lateral section 6, extending from the long side to the short side, and the distal side of the short side of the first fixing portion 61 is defined as the posterior side of the proximal tibial lateral section 6.
First fixed part 61 surface is the arc curved surface for having certain radian, is provided with a plurality of locking screw holes and round hole along first fixed part 61 minor face direction on the arc curved surface, and first fixed part 61 internal surface is the arc surface, with the curved surface looks adaptation of shin bone outside upper end, first fixed part 61 is fixed in the bone surface in the shin bone outside through locking screw.
The first fixing portion 61 specifically includes: a front top locking screw hole 610, a middle top locking screw hole 611, a rear top locking screw hole 612, a first angled locking screw hole 613, a lower locking screw hole 614, and a positioning hole 615.
A front top locking screw hole 610 located at the front side of the top of the first fixing portion 61, the front top locking screw hole 610 being internally formed by an upper edge portion and a lower edge portion, the upper edge portion having a smooth curved surface, the lower edge portion having a fastening thread, the front top locking screw hole 610 being configured to attach and fix the inner surface of the first fixing portion 61 to the bone surface of the upper end of the outer side of the tibia by a locking screw;
in a specific embodiment, after the first locking screw is inserted into the front side top locking screw hole 610, the first upper screw-connecting portion of the first locking screw is screwed with the lower edge portion of the front side top locking screw hole 610, and as the first upper screw-connecting portion is screwed with the fastening screw and bites, the screw cap portion of the first locking screw stays in the upper edge portion of the front side top locking screw hole 610, the screw portion and the screw head portion of the first locking screw are respectively inserted into the bone after passing through the front side top locking screw hole 610, and during the insertion process, the inclination angle formed by the first locking screw and the third plane is a first vertical inclination angle α, and the first vertical inclination angle α ranges from 6 ° to 10 °; the inclination angle formed by the first locking screw and the second plane is a first horizontal inclination angle alpha ', and the range of the first horizontal inclination angle alpha' is 10-15 degrees.
A middle position top locking screw hole 611 located at a middle position of the top of the first fixing portion 61 and interposed between the front side top locking screw hole 610 and the rear side top locking screw hole 612, similarly, an inside of the middle position top locking screw hole 611 and an inside of the front side top locking screw hole 610 have an upper edge portion and a lower edge portion, and the middle position top locking screw hole 611 has the same function as the front side top locking screw hole 610;
in a specific embodiment, after the second locking screw is inserted into the middle top locking screw hole 611, the second upper screw portion of the second locking screw is screwed with the lower edge portion of the middle top locking screw hole 611, and as the second upper screw portion is screwed with the fastening screw and bites, the screw cap portion of the second locking screw stays in the upper edge portion of the middle top locking screw hole 611, the screw shaft portion and the screw head portion of the second locking screw are inserted into the bone after passing through the middle top locking screw hole 611, respectively, and during the insertion process, the inclination angle formed by the second locking screw and the third plane is the second vertical inclination angle β; the inclination angle formed by the second locking screw and the second plane is a second horizontal inclination angle beta ', and the range of the second horizontal inclination angle beta' is 10-14 degrees.
A rear top locking screw hole 612 provided at a top rear side of the first fixing portion 61, and similarly, an inside of the rear top locking screw hole 612 has an upper edge portion and a lower edge portion as well as an inside of the front top locking screw hole 610, and the rear top locking screw hole 612 functions as the front top locking screw hole 610;
in a specific embodiment, after the third locking screw is inserted into the rear side top locking screw hole 612, the third upper screw-connecting portion of the third locking screw is screwed with the lower edge portion of the rear side top locking screw hole 612, and as the third upper screw-connecting portion is screwed and bitten with the fastening screw, the screw cap portion of the third locking screw stays in the upper edge portion of the rear side top locking screw hole 612, the screw portion and the head portion of the third locking screw are inserted into the bone after passing through the rear side top locking screw hole 612, respectively, and during the insertion process, the inclination angle formed by the third locking screw and the third plane is the third vertical inclination angle γ; the inclination angle formed by the third locking screw and the second plane is a third horizontal inclination angle gamma ', and the range of the third horizontal inclination angle gamma' is 5-10 degrees.
