CN214445892U - Assembly fixture of distal femur osteotomy positioning connector - Google Patents
Assembly fixture of distal femur osteotomy positioning connector Download PDFInfo
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- CN214445892U CN214445892U CN202120592150.1U CN202120592150U CN214445892U CN 214445892 U CN214445892 U CN 214445892U CN 202120592150 U CN202120592150 U CN 202120592150U CN 214445892 U CN214445892 U CN 214445892U
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Abstract
The utility model relates to the technical field of assembly fixtures, in particular to an assembly fixture of a distal femur osteotomy positioning connector, which comprises an L-shaped assembly seat, a body positioning plate, a pin shaft positioning plate and a positioning shaft; the L-shaped assembling seat comprises a vertical plate and a transverse plate, an assembling groove matched with the positioning connector body is formed in the vertical plate, and a first fixing hole is formed in one end, far away from the vertical plate, of the transverse plate; a first positioning hole is formed in the middle of the body positioning plate, a second fixing hole corresponding to the first fixing hole is formed in the bottom of the body positioning plate, and a fixing bolt is arranged in the second fixing hole; the pin shaft positioning plate is provided with a plane through groove for inserting a plane pin shaft and an angle groove through groove for inserting an angle groove pin shaft, a locking block is arranged in the plane through groove, and a locking bolt I for fixing the locking block is arranged on the pin shaft positioning plate; a positioning corner block matched with the right-angle positioning groove is arranged in the corner groove through groove; the positioning shaft comprises a thin shaft and a thick shaft, the thick shaft can be inserted into and attached to the inner wall of the positioning connector body, the thin shaft is provided with an external thread, and the thin shaft is provided with a fixing nut matched with the external thread.
Description
Technical Field
The utility model belongs to the technical field of the assembly jig technique and specifically relates to an assembly jig of thighbone distal end osteotomy positioning connector.
Background
The distal femur osteotomy positioning connector comprises a positioning connector body 91 and two pin shafts fixed on the positioning connector body 91, wherein one of the two pin shafts is a plane pin shaft 92 with a positioning plane 921, and the other pin shaft is a corner groove pin shaft 93 with a right-angle positioning groove 931.
However, in order to ensure that the two pins of the osteotomy positioning connector cannot rotate to affect the positioning accuracy in the use process, the diameter of each pin is usually slightly larger than the diameter of an assembly hole 911 for assembling the pin on the positioning connector body 91 during the processing, but the bottom end of each pin is usually slightly smaller than the assembly hole 911 (1-2 threads smaller than the assembly hole) for facilitating the assembly, so that the bottom end of each pin is inserted into the assembly hole 911 first and then pressed into the assembly hole 911 with larger pressure during the assembly process, and the direction of each pin is easily deviated without the assistance of an assembly fixture during the pressing process, so that the deviation of the directions of grooves, planes and the like on the small circumference is caused, and the use is affected. In order to solve the problem of assembly precision, the two pin shafts and the positioning connector body can be manufactured in an integrated mode, or grooves and plane structures on the pin shafts are machined after press mounting, however, the length of the two pin shafts reaches 50mm, the whole machining is time-consuming and wastes materials; it is also difficult to ensure the machining accuracy by machining after press fitting. Therefore, there is a need for an assembly jig that can ensure the assembly accuracy of the osteotomy positioning connector.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that thighbone distal end cuts bone positioning connector round pin axle assembly precision is low, the utility model provides an assembly jig of thighbone distal end cuts bone positioning connector, this assembly jig adopts L type assembly seat and body locating plate earlier fixed with the positioning connector body, then through the location of selling the epaxial plane of round pin to lead to groove cooperation locking piece completion plane round pin axle, lead to the groove cooperation location hornblock through the angle groove and accomplish the location of angle groove round pin axle, can realize accurate location, do benefit to the follow-up assembling hole of impressing two round pin axles smoothly according to the orientation, the assembly precision is high.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an assembly jig of thighbone distal end cuts bone positioning connector, cut bone positioning connector and include positioning connector body and two cylindrical round pin axles, two the round pin axle is respectively for having the planar round pin axle of location plane and the angular groove round pin axle that has the right angle constant head tank, be equipped with two pilot holes that are used for assembly pin axle on the positioning connector body, assembly jig includes