A first inclined insertion locking screw hole 613 positioned at a middle portion of the first fixing portion 61, similarly, an inside of the first inclined insertion locking screw hole 613 having an upper edge portion and a lower edge portion as well as an inside of the front side top locking screw hole 610, the first inclined insertion locking screw hole 613 functioning as the front side top locking screw hole 610;
in a specific embodiment, after the fourth locking screw is inserted into the first oblique insertion locking screw hole 613, a fourth upper screw portion of the fourth locking screw is screwed with a lower edge portion of the first oblique insertion locking screw hole 613, and as the fourth upper screw portion is screwed and engaged with the fastening screw, a screw cap portion of the fourth locking screw stays within an upper edge portion of the first oblique insertion locking screw hole 613, a screw portion and a head portion of the fourth locking screw are respectively inserted into the bone after passing through the first oblique insertion locking screw hole 613, and during the implantation, an inclination angle formed by the fourth locking screw and the third plane is a fourth vertical inclination angle, the fourth vertical inclination angle ranges from 30 to 35 °, and the fourth vertical inclination angle intersects with the first vertical inclination angle α, the second vertical inclination angle β, and the third vertical inclination angle γ, respectively; the angle of inclination formed by the fourth locking screw and the second plane is a fourth horizontal angle of inclination'.
As shown in fig. 2, the first vertical inclination angle α, the second vertical inclination angle β, and the third vertical inclination angle γ are the same; as shown in fig. 3, the first horizontal inclination angle α 'and the fourth horizontal inclination angle' are equal.
A lower locking screw hole 614 provided at a lower portion of the first fixing portion 61, and similarly, having an upper edge portion and a lower edge portion inside the lower locking screw hole 614 as well as inside the front side top locking screw hole 610, the lower locking screw hole 614 having the same function as the front side top locking screw hole 610;
in a specific embodiment, after the fifth locking screw is inserted into the lower locking screw hole 614, the fifth upper screw part of the fifth locking screw is screwed with the lower edge part of the lower locking screw hole 614, and as the fifth upper screw part is screwed with the fastening screw and bites, the nut part of the fifth locking screw stays in the upper edge part of the lower locking screw hole 614, the screw part and the head part of the fifth locking screw respectively pass through the lower locking screw hole 614 and are implanted into the bone, and during the implantation, the inclination angle formed by the fifth locking screw and the third plane is a fifth vertical inclination angle, and the fifth vertical inclination angle ranges from 12 ° to 17 °; the inclination angle formed by the fifth locking screw and the second plane is a fifth horizontal inclination angle' which ranges from 18 degrees to 23 degrees.
As shown in fig. 2, the fourth vertical inclination is greater than the first vertical inclination α, the second vertical inclination β, the third vertical inclination γ, and the fifth vertical inclination; as shown in fig. 3, the fifth horizontal inclination ' is greater than the first horizontal inclination α ', the second horizontal inclination β ', the third horizontal inclination γ ', and the fourth horizontal inclination '.
The positioning hole 615 is formed by a circular hole, is located at the side of the middle position of the top of the first fixing portion 71, which is close to the front end of the first fixing portion 61, and specifically includes a first positioning hole 6150 and a second positioning hole 6151; wherein the first positioning hole 6150 is located between the front side top locking screw hole 610 and the middle top locking screw hole 611, the second positioning hole 6151 is located between the middle top locking screw hole 611 and the rear side top locking screw hole 612, the aperture of the positioning hole 615 is smaller than that of the locking screw hole, and the positioning hole 615 is used for temporarily fixing a special-shaped block or threading a suture or a cable in an operation.