The L-shaped assembling seat comprises a vertical plate and a transverse plate which are perpendicular to each other, an assembling groove matched with the positioning connector body in shape is formed in the vertical plate, and at least one fixing hole I is formed in one end, far away from the vertical plate, of the transverse plate;
the middle part of the body positioning plate is provided with a first positioning hole, the bottom of the body positioning plate is provided with a second fixing hole corresponding to the first fixing hole, and a corresponding fixing bolt is arranged in the second fixing hole;
the hinge pin positioning plate is provided with a plane through groove for inserting a plane hinge pin and an angle groove through groove for inserting an angle groove hinge pin, a locking block is arranged in the plane through groove, and the hinge pin positioning plate is provided with at least one locking bolt I for fixing the locking block; a positioning corner block matched with the right-angle positioning groove of the corner groove pin shaft is arranged in the corner groove through groove; and
the positioning shaft comprises a thin shaft and a thick shaft which are concentrically arranged, the thick shaft can be inserted into the positioning connector body and is attached to the inner wall of the positioning connector body, the thin shaft is provided with an external thread and is provided with a fixing nut matched with the external thread;
during assembly, the thin shaft penetrates through the first positioning hole of the body positioning plate and then is fixed by the fixing nut, and the thick shaft is inserted into one end of the positioning connector body, so that the other end of the positioning connector body is positioned in the assembly groove of the L-shaped assembly seat; the fixing bolt penetrates through the second fixing hole and is fixed in the first fixing hole, and the body positioning plate is fixedly connected with the L-shaped assembling seat; after the plane pin shaft penetrates through the plane through groove, part of the plane pin shaft is inserted into an assembly hole, the locking block is placed into the plane through groove, and the locking block is locked and fixed by the locking bolt I, so that the positioning plane of the plane pin shaft is abutted against the inner wall of one side of the plane through groove; after the angle groove pin shaft penetrates through the angle groove through groove, part of the angle groove pin shaft is inserted into the other assembling hole, and the positioning angle block is inserted into the angle groove through groove, so that the positioning angle block is matched with the right-angle positioning groove of the angle groove pin shaft, and the positioning between the two pin shafts and the positioning connector body is completed.
Specifically, the positioning connector body is provided with a slot at a part inserted into the thick shaft;
the assembly fixture further comprises a positioning strip, a groove is formed in the outer side wall of the thick shaft, a second positioning hole is formed in the body positioning plate above the first positioning hole, the positioning strip penetrates through the second positioning hole, part of the positioning strip is located in the groove of the thick shaft, and part of the positioning strip is located in the groove of the positioning connector body.
Specifically, foretell distal femur cuts assembly fixture of bone location connector still includes the shape stopper of preapring for an unfavorable turn of events, preapring for an unfavorable turn of events shape stopper from the one end of keeping away from the body locating plate insert the location connector body to with the laminating of the inner wall of location connector body, prevent that the location connector body from taking place to warp in the assembling process.
Specifically, the center of the deformation-preventing limiting block is provided with a matching hole; a concentric matching shaft is arranged at one end, far away from the thin shaft, of the thick shaft of the positioning shaft; the deformation-preventing limiting block is inserted into the positioning connector body, so that the matching shaft is inserted into the matching hole.
Specifically, the assembling clamp of the distal femur osteotomy positioning connector further comprises a terminating bolt, wherein the terminating bolt comprises a bolt head and a bolt rod which are fixedly connected; the end part of the matching shaft is provided with a threaded hole; the bolt rod passes through the matching hole and is screwed into the threaded hole, so that the bolt head is left outside.
Specifically, the bolt head is provided with a holding block which is convenient to hold on one side far away from the bolt rod.
Specifically, the inner side wall of the plane through groove, which is far away from the body positioning plate, is a plane matched with the positioning plane;
the assembling clamp further comprises a positioning adjusting block, an adjusting through groove is formed above the body positioning plate, and at least one locking bolt II for fixing the positioning adjusting block is arranged at the top of the body positioning plate;
one end of the positioning adjusting block penetrates through the adjusting through groove to be abutted against the pin shaft positioning plate, and the pin shaft positioning plate is ensured to be parallel to a vertical plate of the L-shaped assembling seat.
Specifically, two locking bolts are arranged; two fixing holes are formed in the first fixing hole; the first locking bolt is provided with two locking bolts.
Specifically, the bottom of the pin shaft positioning plate is provided with a limiting clamping block, and after the pin shaft positioning plate is assembled in place, the limiting clamping block is just positioned between two assembling holes of the positioning connector body.
Specifically, two positioning pins are arranged on the body positioning plate and penetrate through the body positioning plate to be inserted into the transverse plate of the L-shaped assembling seat.
The utility model has the advantages that:
(1) the utility model discloses an assembly fixture of distal femur osteotomy positioning connector adopts L type assembly seat and body locating plate to fix the positioning connector body earlier, then accomplishes the location of plane round pin axle through the cooperation of the plane through groove on the round pin locating plate locking piece, accomplishes the location of corner groove round pin axle through the cooperation of corner groove through groove cooperation location corner piece, can realize accurate location, does benefit to the follow-up assembly hole of impressing two round pin axles smoothly according to the orientation, and the assembly precision is high;
(2) the assembly fixture is provided with the positioning strip, one end of the positioning strip is inserted into the second positioning hole of the body positioning plate, the other end of the positioning strip is positioned in the groove of the positioning shaft, and the other end of the positioning strip is positioned in the groove of the positioning connector, so that the groove of the positioning connector body can be ensured to be positioned in the central position, and the positioning is more accurate;
(3) the assembly fixture is also provided with the anti-deformation limiting block, the anti-deformation limiting block is inserted into the positioning connector body from one end far away from the body positioning plate, a good supporting effect is achieved near the assembly hole, and the deformation and even damage of the positioning connector body in the subsequent compression process are avoided;
(4) the assembling clamp of the utility model is also provided with the end-capping bolt, and the bolt rod of the end-capping bolt passes through the anti-deformation limiting block and is fixedly connected with the matching shaft of the positioning shaft, so that the positioning connector body is firmly fixed between the positioning shaft and the end-capping bolt, the shaking or displacement in the compressing process can be effectively avoided, and the assembling precision can be further improved;
(5) the utility model discloses an assembly jig has still set up the positioning adjustment piece among the assembly fixture, treats that the assembly has been sold the axle and uses locking bolt one and the latch segment is fixed the back, still can not ensure the orientation of the plane of location of plane round pin axle, adopts the positioning adjustment piece can be fast with the riser keeping parallelism of round pin axle locating plate and L type assembly seat, makes the one side of body locating plate is kept away from to the plane orientation of plane round pin axle, required assembly direction promptly, further improves the assembly precision.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of an osteotomy positioning connector for use with the present invention;
FIG. 2 is a schematic view of the assembly jig of the present invention positioning the components of the osteotomy positioning connector in place;
FIG. 3 is an exploded view of the assembly jig of the present invention in combination with the osteotomy positioning connector;
fig. 4 is a schematic view of the limiting fixture block on the middle pin positioning plate of the present invention;
in the figure: a riser; 111. assembling a groove; 121. a first fixing hole; 12. a transverse plate; 2. a body positioning plate; 21. a first positioning hole; 23. fixing the bolt; 24. a second positioning hole; 26. locking a bolt II; 27. positioning pins; 3. a pin shaft positioning plate; 31. a planar through slot; 311. a locking block; 312. locking a first bolt; 32. a corner groove through groove; 321. positioning the corner block; 33. a limiting clamping block; 41. a thin shaft; 411. fixing a nut; 42. a coarse shaft; 43. a mating shaft; 431. a threaded hole; 5. a positioning bar; 6. an anti-deformation limiting block; 61. a mating hole; 71. a bolt head; 72. a bolt shank; 73. a holding block; 8. positioning an adjusting block; 91. positioning the connector body; 911. an assembly hole; 912. grooving; 92. a planar pin shaft; 921. positioning a plane; 93. an angle groove pin shaft; 931. a right-angle positioning groove.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