FIG. 5 is a cross-sectional view of portion B-B of FIG. 1, and FIG. 6 is a cross-sectional view of portion C-C of FIG. 1; as shown in fig. 5 and 6, the curvature radius of the arc surface of the inner surface of the first fixing portion 61, which extends from the top to the middle, is gradually increased, and the curvature radius R of the bottom edge of the horizontal section of the top of the first fixing portion 61 is in the range of 25-30 mm; the radius of curvature R2 of the bottom edge of the horizontal section between the first oblique-insertion locking screw hole 613 and the lower locking screw hole 614 is 60-65 mm.
Fig. 4 is a cross-sectional view of a portion a-a in fig. 1, and as shown in fig. 1 and fig. 4, an outer surface of the second fixing portion 62 is configured as an arc-shaped curved surface having a certain curvature, two adjacent locking screw holes 620 are disposed in the arc-shaped curved surface and are spaced apart from each other at a certain distance along a long axis direction of the second fixing portion 62, an inner portion of each locking screw hole 620 is specifically composed of an upper edge 6201 and a lower edge 6202, a surface of the upper edge 6201 is a smooth curved surface and is matched with an upper screwing portion of a locking screw, a surface of the lower edge 6202 is provided with a fastening screw, an intermediate groove 623 is disposed between the upper edge 6201 and the lower edge 6202; the inner surface of the second fixing part 62 is also provided with an arc-shaped curved surface with a certain radian at the part jointed with the tibia backbone, and the radian of the arc-shaped curved surface of the inner surface of the second fixing part 62 can be adapted according to different patients and different fracture parts, so that the special-shaped block 6 at the outer side of the proximal end of the tibia is more jointed with the surface of the tibia; the side of the second fixing portion 62 is provided with a front side connection screw hole 621 and a rear side connection screw hole 622 respectively, the front side connection screw hole 621 and the rear side connection screw hole 622 are arranged in parallel along the long axis direction of the second fixing portion 62 and are located on both sides of the locking screw hole 620 respectively, and the front side connection screw hole 621 and the rear side connection screw hole 622 are used for firmly connecting the connecting rod 2 with the tibia near-end outer profile block 6 through a locking screw.
A front side connection screw hole 621 positioned at the front side of the side surface of the second fixing portion 62, the front side connection screw hole 621 having a first hole diameter D1;
a rear connection screw hole 622 located at a rear side of a side surface of the second fixing portion 62, the rear connection screw hole 622 having a second hole diameter D2;
wherein the first and second apertures D1 and D2 are equal or different, and the apertures of the anterior and posterior connecting screw holes 621 and 622 are configured differently to specifically conform to the shape and characteristics of the asian bones.
The intersection of the front and rear connection screw holes 621 and 622 and the locking screw hole 620 in the second fixing portion 62 has a cross hole 624, and the cross hole 624 is mainly used for pressing the connecting rod 2 by the locking screw, thereby fixing the connecting rod 2 in the second fixing portion 62.
In a specific embodiment, the first connecting rod 20 is inserted into the front connecting screw hole 621, the second connecting rod 21 is inserted into the rear connecting screw hole 622, after two sixth locking screws are respectively inserted into two adjacent locking screw holes 620, the sixth upper screw portion of the sixth locking screw is screwed with the lower edge portion of the locking screw hole 620, as the sixth upper screw portion is screwed and bitten with the fastening screw, the gap of the middle groove 623 is further compressed, the screw cap portion of the sixth locking screw is stopped in the upper edge portion of the locking screw hole 620, the first connecting rod 20 and the second connecting rod 21 are fixed to the second fixing portion 62 through the cross hole 624 while pressing the front connecting screw hole 621 and the rear connecting screw hole 622, respectively, and the screw portion and the head portion of the sixth locking screw are respectively inserted into the bone after passing through the locking screw holes 620.
The above is a description of the components of the proximal tibia lateral special-shaped block 6 and the connection relationship between them provided by the embodiment of the present invention, and the following describes in detail the usage of the proximal tibia lateral special-shaped block 6 with reference to fig. 1 and 4;
when a doctor uses the proximal tibia outside special-shaped block 6 to fix a fracture part in a tibia fracture operation, a locking screw needs to be matched with the connecting rod 2 for use. The process used in conjunction is described in detail below.