An assembly fixture for a distal femur osteotomy positioning connector, as shown in fig. 1-3, the osteotomy positioning connector comprises a positioning connector body 91 and two cylindrical pins, the two pins are respectively a planar pin 92 with a positioning plane 921 and an angular groove pin 93 with a right-angle positioning groove 931, the positioning connector body 91 is provided with two assembly holes 911 for assembling the pins, the assembly fixture comprises an L-shaped assembly seat, a body positioning plate 2, a pin positioning plate 3 and a positioning shaft; the L-shaped assembling seat comprises a vertical plate 11 and a transverse plate 12 which are perpendicular to each other, an assembling groove 111 matched with the positioning connector body 91 in shape is formed in the vertical plate 11, and at least one fixing hole I121 is formed in one end, far away from the vertical plate 11, of the transverse plate 12; a first positioning hole 21 is formed in the middle of the body positioning plate 2, a second fixing hole corresponding to the first fixing hole 121 is formed in the bottom of the body positioning plate, and a corresponding fixing bolt 23 is arranged in the second fixing hole; the pin shaft positioning plate 3 is provided with a plane through groove 31 for inserting the plane pin shaft 92 and an angle groove through groove 32 for inserting the angle groove pin shaft 93, the plane through groove 31 is internally provided with a locking block 311, and the pin shaft positioning plate 3 is provided with at least one locking bolt I312 for fixing the locking block 311; a positioning corner block 321 matched with the right-angle positioning groove 931 of the corner groove pin shaft 93 is arranged in the corner groove through groove 32; the positioning shaft comprises a thin shaft 41 and a thick shaft 42 which are concentrically arranged, the thick shaft 42 can be inserted into the positioning connector body 91 and is attached to the inner wall of the positioning connector body 91, the thin shaft 41 is provided with an external thread and is provided with a fixing nut 411 matched with the external thread; during assembly, the thin shaft 41 penetrates through the first positioning hole 21 of the body positioning plate 2 and then is fixed by the fixing nut 411, and the thick shaft 42 is inserted into one end of the positioning connector body 91, so that the other end of the positioning connector body 91 is positioned in the assembly groove 111 of the L-shaped assembly seat; the fixing bolt 23 penetrates through the second fixing hole and is fixed in the first fixing hole 121, and the body positioning plate 2 is fixedly connected with the L-shaped assembling seat; after the plane pin shaft 92 passes through the plane through groove 31, part of the plane pin shaft is inserted into an assembling hole 911, the locking block 311 is placed into the plane through groove 31, and the locking block 311 is locked and fixed by a locking bolt I312, so that the positioning plane 921 of the plane pin shaft 92 is abutted against the inner wall of one side of the plane through groove 31; after the angle groove pin shaft 93 passes through the angle groove through groove 32, part of the angle groove pin shaft is inserted into another assembling hole 911, and the positioning angle block 321 is inserted into the angle groove through groove 32, so that the positioning angle block 321 is matched with the right-angle positioning groove 931 of the angle groove pin shaft 93, and the positioning between the two pin shafts and the positioning connector body 91 is completed.
Because the assembly is very firm, the two pin shafts are in interference fit with the assembly holes 911, but for convenience of assembly, the bottom ends of the two pin shafts are usually processed to be slightly smaller than the assembly holes 911 in diameter and generally smaller than 1-2 threads, so that after the bottom ends of the pin shafts are inserted into the assembly holes 911, the pin shafts are pressed into the assembly holes 911, and firm fixed connection is achieved.
After the positioning connector body 91 and the two pin shafts are accurately positioned by using the assembling clamp, the two pin shafts are respectively pressed into the two assembling holes 911 by adopting the pressing device.
Through the cooperation of the plane through groove 31 on the round pin locating plate 3 and the latch segment 311, the location of plane round pin axle 92 is accomplished, through the cooperation of the angle groove through groove 32 and the location angle piece 321, the location of angle groove round pin axle 93 is accomplished, can realize accurate location, does benefit to follow-up according to the orientation with two round pin axles the pilot hole of impressing smoothly, the assembly precision is high.