In a specific tibial fracture operation, a surgeon aligns and fits the first fixing portion 61 of the proximal tibial outer profile block 6 with the bone surface of the upper end of the outer side of the tibia, inserts locking screws into the anterior top locking screw 610, the medial top locking screw 611, and the posterior top locking screw 612, respectively, inserts the locking screws into the locking screw, inserts the upper threaded portion of the locking screw into the lower edge portion of the locking screw, inserts the screw cap portion of the locking screw into the upper edge portion of the locking screw as the upper threaded portion is threaded and gripped by the fastening screw, inserts the screw head portion of the locking screw into the bone, and finally inserts the first fixing portion 61 of the proximal tibial outer profile block 6 into the bone surface of the outer side of the tibia, inserts the first connecting rod 20 and the second connecting rod 21 into the anterior connecting screw 621 and the posterior connecting screw 622 in sequence, meanwhile, the locking screws are respectively arranged in two adjacent locking screw holes 620 in a penetrating way, after the locking screws are arranged in the locking screw holes 620, the upper screwing parts of the locking screws are screwed with the lower edges 6202 of the locking screw holes 620, along with the screwing and the fastening screw threads, the screw cap parts of the locking screws are stopped in the upper edges 6201 of the locking screw holes 620, the gaps of the middle grooves 623 are further compressed, the locking screws respectively press the front side connecting screw holes 621 and the rear side connecting screw holes 622 and simultaneously fixedly connect the first connecting rod 20 and the second connecting rod 21 with the second fixing part 62 through the cross holes 624, the screw rod parts and the screw head parts of the locking screws respectively penetrate through the locking screw holes 620 and then are implanted into the bone, and therefore, the proximal outer side special-shaped blocks 6 of the tibia and the proximal end of the tibia are completely fixed.
The embodiment of the utility model provides a pair of shin bone near-end outside dysmorphism piece, its design is platelike structure, and the fixed design of multiple spot multi-angle promotes that attachability and cladding nature, biocompatibility are strong, and then fixes more firmly when alleviateing patient's uncomfortable sense.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a shin bone near-end outside dysmorphism piece, its characterized in that, shin bone near-end outside dysmorphism piece is platelike structure, shin bone near-end outside dysmorphism piece specifically includes: first fixed part and second fixed part, first fixed part and second fixed part are connected:
the inner surface of the first fixing part is an arc-shaped surface, is matched with the curved surface at the upper end of the outer side of the tibia and is used for being fixed on the outer side of the tibia; the first fixing portion includes:
the front side top locking screw hole is positioned at the front side position of the top of the first fixing part, when a first locking screw penetrates through the front side top locking screw hole, a first upper screwing part of the first locking screw is in screwed connection with the front side top locking screw hole, and a normal vertical direction inclination angle of a plane where the first locking screw and the second fixing part are positioned is a first vertical inclination angle; the normal horizontal direction inclination angle of the plane where the first locking screw and the second fixing part are located is a first horizontal inclination angle;
a middle position top locking screw hole which is positioned in the middle position of the top of the first fixing part, after a second locking screw penetrates through the middle position top locking screw hole, a second upper screwing part of the second locking screw is in screwed connection with the middle position top locking screw hole, and the normal vertical direction inclination angle of the plane where the second locking screw and the second fixing part are positioned is a second vertical inclination angle; the normal horizontal direction inclination angle of the plane where the second locking screw and the second fixing part are located is a second horizontal inclination angle;
a rear top locking screw hole located at the rear side of the top of the first fixing part, wherein when a third locking screw penetrates through the rear top locking screw hole, a third upper screwing part of the third locking screw is screwed with the rear top locking screw hole, and a normal vertical direction inclination angle of a plane where the third locking screw and the second fixing part are located is a third vertical inclination angle; the normal horizontal direction inclination angle of the plane where the third locking screw and the second fixing part are located is a third horizontal inclination angle;
the first oblique inserting locking screw hole is positioned in the middle of the first fixing part, after a fourth locking screw penetrates through the first oblique inserting locking screw hole, a fourth upper screwing part of the fourth locking screw is in screwed connection with the first oblique inserting locking screw hole, and a normal vertical direction inclination angle of a plane where the fourth locking screw and the second fixing part are positioned is a fourth vertical inclination angle; the normal horizontal direction inclination angle of the plane where the fourth locking screw and the second fixing part are located is a fourth horizontal inclination angle; the fourth vertical inclination angle is intersected with the first vertical inclination angle, the second vertical inclination angle and the third vertical inclination angle respectively;
a lower locking screw hole which is positioned at the lower part of the first fixing part, wherein after a fifth locking screw penetrates through the lower locking screw hole, a fifth upper screwing part of the fifth locking screw is in screwed connection with the lower locking screw hole, and a vertical direction inclination angle of a normal direction of a plane where the fifth locking screw and the second fixing part are positioned is a fifth vertical inclination angle; the normal horizontal direction inclination angle of the plane where the fifth locking screw and the second fixing part are located is a fifth horizontal inclination angle;
the second fixing portion includes:
the locking screw hole is positioned on the surface of the second fixing part;
the front side connecting screw hole is positioned at the front side position of the side surface of the second fixing part, and the aperture of the front side connecting screw hole is a first aperture;
the rear side connecting screw hole is positioned at the rear side of the side surface of the second fixing part, and the aperture of the rear side connecting screw hole is a second aperture;
the first connecting rod is inserted into the front side connecting screw hole, the second connecting rod is inserted into the rear side connecting screw hole, when the sixth locking screw penetrates through the locking screw hole, the sixth upper screwing part of the sixth locking screw is in screwed connection with the locking screw hole, so that the front side connecting screw hole and the rear side connecting screw hole are extruded, and the first connecting rod and the second connecting rod are fixedly connected with the second fixing part.
2. The proximal lateral tibial profile block of claim 1, wherein said first vertical tilt angle, said second vertical tilt angle, and said third vertical tilt angle are equal.
3. The proximal lateral tibial profile block of claim 1, wherein said first horizontal rake angle and said fourth horizontal rake angle are equal.
4. The proximal lateral tibial profile block of claim 1, wherein said first, second and third vertical inclinations are in the range of 6-10 °, said fourth vertical inclination is in the range of 30-35 °, and said fifth vertical inclination is in the range of 12-17 °.
5. The proximal lateral tibial profile block of claim 1, wherein said first and fourth horizontal tilt angles are in the range of 10-15 °, said second horizontal tilt angle is in the range of 10-14 °, said third horizontal tilt angle is in the range of 5-10 °, and said fifth horizontal tilt angle is in the range of 18-23 °.
6. The proximal tibial outer profile block of claim 1, wherein a radius of curvature of a bottom edge of a horizontal section of a top portion of the first fixing portion is R1, and a value of R1 is in a range of 25-30 mm;
the curvature radius of the bottom edge of a horizontal tangent plane between the first inclined insertion locking screw hole and the lower locking screw hole of the first fixing part is R2, and the value range of R2 is 60-65 mm.
7. The proximal lateral tibial profile block of claim 1, wherein said first fixation portion further comprises a positioning hole;
the positioning hole is located the top of first fixed part is close to the edge for fix dysmorphism piece temporarily or thread suture or cable in the operation.
8. The proximal lateral tibial profile block of claim 1, wherein said first aperture of said anterior connection screw and said second aperture of said posterior connection screw are equal or unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395641.2U CN211325508U (en) | 2019-12-26 | 2019-12-26 | Proximal tibia lateral special-shaped block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395641.2U CN211325508U (en) | 2019-12-26 | 2019-12-26 | Proximal tibia lateral special-shaped block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211325508U true CN211325508U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922395641.2U Active CN211325508U (en) | 2019-12-26 | 2019-12-26 | Proximal tibia lateral special-shaped block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211325508U (en) |
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2019
- 2019-12-26 CN CN201922395641.2U patent/CN211325508U/en active Active
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