In one embodiment, as shown in fig. 1 and 3, the positioning connector body 91 has a slot 912 at the portion inserted into the thick shaft 42; the assembly fixture further comprises a positioning strip 5, a groove is formed in the outer side wall of the thick shaft 42, a second positioning hole 24 is formed in the body positioning plate 2 above the first positioning hole 21, and the positioning strip 5 penetrates through the second positioning hole 24, is partially located in the groove of the thick shaft 42, and is partially located in the groove 912 of the positioning connector body 91.
In the assembling process, the thin shaft 41 firstly penetrates through the first positioning hole 21 of the body positioning plate 2, then the positioning strip 5 penetrates through the second positioning hole 24 and is inserted into the groove of the thick shaft 42, then the fixing nut 411 is assembled on the thin shaft 41 to complete the fixing of the positioning shaft, then the thick shaft 42 is inserted into one end of the positioning connector body 91, and then the subsequent steps are carried out. The positioning strip 5 can ensure that the slot 912 of the positioning connector body 91 is positioned at the central position, and the positioning is more accurate.
In a specific embodiment, as shown in fig. 3, the assembly fixture of the distal femur osteotomy positioning connector further comprises a deformation-preventing limiting block 6, wherein the deformation-preventing limiting block 6 is inserted into the positioning connector body 91 from the end far away from the body positioning plate 2 and is attached to the inner wall of the positioning connector body 91 to prevent the positioning connector body 91 from deforming in the assembly process. The assembly position of the deformation-preventing limiting block 6 is located near the assembly hole 911, so that deformation and even damage in the compression process can be effectively avoided.
In a specific embodiment, as shown in fig. 3, a fitting hole 61 is formed at the center of the deformation preventing stopper 6; the thick shaft 42 of the positioning shaft is provided with a concentric matching shaft 43 at one end far away from the thin shaft 41; the deformation preventing stopper 6 is inserted into the positioning connector body 91 so that the fitting shaft 43 is inserted into the fitting hole 61.
In a specific embodiment, as shown in fig. 3, the assembly jig of the distal femoral osteotomy positioning connector further comprises a terminating bolt, wherein the terminating bolt comprises a bolt head 71 and a bolt rod 72 which are fixedly connected; the end of the mating shaft 43 has a threaded hole 431; the bolt shank 72 is screwed into the threaded hole 431 through the fitting hole 61, leaving the bolt head 71 outside. The use of end-capping bolt can firmly fix the positioning connector body between the positioning shaft and the end-capping bolt, can effectively avoid shaking or displacement in the compression process, and is favorable for further improving the assembly precision.
In a specific embodiment, as shown in fig. 3, the bolt head 71 is provided with a holding block 711 for easy holding at a side away from the bolt shaft 72.
In a specific embodiment, as shown in fig. 2 to 4, the inner side wall of the planar through slot 31 away from the body positioning plate 2 is a plane matching with the positioning plane 921; the assembly fixture further comprises a positioning adjusting block 8, an adjusting through groove is formed above the body positioning plate 2, and at least one locking bolt II 26 for fixing the positioning adjusting block 8 is arranged at the top of the body positioning plate; one end of the positioning adjusting block 8 penetrates through the adjusting through groove to abut against the pin shaft positioning plate 3, and the pin shaft positioning plate 3 is ensured to be parallel to the vertical plate 11 of the L-shaped assembling seat.
In the assembling process, after the plane pin shaft 92 is assembled and fixed by the locking bolt I312 and the locking block 311 (as shown in fig. 4, at the moment, the positioning plane 921 of the plane pin shaft 92 is attached to the plane through groove 31 far away from the inner side wall plane of the body positioning plate 2), the positioning adjusting block 8 is firstly inserted into the adjusting through groove, the end part of the positioning adjusting block abuts against the pin shaft positioning plate 3, the angle of the pin shaft positioning plate 3 is adjusted to be parallel to the vertical plate 11 of the L-shaped assembling seat, then the locking bolt II 26 is screwed to fix the positioning adjusting block 8, the plane pin shaft 92 is pressed into the assembling hole 911 by a pressing device (the step can ensure that the positioning plane 921 of the plane pin shaft 92 faces away from one side of the body positioning plate, accurate positioning can be realized), then the angle groove pin shaft 93 passes through the angle groove through groove 32, the bottom part is inserted into another assembling hole 911, the positioning angle block 321 is inserted into the angle groove through groove 32, the positioning angle block 321 is matched with the right-angle positioning groove 931 of the angle groove pin shaft 93 to complete the accurate positioning of the angle groove pin shaft 93, and then the pressing device is started to press the angle groove pin shaft 93 into another assembling hole 911.
In one specific embodiment, as shown in fig. 2-3, two locking bolts 26 are provided; two first fixing holes 121 are formed; two locking bolts 312 are provided.
In a specific embodiment, as shown in fig. 4, the bottom of the pin positioning plate 3 is provided with a limiting latch 33, and after the pin positioning plate 3 is assembled in place, the limiting latch 33 is located just between the two assembling holes 911 of the positioning connector body 91. The limiting clamping block 33 is tightly attached to the positioning connector body, and can play a certain supporting role.
In a specific embodiment, as shown in fig. 2-3, two positioning pins 27 are provided on the body positioning plate 2, and the positioning pins 27 are inserted into the horizontal plate 12 of the L-shaped mounting seat through the body positioning plate 2.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a distal femur cuts assembly jig of bone location connector, cut bone location connector includes location connector body (91) and two cylindrical round pin axles, two the round pin axle is respectively for plane round pin axle (92) that have locating plane (921) and angle groove round pin axle (93) that have right angle constant head tank (931), be equipped with two pilot holes (911) that are used for assembly pin axle on location connector body (91), its characterized in that: the assembling jig comprises
The L-shaped assembling seat comprises a vertical plate (11) and a transverse plate (12) which are perpendicular to each other, an assembling groove (111) matched with the positioning connector body (91) in shape is formed in the vertical plate (11), and at least one fixing hole I (121) is formed in one end, far away from the vertical plate (11), of the transverse plate (12);
the positioning structure comprises a body positioning plate (2), wherein a first positioning hole (21) is formed in the middle of the body positioning plate (2), a second fixing hole corresponding to the first fixing hole (121) is formed in the bottom of the body positioning plate, and a corresponding fixing bolt (23) is arranged in the second fixing hole;
the hinge pin positioning plate (3) is provided with a plane through groove (31) for inserting a plane hinge pin (92) and an angle groove through groove (32) for inserting an angle groove hinge pin (93), a locking block (311) is arranged in the plane through groove (31), and the hinge pin positioning plate (3) is provided with at least one locking bolt I (312) for fixing the locking block (311); a positioning corner block (321) matched with a right-angle positioning groove (931) of the corner groove pin shaft (93) is arranged in the corner groove through groove (32); and
the positioning shaft comprises a thin shaft (41) and a thick shaft (42) which are concentrically arranged, the thick shaft (42) can be inserted into the positioning connector body (91) and attached to the inner wall of the positioning connector body (91), the thin shaft (41) is provided with an external thread and is provided with a fixing nut (411) matched with the external thread;
during assembly, the thin shaft (41) penetrates through a first positioning hole (21) of the body positioning plate (2) and then is fixed by a fixing nut (411), the thick shaft (42) is inserted into one end of the positioning connector body (91), and the other end of the positioning connector body (91) is positioned in an assembly groove (111) of the L-shaped assembly seat; the fixing bolt (23) penetrates through the second fixing hole to be fixed in the first fixing hole (121) to fixedly connect the body positioning plate (2) with the L-shaped assembling seat; after the plane pin shaft (92) penetrates through the plane through groove (31), part of the plane pin shaft is inserted into an assembling hole (911), the locking block (311) is placed into the plane through groove (31), and the locking block (311) is locked and fixed by the locking bolt I (312), so that the positioning plane (921) of the plane pin shaft (92) is abutted against the inner wall of one side of the plane through groove (31); after the angle groove pin shaft (93) penetrates through the angle groove through groove (32), the part of the angle groove pin shaft is inserted into another assembling hole (911), the positioning angle block (321) is inserted into the angle groove through groove (32), so that the positioning angle block (321) is matched with a right-angle positioning groove (931) of the angle groove pin shaft (93), and positioning between the two pin shafts and the positioning connector body (91) is completed.
2. The assembly fixture of a femoral distal resection positioning connector of claim 1, wherein: the positioning connector body (91) is provided with a slot (912) at the part inserted into the thick shaft (42);
the assembly fixture further comprises a positioning strip (5), a groove is formed in the outer side wall of the thick shaft (42), a second positioning hole (24) is formed in the body positioning plate (2) above the first positioning hole (21), the positioning strip (5) penetrates through the second positioning hole (24), part of the positioning strip is located in the groove of the thick shaft (42), and part of the positioning strip is located in the groove (912) of the positioning connector body (91).
3. The assembly fixture of a femoral distal resection positioning connector of claim 1, wherein: still including shape stopper (6) of preapring for an unfavorable turn of events, the one end of keeping away from body locating plate (2) of preapring for an unfavorable turn of events shape stopper (6) inserts location connector body (91) to laminate with the inner wall of location connector body (91), prevent that location connector body (91) from taking place to warp in the assembling process.
4. The assembly fixture of a femoral distal resection positioning connector of claim 3, wherein: the center of the deformation-preventing limiting block (6) is provided with a matching hole (61); a concentric matching shaft (43) is arranged at one end of the thick shaft (42) of the positioning shaft, which is far away from the thin shaft (41); the deformation-preventing limiting block (6) is inserted into the positioning connector body (91), so that the matching shaft (43) is inserted into the matching hole (61).
5. The assembly fixture of a femoral distal resection positioning connector of claim 4, wherein: the end-capped bolt comprises a fixedly connected bolt head (71) and a bolt rod (72); the end of the matching shaft (43) is provided with a threaded hole (431); the bolt rod (72) passes through the matching hole (61) and is screwed into the threaded hole (431), so that the bolt head (71) is left outside.
6. The assembly fixture of a femoral distal resection positioning connector of claim 5, wherein: the bolt head (71) is provided with a holding block (73) which is convenient to hold on one side far away from the bolt rod (72).
7. The assembly fixture of a femoral distal resection positioning connector of claim 1, wherein: the inner side wall of the plane through groove (31) far away from the body positioning plate (2) is a plane matched with the positioning plane (921);
the assembling clamp further comprises a positioning adjusting block (8), an adjusting through groove is formed above the body positioning plate (2), and at least one locking bolt II (26) for fixing the positioning adjusting block (8) is arranged at the top of the body positioning plate;
one end of the positioning adjusting block (8) penetrates through the adjusting through groove to abut against the pin shaft positioning plate (3) mutually, and the pin shaft positioning plate (3) is ensured to be parallel to a vertical plate (11) of the L-shaped assembling seat.
8. The assembly fixture of a femoral distal resection positioning connector of claim 7, wherein: two locking bolts II (26) are arranged; two fixing holes I (121) are arranged; the number of the first locking bolts (312) is two.
9. The assembly fixture of a femoral distal resection positioning connector of claim 1, wherein: the bottom of round pin axle locating plate (3) is equipped with spacing fixture block (33), round pin axle locating plate (3) assemble the back in place, spacing fixture block (33) just are located between two pilot holes (911) of location connector body (91).
10. The assembly fixture of a femoral distal resection positioning connector of claim 1, wherein: two positioning pins (27) are arranged on the body positioning plate (2), and the positioning pins (27) penetrate through the body positioning plate (2) and are inserted into the transverse plate (12) of the L-shaped assembling seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592150.1U CN214445892U (en) | 2021-03-23 | 2021-03-23 | Assembly fixture of distal femur osteotomy positioning connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592150.1U CN214445892U (en) | 2021-03-23 | 2021-03-23 | Assembly fixture of distal femur osteotomy positioning connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214445892U true CN214445892U (en) | 2021-10-22 |
Family
ID=78159653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120592150.1U Active CN214445892U (en) | 2021-03-23 | 2021-03-23 | Assembly fixture of distal femur osteotomy positioning connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214445892U (en) |
-
2021
- 2021-03-23 CN CN202120592150.1U patent/CN214445892U/en active Active
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